diff options
916 files changed, 11569 insertions, 6515 deletions
diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt index d3d0a4f..079b42a 100644 --- a/Documentation/devicetree/bindings/dma/ti-edma.txt +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt @@ -22,8 +22,7 @@ Required properties: Optional properties: - ti,hwmods: Name of the hwmods associated to the eDMA CC - ti,edma-memcpy-channels: List of channels allocated to be used for memcpy, iow - these channels will be SW triggered channels. The list must - contain 16 bits numbers, see example. + these channels will be SW triggered channels. See example. - ti,edma-reserved-slot-ranges: PaRAM slot ranges which should not be used by the driver, they are allocated to be used by for example the DSP. See example. @@ -56,10 +55,9 @@ edma: edma@49000000 { ti,tptcs = <&edma_tptc0 7>, <&edma_tptc1 7>, <&edma_tptc2 0>; /* Channel 20 and 21 is allocated for memcpy */ - ti,edma-memcpy-channels = /bits/ 16 <20 21>; - /* The following PaRAM slots are reserved: 35-45 and 100-110 */ - ti,edma-reserved-slot-ranges = /bits/ 16 <35 10>, - /bits/ 16 <100 10>; + ti,edma-memcpy-channels = <20 21>; + /* The following PaRAM slots are reserved: 35-44 and 100-109 */ + ti,edma-reserved-slot-ranges = <35 10>, <100 10>; }; edma_tptc0: tptc@49800000 { diff --git a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt index f2455c5..120bc49 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-mpc8xxx.txt @@ -11,6 +11,10 @@ Required properties: 0 = active high 1 = active low +Optional properties: +- little-endian : GPIO registers are used as little endian. If not + present registers are used as big endian by default. + Example: gpio0: gpio@1100 { diff --git a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt index b9c32f6..4357e49 100644 --- a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt +++ b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt @@ -12,7 +12,7 @@ Each key is represented as a sub-node of "allwinner,sun4i-a10-lradc-keys": Required subnode-properties: - label: Descriptive name of the key. - linux,code: Keycode to emit. - - channel: Channel this key is attached to, mut be 0 or 1. + - channel: Channel this key is attached to, must be 0 or 1. - voltage: Voltage in µV at lradc input when this key is pressed. Example: diff --git a/Documentation/devicetree/bindings/mtd/partition.txt b/Documentation/devicetree/bindings/mtd/partition.txt index f1e2a02..1c63e40 100644 --- a/Documentation/devicetree/bindings/mtd/partition.txt +++ b/Documentation/devicetree/bindings/mtd/partition.txt @@ -6,7 +6,9 @@ used for what purposes, but which don't use an on-flash partition table such as RedBoot. The partition table should be a subnode of the mtd node and should be named -'partitions'. Partitions are defined in subnodes of the partitions node. +'partitions'. This node should have the following property: +- compatible : (required) must be "fixed-partitions" +Partitions are then defined in subnodes of the partitions node. For backwards compatibility partitions as direct subnodes of the mtd device are supported. This use is discouraged. @@ -36,6 +38,7 @@ Examples: flash@0 { partitions { + compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; @@ -53,6 +56,7 @@ flash@0 { flash@1 { partitions { + compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <2>; @@ -66,6 +70,7 @@ flash@1 { flash@2 { partitions { + compatible = "fixed-partitions"; #address-cells = <2>; #size-cells = <2>; diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt index 9853f8e..28a4781 100644 --- a/Documentation/devicetree/bindings/net/cpsw.txt +++ b/Documentation/devicetree/bindings/net/cpsw.txt @@ -40,18 +40,18 @@ Optional properties: Slave Properties: Required properties: -- phy_id : Specifies slave phy id - phy-mode : See ethernet.txt file in the same directory Optional properties: - dual_emac_res_vlan : Specifies VID to be used to segregate the ports - mac-address : See ethernet.txt file in the same directory +- phy_id : Specifies slave phy id - phy-handle : See ethernet.txt file in the same directory Slave sub-nodes: - fixed-link : See fixed-link.txt file in the same directory - Either the properties phy_id and phy-mode, - or the sub-node fixed-link can be specified + Either the property phy_id, or the sub-node + fixed-link can be specified Note: "ti,hwmods" field is used to fetch the base address and irq resources from TI, omap hwmod data base during device registration. diff --git a/Documentation/networking/e100.txt b/Documentation/networking/e100.txt index f862cf3..42ddbd4 100644 --- a/Documentation/networking/e100.txt +++ b/Documentation/networking/e100.txt @@ -181,17 +181,3 @@ For general information, go to the Intel support website at: If an issue is identified with the released source code on the supported kernel with a supported adapter, email the specific information related to the issue to e1000-devel@lists.sourceforge.net. - - -License -======= - -This software program is released under the terms of a license agreement -between you ('Licensee') and Intel. Do not use or load this software or any -associated materials (collectively, the 'Software') until you have carefully -read the full terms and conditions of the file COPYING located in this software -package. By loading or using the Software, you agree to the terms of this -Agreement. If you do not agree with the terms of this Agreement, do not install -or use the Software. - -* Other names and brands may be claimed as the property of others. diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt index 0784bc3..7328cf8 100644 --- a/Documentation/power/runtime_pm.txt +++ b/Documentation/power/runtime_pm.txt @@ -371,6 +371,12 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h: - increment the device's usage counter, run pm_runtime_resume(dev) and return its result + int pm_runtime_get_if_in_use(struct device *dev); + - return -EINVAL if 'power.disable_depth' is nonzero; otherwise, if the + runtime PM status is RPM_ACTIVE and the runtime PM usage counter is + nonzero, increment the counter and return 1; otherwise return 0 without + changing the counter + void pm_runtime_put_noidle(struct device *dev); - decrement the device's usage counter diff --git a/MAINTAINERS b/MAINTAINERS index 69c8a9c..ce97e97 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2975,6 +2975,7 @@ F: kernel/cpuset.c CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG) M: Johannes Weiner <hannes@cmpxchg.org> M: Michal Hocko <mhocko@kernel.org> +M: Vladimir Davydov <vdavydov@virtuozzo.com> L: cgroups@vger.kernel.org L: linux-mm@kvack.org S: Maintained @@ -5577,7 +5578,7 @@ R: Jesse Brandeburg <jesse.brandeburg@intel.com> R: Shannon Nelson <shannon.nelson@intel.com> R: Carolyn Wyborny <carolyn.wyborny@intel.com> R: Don Skidmore <donald.c.skidmore@intel.com> -R: Matthew Vick <matthew.vick@intel.com> +R: Bruce Allan <bruce.w.allan@intel.com> R: John Ronciak <john.ronciak@intel.com> R: Mitch Williams <mitch.a.williams@intel.com> L: intel-wired-lan@lists.osuosl.org @@ -8286,7 +8287,7 @@ F: include/linux/delayacct.h F: kernel/delayacct.c PERFORMANCE EVENTS SUBSYSTEM -M: Peter Zijlstra <a.p.zijlstra@chello.nl> +M: Peter Zijlstra <peterz@infradead.org> M: Ingo Molnar <mingo@redhat.com> M: Arnaldo Carvalho de Melo <acme@kernel.org> L: linux-kernel@vger.kernel.org @@ -8379,6 +8380,14 @@ L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) S: Maintained F: drivers/pinctrl/samsung/ +PIN CONTROLLER - SINGLE +M: Tony Lindgren <tony@atomide.com> +M: Haojian Zhuang <haojian.zhuang@linaro.org> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +L: linux-omap@vger.kernel.org +S: Maintained +F: drivers/pinctrl/pinctrl-single.c + PIN CONTROLLER - ST SPEAR M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com @@ -8438,6 +8447,17 @@ F: fs/timerfd.c F: include/linux/timer* F: kernel/time/*timer* +POWER MANAGEMENT CORE +M: "Rafael J. Wysocki" <rjw@rjwysocki.net> +L: linux-pm@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm +S: Supported +F: drivers/base/power/ +F: include/linux/pm.h +F: include/linux/pm_* +F: include/linux/powercap.h +F: drivers/powercap/ + POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS M: Sebastian Reichel <sre@kernel.org> M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> @@ -8945,6 +8965,13 @@ F: drivers/rpmsg/ F: Documentation/rpmsg.txt F: include/linux/rpmsg.h +RENESAS ETHERNET DRIVERS +R: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> +L: netdev@vger.kernel.org +L: linux-sh@vger.kernel.org +F: drivers/net/ethernet/renesas/ +F: include/linux/sh_eth.h + RESET CONTROLLER FRAMEWORK M: Philipp Zabel <p.zabel@pengutronix.de> S: Maintained @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 4 SUBLEVEL = 0 -EXTRAVERSION = -rc4 +EXTRAVERSION = NAME = Blurry Fish Butt # *DOCUMENTATION* diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 2c2ac3f..6312f60 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -445,6 +445,7 @@ config LINUX_LINK_BASE However some customers have peripherals mapped at this addr, so Linux needs to be scooted a bit. If you don't know what the above means, leave this setting alone. + This needs to match memory start address specified in Device Tree config HIGHMEM bool "High Memory Support" diff --git a/arch/arc/Makefile b/arch/arc/Makefile index cf0cf34..aeb1902 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -81,7 +81,7 @@ endif LIBGCC := $(shell $(CC) $(cflags-y) --print-libgcc-file-name) # Modules with short calls might break for calls into builtin-kernel -KBUILD_CFLAGS_MODULE += -mlong-calls +KBUILD_CFLAGS_MODULE += -mlong-calls -mno-millicode # Finally dump eveything into kernel build system KBUILD_CFLAGS += $(cflags-y) diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi index f3db321..44a578c 100644 --- a/arch/arc/boot/dts/axs10x_mb.dtsi +++ b/arch/arc/boot/dts/axs10x_mb.dtsi @@ -46,6 +46,7 @@ snps,pbl = < 32 >; clocks = <&apbclk>; clock-names = "stmmaceth"; + max-speed = <100>; }; ehci@0x40000 { diff --git a/arch/arc/boot/dts/nsim_hs.dts b/arch/arc/boot/dts/nsim_hs.dts index b0eb0e7..fc81879 100644 --- a/arch/arc/boot/dts/nsim_hs.dts +++ b/arch/arc/boot/dts/nsim_hs.dts @@ -17,7 +17,8 @@ memory { device_type = "memory"; - reg = <0x0 0x80000000 0x0 0x40000000 /* 1 GB low mem */ + /* CONFIG_LINUX_LINK_BASE needs to match low mem start */ + reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MB low mem */ 0x1 0x00000000 0x0 0x40000000>; /* 1 GB highmem */ }; diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h index abf06e8..210ef3e 100644 --- a/arch/arc/include/asm/cache.h +++ b/arch/arc/include/asm/cache.h @@ -62,9 +62,7 @@ extern int ioc_exists; #define ARC_REG_IC_IVIC 0x10 #define ARC_REG_IC_CTRL 0x11 #define ARC_REG_IC_IVIL 0x19 -#if defined(CONFIG_ARC_MMU_V3) || defined(CONFIG_ARC_MMU_V4) #define ARC_REG_IC_PTAG 0x1E -#endif #define ARC_REG_IC_PTAG_HI 0x1F /* Bit val in IC_CTRL */ diff --git a/arch/arc/include/asm/mach_desc.h b/arch/arc/include/asm/mach_desc.h index 6ff657a..c28e6c3 100644 --- a/arch/arc/include/asm/mach_desc.h +++ b/arch/arc/include/asm/mach_desc.h @@ -23,7 +23,7 @@ * @dt_compat: Array of device tree 'compatible' strings * (XXX: although only 1st entry is looked at) * @init_early: Very early callback [called from setup_arch()] - * @init_cpu_smp: for each CPU as it is coming up (SMP as well as UP) + * @init_per_cpu: for each CPU as it is coming up (SMP as well as UP) * [(M):init_IRQ(), (o):start_kernel_secondary()] * @init_machine: arch initcall level callback (e.g. populate static * platform devices or parse Devicetree) @@ -35,7 +35,7 @@ struct machine_desc { const char **dt_compat; void (*init_early)(void); #ifdef CONFIG_SMP - void (*init_cpu_smp)(unsigned int); + void (*init_per_cpu)(unsigned int); #endif void (*init_machine)(void); void (*init_late)(void); diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h index 133c867..9913804 100644 --- a/arch/arc/include/asm/smp.h +++ b/arch/arc/include/asm/smp.h @@ -48,7 +48,7 @@ extern int smp_ipi_irq_setup(int cpu, int irq); * @init_early_smp: A SMP specific h/w block can init itself * Could be common across platforms so not covered by * mach_desc->init_early() - * @init_irq_cpu: Called for each core so SMP h/w block driver can do + * @init_per_cpu: Called for each core so SMP h/w block driver can do * any needed setup per cpu (e.g. IPI request) * @cpu_kick: For Master to kickstart a cpu (optionally at a PC) * @ipi_send: To send IPI to a @cpu @@ -57,7 +57,7 @@ extern int smp_ipi_irq_setup(int cpu, int irq); struct plat_smp_ops { const char *info; void (*init_early_smp)(void); - void (*init_irq_cpu)(int cpu); + void (*init_per_cpu)(int cpu); void (*cpu_kick)(int cpu, unsigned long pc); void (*ipi_send)(int cpu); void (*ipi_clear)(int irq); diff --git a/arch/arc/include/asm/unwind.h b/arch/arc/include/asm/unwind.h index 7ca628b..c11a25b 100644 --- a/arch/arc/include/asm/unwind.h +++ b/arch/arc/include/asm/unwind.h @@ -112,7 +112,6 @@ struct unwind_frame_info { extern int arc_unwind(struct unwind_frame_info *frame); extern void arc_unwind_init(void); -extern void arc_unwind_setup(void); extern void *unwind_add_table(struct module *module, const void *table_start, unsigned long table_size); extern void unwind_remove_table(void *handle, int init_only); @@ -152,9 +151,6 @@ static inline void arc_unwind_init(void) { } -static inline void arc_unwind_setup(void) -{ -} #define unwind_add_table(a, b, c) #define unwind_remove_table(a, b) diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c index 26c1568..0394f9f 100644 --- a/arch/arc/kernel/intc-arcv2.c +++ b/arch/arc/kernel/intc-arcv2.c @@ -106,10 +106,21 @@ static struct irq_chip arcv2_irq_chip = { static int arcv2_irq_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { - if (irq == TIMER0_IRQ || irq == IPI_IRQ) + /* + * core intc IRQs [16, 23]: + * Statically assigned always private-per-core (Timers, WDT, IPI, PCT) + */ + if (hw < 24) { + /* + * A subsequent request_percpu_irq() fails if percpu_devid is + * not set. That in turns sets NOAUTOEN, meaning each core needs + * to call enable_percpu_irq() + */ + irq_set_percpu_devid(irq); irq_set_chip_and_handler(irq, &arcv2_irq_chip, handle_percpu_irq); - else + } else { irq_set_chip_and_handler(irq, &arcv2_irq_chip, handle_level_irq); + } return 0; } diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c index 2ee2265..ba17f85 100644 --- a/arch/arc/kernel/irq.c +++ b/arch/arc/kernel/irq.c @@ -29,11 +29,11 @@ void __init init_IRQ(void) #ifdef CONFIG_SMP /* a SMP H/w block could do IPI IRQ request here */ - if (plat_smp_ops.init_irq_cpu) - plat_smp_ops.init_irq_cpu(smp_processor_id()); + if (plat_smp_ops.init_per_cpu) + plat_smp_ops.init_per_cpu(smp_processor_id()); - if (machine_desc->init_cpu_smp) - machine_desc->init_cpu_smp(smp_processor_id()); + if (machine_desc->init_per_cpu) + machine_desc->init_per_cpu(smp_processor_id()); #endif } @@ -51,6 +51,18 @@ void arch_do_IRQ(unsigned int irq, struct pt_regs *regs) set_irq_regs(old_regs); } +/* + * API called for requesting percpu interrupts - called by each CPU + * - For boot CPU, actually request the IRQ with genirq core + enables + * - For subsequent callers only enable called locally + * + * Relies on being called by boot cpu first (i.e. request called ahead) of + * any enable as expected by genirq. Hence Suitable only for TIMER, IPI + * which are guaranteed to be setup on boot core first. + * Late probed peripherals such as perf can't use this as there no guarantee + * of being called on boot CPU first. + */ + void arc_request_percpu_irq(int irq, int cpu, irqreturn_t (*isr)(int irq, void *dev), const char *irq_nm, @@ -60,14 +72,17 @@ void arc_request_percpu_irq(int irq, int cpu, if (!cpu) { int rc; +#ifdef CONFIG_ISA_ARCOMPACT /* - * These 2 calls are essential to making percpu IRQ APIs work - * Ideally these details could be hidden in irq chip map function - * but the issue is IPIs IRQs being static (non-DT) and platform - * specific, so we can't identify them there. + * A subsequent request_percpu_irq() fails if percpu_devid is + * not set. That in turns sets NOAUTOEN, meaning each core needs + * to call enable_percpu_irq() + * + * For ARCv2, this is done in irq map function since we know + * which irqs are strictly per cpu */ irq_set_percpu_devid(irq); - irq_modify_status(irq, IRQ_NOAUTOEN, 0); /* @irq, @clr, @set */ +#endif rc = request_percpu_irq(irq, isr, irq_nm, percpu_dev); if (rc) diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index 74a9b07..bd237ac 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -132,7 +132,7 @@ static void mcip_probe_n_setup(void) struct plat_smp_ops plat_smp_ops = { .info = smp_cpuinfo_buf, .init_early_smp = mcip_probe_n_setup, - .init_irq_cpu = mcip_setup_per_cpu, + .init_per_cpu = mcip_setup_per_cpu, .ipi_send = mcip_ipi_send, .ipi_clear = mcip_ipi_clear, }; diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c index 0c08bb1..8b134cf 100644 --- a/arch/arc/kernel/perf_event.c +++ b/arch/arc/kernel/perf_event.c @@ -428,12 +428,11 @@ static irqreturn_t arc_pmu_intr(int irq, void *dev) #endif /* CONFIG_ISA_ARCV2 */ -void arc_cpu_pmu_irq_init(void) +static void arc_cpu_pmu_irq_init(void *data) { - struct arc_pmu_cpu *pmu_cpu = this_cpu_ptr(&arc_pmu_cpu); + int irq = *(int *)data; - arc_request_percpu_irq(arc_pmu->irq, smp_processor_id(), arc_pmu_intr, - "ARC perf counters", pmu_cpu); + enable_percpu_irq(irq, IRQ_TYPE_NONE); /* Clear all pending interrupt flags */ write_aux_reg(ARC_REG_PCT_INT_ACT, 0xffffffff); @@ -515,7 +514,6 @@ static int arc_pmu_device_probe(struct platform_device *pdev) if (has_interrupts) { int irq = platform_get_irq(pdev, 0); - unsigned long flags; if (irq < 0) { pr_err("Cannot get IRQ number for the platform\n"); @@ -524,24 +522,12 @@ static int arc_pmu_device_probe(struct platform_device *pdev) arc_pmu->irq = irq; - /* - * arc_cpu_pmu_irq_init() needs to be called on all cores for - * their respective local PMU. - * However we use opencoded on_each_cpu() to ensure it is called - * on core0 first, so that arc_request_percpu_irq() sets up - * AUTOEN etc. Otherwise enable_percpu_irq() fails to enable - * perf IRQ on non master cores. - * see arc_request_percpu_irq() - */ - preempt_disable(); - local_irq_save(flags); - arc_cpu_pmu_irq_init(); - local_irq_restore(flags); - smp_call_function((smp_call_func_t)arc_cpu_pmu_irq_init, 0, 1); - preempt_enable(); - - /* Clean all pending interrupt flags */ - write_aux_reg(ARC_REG_PCT_INT_ACT, 0xffffffff); + /* intc map function ensures irq_set_percpu_devid() called */ + request_percpu_irq(irq, arc_pmu_intr, "ARC perf counters", + this_cpu_ptr(&arc_pmu_cpu)); + + on_each_cpu(arc_cpu_pmu_irq_init, &irq, 1); + } else arc_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index c33e77c..e1b8744 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -429,7 +429,6 @@ void __init setup_arch(char **cmdline_p) #endif arc_unwind_init(); - arc_unwind_setup(); } static int __init customize_machine(void) diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index 5805878..ef6e9e1 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -132,11 +132,11 @@ void start_kernel_secondary(void) pr_info("## CPU%u LIVE ##: Executing Code...\n", cpu); /* Some SMP H/w setup - for each cpu */ - if (plat_smp_ops.init_irq_cpu) - plat_smp_ops.init_irq_cpu(cpu); + if (plat_smp_ops.init_per_cpu) + plat_smp_ops.init_per_cpu(cpu); - if (machine_desc->init_cpu_smp) - machine_desc->init_cpu_smp(cpu); + if (machine_desc->init_per_cpu) + machine_desc->init_per_cpu(cpu); arc_local_timer_setup(); diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c index 7352475..5eb7076 100644 --- a/arch/arc/kernel/unwind.c +++ b/arch/arc/kernel/unwind.c @@ -170,6 +170,23 @@ static struct unwind_table *find_table(unsigned long pc) static unsigned long read_pointer(const u8 **pLoc, const void *end, signed ptrType); +static void init_unwind_hdr(struct unwind_table *table, + void *(*alloc) (unsigned long)); + +/* + * wrappers for header alloc (vs. calling one vs. other at call site) + * to elide section mismatches warnings + */ +static void *__init unw_hdr_alloc_early(unsigned long sz) +{ + return __alloc_bootmem_nopanic(sz, sizeof(unsigned int), + MAX_DMA_ADDRESS); +} + +static void *unw_hdr_alloc(unsigned long sz) +{ + return kmalloc(sz, GFP_KERNEL); +} static void init_unwind_table(struct unwind_table *table, const char *name, const void *core_start, unsigned long core_size, @@ -209,6 +226,8 @@ void __init arc_unwind_init(void) __start_unwind, __end_unwind - __start_unwind, NULL, 0); /*__start_unwind_hdr, __end_unwind_hdr - __start_unwind_hdr);*/ + + init_unwind_hdr(&root_table, unw_hdr_alloc_early); } static const u32 bad_cie, not_fde; @@ -241,8 +260,8 @@ static void swap_eh_frame_hdr_table_entries(void *p1, void *p2, int size) e2->fde = v; } -static void __init setup_unwind_table(struct unwind_table *table, - void *(*alloc) (unsigned long)) +static void init_unwind_hdr(struct unwind_table *table, + void *(*alloc) (unsigned long)) { const u8 *ptr; unsigned long tableSize = table->size, hdrSize; @@ -277,10 +296,10 @@ static void __init setup_unwind_table(struct unwind_table *table, if (cie == ¬_fde) continue; if (cie == NULL || cie == &bad_cie) - return; + goto ret_err; ptrType = fde_pointer_type(cie); if (ptrType < 0) - return; + goto ret_err; ptr = (const u8 *)(fde + 2); if (!read_pointer(&ptr, (const u8 *)(fde + 1) + *fde, @@ -296,13 +315,15 @@ static void __init setup_unwind_table(struct unwind_table *table, } if (tableSize || !n) - return; + goto ret_err; hdrSize = 4 + sizeof(unsigned long) + sizeof(unsigned int) + 2 * n * sizeof(unsigned long); + header = alloc(hdrSize); if (!header) - return; + goto ret_err; + header->version = 1; header->eh_frame_ptr_enc = DW_EH_PE_abs | DW_EH_PE_native; header->fde_count_enc = DW_EH_PE_abs | DW_EH_PE_data4; @@ -340,18 +361,10 @@ static void __init setup_unwind_table(struct unwind_table *table, table->hdrsz = hdrSize; smp_wmb(); table->header = (const void *)header; -} - -static void *__init balloc(unsigned long sz) -{ - return __alloc_bootmem_nopanic(sz, - sizeof(unsigned int), - __pa(MAX_DMA_ADDRESS)); -} + return; -void __init arc_unwind_setup(void) -{ - setup_unwind_table(&root_table, balloc); +ret_err: + panic("Attention !!! Dwarf FDE parsing errors\n");; } #ifdef CONFIG_MODULES @@ -377,6 +390,8 @@ void *unwind_add_table(struct module *module, const void *table_start, table_start, table_size, NULL, 0); + init_unwind_hdr(table, unw_hdr_alloc); + #ifdef UNWIND_DEBUG unw_debug("Table added for [%s] %lx %lx\n", module->name, table->core.pc, table->core.range); @@ -439,6 +454,7 @@ void unwind_remove_table(void *handle, int init_only) info.init_only = init_only; unlink_table(&info); /* XXX: SMP */ + kfree(table->header); kfree(table); } @@ -588,9 +604,6 @@ static signed fde_pointer_type(const u32 *cie) const u8 *ptr = (const u8 *)(cie + 2); unsigned version = *ptr; - if (version != 1) - return -1; /* unsupported */ - if (*++ptr) { const char *aug; const u8 *end = (const u8 *)(cie + 1) + *cie; @@ -1002,9 +1015,7 @@ int arc_unwind(struct unwind_frame_info *frame) ptr = (const u8 *)(cie + 2); end = (const u8 *)(cie + 1) + *cie; frame->call_frame = 1; - if ((state.version = *ptr) != 1) - cie = NULL; /* unsupported version */ - else if (*++ptr) { + if (*++ptr) { /* check if augmentation size is first (thus present) */ if (*ptr == 'z') { while (++ptr < end && *ptr) { diff --git a/arch/arc/mm/highmem.c b/arch/arc/mm/highmem.c index 065ee6b..92dd92c 100644 --- a/arch/arc/mm/highmem.c +++ b/arch/arc/mm/highmem.c @@ -111,7 +111,7 @@ void __kunmap_atomic(void *kv) } EXPORT_SYMBOL(__kunmap_atomic); -noinline pte_t *alloc_kmap_pgtable(unsigned long kvaddr) +static noinline pte_t * __init alloc_kmap_pgtable(unsigned long kvaddr) { pgd_t *pgd_k; pud_t *pud_k; @@ -127,7 +127,7 @@ noinline pte_t *alloc_kmap_pgtable(unsigned long kvaddr) return pte_k; } -void kmap_init(void) +void __init kmap_init(void) { /* Due to recursive include hell, we can't do this in processor.h */ BUILD_BUG_ON(PAGE_OFFSET < (VMALLOC_END + FIXMAP_SIZE + PKMAP_SIZE)); diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c index a9305b5..7d2c4fb 100644 --- a/arch/arc/mm/init.c +++ b/arch/arc/mm/init.c @@ -51,7 +51,9 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) int in_use = 0; if (!low_mem_sz) { - BUG_ON(base != low_mem_start); + if (base != low_mem_start) + panic("CONFIG_LINUX_LINK_BASE != DT memory { }"); + low_mem_sz = size; in_use = 1; } else { diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index d83ff9c..de8791a 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -74,7 +74,7 @@ reg = <0x48240200 0x100>; interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&gic>; - clocks = <&dpll_mpu_m2_ck>; + clocks = <&mpu_periphclk>; }; local_timer: timer@48240600 { @@ -82,7 +82,7 @@ reg = <0x48240600 0x100>; interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&gic>; - clocks = <&dpll_mpu_m2_ck>; + clocks = <&mpu_periphclk>; }; l2-cache-controller@48242000 { diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi index cc88728..a38af2b 100644 --- a/arch/arm/boot/dts/am43xx-clocks.dtsi +++ b/arch/arm/boot/dts/am43xx-clocks.dtsi @@ -259,6 +259,14 @@ ti,invert-autoidle-bit; }; + mpu_periphclk: mpu_periphclk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&dpll_mpu_m2_ck>; + clock-mult = <1>; + clock-div = <2>; + }; + dpll_ddr_ck: dpll_ddr_ck { #clock-cells = <0>; compatible = "ti,am3-dpll-clock"; diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index ad6de73..e74df32 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -184,6 +184,7 @@ regulator-name = "VDD_SDHC_1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; }; }; }; diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi index 8ea177f..fb1da99 100644 --- a/arch/arm/boot/dts/berlin2q.dtsi +++ b/arch/arm/boot/dts/berlin2q.dtsi @@ -118,7 +118,8 @@ sdhci0: sdhci@ab0000 { compatible = "mrvl,pxav3-mmc"; reg = <0xab0000 0x200>; - clocks = <&chip_clk CLKID_SDIO1XIN>; + clocks = <&chip_clk CLKID_SDIO1XIN>, <&chip_clk CLKID_SDIO>; + clock-names = "io", "core"; interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; }; @@ -126,7 +127,8 @@ sdhci1: sdhci@ab0800 { compatible = "mrvl,pxav3-mmc"; reg = <0xab0800 0x200>; - clocks = <&chip_clk CLKID_SDIO1XIN>; + clocks = <&chip_clk CLKID_SDIO1XIN>, <&chip_clk CLKID_SDIO>; + clock-names = "io", "core"; interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>; status = "disabled"; }; @@ -135,7 +137,7 @@ compatible = "mrvl,pxav3-mmc"; reg = <0xab1000 0x200>; interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&chip_clk CLKID_NFC_ECC>, <&chip_clk CLKID_NFC>; + clocks = <&chip_clk CLKID_NFC_ECC>, <&chip_clk CLKID_SDIO>; clock-names = "io", "core"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi index 3c99cfa..eee636d 100644 --- a/arch/arm/boot/dts/dm816x.dtsi +++ b/arch/arm/boot/dts/dm816x.dtsi @@ -218,6 +218,7 @@ reg = <0x480c8000 0x2000>; interrupts = <77>; ti,hwmods = "mailbox"; + #mbox-cells = <1>; ti,mbox-num-users = <4>; ti,mbox-num-fifos = <12>; mbox_dsp: mbox_dsp { @@ -279,8 +280,11 @@ ti,spi-num-cs = <4>; ti,hwmods = "mcspi1"; dmas = <&edma 16 &edma 17 - &edma 18 &edma 19>; - dma-names = "tx0", "rx0", "tx1", "rx1"; + &edma 18 &edma 19 + &edma 20 &edma 21 + &edma 22 &edma 23>; + dma-names = "tx0", "rx0", "tx1", "rx1", + "tx2", "rx2", "tx3", "rx3"; }; mmc1: mmc@48060000 { diff --git a/arch/arm/boot/dts/imx6q-gw5400-a.dts b/arch/arm/boot/dts/imx6q-gw5400-a.dts index 58adf17..a51834e 100644 --- a/arch/arm/boot/dts/imx6q-gw5400-a.dts +++ b/arch/arm/boot/dts/imx6q-gw5400-a.dts @@ -154,7 +154,7 @@ &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi index 7b31fdb..dc0cebf 100644 --- a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi @@ -94,7 +94,7 @@ &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi index 1b66328..18cd411 100644 --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi @@ -154,7 +154,7 @@ &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi index 7c51839..eea90f3 100644 --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi @@ -155,7 +155,7 @@ &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi index 929e0b3..6c11a2a 100644 --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi @@ -145,7 +145,7 @@ &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi index 8263fc1..d354d40 100644 --- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi @@ -113,14 +113,14 @@ &clks { assigned-clocks = <&clks IMX6QDL_PLL4_BYPASS_SRC>, <&clks IMX6QDL_PLL4_BYPASS>, - <&clks IMX6QDL_CLK_PLL4_POST_DIV>, <&clks IMX6QDL_CLK_LDB_DI0_SEL>, - <&clks IMX6QDL_CLK_LDB_DI1_SEL>; + <&clks IMX6QDL_CLK_LDB_DI1_SEL>, + <&clks IMX6QDL_CLK_PLL4_POST_DIV>; assigned-clock-parents = <&clks IMX6QDL_CLK_LVDS2_IN>, <&clks IMX6QDL_PLL4_BYPASS_SRC>, <&clks IMX6QDL_CLK_PLL3_USB_OTG>, <&clks IMX6QDL_CLK_PLL3_USB_OTG>; - assigned-clock-rates = <0>, <0>, <24576000>; + assigned-clock-rates = <0>, <0>, <0>, <0>, <24576000>; }; &ecspi1 { diff --git a/arch/arm/boot/dts/omap4-duovero-parlor.dts b/arch/arm/boot/dts/omap4-duovero-parlor.dts index 1a78f01..b75f7b2 100644 --- a/arch/arm/boot/dts/omap4-duovero-parlor.dts +++ b/arch/arm/boot/dts/omap4-duovero-parlor.dts @@ -189,3 +189,7 @@ }; }; +&uart3 { + interrupts-extended = <&wakeupgen GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH + &omap4_pmx_core OMAP4_UART3_RX>; +}; diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi index 314f59c..d0c7438 100644 --- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi +++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi @@ -25,9 +25,9 @@ cache-sets = <512>; cache-line-size = <32>; /* At full speed latency must be >=2 */ - arm,tag-latency = <2>; - arm,data-latency = <2 2>; - arm,dirty-latency = <2>; + arm,tag-latency = <8>; + arm,data-latency = <8 8>; + arm,dirty-latency = <8>; }; mtu0: mtu@101e2000 { diff --git a/arch/arm/boot/dts/sun6i-a31s-primo81.dts b/arch/arm/boot/dts/sun6i-a31s-primo81.dts index 2d4250b..68b479b 100644 --- a/arch/arm/boot/dts/sun6i-a31s-primo81.dts +++ b/arch/arm/boot/dts/sun6i-a31s-primo81.dts @@ -83,6 +83,7 @@ reg = <0x5d>; interrupt-parent = <&pio>; interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */ + touchscreen-swapped-x-y; }; }; diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi index 40c23a0..ec1aa64 100644 --- a/arch/arm/boot/dts/tegra124-nyan.dtsi +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi @@ -399,7 +399,7 @@ /* CPU DFLL clock */ clock@0,70110000 { - status = "okay"; + status = "disabled"; vdd-cpu-supply = <&vdd_cpu>; nvidia,i2c-fs-rate = <400000>; }; diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts index 01f4019..3279bf1 100644 --- a/arch/arm/boot/dts/versatile-ab.dts +++ b/arch/arm/boot/dts/versatile-ab.dts @@ -110,7 +110,11 @@ interrupt-parent = <&vic>; interrupts = <31>; /* Cascaded to vic */ clear-mask = <0xffffffff>; - valid-mask = <0xffc203f8>; + /* + * Valid interrupt lines mask according to + * table 4-36 page 4-50 of ARM DUI 0225D + */ + valid-mask = <0x0760031b>; }; dma@10130000 { @@ -266,8 +270,8 @@ }; mmc@5000 { compatible = "arm,pl180", "arm,primecell"; - reg = < 0x5000 0x1000>; - interrupts-extended = <&vic 22 &sic 2>; + reg = <0x5000 0x1000>; + interrupts-extended = <&vic 22 &sic 1>; clocks = <&xtal24mhz>, <&pclk>; clock-names = "mclk", "apb_pclk"; }; diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts index b83137f..33a8eb2 100644 --- a/arch/arm/boot/dts/versatile-pb.dts +++ b/arch/arm/boot/dts/versatile-pb.dts @@ -5,6 +5,16 @@ compatible = "arm,versatile-pb"; amba { + /* The Versatile PB is using more SIC IRQ lines than the AB */ + sic: intc@10003000 { + clear-mask = <0xffffffff>; + /* + * Valid interrupt lines mask according to + * figure 3-30 page 3-74 of ARM DUI 0224B + */ + valid-mask = <0x7fe003ff>; + }; + gpio2: gpio@101e6000 { compatible = "arm,pl061", "arm,primecell"; reg = <0x101e6000 0x1000>; @@ -67,6 +77,13 @@ }; fpga { + mmc@5000 { + /* + * Overrides the interrupt assignment from + * the Versatile AB board file. + */ + interrupts-extended = <&sic 22 &sic 23>; + }; uart@9000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x9000 0x1000>; @@ -86,7 +103,8 @@ mmc@b000 { compatible = "arm,pl180", "arm,primecell"; reg = <0xb000 0x1000>; - interrupts-extended = <&vic 23 &sic 2>; + interrupt-parent = <&sic>; + interrupts = <1>, <2>; clocks = <&xtal24mhz>, <&pclk>; clock-names = "mclk", "apb_pclk"; }; diff --git a/arch/arm/boot/dts/vf610-colibri.dtsi b/arch/arm/boot/dts/vf610-colibri.dtsi index 19fe045..2d7eab7 100644 --- a/arch/arm/boot/dts/vf610-colibri.dtsi +++ b/arch/arm/boot/dts/vf610-colibri.dtsi @@ -18,8 +18,3 @@ reg = <0x80000000 0x10000000>; }; }; - -&L2 { - arm,data-latency = <2 1 2>; - arm,tag-latency = <3 2 3>; -}; diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi index 5f8eb1b..58bc6e4 100644 --- a/arch/arm/boot/dts/vf610.dtsi +++ b/arch/arm/boot/dts/vf610.dtsi @@ -19,7 +19,7 @@ reg = <0x40006000 0x1000>; cache-unified; cache-level = <2>; - arm,data-latency = <1 1 1>; + arm,data-latency = <3 3 3>; arm,tag-latency = <2 2 2>; }; }; diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi index 0d5acc2..3cd1b27 100644 --- a/arch/arm/boot/dts/vfxxx.dtsi +++ b/arch/arm/boot/dts/vfxxx.dtsi @@ -178,8 +178,10 @@ compatible = "fsl,vf610-sai"; reg = <0x40031000 0x1000>; interrupts = <86 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks VF610_CLK_SAI2>; - clock-names = "sai"; + clocks = <&clks VF610_CLK_SAI2>, + <&clks VF610_CLK_SAI2_DIV>, + <&clks 0>, <&clks 0>; + clock-names = "bus", "mclk1", "mclk2", "mclk3"; dma-names = "tx", "rx"; dmas = <&edma0 0 21>, <&edma0 0 20>; diff --git a/arch/arm/boot/dts/wm8650.dtsi b/arch/arm/boot/dts/wm8650.dtsi index b1c59a7..e12213d 100644 --- a/arch/arm/boot/dts/wm8650.dtsi +++ b/arch/arm/boot/dts/wm8650.dtsi @@ -187,6 +187,15 @@ interrupts = <43>; }; + sdhc@d800a000 { + compatible = "wm,wm8505-sdhc"; + reg = <0xd800a000 0x400>; + interrupts = <20>, <21>; + clocks = <&clksdhc>; + bus-width = <4>; + sdon-inverted; + }; + fb: fb@d8050800 { compatible = "wm,wm8505-fb"; reg = <0xd8050800 0x200>; diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 69a22fd..cd7b198 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -366,6 +366,7 @@ CONFIG_BATTERY_MAX17042=m CONFIG_CHARGER_MAX14577=m CONFIG_CHARGER_MAX77693=m CONFIG_CHARGER_TPS65090=y +CONFIG_AXP20X_POWER=m CONFIG_POWER_RESET_AS3722=y CONFIG_POWER_RESET_GPIO=y CONFIG_POWER_RESET_GPIO_RESTART=y diff --git a/arch/arm/configs/sunxi_defconfig b/arch/arm/configs/sunxi_defconfig index 3c36e16..b503a89 100644 --- a/arch/arm/configs/sunxi_defconfig +++ b/arch/arm/configs/sunxi_defconfig @@ -84,6 +84,7 @@ CONFIG_SPI_SUN4I=y CONFIG_SPI_SUN6I=y CONFIG_GPIO_SYSFS=y CONFIG_POWER_SUPPLY=y +CONFIG_AXP20X_POWER=y CONFIG_THERMAL=y CONFIG_CPU_THERMAL=y CONFIG_WATCHDOG=y diff --git a/arch/arm/include/asm/arch_gicv3.h b/arch/arm/include/asm/arch_gicv3.h index 6607d97..7da5503 100644 --- a/arch/arm/include/asm/arch_gicv3.h +++ b/arch/arm/include/asm/arch_gicv3.h @@ -21,6 +21,7 @@ #ifndef __ASSEMBLY__ #include <linux/io.h> +#include <asm/barrier.h> #define __ACCESS_CP15(CRn, Op1, CRm, Op2) p15, Op1, %0, CRn, CRm, Op2 #define __ACCESS_CP15_64(Op1, CRm) p15, Op1, %Q0, %R0, CRm diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index 8cc85a4..35c9db8 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -510,10 +510,14 @@ __copy_to_user_std(void __user *to, const void *from, unsigned long n); static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) { +#ifndef CONFIG_UACCESS_WITH_MEMCPY unsigned int __ua_flags = uaccess_save_and_enable(); n = arm_copy_to_user(to, from, n); uaccess_restore(__ua_flags); return n; +#else + return arm_copy_to_user(to, from, n); +#endif } extern unsigned long __must_check diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 7a7c4ce..4adfb46 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -95,6 +95,22 @@ void __show_regs(struct pt_regs *regs) { unsigned long flags; char buf[64]; +#ifndef CONFIG_CPU_V7M + unsigned int domain; +#ifdef CONFIG_CPU_SW_DOMAIN_PAN + /* + * Get the domain register for the parent context. In user + * mode, we don't save the DACR, so lets use what it should + * be. For other modes, we place it after the pt_regs struct. + */ + if (user_mode(regs)) + domain = DACR_UACCESS_ENABLE; + else + domain = *(unsigned int *)(regs + 1); +#else + domain = get_domain(); +#endif +#endif show_regs_print_info(KERN_DEFAULT); @@ -123,21 +139,8 @@ void __show_regs(struct pt_regs *regs) #ifndef CONFIG_CPU_V7M { - unsigned int domain = get_domain(); const char *segment; -#ifdef CONFIG_CPU_SW_DOMAIN_PAN - /* - * Get the domain register for the parent context. In user - * mode, we don't save the DACR, so lets use what it should - * be. For other modes, we place it after the pt_regs struct. - */ - if (user_mode(regs)) - domain = DACR_UACCESS_ENABLE; - else - domain = *(unsigned int *)(regs + 1); -#endif - if ((domain & domain_mask(DOMAIN_USER)) == domain_val(DOMAIN_USER, DOMAIN_NOACCESS)) segment = "none"; @@ -163,11 +166,11 @@ void __show_regs(struct pt_regs *regs) buf[0] = '\0'; #ifdef CONFIG_CPU_CP15_MMU { - unsigned int transbase, dac = get_domain(); + unsigned int transbase; asm("mrc p15, 0, %0, c2, c0\n\t" : "=r" (transbase)); snprintf(buf, sizeof(buf), " Table: %08x DAC: %08x", - transbase, dac); + transbase, domain); } #endif asm("mrc p15, 0, %0, c1, c0\n" : "=r" (ctrl)); diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c index 5b26e7e..c3fe769d 100644 --- a/arch/arm/kernel/swp_emulate.c +++ b/arch/arm/kernel/swp_emulate.c @@ -36,10 +36,10 @@ */ #define __user_swpX_asm(data, addr, res, temp, B) \ __asm__ __volatile__( \ - " mov %2, %1\n" \ - "0: ldrex"B" %1, [%3]\n" \ - "1: strex"B" %0, %2, [%3]\n" \ + "0: ldrex"B" %2, [%3]\n" \ + "1: strex"B" %0, %1, [%3]\n" \ " cmp %0, #0\n" \ + " moveq %1, %2\n" \ " movne %0, %4\n" \ "2:\n" \ " .section .text.fixup,\"ax\"\n" \ diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c index b83f3b7..087acb5 100644 --- a/arch/arm/kernel/sys_oabi-compat.c +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -193,15 +193,44 @@ struct oabi_flock64 { pid_t l_pid; } __attribute__ ((packed,aligned(4))); -asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd, +static long do_locks(unsigned int fd, unsigned int cmd, unsigned long arg) { - struct oabi_flock64 user; struct flock64 kernel; - mm_segment_t fs = USER_DS; /* initialized to kill a warning */ - unsigned long local_arg = arg; - int ret; + struct oabi_flock64 user; + mm_segment_t fs; + long ret; + + if (copy_from_user(&user, (struct oabi_flock64 __user *)arg, + sizeof(user))) + return -EFAULT; + kernel.l_type = user.l_type; + kernel.l_whence = user.l_whence; + kernel.l_start = user.l_start; + kernel.l_len = user.l_len; + kernel.l_pid = user.l_pid; + + fs = get_fs(); + set_fs(KERNEL_DS); + ret = sys_fcntl64(fd, cmd, (unsigned long)&kernel); + set_fs(fs); + + if (!ret && (cmd == F_GETLK64 || cmd == F_OFD_GETLK)) { + user.l_type = kernel.l_type; + user.l_whence = kernel.l_whence; + user.l_start = kernel.l_start; + user.l_len = kernel.l_len; + user.l_pid = kernel.l_pid; + if (copy_to_user((struct oabi_flock64 __user *)arg, + &user, sizeof(user))) + ret = -EFAULT; + } + return ret; +} +asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd, + unsigned long arg) +{ switch (cmd) { case F_OFD_GETLK: case F_OFD_SETLK: @@ -209,39 +238,11 @@ asmlinkage long sys_oabi_fcntl64(unsigned int fd, unsigned int cmd, case F_GETLK64: case F_SETLK64: case F_SETLKW64: - if (copy_from_user(&user, (struct oabi_flock64 __user *)arg, - sizeof(user))) - return -EFAULT; - kernel.l_type = user.l_type; - kernel.l_whence = user.l_whence; - kernel.l_start = user.l_start; - kernel.l_len = user.l_len; - kernel.l_pid = user.l_pid; - local_arg = (unsigned long)&kernel; - fs = get_fs(); - set_fs(KERNEL_DS); - } - - ret = sys_fcntl64(fd, cmd, local_arg); + return do_locks(fd, cmd, arg); - switch (cmd) { - case F_GETLK64: - if (!ret) { - user.l_type = kernel.l_type; - user.l_whence = kernel.l_whence; - user.l_start = kernel.l_start; - user.l_len = kernel.l_len; - user.l_pid = kernel.l_pid; - if (copy_to_user((struct oabi_flock64 __user *)arg, - &user, sizeof(user))) - ret = -EFAULT; - } - case F_SETLK64: - case F_SETLKW64: - set_fs(fs); + default: + return sys_fcntl64(fd, cmd, arg); } - - return ret; } struct oabi_epoll_event { diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c index d72b909..588bbc2 100644 --- a/arch/arm/lib/uaccess_with_memcpy.c +++ b/arch/arm/lib/uaccess_with_memcpy.c @@ -88,6 +88,7 @@ pin_page_for_write(const void __user *_addr, pte_t **ptep, spinlock_t **ptlp) static unsigned long noinline __copy_to_user_memcpy(void __user *to, const void *from, unsigned long n) { + unsigned long ua_flags; int atomic; if (unlikely(segment_eq(get_fs(), KERNEL_DS))) { @@ -118,7 +119,9 @@ __copy_to_user_memcpy(void __user *to, const void *from, unsigned long n) if (tocopy > n) tocopy = n; + ua_flags = uaccess_save_and_enable(); memcpy((void *)to, from, tocopy); + uaccess_restore(ua_flags); to += tocopy; from += tocopy; n -= tocopy; @@ -145,14 +148,21 @@ arm_copy_to_user(void __user *to, const void *from, unsigned long n) * With frame pointer disabled, tail call optimization kicks in * as well making this test almost invisible. */ - if (n < 64) - return __copy_to_user_std(to, from, n); - return __copy_to_user_memcpy(to, from, n); + if (n < 64) { + unsigned long ua_flags = uaccess_save_and_enable(); + n = __copy_to_user_std(to, from, n); + uaccess_restore(ua_flags); + } else { + n = __copy_to_user_memcpy(to, from, n); + } + return n; } static unsigned long noinline __clear_user_memset(void __user *addr, unsigned long n) { + unsigned long ua_flags; + if (unlikely(segment_eq(get_fs(), KERNEL_DS))) { memset((void *)addr, 0, n); return 0; @@ -175,7 +185,9 @@ __clear_user_memset(void __user *addr, unsigned long n) if (tocopy > n) tocopy = n; + ua_flags = uaccess_save_and_enable(); memset((void *)addr, 0, tocopy); + uaccess_restore(ua_flags); addr += tocopy; n -= tocopy; @@ -193,9 +205,14 @@ out: unsigned long arm_clear_user(void __user *addr, unsigned long n) { /* See rational for this in __copy_to_user() above. */ - if (n < 64) - return __clear_user_std(addr, n); - return __clear_user_memset(addr, n); + if (n < 64) { + unsigned long ua_flags = uaccess_save_and_enable(); + n = __clear_user_std(addr, n); + uaccess_restore(ua_flags); + } else { + n = __clear_user_memset(addr, n); + } + return n; } #if 0 diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 9267300..28656c2 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -4,7 +4,6 @@ menuconfig ARCH_AT91 select ARCH_REQUIRE_GPIOLIB select COMMON_CLK_AT91 select PINCTRL - select PINCTRL_AT91 select SOC_BUS if ARCH_AT91 @@ -17,6 +16,7 @@ config SOC_SAMA5D2 select HAVE_AT91_USB_CLK select HAVE_AT91_H32MX select HAVE_AT91_GENERATED_CLK + select PINCTRL_AT91PIO4 help Select this if ou are using one of Atmel's SAMA5D2 family SoC. @@ -27,6 +27,7 @@ config SOC_SAMA5D3 select HAVE_AT91_UTMI select HAVE_AT91_SMD select HAVE_AT91_USB_CLK + select PINCTRL_AT91 help Select this if you are using one of Atmel's SAMA5D3 family SoC. This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36. @@ -40,6 +41,7 @@ config SOC_SAMA5D4 select HAVE_AT91_SMD select HAVE_AT91_USB_CLK select HAVE_AT91_H32MX + select PINCTRL_AT91 help Select this if you are using one of Atmel's SAMA5D4 family SoC. @@ -50,6 +52,7 @@ config SOC_AT91RM9200 select CPU_ARM920T select HAVE_AT91_USB_CLK select MIGHT_HAVE_PCI + select PINCTRL_AT91 select SOC_SAM_V4_V5 select SRAM if PM help @@ -65,6 +68,7 @@ config SOC_AT91SAM9 select HAVE_AT91_UTMI select HAVE_FB_ATMEL select MEMORY + select PINCTRL_AT91 select SOC_SAM_V4_V5 select SRAM if PM help diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 80e277c..23726fb 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -41,8 +41,10 @@ * implementation should be moved down into the pinctrl driver and get * called as part of the generic suspend/resume path. */ +#ifdef CONFIG_PINCTRL_AT91 extern void at91_pinctrl_gpio_suspend(void); extern void at91_pinctrl_gpio_resume(void); +#endif static struct { unsigned long uhp_udp_mask; @@ -151,8 +153,9 @@ static void at91_pm_suspend(suspend_state_t state) static int at91_pm_enter(suspend_state_t state) { +#ifdef CONFIG_PINCTRL_AT91 at91_pinctrl_gpio_suspend(); - +#endif switch (state) { /* * Suspend-to-RAM is like STANDBY plus slow clock mode, so @@ -192,7 +195,9 @@ static int at91_pm_enter(suspend_state_t state) error: target_state = PM_SUSPEND_ON; +#ifdef CONFIG_PINCTRL_AT91 at91_pinctrl_gpio_resume(); +#endif return 0; } diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c index de68938..c21e41d 100644 --- a/arch/arm/mach-exynos/pmu.c +++ b/arch/arm/mach-exynos/pmu.c @@ -748,8 +748,12 @@ static void exynos5_powerdown_conf(enum sys_powerdown mode) void exynos_sys_powerdown_conf(enum sys_powerdown mode) { unsigned int i; + const struct exynos_pmu_data *pmu_data; + + if (!pmu_context) + return; - const struct exynos_pmu_data *pmu_data = pmu_context->pmu_data; + pmu_data = pmu_context->pmu_data; if (pmu_data->powerdown_conf) pmu_data->powerdown_conf(mode); diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h index b024390..7a0c13b 100644 --- a/arch/arm/mach-ixp4xx/include/mach/io.h +++ b/arch/arm/mach-ixp4xx/include/mach/io.h @@ -143,7 +143,7 @@ static inline void __indirect_writesl(volatile void __iomem *bus_addr, writel(*vaddr++, bus_addr); } -static inline unsigned char __indirect_readb(const volatile void __iomem *p) +static inline u8 __indirect_readb(const volatile void __iomem *p) { u32 addr = (u32)p; u32 n, byte_enables, data; @@ -166,7 +166,7 @@ static inline void __indirect_readsb(const volatile void __iomem *bus_addr, *vaddr++ = readb(bus_addr); } -static inline unsigned short __indirect_readw(const volatile void __iomem *p) +static inline u16 __indirect_readw(const volatile void __iomem *p) { u32 addr = (u32)p; u32 n, byte_enables, data; @@ -189,7 +189,7 @@ static inline void __indirect_readsw(const volatile void __iomem *bus_addr, *vaddr++ = readw(bus_addr); } -static inline unsigned long __indirect_readl(const volatile void __iomem *p) +static inline u32 __indirect_readl(const volatile void __iomem *p) { u32 addr = (__force u32)p; u32 data; @@ -350,7 +350,7 @@ static inline void insl(u32 io_addr, void *p, u32 count) ((unsigned long)p <= (PIO_MASK + PIO_OFFSET))) #define ioread8(p) ioread8(p) -static inline unsigned int ioread8(const void __iomem *addr) +static inline u8 ioread8(const void __iomem *addr) { unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) @@ -378,7 +378,7 @@ static inline void ioread8_rep(const void __iomem *addr, void *vaddr, u32 count) } #define ioread16(p) ioread16(p) -static inline unsigned int ioread16(const void __iomem *addr) +static inline u16 ioread16(const void __iomem *addr) { unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) @@ -407,7 +407,7 @@ static inline void ioread16_rep(const void __iomem *addr, void *vaddr, } #define ioread32(p) ioread32(p) -static inline unsigned int ioread32(const void __iomem *addr) +static inline u32 ioread32(const void __iomem *addr) { unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 5076d3f..0517f0c 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -65,6 +65,8 @@ config SOC_AM43XX select MACH_OMAP_GENERIC select MIGHT_HAVE_CACHE_L2X0 select HAVE_ARM_SCU + select GENERIC_CLOCKEVENTS_BROADCAST + select HAVE_ARM_TWD config SOC_DRA7XX bool "TI DRA7XX" @@ -121,6 +123,7 @@ config ARCH_OMAP2PLUS_TYPICAL select NEON if CPU_V7 select PM select REGULATOR + select REGULATOR_FIXED_VOLTAGE select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4 select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4 select VFP @@ -201,7 +204,6 @@ config MACH_OMAP3_PANDORA depends on ARCH_OMAP3 default y select OMAP_PACKAGE_CBB - select REGULATOR_FIXED_VOLTAGE if REGULATOR config MACH_NOKIA_N810 bool diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index 17a6f75..7b76ce0 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -149,8 +149,8 @@ static int omap2_onenand_get_freq(struct omap_onenand_platform_data *cfg, freq = 104; break; default: - freq = 54; - break; + pr_err("onenand rate not detected, bad GPMC async timings?\n"); + freq = 0; } return freq; @@ -271,6 +271,11 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base) struct gpmc_timings t; int ret; + /* + * Note that we need to keep sync_write set for the call to + * omap2_onenand_set_async_mode() to work to detect the onenand + * supported clock rate for the sync timings. + */ if (gpmc_onenand_data->of_node) { gpmc_read_settings_dt(gpmc_onenand_data->of_node, &onenand_async); @@ -281,12 +286,9 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base) else gpmc_onenand_data->flags |= ONENAND_SYNC_READ; onenand_async.sync_read = false; - onenand_async.sync_write = false; } } - omap2_onenand_set_async_mode(onenand_base); - omap2_onenand_calc_async_timings(&t); ret = gpmc_cs_program_settings(gpmc_onenand_data->cs, &onenand_async); @@ -310,6 +312,8 @@ static int omap2_onenand_setup_sync(void __iomem *onenand_base, int *freq_ptr) if (!freq) { /* Very first call freq is not known */ freq = omap2_onenand_get_freq(gpmc_onenand_data, onenand_base); + if (!freq) + return -ENODEV; set_onenand_cfg(onenand_base); } diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index b18ebbe..f86692d 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -320,6 +320,12 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, return r; } +#if !defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) +void tick_broadcast(const struct cpumask *mask) +{ +} +#endif + static void __init omap2_gp_clockevent_init(int gptimer_id, const char *fck_source, const char *property) diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c index 9a9c15b..7c0d561 100644 --- a/arch/arm/mach-pxa/ezx.c +++ b/arch/arm/mach-pxa/ezx.c @@ -889,6 +889,7 @@ static void __init e680_init(void) pxa_set_keypad_info(&e680_keypad_platform_data); + pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup)); platform_add_devices(ARRAY_AND_SIZE(ezx_devices)); platform_add_devices(ARRAY_AND_SIZE(e680_devices)); } @@ -956,6 +957,7 @@ static void __init a1200_init(void) pxa_set_keypad_info(&a1200_keypad_platform_data); + pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup)); platform_add_devices(ARRAY_AND_SIZE(ezx_devices)); platform_add_devices(ARRAY_AND_SIZE(a1200_devices)); } @@ -1148,6 +1150,7 @@ static void __init a910_init(void) platform_device_register(&a910_camera); } + pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup)); platform_add_devices(ARRAY_AND_SIZE(ezx_devices)); platform_add_devices(ARRAY_AND_SIZE(a910_devices)); } @@ -1215,6 +1218,7 @@ static void __init e6_init(void) pxa_set_keypad_info(&e6_keypad_platform_data); + pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup)); platform_add_devices(ARRAY_AND_SIZE(ezx_devices)); platform_add_devices(ARRAY_AND_SIZE(e6_devices)); } @@ -1256,6 +1260,7 @@ static void __init e2_init(void) pxa_set_keypad_info(&e2_keypad_platform_data); + pwm_add_table(ezx_pwm_lookup, ARRAY_SIZE(ezx_pwm_lookup)); platform_add_devices(ARRAY_AND_SIZE(ezx_devices)); platform_add_devices(ARRAY_AND_SIZE(e2_devices)); } diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c index a19460e..b355fca 100644 --- a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c +++ b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c @@ -20,7 +20,7 @@ #include <plat/cpu.h> #include <plat/cpu-freq-core.h> -static struct cpufreq_frequency_table s3c2440_plls_12[] __initdata = { +static struct cpufreq_frequency_table s3c2440_plls_12[] = { { .frequency = 75000000, .driver_data = PLLVAL(0x75, 3, 3), }, /* FVco 600.000000 */ { .frequency = 80000000, .driver_data = PLLVAL(0x98, 4, 3), }, /* FVco 640.000000 */ { .frequency = 90000000, .driver_data = PLLVAL(0x70, 2, 3), }, /* FVco 720.000000 */ diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c index 1191b29..be9a248 100644 --- a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c +++ b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c @@ -20,7 +20,7 @@ #include <plat/cpu.h> #include <plat/cpu-freq-core.h> -static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = { +static struct cpufreq_frequency_table s3c2440_plls_169344[] = { { .frequency = 78019200, .driver_data = PLLVAL(121, 5, 3), }, /* FVco 624.153600 */ { .frequency = 84067200, .driver_data = PLLVAL(131, 5, 3), }, /* FVco 672.537600 */ { .frequency = 90115200, .driver_data = PLLVAL(141, 5, 3), }, /* FVco 720.921600 */ diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index 845769e..c8c8b9e 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -165,13 +165,28 @@ static void flush_context(unsigned int cpu) __flush_icache_all(); } -static int is_reserved_asid(u64 asid) +static bool check_update_reserved_asid(u64 asid, u64 newasid) { int cpu; - for_each_possible_cpu(cpu) - if (per_cpu(reserved_asids, cpu) == asid) - return 1; - return 0; + bool hit = false; + + /* + * Iterate over the set of reserved ASIDs looking for a match. + * If we find one, then we can update our mm to use newasid + * (i.e. the same ASID in the current generation) but we can't + * exit the loop early, since we need to ensure that all copies + * of the old ASID are updated to reflect the mm. Failure to do + * so could result in us missing the reserved ASID in a future + * generation. + */ + for_each_possible_cpu(cpu) { + if (per_cpu(reserved_asids, cpu) == asid) { + hit = true; + per_cpu(reserved_asids, cpu) = newasid; + } + } + + return hit; } static u64 new_context(struct mm_struct *mm, unsigned int cpu) @@ -181,12 +196,14 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) u64 generation = atomic64_read(&asid_generation); if (asid != 0) { + u64 newasid = generation | (asid & ~ASID_MASK); + /* * If our current ASID was active during a rollover, we * can continue to use it and this was just a false alarm. */ - if (is_reserved_asid(asid)) - return generation | (asid & ~ASID_MASK); + if (check_update_reserved_asid(asid, newasid)) + return newasid; /* * We had a valid ASID in a previous life, so try to re-use @@ -194,7 +211,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) */ asid &= ~ASID_MASK; if (!__test_and_set_bit(asid, asid_map)) - goto bump_gen; + return newasid; } /* @@ -216,11 +233,8 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) __set_bit(asid, asid_map); cur_idx = asid; - -bump_gen: - asid |= generation; cpumask_clear(mm_cpumask(mm)); - return asid; + return asid | generation; } void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk) diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index e62400e..534a60a 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1521,7 +1521,7 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg, return -ENOMEM; for (count = 0, s = sg; count < (size >> PAGE_SHIFT); s = sg_next(s)) { - phys_addr_t phys = sg_phys(s) & PAGE_MASK; + phys_addr_t phys = page_to_phys(sg_page(s)); unsigned int len = PAGE_ALIGN(s->offset + s->length); if (!is_coherent && diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 8a63b4c..7f8cd1b 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -22,6 +22,7 @@ #include <linux/memblock.h> #include <linux/dma-contiguous.h> #include <linux/sizes.h> +#include <linux/stop_machine.h> #include <asm/cp15.h> #include <asm/mach-types.h> @@ -627,12 +628,10 @@ static struct section_perm ro_perms[] = { * safe to be called with preemption disabled, as under stop_machine(). */ static inline void section_update(unsigned long addr, pmdval_t mask, - pmdval_t prot) + pmdval_t prot, struct mm_struct *mm) { - struct mm_struct *mm; pmd_t *pmd; - mm = current->active_mm; pmd = pmd_offset(pud_offset(pgd_offset(mm, addr), addr), addr); #ifdef CONFIG_ARM_LPAE @@ -656,49 +655,82 @@ static inline bool arch_has_strict_perms(void) return !!(get_cr() & CR_XP); } -#define set_section_perms(perms, field) { \ - size_t i; \ - unsigned long addr; \ - \ - if (!arch_has_strict_perms()) \ - return; \ - \ - for (i = 0; i < ARRAY_SIZE(perms); i++) { \ - if (!IS_ALIGNED(perms[i].start, SECTION_SIZE) || \ - !IS_ALIGNED(perms[i].end, SECTION_SIZE)) { \ - pr_err("BUG: section %lx-%lx not aligned to %lx\n", \ - perms[i].start, perms[i].end, \ - SECTION_SIZE); \ - continue; \ - } \ - \ - for (addr = perms[i].start; \ - addr < perms[i].end; \ - addr += SECTION_SIZE) \ - section_update(addr, perms[i].mask, \ - perms[i].field); \ - } \ +void set_section_perms(struct section_perm *perms, int n, bool set, + struct mm_struct *mm) +{ + size_t i; + unsigned long addr; + + if (!arch_has_strict_perms()) + return; + + for (i = 0; i < n; i++) { + if (!IS_ALIGNED(perms[i].start, SECTION_SIZE) || + !IS_ALIGNED(perms[i].end, SECTION_SIZE)) { + pr_err("BUG: section %lx-%lx not aligned to %lx\n", + perms[i].start, perms[i].end, + SECTION_SIZE); + continue; + } + + for (addr = perms[i].start; + addr < perms[i].end; + addr += SECTION_SIZE) + section_update(addr, perms[i].mask, + set ? perms[i].prot : perms[i].clear, mm); + } + } -static inline void fix_kernmem_perms(void) +static void update_sections_early(struct section_perm perms[], int n) { - set_section_perms(nx_perms, prot); + struct task_struct *t, *s; + + read_lock(&tasklist_lock); + for_each_process(t) { + if (t->flags & PF_KTHREAD) + continue; + for_each_thread(t, s) + set_section_perms(perms, n, true, s->mm); + } + read_unlock(&tasklist_lock); + set_section_perms(perms, n, true, current->active_mm); + set_section_perms(perms, n, true, &init_mm); +} + +int __fix_kernmem_perms(void *unused) +{ + update_sections_early(nx_perms, ARRAY_SIZE(nx_perms)); + return 0; +} + +void fix_kernmem_perms(void) +{ + stop_machine(__fix_kernmem_perms, NULL, NULL); } #ifdef CONFIG_DEBUG_RODATA +int __mark_rodata_ro(void *unused) +{ + update_sections_early(ro_perms, ARRAY_SIZE(ro_perms)); + return 0; +} + void mark_rodata_ro(void) { - set_section_perms(ro_perms, prot); + stop_machine(__mark_rodata_ro, NULL, NULL); } void set_kernel_text_rw(void) { - set_section_perms(ro_perms, clear); + set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), false, + current->active_mm); } void set_kernel_text_ro(void) { - set_section_perms(ro_perms, prot); + set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), true, + current->active_mm); } #endif /* CONFIG_DEBUG_RODATA */ diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index de2b246..8e1ea43 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -95,7 +95,7 @@ ENDPROC(cpu_v7_dcache_clean_area) .equ cpu_v7_suspend_size, 4 * 9 #ifdef CONFIG_ARM_CPU_SUSPEND ENTRY(cpu_v7_do_suspend) - stmfd sp!, {r4 - r10, lr} + stmfd sp!, {r4 - r11, lr} mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID mrc p15, 0, r5, c13, c0, 3 @ User r/o thread ID stmia r0!, {r4 - r5} @@ -112,7 +112,7 @@ ENTRY(cpu_v7_do_suspend) mrc p15, 0, r9, c1, c0, 1 @ Auxiliary control register mrc p15, 0, r10, c1, c0, 2 @ Co-processor access control stmia r0, {r5 - r11} - ldmfd sp!, {r4 - r10, pc} + ldmfd sp!, {r4 - r11, pc} ENDPROC(cpu_v7_do_suspend) ENTRY(cpu_v7_do_resume) diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 591f9db..93d0b6d 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -187,19 +187,6 @@ static inline int mem_words_used(struct jit_ctx *ctx) return fls(ctx->seen & SEEN_MEM); } -static inline bool is_load_to_a(u16 inst) -{ - switch (inst) { - case BPF_LD | BPF_W | BPF_LEN: - case BPF_LD | BPF_W | BPF_ABS: - case BPF_LD | BPF_H | BPF_ABS: - case BPF_LD | BPF_B | BPF_ABS: - return true; - default: - return false; - } -} - static void jit_fill_hole(void *area, unsigned int size) { u32 *ptr; @@ -211,7 +198,6 @@ static void jit_fill_hole(void *area, unsigned int size) static void build_prologue(struct jit_ctx *ctx) { u16 reg_set = saved_regs(ctx); - u16 first_inst = ctx->skf->insns[0].code; u16 off; #ifdef CONFIG_FRAME_POINTER @@ -241,7 +227,7 @@ static void build_prologue(struct jit_ctx *ctx) emit(ARM_MOV_I(r_X, 0), ctx); /* do not leak kernel data to userspace */ - if ((first_inst != (BPF_RET | BPF_K)) && !(is_load_to_a(first_inst))) + if (bpf_needs_clear_a(&ctx->skf->insns[0])) emit(ARM_MOV_I(r_A, 0), ctx); /* stack space for the BPF_MEM words */ @@ -770,7 +756,8 @@ load_ind: case BPF_ALU | BPF_RSH | BPF_K: if (unlikely(k > 31)) return -1; - emit(ARM_LSR_I(r_A, r_A, k), ctx); + if (k) + emit(ARM_LSR_I(r_A, r_A, k), ctx); break; case BPF_ALU | BPF_RSH | BPF_X: update_on_xread(ctx); diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi index e81cd48..925552e 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi @@ -269,6 +269,7 @@ clock-frequency = <0>; /* Updated by bootloader */ voltage-ranges = <1800 1800 3300 3300>; sdhci,auto-cmd12; + little-endian; bus-width = <4>; }; @@ -277,6 +278,7 @@ reg = <0x0 0x2300000 0x0 0x10000>; interrupts = <0 36 0x4>; /* Level high type */ gpio-controller; + little-endian; #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; @@ -287,6 +289,7 @@ reg = <0x0 0x2310000 0x0 0x10000>; interrupts = <0 36 0x4>; /* Level high type */ gpio-controller; + little-endian; #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; @@ -297,6 +300,7 @@ reg = <0x0 0x2320000 0x0 0x10000>; interrupts = <0 37 0x4>; /* Level high type */ gpio-controller; + little-endian; #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; @@ -307,6 +311,7 @@ reg = <0x0 0x2330000 0x0 0x10000>; interrupts = <0 37 0x4>; /* Level high type */ gpio-controller; + little-endian; #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h index 030cdcb..2731d3b 100644 --- a/arch/arm64/include/asm/arch_gicv3.h +++ b/arch/arm64/include/asm/arch_gicv3.h @@ -77,6 +77,7 @@ #ifndef __ASSEMBLY__ #include <linux/stringify.h> +#include <asm/barrier.h> /* * Low-level accessors diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 7e074f9..63f52b5 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -276,10 +276,14 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, * hardware updates of the pte (ptep_set_access_flags safely changes * valid ptes without going through an invalid entry). */ - if (IS_ENABLED(CONFIG_DEBUG_VM) && IS_ENABLED(CONFIG_ARM64_HW_AFDBM) && - pte_valid(*ptep)) { - BUG_ON(!pte_young(pte)); - BUG_ON(pte_write(*ptep) && !pte_dirty(pte)); + if (IS_ENABLED(CONFIG_ARM64_HW_AFDBM) && + pte_valid(*ptep) && pte_valid(pte)) { + VM_WARN_ONCE(!pte_young(pte), + "%s: racy access flag clearing: 0x%016llx -> 0x%016llx", + __func__, pte_val(*ptep), pte_val(pte)); + VM_WARN_ONCE(pte_write(*ptep) && !pte_dirty(pte), + "%s: racy dirty state clearing: 0x%016llx -> 0x%016llx", + __func__, pte_val(*ptep), pte_val(pte)); } set_pte(ptep, pte); diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index 1ee2c39..71426a7 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -5,6 +5,7 @@ */ #include <asm-generic/vmlinux.lds.h> +#include <asm/cache.h> #include <asm/kernel-pgtable.h> #include <asm/thread_info.h> #include <asm/memory.h> @@ -140,7 +141,7 @@ SECTIONS ARM_EXIT_KEEP(EXIT_DATA) } - PERCPU_SECTION(64) + PERCPU_SECTION(L1_CACHE_BYTES) . = ALIGN(PAGE_SIZE); __init_end = .; @@ -158,7 +159,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); _data = .; _sdata = .; - RW_DATA_SECTION(64, PAGE_SIZE, THREAD_SIZE) + RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) PECOFF_EDATA_PADDING _edata = .; diff --git a/arch/blackfin/kernel/perf_event.c b/arch/blackfin/kernel/perf_event.c index 1e9c8b0..170d786 100644 --- a/arch/blackfin/kernel/perf_event.c +++ b/arch/blackfin/kernel/perf_event.c @@ -14,7 +14,7 @@ * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar * Copyright (C) 2009 Jaswinder Singh Rajput * Copyright (C) 2009 Advanced Micro Devices, Inc., Robert Richter - * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra * Copyright (C) 2009 Intel Corporation, <markus.t.metzger@intel.com> * * ppc: diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h index db73390..74c132d 100644 --- a/arch/ia64/include/asm/unistd.h +++ b/arch/ia64/include/asm/unistd.h @@ -11,7 +11,7 @@ -#define NR_syscalls 322 /* length of syscall table */ +#define NR_syscalls 323 /* length of syscall table */ /* * The following defines stop scripts/checksyscalls.sh from complaining about diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h index 9038726..762edce 100644 --- a/arch/ia64/include/uapi/asm/unistd.h +++ b/arch/ia64/include/uapi/asm/unistd.h @@ -335,5 +335,6 @@ #define __NR_userfaultfd 1343 #define __NR_membarrier 1344 #define __NR_kcmp 1345 +#define __NR_mlock2 1346 #endif /* _UAPI_ASM_IA64_UNISTD_H */ diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index dcd97f8..534a74a 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1771,5 +1771,6 @@ sys_call_table: data8 sys_userfaultfd data8 sys_membarrier data8 sys_kcmp // 1345 + data8 sys_mlock2 .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild index fd104bd..860e440 100644 --- a/arch/m32r/include/asm/Kbuild +++ b/arch/m32r/include/asm/Kbuild @@ -3,6 +3,7 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h +generic-y += kvm_para.h generic-y += mcs_spinlock.h generic-y += mm-arch-hooks.h generic-y += module.h diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h index 61b8931..4b0f5e0 100644 --- a/arch/m32r/include/asm/io.h +++ b/arch/m32r/include/asm/io.h @@ -168,13 +168,21 @@ static inline void _writel(unsigned long l, unsigned long addr) #define writew_relaxed writew #define writel_relaxed writel -#define ioread8 read +#define ioread8 readb #define ioread16 readw #define ioread32 readl #define iowrite8 writeb #define iowrite16 writew #define iowrite32 writel +#define ioread8_rep(p, dst, count) insb((unsigned long)(p), (dst), (count)) +#define ioread16_rep(p, dst, count) insw((unsigned long)(p), (dst), (count)) +#define ioread32_rep(p, dst, count) insl((unsigned long)(p), (dst), (count)) + +#define iowrite8_rep(p, src, count) outsb((unsigned long)(p), (src), (count)) +#define iowrite16_rep(p, src, count) outsw((unsigned long)(p), (src), (count)) +#define iowrite32_rep(p, src, count) outsl((unsigned long)(p), (src), (count)) + #define ioread16be(addr) be16_to_cpu(readw(addr)) #define ioread32be(addr) be32_to_cpu(readl(addr)) #define iowrite16be(v, addr) writew(cpu_to_be16(v), (addr)) diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index c89da63..bf4dec2 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -61,7 +61,8 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, /* FIXME this part of code is untested */ for_each_sg(sgl, sg, nents, i) { sg->dma_address = sg_phys(sg); - __dma_sync(sg_phys(sg), sg->length, direction); + __dma_sync(page_to_phys(sg_page(sg)) + sg->offset, + sg->length, direction); } return nents; diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 5305d69..095ecaf 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -599,7 +599,7 @@ extern void __put_user_unknown(void); * On error, the variable @x is set to zero. */ #define __get_user_unaligned(x,ptr) \ - __get_user__unalignednocheck((x),(ptr),sizeof(*(ptr))) + __get_user_unaligned_nocheck((x),(ptr),sizeof(*(ptr))) /* * Yuck. We need two variants, one for 64bit operation and one @@ -620,8 +620,8 @@ extern void __get_user_unaligned_unknown(void); do { \ switch (size) { \ case 1: __get_data_asm(val, "lb", ptr); break; \ - case 2: __get_user_unaligned_asm(val, "ulh", ptr); break; \ - case 4: __get_user_unaligned_asm(val, "ulw", ptr); break; \ + case 2: __get_data_unaligned_asm(val, "ulh", ptr); break; \ + case 4: __get_data_unaligned_asm(val, "ulw", ptr); break; \ case 8: __GET_USER_UNALIGNED_DW(val, ptr); break; \ default: __get_user_unaligned_unknown(); break; \ } \ @@ -1122,9 +1122,15 @@ extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n); __cu_to = (to); \ __cu_from = (from); \ __cu_len = (n); \ - might_fault(); \ - __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \ - __cu_len); \ + if (eva_kernel_access()) { \ + __cu_len = __invoke_copy_from_kernel(__cu_to, \ + __cu_from, \ + __cu_len); \ + } else { \ + might_fault(); \ + __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \ + __cu_len); \ + } \ __cu_len; \ }) @@ -1229,16 +1235,28 @@ __clear_user(void __user *addr, __kernel_size_t size) { __kernel_size_t res; - might_fault(); - __asm__ __volatile__( - "move\t$4, %1\n\t" - "move\t$5, $0\n\t" - "move\t$6, %2\n\t" - __MODULE_JAL(__bzero) - "move\t%0, $6" - : "=r" (res) - : "r" (addr), "r" (size) - : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31"); + if (eva_kernel_access()) { + __asm__ __volatile__( + "move\t$4, %1\n\t" + "move\t$5, $0\n\t" + "move\t$6, %2\n\t" + __MODULE_JAL(__bzero_kernel) + "move\t%0, $6" + : "=r" (res) + : "r" (addr), "r" (size) + : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31"); + } else { + might_fault(); + __asm__ __volatile__( + "move\t$4, %1\n\t" + "move\t$5, $0\n\t" + "move\t$6, %2\n\t" + __MODULE_JAL(__bzero) + "move\t%0, $6" + : "=r" (res) + : "r" (addr), "r" (size) + : "$4", "$5", "$6", __UA_t0, __UA_t1, "$31"); + } return res; } @@ -1384,7 +1402,7 @@ static inline long strlen_user(const char __user *s) might_fault(); __asm__ __volatile__( "move\t$4, %1\n\t" - __MODULE_JAL(__strlen_kernel_asm) + __MODULE_JAL(__strlen_user_asm) "move\t%0, $2" : "=r" (res) : "r" (s) diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S index 8fd5a27..ac81edd 100644 --- a/arch/mips/kernel/cps-vec.S +++ b/arch/mips/kernel/cps-vec.S @@ -257,7 +257,6 @@ LEAF(mips_cps_core_init) has_mt t0, 3f .set push - .set mips64r2 .set mt /* Only allow 1 TC per VPE to execute... */ @@ -376,7 +375,6 @@ LEAF(mips_cps_boot_vpes) nop .set push - .set mips64r2 .set mt 1: /* Enter VPE configuration state */ diff --git a/arch/mips/kernel/mips_ksyms.c b/arch/mips/kernel/mips_ksyms.c index 291af0b..e2b6ab7 100644 --- a/arch/mips/kernel/mips_ksyms.c +++ b/arch/mips/kernel/mips_ksyms.c @@ -17,6 +17,7 @@ #include <asm/fpu.h> #include <asm/msa.h> +extern void *__bzero_kernel(void *__s, size_t __count); extern void *__bzero(void *__s, size_t __count); extern long __strncpy_from_kernel_nocheck_asm(char *__to, const char *__from, long __len); @@ -64,6 +65,7 @@ EXPORT_SYMBOL(__copy_from_user_eva); EXPORT_SYMBOL(__copy_in_user_eva); EXPORT_SYMBOL(__copy_to_user_eva); EXPORT_SYMBOL(__copy_user_inatomic_eva); +EXPORT_SYMBOL(__bzero_kernel); #endif EXPORT_SYMBOL(__bzero); EXPORT_SYMBOL(__strncpy_from_kernel_nocheck_asm); diff --git a/arch/mips/lib/memset.S b/arch/mips/lib/memset.S index b8e63fd..8f0019a 100644 --- a/arch/mips/lib/memset.S +++ b/arch/mips/lib/memset.S @@ -283,6 +283,8 @@ LEAF(memset) 1: #ifndef CONFIG_EVA FEXPORT(__bzero) +#else +FEXPORT(__bzero_kernel) #endif __BUILD_BZERO LEGACY_MODE diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index d8117be..730d394 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -145,7 +145,7 @@ static void *mips_dma_alloc_coherent(struct device *dev, size_t size, gfp = massage_gfp_flags(dev, gfp); - if (IS_ENABLED(CONFIG_DMA_CMA) && !(gfp & GFP_ATOMIC)) + if (IS_ENABLED(CONFIG_DMA_CMA) && gfpflags_allow_blocking(gfp)) page = dma_alloc_from_contiguous(dev, count, get_order(size)); if (!page) diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c index 77cb273..1a8c960 100644 --- a/arch/mips/net/bpf_jit.c +++ b/arch/mips/net/bpf_jit.c @@ -521,19 +521,6 @@ static inline u16 align_sp(unsigned int num) return num; } -static bool is_load_to_a(u16 inst) -{ - switch (inst) { - case BPF_LD | BPF_W | BPF_LEN: - case BPF_LD | BPF_W | BPF_ABS: - case BPF_LD | BPF_H | BPF_ABS: - case BPF_LD | BPF_B | BPF_ABS: - return true; - default: - return false; - } -} - static void save_bpf_jit_regs(struct jit_ctx *ctx, unsigned offset) { int i = 0, real_off = 0; @@ -614,7 +601,6 @@ static unsigned int get_stack_depth(struct jit_ctx *ctx) static void build_prologue(struct jit_ctx *ctx) { - u16 first_inst = ctx->skf->insns[0].code; int sp_off; /* Calculate the total offset for the stack pointer */ @@ -641,7 +627,7 @@ static void build_prologue(struct jit_ctx *ctx) emit_jit_reg_move(r_X, r_zero, ctx); /* Do not leak kernel data to userspace */ - if ((first_inst != (BPF_RET | BPF_K)) && !(is_load_to_a(first_inst))) + if (bpf_needs_clear_a(&ctx->skf->insns[0])) emit_jit_reg_move(r_A, r_zero, ctx); } diff --git a/arch/mips/pci/pci-rt2880.c b/arch/mips/pci/pci-rt2880.c index dbbeccc..a245cad 100644 --- a/arch/mips/pci/pci-rt2880.c +++ b/arch/mips/pci/pci-rt2880.c @@ -221,7 +221,6 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) static int rt288x_pci_probe(struct platform_device *pdev) { void __iomem *io_map_base; - int i; rt2880_pci_base = ioremap_nocache(RT2880_PCI_BASE, PAGE_SIZE); diff --git a/arch/mips/pmcs-msp71xx/msp_setup.c b/arch/mips/pmcs-msp71xx/msp_setup.c index 78b2ef4..9d293b3 100644 --- a/arch/mips/pmcs-msp71xx/msp_setup.c +++ b/arch/mips/pmcs-msp71xx/msp_setup.c @@ -39,7 +39,6 @@ extern void msp_serial_setup(void); void msp7120_reset(void) { void *start, *end, *iptr; - register int i; /* Diasble all interrupts */ local_irq_disable(); diff --git a/arch/mips/sni/reset.c b/arch/mips/sni/reset.c index db8f88b..6afa343 100644 --- a/arch/mips/sni/reset.c +++ b/arch/mips/sni/reset.c @@ -26,7 +26,7 @@ static inline void kb_wait(void) /* XXX This ends up at the ARC firmware prompt ... */ void sni_machine_restart(char *command) { - int i, j; + int i; /* This does a normal via the keyboard controller like a PC. We can do that easier ... */ diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile index ef5f348..1456890 100644 --- a/arch/mips/vdso/Makefile +++ b/arch/mips/vdso/Makefile @@ -26,8 +26,8 @@ aflags-vdso := $(ccflags-vdso) \ # the comments on that file. # ifndef CONFIG_CPU_MIPSR6 - ifeq ($(call ld-ifversion, -gt, 22400000, y),) - $(warning MIPS VDSO requires binutils > 2.24) + ifeq ($(call ld-ifversion, -lt, 22500000, y),y) + $(warning MIPS VDSO requires binutils >= 2.25) obj-vdso-y := $(filter-out gettimeofday.o, $(obj-vdso-y)) ccflags-vdso += -DDISABLE_MIPS_VDSO endif diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index d8534f9..291cee2 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -372,7 +372,8 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } */ #ifdef CONFIG_HUGETLB_PAGE #define pte_huge(pte) (pte_val(pte) & _PAGE_HUGE) -#define pte_mkhuge(pte) (__pte(pte_val(pte) | _PAGE_HUGE)) +#define pte_mkhuge(pte) (__pte(pte_val(pte) | \ + (parisc_requires_coherency() ? 0 : _PAGE_HUGE))) #else #define pte_huge(pte) (0) #define pte_mkhuge(pte) (pte) diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h index 3317038..35bdccb 100644 --- a/arch/parisc/include/uapi/asm/unistd.h +++ b/arch/parisc/include/uapi/asm/unistd.h @@ -360,8 +360,9 @@ #define __NR_execveat (__NR_Linux + 342) #define __NR_membarrier (__NR_Linux + 343) #define __NR_userfaultfd (__NR_Linux + 344) +#define __NR_mlock2 (__NR_Linux + 345) -#define __NR_Linux_syscalls (__NR_userfaultfd + 1) +#define __NR_Linux_syscalls (__NR_mlock2 + 1) #define __IGNORE_select /* newselect */ diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c index 64f2764..c99f3dd 100644 --- a/arch/parisc/kernel/pci.c +++ b/arch/parisc/kernel/pci.c @@ -171,24 +171,6 @@ void pcibios_set_master(struct pci_dev *dev) } -void __init pcibios_init_bus(struct pci_bus *bus) -{ - struct pci_dev *dev = bus->self; - unsigned short bridge_ctl; - - /* We deal only with pci controllers and pci-pci bridges. */ - if (!dev || (dev->class >> 8) != PCI_CLASS_BRIDGE_PCI) - return; - - /* PCI-PCI bridge - set the cache line and default latency - (32) for primary and secondary buses. */ - pci_write_config_byte(dev, PCI_SEC_LATENCY_TIMER, 32); - - pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &bridge_ctl); - bridge_ctl |= PCI_BRIDGE_CTL_PARITY | PCI_BRIDGE_CTL_SERR; - pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bridge_ctl); -} - /* * pcibios align resources() is called every time generic PCI code * wants to generate a new address. The process of looking for diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index dc1ea79..2264f68 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -435,6 +435,55 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs, int in_syscall) regs->gr[28]); } +/* + * Check how the syscall number gets loaded into %r20 within + * the delay branch in userspace and adjust as needed. + */ + +static void check_syscallno_in_delay_branch(struct pt_regs *regs) +{ + u32 opcode, source_reg; + u32 __user *uaddr; + int err; + + /* Usually we don't have to restore %r20 (the system call number) + * because it gets loaded in the delay slot of the branch external + * instruction via the ldi instruction. + * In some cases a register-to-register copy instruction might have + * been used instead, in which case we need to copy the syscall + * number into the source register before returning to userspace. + */ + + /* A syscall is just a branch, so all we have to do is fiddle the + * return pointer so that the ble instruction gets executed again. + */ + regs->gr[31] -= 8; /* delayed branching */ + + /* Get assembler opcode of code in delay branch */ + uaddr = (unsigned int *) ((regs->gr[31] & ~3) + 4); + err = get_user(opcode, uaddr); + if (err) + return; + + /* Check if delay branch uses "ldi int,%r20" */ + if ((opcode & 0xffff0000) == 0x34140000) + return; /* everything ok, just return */ + + /* Check if delay branch uses "nop" */ + if (opcode == INSN_NOP) + return; + + /* Check if delay branch uses "copy %rX,%r20" */ + if ((opcode & 0xffe0ffff) == 0x08000254) { + source_reg = (opcode >> 16) & 31; + regs->gr[source_reg] = regs->gr[20]; + return; + } + + pr_warn("syscall restart: %s (pid %d): unexpected opcode 0x%08x\n", + current->comm, task_pid_nr(current), opcode); +} + static inline void syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) { @@ -457,10 +506,7 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) } /* fallthrough */ case -ERESTARTNOINTR: - /* A syscall is just a branch, so all - * we have to do is fiddle the return pointer. - */ - regs->gr[31] -= 8; /* delayed branching */ + check_syscallno_in_delay_branch(regs); break; } } @@ -510,15 +556,9 @@ insert_restart_trampoline(struct pt_regs *regs) } case -ERESTARTNOHAND: case -ERESTARTSYS: - case -ERESTARTNOINTR: { - /* Hooray for delayed branching. We don't - * have to restore %r20 (the system call - * number) because it gets loaded in the delay - * slot of the branch external instruction. - */ - regs->gr[31] -= 8; + case -ERESTARTNOINTR: + check_syscallno_in_delay_branch(regs); return; - } default: break; } diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 78c3ef8..d4ffcfb 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -440,6 +440,7 @@ ENTRY_COMP(execveat) ENTRY_SAME(membarrier) ENTRY_SAME(userfaultfd) + ENTRY_SAME(mlock2) /* 345 */ .ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b)) diff --git a/arch/powerpc/boot/dts/sbc8641d.dts b/arch/powerpc/boot/dts/sbc8641d.dts index 631ede7..68f0ed7 100644 --- a/arch/powerpc/boot/dts/sbc8641d.dts +++ b/arch/powerpc/boot/dts/sbc8641d.dts @@ -227,23 +227,15 @@ reg = <0x520 0x20>; phy0: ethernet-phy@1f { - interrupt-parent = <&mpic>; - interrupts = <10 1>; reg = <0x1f>; }; phy1: ethernet-phy@0 { - interrupt-parent = <&mpic>; - interrupts = <10 1>; reg = <0>; }; phy2: ethernet-phy@1 { - interrupt-parent = <&mpic>; - interrupts = <10 1>; reg = <1>; }; phy3: ethernet-phy@2 { - interrupt-parent = <&mpic>; - interrupts = <10 1>; reg = <2>; }; tbi0: tbi-phy@11 { diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index f2b0b1b..5654ece 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -370,16 +370,16 @@ COMPAT_SYS(execveat) PPC64ONLY(switch_endian) SYSCALL_SPU(userfaultfd) SYSCALL_SPU(membarrier) -SYSCALL(semop) -SYSCALL(semget) -COMPAT_SYS(semctl) -COMPAT_SYS(semtimedop) -COMPAT_SYS(msgsnd) -COMPAT_SYS(msgrcv) -SYSCALL(msgget) -COMPAT_SYS(msgctl) -COMPAT_SYS(shmat) -SYSCALL(shmdt) -SYSCALL(shmget) -COMPAT_SYS(shmctl) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) +SYSCALL(ni_syscall) SYSCALL(mlock2) diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index 1effea5..12a0565 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -388,18 +388,6 @@ #define __NR_switch_endian 363 #define __NR_userfaultfd 364 #define __NR_membarrier 365 -#define __NR_semop 366 -#define __NR_semget 367 -#define __NR_semctl 368 -#define __NR_semtimedop 369 -#define __NR_msgsnd 370 -#define __NR_msgrcv 371 -#define __NR_msgget 372 -#define __NR_msgctl 373 -#define __NR_shmat 374 -#define __NR_shmdt 375 -#define __NR_shmget 376 -#define __NR_shmctl 377 #define __NR_mlock2 378 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 80dfe89..8d14feb 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -590,16 +590,10 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus) eeh_ops->configure_bridge(pe); eeh_pe_restore_bars(pe); - /* - * If it's PHB PE, the frozen state on all available PEs should have - * been cleared by the PHB reset. Otherwise, we unfreeze the PE and its - * child PEs because they might be in frozen state. - */ - if (!(pe->type & EEH_PE_PHB)) { - rc = eeh_clear_pe_frozen_state(pe, false); - if (rc) - return rc; - } + /* Clear frozen state */ + rc = eeh_clear_pe_frozen_state(pe, false); + if (rc) + return rc; /* Give the system 5 seconds to finish running the user-space * hotplug shutdown scripts, e.g. ifdown for ethernet. Yes, diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 54b45b7..a7352b5 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -224,6 +224,12 @@ static void kvmppc_core_vcpu_put_hv(struct kvm_vcpu *vcpu) static void kvmppc_set_msr_hv(struct kvm_vcpu *vcpu, u64 msr) { + /* + * Check for illegal transactional state bit combination + * and if we find it, force the TS field to a safe state. + */ + if ((msr & MSR_TS_MASK) == MSR_TS_MASK) + msr &= ~MSR_TS_MASK; vcpu->arch.shregs.msr = msr; kvmppc_end_cede(vcpu); } diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index 0478216..2d66a84 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -78,18 +78,9 @@ static void bpf_jit_build_prologue(struct bpf_prog *fp, u32 *image, PPC_LI(r_X, 0); } - switch (filter[0].code) { - case BPF_RET | BPF_K: - case BPF_LD | BPF_W | BPF_LEN: - case BPF_LD | BPF_W | BPF_ABS: - case BPF_LD | BPF_H | BPF_ABS: - case BPF_LD | BPF_B | BPF_ABS: - /* first instruction sets A register (or is RET 'constant') */ - break; - default: - /* make sure we dont leak kernel information to user */ + /* make sure we dont leak kernel information to user */ + if (bpf_needs_clear_a(&filter[0])) PPC_LI(r_A, 0); - } } static void bpf_jit_build_epilogue(u32 *image, struct codegen_context *ctx) diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index 6ccfb6c..e505223b 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -43,11 +43,34 @@ static unsigned int opal_irq_count; static unsigned int *opal_irqs; static void opal_handle_irq_work(struct irq_work *work); -static __be64 last_outstanding_events; +static u64 last_outstanding_events; static struct irq_work opal_event_irq_work = { .func = opal_handle_irq_work, }; +void opal_handle_events(uint64_t events) +{ + int virq, hwirq = 0; + u64 mask = opal_event_irqchip.mask; + + if (!in_irq() && (events & mask)) { + last_outstanding_events = events; + irq_work_queue(&opal_event_irq_work); + return; + } + + while (events & mask) { + hwirq = fls64(events) - 1; + if (BIT_ULL(hwirq) & mask) { + virq = irq_find_mapping(opal_event_irqchip.domain, + hwirq); + if (virq) + generic_handle_irq(virq); + } + events &= ~BIT_ULL(hwirq); + } +} + static void opal_event_mask(struct irq_data *d) { clear_bit(d->hwirq, &opal_event_irqchip.mask); @@ -55,9 +78,21 @@ static void opal_event_mask(struct irq_data *d) static void opal_event_unmask(struct irq_data *d) { + __be64 events; + set_bit(d->hwirq, &opal_event_irqchip.mask); - opal_poll_events(&last_outstanding_events); + opal_poll_events(&events); + last_outstanding_events = be64_to_cpu(events); + + /* + * We can't just handle the events now with opal_handle_events(). + * If we did we would deadlock when opal_event_unmask() is called from + * handle_level_irq() with the irq descriptor lock held, because + * calling opal_handle_events() would call generic_handle_irq() and + * then handle_level_irq() which would try to take the descriptor lock + * again. Instead queue the events for later. + */ if (last_outstanding_events & opal_event_irqchip.mask) /* Need to retrigger the interrupt */ irq_work_queue(&opal_event_irq_work); @@ -96,29 +131,6 @@ static int opal_event_map(struct irq_domain *d, unsigned int irq, return 0; } -void opal_handle_events(uint64_t events) -{ - int virq, hwirq = 0; - u64 mask = opal_event_irqchip.mask; - - if (!in_irq() && (events & mask)) { - last_outstanding_events = events; - irq_work_queue(&opal_event_irq_work); - return; - } - - while (events & mask) { - hwirq = fls64(events) - 1; - if (BIT_ULL(hwirq) & mask) { - virq = irq_find_mapping(opal_event_irqchip.domain, - hwirq); - if (virq) - generic_handle_irq(virq); - } - events &= ~BIT_ULL(hwirq); - } -} - static irqreturn_t opal_interrupt(int irq, void *data) { __be64 events; @@ -131,7 +143,7 @@ static irqreturn_t opal_interrupt(int irq, void *data) static void opal_handle_irq_work(struct irq_work *work) { - opal_handle_events(be64_to_cpu(last_outstanding_events)); + opal_handle_events(last_outstanding_events); } static int opal_event_match(struct irq_domain *h, struct device_node *node, diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 4296d55..57cffb8 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -278,7 +278,7 @@ static void opal_handle_message(void) /* Sanity check */ if (type >= OPAL_MSG_TYPE_MAX) { - pr_warning("%s: Unknown message type: %u\n", __func__, type); + pr_warn_once("%s: Unknown message type: %u\n", __func__, type); return; } opal_message_do_notify(type, (void *)&msg); diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index 8140d10..6e72961 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -1920,16 +1920,23 @@ static int print_insn(char *buffer, unsigned char *code, unsigned long addr) } if (separator) ptr += sprintf(ptr, "%c", separator); + /* + * Use four '%' characters below because of the + * following two conversions: + * + * 1) sprintf: %%%%r -> %%r + * 2) printk : %%r -> %r + */ if (operand->flags & OPERAND_GPR) - ptr += sprintf(ptr, "%%r%i", value); + ptr += sprintf(ptr, "%%%%r%i", value); else if (operand->flags & OPERAND_FPR) - ptr += sprintf(ptr, "%%f%i", value); + ptr += sprintf(ptr, "%%%%f%i", value); else if (operand->flags & OPERAND_AR) - ptr += sprintf(ptr, "%%a%i", value); + ptr += sprintf(ptr, "%%%%a%i", value); else if (operand->flags & OPERAND_CR) - ptr += sprintf(ptr, "%%c%i", value); + ptr += sprintf(ptr, "%%%%c%i", value); else if (operand->flags & OPERAND_VR) - ptr += sprintf(ptr, "%%v%i", value); + ptr += sprintf(ptr, "%%%%v%i", value); else if (operand->flags & OPERAND_PCREL) ptr += sprintf(ptr, "%lx", (signed int) value + addr); diff --git a/arch/sh/include/uapi/asm/unistd_64.h b/arch/sh/include/uapi/asm/unistd_64.h index e6820c8..47ebd5b 100644 --- a/arch/sh/include/uapi/asm/unistd_64.h +++ b/arch/sh/include/uapi/asm/unistd_64.h @@ -278,7 +278,7 @@ #define __NR_fsetxattr 256 #define __NR_getxattr 257 #define __NR_lgetxattr 258 -#define __NR_fgetxattr 269 +#define __NR_fgetxattr 259 #define __NR_listxattr 260 #define __NR_llistxattr 261 #define __NR_flistxattr 262 diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c index 7cfd7f1..4dca183 100644 --- a/arch/sh/kernel/perf_event.c +++ b/arch/sh/kernel/perf_event.c @@ -10,7 +10,7 @@ * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar * Copyright (C) 2009 Jaswinder Singh Rajput * Copyright (C) 2009 Advanced Micro Devices, Inc., Robert Richter - * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra * Copyright (C) 2009 Intel Corporation, <markus.t.metzger@intel.com> * * ppc: diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h index 370ca1e..9331083 100644 --- a/arch/sparc/include/asm/elf_64.h +++ b/arch/sparc/include/asm/elf_64.h @@ -95,6 +95,7 @@ * really available. So we simply advertise only "crypto" support. */ #define HWCAP_SPARC_CRYPTO 0x04000000 /* CRYPTO insns available */ +#define HWCAP_SPARC_ADI 0x08000000 /* ADI available */ #define CORE_DUMP_USE_REGSET diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index efe9479..1c26d44 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -417,8 +417,13 @@ #define __NR_bpf 349 #define __NR_execveat 350 #define __NR_membarrier 351 +#define __NR_userfaultfd 352 +#define __NR_bind 353 +#define __NR_listen 354 +#define __NR_setsockopt 355 +#define __NR_mlock2 356 -#define NR_syscalls 352 +#define NR_syscalls 357 /* Bitmask values returned from kern_features system call. */ #define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 3d61fca..f2d30ca 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -946,6 +946,12 @@ ENTRY(__retl_one) mov 1, %o0 ENDPROC(__retl_one) +ENTRY(__retl_one_fp) + VISExitHalf + retl + mov 1, %o0 +ENDPROC(__retl_one_fp) + ENTRY(__ret_one_asi) wr %g0, ASI_AIUS, %asi ret @@ -958,6 +964,13 @@ ENTRY(__retl_one_asi) mov 1, %o0 ENDPROC(__retl_one_asi) +ENTRY(__retl_one_asi_fp) + wr %g0, ASI_AIUS, %asi + VISExitHalf + retl + mov 1, %o0 +ENDPROC(__retl_one_asi_fp) + ENTRY(__retl_o1) retl mov %o1, %o0 diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index b0da5ae..6596f66 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -9,7 +9,7 @@ * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar * Copyright (C) 2009 Jaswinder Singh Rajput * Copyright (C) 2009 Advanced Micro Devices, Inc., Robert Richter - * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra */ #include <linux/perf_event.h> @@ -1828,11 +1828,18 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry, void perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) { + u64 saved_fault_address = current_thread_info()->fault_address; + u8 saved_fault_code = get_thread_fault_code(); + mm_segment_t old_fs; + perf_callchain_store(entry, regs->tpc); if (!current->mm) return; + old_fs = get_fs(); + set_fs(USER_DS); + flushw_user(); pagefault_disable(); @@ -1843,4 +1850,8 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) perf_callchain_user_64(entry, regs); pagefault_enable(); + + set_fs(old_fs); + set_thread_fault_code(saved_fault_code); + current_thread_info()->fault_address = saved_fault_address; } diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S index 39f0c66..d08bdaf 100644 --- a/arch/sparc/kernel/rtrap_64.S +++ b/arch/sparc/kernel/rtrap_64.S @@ -73,7 +73,13 @@ rtrap_nmi: ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1 andn %l1, %l4, %l1 srl %l4, 20, %l4 ba,pt %xcc, rtrap_no_irq_enable - wrpr %l4, %pil + nop + /* Do not actually set the %pil here. We will do that + * below after we clear PSTATE_IE in the %pstate register. + * If we re-enable interrupts here, we can recurse down + * the hardirq stack potentially endlessly, causing a + * stack overflow. + */ .align 64 .globl rtrap_irq, rtrap, irqsz_patchme, rtrap_xcall diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index f7b2617..f3185e2 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -380,7 +380,8 @@ static const char *hwcaps[] = { */ "mul32", "div32", "fsmuld", "v8plus", "popc", "vis", "vis2", "ASIBlkInit", "fmaf", "vis3", "hpc", "random", "trans", "fjfmau", - "ima", "cspare", "pause", "cbcond", + "ima", "cspare", "pause", "cbcond", NULL /*reserved for crypto */, + "adp", }; static const char *crypto_hwcaps[] = { @@ -396,7 +397,7 @@ void cpucap_info(struct seq_file *m) seq_puts(m, "cpucaps\t\t: "); for (i = 0; i < ARRAY_SIZE(hwcaps); i++) { unsigned long bit = 1UL << i; - if (caps & bit) { + if (hwcaps[i] && (caps & bit)) { seq_printf(m, "%s%s", printed ? "," : "", hwcaps[i]); printed++; @@ -450,7 +451,7 @@ static void __init report_hwcaps(unsigned long caps) for (i = 0; i < ARRAY_SIZE(hwcaps); i++) { unsigned long bit = 1UL << i; - if (caps & bit) + if (hwcaps[i] && (caps & bit)) report_one_hwcap(&printed, hwcaps[i]); } if (caps & HWCAP_SPARC_CRYPTO) @@ -485,7 +486,7 @@ static unsigned long __init mdesc_cpu_hwcap_list(void) for (i = 0; i < ARRAY_SIZE(hwcaps); i++) { unsigned long bit = 1UL << i; - if (!strcmp(prop, hwcaps[i])) { + if (hwcaps[i] && !strcmp(prop, hwcaps[i])) { caps |= bit; break; } diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index cc23b62..e663b6c 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -35,18 +35,18 @@ sys_call_table: /*80*/ .long sys_setgroups16, sys_getpgrp, sys_setgroups, sys_setitimer, sys_ftruncate64 /*85*/ .long sys_swapon, sys_getitimer, sys_setuid, sys_sethostname, sys_setgid /*90*/ .long sys_dup2, sys_setfsuid, sys_fcntl, sys_select, sys_setfsgid -/*95*/ .long sys_fsync, sys_setpriority, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall +/*95*/ .long sys_fsync, sys_setpriority, sys_socket, sys_connect, sys_accept /*100*/ .long sys_getpriority, sys_rt_sigreturn, sys_rt_sigaction, sys_rt_sigprocmask, sys_rt_sigpending /*105*/ .long sys_rt_sigtimedwait, sys_rt_sigqueueinfo, sys_rt_sigsuspend, sys_setresuid, sys_getresuid -/*110*/ .long sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall -/*115*/ .long sys_getgroups, sys_gettimeofday, sys_getrusage, sys_nis_syscall, sys_getcwd +/*110*/ .long sys_setresgid, sys_getresgid, sys_setregid, sys_recvmsg, sys_sendmsg +/*115*/ .long sys_getgroups, sys_gettimeofday, sys_getrusage, sys_getsockopt, sys_getcwd /*120*/ .long sys_readv, sys_writev, sys_settimeofday, sys_fchown16, sys_fchmod -/*125*/ .long sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, sys_truncate -/*130*/ .long sys_ftruncate, sys_flock, sys_lstat64, sys_nis_syscall, sys_nis_syscall -/*135*/ .long sys_nis_syscall, sys_mkdir, sys_rmdir, sys_utimes, sys_stat64 -/*140*/ .long sys_sendfile64, sys_nis_syscall, sys_futex, sys_gettid, sys_getrlimit +/*125*/ .long sys_recvfrom, sys_setreuid16, sys_setregid16, sys_rename, sys_truncate +/*130*/ .long sys_ftruncate, sys_flock, sys_lstat64, sys_sendto, sys_shutdown +/*135*/ .long sys_socketpair, sys_mkdir, sys_rmdir, sys_utimes, sys_stat64 +/*140*/ .long sys_sendfile64, sys_getpeername, sys_futex, sys_gettid, sys_getrlimit /*145*/ .long sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write -/*150*/ .long sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64 +/*150*/ .long sys_getsockname, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64 /*155*/ .long sys_fcntl64, sys_inotify_rm_watch, sys_statfs, sys_fstatfs, sys_oldumount /*160*/ .long sys_sched_setaffinity, sys_sched_getaffinity, sys_getdomainname, sys_setdomainname, sys_nis_syscall /*165*/ .long sys_quotactl, sys_set_tid_address, sys_mount, sys_ustat, sys_setxattr @@ -87,4 +87,5 @@ sys_call_table: /*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev /*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr /*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf -/*350*/ .long sys_execveat, sys_membarrier +/*350*/ .long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen +/*355*/ .long sys_setsockopt, sys_mlock2 diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index f229468..1557121 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -37,15 +37,15 @@ sys_call_table32: /*80*/ .word sys_setgroups16, sys_getpgrp, sys_setgroups, compat_sys_setitimer, sys32_ftruncate64 .word sys_swapon, compat_sys_getitimer, sys_setuid, sys_sethostname, sys_setgid /*90*/ .word sys_dup2, sys_setfsuid, compat_sys_fcntl, sys32_select, sys_setfsgid - .word sys_fsync, sys_setpriority, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall + .word sys_fsync, sys_setpriority, sys_socket, sys_connect, sys_accept /*100*/ .word sys_getpriority, sys32_rt_sigreturn, compat_sys_rt_sigaction, compat_sys_rt_sigprocmask, compat_sys_rt_sigpending .word compat_sys_rt_sigtimedwait, compat_sys_rt_sigqueueinfo, compat_sys_rt_sigsuspend, sys_setresuid, sys_getresuid -/*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall - .word sys_getgroups, compat_sys_gettimeofday, compat_sys_getrusage, sys_nis_syscall, sys_getcwd +/*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, compat_sys_recvmsg, compat_sys_sendmsg + .word sys_getgroups, compat_sys_gettimeofday, compat_sys_getrusage, compat_sys_getsockopt, sys_getcwd /*120*/ .word compat_sys_readv, compat_sys_writev, compat_sys_settimeofday, sys_fchown16, sys_fchmod - .word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, compat_sys_truncate -/*130*/ .word compat_sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall - .word sys_nis_syscall, sys_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64 + .word sys_recvfrom, sys_setreuid16, sys_setregid16, sys_rename, compat_sys_truncate +/*130*/ .word compat_sys_ftruncate, sys_flock, compat_sys_lstat64, sys_sendto, sys_shutdown + .word sys_socketpair, sys_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64 /*140*/ .word sys_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit .word compat_sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write /*150*/ .word sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64 @@ -88,7 +88,8 @@ sys_call_table32: .word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr .word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf -/*350*/ .word sys32_execveat, sys_membarrier +/*350*/ .word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen + .word compat_sys_setsockopt, sys_mlock2 #endif /* CONFIG_COMPAT */ @@ -168,4 +169,5 @@ sys_call_table: .word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf -/*350*/ .word sys64_execveat, sys_membarrier +/*350*/ .word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen + .word sys_setsockopt, sys_mlock2 diff --git a/arch/sparc/lib/NG2copy_from_user.S b/arch/sparc/lib/NG2copy_from_user.S index 119ccb9..d5242b8 100644 --- a/arch/sparc/lib/NG2copy_from_user.S +++ b/arch/sparc/lib/NG2copy_from_user.S @@ -11,6 +11,14 @@ .text; \ .align 4; +#define EX_LD_FP(x) \ +98: x; \ + .section __ex_table,"a";\ + .align 4; \ + .word 98b, __retl_one_asi_fp;\ + .text; \ + .align 4; + #ifndef ASI_AIUS #define ASI_AIUS 0x11 #endif diff --git a/arch/sparc/lib/NG2copy_to_user.S b/arch/sparc/lib/NG2copy_to_user.S index 7fe1cce..4e962d9 100644 --- a/arch/sparc/lib/NG2copy_to_user.S +++ b/arch/sparc/lib/NG2copy_to_user.S @@ -11,6 +11,14 @@ .text; \ .align 4; +#define EX_ST_FP(x) \ +98: x; \ + .section __ex_table,"a";\ + .align 4; \ + .word 98b, __retl_one_asi_fp;\ + .text; \ + .align 4; + #ifndef ASI_AIUS #define ASI_AIUS 0x11 #endif diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S index 30eee6e..d5f585d 100644 --- a/arch/sparc/lib/NG2memcpy.S +++ b/arch/sparc/lib/NG2memcpy.S @@ -34,10 +34,16 @@ #ifndef EX_LD #define EX_LD(x) x #endif +#ifndef EX_LD_FP +#define EX_LD_FP(x) x +#endif #ifndef EX_ST #define EX_ST(x) x #endif +#ifndef EX_ST_FP +#define EX_ST_FP(x) x +#endif #ifndef EX_RETVAL #define EX_RETVAL(x) x @@ -134,40 +140,40 @@ fsrc2 %x6, %f12; \ fsrc2 %x7, %f14; #define FREG_LOAD_1(base, x0) \ - EX_LD(LOAD(ldd, base + 0x00, %x0)) + EX_LD_FP(LOAD(ldd, base + 0x00, %x0)) #define FREG_LOAD_2(base, x0, x1) \ - EX_LD(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD(LOAD(ldd, base + 0x08, %x1)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); #define FREG_LOAD_3(base, x0, x1, x2) \ - EX_LD(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD(LOAD(ldd, base + 0x10, %x2)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); #define FREG_LOAD_4(base, x0, x1, x2, x3) \ - EX_LD(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD(LOAD(ldd, base + 0x10, %x2)); \ - EX_LD(LOAD(ldd, base + 0x18, %x3)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \ + EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); #define FREG_LOAD_5(base, x0, x1, x2, x3, x4) \ - EX_LD(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD(LOAD(ldd, base + 0x10, %x2)); \ - EX_LD(LOAD(ldd, base + 0x18, %x3)); \ - EX_LD(LOAD(ldd, base + 0x20, %x4)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \ + EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \ + EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); #define FREG_LOAD_6(base, x0, x1, x2, x3, x4, x5) \ - EX_LD(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD(LOAD(ldd, base + 0x10, %x2)); \ - EX_LD(LOAD(ldd, base + 0x18, %x3)); \ - EX_LD(LOAD(ldd, base + 0x20, %x4)); \ - EX_LD(LOAD(ldd, base + 0x28, %x5)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \ + EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \ + EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \ + EX_LD_FP(LOAD(ldd, base + 0x28, %x5)); #define FREG_LOAD_7(base, x0, x1, x2, x3, x4, x5, x6) \ - EX_LD(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD(LOAD(ldd, base + 0x10, %x2)); \ - EX_LD(LOAD(ldd, base + 0x18, %x3)); \ - EX_LD(LOAD(ldd, base + 0x20, %x4)); \ - EX_LD(LOAD(ldd, base + 0x28, %x5)); \ - EX_LD(LOAD(ldd, base + 0x30, %x6)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \ + EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \ + EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \ + EX_LD_FP(LOAD(ldd, base + 0x28, %x5)); \ + EX_LD_FP(LOAD(ldd, base + 0x30, %x6)); .register %g2,#scratch .register %g3,#scratch @@ -275,11 +281,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ nop /* fall through for 0 < low bits < 8 */ 110: sub %o4, 64, %g2 - EX_LD(LOAD_BLK(%g2, %f0)) -1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) - EX_LD(LOAD_BLK(%o4, %f16)) + EX_LD_FP(LOAD_BLK(%g2, %f0)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f16)) FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16) - EX_ST(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -290,10 +296,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 120: sub %o4, 56, %g2 FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12) -1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) - EX_LD(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f16)) FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18) - EX_ST(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -304,10 +310,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 130: sub %o4, 48, %g2 FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10) -1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) - EX_LD(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f16)) FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20) - EX_ST(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) FREG_MOVE_6(f20, f22, f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -318,10 +324,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 140: sub %o4, 40, %g2 FREG_LOAD_5(%g2, f0, f2, f4, f6, f8) -1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) - EX_LD(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f16)) FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22) - EX_ST(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) FREG_MOVE_5(f22, f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -332,10 +338,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 150: sub %o4, 32, %g2 FREG_LOAD_4(%g2, f0, f2, f4, f6) -1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) - EX_LD(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f16)) FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24) - EX_ST(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) FREG_MOVE_4(f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -346,10 +352,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 160: sub %o4, 24, %g2 FREG_LOAD_3(%g2, f0, f2, f4) -1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) - EX_LD(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f16)) FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26) - EX_ST(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) FREG_MOVE_3(f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -360,10 +366,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 170: sub %o4, 16, %g2 FREG_LOAD_2(%g2, f0, f2) -1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) - EX_LD(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f16)) FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28) - EX_ST(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) FREG_MOVE_2(f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -374,10 +380,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 180: sub %o4, 8, %g2 FREG_LOAD_1(%g2, f0) -1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) - EX_LD(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f16)) FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30) - EX_ST(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) FREG_MOVE_1(f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -387,10 +393,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ nop 190: -1: EX_ST(STORE_INIT(%g0, %o4 + %g3)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) subcc %g1, 64, %g1 - EX_LD(LOAD_BLK(%o4, %f0)) - EX_ST(STORE_BLK(%f0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f0)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) add %o4, 64, %o4 bne,pt %xcc, 1b LOAD(prefetch, %o4 + 64, #one_read) diff --git a/arch/sparc/lib/NG4copy_from_user.S b/arch/sparc/lib/NG4copy_from_user.S index fd9f903..2e8ee7a 100644 --- a/arch/sparc/lib/NG4copy_from_user.S +++ b/arch/sparc/lib/NG4copy_from_user.S @@ -11,6 +11,14 @@ .text; \ .align 4; +#define EX_LD_FP(x) \ +98: x; \ + .section __ex_table,"a";\ + .align 4; \ + .word 98b, __retl_one_asi_fp;\ + .text; \ + .align 4; + #ifndef ASI_AIUS #define ASI_AIUS 0x11 #endif diff --git a/arch/sparc/lib/NG4copy_to_user.S b/arch/sparc/lib/NG4copy_to_user.S index 9744c454..be0bf45 100644 --- a/arch/sparc/lib/NG4copy_to_user.S +++ b/arch/sparc/lib/NG4copy_to_user.S @@ -11,6 +11,14 @@ .text; \ .align 4; +#define EX_ST_FP(x) \ +98: x; \ + .section __ex_table,"a";\ + .align 4; \ + .word 98b, __retl_one_asi_fp;\ + .text; \ + .align 4; + #ifndef ASI_AIUS #define ASI_AIUS 0x11 #endif diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S index 83aeeb1..8e13ee1 100644 --- a/arch/sparc/lib/NG4memcpy.S +++ b/arch/sparc/lib/NG4memcpy.S @@ -48,10 +48,16 @@ #ifndef EX_LD #define EX_LD(x) x #endif +#ifndef EX_LD_FP +#define EX_LD_FP(x) x +#endif #ifndef EX_ST #define EX_ST(x) x #endif +#ifndef EX_ST_FP +#define EX_ST_FP(x) x +#endif #ifndef EX_RETVAL #define EX_RETVAL(x) x @@ -210,17 +216,17 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ sub %o2, %o4, %o2 alignaddr %o1, %g0, %g1 add %o1, %o4, %o1 - EX_LD(LOAD(ldd, %g1 + 0x00, %f0)) -1: EX_LD(LOAD(ldd, %g1 + 0x08, %f2)) + EX_LD_FP(LOAD(ldd, %g1 + 0x00, %f0)) +1: EX_LD_FP(LOAD(ldd, %g1 + 0x08, %f2)) subcc %o4, 0x40, %o4 - EX_LD(LOAD(ldd, %g1 + 0x10, %f4)) - EX_LD(LOAD(ldd, %g1 + 0x18, %f6)) - EX_LD(LOAD(ldd, %g1 + 0x20, %f8)) - EX_LD(LOAD(ldd, %g1 + 0x28, %f10)) - EX_LD(LOAD(ldd, %g1 + 0x30, %f12)) - EX_LD(LOAD(ldd, %g1 + 0x38, %f14)) + EX_LD_FP(LOAD(ldd, %g1 + 0x10, %f4)) + EX_LD_FP(LOAD(ldd, %g1 + 0x18, %f6)) + EX_LD_FP(LOAD(ldd, %g1 + 0x20, %f8)) + EX_LD_FP(LOAD(ldd, %g1 + 0x28, %f10)) + EX_LD_FP(LOAD(ldd, %g1 + 0x30, %f12)) + EX_LD_FP(LOAD(ldd, %g1 + 0x38, %f14)) faligndata %f0, %f2, %f16 - EX_LD(LOAD(ldd, %g1 + 0x40, %f0)) + EX_LD_FP(LOAD(ldd, %g1 + 0x40, %f0)) faligndata %f2, %f4, %f18 add %g1, 0x40, %g1 faligndata %f4, %f6, %f20 @@ -229,14 +235,14 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ faligndata %f10, %f12, %f26 faligndata %f12, %f14, %f28 faligndata %f14, %f0, %f30 - EX_ST(STORE(std, %f16, %o0 + 0x00)) - EX_ST(STORE(std, %f18, %o0 + 0x08)) - EX_ST(STORE(std, %f20, %o0 + 0x10)) - EX_ST(STORE(std, %f22, %o0 + 0x18)) - EX_ST(STORE(std, %f24, %o0 + 0x20)) - EX_ST(STORE(std, %f26, %o0 + 0x28)) - EX_ST(STORE(std, %f28, %o0 + 0x30)) - EX_ST(STORE(std, %f30, %o0 + 0x38)) + EX_ST_FP(STORE(std, %f16, %o0 + 0x00)) + EX_ST_FP(STORE(std, %f18, %o0 + 0x08)) + EX_ST_FP(STORE(std, %f20, %o0 + 0x10)) + EX_ST_FP(STORE(std, %f22, %o0 + 0x18)) + EX_ST_FP(STORE(std, %f24, %o0 + 0x20)) + EX_ST_FP(STORE(std, %f26, %o0 + 0x28)) + EX_ST_FP(STORE(std, %f28, %o0 + 0x30)) + EX_ST_FP(STORE(std, %f30, %o0 + 0x38)) add %o0, 0x40, %o0 bne,pt %icc, 1b LOAD(prefetch, %g1 + 0x200, #n_reads_strong) diff --git a/arch/sparc/lib/U1copy_from_user.S b/arch/sparc/lib/U1copy_from_user.S index a6ae2ea..ecc5692 100644 --- a/arch/sparc/lib/U1copy_from_user.S +++ b/arch/sparc/lib/U1copy_from_user.S @@ -11,6 +11,14 @@ .text; \ .align 4; +#define EX_LD_FP(x) \ +98: x; \ + .section __ex_table,"a";\ + .align 4; \ + .word 98b, __retl_one_fp;\ + .text; \ + .align 4; + #define FUNC_NAME ___copy_from_user #define LOAD(type,addr,dest) type##a [addr] %asi, dest #define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_AIUS, dest diff --git a/arch/sparc/lib/U1copy_to_user.S b/arch/sparc/lib/U1copy_to_user.S index f4b970e..9eea392 100644 --- a/arch/sparc/lib/U1copy_to_user.S +++ b/arch/sparc/lib/U1copy_to_user.S @@ -11,6 +11,14 @@ .text; \ .align 4; +#define EX_ST_FP(x) \ +98: x; \ + .section __ex_table,"a";\ + .align 4; \ + .word 98b, __retl_one_fp;\ + .text; \ + .align 4; + #define FUNC_NAME ___copy_to_user #define STORE(type,src,addr) type##a src, [addr] ASI_AIUS #define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_AIUS diff --git a/arch/sparc/lib/U1memcpy.S b/arch/sparc/lib/U1memcpy.S index b67142b..3e6209e 100644 --- a/arch/sparc/lib/U1memcpy.S +++ b/arch/sparc/lib/U1memcpy.S @@ -25,10 +25,16 @@ #ifndef EX_LD #define EX_LD(x) x #endif +#ifndef EX_LD_FP +#define EX_LD_FP(x) x +#endif #ifndef EX_ST #define EX_ST(x) x #endif +#ifndef EX_ST_FP +#define EX_ST_FP(x) x +#endif #ifndef EX_RETVAL #define EX_RETVAL(x) x @@ -73,8 +79,8 @@ faligndata %f8, %f9, %f62; #define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt) \ - EX_LD(LOAD_BLK(%src, %fdest)); \ - EX_ST(STORE_BLK(%fsrc, %dest)); \ + EX_LD_FP(LOAD_BLK(%src, %fdest)); \ + EX_ST_FP(STORE_BLK(%fsrc, %dest)); \ add %src, 0x40, %src; \ subcc %len, 0x40, %len; \ be,pn %xcc, jmptgt; \ @@ -89,12 +95,12 @@ #define DO_SYNC membar #Sync; #define STORE_SYNC(dest, fsrc) \ - EX_ST(STORE_BLK(%fsrc, %dest)); \ + EX_ST_FP(STORE_BLK(%fsrc, %dest)); \ add %dest, 0x40, %dest; \ DO_SYNC #define STORE_JUMP(dest, fsrc, target) \ - EX_ST(STORE_BLK(%fsrc, %dest)); \ + EX_ST_FP(STORE_BLK(%fsrc, %dest)); \ add %dest, 0x40, %dest; \ ba,pt %xcc, target; \ nop; @@ -103,7 +109,7 @@ subcc %left, 8, %left;\ bl,pn %xcc, 95f; \ faligndata %f0, %f1, %f48; \ - EX_ST(STORE(std, %f48, %dest)); \ + EX_ST_FP(STORE(std, %f48, %dest)); \ add %dest, 8, %dest; #define UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \ @@ -160,8 +166,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ and %g2, 0x38, %g2 1: subcc %g1, 0x1, %g1 - EX_LD(LOAD(ldub, %o1 + 0x00, %o3)) - EX_ST(STORE(stb, %o3, %o1 + %GLOBAL_SPARE)) + EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3)) + EX_ST_FP(STORE(stb, %o3, %o1 + %GLOBAL_SPARE)) bgu,pt %XCC, 1b add %o1, 0x1, %o1 @@ -172,20 +178,20 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ be,pt %icc, 3f alignaddr %o1, %g0, %o1 - EX_LD(LOAD(ldd, %o1, %f4)) -1: EX_LD(LOAD(ldd, %o1 + 0x8, %f6)) + EX_LD_FP(LOAD(ldd, %o1, %f4)) +1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6)) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f4, %f6, %f0 - EX_ST(STORE(std, %f0, %o0)) + EX_ST_FP(STORE(std, %f0, %o0)) be,pn %icc, 3f add %o0, 0x8, %o0 - EX_LD(LOAD(ldd, %o1 + 0x8, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4)) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f6, %f4, %f0 - EX_ST(STORE(std, %f0, %o0)) + EX_ST_FP(STORE(std, %f0, %o0)) bne,pt %icc, 1b add %o0, 0x8, %o0 @@ -208,13 +214,13 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ add %g1, %GLOBAL_SPARE, %g1 subcc %o2, %g3, %o2 - EX_LD(LOAD_BLK(%o1, %f0)) + EX_LD_FP(LOAD_BLK(%o1, %f0)) add %o1, 0x40, %o1 add %g1, %g3, %g1 - EX_LD(LOAD_BLK(%o1, %f16)) + EX_LD_FP(LOAD_BLK(%o1, %f16)) add %o1, 0x40, %o1 sub %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE - EX_LD(LOAD_BLK(%o1, %f32)) + EX_LD_FP(LOAD_BLK(%o1, %f32)) add %o1, 0x40, %o1 /* There are 8 instances of the unrolled loop, @@ -426,28 +432,28 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 62: FINISH_VISCHUNK(o0, f44, f46, g3) 63: UNEVEN_VISCHUNK_LAST(o0, f46, f0, g3) -93: EX_LD(LOAD(ldd, %o1, %f2)) +93: EX_LD_FP(LOAD(ldd, %o1, %f2)) add %o1, 8, %o1 subcc %g3, 8, %g3 faligndata %f0, %f2, %f8 - EX_ST(STORE(std, %f8, %o0)) + EX_ST_FP(STORE(std, %f8, %o0)) bl,pn %xcc, 95f add %o0, 8, %o0 - EX_LD(LOAD(ldd, %o1, %f0)) + EX_LD_FP(LOAD(ldd, %o1, %f0)) add %o1, 8, %o1 subcc %g3, 8, %g3 faligndata %f2, %f0, %f8 - EX_ST(STORE(std, %f8, %o0)) + EX_ST_FP(STORE(std, %f8, %o0)) bge,pt %xcc, 93b add %o0, 8, %o0 95: brz,pt %o2, 2f mov %g1, %o1 -1: EX_LD(LOAD(ldub, %o1, %o3)) +1: EX_LD_FP(LOAD(ldub, %o1, %o3)) add %o1, 1, %o1 subcc %o2, 1, %o2 - EX_ST(STORE(stb, %o3, %o0)) + EX_ST_FP(STORE(stb, %o3, %o0)) bne,pt %xcc, 1b add %o0, 1, %o0 diff --git a/arch/sparc/lib/U3copy_from_user.S b/arch/sparc/lib/U3copy_from_user.S index b1acd13..88ad73d 100644 --- a/arch/sparc/lib/U3copy_from_user.S +++ b/arch/sparc/lib/U3copy_from_user.S @@ -11,6 +11,14 @@ .text; \ .align 4; +#define EX_LD_FP(x) \ +98: x; \ + .section __ex_table,"a";\ + .align 4; \ + .word 98b, __retl_one_fp;\ + .text; \ + .align 4; + #define FUNC_NAME U3copy_from_user #define LOAD(type,addr,dest) type##a [addr] %asi, dest #define EX_RETVAL(x) 0 diff --git a/arch/sparc/lib/U3copy_to_user.S b/arch/sparc/lib/U3copy_to_user.S index ef1e493..845139d 100644 --- a/arch/sparc/lib/U3copy_to_user.S +++ b/arch/sparc/lib/U3copy_to_user.S @@ -11,6 +11,14 @@ .text; \ .align 4; +#define EX_ST_FP(x) \ +98: x; \ + .section __ex_table,"a";\ + .align 4; \ + .word 98b, __retl_one_fp;\ + .text; \ + .align 4; + #define FUNC_NAME U3copy_to_user #define STORE(type,src,addr) type##a src, [addr] ASI_AIUS #define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_AIUS diff --git a/arch/sparc/lib/U3memcpy.S b/arch/sparc/lib/U3memcpy.S index 7cae9cc..491ee69 100644 --- a/arch/sparc/lib/U3memcpy.S +++ b/arch/sparc/lib/U3memcpy.S @@ -24,10 +24,16 @@ #ifndef EX_LD #define EX_LD(x) x #endif +#ifndef EX_LD_FP +#define EX_LD_FP(x) x +#endif #ifndef EX_ST #define EX_ST(x) x #endif +#ifndef EX_ST_FP +#define EX_ST_FP(x) x +#endif #ifndef EX_RETVAL #define EX_RETVAL(x) x @@ -120,8 +126,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ and %g2, 0x38, %g2 1: subcc %g1, 0x1, %g1 - EX_LD(LOAD(ldub, %o1 + 0x00, %o3)) - EX_ST(STORE(stb, %o3, %o1 + GLOBAL_SPARE)) + EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3)) + EX_ST_FP(STORE(stb, %o3, %o1 + GLOBAL_SPARE)) bgu,pt %XCC, 1b add %o1, 0x1, %o1 @@ -132,20 +138,20 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ be,pt %icc, 3f alignaddr %o1, %g0, %o1 - EX_LD(LOAD(ldd, %o1, %f4)) -1: EX_LD(LOAD(ldd, %o1 + 0x8, %f6)) + EX_LD_FP(LOAD(ldd, %o1, %f4)) +1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6)) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f4, %f6, %f0 - EX_ST(STORE(std, %f0, %o0)) + EX_ST_FP(STORE(std, %f0, %o0)) be,pn %icc, 3f add %o0, 0x8, %o0 - EX_LD(LOAD(ldd, %o1 + 0x8, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4)) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f6, %f4, %f2 - EX_ST(STORE(std, %f2, %o0)) + EX_ST_FP(STORE(std, %f2, %o0)) bne,pt %icc, 1b add %o0, 0x8, %o0 @@ -155,25 +161,25 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ LOAD(prefetch, %o1 + 0x080, #one_read) LOAD(prefetch, %o1 + 0x0c0, #one_read) LOAD(prefetch, %o1 + 0x100, #one_read) - EX_LD(LOAD(ldd, %o1 + 0x000, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x000, %f0)) LOAD(prefetch, %o1 + 0x140, #one_read) - EX_LD(LOAD(ldd, %o1 + 0x008, %f2)) + EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2)) LOAD(prefetch, %o1 + 0x180, #one_read) - EX_LD(LOAD(ldd, %o1 + 0x010, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4)) LOAD(prefetch, %o1 + 0x1c0, #one_read) faligndata %f0, %f2, %f16 - EX_LD(LOAD(ldd, %o1 + 0x018, %f6)) + EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6)) faligndata %f2, %f4, %f18 - EX_LD(LOAD(ldd, %o1 + 0x020, %f8)) + EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8)) faligndata %f4, %f6, %f20 - EX_LD(LOAD(ldd, %o1 + 0x028, %f10)) + EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10)) faligndata %f6, %f8, %f22 - EX_LD(LOAD(ldd, %o1 + 0x030, %f12)) + EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12)) faligndata %f8, %f10, %f24 - EX_LD(LOAD(ldd, %o1 + 0x038, %f14)) + EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14)) faligndata %f10, %f12, %f26 - EX_LD(LOAD(ldd, %o1 + 0x040, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0)) subcc GLOBAL_SPARE, 0x80, GLOBAL_SPARE add %o1, 0x40, %o1 @@ -184,26 +190,26 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ .align 64 1: - EX_LD(LOAD(ldd, %o1 + 0x008, %f2)) + EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2)) faligndata %f12, %f14, %f28 - EX_LD(LOAD(ldd, %o1 + 0x010, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4)) faligndata %f14, %f0, %f30 - EX_ST(STORE_BLK(%f16, %o0)) - EX_LD(LOAD(ldd, %o1 + 0x018, %f6)) + EX_ST_FP(STORE_BLK(%f16, %o0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6)) faligndata %f0, %f2, %f16 add %o0, 0x40, %o0 - EX_LD(LOAD(ldd, %o1 + 0x020, %f8)) + EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8)) faligndata %f2, %f4, %f18 - EX_LD(LOAD(ldd, %o1 + 0x028, %f10)) + EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10)) faligndata %f4, %f6, %f20 - EX_LD(LOAD(ldd, %o1 + 0x030, %f12)) + EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12)) subcc %o3, 0x01, %o3 faligndata %f6, %f8, %f22 - EX_LD(LOAD(ldd, %o1 + 0x038, %f14)) + EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14)) faligndata %f8, %f10, %f24 - EX_LD(LOAD(ldd, %o1 + 0x040, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0)) LOAD(prefetch, %o1 + 0x1c0, #one_read) faligndata %f10, %f12, %f26 bg,pt %XCC, 1b @@ -211,29 +217,29 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ /* Finally we copy the last full 64-byte block. */ 2: - EX_LD(LOAD(ldd, %o1 + 0x008, %f2)) + EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2)) faligndata %f12, %f14, %f28 - EX_LD(LOAD(ldd, %o1 + 0x010, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4)) faligndata %f14, %f0, %f30 - EX_ST(STORE_BLK(%f16, %o0)) - EX_LD(LOAD(ldd, %o1 + 0x018, %f6)) + EX_ST_FP(STORE_BLK(%f16, %o0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6)) faligndata %f0, %f2, %f16 - EX_LD(LOAD(ldd, %o1 + 0x020, %f8)) + EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8)) faligndata %f2, %f4, %f18 - EX_LD(LOAD(ldd, %o1 + 0x028, %f10)) + EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10)) faligndata %f4, %f6, %f20 - EX_LD(LOAD(ldd, %o1 + 0x030, %f12)) + EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12)) faligndata %f6, %f8, %f22 - EX_LD(LOAD(ldd, %o1 + 0x038, %f14)) + EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14)) faligndata %f8, %f10, %f24 cmp %g1, 0 be,pt %XCC, 1f add %o0, 0x40, %o0 - EX_LD(LOAD(ldd, %o1 + 0x040, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0)) 1: faligndata %f10, %f12, %f26 faligndata %f12, %f14, %f28 faligndata %f14, %f0, %f30 - EX_ST(STORE_BLK(%f16, %o0)) + EX_ST_FP(STORE_BLK(%f16, %o0)) add %o0, 0x40, %o0 add %o1, 0x40, %o1 membar #Sync @@ -253,20 +259,20 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ sub %o2, %g2, %o2 be,a,pt %XCC, 1f - EX_LD(LOAD(ldd, %o1 + 0x00, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x00, %f0)) -1: EX_LD(LOAD(ldd, %o1 + 0x08, %f2)) +1: EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f2)) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f0, %f2, %f8 - EX_ST(STORE(std, %f8, %o0)) + EX_ST_FP(STORE(std, %f8, %o0)) be,pn %XCC, 2f add %o0, 0x8, %o0 - EX_LD(LOAD(ldd, %o1 + 0x08, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f0)) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f2, %f0, %f8 - EX_ST(STORE(std, %f8, %o0)) + EX_ST_FP(STORE(std, %f8, %o0)) bne,pn %XCC, 1b add %o0, 0x8, %o0 diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c index 22564f5..3e6e05a 100644 --- a/arch/sparc/net/bpf_jit_comp.c +++ b/arch/sparc/net/bpf_jit_comp.c @@ -420,22 +420,9 @@ void bpf_jit_compile(struct bpf_prog *fp) } emit_reg_move(O7, r_saved_O7); - switch (filter[0].code) { - case BPF_RET | BPF_K: - case BPF_LD | BPF_W | BPF_LEN: - case BPF_LD | BPF_W | BPF_ABS: - case BPF_LD | BPF_H | BPF_ABS: - case BPF_LD | BPF_B | BPF_ABS: - /* The first instruction sets the A register (or is - * a "RET 'constant'") - */ - break; - default: - /* Make sure we dont leak kernel information to the - * user. - */ + /* Make sure we dont leak kernel information to the user. */ + if (bpf_needs_clear_a(&filter[0])) emit_clear(r_A); /* A = 0 */ - } for (i = 0; i < flen; i++) { unsigned int K = filter[i].k; diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index 106c21b..8ec7a45 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -176,8 +176,6 @@ config NR_CPUS smaller kernel memory footprint results from using a smaller value on chips with fewer tiles. -if TILEGX - choice prompt "Kernel page size" default PAGE_SIZE_64KB @@ -188,8 +186,11 @@ choice connections, etc., it may be better to select 16KB, which uses memory more efficiently at some cost in TLB performance. - Note that this option is TILE-Gx specific; currently - TILEPro page size is set by rebuilding the hypervisor. + Note that for TILEPro, you must also rebuild the hypervisor + with a matching page size. + +config PAGE_SIZE_4KB + bool "4KB" if TILEPRO config PAGE_SIZE_16KB bool "16KB" @@ -199,8 +200,6 @@ config PAGE_SIZE_64KB endchoice -endif - source "kernel/Kconfig.hz" config KEXEC diff --git a/arch/tile/include/asm/page.h b/arch/tile/include/asm/page.h index a213a8d..8eca6a0 100644 --- a/arch/tile/include/asm/page.h +++ b/arch/tile/include/asm/page.h @@ -20,15 +20,17 @@ #include <arch/chip.h> /* PAGE_SHIFT and HPAGE_SHIFT determine the page sizes. */ -#if defined(CONFIG_PAGE_SIZE_16KB) +#if defined(CONFIG_PAGE_SIZE_4KB) /* tilepro only */ +#define PAGE_SHIFT 12 +#define CTX_PAGE_FLAG HV_CTX_PG_SM_4K +#elif defined(CONFIG_PAGE_SIZE_16KB) #define PAGE_SHIFT 14 #define CTX_PAGE_FLAG HV_CTX_PG_SM_16K #elif defined(CONFIG_PAGE_SIZE_64KB) #define PAGE_SHIFT 16 #define CTX_PAGE_FLAG HV_CTX_PG_SM_64K #else -#define PAGE_SHIFT HV_LOG2_DEFAULT_PAGE_SIZE_SMALL -#define CTX_PAGE_FLAG 0 +#error Page size not specified in Kconfig #endif #define HPAGE_SHIFT HV_LOG2_DEFAULT_PAGE_SIZE_LARGE diff --git a/arch/tile/kernel/perf_event.c b/arch/tile/kernel/perf_event.c index bb509ce..8767060 100644 --- a/arch/tile/kernel/perf_event.c +++ b/arch/tile/kernel/perf_event.c @@ -21,7 +21,7 @@ * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar * Copyright (C) 2009 Jaswinder Singh Rajput * Copyright (C) 2009 Advanced Micro Devices, Inc., Robert Richter - * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra * Copyright (C) 2009 Intel Corporation, <markus.t.metzger@intel.com> * Copyright (C) 2009 Google, Inc., Stephane Eranian */ diff --git a/arch/um/Makefile b/arch/um/Makefile index 25ed409..e3abe6f 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -131,7 +131,7 @@ export LDS_ELF_FORMAT := $(ELF_FORMAT) # The wrappers will select whether using "malloc" or the kernel allocator. LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc -LD_FLAGS_CMDLINE = $(foreach opt,$(LDFLAGS),-Wl,$(opt)) -lrt +LD_FLAGS_CMDLINE = $(foreach opt,$(LDFLAGS),-Wl,$(opt)) # Used by link-vmlinux.sh which has special support for um link export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAPS) $(LD_FLAGS_CMDLINE) diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c index e697a41..e9f8445 100644 --- a/arch/um/drivers/net_user.c +++ b/arch/um/drivers/net_user.c @@ -249,21 +249,23 @@ void close_addr(unsigned char *addr, unsigned char *netmask, void *arg) char *split_if_spec(char *str, ...) { - char **arg, *end; + char **arg, *end, *ret = NULL; va_list ap; va_start(ap, str); while ((arg = va_arg(ap, char **)) != NULL) { if (*str == '\0') - return NULL; + goto out; end = strchr(str, ','); if (end != str) *arg = str; if (end == NULL) - return NULL; + goto out; *end++ = '\0'; str = end; } + ret = str; +out: va_end(ap); - return str; + return ret; } diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index 57acbd6..fc8be0e 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -69,7 +69,7 @@ void do_signal(struct pt_regs *regs) struct ksignal ksig; int handled_sig = 0; - while (get_signal(&ksig)) { + if (get_signal(&ksig)) { handled_sig = 1; /* Whee! Actually deliver the signal. */ handle_signal(&ksig, regs); diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index db3622f..790aa3e 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -523,9 +523,10 @@ config X86_INTEL_QUARK config X86_INTEL_LPSS bool "Intel Low Power Subsystem Support" - depends on ACPI + depends on X86 && ACPI select COMMON_CLK select PINCTRL + select IOSF_MBI ---help--- Select to build support for Intel Low Power Subsystem such as found on Intel Lynxpoint PCH. Selecting this option enables diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index a89fdbc..0366374 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -421,7 +421,7 @@ __visible long do_fast_syscall_32(struct pt_regs *regs) regs->ip = landing_pad; /* - * Fetch ECX from where the vDSO stashed it. + * Fetch EBP from where the vDSO stashed it. * * WARNING: We are in CONTEXT_USER and RCU isn't paying attention! */ @@ -432,10 +432,10 @@ __visible long do_fast_syscall_32(struct pt_regs *regs) * Micro-optimization: the pointer we're following is explicitly * 32 bits, so it can't be out of range. */ - __get_user(*(u32 *)®s->cx, + __get_user(*(u32 *)®s->bp, (u32 __user __force *)(unsigned long)(u32)regs->sp) #else - get_user(*(u32 *)®s->cx, + get_user(*(u32 *)®s->bp, (u32 __user __force *)(unsigned long)(u32)regs->sp) #endif ) { diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 3eb572e..f3b6d54 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -292,7 +292,7 @@ ENTRY(entry_SYSENTER_32) movl TSS_sysenter_sp0(%esp), %esp sysenter_past_esp: pushl $__USER_DS /* pt_regs->ss */ - pushl %ecx /* pt_regs->cx */ + pushl %ebp /* pt_regs->sp (stashed in bp) */ pushfl /* pt_regs->flags (except IF = 0) */ orl $X86_EFLAGS_IF, (%esp) /* Fix IF */ pushl $__USER_CS /* pt_regs->cs */ @@ -308,8 +308,9 @@ sysenter_past_esp: movl %esp, %eax call do_fast_syscall_32 - testl %eax, %eax - jz .Lsyscall_32_done + /* XEN PV guests always use IRET path */ + ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \ + "jmp .Lsyscall_32_done", X86_FEATURE_XENPV /* Opportunistic SYSEXIT */ TRACE_IRQS_ON /* User mode traces as IRQs on. */ diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index c320183..6a1ae37 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -63,7 +63,7 @@ ENTRY(entry_SYSENTER_compat) /* Construct struct pt_regs on stack */ pushq $__USER32_DS /* pt_regs->ss */ - pushq %rcx /* pt_regs->sp */ + pushq %rbp /* pt_regs->sp (stashed in bp) */ /* * Push flags. This is nasty. First, interrupts are currently @@ -82,14 +82,14 @@ ENTRY(entry_SYSENTER_compat) pushq %rdi /* pt_regs->di */ pushq %rsi /* pt_regs->si */ pushq %rdx /* pt_regs->dx */ - pushq %rcx /* pt_regs->cx (will be overwritten) */ + pushq %rcx /* pt_regs->cx */ pushq $-ENOSYS /* pt_regs->ax */ pushq %r8 /* pt_regs->r8 = 0 */ pushq %r8 /* pt_regs->r9 = 0 */ pushq %r8 /* pt_regs->r10 = 0 */ pushq %r8 /* pt_regs->r11 = 0 */ pushq %rbx /* pt_regs->rbx */ - pushq %rbp /* pt_regs->rbp */ + pushq %rbp /* pt_regs->rbp (will be overwritten) */ pushq %r8 /* pt_regs->r12 = 0 */ pushq %r8 /* pt_regs->r13 = 0 */ pushq %r8 /* pt_regs->r14 = 0 */ @@ -121,8 +121,9 @@ sysenter_flags_fixed: movq %rsp, %rdi call do_fast_syscall_32 - testl %eax, %eax - jz .Lsyscall_32_done + /* XEN PV guests always use IRET path */ + ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \ + "jmp .Lsyscall_32_done", X86_FEATURE_XENPV jmp sysret32_from_system_call sysenter_fix_flags: @@ -178,7 +179,7 @@ ENTRY(entry_SYSCALL_compat) pushq %rdi /* pt_regs->di */ pushq %rsi /* pt_regs->si */ pushq %rdx /* pt_regs->dx */ - pushq %rcx /* pt_regs->cx (will be overwritten) */ + pushq %rbp /* pt_regs->cx (stashed in bp) */ pushq $-ENOSYS /* pt_regs->ax */ xorq %r8,%r8 pushq %r8 /* pt_regs->r8 = 0 */ @@ -186,7 +187,7 @@ ENTRY(entry_SYSCALL_compat) pushq %r8 /* pt_regs->r10 = 0 */ pushq %r8 /* pt_regs->r11 = 0 */ pushq %rbx /* pt_regs->rbx */ - pushq %rbp /* pt_regs->rbp */ + pushq %rbp /* pt_regs->rbp (will be overwritten) */ pushq %r8 /* pt_regs->r12 = 0 */ pushq %r8 /* pt_regs->r13 = 0 */ pushq %r8 /* pt_regs->r14 = 0 */ @@ -200,8 +201,9 @@ ENTRY(entry_SYSCALL_compat) movq %rsp, %rdi call do_fast_syscall_32 - testl %eax, %eax - jz .Lsyscall_32_done + /* XEN PV guests always use IRET path */ + ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \ + "jmp .Lsyscall_32_done", X86_FEATURE_XENPV /* Opportunistic SYSRET */ sysret32_from_system_call: diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S index 93bd845..3a1d929 100644 --- a/arch/x86/entry/vdso/vdso32/system_call.S +++ b/arch/x86/entry/vdso/vdso32/system_call.S @@ -1,5 +1,5 @@ /* - * Code for the vDSO. This version uses the old int $0x80 method. + * AT_SYSINFO entry point */ #include <asm/dwarf2.h> @@ -21,35 +21,67 @@ __kernel_vsyscall: /* * Reshuffle regs so that all of any of the entry instructions * will preserve enough state. + * + * A really nice entry sequence would be: + * pushl %edx + * pushl %ecx + * movl %esp, %ecx + * + * Unfortunately, naughty Android versions between July and December + * 2015 actually hardcode the traditional Linux SYSENTER entry + * sequence. That is severely broken for a number of reasons (ask + * anyone with an AMD CPU, for example). Nonetheless, we try to keep + * it working approximately as well as it ever worked. + * + * This link may eludicate some of the history: + * https://android-review.googlesource.com/#/q/Iac3295376d61ef83e713ac9b528f3b50aa780cd7 + * personally, I find it hard to understand what's going on there. + * + * Note to future user developers: DO NOT USE SYSENTER IN YOUR CODE. + * Execute an indirect call to the address in the AT_SYSINFO auxv + * entry. That is the ONLY correct way to make a fast 32-bit system + * call on Linux. (Open-coding int $0x80 is also fine, but it's + * slow.) */ + pushl %ecx + CFI_ADJUST_CFA_OFFSET 4 + CFI_REL_OFFSET ecx, 0 pushl %edx CFI_ADJUST_CFA_OFFSET 4 CFI_REL_OFFSET edx, 0 - pushl %ecx + pushl %ebp CFI_ADJUST_CFA_OFFSET 4 - CFI_REL_OFFSET ecx, 0 - movl %esp, %ecx + CFI_REL_OFFSET ebp, 0 + + #define SYSENTER_SEQUENCE "movl %esp, %ebp; sysenter" + #define SYSCALL_SEQUENCE "movl %ecx, %ebp; syscall" #ifdef CONFIG_X86_64 /* If SYSENTER (Intel) or SYSCALL32 (AMD) is available, use it. */ - ALTERNATIVE_2 "", "sysenter", X86_FEATURE_SYSENTER32, \ - "syscall", X86_FEATURE_SYSCALL32 + ALTERNATIVE_2 "", SYSENTER_SEQUENCE, X86_FEATURE_SYSENTER32, \ + SYSCALL_SEQUENCE, X86_FEATURE_SYSCALL32 #else - ALTERNATIVE "", "sysenter", X86_FEATURE_SEP + ALTERNATIVE "", SYSENTER_SEQUENCE, X86_FEATURE_SEP #endif /* Enter using int $0x80 */ - movl (%esp), %ecx int $0x80 GLOBAL(int80_landing_pad) - /* Restore ECX and EDX in case they were clobbered. */ - popl %ecx - CFI_RESTORE ecx + /* + * Restore EDX and ECX in case they were clobbered. EBP is not + * clobbered (the kernel restores it), but it's cleaner and + * probably faster to pop it than to adjust ESP using addl. + */ + popl %ebp + CFI_RESTORE ebp CFI_ADJUST_CFA_OFFSET -4 popl %edx CFI_RESTORE edx CFI_ADJUST_CFA_OFFSET -4 + popl %ecx + CFI_RESTORE ecx + CFI_ADJUST_CFA_OFFSET -4 ret CFI_ENDPROC diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index e4f8010..f7ba9fb 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -216,6 +216,7 @@ #define X86_FEATURE_PAUSEFILTER ( 8*32+13) /* AMD filtered pause intercept */ #define X86_FEATURE_PFTHRESHOLD ( 8*32+14) /* AMD pause filter threshold */ #define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */ +#define X86_FEATURE_XENPV ( 8*32+16) /* "" Xen paravirtual guest */ /* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */ diff --git a/arch/x86/include/asm/iosf_mbi.h b/arch/x86/include/asm/iosf_mbi.h index b72ad0f..b41ee16 100644 --- a/arch/x86/include/asm/iosf_mbi.h +++ b/arch/x86/include/asm/iosf_mbi.h @@ -1,5 +1,5 @@ /* - * iosf_mbi.h: Intel OnChip System Fabric MailBox access support + * Intel OnChip System Fabric MailBox access support */ #ifndef IOSF_MBI_SYMS_H @@ -16,6 +16,18 @@ #define MBI_MASK_LO 0x000000FF #define MBI_ENABLE 0xF0 +/* IOSF SB read/write opcodes */ +#define MBI_MMIO_READ 0x00 +#define MBI_MMIO_WRITE 0x01 +#define MBI_CFG_READ 0x04 +#define MBI_CFG_WRITE 0x05 +#define MBI_CR_READ 0x06 +#define MBI_CR_WRITE 0x07 +#define MBI_REG_READ 0x10 +#define MBI_REG_WRITE 0x11 +#define MBI_ESRAM_READ 0x12 +#define MBI_ESRAM_WRITE 0x13 + /* Baytrail available units */ #define BT_MBI_UNIT_AUNIT 0x00 #define BT_MBI_UNIT_SMC 0x01 @@ -28,50 +40,13 @@ #define BT_MBI_UNIT_SATA 0xA3 #define BT_MBI_UNIT_PCIE 0xA6 -/* Baytrail read/write opcodes */ -#define BT_MBI_AUNIT_READ 0x10 -#define BT_MBI_AUNIT_WRITE 0x11 -#define BT_MBI_SMC_READ 0x10 -#define BT_MBI_SMC_WRITE 0x11 -#define BT_MBI_CPU_READ 0x10 -#define BT_MBI_CPU_WRITE 0x11 -#define BT_MBI_BUNIT_READ 0x10 -#define BT_MBI_BUNIT_WRITE 0x11 -#define BT_MBI_PMC_READ 0x06 -#define BT_MBI_PMC_WRITE 0x07 -#define BT_MBI_GFX_READ 0x00 -#define BT_MBI_GFX_WRITE 0x01 -#define BT_MBI_SMIO_READ 0x06 -#define BT_MBI_SMIO_WRITE 0x07 -#define BT_MBI_USB_READ 0x06 -#define BT_MBI_USB_WRITE 0x07 -#define BT_MBI_SATA_READ 0x00 -#define BT_MBI_SATA_WRITE 0x01 -#define BT_MBI_PCIE_READ 0x00 -#define BT_MBI_PCIE_WRITE 0x01 - /* Quark available units */ #define QRK_MBI_UNIT_HBA 0x00 #define QRK_MBI_UNIT_HB 0x03 #define QRK_MBI_UNIT_RMU 0x04 #define QRK_MBI_UNIT_MM 0x05 -#define QRK_MBI_UNIT_MMESRAM 0x05 #define QRK_MBI_UNIT_SOC 0x31 -/* Quark read/write opcodes */ -#define QRK_MBI_HBA_READ 0x10 -#define QRK_MBI_HBA_WRITE 0x11 -#define QRK_MBI_HB_READ 0x10 -#define QRK_MBI_HB_WRITE 0x11 -#define QRK_MBI_RMU_READ 0x10 -#define QRK_MBI_RMU_WRITE 0x11 -#define QRK_MBI_MM_READ 0x10 -#define QRK_MBI_MM_WRITE 0x11 -#define QRK_MBI_MMESRAM_READ 0x12 -#define QRK_MBI_MMESRAM_WRITE 0x13 -#define QRK_MBI_SOC_READ 0x06 -#define QRK_MBI_SOC_WRITE 0x07 - #if IS_ENABLED(CONFIG_IOSF_MBI) bool iosf_mbi_available(void); diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 10d0596..c759b3c 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -19,6 +19,12 @@ static inline int paravirt_enabled(void) return pv_info.paravirt_enabled; } +static inline int paravirt_has_feature(unsigned int feature) +{ + WARN_ON_ONCE(!pv_info.paravirt_enabled); + return (pv_info.features & feature); +} + static inline void load_sp0(struct tss_struct *tss, struct thread_struct *thread) { diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 31247b5..3d44191 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -70,9 +70,14 @@ struct pv_info { #endif int paravirt_enabled; + unsigned int features; /* valid only if paravirt_enabled is set */ const char *name; }; +#define paravirt_has(x) paravirt_has_feature(PV_SUPPORTED_##x) +/* Supported features */ +#define PV_SUPPORTED_RTC (1<<0) + struct pv_init_ops { /* * Patch may replace one of the defined code sequences with diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 6752225..2d5a50c 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -472,6 +472,7 @@ static inline unsigned long current_top_of_stack(void) #else #define __cpuid native_cpuid #define paravirt_enabled() 0 +#define paravirt_has(x) 0 static inline void load_sp0(struct tss_struct *tss, struct thread_struct *thread) diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c index 38dd5ef..2bd2292 100644 --- a/arch/x86/kernel/apic/apic_numachip.c +++ b/arch/x86/kernel/apic/apic_numachip.c @@ -193,20 +193,17 @@ static int __init numachip_system_init(void) case 1: init_extra_mapping_uc(NUMACHIP_LCSR_BASE, NUMACHIP_LCSR_SIZE); numachip_apic_icr_write = numachip1_apic_icr_write; - x86_init.pci.arch_init = pci_numachip_init; break; case 2: init_extra_mapping_uc(NUMACHIP2_LCSR_BASE, NUMACHIP2_LCSR_SIZE); numachip_apic_icr_write = numachip2_apic_icr_write; - - /* Use MCFG config cycles rather than locked CF8 cycles */ - raw_pci_ops = &pci_mmcfg; break; default: return 0; } x86_cpuinit.fixup_cpu_id = fixup_cpu_id; + x86_init.pci.arch_init = pci_numachip_init; return 0; } diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index c5b0d56..7e8a736 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -999,6 +999,17 @@ void do_machine_check(struct pt_regs *regs, long error_code) int flags = MF_ACTION_REQUIRED; int lmce = 0; + /* If this CPU is offline, just bail out. */ + if (cpu_is_offline(smp_processor_id())) { + u64 mcgstatus; + + mcgstatus = mce_rdmsrl(MSR_IA32_MCG_STATUS); + if (mcgstatus & MCG_STATUS_RIPV) { + mce_wrmsrl(MSR_IA32_MCG_STATUS, 0); + return; + } + } + ist_enter(regs); this_cpu_inc(mce_exception_count); diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 4562cf0..2bf79d7 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -5,7 +5,7 @@ * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar * Copyright (C) 2009 Jaswinder Singh Rajput * Copyright (C) 2009 Advanced Micro Devices, Inc., Robert Richter - * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra * Copyright (C) 2009 Intel Corporation, <markus.t.metzger@intel.com> * Copyright (C) 2009 Google, Inc., Stephane Eranian * diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 499f533..d0e35eb 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -5,7 +5,7 @@ * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar * Copyright (C) 2009 Jaswinder Singh Rajput * Copyright (C) 2009 Advanced Micro Devices, Inc., Robert Richter - * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra * Copyright (C) 2009 Intel Corporation, <markus.t.metzger@intel.com> * Copyright (C) 2009 Google, Inc., Stephane Eranian * @@ -387,7 +387,7 @@ struct cpu_hw_events { /* Check flags and event code/umask, and set the HSW N/A flag */ #define INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_NA(code, n) \ __EVENT_CONSTRAINT(code, n, \ - INTEL_ARCH_EVENT_MASK|INTEL_ARCH_EVENT_MASK, \ + INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \ HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_NA_HSW) @@ -627,6 +627,7 @@ struct x86_perf_task_context { u64 lbr_from[MAX_LBR_ENTRIES]; u64 lbr_to[MAX_LBR_ENTRIES]; u64 lbr_info[MAX_LBR_ENTRIES]; + int tos; int lbr_callstack_users; int lbr_stack_state; }; diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index f63360b..e2a4300 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -232,7 +232,7 @@ static struct event_constraint intel_hsw_event_constraints[] = { FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */ FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */ FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */ - INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.* */ + INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */ INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */ INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */ /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */ diff --git a/arch/x86/kernel/cpu/perf_event_intel_cqm.c b/arch/x86/kernel/cpu/perf_event_intel_cqm.c index 377e8f8..a316ca9 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_cqm.c +++ b/arch/x86/kernel/cpu/perf_event_intel_cqm.c @@ -298,7 +298,7 @@ static bool __match_event(struct perf_event *a, struct perf_event *b) static inline struct perf_cgroup *event_to_cgroup(struct perf_event *event) { if (event->attach_state & PERF_ATTACH_TASK) - return perf_cgroup_from_task(event->hw.target); + return perf_cgroup_from_task(event->hw.target, event->ctx); return event->cgrp; } diff --git a/arch/x86/kernel/cpu/perf_event_intel_lbr.c b/arch/x86/kernel/cpu/perf_event_intel_lbr.c index bfd0b71..659f01e 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_lbr.c +++ b/arch/x86/kernel/cpu/perf_event_intel_lbr.c @@ -239,7 +239,7 @@ static void __intel_pmu_lbr_restore(struct x86_perf_task_context *task_ctx) } mask = x86_pmu.lbr_nr - 1; - tos = intel_pmu_lbr_tos(); + tos = task_ctx->tos; for (i = 0; i < tos; i++) { lbr_idx = (tos - i) & mask; wrmsrl(x86_pmu.lbr_from + lbr_idx, task_ctx->lbr_from[i]); @@ -247,6 +247,7 @@ static void __intel_pmu_lbr_restore(struct x86_perf_task_context *task_ctx) if (x86_pmu.intel_cap.lbr_format == LBR_FORMAT_INFO) wrmsrl(MSR_LBR_INFO_0 + lbr_idx, task_ctx->lbr_info[i]); } + wrmsrl(x86_pmu.lbr_tos, tos); task_ctx->lbr_stack_state = LBR_NONE; } @@ -270,6 +271,7 @@ static void __intel_pmu_lbr_save(struct x86_perf_task_context *task_ctx) if (x86_pmu.intel_cap.lbr_format == LBR_FORMAT_INFO) rdmsrl(MSR_LBR_INFO_0 + lbr_idx, task_ctx->lbr_info[i]); } + task_ctx->tos = tos; task_ctx->lbr_stack_state = LBR_VALID; } diff --git a/arch/x86/kernel/irq_work.c b/arch/x86/kernel/irq_work.c index dc5fa6a..3512ba6 100644 --- a/arch/x86/kernel/irq_work.c +++ b/arch/x86/kernel/irq_work.c @@ -1,7 +1,7 @@ /* * x86 specific code for irq_work * - * Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra */ #include <linux/kernel.h> diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c index cd96852..4af8d06 100644 --- a/arch/x86/kernel/rtc.c +++ b/arch/x86/kernel/rtc.c @@ -200,6 +200,9 @@ static __init int add_rtc_cmos(void) } #endif + if (paravirt_enabled() && !paravirt_has(RTC)) + return -ENODEV; + platform_device_register(&rtc_device); dev_info(&rtc_device.dev, "registered platform RTC device (no PNP device found)\n"); diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h index 06332cb..3f5c48d 100644 --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -38,6 +38,14 @@ static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu) return best && (best->ecx & bit(X86_FEATURE_XSAVE)); } +static inline bool guest_cpuid_has_mtrr(struct kvm_vcpu *vcpu) +{ + struct kvm_cpuid_entry2 *best; + + best = kvm_find_cpuid_entry(vcpu, 1, 0); + return best && (best->edx & bit(X86_FEATURE_MTRR)); +} + static inline bool guest_cpuid_has_tsc_adjust(struct kvm_vcpu *vcpu) { struct kvm_cpuid_entry2 *best; diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 08116ff..b0ea42b 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -420,6 +420,7 @@ void kvm_pit_load_count(struct kvm *kvm, int channel, u32 val, int hpet_legacy_s u8 saved_mode; if (hpet_legacy_start) { /* save existing mode for later reenablement */ + WARN_ON(channel != 0); saved_mode = kvm->arch.vpit->pit_state.channels[0].mode; kvm->arch.vpit->pit_state.channels[0].mode = 0xff; /* disable timer */ pit_load_count(kvm, channel, val); diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c index 9e8bf13..3f8c732 100644 --- a/arch/x86/kvm/mtrr.c +++ b/arch/x86/kvm/mtrr.c @@ -120,14 +120,22 @@ static u8 mtrr_default_type(struct kvm_mtrr *mtrr_state) return mtrr_state->deftype & IA32_MTRR_DEF_TYPE_TYPE_MASK; } -static u8 mtrr_disabled_type(void) +static u8 mtrr_disabled_type(struct kvm_vcpu *vcpu) { /* * Intel SDM 11.11.2.2: all MTRRs are disabled when * IA32_MTRR_DEF_TYPE.E bit is cleared, and the UC * memory type is applied to all of physical memory. + * + * However, virtual machines can be run with CPUID such that + * there are no MTRRs. In that case, the firmware will never + * enable MTRRs and it is obviously undesirable to run the + * guest entirely with UC memory and we use WB. */ - return MTRR_TYPE_UNCACHABLE; + if (guest_cpuid_has_mtrr(vcpu)) + return MTRR_TYPE_UNCACHABLE; + else + return MTRR_TYPE_WRBACK; } /* @@ -267,7 +275,7 @@ static int fixed_mtrr_addr_to_seg(u64 addr) for (seg = 0; seg < seg_num; seg++) { mtrr_seg = &fixed_seg_table[seg]; - if (mtrr_seg->start >= addr && addr < mtrr_seg->end) + if (mtrr_seg->start <= addr && addr < mtrr_seg->end) return seg; } @@ -300,7 +308,6 @@ static void var_mtrr_range(struct kvm_mtrr_range *range, u64 *start, u64 *end) *start = range->base & PAGE_MASK; mask = range->mask & PAGE_MASK; - mask |= ~0ULL << boot_cpu_data.x86_phys_bits; /* This cannot overflow because writing to the reserved bits of * variable MTRRs causes a #GP. @@ -356,10 +363,14 @@ static void set_var_mtrr_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data) if (var_mtrr_range_is_valid(cur)) list_del(&mtrr_state->var_ranges[index].node); + /* Extend the mask with all 1 bits to the left, since those + * bits must implicitly be 0. The bits are then cleared + * when reading them. + */ if (!is_mtrr_mask) cur->base = data; else - cur->mask = data; + cur->mask = data | (-1LL << cpuid_maxphyaddr(vcpu)); /* add it to the list if it's enabled. */ if (var_mtrr_range_is_valid(cur)) { @@ -426,6 +437,8 @@ int kvm_mtrr_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) *pdata = vcpu->arch.mtrr_state.var_ranges[index].base; else *pdata = vcpu->arch.mtrr_state.var_ranges[index].mask; + + *pdata &= (1ULL << cpuid_maxphyaddr(vcpu)) - 1; } return 0; @@ -670,7 +683,7 @@ u8 kvm_mtrr_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn) } if (iter.mtrr_disabled) - return mtrr_disabled_type(); + return mtrr_disabled_type(vcpu); /* not contained in any MTRRs. */ if (type == -1) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 83a1c64..899c40f 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3422,6 +3422,8 @@ static int handle_exit(struct kvm_vcpu *vcpu) struct kvm_run *kvm_run = vcpu->run; u32 exit_code = svm->vmcb->control.exit_code; + trace_kvm_exit(exit_code, vcpu, KVM_ISA_SVM); + if (!is_cr_intercept(svm, INTERCEPT_CR0_WRITE)) vcpu->arch.cr0 = svm->vmcb->save.cr0; if (npt_enabled) @@ -3892,8 +3894,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp; vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip; - trace_kvm_exit(svm->vmcb->control.exit_code, vcpu, KVM_ISA_SVM); - if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI)) kvm_before_handle_nmi(&svm->vcpu); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index af823a3..44976a5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2803,7 +2803,7 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) msr_info->data = vcpu->arch.ia32_xss; break; case MSR_TSC_AUX: - if (!guest_cpuid_has_rdtscp(vcpu)) + if (!guest_cpuid_has_rdtscp(vcpu) && !msr_info->host_initiated) return 1; /* Otherwise falls through */ default: @@ -2909,7 +2909,7 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) clear_atomic_switch_msr(vmx, MSR_IA32_XSS); break; case MSR_TSC_AUX: - if (!guest_cpuid_has_rdtscp(vcpu)) + if (!guest_cpuid_has_rdtscp(vcpu) && !msr_info->host_initiated) return 1; /* Check reserved bit, higher 32 bits should be zero */ if ((data >> 32) != 0) @@ -8042,6 +8042,8 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu) u32 exit_reason = vmx->exit_reason; u32 vectoring_info = vmx->idt_vectoring_info; + trace_kvm_exit(exit_reason, vcpu, KVM_ISA_VMX); + /* * Flush logged GPAs PML buffer, this will make dirty_bitmap more * updated. Another good is, in kvm_vm_ioctl_get_dirty_log, before @@ -8668,7 +8670,6 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) vmx->loaded_vmcs->launched = 1; vmx->exit_reason = vmcs_read32(VM_EXIT_REASON); - trace_kvm_exit(vmx->exit_reason, vcpu, KVM_ISA_VMX); /* * the KVM_REQ_EVENT optimization bit is only on for one entry, and if diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index eed3228..97592e1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3572,9 +3572,11 @@ static int kvm_vm_ioctl_get_pit(struct kvm *kvm, struct kvm_pit_state *ps) static int kvm_vm_ioctl_set_pit(struct kvm *kvm, struct kvm_pit_state *ps) { + int i; mutex_lock(&kvm->arch.vpit->pit_state.lock); memcpy(&kvm->arch.vpit->pit_state, ps, sizeof(struct kvm_pit_state)); - kvm_pit_load_count(kvm, 0, ps->channels[0].count, 0); + for (i = 0; i < 3; i++) + kvm_pit_load_count(kvm, i, ps->channels[i].count, 0); mutex_unlock(&kvm->arch.vpit->pit_state.lock); return 0; } @@ -3593,6 +3595,7 @@ static int kvm_vm_ioctl_get_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps) static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps) { int start = 0; + int i; u32 prev_legacy, cur_legacy; mutex_lock(&kvm->arch.vpit->pit_state.lock); prev_legacy = kvm->arch.vpit->pit_state.flags & KVM_PIT_FLAGS_HPET_LEGACY; @@ -3602,7 +3605,9 @@ static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps) memcpy(&kvm->arch.vpit->pit_state.channels, &ps->channels, sizeof(kvm->arch.vpit->pit_state.channels)); kvm->arch.vpit->pit_state.flags = ps->flags; - kvm_pit_load_count(kvm, 0, kvm->arch.vpit->pit_state.channels[0].count, start); + for (i = 0; i < 3; i++) + kvm_pit_load_count(kvm, i, kvm->arch.vpit->pit_state.channels[i].count, + start && i == 0); mutex_unlock(&kvm->arch.vpit->pit_state.lock); return 0; } @@ -6515,6 +6520,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) if (req_immediate_exit) smp_send_reschedule(vcpu->cpu); + trace_kvm_entry(vcpu->vcpu_id); + wait_lapic_expire(vcpu); __kvm_guest_enter(); if (unlikely(vcpu->arch.switch_db_regs)) { @@ -6527,8 +6534,6 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; } - trace_kvm_entry(vcpu->vcpu_id); - wait_lapic_expire(vcpu); kvm_x86_ops->run(vcpu); /* diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index a0d09f6..a43b2ea 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -1414,6 +1414,7 @@ __init void lguest_init(void) pv_info.kernel_rpl = 1; /* Everyone except Xen runs with this set. */ pv_info.shared_kernel_pmd = 1; + pv_info.features = 0; /* * We set up all the lguest overrides for sensitive operations. These diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index a035c2a..0f1c6fc 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -89,7 +89,7 @@ static struct addr_marker address_markers[] = { { 0/* VMALLOC_START */, "vmalloc() Area" }, { 0/*VMALLOC_END*/, "vmalloc() End" }, # ifdef CONFIG_HIGHMEM - { 0/*PKMAP_BASE*/, "Persisent kmap() Area" }, + { 0/*PKMAP_BASE*/, "Persistent kmap() Area" }, # endif { 0/*FIXADDR_START*/, "Fixmap Area" }, #endif diff --git a/arch/x86/platform/atom/punit_atom_debug.c b/arch/x86/platform/atom/punit_atom_debug.c index 5ca8ead..81c769e 100644 --- a/arch/x86/platform/atom/punit_atom_debug.c +++ b/arch/x86/platform/atom/punit_atom_debug.c @@ -25,8 +25,6 @@ #include <asm/cpu_device_id.h> #include <asm/iosf_mbi.h> -/* Side band Interface port */ -#define PUNIT_PORT 0x04 /* Power gate status reg */ #define PWRGT_STATUS 0x61 /* Subsystem config/status Video processor */ @@ -85,9 +83,8 @@ static int punit_dev_state_show(struct seq_file *seq_file, void *unused) seq_puts(seq_file, "\n\nPUNIT NORTH COMPLEX DEVICES :\n"); while (punit_devp->name) { - status = iosf_mbi_read(PUNIT_PORT, BT_MBI_PMC_READ, - punit_devp->reg, - &punit_pwr_status); + status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, + punit_devp->reg, &punit_pwr_status); if (status) { seq_printf(seq_file, "%9s : Read Failed\n", punit_devp->name); diff --git a/arch/x86/platform/intel-quark/imr.c b/arch/x86/platform/intel-quark/imr.c index 0ee619f..c1bdafa 100644 --- a/arch/x86/platform/intel-quark/imr.c +++ b/arch/x86/platform/intel-quark/imr.c @@ -111,23 +111,19 @@ static int imr_read(struct imr_device *idev, u32 imr_id, struct imr_regs *imr) u32 reg = imr_id * IMR_NUM_REGS + idev->reg_base; int ret; - ret = iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ, - reg++, &imr->addr_lo); + ret = iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->addr_lo); if (ret) return ret; - ret = iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ, - reg++, &imr->addr_hi); + ret = iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->addr_hi); if (ret) return ret; - ret = iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ, - reg++, &imr->rmask); + ret = iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->rmask); if (ret) return ret; - return iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ, - reg++, &imr->wmask); + return iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->wmask); } /** @@ -151,31 +147,27 @@ static int imr_write(struct imr_device *idev, u32 imr_id, local_irq_save(flags); - ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE, reg++, - imr->addr_lo); + ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->addr_lo); if (ret) goto failed; - ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE, - reg++, imr->addr_hi); + ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->addr_hi); if (ret) goto failed; - ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE, - reg++, imr->rmask); + ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->rmask); if (ret) goto failed; - ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE, - reg++, imr->wmask); + ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->wmask); if (ret) goto failed; /* Lock bit must be set separately to addr_lo address bits. */ if (lock) { imr->addr_lo |= IMR_LOCK; - ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE, - reg - IMR_NUM_REGS, imr->addr_lo); + ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, + reg - IMR_NUM_REGS, imr->addr_lo); if (ret) goto failed; } diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c index 06934a8..14fcd01 100644 --- a/arch/x86/um/signal.c +++ b/arch/x86/um/signal.c @@ -211,7 +211,7 @@ static int copy_sc_from_user(struct pt_regs *regs, if (err) return 1; - err = convert_fxsr_from_user(&fpx, sc.fpstate); + err = convert_fxsr_from_user(&fpx, (void *)sc.fpstate); if (err) return 1; @@ -227,7 +227,7 @@ static int copy_sc_from_user(struct pt_regs *regs, { struct user_i387_struct fp; - err = copy_from_user(&fp, sc.fpstate, + err = copy_from_user(&fp, (void *)sc.fpstate, sizeof(struct user_i387_struct)); if (err) return 1; @@ -291,7 +291,7 @@ static int copy_sc_to_user(struct sigcontext __user *to, #endif #undef PUTREG sc.oldmask = mask; - sc.fpstate = to_fp; + sc.fpstate = (unsigned long)to_fp; err = copy_to_user(to, &sc, sizeof(struct sigcontext)); if (err) @@ -468,12 +468,10 @@ long sys_sigreturn(void) struct sigframe __user *frame = (struct sigframe __user *)(sp - 8); sigset_t set; struct sigcontext __user *sc = &frame->sc; - unsigned long __user *oldmask = &sc->oldmask; - unsigned long __user *extramask = frame->extramask; int sig_size = (_NSIG_WORDS - 1) * sizeof(unsigned long); - if (copy_from_user(&set.sig[0], oldmask, sizeof(set.sig[0])) || - copy_from_user(&set.sig[1], extramask, sig_size)) + if (copy_from_user(&set.sig[0], &sc->oldmask, sizeof(set.sig[0])) || + copy_from_user(&set.sig[1], frame->extramask, sig_size)) goto segfault; set_current_blocked(&set); @@ -505,6 +503,7 @@ int setup_signal_stack_si(unsigned long stack_top, struct ksignal *ksig, { struct rt_sigframe __user *frame; int err = 0, sig = ksig->sig; + unsigned long fp_to; frame = (struct rt_sigframe __user *) round_down(stack_top - sizeof(struct rt_sigframe), 16); @@ -526,7 +525,10 @@ int setup_signal_stack_si(unsigned long stack_top, struct ksignal *ksig, err |= __save_altstack(&frame->uc.uc_stack, PT_REGS_SP(regs)); err |= copy_sc_to_user(&frame->uc.uc_mcontext, &frame->fpstate, regs, set->sig[0]); - err |= __put_user(&frame->fpstate, &frame->uc.uc_mcontext.fpstate); + + fp_to = (unsigned long)&frame->fpstate; + + err |= __put_user(fp_to, &frame->uc.uc_mcontext.fpstate); if (sizeof(*set) == 16) { err |= __put_user(set->sig[0], &frame->uc.uc_sigmask.sig[0]); err |= __put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]); diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 5774800..b7de78b 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1192,7 +1192,7 @@ static const struct pv_info xen_info __initconst = { #ifdef CONFIG_X86_64 .extra_user_64bit_cs = FLAT_USER_CS64, #endif - + .features = 0, .name = "Xen", }; @@ -1535,6 +1535,8 @@ asmlinkage __visible void __init xen_start_kernel(void) /* Install Xen paravirt ops */ pv_info = xen_info; + if (xen_initial_domain()) + pv_info.features |= PV_SUPPORTED_RTC; pv_init_ops = xen_init_ops; pv_apic_ops = xen_apic_ops; if (!xen_pvh_domain()) { @@ -1886,8 +1888,10 @@ EXPORT_SYMBOL_GPL(xen_hvm_need_lapic); static void xen_set_cpu_features(struct cpuinfo_x86 *c) { - if (xen_pv_domain()) + if (xen_pv_domain()) { clear_cpu_bug(c, X86_BUG_SYSRET_SS_ATTRS); + set_cpu_cap(c, X86_FEATURE_XENPV); + } } const struct hypervisor_x86 x86_hyper_xen = { diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index ac161db..cb5e266 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -2495,14 +2495,9 @@ void __init xen_init_mmu_ops(void) { x86_init.paging.pagetable_init = xen_pagetable_init; - /* Optimization - we can use the HVM one but it has no idea which - * VCPUs are descheduled - which means that it will needlessly IPI - * them. Xen knows so let it do the job. - */ - if (xen_feature(XENFEAT_auto_translated_physmap)) { - pv_mmu_ops.flush_tlb_others = xen_flush_tlb_others; + if (xen_feature(XENFEAT_auto_translated_physmap)) return; - } + pv_mmu_ops = xen_mmu_ops; memset(dummy_mapping, 0xff, PAGE_SIZE); diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c index feddabd..df0c405 100644 --- a/arch/x86/xen/suspend.c +++ b/arch/x86/xen/suspend.c @@ -1,6 +1,7 @@ #include <linux/types.h> #include <linux/tick.h> +#include <xen/xen.h> #include <xen/interface/xen.h> #include <xen/grant_table.h> #include <xen/events.h> @@ -68,26 +69,16 @@ static void xen_pv_post_suspend(int suspend_cancelled) void xen_arch_pre_suspend(void) { - int cpu; - - for_each_online_cpu(cpu) - xen_pmu_finish(cpu); - if (xen_pv_domain()) xen_pv_pre_suspend(); } void xen_arch_post_suspend(int cancelled) { - int cpu; - if (xen_pv_domain()) xen_pv_post_suspend(cancelled); else xen_hvm_post_suspend(cancelled); - - for_each_online_cpu(cpu) - xen_pmu_init(cpu); } static void xen_vcpu_notify_restore(void *data) @@ -106,10 +97,20 @@ static void xen_vcpu_notify_suspend(void *data) void xen_arch_resume(void) { + int cpu; + on_each_cpu(xen_vcpu_notify_restore, NULL, 1); + + for_each_online_cpu(cpu) + xen_pmu_init(cpu); } void xen_arch_suspend(void) { + int cpu; + + for_each_online_cpu(cpu) + xen_pmu_finish(cpu); + on_each_cpu(xen_vcpu_notify_suspend, NULL, 1); } diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 5bcdfc1..5a37188 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1127,15 +1127,15 @@ void blkcg_exit_queue(struct request_queue *q) * of the main cic data structures. For now we allow a task to change * its cgroup only if it's the only owner of its ioc. */ -static int blkcg_can_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static int blkcg_can_attach(struct cgroup_taskset *tset) { struct task_struct *task; + struct cgroup_subsys_state *dst_css; struct io_context *ioc; int ret = 0; /* task_lock() is needed to avoid races with exit_io_context() */ - cgroup_taskset_for_each(task, tset) { + cgroup_taskset_for_each(task, dst_css, tset) { task_lock(task); ioc = task->io_context; if (ioc && atomic_read(&ioc->nr_tasks) > 1) diff --git a/block/blk-core.c b/block/blk-core.c index a0af404..33e2f62 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -207,6 +207,22 @@ void blk_delay_queue(struct request_queue *q, unsigned long msecs) EXPORT_SYMBOL(blk_delay_queue); /** + * blk_start_queue_async - asynchronously restart a previously stopped queue + * @q: The &struct request_queue in question + * + * Description: + * blk_start_queue_async() will clear the stop flag on the queue, and + * ensure that the request_fn for the queue is run from an async + * context. + **/ +void blk_start_queue_async(struct request_queue *q) +{ + queue_flag_clear(QUEUE_FLAG_STOPPED, q); + blk_run_queue_async(q); +} +EXPORT_SYMBOL(blk_start_queue_async); + +/** * blk_start_queue - restart a previously stopped queue * @q: The &struct request_queue in question * @@ -1689,8 +1705,6 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio) struct request *req; unsigned int request_count = 0; - blk_queue_split(q, &bio, q->bio_split); - /* * low level driver can indicate that it wants pages above a * certain limit bounced to low memory (ie for highmem, or even @@ -1698,6 +1712,8 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio) */ blk_queue_bounce(q, &bio); + blk_queue_split(q, &bio, q->bio_split); + if (bio_integrity_enabled(bio) && bio_integrity_prep(bio)) { bio->bi_error = -EIO; bio_endio(bio); @@ -3405,6 +3421,9 @@ int blk_pre_runtime_suspend(struct request_queue *q) { int ret = 0; + if (!q->dev) + return ret; + spin_lock_irq(q->queue_lock); if (q->nr_pending) { ret = -EBUSY; @@ -3432,6 +3451,9 @@ EXPORT_SYMBOL(blk_pre_runtime_suspend); */ void blk_post_runtime_suspend(struct request_queue *q, int err) { + if (!q->dev) + return; + spin_lock_irq(q->queue_lock); if (!err) { q->rpm_status = RPM_SUSPENDED; @@ -3456,6 +3478,9 @@ EXPORT_SYMBOL(blk_post_runtime_suspend); */ void blk_pre_runtime_resume(struct request_queue *q) { + if (!q->dev) + return; + spin_lock_irq(q->queue_lock); q->rpm_status = RPM_RESUMING; spin_unlock_irq(q->queue_lock); @@ -3478,6 +3503,9 @@ EXPORT_SYMBOL(blk_pre_runtime_resume); */ void blk_post_runtime_resume(struct request_queue *q, int err) { + if (!q->dev) + return; + spin_lock_irq(q->queue_lock); if (!err) { q->rpm_status = RPM_ACTIVE; diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index b4ffc5b..e5b5721 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -277,12 +277,12 @@ static int ablkcipher_walk_first(struct ablkcipher_request *req, if (WARN_ON_ONCE(in_irq())) return -EDEADLK; + walk->iv = req->info; walk->nbytes = walk->total; if (unlikely(!walk->total)) return 0; walk->iv_buffer = NULL; - walk->iv = req->info; if (unlikely(((unsigned long)walk->iv & alignmask))) { int err = ablkcipher_copy_iv(walk, tfm, alignmask); diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index ca9efe1..634b4d1 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -47,7 +47,7 @@ struct skcipher_ctx { bool merge; bool enc; - struct ablkcipher_request req; + struct skcipher_request req; }; struct skcipher_async_rsgl { @@ -64,13 +64,13 @@ struct skcipher_async_req { }; #define GET_SREQ(areq, ctx) (struct skcipher_async_req *)((char *)areq + \ - crypto_ablkcipher_reqsize(crypto_ablkcipher_reqtfm(&ctx->req))) + crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req))) #define GET_REQ_SIZE(ctx) \ - crypto_ablkcipher_reqsize(crypto_ablkcipher_reqtfm(&ctx->req)) + crypto_skcipher_reqsize(crypto_skcipher_reqtfm(&ctx->req)) #define GET_IV_SIZE(ctx) \ - crypto_ablkcipher_ivsize(crypto_ablkcipher_reqtfm(&ctx->req)) + crypto_skcipher_ivsize(crypto_skcipher_reqtfm(&ctx->req)) #define MAX_SGL_ENTS ((4096 - sizeof(struct skcipher_sg_list)) / \ sizeof(struct scatterlist) - 1) @@ -302,8 +302,8 @@ static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg, struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); struct skcipher_ctx *ctx = ask->private; - struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req); - unsigned ivsize = crypto_ablkcipher_ivsize(tfm); + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req); + unsigned ivsize = crypto_skcipher_ivsize(tfm); struct skcipher_sg_list *sgl; struct af_alg_control con = {}; long copied = 0; @@ -507,7 +507,7 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg, struct skcipher_sg_list *sgl; struct scatterlist *sg; struct skcipher_async_req *sreq; - struct ablkcipher_request *req; + struct skcipher_request *req; struct skcipher_async_rsgl *last_rsgl = NULL; unsigned int txbufs = 0, len = 0, tx_nents = skcipher_all_sg_nents(ctx); unsigned int reqlen = sizeof(struct skcipher_async_req) + @@ -531,9 +531,9 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg, } sg_init_table(sreq->tsg, tx_nents); memcpy(sreq->iv, ctx->iv, GET_IV_SIZE(ctx)); - ablkcipher_request_set_tfm(req, crypto_ablkcipher_reqtfm(&ctx->req)); - ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, - skcipher_async_cb, sk); + skcipher_request_set_tfm(req, crypto_skcipher_reqtfm(&ctx->req)); + skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, + skcipher_async_cb, sk); while (iov_iter_count(&msg->msg_iter)) { struct skcipher_async_rsgl *rsgl; @@ -608,10 +608,10 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg, if (mark) sg_mark_end(sreq->tsg + txbufs - 1); - ablkcipher_request_set_crypt(req, sreq->tsg, sreq->first_sgl.sgl.sg, - len, sreq->iv); - err = ctx->enc ? crypto_ablkcipher_encrypt(req) : - crypto_ablkcipher_decrypt(req); + skcipher_request_set_crypt(req, sreq->tsg, sreq->first_sgl.sgl.sg, + len, sreq->iv); + err = ctx->enc ? crypto_skcipher_encrypt(req) : + crypto_skcipher_decrypt(req); if (err == -EINPROGRESS) { atomic_inc(&ctx->inflight); err = -EIOCBQUEUED; @@ -632,7 +632,7 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg, struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); struct skcipher_ctx *ctx = ask->private; - unsigned bs = crypto_ablkcipher_blocksize(crypto_ablkcipher_reqtfm( + unsigned bs = crypto_skcipher_blocksize(crypto_skcipher_reqtfm( &ctx->req)); struct skcipher_sg_list *sgl; struct scatterlist *sg; @@ -669,14 +669,13 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg, if (!used) goto free; - ablkcipher_request_set_crypt(&ctx->req, sg, - ctx->rsgl.sg, used, - ctx->iv); + skcipher_request_set_crypt(&ctx->req, sg, ctx->rsgl.sg, used, + ctx->iv); err = af_alg_wait_for_completion( ctx->enc ? - crypto_ablkcipher_encrypt(&ctx->req) : - crypto_ablkcipher_decrypt(&ctx->req), + crypto_skcipher_encrypt(&ctx->req) : + crypto_skcipher_decrypt(&ctx->req), &ctx->completion); free: @@ -751,17 +750,17 @@ static struct proto_ops algif_skcipher_ops = { static void *skcipher_bind(const char *name, u32 type, u32 mask) { - return crypto_alloc_ablkcipher(name, type, mask); + return crypto_alloc_skcipher(name, type, mask); } static void skcipher_release(void *private) { - crypto_free_ablkcipher(private); + crypto_free_skcipher(private); } static int skcipher_setkey(void *private, const u8 *key, unsigned int keylen) { - return crypto_ablkcipher_setkey(private, key, keylen); + return crypto_skcipher_setkey(private, key, keylen); } static void skcipher_wait(struct sock *sk) @@ -778,13 +777,13 @@ static void skcipher_sock_destruct(struct sock *sk) { struct alg_sock *ask = alg_sk(sk); struct skcipher_ctx *ctx = ask->private; - struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req); + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(&ctx->req); if (atomic_read(&ctx->inflight)) skcipher_wait(sk); skcipher_free_sgl(sk); - sock_kzfree_s(sk, ctx->iv, crypto_ablkcipher_ivsize(tfm)); + sock_kzfree_s(sk, ctx->iv, crypto_skcipher_ivsize(tfm)); sock_kfree_s(sk, ctx, ctx->len); af_alg_release_parent(sk); } @@ -793,20 +792,20 @@ static int skcipher_accept_parent(void *private, struct sock *sk) { struct skcipher_ctx *ctx; struct alg_sock *ask = alg_sk(sk); - unsigned int len = sizeof(*ctx) + crypto_ablkcipher_reqsize(private); + unsigned int len = sizeof(*ctx) + crypto_skcipher_reqsize(private); ctx = sock_kmalloc(sk, len, GFP_KERNEL); if (!ctx) return -ENOMEM; - ctx->iv = sock_kmalloc(sk, crypto_ablkcipher_ivsize(private), + ctx->iv = sock_kmalloc(sk, crypto_skcipher_ivsize(private), GFP_KERNEL); if (!ctx->iv) { sock_kfree_s(sk, ctx, len); return -ENOMEM; } - memset(ctx->iv, 0, crypto_ablkcipher_ivsize(private)); + memset(ctx->iv, 0, crypto_skcipher_ivsize(private)); INIT_LIST_HEAD(&ctx->tsgl); ctx->len = len; @@ -819,9 +818,9 @@ static int skcipher_accept_parent(void *private, struct sock *sk) ask->private = ctx; - ablkcipher_request_set_tfm(&ctx->req, private); - ablkcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG, - af_alg_complete, &ctx->completion); + skcipher_request_set_tfm(&ctx->req, private); + skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG, + af_alg_complete, &ctx->completion); sk->sk_destruct = skcipher_sock_destruct; diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index f8c0b8d..88bc8e6 100644 --- a/crypto/async_tx/async_memcpy.c +++ b/crypto/async_tx/async_memcpy.c @@ -53,7 +53,7 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, struct dmaengine_unmap_data *unmap = NULL; if (device) - unmap = dmaengine_get_unmap_data(device->dev, 2, GFP_NOIO); + unmap = dmaengine_get_unmap_data(device->dev, 2, GFP_NOWAIT); if (unmap && is_dma_copy_aligned(device, src_offset, dest_offset, len)) { unsigned long dma_prep_flags = 0; diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c index 5d355e0..c0748bb 100644 --- a/crypto/async_tx/async_pq.c +++ b/crypto/async_tx/async_pq.c @@ -188,7 +188,7 @@ async_gen_syndrome(struct page **blocks, unsigned int offset, int disks, BUG_ON(disks > 255 || !(P(blocks, disks) || Q(blocks, disks))); if (device) - unmap = dmaengine_get_unmap_data(device->dev, disks, GFP_NOIO); + unmap = dmaengine_get_unmap_data(device->dev, disks, GFP_NOWAIT); /* XORing P/Q is only implemented in software */ if (unmap && !(submit->flags & ASYNC_TX_PQ_XOR_DST) && @@ -307,7 +307,7 @@ async_syndrome_val(struct page **blocks, unsigned int offset, int disks, BUG_ON(disks < 4); if (device) - unmap = dmaengine_get_unmap_data(device->dev, disks, GFP_NOIO); + unmap = dmaengine_get_unmap_data(device->dev, disks, GFP_NOWAIT); if (unmap && disks <= dma_maxpq(device, 0) && is_dma_pq_aligned(device, offset, 0, len)) { diff --git a/crypto/async_tx/async_raid6_recov.c b/crypto/async_tx/async_raid6_recov.c index 934a849..8fab627 100644 --- a/crypto/async_tx/async_raid6_recov.c +++ b/crypto/async_tx/async_raid6_recov.c @@ -41,7 +41,7 @@ async_sum_product(struct page *dest, struct page **srcs, unsigned char *coef, u8 *a, *b, *c; if (dma) - unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOIO); + unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOWAIT); if (unmap) { struct device *dev = dma->dev; @@ -105,7 +105,7 @@ async_mult(struct page *dest, struct page *src, u8 coef, size_t len, u8 *d, *s; if (dma) - unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOIO); + unmap = dmaengine_get_unmap_data(dma->dev, 3, GFP_NOWAIT); if (unmap) { dma_addr_t dma_dest[2]; diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c index e1bce26..da75777 100644 --- a/crypto/async_tx/async_xor.c +++ b/crypto/async_tx/async_xor.c @@ -182,7 +182,7 @@ async_xor(struct page *dest, struct page **src_list, unsigned int offset, BUG_ON(src_cnt <= 1); if (device) - unmap = dmaengine_get_unmap_data(device->dev, src_cnt+1, GFP_NOIO); + unmap = dmaengine_get_unmap_data(device->dev, src_cnt+1, GFP_NOWAIT); if (unmap && is_dma_xor_aligned(device, offset, 0, len)) { struct dma_async_tx_descriptor *tx; @@ -278,7 +278,7 @@ async_xor_val(struct page *dest, struct page **src_list, unsigned int offset, BUG_ON(src_cnt <= 1); if (device) - unmap = dmaengine_get_unmap_data(device->dev, src_cnt, GFP_NOIO); + unmap = dmaengine_get_unmap_data(device->dev, src_cnt, GFP_NOWAIT); if (unmap && src_cnt <= device->max_xor && is_dma_xor_aligned(device, offset, 0, len)) { diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index 11b9814..8cc1622 100644 --- a/crypto/blkcipher.c +++ b/crypto/blkcipher.c @@ -326,12 +326,12 @@ static int blkcipher_walk_first(struct blkcipher_desc *desc, if (WARN_ON_ONCE(in_irq())) return -EDEADLK; + walk->iv = desc->info; walk->nbytes = walk->total; if (unlikely(!walk->total)) return 0; walk->buffer = NULL; - walk->iv = desc->info; if (unlikely(((unsigned long)walk->iv & walk->alignmask))) { int err = blkcipher_copy_iv(walk); if (err) diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 5eef4cb..82b96ee 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -58,14 +58,25 @@ config ACPI_CCA_REQUIRED bool config ACPI_DEBUGGER - bool "AML debugger interface (EXPERIMENTAL)" + bool "AML debugger interface" select ACPI_DEBUG help - Enable in-kernel debugging of AML facilities: statistics, internal - object dump, single step control method execution. + Enable in-kernel debugging of AML facilities: statistics, + internal object dump, single step control method execution. This is still under development, currently enabling this only results in the compilation of the ACPICA debugger files. +if ACPI_DEBUGGER + +config ACPI_DEBUGGER_USER + tristate "Userspace debugger accessiblity" + depends on DEBUG_FS + help + Export /sys/kernel/debug/acpi/acpidbg for userspace utilities + to access the debugger functionalities. + +endif + config ACPI_SLEEP bool depends on SUSPEND || HIBERNATION diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 675eaf3..cb648a4 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -8,13 +8,13 @@ ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT # # ACPI Boot-Time Table Parsing # -obj-y += tables.o +obj-$(CONFIG_ACPI) += tables.o obj-$(CONFIG_X86) += blacklist.o # # ACPI Core Subsystem (Interpreter) # -obj-y += acpi.o \ +obj-$(CONFIG_ACPI) += acpi.o \ acpica/ # All the builtin files are in the "acpi." module_param namespace. @@ -66,10 +66,10 @@ obj-$(CONFIG_ACPI_FAN) += fan.o obj-$(CONFIG_ACPI_VIDEO) += video.o obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o obj-$(CONFIG_ACPI_PROCESSOR) += processor.o -obj-y += container.o +obj-$(CONFIG_ACPI) += container.o obj-$(CONFIG_ACPI_THERMAL) += thermal.o obj-$(CONFIG_ACPI_NFIT) += nfit.o -obj-y += acpi_memhotplug.o +obj-$(CONFIG_ACPI) += acpi_memhotplug.o obj-$(CONFIG_ACPI_HOTPLUG_IOAPIC) += ioapic.o obj-$(CONFIG_ACPI_BATTERY) += battery.o obj-$(CONFIG_ACPI_SBS) += sbshc.o @@ -79,6 +79,7 @@ obj-$(CONFIG_ACPI_EC_DEBUGFS) += ec_sys.o obj-$(CONFIG_ACPI_CUSTOM_METHOD)+= custom_method.o obj-$(CONFIG_ACPI_BGRT) += bgrt.o obj-$(CONFIG_ACPI_CPPC_LIB) += cppc_acpi.o +obj-$(CONFIG_ACPI_DEBUGGER_USER) += acpi_dbg.o # processor has its own "processor." module_param namespace processor-y := processor_driver.o diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index a450e7a..d507cf6 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -51,7 +51,7 @@ struct apd_private_data { const struct apd_device_desc *dev_desc; }; -#ifdef CONFIG_X86_AMD_PLATFORM_DEVICE +#if defined(CONFIG_X86_AMD_PLATFORM_DEVICE) || defined(CONFIG_ARM64) #define APD_ADDR(desc) ((unsigned long)&desc) static int acpi_apd_setup(struct apd_private_data *pdata) @@ -71,6 +71,7 @@ static int acpi_apd_setup(struct apd_private_data *pdata) return 0; } +#ifdef CONFIG_X86_AMD_PLATFORM_DEVICE static struct apd_device_desc cz_i2c_desc = { .setup = acpi_apd_setup, .fixed_clk_rate = 133000000, @@ -80,6 +81,14 @@ static struct apd_device_desc cz_uart_desc = { .setup = acpi_apd_setup, .fixed_clk_rate = 48000000, }; +#endif + +#ifdef CONFIG_ARM64 +static struct apd_device_desc xgene_i2c_desc = { + .setup = acpi_apd_setup, + .fixed_clk_rate = 100000000, +}; +#endif #else @@ -132,9 +141,14 @@ static int acpi_apd_create_device(struct acpi_device *adev, static const struct acpi_device_id acpi_apd_device_ids[] = { /* Generic apd devices */ +#ifdef CONFIG_X86_AMD_PLATFORM_DEVICE { "AMD0010", APD_ADDR(cz_i2c_desc) }, { "AMD0020", APD_ADDR(cz_uart_desc) }, { "AMD0030", }, +#endif +#ifdef CONFIG_ARM64 + { "APMC0D0F", APD_ADDR(xgene_i2c_desc) }, +#endif { } }; diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c new file mode 100644 index 0000000..15e4604 --- /dev/null +++ b/drivers/acpi/acpi_dbg.c @@ -0,0 +1,804 @@ +/* + * ACPI AML interfacing support + * + * Copyright (C) 2015, Intel Corporation + * Authors: Lv Zheng <lv.zheng@intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* #define DEBUG */ +#define pr_fmt(fmt) "ACPI : AML: " fmt + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/wait.h> +#include <linux/poll.h> +#include <linux/sched.h> +#include <linux/kthread.h> +#include <linux/proc_fs.h> +#include <linux/debugfs.h> +#include <linux/circ_buf.h> +#include <linux/acpi.h> +#include "internal.h" + +#define ACPI_AML_BUF_ALIGN (sizeof (acpi_size)) +#define ACPI_AML_BUF_SIZE PAGE_SIZE + +#define circ_count(circ) \ + (CIRC_CNT((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) +#define circ_count_to_end(circ) \ + (CIRC_CNT_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) +#define circ_space(circ) \ + (CIRC_SPACE((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) +#define circ_space_to_end(circ) \ + (CIRC_SPACE_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) + +#define ACPI_AML_OPENED 0x0001 +#define ACPI_AML_CLOSED 0x0002 +#define ACPI_AML_IN_USER 0x0004 /* user space is writing cmd */ +#define ACPI_AML_IN_KERN 0x0008 /* kernel space is reading cmd */ +#define ACPI_AML_OUT_USER 0x0010 /* user space is reading log */ +#define ACPI_AML_OUT_KERN 0x0020 /* kernel space is writing log */ +#define ACPI_AML_USER (ACPI_AML_IN_USER | ACPI_AML_OUT_USER) +#define ACPI_AML_KERN (ACPI_AML_IN_KERN | ACPI_AML_OUT_KERN) +#define ACPI_AML_BUSY (ACPI_AML_USER | ACPI_AML_KERN) +#define ACPI_AML_OPEN (ACPI_AML_OPENED | ACPI_AML_CLOSED) + +struct acpi_aml_io { + wait_queue_head_t wait; + unsigned long flags; + unsigned long users; + struct mutex lock; + struct task_struct *thread; + char out_buf[ACPI_AML_BUF_SIZE] __aligned(ACPI_AML_BUF_ALIGN); + struct circ_buf out_crc; + char in_buf[ACPI_AML_BUF_SIZE] __aligned(ACPI_AML_BUF_ALIGN); + struct circ_buf in_crc; + acpi_osd_exec_callback function; + void *context; + unsigned long usages; +}; + +static struct acpi_aml_io acpi_aml_io; +static bool acpi_aml_initialized; +static struct file *acpi_aml_active_reader; +static struct dentry *acpi_aml_dentry; + +static inline bool __acpi_aml_running(void) +{ + return acpi_aml_io.thread ? true : false; +} + +static inline bool __acpi_aml_access_ok(unsigned long flag) +{ + /* + * The debugger interface is in opened state (OPENED && !CLOSED), + * then it is allowed to access the debugger buffers from either + * user space or the kernel space. + * In addition, for the kernel space, only the debugger thread + * (thread ID matched) is allowed to access. + */ + if (!(acpi_aml_io.flags & ACPI_AML_OPENED) || + (acpi_aml_io.flags & ACPI_AML_CLOSED) || + !__acpi_aml_running()) + return false; + if ((flag & ACPI_AML_KERN) && + current != acpi_aml_io.thread) + return false; + return true; +} + +static inline bool __acpi_aml_readable(struct circ_buf *circ, unsigned long flag) +{ + /* + * Another read is not in progress and there is data in buffer + * available for read. + */ + if (!(acpi_aml_io.flags & flag) && circ_count(circ)) + return true; + return false; +} + +static inline bool __acpi_aml_writable(struct circ_buf *circ, unsigned long flag) +{ + /* + * Another write is not in progress and there is buffer space + * available for write. + */ + if (!(acpi_aml_io.flags & flag) && circ_space(circ)) + return true; + return false; +} + +static inline bool __acpi_aml_busy(void) +{ + if (acpi_aml_io.flags & ACPI_AML_BUSY) + return true; + return false; +} + +static inline bool __acpi_aml_opened(void) +{ + if (acpi_aml_io.flags & ACPI_AML_OPEN) + return true; + return false; +} + +static inline bool __acpi_aml_used(void) +{ + return acpi_aml_io.usages ? true : false; +} + +static inline bool acpi_aml_running(void) +{ + bool ret; + + mutex_lock(&acpi_aml_io.lock); + ret = __acpi_aml_running(); + mutex_unlock(&acpi_aml_io.lock); + return ret; +} + +static bool acpi_aml_busy(void) +{ + bool ret; + + mutex_lock(&acpi_aml_io.lock); + ret = __acpi_aml_busy(); + mutex_unlock(&acpi_aml_io.lock); + return ret; +} + +static bool acpi_aml_used(void) +{ + bool ret; + + /* + * The usage count is prepared to avoid race conditions between the + * starts and the stops of the debugger thread. + */ + mutex_lock(&acpi_aml_io.lock); + ret = __acpi_aml_used(); + mutex_unlock(&acpi_aml_io.lock); + return ret; +} + +static bool acpi_aml_kern_readable(void) +{ + bool ret; + + mutex_lock(&acpi_aml_io.lock); + ret = !__acpi_aml_access_ok(ACPI_AML_IN_KERN) || + __acpi_aml_readable(&acpi_aml_io.in_crc, ACPI_AML_IN_KERN); + mutex_unlock(&acpi_aml_io.lock); + return ret; +} + +static bool acpi_aml_kern_writable(void) +{ + bool ret; + + mutex_lock(&acpi_aml_io.lock); + ret = !__acpi_aml_access_ok(ACPI_AML_OUT_KERN) || + __acpi_aml_writable(&acpi_aml_io.out_crc, ACPI_AML_OUT_KERN); + mutex_unlock(&acpi_aml_io.lock); + return ret; +} + +static bool acpi_aml_user_readable(void) +{ + bool ret; + + mutex_lock(&acpi_aml_io.lock); + ret = !__acpi_aml_access_ok(ACPI_AML_OUT_USER) || + __acpi_aml_readable(&acpi_aml_io.out_crc, ACPI_AML_OUT_USER); + mutex_unlock(&acpi_aml_io.lock); + return ret; +} + +static bool acpi_aml_user_writable(void) +{ + bool ret; + + mutex_lock(&acpi_aml_io.lock); + ret = !__acpi_aml_access_ok(ACPI_AML_IN_USER) || + __acpi_aml_writable(&acpi_aml_io.in_crc, ACPI_AML_IN_USER); + mutex_unlock(&acpi_aml_io.lock); + return ret; +} + +static int acpi_aml_lock_write(struct circ_buf *circ, unsigned long flag) +{ + int ret = 0; + + mutex_lock(&acpi_aml_io.lock); + if (!__acpi_aml_access_ok(flag)) { + ret = -EFAULT; + goto out; + } + if (!__acpi_aml_writable(circ, flag)) { + ret = -EAGAIN; + goto out; + } + acpi_aml_io.flags |= flag; +out: + mutex_unlock(&acpi_aml_io.lock); + return ret; +} + +static int acpi_aml_lock_read(struct circ_buf *circ, unsigned long flag) +{ + int ret = 0; + + mutex_lock(&acpi_aml_io.lock); + if (!__acpi_aml_access_ok(flag)) { + ret = -EFAULT; + goto out; + } + if (!__acpi_aml_readable(circ, flag)) { + ret = -EAGAIN; + goto out; + } + acpi_aml_io.flags |= flag; +out: + mutex_unlock(&acpi_aml_io.lock); + return ret; +} + +static void acpi_aml_unlock_fifo(unsigned long flag, bool wakeup) +{ + mutex_lock(&acpi_aml_io.lock); + acpi_aml_io.flags &= ~flag; + if (wakeup) + wake_up_interruptible(&acpi_aml_io.wait); + mutex_unlock(&acpi_aml_io.lock); +} + +static int acpi_aml_write_kern(const char *buf, int len) +{ + int ret; + struct circ_buf *crc = &acpi_aml_io.out_crc; + int n; + char *p; + + ret = acpi_aml_lock_write(crc, ACPI_AML_OUT_KERN); + if (IS_ERR_VALUE(ret)) + return ret; + /* sync tail before inserting logs */ + smp_mb(); + p = &crc->buf[crc->head]; + n = min(len, circ_space_to_end(crc)); + memcpy(p, buf, n); + /* sync head after inserting logs */ + smp_wmb(); + crc->head = (crc->head + n) & (ACPI_AML_BUF_SIZE - 1); + acpi_aml_unlock_fifo(ACPI_AML_OUT_KERN, true); + return n; +} + +static int acpi_aml_readb_kern(void) +{ + int ret; + struct circ_buf *crc = &acpi_aml_io.in_crc; + char *p; + + ret = acpi_aml_lock_read(crc, ACPI_AML_IN_KERN); + if (IS_ERR_VALUE(ret)) + return ret; + /* sync head before removing cmds */ + smp_rmb(); + p = &crc->buf[crc->tail]; + ret = (int)*p; + /* sync tail before inserting cmds */ + smp_mb(); + crc->tail = (crc->tail + 1) & (ACPI_AML_BUF_SIZE - 1); + acpi_aml_unlock_fifo(ACPI_AML_IN_KERN, true); + return ret; +} + +/* + * acpi_aml_write_log() - Capture debugger output + * @msg: the debugger output + * + * This function should be used to implement acpi_os_printf() to filter out + * the debugger output and store the output into the debugger interface + * buffer. Return the size of stored logs or errno. + */ +static ssize_t acpi_aml_write_log(const char *msg) +{ + int ret = 0; + int count = 0, size = 0; + + if (!acpi_aml_initialized) + return -ENODEV; + if (msg) + count = strlen(msg); + while (count > 0) { +again: + ret = acpi_aml_write_kern(msg + size, count); + if (ret == -EAGAIN) { + ret = wait_event_interruptible(acpi_aml_io.wait, + acpi_aml_kern_writable()); + /* + * We need to retry when the condition + * becomes true. + */ + if (ret == 0) + goto again; + break; + } + if (IS_ERR_VALUE(ret)) + break; + size += ret; + count -= ret; + } + return size > 0 ? size : ret; +} + +/* + * acpi_aml_read_cmd() - Capture debugger input + * @msg: the debugger input + * @size: the size of the debugger input + * + * This function should be used to implement acpi_os_get_line() to capture + * the debugger input commands and store the input commands into the + * debugger interface buffer. Return the size of stored commands or errno. + */ +static ssize_t acpi_aml_read_cmd(char *msg, size_t count) +{ + int ret = 0; + int size = 0; + + /* + * This is ensured by the running fact of the debugger thread + * unless a bug is introduced. + */ + BUG_ON(!acpi_aml_initialized); + while (count > 0) { +again: + /* + * Check each input byte to find the end of the command. + */ + ret = acpi_aml_readb_kern(); + if (ret == -EAGAIN) { + ret = wait_event_interruptible(acpi_aml_io.wait, + acpi_aml_kern_readable()); + /* + * We need to retry when the condition becomes + * true. + */ + if (ret == 0) + goto again; + } + if (IS_ERR_VALUE(ret)) + break; + *(msg + size) = (char)ret; + size++; + count--; + if (ret == '\n') { + /* + * acpi_os_get_line() requires a zero terminated command + * string. + */ + *(msg + size - 1) = '\0'; + break; + } + } + return size > 0 ? size : ret; +} + +static int acpi_aml_thread(void *unsed) +{ + acpi_osd_exec_callback function = NULL; + void *context; + + mutex_lock(&acpi_aml_io.lock); + if (acpi_aml_io.function) { + acpi_aml_io.usages++; + function = acpi_aml_io.function; + context = acpi_aml_io.context; + } + mutex_unlock(&acpi_aml_io.lock); + + if (function) + function(context); + + mutex_lock(&acpi_aml_io.lock); + acpi_aml_io.usages--; + if (!__acpi_aml_used()) { + acpi_aml_io.thread = NULL; + wake_up(&acpi_aml_io.wait); + } + mutex_unlock(&acpi_aml_io.lock); + + return 0; +} + +/* + * acpi_aml_create_thread() - Create AML debugger thread + * @function: the debugger thread callback + * @context: the context to be passed to the debugger thread + * + * This function should be used to implement acpi_os_execute() which is + * used by the ACPICA debugger to create the debugger thread. + */ +static int acpi_aml_create_thread(acpi_osd_exec_callback function, void *context) +{ + struct task_struct *t; + + mutex_lock(&acpi_aml_io.lock); + acpi_aml_io.function = function; + acpi_aml_io.context = context; + mutex_unlock(&acpi_aml_io.lock); + + t = kthread_create(acpi_aml_thread, NULL, "aml"); + if (IS_ERR(t)) { + pr_err("Failed to create AML debugger thread.\n"); + return PTR_ERR(t); + } + + mutex_lock(&acpi_aml_io.lock); + acpi_aml_io.thread = t; + acpi_set_debugger_thread_id((acpi_thread_id)(unsigned long)t); + wake_up_process(t); + mutex_unlock(&acpi_aml_io.lock); + return 0; +} + +static int acpi_aml_wait_command_ready(bool single_step, + char *buffer, size_t length) +{ + acpi_status status; + + if (single_step) + acpi_os_printf("\n%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT); + else + acpi_os_printf("\n%1c ", ACPI_DEBUGGER_COMMAND_PROMPT); + + status = acpi_os_get_line(buffer, length, NULL); + if (ACPI_FAILURE(status)) + return -EINVAL; + return 0; +} + +static int acpi_aml_notify_command_complete(void) +{ + return 0; +} + +static int acpi_aml_open(struct inode *inode, struct file *file) +{ + int ret = 0; + acpi_status status; + + mutex_lock(&acpi_aml_io.lock); + /* + * The debugger interface is being closed, no new user is allowed + * during this period. + */ + if (acpi_aml_io.flags & ACPI_AML_CLOSED) { + ret = -EBUSY; + goto err_lock; + } + if ((file->f_flags & O_ACCMODE) != O_WRONLY) { + /* + * Only one reader is allowed to initiate the debugger + * thread. + */ + if (acpi_aml_active_reader) { + ret = -EBUSY; + goto err_lock; + } else { + pr_debug("Opening debugger reader.\n"); + acpi_aml_active_reader = file; + } + } else { + /* + * No writer is allowed unless the debugger thread is + * ready. + */ + if (!(acpi_aml_io.flags & ACPI_AML_OPENED)) { + ret = -ENODEV; + goto err_lock; + } + } + if (acpi_aml_active_reader == file) { + pr_debug("Opening debugger interface.\n"); + mutex_unlock(&acpi_aml_io.lock); + + pr_debug("Initializing debugger thread.\n"); + status = acpi_initialize_debugger(); + if (ACPI_FAILURE(status)) { + pr_err("Failed to initialize debugger.\n"); + ret = -EINVAL; + goto err_exit; + } + pr_debug("Debugger thread initialized.\n"); + + mutex_lock(&acpi_aml_io.lock); + acpi_aml_io.flags |= ACPI_AML_OPENED; + acpi_aml_io.out_crc.head = acpi_aml_io.out_crc.tail = 0; + acpi_aml_io.in_crc.head = acpi_aml_io.in_crc.tail = 0; + pr_debug("Debugger interface opened.\n"); + } + acpi_aml_io.users++; +err_lock: + if (IS_ERR_VALUE(ret)) { + if (acpi_aml_active_reader == file) + acpi_aml_active_reader = NULL; + } + mutex_unlock(&acpi_aml_io.lock); +err_exit: + return ret; +} + +static int acpi_aml_release(struct inode *inode, struct file *file) +{ + mutex_lock(&acpi_aml_io.lock); + acpi_aml_io.users--; + if (file == acpi_aml_active_reader) { + pr_debug("Closing debugger reader.\n"); + acpi_aml_active_reader = NULL; + + pr_debug("Closing debugger interface.\n"); + acpi_aml_io.flags |= ACPI_AML_CLOSED; + + /* + * Wake up all user space/kernel space blocked + * readers/writers. + */ + wake_up_interruptible(&acpi_aml_io.wait); + mutex_unlock(&acpi_aml_io.lock); + /* + * Wait all user space/kernel space readers/writers to + * stop so that ACPICA command loop of the debugger thread + * should fail all its command line reads after this point. + */ + wait_event(acpi_aml_io.wait, !acpi_aml_busy()); + + /* + * Then we try to terminate the debugger thread if it is + * not terminated. + */ + pr_debug("Terminating debugger thread.\n"); + acpi_terminate_debugger(); + wait_event(acpi_aml_io.wait, !acpi_aml_used()); + pr_debug("Debugger thread terminated.\n"); + + mutex_lock(&acpi_aml_io.lock); + acpi_aml_io.flags &= ~ACPI_AML_OPENED; + } + if (acpi_aml_io.users == 0) { + pr_debug("Debugger interface closed.\n"); + acpi_aml_io.flags &= ~ACPI_AML_CLOSED; + } + mutex_unlock(&acpi_aml_io.lock); + return 0; +} + +static int acpi_aml_read_user(char __user *buf, int len) +{ + int ret; + struct circ_buf *crc = &acpi_aml_io.out_crc; + int n; + char *p; + + ret = acpi_aml_lock_read(crc, ACPI_AML_OUT_USER); + if (IS_ERR_VALUE(ret)) + return ret; + /* sync head before removing logs */ + smp_rmb(); + p = &crc->buf[crc->tail]; + n = min(len, circ_count_to_end(crc)); + if (copy_to_user(buf, p, n)) { + ret = -EFAULT; + goto out; + } + /* sync tail after removing logs */ + smp_mb(); + crc->tail = (crc->tail + n) & (ACPI_AML_BUF_SIZE - 1); + ret = n; +out: + acpi_aml_unlock_fifo(ACPI_AML_OUT_USER, !IS_ERR_VALUE(ret)); + return ret; +} + +static ssize_t acpi_aml_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos) +{ + int ret = 0; + int size = 0; + + if (!count) + return 0; + if (!access_ok(VERIFY_WRITE, buf, count)) + return -EFAULT; + + while (count > 0) { +again: + ret = acpi_aml_read_user(buf + size, count); + if (ret == -EAGAIN) { + if (file->f_flags & O_NONBLOCK) + break; + else { + ret = wait_event_interruptible(acpi_aml_io.wait, + acpi_aml_user_readable()); + /* + * We need to retry when the condition + * becomes true. + */ + if (ret == 0) + goto again; + } + } + if (IS_ERR_VALUE(ret)) { + if (!acpi_aml_running()) + ret = 0; + break; + } + if (ret) { + size += ret; + count -= ret; + *ppos += ret; + break; + } + } + return size > 0 ? size : ret; +} + +static int acpi_aml_write_user(const char __user *buf, int len) +{ + int ret; + struct circ_buf *crc = &acpi_aml_io.in_crc; + int n; + char *p; + + ret = acpi_aml_lock_write(crc, ACPI_AML_IN_USER); + if (IS_ERR_VALUE(ret)) + return ret; + /* sync tail before inserting cmds */ + smp_mb(); + p = &crc->buf[crc->head]; + n = min(len, circ_space_to_end(crc)); + if (copy_from_user(p, buf, n)) { + ret = -EFAULT; + goto out; + } + /* sync head after inserting cmds */ + smp_wmb(); + crc->head = (crc->head + n) & (ACPI_AML_BUF_SIZE - 1); + ret = n; +out: + acpi_aml_unlock_fifo(ACPI_AML_IN_USER, !IS_ERR_VALUE(ret)); + return n; +} + +static ssize_t acpi_aml_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + int ret = 0; + int size = 0; + + if (!count) + return 0; + if (!access_ok(VERIFY_READ, buf, count)) + return -EFAULT; + + while (count > 0) { +again: + ret = acpi_aml_write_user(buf + size, count); + if (ret == -EAGAIN) { + if (file->f_flags & O_NONBLOCK) + break; + else { + ret = wait_event_interruptible(acpi_aml_io.wait, + acpi_aml_user_writable()); + /* + * We need to retry when the condition + * becomes true. + */ + if (ret == 0) + goto again; + } + } + if (IS_ERR_VALUE(ret)) { + if (!acpi_aml_running()) + ret = 0; + break; + } + if (ret) { + size += ret; + count -= ret; + *ppos += ret; + } + } + return size > 0 ? size : ret; +} + +static unsigned int acpi_aml_poll(struct file *file, poll_table *wait) +{ + int masks = 0; + + poll_wait(file, &acpi_aml_io.wait, wait); + if (acpi_aml_user_readable()) + masks |= POLLIN | POLLRDNORM; + if (acpi_aml_user_writable()) + masks |= POLLOUT | POLLWRNORM; + + return masks; +} + +static const struct file_operations acpi_aml_operations = { + .read = acpi_aml_read, + .write = acpi_aml_write, + .poll = acpi_aml_poll, + .open = acpi_aml_open, + .release = acpi_aml_release, + .llseek = generic_file_llseek, +}; + +static const struct acpi_debugger_ops acpi_aml_debugger = { + .create_thread = acpi_aml_create_thread, + .read_cmd = acpi_aml_read_cmd, + .write_log = acpi_aml_write_log, + .wait_command_ready = acpi_aml_wait_command_ready, + .notify_command_complete = acpi_aml_notify_command_complete, +}; + +int __init acpi_aml_init(void) +{ + int ret = 0; + + if (!acpi_debugfs_dir) { + ret = -ENOENT; + goto err_exit; + } + + /* Initialize AML IO interface */ + mutex_init(&acpi_aml_io.lock); + init_waitqueue_head(&acpi_aml_io.wait); + acpi_aml_io.out_crc.buf = acpi_aml_io.out_buf; + acpi_aml_io.in_crc.buf = acpi_aml_io.in_buf; + acpi_aml_dentry = debugfs_create_file("acpidbg", + S_IFREG | S_IRUGO | S_IWUSR, + acpi_debugfs_dir, NULL, + &acpi_aml_operations); + if (acpi_aml_dentry == NULL) { + ret = -ENODEV; + goto err_exit; + } + ret = acpi_register_debugger(THIS_MODULE, &acpi_aml_debugger); + if (ret) + goto err_fs; + acpi_aml_initialized = true; + +err_fs: + if (ret) { + debugfs_remove(acpi_aml_dentry); + acpi_aml_dentry = NULL; + } +err_exit: + return ret; +} + +void __exit acpi_aml_exit(void) +{ + if (acpi_aml_initialized) { + acpi_unregister_debugger(&acpi_aml_debugger); + if (acpi_aml_dentry) { + debugfs_remove(acpi_aml_dentry); + acpi_aml_dentry = NULL; + } + acpi_aml_initialized = false; + } +} + +module_init(acpi_aml_init); +module_exit(acpi_aml_exit); + +MODULE_AUTHOR("Lv Zheng"); +MODULE_DESCRIPTION("ACPI debugger userspace IO driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index f9e0d09..047281a6 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -15,6 +15,7 @@ #include <linux/clk-provider.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/mutex.h> #include <linux/platform_device.h> #include <linux/platform_data/clk-lpss.h> #include <linux/pm_runtime.h> @@ -26,6 +27,10 @@ ACPI_MODULE_NAME("acpi_lpss"); #ifdef CONFIG_X86_INTEL_LPSS +#include <asm/cpu_device_id.h> +#include <asm/iosf_mbi.h> +#include <asm/pmc_atom.h> + #define LPSS_ADDR(desc) ((unsigned long)&desc) #define LPSS_CLK_SIZE 0x04 @@ -71,7 +76,7 @@ struct lpss_device_desc { void (*setup)(struct lpss_private_data *pdata); }; -static struct lpss_device_desc lpss_dma_desc = { +static const struct lpss_device_desc lpss_dma_desc = { .flags = LPSS_CLK, }; @@ -84,6 +89,23 @@ struct lpss_private_data { u32 prv_reg_ctx[LPSS_PRV_REG_COUNT]; }; +/* LPSS run time quirks */ +static unsigned int lpss_quirks; + +/* + * LPSS_QUIRK_ALWAYS_POWER_ON: override power state for LPSS DMA device. + * + * The LPSS DMA controller has neither _PS0 nor _PS3 method. Moreover + * it can be powered off automatically whenever the last LPSS device goes down. + * In case of no power any access to the DMA controller will hang the system. + * The behaviour is reproduced on some HP laptops based on Intel BayTrail as + * well as on ASuS T100TA transformer. + * + * This quirk overrides power state of entire LPSS island to keep DMA powered + * on whenever we have at least one other device in use. + */ +#define LPSS_QUIRK_ALWAYS_POWER_ON BIT(0) + /* UART Component Parameter Register */ #define LPSS_UART_CPR 0xF4 #define LPSS_UART_CPR_AFCE BIT(4) @@ -196,13 +218,21 @@ static const struct lpss_device_desc bsw_i2c_dev_desc = { .setup = byt_i2c_setup, }; -static struct lpss_device_desc bsw_spi_dev_desc = { +static const struct lpss_device_desc bsw_spi_dev_desc = { .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX | LPSS_NO_D3_DELAY, .prv_offset = 0x400, .setup = lpss_deassert_reset, }; +#define ICPU(model) { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, } + +static const struct x86_cpu_id lpss_cpu_ids[] = { + ICPU(0x37), /* Valleyview, Bay Trail */ + ICPU(0x4c), /* Braswell, Cherry Trail */ + {} +}; + #else #define LPSS_ADDR(desc) (0UL) @@ -574,6 +604,17 @@ static void acpi_lpss_restore_ctx(struct device *dev, { unsigned int i; + for (i = 0; i < LPSS_PRV_REG_COUNT; i++) { + unsigned long offset = i * sizeof(u32); + + __lpss_reg_write(pdata->prv_reg_ctx[i], pdata, offset); + dev_dbg(dev, "restoring 0x%08x to LPSS reg at offset 0x%02lx\n", + pdata->prv_reg_ctx[i], offset); + } +} + +static void acpi_lpss_d3_to_d0_delay(struct lpss_private_data *pdata) +{ /* * The following delay is needed or the subsequent write operations may * fail. The LPSS devices are actually PCI devices and the PCI spec @@ -586,14 +627,34 @@ static void acpi_lpss_restore_ctx(struct device *dev, delay = 0; msleep(delay); +} - for (i = 0; i < LPSS_PRV_REG_COUNT; i++) { - unsigned long offset = i * sizeof(u32); +static int acpi_lpss_activate(struct device *dev) +{ + struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev)); + int ret; - __lpss_reg_write(pdata->prv_reg_ctx[i], pdata, offset); - dev_dbg(dev, "restoring 0x%08x to LPSS reg at offset 0x%02lx\n", - pdata->prv_reg_ctx[i], offset); - } + ret = acpi_dev_runtime_resume(dev); + if (ret) + return ret; + + acpi_lpss_d3_to_d0_delay(pdata); + + /* + * This is called only on ->probe() stage where a device is either in + * known state defined by BIOS or most likely powered off. Due to this + * we have to deassert reset line to be sure that ->probe() will + * recognize the device. + */ + if (pdata->dev_desc->flags & LPSS_SAVE_CTX) + lpss_deassert_reset(pdata); + + return 0; +} + +static void acpi_lpss_dismiss(struct device *dev) +{ + acpi_dev_runtime_suspend(dev); } #ifdef CONFIG_PM_SLEEP @@ -621,6 +682,8 @@ static int acpi_lpss_resume_early(struct device *dev) if (ret) return ret; + acpi_lpss_d3_to_d0_delay(pdata); + if (pdata->dev_desc->flags & LPSS_SAVE_CTX) acpi_lpss_restore_ctx(dev, pdata); @@ -628,6 +691,89 @@ static int acpi_lpss_resume_early(struct device *dev) } #endif /* CONFIG_PM_SLEEP */ +/* IOSF SB for LPSS island */ +#define LPSS_IOSF_UNIT_LPIOEP 0xA0 +#define LPSS_IOSF_UNIT_LPIO1 0xAB +#define LPSS_IOSF_UNIT_LPIO2 0xAC + +#define LPSS_IOSF_PMCSR 0x84 +#define LPSS_PMCSR_D0 0 +#define LPSS_PMCSR_D3hot 3 +#define LPSS_PMCSR_Dx_MASK GENMASK(1, 0) + +#define LPSS_IOSF_GPIODEF0 0x154 +#define LPSS_GPIODEF0_DMA1_D3 BIT(2) +#define LPSS_GPIODEF0_DMA2_D3 BIT(3) +#define LPSS_GPIODEF0_DMA_D3_MASK GENMASK(3, 2) + +static DEFINE_MUTEX(lpss_iosf_mutex); + +static void lpss_iosf_enter_d3_state(void) +{ + u32 value1 = 0; + u32 mask1 = LPSS_GPIODEF0_DMA_D3_MASK; + u32 value2 = LPSS_PMCSR_D3hot; + u32 mask2 = LPSS_PMCSR_Dx_MASK; + /* + * PMC provides an information about actual status of the LPSS devices. + * Here we read the values related to LPSS power island, i.e. LPSS + * devices, excluding both LPSS DMA controllers, along with SCC domain. + */ + u32 func_dis, d3_sts_0, pmc_status, pmc_mask = 0xfe000ffe; + int ret; + + ret = pmc_atom_read(PMC_FUNC_DIS, &func_dis); + if (ret) + return; + + mutex_lock(&lpss_iosf_mutex); + + ret = pmc_atom_read(PMC_D3_STS_0, &d3_sts_0); + if (ret) + goto exit; + + /* + * Get the status of entire LPSS power island per device basis. + * Shutdown both LPSS DMA controllers if and only if all other devices + * are already in D3hot. + */ + pmc_status = (~(d3_sts_0 | func_dis)) & pmc_mask; + if (pmc_status) + goto exit; + + iosf_mbi_modify(LPSS_IOSF_UNIT_LPIO1, MBI_CFG_WRITE, + LPSS_IOSF_PMCSR, value2, mask2); + + iosf_mbi_modify(LPSS_IOSF_UNIT_LPIO2, MBI_CFG_WRITE, + LPSS_IOSF_PMCSR, value2, mask2); + + iosf_mbi_modify(LPSS_IOSF_UNIT_LPIOEP, MBI_CR_WRITE, + LPSS_IOSF_GPIODEF0, value1, mask1); +exit: + mutex_unlock(&lpss_iosf_mutex); +} + +static void lpss_iosf_exit_d3_state(void) +{ + u32 value1 = LPSS_GPIODEF0_DMA1_D3 | LPSS_GPIODEF0_DMA2_D3; + u32 mask1 = LPSS_GPIODEF0_DMA_D3_MASK; + u32 value2 = LPSS_PMCSR_D0; + u32 mask2 = LPSS_PMCSR_Dx_MASK; + + mutex_lock(&lpss_iosf_mutex); + + iosf_mbi_modify(LPSS_IOSF_UNIT_LPIOEP, MBI_CR_WRITE, + LPSS_IOSF_GPIODEF0, value1, mask1); + + iosf_mbi_modify(LPSS_IOSF_UNIT_LPIO2, MBI_CFG_WRITE, + LPSS_IOSF_PMCSR, value2, mask2); + + iosf_mbi_modify(LPSS_IOSF_UNIT_LPIO1, MBI_CFG_WRITE, + LPSS_IOSF_PMCSR, value2, mask2); + + mutex_unlock(&lpss_iosf_mutex); +} + static int acpi_lpss_runtime_suspend(struct device *dev) { struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev)); @@ -640,7 +786,17 @@ static int acpi_lpss_runtime_suspend(struct device *dev) if (pdata->dev_desc->flags & LPSS_SAVE_CTX) acpi_lpss_save_ctx(dev, pdata); - return acpi_dev_runtime_suspend(dev); + ret = acpi_dev_runtime_suspend(dev); + + /* + * This call must be last in the sequence, otherwise PMC will return + * wrong status for devices being about to be powered off. See + * lpss_iosf_enter_d3_state() for further information. + */ + if (lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available()) + lpss_iosf_enter_d3_state(); + + return ret; } static int acpi_lpss_runtime_resume(struct device *dev) @@ -648,10 +804,19 @@ static int acpi_lpss_runtime_resume(struct device *dev) struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev)); int ret; + /* + * This call is kept first to be in symmetry with + * acpi_lpss_runtime_suspend() one. + */ + if (lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available()) + lpss_iosf_exit_d3_state(); + ret = acpi_dev_runtime_resume(dev); if (ret) return ret; + acpi_lpss_d3_to_d0_delay(pdata); + if (pdata->dev_desc->flags & LPSS_SAVE_CTX) acpi_lpss_restore_ctx(dev, pdata); @@ -660,6 +825,10 @@ static int acpi_lpss_runtime_resume(struct device *dev) #endif /* CONFIG_PM */ static struct dev_pm_domain acpi_lpss_pm_domain = { +#ifdef CONFIG_PM + .activate = acpi_lpss_activate, + .dismiss = acpi_lpss_dismiss, +#endif .ops = { #ifdef CONFIG_PM #ifdef CONFIG_PM_SLEEP @@ -705,8 +874,14 @@ static int acpi_lpss_platform_notify(struct notifier_block *nb, } switch (action) { - case BUS_NOTIFY_ADD_DEVICE: + case BUS_NOTIFY_BIND_DRIVER: pdev->dev.pm_domain = &acpi_lpss_pm_domain; + break; + case BUS_NOTIFY_DRIVER_NOT_BOUND: + case BUS_NOTIFY_UNBOUND_DRIVER: + pdev->dev.pm_domain = NULL; + break; + case BUS_NOTIFY_ADD_DEVICE: if (pdata->dev_desc->flags & LPSS_LTR) return sysfs_create_group(&pdev->dev.kobj, &lpss_attr_group); @@ -714,7 +889,6 @@ static int acpi_lpss_platform_notify(struct notifier_block *nb, case BUS_NOTIFY_DEL_DEVICE: if (pdata->dev_desc->flags & LPSS_LTR) sysfs_remove_group(&pdev->dev.kobj, &lpss_attr_group); - pdev->dev.pm_domain = NULL; break; default: break; @@ -754,10 +928,19 @@ static struct acpi_scan_handler lpss_handler = { void __init acpi_lpss_init(void) { - if (!lpt_clk_init()) { - bus_register_notifier(&platform_bus_type, &acpi_lpss_nb); - acpi_scan_add_handler(&lpss_handler); - } + const struct x86_cpu_id *id; + int ret; + + ret = lpt_clk_init(); + if (ret) + return; + + id = x86_match_cpu(lpss_cpu_ids); + if (id) + lpss_quirks |= LPSS_QUIRK_ALWAYS_POWER_ON; + + bus_register_notifier(&platform_bus_type, &acpi_lpss_nb); + acpi_scan_add_handler(&lpss_handler); } #else diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c index 48fc3ad..67d97c0 100644 --- a/drivers/acpi/acpi_pnp.c +++ b/drivers/acpi/acpi_pnp.c @@ -367,7 +367,7 @@ static struct acpi_scan_handler acpi_pnp_handler = { */ static int is_cmos_rtc_device(struct acpi_device *adev) { - struct acpi_device_id ids[] = { + static const struct acpi_device_id ids[] = { { "PNP0B00" }, { "PNP0B01" }, { "PNP0B02" }, diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 3405f7a..06a006f 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -77,14 +77,21 @@ module_param(allow_duplicates, bool, 0644); static int disable_backlight_sysfs_if = -1; module_param(disable_backlight_sysfs_if, int, 0444); +#define REPORT_OUTPUT_KEY_EVENTS 0x01 +#define REPORT_BRIGHTNESS_KEY_EVENTS 0x02 +static int report_key_events = -1; +module_param(report_key_events, int, 0644); +MODULE_PARM_DESC(report_key_events, + "0: none, 1: output changes, 2: brightness changes, 3: all"); + static bool device_id_scheme = false; module_param(device_id_scheme, bool, 0444); static bool only_lcd = false; module_param(only_lcd, bool, 0444); -static int register_count; -static DEFINE_MUTEX(register_count_mutex); +static DECLARE_COMPLETION(register_done); +static DEFINE_MUTEX(register_done_mutex); static struct mutex video_list_lock; static struct list_head video_bus_head; static int acpi_video_bus_add(struct acpi_device *device); @@ -412,6 +419,13 @@ static int video_enable_only_lcd(const struct dmi_system_id *d) return 0; } +static int video_set_report_key_events(const struct dmi_system_id *id) +{ + if (report_key_events == -1) + report_key_events = (uintptr_t)id->driver_data; + return 0; +} + static struct dmi_system_id video_dmi_table[] = { /* * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121 @@ -500,6 +514,24 @@ static struct dmi_system_id video_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile M9410"), }, }, + /* + * Some machines report wrong key events on the acpi-bus, suppress + * key event reporting on these. Note this is only intended to work + * around events which are plain wrong. In some cases we get double + * events, in this case acpi-video is considered the canonical source + * and the events from the other source should be filtered. E.g. + * by calling acpi_video_handles_brightness_key_presses() from the + * vendor acpi/wmi driver or by using /lib/udev/hwdb.d/60-keyboard.hwdb + */ + { + .callback = video_set_report_key_events, + .driver_data = (void *)((uintptr_t)REPORT_OUTPUT_KEY_EVENTS), + .ident = "Dell Vostro V131", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V131"), + }, + }, {} }; @@ -1480,7 +1512,7 @@ static void acpi_video_bus_notify(struct acpi_device *device, u32 event) /* Something vetoed the keypress. */ keycode = 0; - if (keycode) { + if (keycode && (report_key_events & REPORT_OUTPUT_KEY_EVENTS)) { input_report_key(input, keycode, 1); input_sync(input); input_report_key(input, keycode, 0); @@ -1544,7 +1576,7 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data) acpi_notifier_call_chain(device, event, 0); - if (keycode) { + if (keycode && (report_key_events & REPORT_BRIGHTNESS_KEY_EVENTS)) { input_report_key(input, keycode, 1); input_sync(input); input_report_key(input, keycode, 0); @@ -2017,8 +2049,8 @@ int acpi_video_register(void) { int ret = 0; - mutex_lock(®ister_count_mutex); - if (register_count) { + mutex_lock(®ister_done_mutex); + if (completion_done(®ister_done)) { /* * if the function of acpi_video_register is already called, * don't register the acpi_vide_bus again and return no error. @@ -2039,22 +2071,22 @@ int acpi_video_register(void) * When the acpi_video_bus is loaded successfully, increase * the counter reference. */ - register_count = 1; + complete(®ister_done); leave: - mutex_unlock(®ister_count_mutex); + mutex_unlock(®ister_done_mutex); return ret; } EXPORT_SYMBOL(acpi_video_register); void acpi_video_unregister(void) { - mutex_lock(®ister_count_mutex); - if (register_count) { + mutex_lock(®ister_done_mutex); + if (completion_done(®ister_done)) { acpi_bus_unregister_driver(&acpi_video_bus); - register_count = 0; + reinit_completion(®ister_done); } - mutex_unlock(®ister_count_mutex); + mutex_unlock(®ister_done_mutex); } EXPORT_SYMBOL(acpi_video_unregister); @@ -2062,15 +2094,29 @@ void acpi_video_unregister_backlight(void) { struct acpi_video_bus *video; - mutex_lock(®ister_count_mutex); - if (register_count) { + mutex_lock(®ister_done_mutex); + if (completion_done(®ister_done)) { mutex_lock(&video_list_lock); list_for_each_entry(video, &video_bus_head, entry) acpi_video_bus_unregister_backlight(video); mutex_unlock(&video_list_lock); } - mutex_unlock(®ister_count_mutex); + mutex_unlock(®ister_done_mutex); +} + +bool acpi_video_handles_brightness_key_presses(void) +{ + bool have_video_busses; + + wait_for_completion(®ister_done); + mutex_lock(&video_list_lock); + have_video_busses = !list_empty(&video_bus_head); + mutex_unlock(&video_list_lock); + + return have_video_busses && + (report_key_events & REPORT_BRIGHTNESS_KEY_EVENTS); } +EXPORT_SYMBOL(acpi_video_handles_brightness_key_presses); /* * This is kind of nasty. Hardware using Intel chipsets may require diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index 885936f..f682374 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -50,6 +50,7 @@ acpi-y += \ exdump.o \ exfield.o \ exfldio.o \ + exmisc.o \ exmutex.o \ exnames.o \ exoparg1.o \ @@ -57,7 +58,6 @@ acpi-y += \ exoparg3.o \ exoparg6.o \ exprep.o \ - exmisc.o \ exregion.o \ exresnte.o \ exresolv.o \ @@ -66,6 +66,7 @@ acpi-y += \ exstoren.o \ exstorob.o \ exsystem.o \ + extrace.o \ exutils.o acpi-y += \ @@ -196,7 +197,6 @@ acpi-$(ACPI_FUTURE_USAGE) += \ dbfileio.o \ dbtest.o \ utcache.o \ - utfileio.o \ utprint.o \ uttrack.o \ utuuid.o diff --git a/drivers/acpi/acpica/acapps.h b/drivers/acpi/acpica/acapps.h index e4cc48f..8b4ff40 100644 --- a/drivers/acpi/acpica/acapps.h +++ b/drivers/acpi/acpica/acapps.h @@ -44,6 +44,8 @@ #ifndef _ACAPPS #define _ACAPPS +#include <stdio.h> + /* Common info for tool signons */ #define ACPICA_NAME "Intel ACPI Component Architecture" @@ -85,11 +87,40 @@ acpi_os_printf (description); #define ACPI_OPTION(name, description) \ - acpi_os_printf (" %-18s%s\n", name, description); + acpi_os_printf (" %-20s%s\n", name, description); + +/* Check for unexpected exceptions */ + +#define ACPI_CHECK_STATUS(name, status, expected) \ + if (status != expected) \ + { \ + acpi_os_printf ("Unexpected %s from %s (%s-%d)\n", \ + acpi_format_exception (status), #name, _acpi_module_name, __LINE__); \ + } + +/* Check for unexpected non-AE_OK errors */ + +#define ACPI_CHECK_OK(name, status) ACPI_CHECK_STATUS (name, status, AE_OK); #define FILE_SUFFIX_DISASSEMBLY "dsl" #define FILE_SUFFIX_BINARY_TABLE ".dat" /* Needs the dot */ +/* acfileio */ + +acpi_status +ac_get_all_tables_from_file(char *filename, + u8 get_only_aml_tables, + struct acpi_new_table_desc **return_list_head); + +u8 ac_is_file_binary(FILE * file); + +acpi_status ac_validate_table_header(FILE * file, long table_offset); + +/* Values for get_only_aml_tables */ + +#define ACPI_GET_ONLY_AML_TABLES TRUE +#define ACPI_GET_ALL_TABLES FALSE + /* * getopt */ @@ -107,30 +138,6 @@ extern char *acpi_gbl_optarg; */ u32 cm_get_file_size(ACPI_FILE file); -#ifndef ACPI_DUMP_APP -/* - * adisasm - */ -acpi_status -ad_aml_disassemble(u8 out_to_file, - char *filename, char *prefix, char **out_filename); - -void ad_print_statistics(void); - -acpi_status ad_find_dsdt(u8 **dsdt_ptr, u32 *dsdt_length); - -void ad_dump_tables(void); - -acpi_status ad_get_local_tables(void); - -acpi_status -ad_parse_table(struct acpi_table_header *table, - acpi_owner_id * owner_id, u8 load_table, u8 external); - -acpi_status ad_display_tables(char *filename, struct acpi_table_header *table); - -acpi_status ad_display_statistics(void); - /* * adwalk */ @@ -168,6 +175,5 @@ char *ad_generate_filename(char *prefix, char *table_id); void ad_write_table(struct acpi_table_header *table, u32 length, char *table_name, char *oem_table_id); -#endif #endif /* _ACAPPS */ diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h index c928ba4..ecb05f1 100644 --- a/drivers/acpi/acpica/acdebug.h +++ b/drivers/acpi/acpica/acdebug.h @@ -80,9 +80,15 @@ struct acpi_db_execute_walk { /* * dbxface - external debugger interfaces */ -acpi_status -acpi_db_single_step(struct acpi_walk_state *walk_state, - union acpi_parse_object *op, u32 op_type); +ACPI_DBR_DEPENDENT_RETURN_OK(acpi_status + acpi_db_single_step(struct acpi_walk_state + *walk_state, + union acpi_parse_object *op, + u32 op_type)) + ACPI_DBR_DEPENDENT_RETURN_VOID(void + acpi_db_signal_break_point(struct + acpi_walk_state + *walk_state)) /* * dbcmds - debug commands and output routines @@ -182,11 +188,15 @@ void acpi_db_display_method_info(union acpi_parse_object *op); void acpi_db_decode_and_display_object(char *target, char *output_type); -void -acpi_db_display_result_object(union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state); +ACPI_DBR_DEPENDENT_RETURN_VOID(void + acpi_db_display_result_object(union + acpi_operand_object + *obj_desc, + struct + acpi_walk_state + *walk_state)) -acpi_status acpi_db_display_all_methods(char *display_count_arg); + acpi_status acpi_db_display_all_methods(char *display_count_arg); void acpi_db_display_arguments(void); @@ -198,9 +208,13 @@ void acpi_db_display_calling_tree(void); void acpi_db_display_object_type(char *object_arg); -void -acpi_db_display_argument_object(union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state); +ACPI_DBR_DEPENDENT_RETURN_VOID(void + acpi_db_display_argument_object(union + acpi_operand_object + *obj_desc, + struct + acpi_walk_state + *walk_state)) /* * dbexec - debugger control method execution @@ -231,10 +245,7 @@ void acpi_db_open_debug_file(char *name); acpi_status acpi_db_load_acpi_table(char *filename); -acpi_status -acpi_db_get_table_from_file(char *filename, - struct acpi_table_header **table, - u8 must_be_aml_table); +acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head); /* * dbhistry - debugger HISTORY command @@ -257,7 +268,7 @@ acpi_db_command_dispatch(char *input_buffer, void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context); -acpi_status acpi_db_user_commands(char prompt, union acpi_parse_object *op); +acpi_status acpi_db_user_commands(void); char *acpi_db_get_next_token(char *string, char **next, acpi_object_type * return_type); diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index 228704b7..d18f184 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -161,6 +161,11 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, /* * evhandler - Address space handling */ +union acpi_operand_object *acpi_ev_find_region_handler(acpi_adr_space_type + space_id, + union acpi_operand_object + *handler_obj); + u8 acpi_ev_has_default_handler(struct acpi_namespace_node *node, acpi_adr_space_type space_id); @@ -193,9 +198,11 @@ void acpi_ev_detach_region(union acpi_operand_object *region_obj, u8 acpi_ns_is_locked); -acpi_status +void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj); + +void acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, - acpi_adr_space_type space_id); + acpi_adr_space_type space_id, u32 function); acpi_status acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function); diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index faa9760..73462ca 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -145,6 +145,7 @@ ACPI_GLOBAL(acpi_cache_t *, acpi_gbl_operand_cache); ACPI_INIT_GLOBAL(u32, acpi_gbl_startup_flags, 0); ACPI_INIT_GLOBAL(u8, acpi_gbl_shutdown, TRUE); +ACPI_INIT_GLOBAL(u8, acpi_gbl_early_initialization, TRUE); /* Global handlers */ @@ -164,7 +165,7 @@ ACPI_GLOBAL(u8, acpi_gbl_next_owner_id_offset); /* Initialization sequencing */ -ACPI_GLOBAL(u8, acpi_gbl_reg_methods_executed); +ACPI_INIT_GLOBAL(u8, acpi_gbl_reg_methods_enabled, FALSE); /* Misc */ @@ -326,7 +327,6 @@ ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list); #ifdef ACPI_DEBUGGER ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE); -ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE); ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID); ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods); @@ -345,7 +345,6 @@ ACPI_GLOBAL(acpi_object_type, acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]); /* These buffers should all be the same size */ -ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]); ACPI_GLOBAL(char, acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]); ACPI_GLOBAL(char, acpi_gbl_db_scope_buf[ACPI_DB_LINE_BUFFER_SIZE]); ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); @@ -360,9 +359,6 @@ ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); ACPI_GLOBAL(u32, acpi_gbl_num_nodes); ACPI_GLOBAL(u32, acpi_gbl_num_objects); -ACPI_GLOBAL(acpi_mutex, acpi_gbl_db_command_ready); -ACPI_GLOBAL(acpi_mutex, acpi_gbl_db_command_complete); - #endif /* ACPI_DEBUGGER */ /***************************************************************************** diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index e1dd784..24928ec 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -219,6 +219,13 @@ struct acpi_table_list { #define ACPI_ROOT_ORIGIN_ALLOCATED (1) #define ACPI_ROOT_ALLOW_RESIZE (2) +/* List to manage incoming ACPI tables */ + +struct acpi_new_table_desc { + struct acpi_table_header *table; + struct acpi_new_table_desc *next; +}; + /* Predefined table indexes */ #define ACPI_INVALID_TABLE_INDEX (0xFFFFFFFF) @@ -388,7 +395,8 @@ union acpi_predefined_info { /* Return object auto-repair info */ -typedef acpi_status(*acpi_object_converter) (union acpi_operand_object +typedef acpi_status(*acpi_object_converter) (struct acpi_namespace_node * scope, + union acpi_operand_object *original_object, union acpi_operand_object **converted_object); @@ -420,6 +428,7 @@ struct acpi_simple_repair_info { struct acpi_reg_walk_info { acpi_adr_space_type space_id; + u32 function; u32 reg_run_count; }; @@ -861,6 +870,7 @@ struct acpi_parse_state { #define ACPI_PARSEOP_CLOSING_PAREN 0x10 #define ACPI_PARSEOP_COMPOUND 0x20 #define ACPI_PARSEOP_ASSIGNMENT 0x40 +#define ACPI_PARSEOP_ELSEIF 0x80 /***************************************************************************** * diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index e85366c..bad5bca 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -401,17 +401,6 @@ #endif /* - * Some code only gets executed when the debugger is built in. - * Note that this is entirely independent of whether the - * DEBUG_PRINT stuff (set by ACPI_DEBUG_OUTPUT) is on, or not. - */ -#ifdef ACPI_DEBUGGER -#define ACPI_DEBUGGER_EXEC(a) a -#else -#define ACPI_DEBUGGER_EXEC(a) -#endif - -/* * Macros used for ACPICA utilities only */ diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 5d261c9..d082e62 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -77,6 +77,7 @@ /* Object is not a package element */ #define ACPI_NOT_PACKAGE_ELEMENT ACPI_UINT32_MAX +#define ACPI_ALL_PACKAGE_ELEMENTS (ACPI_UINT32_MAX-1) /* Always emit warning message, not dependent on node flags */ @@ -183,13 +184,20 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, union acpi_operand_object **return_object); acpi_status -acpi_ns_convert_to_unicode(union acpi_operand_object *original_object, +acpi_ns_convert_to_unicode(struct acpi_namespace_node *scope, + union acpi_operand_object *original_object, union acpi_operand_object **return_object); acpi_status -acpi_ns_convert_to_resource(union acpi_operand_object *original_object, +acpi_ns_convert_to_resource(struct acpi_namespace_node *scope, + union acpi_operand_object *original_object, union acpi_operand_object **return_object); +acpi_status +acpi_ns_convert_to_reference(struct acpi_namespace_node *scope, + union acpi_operand_object *original_object, + union acpi_operand_object **return_object); + /* * nsdump - Namespace dump/print utilities */ diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index 0bd02c4..2b154cf 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -93,9 +93,10 @@ #define AOPOBJ_AML_CONSTANT 0x01 /* Integer is an AML constant */ #define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */ #define AOPOBJ_DATA_VALID 0x04 /* Object is initialized and data is valid */ -#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized, _REG was run */ -#define AOPOBJ_SETUP_COMPLETE 0x10 /* Region setup is complete */ -#define AOPOBJ_INVALID 0x20 /* Host OS won't allow a Region address */ +#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized */ +#define AOPOBJ_REG_CONNECTED 0x10 /* _REG was run */ +#define AOPOBJ_SETUP_COMPLETE 0x20 /* Region setup is complete */ +#define AOPOBJ_INVALID 0x40 /* Host OS won't allow a Region address */ /****************************************************************************** * diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h index f9acf92..324512d 100644 --- a/drivers/acpi/acpica/acopcode.h +++ b/drivers/acpi/acpica/acopcode.h @@ -92,7 +92,7 @@ #define ARGP_BYTELIST_OP ARGP_LIST1 (ARGP_NAMESTRING) #define ARGP_CONCAT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) #define ARGP_CONCAT_RES_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_COND_REF_OF_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_SUPERNAME) +#define ARGP_COND_REF_OF_OP ARGP_LIST2 (ARGP_NAME_OR_REF,ARGP_TARGET) #define ARGP_CONNECTFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING) #define ARGP_CONTINUE_OP ARG_NONE #define ARGP_COPY_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_SIMPLENAME) @@ -152,13 +152,14 @@ #define ARGP_NAMEPATH_OP ARGP_LIST1 (ARGP_NAMESTRING) #define ARGP_NOOP_OP ARG_NONE #define ARGP_NOTIFY_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_TERMARG) +#define ARGP_OBJECT_TYPE_OP ARGP_LIST1 (ARGP_NAME_OR_REF) #define ARGP_ONE_OP ARG_NONE #define ARGP_ONES_OP ARG_NONE #define ARGP_PACKAGE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_BYTEDATA, ARGP_DATAOBJLIST) #define ARGP_POWER_RES_OP ARGP_LIST5 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_BYTEDATA, ARGP_WORDDATA, ARGP_OBJLIST) #define ARGP_PROCESSOR_OP ARGP_LIST6 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_BYTEDATA, ARGP_DWORDDATA, ARGP_BYTEDATA, ARGP_OBJLIST) #define ARGP_QWORD_OP ARGP_LIST1 (ARGP_QWORDDATA) -#define ARGP_REF_OF_OP ARGP_LIST1 (ARGP_SUPERNAME) +#define ARGP_REF_OF_OP ARGP_LIST1 (ARGP_NAME_OR_REF) #define ARGP_REGION_OP ARGP_LIST4 (ARGP_NAME, ARGP_BYTEDATA, ARGP_TERMARG, ARGP_TERMARG) #define ARGP_RELEASE_OP ARGP_LIST1 (ARGP_SUPERNAME) #define ARGP_RESERVEDFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING) @@ -185,7 +186,6 @@ #define ARGP_TO_HEX_STR_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) #define ARGP_TO_INTEGER_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET) #define ARGP_TO_STRING_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) -#define ARGP_TYPE_OP ARGP_LIST1 (ARGP_SUPERNAME) #define ARGP_UNLOAD_OP ARGP_LIST1 (ARGP_SUPERNAME) #define ARGP_VAR_PACKAGE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_TERMARG, ARGP_DATAOBJLIST) #define ARGP_WAIT_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_TERMARG) @@ -223,7 +223,7 @@ #define ARGI_BUFFER_OP ARGI_LIST1 (ARGI_INTEGER) #define ARGI_BYTE_OP ARGI_INVALID_OPCODE #define ARGI_BYTELIST_OP ARGI_INVALID_OPCODE -#define ARGI_CONCAT_OP ARGI_LIST3 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA, ARGI_TARGETREF) +#define ARGI_CONCAT_OP ARGI_LIST3 (ARGI_ANYTYPE, ARGI_ANYTYPE, ARGI_TARGETREF) #define ARGI_CONCAT_RES_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_BUFFER, ARGI_TARGETREF) #define ARGI_COND_REF_OF_OP ARGI_LIST2 (ARGI_OBJECT_REF, ARGI_TARGETREF) #define ARGI_CONNECTFIELD_OP ARGI_INVALID_OPCODE @@ -285,6 +285,7 @@ #define ARGI_NAMEPATH_OP ARGI_INVALID_OPCODE #define ARGI_NOOP_OP ARG_NONE #define ARGI_NOTIFY_OP ARGI_LIST2 (ARGI_DEVICE_REF, ARGI_INTEGER) +#define ARGI_OBJECT_TYPE_OP ARGI_LIST1 (ARGI_ANYTYPE) #define ARGI_ONE_OP ARG_NONE #define ARGI_ONES_OP ARG_NONE #define ARGI_PACKAGE_OP ARGI_LIST1 (ARGI_INTEGER) @@ -318,7 +319,6 @@ #define ARGI_TO_HEX_STR_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET) #define ARGI_TO_INTEGER_OP ARGI_LIST2 (ARGI_COMPUTEDATA,ARGI_FIXED_TARGET) #define ARGI_TO_STRING_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_FIXED_TARGET) -#define ARGI_TYPE_OP ARGI_LIST1 (ARGI_ANYTYPE) #define ARGI_UNLOAD_OP ARGI_LIST1 (ARGI_DDBHANDLE) #define ARGI_VAR_PACKAGE_OP ARGI_LIST1 (ARGI_INTEGER) #define ARGI_WAIT_OP ARGI_LIST2 (ARGI_EVENT, ARGI_INTEGER) diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h index 8fc8c7c..96d510a 100644 --- a/drivers/acpi/acpica/acparser.h +++ b/drivers/acpi/acpica/acparser.h @@ -92,7 +92,13 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state, acpi_status acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, struct acpi_parse_state *parser_state, - union acpi_parse_object *arg, u8 method_call); + union acpi_parse_object *arg, + u8 possible_method_call); + +/* Values for u8 above */ + +#define ACPI_NOT_METHOD_CALL FALSE +#define ACPI_POSSIBLE_METHOD_CALL TRUE acpi_status acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 8b8fef6..9e84c05 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -184,24 +184,24 @@ acpi_status acpi_ut_init_globals(void); #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) -char *acpi_ut_get_mutex_name(u32 mutex_id); +const char *acpi_ut_get_mutex_name(u32 mutex_id); const char *acpi_ut_get_notify_name(u32 notify_value, acpi_object_type type); #endif -char *acpi_ut_get_type_name(acpi_object_type type); +const char *acpi_ut_get_type_name(acpi_object_type type); -char *acpi_ut_get_node_name(void *object); +const char *acpi_ut_get_node_name(void *object); -char *acpi_ut_get_descriptor_name(void *object); +const char *acpi_ut_get_descriptor_name(void *object); const char *acpi_ut_get_reference_name(union acpi_operand_object *object); -char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc); +const char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc); -char *acpi_ut_get_region_name(u8 space_id); +const char *acpi_ut_get_region_name(u8 space_id); -char *acpi_ut_get_event_name(u32 event_id); +const char *acpi_ut_get_event_name(u32 event_id); char acpi_ut_hex_to_ascii_char(u64 integer, u32 position); @@ -353,14 +353,6 @@ acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node, u8 method_count, u8 *out_values); /* - * utfileio - file operations - */ -#ifdef ACPI_APPLICATION -acpi_status -acpi_ut_read_table_from_file(char *filename, struct acpi_table_header **table); -#endif - -/* * utids - device ID support */ acpi_status @@ -372,10 +364,6 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node, struct acpi_pnp_device_id ** return_id); acpi_status -acpi_ut_execute_SUB(struct acpi_namespace_node *device_node, - struct acpi_pnp_device_id **return_id); - -acpi_status acpi_ut_execute_CID(struct acpi_namespace_node *device_node, struct acpi_pnp_device_id_list ** return_cid_list); diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h index 883f20c..ab9f3f1 100644 --- a/drivers/acpi/acpica/amlcode.h +++ b/drivers/acpi/acpica/amlcode.h @@ -120,7 +120,7 @@ #define AML_CREATE_WORD_FIELD_OP (u16) 0x8b #define AML_CREATE_BYTE_FIELD_OP (u16) 0x8c #define AML_CREATE_BIT_FIELD_OP (u16) 0x8d -#define AML_TYPE_OP (u16) 0x8e +#define AML_OBJECT_TYPE_OP (u16) 0x8e #define AML_CREATE_QWORD_FIELD_OP (u16) 0x8f /* ACPI 2.0 */ #define AML_LAND_OP (u16) 0x90 #define AML_LOR_OP (u16) 0x91 @@ -238,7 +238,8 @@ #define ARGP_TERMLIST 0x0F #define ARGP_WORDDATA 0x10 #define ARGP_QWORDDATA 0x11 -#define ARGP_SIMPLENAME 0x12 +#define ARGP_SIMPLENAME 0x12 /* name_string | local_term | arg_term */ +#define ARGP_NAME_OR_REF 0x13 /* For object_type only */ /* * Resolved argument types for the AML Interpreter diff --git a/drivers/acpi/acpica/dbcmds.c b/drivers/acpi/acpica/dbcmds.c index 30414b3..328c35b 100644 --- a/drivers/acpi/acpica/dbcmds.c +++ b/drivers/acpi/acpica/dbcmds.c @@ -798,7 +798,7 @@ acpi_db_device_resources(acpi_handle obj_handle, acpi_status status; node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle); - parent_path = acpi_ns_get_external_pathname(node); + parent_path = acpi_ns_get_normalized_pathname(node, TRUE); if (!parent_path) { return (AE_NO_MEMORY); } @@ -1131,13 +1131,8 @@ void acpi_db_trace(char *enable_arg, char *method_arg, char *once_arg) u32 debug_layer = 0; u32 flags = 0; - if (enable_arg) { - acpi_ut_strupr(enable_arg); - } - - if (once_arg) { - acpi_ut_strupr(once_arg); - } + acpi_ut_strupr(enable_arg); + acpi_ut_strupr(once_arg); if (method_arg) { if (acpi_db_trace_method_name) { diff --git a/drivers/acpi/acpica/dbdisply.c b/drivers/acpi/acpica/dbdisply.c index 672977e..1965b48 100644 --- a/drivers/acpi/acpica/dbdisply.c +++ b/drivers/acpi/acpica/dbdisply.c @@ -48,6 +48,7 @@ #include "acnamesp.h" #include "acparser.h" #include "acinterp.h" +#include "acevents.h" #include "acdebug.h" #define _COMPONENT ACPI_CA_DEBUGGER @@ -588,7 +589,7 @@ void acpi_db_display_calling_tree(void) * * FUNCTION: acpi_db_display_object_type * - * PARAMETERS: name - User entered NS node handle or name + * PARAMETERS: object_arg - User entered NS node handle * * RETURN: None * @@ -596,44 +597,34 @@ void acpi_db_display_calling_tree(void) * ******************************************************************************/ -void acpi_db_display_object_type(char *name) +void acpi_db_display_object_type(char *object_arg) { - struct acpi_namespace_node *node; + acpi_handle handle; struct acpi_device_info *info; acpi_status status; u32 i; - node = acpi_db_convert_to_node(name); - if (!node) { - return; - } + handle = ACPI_TO_POINTER(strtoul(object_arg, NULL, 16)); - status = acpi_get_object_info(ACPI_CAST_PTR(acpi_handle, node), &info); + status = acpi_get_object_info(handle, &info); if (ACPI_FAILURE(status)) { acpi_os_printf("Could not get object info, %s\n", acpi_format_exception(status)); return; } - if (info->valid & ACPI_VALID_ADR) { - acpi_os_printf("ADR: %8.8X%8.8X, STA: %8.8X, Flags: %X\n", - ACPI_FORMAT_UINT64(info->address), - info->current_status, info->flags); - } - if (info->valid & ACPI_VALID_SXDS) { - acpi_os_printf("S1D-%2.2X S2D-%2.2X S3D-%2.2X S4D-%2.2X\n", - info->highest_dstates[0], - info->highest_dstates[1], - info->highest_dstates[2], - info->highest_dstates[3]); - } - if (info->valid & ACPI_VALID_SXWS) { - acpi_os_printf - ("S0W-%2.2X S1W-%2.2X S2W-%2.2X S3W-%2.2X S4W-%2.2X\n", - info->lowest_dstates[0], info->lowest_dstates[1], - info->lowest_dstates[2], info->lowest_dstates[3], - info->lowest_dstates[4]); - } + acpi_os_printf("ADR: %8.8X%8.8X, STA: %8.8X, Flags: %X\n", + ACPI_FORMAT_UINT64(info->address), + info->current_status, info->flags); + + acpi_os_printf("S1D-%2.2X S2D-%2.2X S3D-%2.2X S4D-%2.2X\n", + info->highest_dstates[0], info->highest_dstates[1], + info->highest_dstates[2], info->highest_dstates[3]); + + acpi_os_printf("S0W-%2.2X S1W-%2.2X S2W-%2.2X S3W-%2.2X S4W-%2.2X\n", + info->lowest_dstates[0], info->lowest_dstates[1], + info->lowest_dstates[2], info->lowest_dstates[3], + info->lowest_dstates[4]); if (info->valid & ACPI_VALID_HID) { acpi_os_printf("HID: %s\n", info->hardware_id.string); @@ -643,10 +634,6 @@ void acpi_db_display_object_type(char *name) acpi_os_printf("UID: %s\n", info->unique_id.string); } - if (info->valid & ACPI_VALID_SUB) { - acpi_os_printf("SUB: %s\n", info->subsystem_id.string); - } - if (info->valid & ACPI_VALID_CID) { for (i = 0; i < info->compatible_id_list.count; i++) { acpi_os_printf("CID %u: %s\n", i, @@ -679,6 +666,12 @@ acpi_db_display_result_object(union acpi_operand_object *obj_desc, struct acpi_walk_state *walk_state) { +#ifndef ACPI_APPLICATION + if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) { + return; + } +#endif + /* Only display if single stepping */ if (!acpi_gbl_cm_single_step) { @@ -708,6 +701,12 @@ acpi_db_display_argument_object(union acpi_operand_object *obj_desc, struct acpi_walk_state *walk_state) { +#ifndef ACPI_APPLICATION + if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) { + return; + } +#endif + if (!acpi_gbl_cm_single_step) { return; } @@ -951,28 +950,25 @@ void acpi_db_display_handlers(void) if (obj_desc) { for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_space_id_list); i++) { space_id = acpi_gbl_space_id_list[i]; - handler_obj = obj_desc->device.handler; acpi_os_printf(ACPI_PREDEFINED_PREFIX, acpi_ut_get_region_name((u8)space_id), space_id); - while (handler_obj) { - if (acpi_gbl_space_id_list[i] == - handler_obj->address_space.space_id) { - acpi_os_printf - (ACPI_HANDLER_PRESENT_STRING, - (handler_obj->address_space. - handler_flags & - ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) - ? "Default" : "User", - handler_obj->address_space. - handler); - - goto found_handler; - } + handler_obj = + acpi_ev_find_region_handler(space_id, + obj_desc->common_notify. + handler); + if (handler_obj) { + acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, + (handler_obj->address_space. + handler_flags & + ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) + ? "Default" : "User", + handler_obj->address_space. + handler); - handler_obj = handler_obj->address_space.next; + goto found_handler; } /* There is no handler for this space_id */ @@ -984,7 +980,7 @@ found_handler: ; /* Find all handlers for user-defined space_IDs */ - handler_obj = obj_desc->device.handler; + handler_obj = obj_desc->common_notify.handler; while (handler_obj) { if (handler_obj->address_space.space_id >= ACPI_USER_REGION_BEGIN) { @@ -1079,14 +1075,14 @@ acpi_db_display_non_root_handlers(acpi_handle obj_handle, return (AE_OK); } - pathname = acpi_ns_get_external_pathname(node); + pathname = acpi_ns_get_normalized_pathname(node, TRUE); if (!pathname) { return (AE_OK); } /* Display all handlers associated with this device */ - handler_obj = obj_desc->device.handler; + handler_obj = obj_desc->common_notify.handler; while (handler_obj) { acpi_os_printf(ACPI_PREDEFINED_PREFIX, acpi_ut_get_region_name((u8)handler_obj-> diff --git a/drivers/acpi/acpica/dbfileio.c b/drivers/acpi/acpica/dbfileio.c index d0e6b20..31f54d7 100644 --- a/drivers/acpi/acpica/dbfileio.c +++ b/drivers/acpi/acpica/dbfileio.c @@ -46,6 +46,10 @@ #include "accommon.h" #include "acdebug.h" #include "actables.h" +#include <stdio.h> +#ifdef ACPI_APPLICATION +#include "acapps.h" +#endif #define _COMPONENT ACPI_CA_DEBUGGER ACPI_MODULE_NAME("dbfileio") @@ -110,122 +114,31 @@ void acpi_db_open_debug_file(char *name) } #endif -#ifdef ACPI_APPLICATION -#include "acapps.h" - -/******************************************************************************* - * - * FUNCTION: ae_local_load_table - * - * PARAMETERS: table - pointer to a buffer containing the entire - * table to be loaded - * - * RETURN: Status - * - * DESCRIPTION: This function is called to load a table from the caller's - * buffer. The buffer must contain an entire ACPI Table including - * a valid header. The header fields will be verified, and if it - * is determined that the table is invalid, the call will fail. - * - ******************************************************************************/ - -static acpi_status ae_local_load_table(struct acpi_table_header *table) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ae_local_load_table); - -#if 0 -/* struct acpi_table_desc table_info; */ - - if (!table) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - table_info.pointer = table; - status = acpi_tb_recognize_table(&table_info, ACPI_TABLE_ALL); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Install the new table into the local data structures */ - - status = acpi_tb_init_table_descriptor(&table_info); - if (ACPI_FAILURE(status)) { - if (status == AE_ALREADY_EXISTS) { - - /* Table already exists, no error */ - - status = AE_OK; - } - - /* Free table allocated by acpi_tb_get_table */ - - acpi_tb_delete_single_table(&table_info); - return_ACPI_STATUS(status); - } -#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY)) - - status = - acpi_ns_load_table(table_info.installed_desc, acpi_gbl_root_node); - if (ACPI_FAILURE(status)) { - - /* Uninstall table and free the buffer */ - - acpi_tb_delete_tables_by_type(ACPI_TABLE_ID_DSDT); - return_ACPI_STATUS(status); - } -#endif -#endif - - return_ACPI_STATUS(status); -} -#endif - /******************************************************************************* * - * FUNCTION: acpi_db_get_table_from_file + * FUNCTION: acpi_db_load_tables * - * PARAMETERS: filename - File where table is located - * return_table - Where a pointer to the table is returned + * PARAMETERS: list_head - List of ACPI tables to load * * RETURN: Status * - * DESCRIPTION: Load an ACPI table from a file + * DESCRIPTION: Load ACPI tables from a previously constructed table list. * ******************************************************************************/ -acpi_status -acpi_db_get_table_from_file(char *filename, - struct acpi_table_header **return_table, - u8 must_be_aml_file) +acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head) { -#ifdef ACPI_APPLICATION acpi_status status; + struct acpi_new_table_desc *table_list_head; struct acpi_table_header *table; - u8 is_aml_table = TRUE; - - status = acpi_ut_read_table_from_file(filename, &table); - if (ACPI_FAILURE(status)) { - return (status); - } - - if (must_be_aml_file) { - is_aml_table = acpi_ut_is_aml_table(table); - if (!is_aml_table) { - ACPI_EXCEPTION((AE_INFO, AE_OK, - "Input for -e is not an AML table: " - "\"%4.4s\" (must be DSDT/SSDT)", - table->signature)); - return (AE_TYPE); - } - } - if (is_aml_table) { + /* Load all ACPI tables in the list */ - /* Attempt to recognize and install the table */ + table_list_head = list_head; + while (table_list_head) { + table = table_list_head->table; - status = ae_local_load_table(table); + status = acpi_load_table(table); if (ACPI_FAILURE(status)) { if (status == AE_ALREADY_EXISTS) { acpi_os_printf @@ -239,18 +152,12 @@ acpi_db_get_table_from_file(char *filename, return (status); } - acpi_tb_print_table_header(0, table); - fprintf(stderr, "Acpi table [%4.4s] successfully installed and loaded\n", table->signature); - } - acpi_gbl_acpi_hardware_present = FALSE; - if (return_table) { - *return_table = table; + table_list_head = table_list_head->next; } -#endif /* ACPI_APPLICATION */ return (AE_OK); } diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c index 0480254..6203001 100644 --- a/drivers/acpi/acpica/dbinput.c +++ b/drivers/acpi/acpica/dbinput.c @@ -45,6 +45,10 @@ #include "accommon.h" #include "acdebug.h" +#ifdef ACPI_APPLICATION +#include "acapps.h" +#endif + #define _COMPONENT ACPI_CA_DEBUGGER ACPI_MODULE_NAME("dbinput") @@ -53,8 +57,6 @@ static u32 acpi_db_get_line(char *input_buffer); static u32 acpi_db_match_command(char *user_command); -static void acpi_db_single_thread(void); - static void acpi_db_display_command_info(char *command, u8 display_all); static void acpi_db_display_help(char *command); @@ -623,9 +625,7 @@ static u32 acpi_db_get_line(char *input_buffer) /* Uppercase the actual command */ - if (acpi_gbl_db_args[0]) { - acpi_ut_strupr(acpi_gbl_db_args[0]); - } + acpi_ut_strupr(acpi_gbl_db_args[0]); count = i; if (count) { @@ -1050,11 +1050,17 @@ acpi_db_command_dispatch(char *input_buffer, acpi_db_close_debug_file(); break; - case CMD_LOAD: + case CMD_LOAD:{ + struct acpi_new_table_desc *list_head = NULL; - status = - acpi_db_get_table_from_file(acpi_gbl_db_args[1], NULL, - FALSE); + status = + ac_get_all_tables_from_file(acpi_gbl_db_args[1], + ACPI_GET_ALL_TABLES, + &list_head); + if (ACPI_SUCCESS(status)) { + acpi_db_load_tables(list_head); + } + } break; case CMD_OPEN: @@ -1149,55 +1155,16 @@ acpi_db_command_dispatch(char *input_buffer, void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context) { - acpi_status status = AE_OK; - acpi_status Mstatus; - - while (status != AE_CTRL_TERMINATE && !acpi_gbl_db_terminate_loop) { - acpi_gbl_method_executing = FALSE; - acpi_gbl_step_to_next_call = FALSE; - - Mstatus = acpi_os_acquire_mutex(acpi_gbl_db_command_ready, - ACPI_WAIT_FOREVER); - if (ACPI_FAILURE(Mstatus)) { - return; - } - - status = - acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL, NULL); - acpi_os_release_mutex(acpi_gbl_db_command_complete); - } + (void)acpi_db_user_commands(); acpi_gbl_db_threads_terminated = TRUE; } /******************************************************************************* * - * FUNCTION: acpi_db_single_thread - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Debugger execute thread. Waits for a command line, then - * simply dispatches it. - * - ******************************************************************************/ - -static void acpi_db_single_thread(void) -{ - - acpi_gbl_method_executing = FALSE; - acpi_gbl_step_to_next_call = FALSE; - - (void)acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL, NULL); -} - -/******************************************************************************* - * * FUNCTION: acpi_db_user_commands * - * PARAMETERS: prompt - User prompt (depends on mode) - * op - Current executing parse op + * PARAMETERS: None * * RETURN: None * @@ -1206,7 +1173,7 @@ static void acpi_db_single_thread(void) * ******************************************************************************/ -acpi_status acpi_db_user_commands(char prompt, union acpi_parse_object *op) +acpi_status acpi_db_user_commands(void) { acpi_status status = AE_OK; @@ -1216,52 +1183,31 @@ acpi_status acpi_db_user_commands(char prompt, union acpi_parse_object *op) while (!acpi_gbl_db_terminate_loop) { - /* Force output to console until a command is entered */ - - acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); - - /* Different prompt if method is executing */ - - if (!acpi_gbl_method_executing) { - acpi_os_printf("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT); - } else { - acpi_os_printf("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT); - } + /* Wait the readiness of the command */ - /* Get the user input line */ - - status = acpi_os_get_line(acpi_gbl_db_line_buf, - ACPI_DB_LINE_BUFFER_SIZE, NULL); + status = acpi_os_wait_command_ready(); if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "While parsing command line")); - return (status); + break; } - /* Check for single or multithreaded debug */ + /* Just call to the command line interpreter */ - if (acpi_gbl_debugger_configuration & DEBUGGER_MULTI_THREADED) { - /* - * Signal the debug thread that we have a command to execute, - * and wait for the command to complete. - */ - acpi_os_release_mutex(acpi_gbl_db_command_ready); - if (ACPI_FAILURE(status)) { - return (status); - } + acpi_gbl_method_executing = FALSE; + acpi_gbl_step_to_next_call = FALSE; - status = - acpi_os_acquire_mutex(acpi_gbl_db_command_complete, - ACPI_WAIT_FOREVER); - if (ACPI_FAILURE(status)) { - return (status); - } - } else { - /* Just call to the command line interpreter */ + (void)acpi_db_command_dispatch(acpi_gbl_db_line_buf, NULL, + NULL); + + /* Notify the completion of the command */ - acpi_db_single_thread(); + status = acpi_os_notify_command_complete(); + if (ACPI_FAILURE(status)) { + break; } } + if (ACPI_FAILURE(status) && status != AE_CTRL_TERMINATE) { + ACPI_EXCEPTION((AE_INFO, status, "While parsing command line")); + } return (status); } diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 04ff1eb..4f68dfc 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -438,7 +438,7 @@ acpi_db_walk_for_predefined_names(acpi_handle obj_handle, return (AE_OK); } - pathname = acpi_ns_get_external_pathname(node); + pathname = acpi_ns_get_normalized_pathname(node, TRUE); if (!pathname) { return (AE_OK); } diff --git a/drivers/acpi/acpica/dbstats.c b/drivers/acpi/acpica/dbstats.c index 4ba0a20..de255d9 100644 --- a/drivers/acpi/acpica/dbstats.c +++ b/drivers/acpi/acpica/dbstats.c @@ -382,6 +382,7 @@ acpi_status acpi_db_display_statistics(char *type_arg) acpi_gbl_node_type_count[i], acpi_gbl_obj_type_count[i]); } + acpi_os_printf("%16.16s % 10ld% 10ld\n", "Misc/Unknown", acpi_gbl_node_type_count_misc, acpi_gbl_obj_type_count_misc); diff --git a/drivers/acpi/acpica/dbtest.c b/drivers/acpi/acpica/dbtest.c index 10ea8bf..68b4e8d 100644 --- a/drivers/acpi/acpica/dbtest.c +++ b/drivers/acpi/acpica/dbtest.c @@ -953,7 +953,7 @@ acpi_db_evaluate_one_predefined_name(acpi_handle obj_handle, return (AE_OK); } - pathname = acpi_ns_get_external_pathname(node); + pathname = acpi_ns_get_normalized_pathname(node, TRUE); if (!pathname) { return (AE_OK); } diff --git a/drivers/acpi/acpica/dbutils.c b/drivers/acpi/acpica/dbutils.c index 86790e0..8c85d85 100644 --- a/drivers/acpi/acpica/dbutils.c +++ b/drivers/acpi/acpica/dbutils.c @@ -173,6 +173,7 @@ void acpi_db_dump_external_object(union acpi_object *obj_desc, u32 level) if (obj_desc->buffer.length > 16) { acpi_os_printf("\n"); } + acpi_ut_debug_dump_buffer(ACPI_CAST_PTR (u8, obj_desc->buffer.pointer), diff --git a/drivers/acpi/acpica/dbxface.c b/drivers/acpi/acpica/dbxface.c index 342298a..d7ff58e 100644 --- a/drivers/acpi/acpica/dbxface.c +++ b/drivers/acpi/acpica/dbxface.c @@ -85,46 +85,21 @@ acpi_db_start_command(struct acpi_walk_state *walk_state, acpi_gbl_method_executing = TRUE; status = AE_CTRL_TRUE; - while (status == AE_CTRL_TRUE) { - if (acpi_gbl_debugger_configuration == DEBUGGER_MULTI_THREADED) { - - /* Handshake with the front-end that gets user command lines */ - - acpi_os_release_mutex(acpi_gbl_db_command_complete); - - status = - acpi_os_acquire_mutex(acpi_gbl_db_command_ready, - ACPI_WAIT_FOREVER); - if (ACPI_FAILURE(status)) { - return (status); - } - } else { - /* Single threaded, we must get a command line ourselves */ - - /* Force output to console until a command is entered */ - acpi_db_set_output_destination(ACPI_DB_CONSOLE_OUTPUT); + while (status == AE_CTRL_TRUE) { - /* Different prompt if method is executing */ + /* Notify the completion of the command */ - if (!acpi_gbl_method_executing) { - acpi_os_printf("%1c ", - ACPI_DEBUGGER_COMMAND_PROMPT); - } else { - acpi_os_printf("%1c ", - ACPI_DEBUGGER_EXECUTE_PROMPT); - } + status = acpi_os_notify_command_complete(); + if (ACPI_FAILURE(status)) { + goto error_exit; + } - /* Get the user input line */ + /* Wait the readiness of the command */ - status = acpi_os_get_line(acpi_gbl_db_line_buf, - ACPI_DB_LINE_BUFFER_SIZE, - NULL); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "While parsing command line")); - return (status); - } + status = acpi_os_wait_command_ready(); + if (ACPI_FAILURE(status)) { + goto error_exit; } status = @@ -134,11 +109,46 @@ acpi_db_start_command(struct acpi_walk_state *walk_state, /* acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); */ +error_exit: + if (ACPI_FAILURE(status) && status != AE_CTRL_TERMINATE) { + ACPI_EXCEPTION((AE_INFO, status, + "While parsing/handling command line")); + } return (status); } /******************************************************************************* * + * FUNCTION: acpi_db_signal_break_point + * + * PARAMETERS: walk_state - Current walk + * + * RETURN: Status + * + * DESCRIPTION: Called for AML_BREAK_POINT_OP + * + ******************************************************************************/ + +void acpi_db_signal_break_point(struct acpi_walk_state *walk_state) +{ + +#ifndef ACPI_APPLICATION + if (acpi_gbl_db_thread_id != acpi_os_get_thread_id()) { + return; + } +#endif + + /* + * Set the single-step flag. This will cause the debugger (if present) + * to break to the console within the AML debugger at the start of the + * next AML instruction. + */ + acpi_gbl_cm_single_step = TRUE; + acpi_os_printf("**break** Executed AML BreakPoint opcode\n"); +} + +/******************************************************************************* + * * FUNCTION: acpi_db_single_step * * PARAMETERS: walk_state - Current walk @@ -420,15 +430,7 @@ acpi_status acpi_initialize_debugger(void) /* These were created with one unit, grab it */ - status = acpi_os_acquire_mutex(acpi_gbl_db_command_complete, - ACPI_WAIT_FOREVER); - if (ACPI_FAILURE(status)) { - acpi_os_printf("Could not get debugger mutex\n"); - return_ACPI_STATUS(status); - } - - status = acpi_os_acquire_mutex(acpi_gbl_db_command_ready, - ACPI_WAIT_FOREVER); + status = acpi_os_initialize_command_signals(); if (ACPI_FAILURE(status)) { acpi_os_printf("Could not get debugger mutex\n"); return_ACPI_STATUS(status); @@ -473,13 +475,14 @@ void acpi_terminate_debugger(void) acpi_gbl_db_terminate_loop = TRUE; if (acpi_gbl_debugger_configuration & DEBUGGER_MULTI_THREADED) { - acpi_os_release_mutex(acpi_gbl_db_command_ready); /* Wait the AML Debugger threads */ while (!acpi_gbl_db_threads_terminated) { acpi_os_sleep(100); } + + acpi_os_terminate_command_signals(); } if (acpi_gbl_db_buffer) { diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c index e2ab59e..76cfced 100644 --- a/drivers/acpi/acpica/dsargs.c +++ b/drivers/acpi/acpica/dsargs.c @@ -194,8 +194,8 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc) extra_desc = acpi_ns_get_secondary_object(obj_desc); node = obj_desc->buffer_field.node; - ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_BUFFER_FIELD, - node, NULL)); + ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname + (ACPI_TYPE_BUFFER_FIELD, node, NULL)); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n", acpi_ut_get_node_name(node))); @@ -385,7 +385,8 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc) ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_REGION, node, NULL)); - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n", + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[%4.4s] OpRegion Arg Init at AML %p\n", acpi_ut_get_node_name(node), extra_desc->extra.aml_start)); diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index 435fc16..06a6f7f 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -47,6 +47,7 @@ #include "amlcode.h" #include "acdispat.h" #include "acinterp.h" +#include "acdebug.h" #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dscontrol") @@ -348,14 +349,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, case AML_BREAK_POINT_OP: - /* - * Set the single-step flag. This will cause the debugger (if present) - * to break to the console within the AML debugger at the start of the - * next AML instruction. - */ - ACPI_DEBUGGER_EXEC(acpi_gbl_cm_single_step = TRUE); - ACPI_DEBUGGER_EXEC(acpi_os_printf - ("**break** Executed AML BreakPoint opcode\n")); + acpi_db_signal_break_point(walk_state); /* Call to the OSL in case OS wants a piece of the action */ diff --git a/drivers/acpi/acpica/dsdebug.c b/drivers/acpi/acpica/dsdebug.c index 309556e..1eb82bd 100644 --- a/drivers/acpi/acpica/dsdebug.c +++ b/drivers/acpi/acpica/dsdebug.c @@ -161,6 +161,7 @@ acpi_ds_dump_method_stack(acpi_status status, ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "\n**** Exception %s during execution of method ", acpi_format_exception(status))); + acpi_ds_print_node_pathname(walk_state->method_node, NULL); /* Display stack of executing methods */ @@ -203,8 +204,8 @@ acpi_ds_dump_method_stack(acpi_status status, } else { /* * This method has called another method - * NOTE: the method call parse subtree is already deleted at this - * point, so we cannot disassemble the method invocation. + * NOTE: the method call parse subtree is already deleted at + * this point, so we cannot disassemble the method invocation. */ ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "Call to method ")); diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c index 20de148..6bca0ec 100644 --- a/drivers/acpi/acpica/dsfield.c +++ b/drivers/acpi/acpica/dsfield.c @@ -106,6 +106,7 @@ acpi_ds_create_external_region(acpi_status lookup_status, * insert the name into the namespace. */ acpi_dm_add_op_to_external_list(op, path, ACPI_TYPE_REGION, 0, 0); + status = acpi_ns_lookup(walk_state->scope_info, path, ACPI_TYPE_REGION, ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT, walk_state, node); @@ -202,11 +203,10 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, /* Enter the name_string into the namespace */ - status = - acpi_ns_lookup(walk_state->scope_info, - arg->common.value.string, ACPI_TYPE_ANY, - ACPI_IMODE_LOAD_PASS1, flags, walk_state, - &node); + status = acpi_ns_lookup(walk_state->scope_info, + arg->common.value.string, ACPI_TYPE_ANY, + ACPI_IMODE_LOAD_PASS1, flags, + walk_state, &node); if (ACPI_FAILURE(status)) { ACPI_ERROR_NAMESPACE(arg->common.value.string, status); return_ACPI_STATUS(status); @@ -244,8 +244,8 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, } /* - * Remember location in AML stream of the field unit opcode and operands -- - * since the buffer and index operands must be evaluated. + * Remember location in AML stream of the field unit opcode and operands + * -- since the buffer and index operands must be evaluated. */ second_desc = obj_desc->common.next_object; second_desc->extra.aml_start = op->named.data; @@ -310,8 +310,8 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info, switch (arg->common.aml_opcode) { case AML_INT_RESERVEDFIELD_OP: - position = (u64) info->field_bit_position - + (u64) arg->common.value.size; + position = (u64)info->field_bit_position + + (u64)arg->common.value.size; if (position > ACPI_UINT32_MAX) { ACPI_ERROR((AE_INFO, @@ -344,13 +344,13 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info, /* access_attribute (attrib_quick, attrib_byte, etc.) */ - info->attribute = - (u8)((arg->common.value.integer >> 8) & 0xFF); + info->attribute = (u8) + ((arg->common.value.integer >> 8) & 0xFF); /* access_length (for serial/buffer protocols) */ - info->access_length = - (u8)((arg->common.value.integer >> 16) & 0xFF); + info->access_length = (u8) + ((arg->common.value.integer >> 16) & 0xFF); break; case AML_INT_CONNECTION_OP: @@ -425,8 +425,8 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info, /* Keep track of bit position for the next field */ - position = (u64) info->field_bit_position - + (u64) arg->common.value.size; + position = (u64)info->field_bit_position + + (u64)arg->common.value.size; if (position > ACPI_UINT32_MAX) { ACPI_ERROR((AE_INFO, @@ -716,11 +716,12 @@ acpi_ds_create_bank_field(union acpi_parse_object *op, /* * Use Info.data_register_node to store bank_field Op - * It's safe because data_register_node will never be used when create bank field - * We store aml_start and aml_length in the bank_field Op for late evaluation - * Used in acpi_ex_prep_field_value(Info) + * It's safe because data_register_node will never be used when create + * bank field \we store aml_start and aml_length in the bank_field Op for + * late evaluation. Used in acpi_ex_prep_field_value(Info) * - * TBD: Or, should we add a field in struct acpi_create_field_info, like "void *ParentOp"? + * TBD: Or, should we add a field in struct acpi_create_field_info, like + * "void *ParentOp"? */ info.data_register_node = (struct acpi_namespace_node *)op; diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index 920f1b1..c1d8af8 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -247,7 +247,7 @@ acpi_ds_initialize_objects(u32 table_index, /* Summary of objects initialized */ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, - "Table [%4.4s:%8.8s] (id %.2X) - %4u Objects with %3u Devices, " + "Table [%4.4s: %-8.8s] (id %.2X) - %4u Objects with %3u Devices, " "%3u Regions, %4u Methods (%u/%u/%u Serial/Non/Cvt)\n", table->signature, table->oem_table_id, owner_id, info.object_count, info.device_count, diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index bc32f31..6585e8e 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -118,10 +118,9 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node, return_ACPI_STATUS(AE_NO_MEMORY); } - status = - acpi_ds_init_aml_walk(walk_state, op, node, - obj_desc->method.aml_start, - obj_desc->method.aml_length, NULL, 0); + status = acpi_ds_init_aml_walk(walk_state, op, node, + obj_desc->method.aml_start, + obj_desc->method.aml_length, NULL, 0); if (ACPI_FAILURE(status)) { acpi_ds_delete_walk_state(walk_state); acpi_ps_free_op(op); @@ -375,7 +374,8 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, && (walk_state->thread->current_sync_level > obj_desc->method.mutex->mutex.sync_level)) { ACPI_ERROR((AE_INFO, - "Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%u)", + "Cannot acquire Mutex for method [%4.4s]" + ", current SyncLevel is too large (%u)", acpi_ut_get_node_name(method_node), walk_state->thread->current_sync_level)); @@ -411,8 +411,19 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, obj_desc->method.mutex->mutex.thread_id = walk_state->thread->thread_id; - walk_state->thread->current_sync_level = - obj_desc->method.sync_level; + + /* + * Update the current sync_level only if this is not an auto- + * serialized method. In the auto case, we have to ignore + * the sync level for the method mutex (created for the + * auto-serialization) because we have no idea of what the + * sync level should be. Therefore, just ignore it. + */ + if (!(obj_desc->method.info_flags & + ACPI_METHOD_IGNORE_SYNC_LEVEL)) { + walk_state->thread->current_sync_level = + obj_desc->method.sync_level; + } } else { obj_desc->method.mutex->mutex. original_sync_level = @@ -501,16 +512,18 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, /* Init for new method, possibly wait on method mutex */ - status = acpi_ds_begin_method_execution(method_node, obj_desc, - this_walk_state); + status = + acpi_ds_begin_method_execution(method_node, obj_desc, + this_walk_state); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } /* Begin method parse/execution. Create a new walk state */ - next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id, - NULL, obj_desc, thread); + next_walk_state = + acpi_ds_create_walk_state(obj_desc->method.owner_id, NULL, obj_desc, + thread); if (!next_walk_state) { status = AE_NO_MEMORY; goto cleanup; @@ -797,7 +810,8 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, info_flags & ACPI_METHOD_SERIALIZED_PENDING) { if (walk_state) { ACPI_INFO((AE_INFO, - "Marking method %4.4s as Serialized because of AE_ALREADY_EXISTS error", + "Marking method %4.4s as Serialized " + "because of AE_ALREADY_EXISTS error", walk_state->method_node->name. ascii)); } @@ -815,6 +829,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, */ method_desc->method.info_flags &= ~ACPI_METHOD_SERIALIZED_PENDING; + method_desc->method.info_flags |= (ACPI_METHOD_SERIALIZED | ACPI_METHOD_IGNORE_SYNC_LEVEL); diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c index 2e4c42b..03c44f2 100644 --- a/drivers/acpi/acpica/dsmthdat.c +++ b/drivers/acpi/acpica/dsmthdat.c @@ -99,6 +99,7 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state) for (i = 0; i < ACPI_METHOD_NUM_ARGS; i++) { ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name, NAMEOF_ARG_NTE); + walk_state->arguments[i].name.integer |= (i << 24); walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED; walk_state->arguments[i].type = ACPI_TYPE_ANY; @@ -201,7 +202,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params, if (!params) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "No param list passed to method\n")); + "No parameter list passed to method\n")); return_ACPI_STATUS(AE_OK); } @@ -214,9 +215,9 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params, * Store the argument in the method/walk descriptor. * Do not copy the arg in order to implement call by reference */ - status = acpi_ds_method_data_set_value(ACPI_REFCLASS_ARG, index, - params[index], - walk_state); + status = + acpi_ds_method_data_set_value(ACPI_REFCLASS_ARG, index, + params[index], walk_state); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -610,11 +611,11 @@ acpi_ds_store_object_to_local(u8 type, * do the indirect store */ if ((ACPI_GET_DESCRIPTOR_TYPE(current_obj_desc) == - ACPI_DESC_TYPE_OPERAND) - && (current_obj_desc->common.type == - ACPI_TYPE_LOCAL_REFERENCE) - && (current_obj_desc->reference.class == - ACPI_REFCLASS_REFOF)) { + ACPI_DESC_TYPE_OPERAND) && + (current_obj_desc->common.type == + ACPI_TYPE_LOCAL_REFERENCE) && + (current_obj_desc->reference.class == + ACPI_REFCLASS_REFOF)) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Arg (%p) is an ObjRef(Node), storing in node %p\n", new_obj_desc, @@ -638,6 +639,7 @@ acpi_ds_store_object_to_local(u8 type, if (new_obj_desc != obj_desc) { acpi_ut_remove_reference(new_obj_desc); } + return_ACPI_STATUS(status); } } diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index 2beb7fd..302c91f 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -463,10 +463,10 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, arg->common.node); } } else { - status = acpi_ds_build_internal_object(walk_state, arg, - &obj_desc-> - package. - elements[i]); + status = + acpi_ds_build_internal_object(walk_state, arg, + &obj_desc->package. + elements[i]); } if (*obj_desc_ptr) { @@ -525,7 +525,8 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, } ACPI_INFO((AE_INFO, - "Actual Package length (%u) is larger than NumElements field (%u), truncated", + "Actual Package length (%u) is larger than " + "NumElements field (%u), truncated", i, element_count)); } else if (i < element_count) { /* @@ -533,7 +534,8 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, * Note: this is not an error, the package is padded out with NULLs. */ ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Package List length (%u) smaller than NumElements count (%u), padded with null elements\n", + "Package List length (%u) smaller than NumElements " + "count (%u), padded with null elements\n", i, element_count)); } @@ -584,8 +586,9 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state, /* Build an internal object for the argument(s) */ - status = acpi_ds_build_internal_object(walk_state, op->common.value.arg, - &obj_desc); + status = + acpi_ds_build_internal_object(walk_state, op->common.value.arg, + &obj_desc); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c index 81d7b986..1edd66f 100644 --- a/drivers/acpi/acpica/dsopcode.c +++ b/drivers/acpi/acpica/dsopcode.c @@ -243,8 +243,9 @@ acpi_ds_init_buffer_field(u16 aml_opcode, * For field_flags, use LOCK_RULE = 0 (NO_LOCK), * UPDATE_RULE = 0 (UPDATE_PRESERVE) */ - status = acpi_ex_prep_common_field_object(obj_desc, field_flags, 0, - bit_offset, bit_count); + status = + acpi_ex_prep_common_field_object(obj_desc, field_flags, 0, + bit_offset, bit_count); if (ACPI_FAILURE(status)) { goto cleanup; } @@ -330,8 +331,9 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state, /* Resolve the operands */ - status = acpi_ex_resolve_operands(op->common.aml_opcode, - ACPI_WALK_OPERANDS, walk_state); + status = + acpi_ex_resolve_operands(op->common.aml_opcode, ACPI_WALK_OPERANDS, + walk_state); if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "(%s) bad operand(s), status 0x%X", acpi_ps_get_opcode_name(op->common.aml_opcode), @@ -414,8 +416,9 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, /* Resolve the length and address operands to numbers */ - status = acpi_ex_resolve_operands(op->common.aml_opcode, - ACPI_WALK_OPERANDS, walk_state); + status = + acpi_ex_resolve_operands(op->common.aml_opcode, ACPI_WALK_OPERANDS, + walk_state); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -452,7 +455,6 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, /* Now the address and length are valid for this opregion */ obj_desc->region.flags |= AOPOBJ_DATA_VALID; - return_ACPI_STATUS(status); } @@ -510,8 +512,9 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, * Resolve the Signature string, oem_id string, * and oem_table_id string operands */ - status = acpi_ex_resolve_operands(op->common.aml_opcode, - ACPI_WALK_OPERANDS, walk_state); + status = + acpi_ex_resolve_operands(op->common.aml_opcode, ACPI_WALK_OPERANDS, + walk_state); if (ACPI_FAILURE(status)) { goto cleanup; } diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index ebc577b..fa8e292 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -245,9 +245,9 @@ acpi_ds_is_result_used(union acpi_parse_object * op, * we will use the return value */ if ((walk_state->control_state->common.state == - ACPI_CONTROL_PREDICATE_EXECUTING) - && (walk_state->control_state->control. - predicate_op == op)) { + ACPI_CONTROL_PREDICATE_EXECUTING) && + (walk_state->control_state->control.predicate_op == + op)) { goto result_used; } break; @@ -481,10 +481,9 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, /* Get the entire name string from the AML stream */ - status = - acpi_ex_get_name_string(ACPI_TYPE_ANY, - arg->common.value.buffer, - &name_string, &name_length); + status = acpi_ex_get_name_string(ACPI_TYPE_ANY, + arg->common.value.buffer, + &name_string, &name_length); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); @@ -503,9 +502,8 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, */ if ((walk_state->deferred_node) && (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) - && (arg_index == - (u32) ((walk_state->opcode == - AML_CREATE_FIELD_OP) ? 3 : 2))) { + && (arg_index == (u32) + ((walk_state->opcode == AML_CREATE_FIELD_OP) ? 3 : 2))) { obj_desc = ACPI_CAST_PTR(union acpi_operand_object, walk_state->deferred_node); @@ -522,9 +520,10 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, op_info = acpi_ps_get_opcode_info(parent_op->common. aml_opcode); - if ((op_info->flags & AML_NSNODE) - && (parent_op->common.aml_opcode != - AML_INT_METHODCALL_OP) + + if ((op_info->flags & AML_NSNODE) && + (parent_op->common.aml_opcode != + AML_INT_METHODCALL_OP) && (parent_op->common.aml_opcode != AML_REGION_OP) && (parent_op->common.aml_opcode != AML_INT_NAMEPATH_OP)) { @@ -605,8 +604,8 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } - ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object - (obj_desc, walk_state)); + + acpi_db_display_argument_object(obj_desc, walk_state); } else { /* Check for null name case */ @@ -633,15 +632,16 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_NOT_IMPLEMENTED); } - if ((op_info->flags & AML_HAS_RETVAL) - || (arg->common.flags & ACPI_PARSEOP_IN_STACK)) { + if ((op_info->flags & AML_HAS_RETVAL) || + (arg->common.flags & ACPI_PARSEOP_IN_STACK)) { ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Argument previously created, already stacked\n")); - ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object - (walk_state-> - operands[walk_state->num_operands - - 1], walk_state)); + acpi_db_display_argument_object(walk_state-> + operands[walk_state-> + num_operands - + 1], + walk_state); /* * Use value that was already previously returned @@ -685,8 +685,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, return_ACPI_STATUS(status); } - ACPI_DEBUGGER_EXEC(acpi_db_display_argument_object - (obj_desc, walk_state)); + acpi_db_display_argument_object(obj_desc, walk_state); } return_ACPI_STATUS(AE_OK); diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c index df54d46..ed2f1d3 100644 --- a/drivers/acpi/acpica/dswexec.c +++ b/drivers/acpi/acpica/dswexec.c @@ -172,14 +172,14 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state, cleanup: - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%p\n", + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Completed a predicate eval=%X Op=%p\n", walk_state->control_state->common.value, walk_state->op)); /* Break to debugger to display result */ - ACPI_DEBUGGER_EXEC(acpi_db_display_result_object - (local_obj_desc, walk_state)); + acpi_db_display_result_object(local_obj_desc, walk_state); /* * Delete the predicate result object (we know that @@ -264,8 +264,8 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, (walk_state->control_state->common.state == ACPI_CONTROL_CONDITIONAL_EXECUTING)) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Exec predicate Op=%p State=%p\n", op, - walk_state)); + "Exec predicate Op=%p State=%p\n", + op, walk_state)); walk_state->control_state->common.state = ACPI_CONTROL_PREDICATE_EXECUTING; @@ -386,11 +386,10 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) /* Call debugger for single step support (DEBUG build only) */ - ACPI_DEBUGGER_EXEC(status = - acpi_db_single_step(walk_state, op, op_class)); - ACPI_DEBUGGER_EXEC(if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status);} - ) ; + status = acpi_db_single_step(walk_state, op, op_class); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } /* Decode the Opcode Class */ @@ -502,9 +501,8 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) "Method Reference in a Package, Op=%p\n", op)); - op->common.node = - (struct acpi_namespace_node *)op->asl.value. - arg->asl.node; + op->common.node = (struct acpi_namespace_node *) + op->asl.value.arg->asl.node; acpi_ut_add_reference(op->asl.value.arg->asl. node->object); return_ACPI_STATUS(AE_OK); @@ -586,8 +584,8 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) * Put the Node on the object stack (Contains the ACPI Name * of this object) */ - walk_state->operands[0] = - (void *)op->common.parent->common.node; + walk_state->operands[0] = (void *) + op->common.parent->common.node; walk_state->num_operands = 1; status = acpi_ds_create_node(walk_state, @@ -692,7 +690,8 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) default: ACPI_ERROR((AE_INFO, - "Unimplemented opcode, class=0x%X type=0x%X Opcode=0x%X Op=%p", + "Unimplemented opcode, class=0x%X " + "type=0x%X Opcode=0x%X Op=%p", op_class, op_type, op->common.aml_opcode, op)); @@ -728,8 +727,8 @@ cleanup: /* Break to debugger to display result */ - ACPI_DEBUGGER_EXEC(acpi_db_display_result_object - (walk_state->result_obj, walk_state)); + acpi_db_display_result_object(walk_state->result_obj, + walk_state); /* * Delete the result op if and only if: diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index 097188a..b325474 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -476,13 +476,9 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state) status = acpi_ex_create_region(op->named.data, op->named.length, - (acpi_adr_space_type) ((op-> - common. - value. - arg)-> - common. - value. - integer), + (acpi_adr_space_type) + ((op->common.value.arg)-> + common.value.integer), walk_state); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c index e2c08cd..8a32153 100644 --- a/drivers/acpi/acpica/dswload2.c +++ b/drivers/acpi/acpica/dswload2.c @@ -598,11 +598,10 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) * Executing a method: initialize the region and unlock * the interpreter */ - status = - acpi_ex_create_region(op->named.data, - op->named.length, - region_space, - walk_state); + status = acpi_ex_create_region(op->named.data, + op->named.length, + region_space, + walk_state); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -664,6 +663,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) length, walk_state); } + walk_state->operands[0] = NULL; walk_state->num_operands = 0; diff --git a/drivers/acpi/acpica/dswscope.c b/drivers/acpi/acpica/dswscope.c index 43b3ea4..2d7a044 100644 --- a/drivers/acpi/acpica/dswscope.c +++ b/drivers/acpi/acpica/dswscope.c @@ -77,6 +77,7 @@ void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state) "Popped object type (%s)\n", acpi_ut_get_type_name(scope_info->common. value))); + acpi_ut_delete_generic_state(scope_info); } } diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index ccf7932..112e821 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -92,8 +92,8 @@ acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info) ACPI_SET_BIT(gpe_register_info->enable_for_run, (u8)register_bit); } - gpe_register_info->enable_mask = gpe_register_info->enable_for_run; + gpe_register_info->enable_mask = gpe_register_info->enable_for_run; return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index e0f24c5..c00a9f2 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -167,6 +167,7 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block) if (gpe_block->next) { gpe_block->next->previous = gpe_block->previous; } + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); } diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c index 3a958f3..fd5ab90 100644 --- a/drivers/acpi/acpica/evgpeutil.c +++ b/drivers/acpi/acpica/evgpeutil.c @@ -346,6 +346,7 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, ACPI_FREE(notify); notify = next; } + gpe_event_info->dispatch.notify_list = NULL; gpe_event_info->flags &= ~ACPI_GPE_DISPATCH_MASK; diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c index 74e8595f..709419c7 100644 --- a/drivers/acpi/acpica/evhandler.c +++ b/drivers/acpi/acpica/evhandler.c @@ -159,7 +159,7 @@ acpi_ev_has_default_handler(struct acpi_namespace_node *node, obj_desc = acpi_ns_get_attached_object(node); if (obj_desc) { - handler_obj = obj_desc->device.handler; + handler_obj = obj_desc->common_notify.handler; /* Walk the linked list of handlers for this object */ @@ -247,35 +247,31 @@ acpi_ev_install_handler(acpi_handle obj_handle, /* Check if this Device already has a handler for this address space */ - next_handler_obj = obj_desc->device.handler; - while (next_handler_obj) { + next_handler_obj = + acpi_ev_find_region_handler(handler_obj->address_space. + space_id, + obj_desc->common_notify. + handler); + if (next_handler_obj) { /* Found a handler, is it for the same address space? */ - if (next_handler_obj->address_space.space_id == - handler_obj->address_space.space_id) { - ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, - "Found handler for region [%s] in device %p(%p) " - "handler %p\n", - acpi_ut_get_region_name - (handler_obj->address_space. - space_id), obj_desc, - next_handler_obj, - handler_obj)); - - /* - * Since the object we found it on was a device, then it - * means that someone has already installed a handler for - * the branch of the namespace from this device on. Just - * bail out telling the walk routine to not traverse this - * branch. This preserves the scoping rule for handlers. - */ - return (AE_CTRL_DEPTH); - } - - /* Walk the linked list of handlers attached to this device */ - - next_handler_obj = next_handler_obj->address_space.next; + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, + "Found handler for region [%s] in device %p(%p) handler %p\n", + acpi_ut_get_region_name(handler_obj-> + address_space. + space_id), + obj_desc, next_handler_obj, + handler_obj)); + + /* + * Since the object we found it on was a device, then it means + * that someone has already installed a handler for the branch + * of the namespace from this device on. Just bail out telling + * the walk routine to not traverse this branch. This preserves + * the scoping rule for handlers. + */ + return (AE_CTRL_DEPTH); } /* @@ -309,6 +305,44 @@ acpi_ev_install_handler(acpi_handle obj_handle, /******************************************************************************* * + * FUNCTION: acpi_ev_find_region_handler + * + * PARAMETERS: space_id - The address space ID + * handler_obj - Head of the handler object list + * + * RETURN: Matching handler object. NULL if space ID not matched + * + * DESCRIPTION: Search a handler object list for a match on the address + * space ID. + * + ******************************************************************************/ + +union acpi_operand_object *acpi_ev_find_region_handler(acpi_adr_space_type + space_id, + union acpi_operand_object + *handler_obj) +{ + + /* Walk the handler list for this device */ + + while (handler_obj) { + + /* Same space_id indicates a handler is installed */ + + if (handler_obj->address_space.space_id == space_id) { + return (handler_obj); + } + + /* Next handler object */ + + handler_obj = handler_obj->address_space.next; + } + + return (NULL); +} + +/******************************************************************************* + * * FUNCTION: acpi_ev_install_space_handler * * PARAMETERS: node - Namespace node for the device @@ -332,15 +366,15 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node, { union acpi_operand_object *obj_desc; union acpi_operand_object *handler_obj; - acpi_status status; + acpi_status status = AE_OK; acpi_object_type type; u8 flags = 0; ACPI_FUNCTION_TRACE(ev_install_space_handler); /* - * This registration is valid for only the types below and the root. This - * is where the default handlers get placed. + * This registration is valid for only the types below and the root. + * The root node is where the default handlers get installed. */ if ((node->type != ACPI_TYPE_DEVICE) && (node->type != ACPI_TYPE_PROCESSOR) && @@ -407,38 +441,30 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node, obj_desc = acpi_ns_get_attached_object(node); if (obj_desc) { /* - * The attached device object already exists. Make sure the handler - * is not already installed. + * The attached device object already exists. Now make sure + * the handler is not already installed. */ - handler_obj = obj_desc->device.handler; - - /* Walk the handler list for this device */ - - while (handler_obj) { - - /* Same space_id indicates a handler already installed */ + handler_obj = acpi_ev_find_region_handler(space_id, + obj_desc-> + common_notify. + handler); - if (handler_obj->address_space.space_id == space_id) { - if (handler_obj->address_space.handler == - handler) { - /* - * It is (relatively) OK to attempt to install the SAME - * handler twice. This can easily happen with the - * PCI_Config space. - */ - status = AE_SAME_HANDLER; - goto unlock_and_exit; - } else { - /* A handler is already installed */ - - status = AE_ALREADY_EXISTS; - } + if (handler_obj) { + if (handler_obj->address_space.handler == handler) { + /* + * It is (relatively) OK to attempt to install the SAME + * handler twice. This can easily happen with the + * PCI_Config space. + */ + status = AE_SAME_HANDLER; goto unlock_and_exit; - } + } else { + /* A handler is already installed */ - /* Walk the linked list of handlers */ + status = AE_ALREADY_EXISTS; + } - handler_obj = handler_obj->address_space.next; + goto unlock_and_exit; } } else { ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, @@ -477,7 +503,8 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node, } ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, - "Installing address handler for region %s(%X) on Device %4.4s %p(%p)\n", + "Installing address handler for region %s(%X) " + "on Device %4.4s %p(%p)\n", acpi_ut_get_region_name(space_id), space_id, acpi_ut_get_node_name(node), node, obj_desc)); @@ -506,28 +533,26 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node, /* Install at head of Device.address_space list */ - handler_obj->address_space.next = obj_desc->device.handler; + handler_obj->address_space.next = obj_desc->common_notify.handler; /* * The Device object is the first reference on the handler_obj. * Each region that uses the handler adds a reference. */ - obj_desc->device.handler = handler_obj; + obj_desc->common_notify.handler = handler_obj; /* - * Walk the namespace finding all of the regions this - * handler will manage. + * Walk the namespace finding all of the regions this handler will + * manage. * - * Start at the device and search the branch toward - * the leaf nodes until either the leaf is encountered or - * a device is detected that has an address handler of the - * same type. + * Start at the device and search the branch toward the leaf nodes + * until either the leaf is encountered or a device is detected that + * has an address handler of the same type. * - * In either case, back up and search down the remainder - * of the branch + * In either case, back up and search down the remainder of the branch */ - status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX, - ACPI_NS_WALK_UNLOCK, + status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, + ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK, acpi_ev_install_handler, NULL, handler_obj, NULL); diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c index f7c9dfe..8866f50 100644 --- a/drivers/acpi/acpica/evmisc.c +++ b/drivers/acpi/acpica/evmisc.c @@ -68,6 +68,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context); u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node) { + switch (node->type) { case ACPI_TYPE_DEVICE: case ACPI_TYPE_PROCESSOR: @@ -170,8 +171,8 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, acpi_ut_get_notify_name(notify_value, ACPI_TYPE_ANY), node)); - status = acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch, - info); + status = acpi_os_execute(OSL_NOTIFY_HANDLER, + acpi_ev_notify_dispatch, info); if (ACPI_FAILURE(status)) { acpi_ut_delete_generic_state(info); } diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 5ee79a1..a43178f 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -97,15 +97,12 @@ acpi_status acpi_ev_initialize_op_regions(void) if (acpi_ev_has_default_handler(acpi_gbl_root_node, acpi_gbl_default_address_spaces [i])) { - status = - acpi_ev_execute_reg_methods(acpi_gbl_root_node, - acpi_gbl_default_address_spaces - [i]); + acpi_ev_execute_reg_methods(acpi_gbl_root_node, + acpi_gbl_default_address_spaces + [i], ACPI_REG_CONNECT); } } - acpi_gbl_reg_methods_executed = TRUE; - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); return_ACPI_STATUS(status); } @@ -127,6 +124,12 @@ acpi_status acpi_ev_initialize_op_regions(void) * DESCRIPTION: Dispatch an address space or operation region access to * a previously installed handler. * + * NOTE: During early initialization, we always install the default region + * handlers for Memory, I/O and PCI_Config. This ensures that these operation + * region address spaces are always available as per the ACPI specification. + * This is especially needed in order to support the execution of + * module-level AML code during loading of the ACPI tables. + * ******************************************************************************/ acpi_status @@ -498,6 +501,12 @@ acpi_ev_attach_region(union acpi_operand_object *handler_obj, ACPI_FUNCTION_TRACE(ev_attach_region); + /* Install the region's handler */ + + if (region_obj->region.handler) { + return_ACPI_STATUS(AE_ALREADY_EXISTS); + } + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, "Adding Region [%4.4s] %p to address handler %p [%s]\n", acpi_ut_get_node_name(region_obj->region.node), @@ -509,17 +518,56 @@ acpi_ev_attach_region(union acpi_operand_object *handler_obj, region_obj->region.next = handler_obj->address_space.region_list; handler_obj->address_space.region_list = region_obj; + region_obj->region.handler = handler_obj; + acpi_ut_add_reference(handler_obj); - /* Install the region's handler */ + return_ACPI_STATUS(AE_OK); +} - if (region_obj->region.handler) { - return_ACPI_STATUS(AE_ALREADY_EXISTS); +/******************************************************************************* + * + * FUNCTION: acpi_ev_associate_reg_method + * + * PARAMETERS: region_obj - Region object + * + * RETURN: Status + * + * DESCRIPTION: Find and associate _REG method to a region + * + ******************************************************************************/ + +void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj) +{ + acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG; + struct acpi_namespace_node *method_node; + struct acpi_namespace_node *node; + union acpi_operand_object *region_obj2; + acpi_status status; + + ACPI_FUNCTION_TRACE(ev_associate_reg_method); + + region_obj2 = acpi_ns_get_secondary_object(region_obj); + if (!region_obj2) { + return_VOID; } - region_obj->region.handler = handler_obj; - acpi_ut_add_reference(handler_obj); + node = region_obj->region.node->parent; - return_ACPI_STATUS(AE_OK); + /* Find any "_REG" method associated with this region definition */ + + status = + acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD, + &method_node); + if (ACPI_SUCCESS(status)) { + /* + * The _REG method is optional and there can be only one per region + * definition. This will be executed when the handler is attached + * or removed + */ + region_obj2->extra.method_REG = method_node; + } + + return_VOID; } /******************************************************************************* @@ -550,7 +598,18 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) return_ACPI_STATUS(AE_NOT_EXIST); } - if (region_obj2->extra.method_REG == NULL) { + if (region_obj2->extra.method_REG == NULL || + region_obj->region.handler == NULL || + !acpi_gbl_reg_methods_enabled) { + return_ACPI_STATUS(AE_OK); + } + + /* _REG(DISCONNECT) should be paired with _REG(CONNECT) */ + + if ((function == ACPI_REG_CONNECT && + region_obj->common.flags & AOPOBJ_REG_CONNECTED) || + (function == ACPI_REG_DISCONNECT && + !(region_obj->common.flags & AOPOBJ_REG_CONNECTED))) { return_ACPI_STATUS(AE_OK); } @@ -599,6 +658,16 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) status = acpi_ns_evaluate(info); acpi_ut_remove_reference(args[1]); + if (ACPI_FAILURE(status)) { + goto cleanup2; + } + + if (function == ACPI_REG_CONNECT) { + region_obj->common.flags |= AOPOBJ_REG_CONNECTED; + } else { + region_obj->common.flags &= ~AOPOBJ_REG_CONNECTED; + } + cleanup2: acpi_ut_remove_reference(args[0]); @@ -613,24 +682,25 @@ cleanup1: * * PARAMETERS: node - Namespace node for the device * space_id - The address space ID + * function - Passed to _REG: On (1) or Off (0) * - * RETURN: Status + * RETURN: None * * DESCRIPTION: Run all _REG methods for the input Space ID; * Note: assumes namespace is locked, or system init time. * ******************************************************************************/ -acpi_status +void acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, - acpi_adr_space_type space_id) + acpi_adr_space_type space_id, u32 function) { - acpi_status status; struct acpi_reg_walk_info info; ACPI_FUNCTION_TRACE(ev_execute_reg_methods); info.space_id = space_id; + info.function = function; info.reg_run_count = 0; ACPI_DEBUG_PRINT_RAW((ACPI_DB_NAMES, @@ -643,9 +713,9 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, * regions and _REG methods. (i.e. handlers must be installed for all * regions of this Space ID before we can run any _REG methods) */ - status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX, - ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run, - NULL, &info, NULL); + (void)acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX, + ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run, NULL, + &info, NULL); /* Special case for EC: handle "orphan" _REG methods with no region */ @@ -658,7 +728,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, info.reg_run_count, acpi_ut_get_region_name(info.space_id))); - return_ACPI_STATUS(status); + return_VOID; } /******************************************************************************* @@ -717,7 +787,7 @@ acpi_ev_reg_run(acpi_handle obj_handle, } info->reg_run_count++; - status = acpi_ev_execute_reg_method(obj_desc, ACPI_REG_CONNECT); + status = acpi_ev_execute_reg_method(obj_desc, info->function); return (status); } diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index da32339..bb2e529 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -507,9 +507,6 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, acpi_adr_space_type space_id; struct acpi_namespace_node *node; acpi_status status; - struct acpi_namespace_node *method_node; - acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG; - union acpi_operand_object *region_obj2; ACPI_FUNCTION_TRACE_U32(ev_initialize_region, acpi_ns_locked); @@ -521,38 +518,15 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, return_ACPI_STATUS(AE_OK); } - region_obj2 = acpi_ns_get_secondary_object(region_obj); - if (!region_obj2) { - return_ACPI_STATUS(AE_NOT_EXIST); - } + acpi_ev_associate_reg_method(region_obj); + region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED; node = region_obj->region.node->parent; space_id = region_obj->region.space_id; - /* Setup defaults */ - - region_obj->region.handler = NULL; - region_obj2->extra.method_REG = NULL; - region_obj->common.flags &= ~(AOPOBJ_SETUP_COMPLETE); - region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED; - - /* Find any "_REG" method associated with this region definition */ - - status = - acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD, - &method_node); - if (ACPI_SUCCESS(status)) { - /* - * The _REG method is optional and there can be only one per region - * definition. This will be executed when the handler is attached - * or removed - */ - region_obj2->extra.method_REG = method_node; - } - /* * The following loop depends upon the root Node having no parent - * ie: acpi_gbl_root_node->parent_entry being set to NULL + * ie: acpi_gbl_root_node->Parent being set to NULL */ while (node) { @@ -566,18 +540,10 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, switch (node->type) { case ACPI_TYPE_DEVICE: - - handler_obj = obj_desc->device.handler; - break; - case ACPI_TYPE_PROCESSOR: - - handler_obj = obj_desc->processor.handler; - break; - case ACPI_TYPE_THERMAL: - handler_obj = obj_desc->thermal_zone.handler; + handler_obj = obj_desc->common_notify.handler; break; case ACPI_TYPE_METHOD: @@ -602,60 +568,49 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, break; } - while (handler_obj) { - - /* Is this handler of the correct type? */ + handler_obj = + acpi_ev_find_region_handler(space_id, handler_obj); + if (handler_obj) { - if (handler_obj->address_space.space_id == - space_id) { + /* Found correct handler */ - /* Found correct handler */ + ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, + "Found handler %p for region %p in obj %p\n", + handler_obj, region_obj, + obj_desc)); - ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, - "Found handler %p for region %p in obj %p\n", - handler_obj, + status = + acpi_ev_attach_region(handler_obj, region_obj, - obj_desc)); + acpi_ns_locked); + /* + * Tell all users that this region is usable by + * running the _REG method + */ + if (acpi_ns_locked) { status = - acpi_ev_attach_region(handler_obj, - region_obj, - acpi_ns_locked); - - /* - * Tell all users that this region is usable by - * running the _REG method - */ - if (acpi_ns_locked) { - status = - acpi_ut_release_mutex - (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS - (status); - } + acpi_ut_release_mutex + (ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } + } + status = + acpi_ev_execute_reg_method(region_obj, + ACPI_REG_CONNECT); + + if (acpi_ns_locked) { status = - acpi_ev_execute_reg_method - (region_obj, ACPI_REG_CONNECT); - - if (acpi_ns_locked) { - status = - acpi_ut_acquire_mutex - (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS - (status); - } + acpi_ut_acquire_mutex + (ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } - - return_ACPI_STATUS(AE_OK); } - /* Try next handler in the list */ - - handler_obj = handler_obj->address_space.next; + return_ACPI_STATUS(AE_OK); } } diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c index 07d22bf..012b9de 100644 --- a/drivers/acpi/acpica/evxface.c +++ b/drivers/acpi/acpica/evxface.c @@ -879,9 +879,8 @@ acpi_install_gpe_handler(acpi_handle gpe_device, ACPI_FUNCTION_TRACE(acpi_install_gpe_handler); - status = - acpi_ev_install_gpe_handler(gpe_device, gpe_number, type, FALSE, - address, context); + status = acpi_ev_install_gpe_handler(gpe_device, gpe_number, type, + FALSE, address, context); return_ACPI_STATUS(status); } @@ -914,8 +913,8 @@ acpi_install_gpe_raw_handler(acpi_handle gpe_device, ACPI_FUNCTION_TRACE(acpi_install_gpe_raw_handler); - status = acpi_ev_install_gpe_handler(gpe_device, gpe_number, type, TRUE, - address, context); + status = acpi_ev_install_gpe_handler(gpe_device, gpe_number, type, + TRUE, address, context); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c index f21afba..35f9e60 100644 --- a/drivers/acpi/acpica/evxfregn.c +++ b/drivers/acpi/acpica/evxfregn.c @@ -112,41 +112,9 @@ acpi_install_address_space_handler(acpi_handle device, goto unlock_and_exit; } - /* - * For the default space_IDs, (the IDs for which there are default region handlers - * installed) Only execute the _REG methods if the global initialization _REG - * methods have already been run (via acpi_initialize_objects). In other words, - * we will defer the execution of the _REG methods for these space_IDs until - * execution of acpi_initialize_objects. This is done because we need the handlers - * for the default spaces (mem/io/pci/table) to be installed before we can run - * any control methods (or _REG methods). There is known BIOS code that depends - * on this. - * - * For all other space_IDs, we can safely execute the _REG methods immediately. - * This means that for IDs like embedded_controller, this function should be called - * only after acpi_enable_subsystem has been called. - */ - switch (space_id) { - case ACPI_ADR_SPACE_SYSTEM_MEMORY: - case ACPI_ADR_SPACE_SYSTEM_IO: - case ACPI_ADR_SPACE_PCI_CONFIG: - case ACPI_ADR_SPACE_DATA_TABLE: - - if (!acpi_gbl_reg_methods_executed) { - - /* We will defer execution of the _REG methods for this space */ - goto unlock_and_exit; - } - break; - - default: - - break; - } - /* Run all _REG methods for this address space */ - status = acpi_ev_execute_reg_methods(node, space_id); + acpi_ev_execute_reg_methods(node, space_id, ACPI_REG_CONNECT); unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); @@ -215,8 +183,8 @@ acpi_remove_address_space_handler(acpi_handle device, /* Find the address handler the user requested */ - handler_obj = obj_desc->device.handler; - last_obj_ptr = &obj_desc->device.handler; + handler_obj = obj_desc->common_notify.handler; + last_obj_ptr = &obj_desc->common_notify.handler; while (handler_obj) { /* We have a handler, see if user requested this one */ diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index b540913..adcb9c7 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -358,8 +358,8 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, } /* - * If the Region Address and Length have not been previously evaluated, - * evaluate them now and save the results. + * If the Region Address and Length have not been previously + * evaluated, evaluate them now and save the results. */ if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) { status = acpi_ds_get_region_arguments(obj_desc); @@ -454,8 +454,8 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, } /* - * Copy the table from the buffer because the buffer could be modified - * or even deleted in the future + * Copy the table from the buffer because the buffer could be + * modified or even deleted in the future */ table = ACPI_ALLOCATE(length); if (!table) { diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c index 1e4c5b6..73c2e82 100644 --- a/drivers/acpi/acpica/exconvrt.c +++ b/drivers/acpi/acpica/exconvrt.c @@ -227,8 +227,8 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc, /* Copy the integer to the buffer, LSB first */ new_buf = return_desc->buffer.pointer; - memcpy(new_buf, - &obj_desc->integer.value, acpi_gbl_integer_byte_width); + memcpy(new_buf, &obj_desc->integer.value, + acpi_gbl_integer_byte_width); break; case ACPI_TYPE_STRING: @@ -354,9 +354,8 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 data_width) /* Get one hex digit, most significant digits first */ - string[k] = - (u8) acpi_ut_hex_to_ascii_char(integer, - ACPI_MUL_4(j)); + string[k] = (u8) + acpi_ut_hex_to_ascii_char(integer, ACPI_MUL_4(j)); k++; } break; diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index ccb7219..46be5a2 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -189,9 +189,9 @@ acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state) /* Attach object to the Node */ - status = - acpi_ns_attach_object((struct acpi_namespace_node *)walk_state-> - operands[0], obj_desc, ACPI_TYPE_EVENT); + status = acpi_ns_attach_object((struct acpi_namespace_node *) + walk_state->operands[0], obj_desc, + ACPI_TYPE_EVENT); cleanup: /* @@ -326,9 +326,10 @@ acpi_ex_create_region(u8 * aml_start, * Remember location in AML stream of address & length * operands since they need to be evaluated at run time. */ - region_obj2 = obj_desc->common.next_object; + region_obj2 = acpi_ns_get_secondary_object(obj_desc); region_obj2->extra.aml_start = aml_start; region_obj2->extra.aml_length = aml_length; + region_obj2->extra.method_REG = NULL; if (walk_state->scope_info) { region_obj2->extra.scope_node = walk_state->scope_info->scope.node; @@ -342,6 +343,10 @@ acpi_ex_create_region(u8 * aml_start, obj_desc->region.address = 0; obj_desc->region.length = 0; obj_desc->region.node = node; + obj_desc->region.handler = NULL; + obj_desc->common.flags &= + ~(AOPOBJ_SETUP_COMPLETE | AOPOBJ_REG_CONNECTED | + AOPOBJ_OBJECT_INITIALIZED); /* Install the new region object in the parent Node */ @@ -492,10 +497,9 @@ acpi_ex_create_method(u8 * aml_start, * Disassemble the method flags. Split off the arg_count, Serialized * flag, and sync_level for efficiency. */ - method_flags = (u8) operand[1]->integer.value; - - obj_desc->method.param_count = - (u8) (method_flags & AML_METHOD_ARG_COUNT); + method_flags = (u8)operand[1]->integer.value; + obj_desc->method.param_count = (u8) + (method_flags & AML_METHOD_ARG_COUNT); /* * Get the sync_level. If method is serialized, a mutex will be diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c index de92458..b223090 100644 --- a/drivers/acpi/acpica/exdebug.c +++ b/drivers/acpi/acpica/exdebug.c @@ -43,21 +43,11 @@ #include <acpi/acpi.h> #include "accommon.h" -#include "acnamesp.h" #include "acinterp.h" -#include "acparser.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exdebug") -static union acpi_operand_object *acpi_gbl_trace_method_object = NULL; - -/* Local prototypes */ - -#ifdef ACPI_DEBUG_OUTPUT -static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type); -#endif - #ifndef ACPI_NO_ERROR_MESSAGES /******************************************************************************* * @@ -80,7 +70,6 @@ static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type); * enabled if necessary. * ******************************************************************************/ - void acpi_ex_do_debug_object(union acpi_operand_object *source_desc, u32 level, u32 index) @@ -99,20 +88,40 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, return_VOID; } - /* - * We will emit the current timer value (in microseconds) with each - * debug output. Only need the lower 26 bits. This allows for 67 - * million microseconds or 67 seconds before rollover. - */ - timer = ((u32)acpi_os_get_timer() / 10); /* (100 nanoseconds to microseconds) */ - timer &= 0x03FFFFFF; + /* Null string or newline -- don't emit the line header */ + + if (source_desc && + (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) && + (source_desc->common.type == ACPI_TYPE_STRING)) { + if ((source_desc->string.length == 0) || + ((source_desc->string.length == 1) && + (*source_desc->string.pointer == '\n'))) { + acpi_os_printf("\n"); + return_VOID; + } + } /* * Print line header as long as we are not in the middle of an * object display */ if (!((level > 0) && index == 0)) { - acpi_os_printf("[ACPI Debug %.8u] %*s", timer, level, " "); + if (acpi_gbl_display_debug_timer) { + /* + * We will emit the current timer value (in microseconds) with each + * debug output. Only need the lower 26 bits. This allows for 67 + * million microseconds or 67 seconds before rollover. + * + * Convert 100 nanosecond units to microseconds + */ + timer = ((u32)acpi_os_get_timer() / 10); + timer &= 0x03FFFFFF; + + acpi_os_printf("[ACPI Debug T=0x%8.8X] %*s", timer, + level, " "); + } else { + acpi_os_printf("[ACPI Debug] %*s", level, " "); + } } /* Display the index for package output only */ @@ -127,8 +136,15 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, } if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) { - acpi_os_printf("%s ", - acpi_ut_get_object_type_name(source_desc)); + + /* No object type prefix needed for integers and strings */ + + if ((source_desc->common.type != ACPI_TYPE_INTEGER) && + (source_desc->common.type != ACPI_TYPE_STRING)) { + acpi_os_printf("%s ", + acpi_ut_get_object_type_name + (source_desc)); + } if (!acpi_ut_valid_internal_object(source_desc)) { acpi_os_printf("%p, Invalid Internal Object!\n", @@ -137,7 +153,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, } } else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_NAMED) { - acpi_os_printf("%s: %p\n", + acpi_os_printf("%s (Node %p)\n", acpi_ut_get_type_name(((struct acpi_namespace_node *) source_desc)->type), @@ -175,14 +191,12 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, case ACPI_TYPE_STRING: - acpi_os_printf("[0x%.2X] \"%s\"\n", - source_desc->string.length, - source_desc->string.pointer); + acpi_os_printf("\"%s\"\n", source_desc->string.pointer); break; case ACPI_TYPE_PACKAGE: - acpi_os_printf("[Contains 0x%.2X Elements]\n", + acpi_os_printf("(Contains 0x%.2X Elements):\n", source_desc->package.count); /* Output the entire contents of the package */ @@ -261,11 +275,14 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, if (ACPI_GET_DESCRIPTOR_TYPE (source_desc->reference.object) == ACPI_DESC_TYPE_NAMED) { - acpi_ex_do_debug_object(((struct - acpi_namespace_node *) + + /* Reference object is a namespace node */ + + acpi_ex_do_debug_object(ACPI_CAST_PTR + (union + acpi_operand_object, source_desc->reference. - object)->object, - level + 4, 0); + object), level + 4, 0); } else { object_desc = source_desc->reference.object; value = source_desc->reference.value; @@ -293,9 +310,14 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, case ACPI_TYPE_PACKAGE: acpi_os_printf("Package[%u] = ", value); - acpi_ex_do_debug_object(*source_desc-> - reference.where, - level + 4, 0); + if (!(*source_desc->reference.where)) { + acpi_os_printf + ("[Uninitialized Package Element]\n"); + } else { + acpi_ex_do_debug_object + (*source_desc->reference. + where, level + 4, 0); + } break; default: @@ -311,7 +333,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, default: - acpi_os_printf("%p\n", source_desc); + acpi_os_printf("(Descriptor %p)\n", source_desc); break; } @@ -319,316 +341,3 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, return_VOID; } #endif - -/******************************************************************************* - * - * FUNCTION: acpi_ex_interpreter_trace_enabled - * - * PARAMETERS: name - Whether method name should be matched, - * this should be checked before starting - * the tracer - * - * RETURN: TRUE if interpreter trace is enabled. - * - * DESCRIPTION: Check whether interpreter trace is enabled - * - ******************************************************************************/ - -static u8 acpi_ex_interpreter_trace_enabled(char *name) -{ - - /* Check if tracing is enabled */ - - if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED)) { - return (FALSE); - } - - /* - * Check if tracing is filtered: - * - * 1. If the tracer is started, acpi_gbl_trace_method_object should have - * been filled by the trace starter - * 2. If the tracer is not started, acpi_gbl_trace_method_name should be - * matched if it is specified - * 3. If the tracer is oneshot style, acpi_gbl_trace_method_name should - * not be cleared by the trace stopper during the first match - */ - if (acpi_gbl_trace_method_object) { - return (TRUE); - } - if (name && - (acpi_gbl_trace_method_name && - strcmp(acpi_gbl_trace_method_name, name))) { - return (FALSE); - } - if ((acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) && - !acpi_gbl_trace_method_name) { - return (FALSE); - } - - return (TRUE); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_get_trace_event_name - * - * PARAMETERS: type - Trace event type - * - * RETURN: Trace event name. - * - * DESCRIPTION: Used to obtain the full trace event name. - * - ******************************************************************************/ - -#ifdef ACPI_DEBUG_OUTPUT - -static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type) -{ - switch (type) { - case ACPI_TRACE_AML_METHOD: - - return "Method"; - - case ACPI_TRACE_AML_OPCODE: - - return "Opcode"; - - case ACPI_TRACE_AML_REGION: - - return "Region"; - - default: - - return ""; - } -} - -#endif - -/******************************************************************************* - * - * FUNCTION: acpi_ex_trace_point - * - * PARAMETERS: type - Trace event type - * begin - TRUE if before execution - * aml - Executed AML address - * pathname - Object path - * - * RETURN: None - * - * DESCRIPTION: Internal interpreter execution trace. - * - ******************************************************************************/ - -void -acpi_ex_trace_point(acpi_trace_event_type type, - u8 begin, u8 *aml, char *pathname) -{ - - ACPI_FUNCTION_NAME(ex_trace_point); - - if (pathname) { - ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, - "%s %s [0x%p:%s] execution.\n", - acpi_ex_get_trace_event_name(type), - begin ? "Begin" : "End", aml, pathname)); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, - "%s %s [0x%p] execution.\n", - acpi_ex_get_trace_event_name(type), - begin ? "Begin" : "End", aml)); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_start_trace_method - * - * PARAMETERS: method_node - Node of the method - * obj_desc - The method object - * walk_state - current state, NULL if not yet executing - * a method. - * - * RETURN: None - * - * DESCRIPTION: Start control method execution trace - * - ******************************************************************************/ - -void -acpi_ex_start_trace_method(struct acpi_namespace_node *method_node, - union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - char *pathname = NULL; - u8 enabled = FALSE; - - ACPI_FUNCTION_NAME(ex_start_trace_method); - - if (method_node) { - pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); - } - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - goto exit; - } - - enabled = acpi_ex_interpreter_trace_enabled(pathname); - if (enabled && !acpi_gbl_trace_method_object) { - acpi_gbl_trace_method_object = obj_desc; - acpi_gbl_original_dbg_level = acpi_dbg_level; - acpi_gbl_original_dbg_layer = acpi_dbg_layer; - acpi_dbg_level = ACPI_TRACE_LEVEL_ALL; - acpi_dbg_layer = ACPI_TRACE_LAYER_ALL; - - if (acpi_gbl_trace_dbg_level) { - acpi_dbg_level = acpi_gbl_trace_dbg_level; - } - if (acpi_gbl_trace_dbg_layer) { - acpi_dbg_layer = acpi_gbl_trace_dbg_layer; - } - } - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - -exit: - if (enabled) { - ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, TRUE, - obj_desc ? obj_desc->method.aml_start : NULL, - pathname); - } - if (pathname) { - ACPI_FREE(pathname); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_stop_trace_method - * - * PARAMETERS: method_node - Node of the method - * obj_desc - The method object - * walk_state - current state, NULL if not yet executing - * a method. - * - * RETURN: None - * - * DESCRIPTION: Stop control method execution trace - * - ******************************************************************************/ - -void -acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node, - union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - char *pathname = NULL; - u8 enabled; - - ACPI_FUNCTION_NAME(ex_stop_trace_method); - - if (method_node) { - pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); - } - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - goto exit_path; - } - - enabled = acpi_ex_interpreter_trace_enabled(NULL); - - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - - if (enabled) { - ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, FALSE, - obj_desc ? obj_desc->method.aml_start : NULL, - pathname); - } - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - goto exit_path; - } - - /* Check whether the tracer should be stopped */ - - if (acpi_gbl_trace_method_object == obj_desc) { - - /* Disable further tracing if type is one-shot */ - - if (acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) { - acpi_gbl_trace_method_name = NULL; - } - - acpi_dbg_level = acpi_gbl_original_dbg_level; - acpi_dbg_layer = acpi_gbl_original_dbg_layer; - acpi_gbl_trace_method_object = NULL; - } - - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - -exit_path: - if (pathname) { - ACPI_FREE(pathname); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_start_trace_opcode - * - * PARAMETERS: op - The parser opcode object - * walk_state - current state, NULL if not yet executing - * a method. - * - * RETURN: None - * - * DESCRIPTION: Start opcode execution trace - * - ******************************************************************************/ - -void -acpi_ex_start_trace_opcode(union acpi_parse_object *op, - struct acpi_walk_state *walk_state) -{ - - ACPI_FUNCTION_NAME(ex_start_trace_opcode); - - if (acpi_ex_interpreter_trace_enabled(NULL) && - (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { - ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, TRUE, - op->common.aml, op->common.aml_op_name); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_stop_trace_opcode - * - * PARAMETERS: op - The parser opcode object - * walk_state - current state, NULL if not yet executing - * a method. - * - * RETURN: None - * - * DESCRIPTION: Stop opcode execution trace - * - ******************************************************************************/ - -void -acpi_ex_stop_trace_opcode(union acpi_parse_object *op, - struct acpi_walk_state *walk_state) -{ - - ACPI_FUNCTION_NAME(ex_stop_trace_opcode); - - if (acpi_ex_interpreter_trace_enabled(NULL) && - (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { - ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, FALSE, - op->common.aml, op->common.aml_op_name); - } -} diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index d836f88..ff976c4 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -508,7 +508,8 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc, if (next) { acpi_os_printf("(%s %2.2X)", acpi_ut_get_object_type_name - (next), next->common.type); + (next), + next->address_space.space_id); while (next->address_space.next) { if ((next->common.type == @@ -520,7 +521,8 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc, acpi_os_printf("->%p(%s %2.2X)", next, acpi_ut_get_object_type_name (next), - next->common.type); + next->address_space. + space_id); if ((next == start) || (next == data)) { acpi_os_printf diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c index 61fd9c7..ad7080b 100644 --- a/drivers/acpi/acpica/exfield.c +++ b/drivers/acpi/acpica/exfield.c @@ -167,10 +167,11 @@ acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state, || obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_IPMI)) { /* - * This is an SMBus, GSBus or IPMI read. We must create a buffer to hold - * the data and then directly access the region handler. + * This is an SMBus, GSBus or IPMI read. We must create a buffer to + * hold the data and then directly access the region handler. * - * Note: SMBus and GSBus protocol value is passed in upper 16-bits of Function + * Note: SMBus and GSBus protocol value is passed in upper 16-bits + * of Function */ if (obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_SMBUS) { @@ -180,17 +181,17 @@ acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state, } else if (obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_GSBUS) { accessor_type = obj_desc->field.attribute; - length = acpi_ex_get_serial_access_length(accessor_type, - obj_desc-> - field. - access_length); + length = + acpi_ex_get_serial_access_length(accessor_type, + obj_desc->field. + access_length); /* * Add additional 2 bytes for the generic_serial_bus data buffer: * - * Status; (Byte 0 of the data buffer) - * Length; (Byte 1 of the data buffer) - * Data[x-1]; (Bytes 2-x of the arbitrary length data buffer) + * Status; (Byte 0 of the data buffer) + * Length; (Byte 1 of the data buffer) + * Data[x-1]: (Bytes 2-x of the arbitrary length data buffer) */ length += 2; function = ACPI_READ | (accessor_type << 16); @@ -216,6 +217,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state, buffer_desc-> buffer.pointer), function); + acpi_ex_release_global_lock(obj_desc->common_field.field_flags); goto exit; } @@ -232,6 +234,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state, */ length = (acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length); + if (length > acpi_gbl_integer_byte_width) { /* Field is too large for an Integer, create a Buffer instead */ @@ -273,8 +276,10 @@ acpi_ex_read_data_from_field(struct acpi_walk_state * walk_state, /* Perform the write */ - status = acpi_ex_access_region(obj_desc, 0, - (u64 *)buffer, ACPI_READ); + status = + acpi_ex_access_region(obj_desc, 0, (u64 *)buffer, + ACPI_READ); + acpi_ex_release_global_lock(obj_desc->common_field.field_flags); if (ACPI_FAILURE(status)) { acpi_ut_remove_reference(buffer_desc); @@ -366,19 +371,22 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, || obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_IPMI)) { /* - * This is an SMBus, GSBus or IPMI write. We will bypass the entire field - * mechanism and handoff the buffer directly to the handler. For - * these address spaces, the buffer is bi-directional; on a write, - * return data is returned in the same buffer. + * This is an SMBus, GSBus or IPMI write. We will bypass the entire + * field mechanism and handoff the buffer directly to the handler. + * For these address spaces, the buffer is bi-directional; on a + * write, return data is returned in the same buffer. * * Source must be a buffer of sufficient size: - * ACPI_SMBUS_BUFFER_SIZE, ACPI_GSBUS_BUFFER_SIZE, or ACPI_IPMI_BUFFER_SIZE. + * ACPI_SMBUS_BUFFER_SIZE, ACPI_GSBUS_BUFFER_SIZE, or + * ACPI_IPMI_BUFFER_SIZE. * - * Note: SMBus and GSBus protocol type is passed in upper 16-bits of Function + * Note: SMBus and GSBus protocol type is passed in upper 16-bits + * of Function */ if (source_desc->common.type != ACPI_TYPE_BUFFER) { ACPI_ERROR((AE_INFO, - "SMBus/IPMI/GenericSerialBus write requires Buffer, found type %s", + "SMBus/IPMI/GenericSerialBus write requires " + "Buffer, found type %s", acpi_ut_get_object_type_name(source_desc))); return_ACPI_STATUS(AE_AML_OPERAND_TYPE); @@ -392,17 +400,17 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, } else if (obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_GSBUS) { accessor_type = obj_desc->field.attribute; - length = acpi_ex_get_serial_access_length(accessor_type, - obj_desc-> - field. - access_length); + length = + acpi_ex_get_serial_access_length(accessor_type, + obj_desc->field. + access_length); /* * Add additional 2 bytes for the generic_serial_bus data buffer: * - * Status; (Byte 0 of the data buffer) - * Length; (Byte 1 of the data buffer) - * Data[x-1]; (Bytes 2-x of the arbitrary length data buffer) + * Status; (Byte 0 of the data buffer) + * Length; (Byte 1 of the data buffer) + * Data[x-1]: (Bytes 2-x of the arbitrary length data buffer) */ length += 2; function = ACPI_WRITE | (accessor_type << 16); @@ -414,7 +422,8 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, if (source_desc->buffer.length < length) { ACPI_ERROR((AE_INFO, - "SMBus/IPMI/GenericSerialBus write requires Buffer of length %u, found length %u", + "SMBus/IPMI/GenericSerialBus write requires " + "Buffer of length %u, found length %u", length, source_desc->buffer.length)); return_ACPI_STATUS(AE_AML_BUFFER_LIMIT); @@ -438,8 +447,8 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, * Perform the write (returns status and perhaps data in the * same buffer) */ - status = acpi_ex_access_region(obj_desc, 0, - (u64 *) buffer, function); + status = + acpi_ex_access_region(obj_desc, 0, (u64 *)buffer, function); acpi_ex_release_global_lock(obj_desc->common_field.field_flags); *result_desc = buffer_desc; @@ -460,7 +469,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, } ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "GPIO FieldWrite [FROM]: (%s:%X), Val %.8X [TO]: Pin %u Bits %u\n", + "GPIO FieldWrite [FROM]: (%s:%X), Val %.8X [TO]: Pin %u Bits %u\n", acpi_ut_get_type_name(source_desc->common. type), source_desc->common.type, @@ -476,8 +485,9 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, /* Perform the write */ - status = acpi_ex_access_region(obj_desc, 0, - (u64 *)buffer, ACPI_WRITE); + status = + acpi_ex_access_region(obj_desc, 0, (u64 *)buffer, + ACPI_WRITE); acpi_ex_release_global_lock(obj_desc->common_field.field_flags); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index 70b7bbb..0337191 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -180,7 +180,8 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, * byte, and a field with Dword access specified. */ ACPI_ERROR((AE_INFO, - "Field [%4.4s] access width (%u bytes) too large for region [%4.4s] (length %u)", + "Field [%4.4s] access width (%u bytes) " + "too large for region [%4.4s] (length %u)", acpi_ut_get_node_name(obj_desc-> common_field.node), obj_desc->common_field.access_byte_width, @@ -194,7 +195,8 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, * exceeds region length, indicate an error */ ACPI_ERROR((AE_INFO, - "Field [%4.4s] Base+Offset+Width %u+%u+%u is beyond end of region [%4.4s] (length %u)", + "Field [%4.4s] Base+Offset+Width %u+%u+%u " + "is beyond end of region [%4.4s] (length %u)", acpi_ut_get_node_name(obj_desc->common_field.node), obj_desc->common_field.base_byte_offset, field_datum_byte_offset, @@ -638,15 +640,15 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc, ACPI_ERROR((AE_INFO, "Unknown UpdateRule value: 0x%X", - (obj_desc->common_field. - field_flags & + (obj_desc->common_field.field_flags & AML_FIELD_UPDATE_RULE_MASK))); return_ACPI_STATUS(AE_AML_OPERAND_VALUE); } } ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Mask %8.8X%8.8X, DatumOffset %X, Width %X, Value %8.8X%8.8X, MergedValue %8.8X%8.8X\n", + "Mask %8.8X%8.8X, DatumOffset %X, Width %X, " + "Value %8.8X%8.8X, MergedValue %8.8X%8.8X\n", ACPI_FORMAT_UINT64(mask), field_datum_byte_offset, obj_desc->common_field.access_byte_width, @@ -655,8 +657,9 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc, /* Write the merged value */ - status = acpi_ex_field_datum_io(obj_desc, field_datum_byte_offset, - &merged_value, ACPI_WRITE); + status = + acpi_ex_field_datum_io(obj_desc, field_datum_byte_offset, + &merged_value, ACPI_WRITE); return_ACPI_STATUS(status); } @@ -764,8 +767,9 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc, /* Get next input datum from the field */ field_offset += obj_desc->common_field.access_byte_width; - status = acpi_ex_field_datum_io(obj_desc, field_offset, - &raw_datum, ACPI_READ); + status = + acpi_ex_field_datum_io(obj_desc, field_offset, &raw_datum, + ACPI_READ); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -858,6 +862,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, new_buffer = NULL; required_length = ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length); + /* * We must have a buffer that is at least as long as the field * we are writing to. This is because individual fields are @@ -932,9 +937,9 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, /* Write merged datum to the target field */ merged_datum &= mask; - status = acpi_ex_write_with_update_rule(obj_desc, mask, - merged_datum, - field_offset); + status = + acpi_ex_write_with_update_rule(obj_desc, mask, merged_datum, + field_offset); if (ACPI_FAILURE(status)) { goto exit; } @@ -990,9 +995,9 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, /* Write the last datum to the field */ merged_datum &= mask; - status = acpi_ex_write_with_update_rule(obj_desc, - mask, merged_datum, - field_offset); + status = + acpi_ex_write_with_update_rule(obj_desc, mask, merged_datum, + field_offset); exit: /* Free temporary buffer if we used one */ diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index d02afec..f598b39 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -98,9 +98,9 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc, default: - ACPI_ERROR((AE_INFO, "Unknown Reference Class 0x%2.2X", + ACPI_ERROR((AE_INFO, "Invalid Reference Class 0x%2.2X", obj_desc->reference.class)); - return_ACPI_STATUS(AE_AML_INTERNAL); + return_ACPI_STATUS(AE_AML_OPERAND_TYPE); } break; @@ -247,6 +247,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, union acpi_operand_object *local_operand1 = operand1; union acpi_operand_object *return_desc; char *new_buf; + const char *type_string; acpi_status status; ACPI_FUNCTION_TRACE(ex_do_concatenate); @@ -266,9 +267,41 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, break; case ACPI_TYPE_STRING: + /* + * Per the ACPI spec, Concatenate only supports int/str/buf. + * However, we support all objects here as an extension. + * This improves the usefulness of the Printf() macro. + * 12/2015. + */ + switch (operand1->common.type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + + status = + acpi_ex_convert_to_string(operand1, &local_operand1, + ACPI_IMPLICIT_CONVERT_HEX); + break; + + default: + /* + * Just emit a string containing the object type. + */ + type_string = + acpi_ut_get_type_name(operand1->common.type); + + local_operand1 = acpi_ut_create_string_object(((acpi_size) strlen(type_string) + 9)); /* 9 For "[Object]" */ + if (!local_operand1) { + status = AE_NO_MEMORY; + goto cleanup; + } - status = acpi_ex_convert_to_string(operand1, &local_operand1, - ACPI_IMPLICIT_CONVERT_HEX); + strcpy(local_operand1->string.pointer, "["); + strcat(local_operand1->string.pointer, type_string); + strcat(local_operand1->string.pointer, " Object]"); + status = AE_OK; + break; + } break; case ACPI_TYPE_BUFFER: @@ -347,8 +380,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, /* Concatenate the strings */ strcpy(new_buf, operand0->string.pointer); - strcpy(new_buf + operand0->string.length, - local_operand1->string.pointer); + strcat(new_buf, local_operand1->string.pointer); break; case ACPI_TYPE_BUFFER: @@ -591,8 +623,9 @@ acpi_ex_do_logical_op(u16 opcode, case ACPI_TYPE_STRING: - status = acpi_ex_convert_to_string(operand1, &local_operand1, - ACPI_IMPLICIT_CONVERT_HEX); + status = + acpi_ex_convert_to_string(operand1, &local_operand1, + ACPI_IMPLICIT_CONVERT_HEX); break; case ACPI_TYPE_BUFFER: diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c index 472030f..843c60a 100644 --- a/drivers/acpi/acpica/exmutex.c +++ b/drivers/acpi/acpica/exmutex.c @@ -185,8 +185,9 @@ acpi_ex_acquire_mutex_object(u16 timeout, if (obj_desc == acpi_gbl_global_lock_mutex) { status = acpi_ev_acquire_global_lock(timeout); } else { - status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex, - timeout); + status = + acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex, + timeout); } if (ACPI_FAILURE(status)) { @@ -243,20 +244,30 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, } /* - * Current sync level must be less than or equal to the sync level of the - * mutex. This mechanism provides some deadlock prevention + * Current sync level must be less than or equal to the sync level + * of the mutex. This mechanism provides some deadlock prevention. */ if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) { ACPI_ERROR((AE_INFO, - "Cannot acquire Mutex [%4.4s], current SyncLevel is too large (%u)", + "Cannot acquire Mutex [%4.4s], " + "current SyncLevel is too large (%u)", acpi_ut_get_node_name(obj_desc->mutex.node), walk_state->thread->current_sync_level)); return_ACPI_STATUS(AE_AML_MUTEX_ORDER); } - status = acpi_ex_acquire_mutex_object((u16) time_desc->integer.value, + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Acquiring: Mutex SyncLevel %u, Thread SyncLevel %u, " + "Depth %u TID %p\n", + obj_desc->mutex.sync_level, + walk_state->thread->current_sync_level, + obj_desc->mutex.acquisition_depth, + walk_state->thread)); + + status = acpi_ex_acquire_mutex_object((u16)time_desc->integer.value, obj_desc, walk_state->thread->thread_id); + if (ACPI_SUCCESS(status) && obj_desc->mutex.acquisition_depth == 1) { /* Save Thread object, original/current sync levels */ @@ -272,6 +283,12 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, acpi_ex_link_mutex(obj_desc, walk_state->thread); } + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Acquired: Mutex SyncLevel %u, Thread SyncLevel %u, Depth %u\n", + obj_desc->mutex.sync_level, + walk_state->thread->current_sync_level, + obj_desc->mutex.acquisition_depth)); + return_ACPI_STATUS(status); } @@ -356,9 +373,9 @@ acpi_status acpi_ex_release_mutex(union acpi_operand_object *obj_desc, struct acpi_walk_state *walk_state) { - acpi_status status = AE_OK; u8 previous_sync_level; struct acpi_thread_state *owner_thread; + acpi_status status = AE_OK; ACPI_FUNCTION_TRACE(ex_release_mutex); @@ -409,7 +426,8 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, */ if (obj_desc->mutex.sync_level != owner_thread->current_sync_level) { ACPI_ERROR((AE_INFO, - "Cannot release Mutex [%4.4s], SyncLevel mismatch: mutex %u current %u", + "Cannot release Mutex [%4.4s], SyncLevel mismatch: " + "mutex %u current %u", acpi_ut_get_node_name(obj_desc->mutex.node), obj_desc->mutex.sync_level, walk_state->thread->current_sync_level)); @@ -424,6 +442,15 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, previous_sync_level = owner_thread->acquired_mutex_list->mutex.original_sync_level; + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Releasing: Object SyncLevel %u, Thread SyncLevel %u, " + "Prev SyncLevel %u, Depth %u TID %p\n", + obj_desc->mutex.sync_level, + walk_state->thread->current_sync_level, + previous_sync_level, + obj_desc->mutex.acquisition_depth, + walk_state->thread)); + status = acpi_ex_release_mutex_object(obj_desc); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); @@ -436,6 +463,14 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, owner_thread->current_sync_level = previous_sync_level; } + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Released: Object SyncLevel %u, Thread SyncLevel, %u, " + "Prev SyncLevel %u, Depth %u\n", + obj_desc->mutex.sync_level, + walk_state->thread->current_sync_level, + previous_sync_level, + obj_desc->mutex.acquisition_depth)); + return_ACPI_STATUS(status); } @@ -462,21 +497,17 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) union acpi_operand_object *next = thread->acquired_mutex_list; union acpi_operand_object *obj_desc; - ACPI_FUNCTION_NAME(ex_release_all_mutexes); + ACPI_FUNCTION_TRACE(ex_release_all_mutexes); /* Traverse the list of owned mutexes, releasing each one */ while (next) { obj_desc = next; - next = obj_desc->mutex.next; - - obj_desc->mutex.prev = NULL; - obj_desc->mutex.next = NULL; - obj_desc->mutex.acquisition_depth = 0; - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Force-releasing held mutex: %p\n", - obj_desc)); + "Mutex [%4.4s] force-release, SyncLevel %u Depth %u\n", + obj_desc->mutex.node->name.ascii, + obj_desc->mutex.sync_level, + obj_desc->mutex.acquisition_depth)); /* Release the mutex, special case for Global Lock */ @@ -489,14 +520,21 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) acpi_os_release_mutex(obj_desc->mutex.os_mutex); } - /* Mark mutex unowned */ - - obj_desc->mutex.owner_thread = NULL; - obj_desc->mutex.thread_id = 0; - /* Update Thread sync_level (Last mutex is the important one) */ thread->current_sync_level = obj_desc->mutex.original_sync_level; + + /* Mark mutex unowned */ + + next = obj_desc->mutex.next; + + obj_desc->mutex.prev = NULL; + obj_desc->mutex.next = NULL; + obj_desc->mutex.acquisition_depth = 0; + obj_desc->mutex.owner_thread = NULL; + obj_desc->mutex.thread_id = 0; } + + return_VOID; } diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c index 20e8781..b2e911a 100644 --- a/drivers/acpi/acpica/exnames.c +++ b/drivers/acpi/acpica/exnames.c @@ -164,8 +164,8 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string) ACPI_FUNCTION_TRACE(ex_name_segment); /* - * If first character is a digit, then we know that we aren't looking at a - * valid name segment + * If first character is a digit, then we know that we aren't looking + * at a valid name segment */ char_buf[0] = *aml_address; diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c index 7793068..efe7ac3 100644 --- a/drivers/acpi/acpica/exoparg1.c +++ b/drivers/acpi/acpica/exoparg1.c @@ -484,22 +484,26 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state) case AML_TO_DECSTRING_OP: /* to_decimal_string (Data, Result) */ - status = acpi_ex_convert_to_string(operand[0], &return_desc, - ACPI_EXPLICIT_CONVERT_DECIMAL); + status = + acpi_ex_convert_to_string(operand[0], &return_desc, + ACPI_EXPLICIT_CONVERT_DECIMAL); if (return_desc == operand[0]) { /* No conversion performed, add ref to handle return value */ + acpi_ut_add_reference(return_desc); } break; case AML_TO_HEXSTRING_OP: /* to_hex_string (Data, Result) */ - status = acpi_ex_convert_to_string(operand[0], &return_desc, - ACPI_EXPLICIT_CONVERT_HEX); + status = + acpi_ex_convert_to_string(operand[0], &return_desc, + ACPI_EXPLICIT_CONVERT_HEX); if (return_desc == operand[0]) { /* No conversion performed, add ref to handle return value */ + acpi_ut_add_reference(return_desc); } break; @@ -510,17 +514,20 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state) if (return_desc == operand[0]) { /* No conversion performed, add ref to handle return value */ + acpi_ut_add_reference(return_desc); } break; case AML_TO_INTEGER_OP: /* to_integer (Data, Result) */ - status = acpi_ex_convert_to_integer(operand[0], &return_desc, - ACPI_ANY_BASE); + status = + acpi_ex_convert_to_integer(operand[0], &return_desc, + ACPI_ANY_BASE); if (return_desc == operand[0]) { /* No conversion performed, add ref to handle return value */ + acpi_ut_add_reference(return_desc); } break; @@ -679,7 +686,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) status = acpi_ex_store(return_desc, operand[0], walk_state); break; - case AML_TYPE_OP: /* object_type (source_object) */ + case AML_OBJECT_TYPE_OP: /* object_type (source_object) */ /* * Note: The operand is not resolved at this point because we want to * get the associated object, not its value. For example, we don't @@ -713,9 +720,9 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) /* Get the base object */ - status = acpi_ex_resolve_multiple(walk_state, - operand[0], &type, - &temp_desc); + status = + acpi_ex_resolve_multiple(walk_state, operand[0], &type, + &temp_desc); if (ACPI_FAILURE(status)) { goto cleanup; } @@ -759,8 +766,10 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) default: ACPI_ERROR((AE_INFO, - "Operand must be Buffer/Integer/String/Package - found type %s", + "Operand must be Buffer/Integer/String/Package" + " - found type %s", acpi_ut_get_type_name(type))); + status = AE_AML_OPERAND_TYPE; goto cleanup; } @@ -981,6 +990,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) "Unknown Index TargetType 0x%X in reference object %p", operand[0]->reference. target_type, operand[0])); + status = AE_AML_OPERAND_TYPE; goto cleanup; } @@ -1050,6 +1060,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X", walk_state->opcode)); + status = AE_AML_BAD_OPCODE; goto cleanup; } diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c index b8944eb..6dad2ca 100644 --- a/drivers/acpi/acpica/exoparg2.c +++ b/drivers/acpi/acpica/exoparg2.c @@ -199,6 +199,7 @@ acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state) ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X", walk_state->opcode)); + status = AE_AML_BAD_OPCODE; goto cleanup; } @@ -299,8 +300,9 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state) case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */ - status = acpi_ex_do_concatenate(operand[0], operand[1], - &return_desc, walk_state); + status = + acpi_ex_do_concatenate(operand[0], operand[1], &return_desc, + walk_state); break; case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */ @@ -345,8 +347,9 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state) /* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */ - status = acpi_ex_concat_template(operand[0], operand[1], - &return_desc, walk_state); + status = + acpi_ex_concat_template(operand[0], operand[1], + &return_desc, walk_state); break; case AML_INDEX_OP: /* Index (Source Index Result) */ @@ -553,6 +556,7 @@ acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state) ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X", walk_state->opcode)); + status = AE_AML_BAD_OPCODE; goto cleanup; } diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c index fa100b3..27fb017 100644 --- a/drivers/acpi/acpica/exoparg3.c +++ b/drivers/acpi/acpica/exoparg3.c @@ -95,10 +95,11 @@ acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state) case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */ ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "FatalOp: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", - (u32) operand[0]->integer.value, - (u32) operand[1]->integer.value, - (u32) operand[2]->integer.value)); + "FatalOp: Type %X Code %X Arg %X " + "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", + (u32)operand[0]->integer.value, + (u32)operand[1]->integer.value, + (u32)operand[2]->integer.value)); fatal = ACPI_ALLOCATE(sizeof(struct acpi_signal_fatal_info)); if (fatal) { @@ -131,6 +132,7 @@ acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state) ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X", walk_state->opcode)); + status = AE_AML_BAD_OPCODE; goto cleanup; } @@ -193,7 +195,8 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) /* Truncate request if larger than the actual String/Buffer */ else if ((index + length) > operand[0]->string.length) { - length = (acpi_size) operand[0]->string.length - + length = + (acpi_size) operand[0]->string.length - (acpi_size) index; } @@ -237,8 +240,8 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) /* We have a buffer, copy the portion requested */ - memcpy(buffer, operand[0]->string.pointer + index, - length); + memcpy(buffer, + operand[0]->string.pointer + index, length); } /* Set the length of the new String/Buffer */ @@ -255,6 +258,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X", walk_state->opcode)); + status = AE_AML_BAD_OPCODE; goto cleanup; } @@ -270,12 +274,11 @@ cleanup: if (ACPI_FAILURE(status) || walk_state->result_obj) { acpi_ut_remove_reference(return_desc); walk_state->result_obj = NULL; - } + } else { + /* Set the return object and exit */ - /* Set the return object and exit */ - - else { walk_state->result_obj = return_desc; } + return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c index c930edd..7efc9f4 100644 --- a/drivers/acpi/acpica/exoparg6.c +++ b/drivers/acpi/acpica/exoparg6.c @@ -310,6 +310,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state) ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X", walk_state->opcode)); + status = AE_AML_BAD_OPCODE; goto cleanup; } diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index 4c2836d..1f111cc 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities + * Module Name: exprep - ACPI AML field prep utilities * *****************************************************************************/ @@ -103,8 +103,10 @@ acpi_ex_generate_access(u32 field_bit_offset, /* Round Field start offset and length to "minimal" byte boundaries */ field_byte_offset = ACPI_DIV_8(ACPI_ROUND_DOWN(field_bit_offset, 8)); - field_byte_end_offset = ACPI_DIV_8(ACPI_ROUND_UP(field_bit_length + - field_bit_offset, 8)); + + field_byte_end_offset = + ACPI_DIV_8(ACPI_ROUND_UP(field_bit_length + field_bit_offset, 8)); + field_byte_length = field_byte_end_offset - field_byte_offset; ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, @@ -159,7 +161,8 @@ acpi_ex_generate_access(u32 field_bit_offset, if (accesses <= 1) { ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Entire field can be accessed with one operation of size %u\n", + "Entire field can be accessed " + "with one operation of size %u\n", access_byte_width)); return_VALUE(access_byte_width); } @@ -202,6 +205,7 @@ acpi_ex_generate_access(u32 field_bit_offset, */ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, "Cannot access field in one operation, using width 8\n")); + return_VALUE(8); } #endif /* ACPI_UNDER_DEVELOPMENT */ @@ -281,6 +285,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc, /* Invalid field access type */ ACPI_ERROR((AE_INFO, "Unknown field access type 0x%X", access)); + return_UINT32(0); } @@ -354,8 +359,8 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc, * For all other access types (Byte, Word, Dword, Qword), the Bitwidth is * the same (equivalent) as the byte_alignment. */ - access_bit_width = acpi_ex_decode_field_access(obj_desc, field_flags, - &byte_alignment); + access_bit_width = + acpi_ex_decode_field_access(obj_desc, field_flags, &byte_alignment); if (!access_bit_width) { return_ACPI_STATUS(AE_AML_OPERAND_VALUE); } @@ -595,7 +600,8 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) access_byte_width); ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "IndexField: BitOff %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n", + "IndexField: BitOff %X, Off %X, Value %X, " + "Gran %X, Index %p, Data %p\n", obj_desc->index_field.start_field_bit_offset, obj_desc->index_field.base_byte_offset, obj_desc->index_field.value, @@ -615,8 +621,9 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) * Store the constructed descriptor (obj_desc) into the parent Node, * preserving the current type of that named_obj. */ - status = acpi_ns_attach_object(info->field_node, obj_desc, - acpi_ns_get_type(info->field_node)); + status = + acpi_ns_attach_object(info->field_node, obj_desc, + acpi_ns_get_type(info->field_node)); ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, "Set NamedObj %p [%4.4s], ObjDesc %p\n", diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index b4a5e44..1851a30 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -392,7 +392,8 @@ acpi_ex_pci_config_space_handler(u32 function, pci_register = (u16) (u32) address; ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Pci-Config %u (%u) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n", + "Pci-Config %u (%u) Seg(%04x) Bus(%04x) " + "Dev(%04x) Func(%04x) Reg(%04x)\n", function, bit_width, pci_id->segment, pci_id->bus, pci_id->device, pci_id->function, pci_register)); @@ -400,14 +401,16 @@ acpi_ex_pci_config_space_handler(u32 function, case ACPI_READ: *value = 0; - status = acpi_os_read_pci_configuration(pci_id, pci_register, - value, bit_width); + status = + acpi_os_read_pci_configuration(pci_id, pci_register, value, + bit_width); break; case ACPI_WRITE: - status = acpi_os_write_pci_configuration(pci_id, pci_register, - *value, bit_width); + status = + acpi_os_write_pci_configuration(pci_id, pci_register, + *value, bit_width); break; default: diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c index 1b372ef..6793dcc 100644 --- a/drivers/acpi/acpica/exresnte.c +++ b/drivers/acpi/acpica/exresnte.c @@ -112,7 +112,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr, /* * Several object types require no further processing: - * 1) Device/Thermal objects don't have a "real" subobject, return the Node + * 1) Device/Thermal objects don't have a "real" subobject, return Node * 2) Method locals and arguments have a pseudo-Node * 3) 10/2007: Added method type to assist with Package construction. */ diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c index a1afe1a..7f9260b 100644 --- a/drivers/acpi/acpica/exresolv.c +++ b/drivers/acpi/acpica/exresolv.c @@ -217,7 +217,8 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, * the package, can't dereference it */ ACPI_ERROR((AE_INFO, - "Attempt to dereference an Index to NULL package element Idx=%p", + "Attempt to dereference an Index to " + "NULL package element Idx=%p", stack_desc)); status = AE_AML_UNINITIALIZED_ELEMENT; } @@ -361,10 +362,9 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, if (type == ACPI_TYPE_LOCAL_ALIAS) { type = ((struct acpi_namespace_node *)obj_desc)->type; - obj_desc = - acpi_ns_get_attached_object((struct - acpi_namespace_node *) - obj_desc); + obj_desc = acpi_ns_get_attached_object((struct + acpi_namespace_node + *)obj_desc); } if (!obj_desc) { diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c index 424442d..861453e 100644 --- a/drivers/acpi/acpica/exresop.c +++ b/drivers/acpi/acpica/exresop.c @@ -90,8 +90,8 @@ acpi_ex_check_object_type(acpi_object_type type_needed, * specification, a store to a constant is a noop.) */ if ((this_type == ACPI_TYPE_INTEGER) && - (((union acpi_operand_object *)object)->common. - flags & AOPOBJ_AML_CONSTANT)) { + (((union acpi_operand_object *)object)->common.flags & + AOPOBJ_AML_CONSTANT)) { return (AE_OK); } } @@ -196,10 +196,10 @@ acpi_ex_resolve_operands(u16 opcode, * thus, the attached object is always the aliased namespace node */ if (object_type == ACPI_TYPE_LOCAL_ALIAS) { - obj_desc = - acpi_ns_get_attached_object((struct - acpi_namespace_node - *)obj_desc); + obj_desc = acpi_ns_get_attached_object((struct + acpi_namespace_node + *) + obj_desc); *stack_ptr = obj_desc; object_type = ((struct acpi_namespace_node *)obj_desc)-> @@ -285,8 +285,8 @@ acpi_ex_resolve_operands(u16 opcode, case ARGI_REF_OR_STRING: /* Can be a String or Reference */ if ((ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == - ACPI_DESC_TYPE_OPERAND) - && (obj_desc->common.type == ACPI_TYPE_STRING)) { + ACPI_DESC_TYPE_OPERAND) && + (obj_desc->common.type == ACPI_TYPE_STRING)) { /* * String found - the string references a named object and * must be resolved to a node @@ -465,8 +465,9 @@ acpi_ex_resolve_operands(u16 opcode, * But we can implicitly convert from a BUFFER or INTEGER * aka - "Implicit Source Operand Conversion" */ - status = acpi_ex_convert_to_string(obj_desc, stack_ptr, - ACPI_IMPLICIT_CONVERT_HEX); + status = + acpi_ex_convert_to_string(obj_desc, stack_ptr, + ACPI_IMPLICIT_CONVERT_HEX); if (ACPI_FAILURE(status)) { if (status == AE_TYPE) { ACPI_ERROR((AE_INFO, @@ -597,8 +598,10 @@ acpi_ex_resolve_operands(u16 opcode, case ARGI_REGION_OR_BUFFER: /* Used by Load() only */ - /* Need an operand of type REGION or a BUFFER (which could be a resolved region field) */ - + /* + * Need an operand of type REGION or a BUFFER + * (which could be a resolved region field) + */ switch (obj_desc->common.type) { case ACPI_TYPE_BUFFER: case ACPI_TYPE_REGION: @@ -640,9 +643,9 @@ acpi_ex_resolve_operands(u16 opcode, if (acpi_gbl_enable_interpreter_slack) { /* - * Enable original behavior of Store(), allowing any and all - * objects as the source operand. The ACPI spec does not - * allow this, however. + * Enable original behavior of Store(), allowing any + * and all objects as the source operand. The ACPI + * spec does not allow this, however. */ break; } @@ -655,7 +658,8 @@ acpi_ex_resolve_operands(u16 opcode, } ACPI_ERROR((AE_INFO, - "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p", + "Needed Integer/Buffer/String/Package/Ref/Ddb]" + ", found [%s] %p", acpi_ut_get_object_type_name (obj_desc), obj_desc)); @@ -678,9 +682,10 @@ acpi_ex_resolve_operands(u16 opcode, * Make sure that the original object was resolved to the * required object type (Simple cases only). */ - status = acpi_ex_check_object_type(type_needed, - (*stack_ptr)->common.type, - *stack_ptr); + status = + acpi_ex_check_object_type(type_needed, + (*stack_ptr)->common.type, + *stack_ptr); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c index c076e91..d3afbcb 100644 --- a/drivers/acpi/acpica/exstore.c +++ b/drivers/acpi/acpica/exstore.c @@ -467,7 +467,8 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc, case ACPI_TYPE_THERMAL: ACPI_ERROR((AE_INFO, - "Target must be [Buffer/Integer/String/Reference], found [%s] (%4.4s)", + "Target must be [Buffer/Integer/String/Reference]" + ", found [%s] (%4.4s)", acpi_ut_get_type_name(node->type), node->name.ascii)); @@ -504,8 +505,9 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc, * an implicit conversion, as per the ACPI specification. * A direct store is performed instead. */ - status = acpi_ex_store_direct_to_node(source_desc, node, - walk_state); + status = + acpi_ex_store_direct_to_node(source_desc, node, + walk_state); break; } @@ -528,8 +530,9 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc, * store has been performed such that the node/object type * has been changed. */ - status = acpi_ns_attach_object(node, new_desc, - new_desc->common.type); + status = + acpi_ns_attach_object(node, new_desc, + new_desc->common.type); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Store type [%s] into [%s] via Convert/Attach\n", @@ -563,8 +566,8 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc, * operator. (Note, for this default case, all normal * Store/Target operations exited above with an error). */ - status = acpi_ex_store_direct_to_node(source_desc, node, - walk_state); + status = + acpi_ex_store_direct_to_node(source_desc, node, walk_state); break; } diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c index e1d4f4d..ad3bc92 100644 --- a/drivers/acpi/acpica/exstorob.c +++ b/drivers/acpi/acpica/exstorob.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Module Name: exstorob - AML Interpreter object store support, store to object + * Module Name: exstorob - AML object store support, store to object * *****************************************************************************/ @@ -203,8 +203,9 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc, ACPI_FREE(target_desc->string.pointer); } - target_desc->string.pointer = ACPI_ALLOCATE_ZEROED((acpi_size) - length + 1); + target_desc->string.pointer = + ACPI_ALLOCATE_ZEROED((acpi_size) length + 1); + if (!target_desc->string.pointer) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c index 0545065..7c91c1f 100644 --- a/drivers/acpi/acpica/exsystem.c +++ b/drivers/acpi/acpica/exsystem.c @@ -78,7 +78,6 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) /* We must wait, so unlock the interpreter */ acpi_ex_exit_interpreter(); - status = acpi_os_wait_semaphore(semaphore, 1, timeout); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, @@ -124,7 +123,6 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout) /* We must wait, so unlock the interpreter */ acpi_ex_exit_interpreter(); - status = acpi_os_acquire_mutex(mutex, timeout); ACPI_DEBUG_PRINT((ACPI_DB_EXEC, @@ -169,8 +167,8 @@ acpi_status acpi_ex_system_do_stall(u32 how_long) * (ACPI specifies 100 usec as max, but this gives some slack in * order to support existing BIOSs) */ - ACPI_ERROR((AE_INFO, "Time parameter is too large (%u)", - how_long)); + ACPI_ERROR((AE_INFO, + "Time parameter is too large (%u)", how_long)); status = AE_AML_OPERAND_VALUE; } else { acpi_os_stall(how_long); diff --git a/drivers/acpi/acpica/extrace.c b/drivers/acpi/acpica/extrace.c new file mode 100644 index 0000000..e4a185e --- /dev/null +++ b/drivers/acpi/acpica/extrace.c @@ -0,0 +1,377 @@ +/****************************************************************************** + * + * Module Name: extrace - Support for interpreter execution tracing + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2015, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acnamesp.h" +#include "acinterp.h" + +#define _COMPONENT ACPI_EXECUTER +ACPI_MODULE_NAME("extrace") + +static union acpi_operand_object *acpi_gbl_trace_method_object = NULL; + +/* Local prototypes */ + +#ifdef ACPI_DEBUG_OUTPUT +static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type); +#endif + +/******************************************************************************* + * + * FUNCTION: acpi_ex_interpreter_trace_enabled + * + * PARAMETERS: name - Whether method name should be matched, + * this should be checked before starting + * the tracer + * + * RETURN: TRUE if interpreter trace is enabled. + * + * DESCRIPTION: Check whether interpreter trace is enabled + * + ******************************************************************************/ + +static u8 acpi_ex_interpreter_trace_enabled(char *name) +{ + + /* Check if tracing is enabled */ + + if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED)) { + return (FALSE); + } + + /* + * Check if tracing is filtered: + * + * 1. If the tracer is started, acpi_gbl_trace_method_object should have + * been filled by the trace starter + * 2. If the tracer is not started, acpi_gbl_trace_method_name should be + * matched if it is specified + * 3. If the tracer is oneshot style, acpi_gbl_trace_method_name should + * not be cleared by the trace stopper during the first match + */ + if (acpi_gbl_trace_method_object) { + return (TRUE); + } + + if (name && + (acpi_gbl_trace_method_name && + strcmp(acpi_gbl_trace_method_name, name))) { + return (FALSE); + } + + if ((acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) && + !acpi_gbl_trace_method_name) { + return (FALSE); + } + + return (TRUE); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_get_trace_event_name + * + * PARAMETERS: type - Trace event type + * + * RETURN: Trace event name. + * + * DESCRIPTION: Used to obtain the full trace event name. + * + ******************************************************************************/ + +#ifdef ACPI_DEBUG_OUTPUT + +static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type) +{ + + switch (type) { + case ACPI_TRACE_AML_METHOD: + + return "Method"; + + case ACPI_TRACE_AML_OPCODE: + + return "Opcode"; + + case ACPI_TRACE_AML_REGION: + + return "Region"; + + default: + + return ""; + } +} + +#endif + +/******************************************************************************* + * + * FUNCTION: acpi_ex_trace_point + * + * PARAMETERS: type - Trace event type + * begin - TRUE if before execution + * aml - Executed AML address + * pathname - Object path + * + * RETURN: None + * + * DESCRIPTION: Internal interpreter execution trace. + * + ******************************************************************************/ + +void +acpi_ex_trace_point(acpi_trace_event_type type, + u8 begin, u8 *aml, char *pathname) +{ + + ACPI_FUNCTION_NAME(ex_trace_point); + + if (pathname) { + ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, + "%s %s [0x%p:%s] execution.\n", + acpi_ex_get_trace_event_name(type), + begin ? "Begin" : "End", aml, pathname)); + } else { + ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, + "%s %s [0x%p] execution.\n", + acpi_ex_get_trace_event_name(type), + begin ? "Begin" : "End", aml)); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_start_trace_method + * + * PARAMETERS: method_node - Node of the method + * obj_desc - The method object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Start control method execution trace + * + ******************************************************************************/ + +void +acpi_ex_start_trace_method(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state) +{ + acpi_status status; + char *pathname = NULL; + u8 enabled = FALSE; + + ACPI_FUNCTION_NAME(ex_start_trace_method); + + if (method_node) { + pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit; + } + + enabled = acpi_ex_interpreter_trace_enabled(pathname); + if (enabled && !acpi_gbl_trace_method_object) { + acpi_gbl_trace_method_object = obj_desc; + acpi_gbl_original_dbg_level = acpi_dbg_level; + acpi_gbl_original_dbg_layer = acpi_dbg_layer; + acpi_dbg_level = ACPI_TRACE_LEVEL_ALL; + acpi_dbg_layer = ACPI_TRACE_LAYER_ALL; + + if (acpi_gbl_trace_dbg_level) { + acpi_dbg_level = acpi_gbl_trace_dbg_level; + } + + if (acpi_gbl_trace_dbg_layer) { + acpi_dbg_layer = acpi_gbl_trace_dbg_layer; + } + } + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + +exit: + if (enabled) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, TRUE, + obj_desc ? obj_desc->method.aml_start : NULL, + pathname); + } + + if (pathname) { + ACPI_FREE(pathname); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_stop_trace_method + * + * PARAMETERS: method_node - Node of the method + * obj_desc - The method object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Stop control method execution trace + * + ******************************************************************************/ + +void +acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state) +{ + acpi_status status; + char *pathname = NULL; + u8 enabled; + + ACPI_FUNCTION_NAME(ex_stop_trace_method); + + if (method_node) { + pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit_path; + } + + enabled = acpi_ex_interpreter_trace_enabled(NULL); + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + + if (enabled) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, FALSE, + obj_desc ? obj_desc->method.aml_start : NULL, + pathname); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit_path; + } + + /* Check whether the tracer should be stopped */ + + if (acpi_gbl_trace_method_object == obj_desc) { + + /* Disable further tracing if type is one-shot */ + + if (acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) { + acpi_gbl_trace_method_name = NULL; + } + + acpi_dbg_level = acpi_gbl_original_dbg_level; + acpi_dbg_layer = acpi_gbl_original_dbg_layer; + acpi_gbl_trace_method_object = NULL; + } + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + +exit_path: + if (pathname) { + ACPI_FREE(pathname); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_start_trace_opcode + * + * PARAMETERS: op - The parser opcode object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Start opcode execution trace + * + ******************************************************************************/ + +void +acpi_ex_start_trace_opcode(union acpi_parse_object *op, + struct acpi_walk_state *walk_state) +{ + + ACPI_FUNCTION_NAME(ex_start_trace_opcode); + + if (acpi_ex_interpreter_trace_enabled(NULL) && + (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, TRUE, + op->common.aml, op->common.aml_op_name); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_stop_trace_opcode + * + * PARAMETERS: op - The parser opcode object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Stop opcode execution trace + * + ******************************************************************************/ + +void +acpi_ex_stop_trace_opcode(union acpi_parse_object *op, + struct acpi_walk_state *walk_state) +{ + + ACPI_FUNCTION_NAME(ex_stop_trace_opcode); + + if (acpi_ex_interpreter_trace_enabled(NULL) && + (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, FALSE, + op->common.aml, op->common.aml_op_name); + } +} diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c index 30c3f46..8ae7634 100644 --- a/drivers/acpi/acpica/exutils.c +++ b/drivers/acpi/acpica/exutils.c @@ -167,8 +167,8 @@ u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc) if ((acpi_gbl_integer_byte_width == 4) && (obj_desc->integer.value > (u64)ACPI_UINT32_MAX)) { /* - * We are executing in a 32-bit ACPI table. - * Truncate the value to 32 bits by zeroing out the upper 32-bit field + * We are executing in a 32-bit ACPI table. Truncate + * the value to 32 bits by zeroing out the upper 32-bit field */ obj_desc->integer.value &= (u64)ACPI_UINT32_MAX; return (TRUE); @@ -323,7 +323,8 @@ void acpi_ex_eisa_id_to_string(char *out_string, u64 compressed_id) if (compressed_id > ACPI_UINT32_MAX) { ACPI_WARNING((AE_INFO, - "Expected EISAID is larger than 32 bits: 0x%8.8X%8.8X, truncating", + "Expected EISAID is larger than 32 bits: " + "0x%8.8X%8.8X, truncating", ACPI_FORMAT_UINT64(compressed_id))); } diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index e5599f6..d0319a2 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -117,8 +117,8 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) /* Clear wake status (WAK_STS) */ - status = - acpi_write((u64)ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status); + status = acpi_write((u64)ACPI_X_WAKE_STATUS, + &acpi_gbl_FADT.sleep_status); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c index 73cfa59..8272f96 100644 --- a/drivers/acpi/acpica/hwgpe.c +++ b/drivers/acpi/acpica/hwgpe.c @@ -187,9 +187,8 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info) */ register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info); - status = acpi_hw_write(register_bit, - &gpe_register_info->status_address); - + status = + acpi_hw_write(register_bit, &gpe_register_info->status_address); return (status); } @@ -297,6 +296,7 @@ acpi_hw_gpe_enable_write(u8 enable_mask, acpi_status status; gpe_register_info->enable_mask = enable_mask; + status = acpi_hw_write(enable_mask, &gpe_register_info->enable_address); return (status); } diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 7d21cae..ac5b7f7 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -80,8 +80,8 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state) /* Clear wake status */ - status = - acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, ACPI_CLEAR_STATUS); + status = acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, + ACPI_CLEAR_STATUS); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c index 5f97468..b2e50d8 100644 --- a/drivers/acpi/acpica/hwxface.c +++ b/drivers/acpi/acpica/hwxface.c @@ -504,11 +504,20 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b) * Evaluate the \_Sx namespace object containing the register values * for this state */ - info->relative_pathname = - ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]); + info->relative_pathname = ACPI_CAST_PTR(char, + acpi_gbl_sleep_state_names + [sleep_state]); + status = acpi_ns_evaluate(info); if (ACPI_FAILURE(status)) { - goto cleanup; + if (status == AE_NOT_FOUND) { + + /* The _Sx states are optional, ignore NOT_FOUND */ + + goto final_cleanup; + } + + goto warning_cleanup; } /* Must have a return object */ @@ -517,7 +526,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b) ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]", info->relative_pathname)); status = AE_AML_NO_RETURN_VALUE; - goto cleanup; + goto warning_cleanup; } /* Return object must be of type Package */ @@ -526,7 +535,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b) ACPI_ERROR((AE_INFO, "Sleep State return object is not a Package")); status = AE_AML_OPERAND_TYPE; - goto cleanup1; + goto return_value_cleanup; } /* @@ -570,16 +579,17 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b) break; } -cleanup1: +return_value_cleanup: acpi_ut_remove_reference(info->return_object); -cleanup: +warning_cleanup: if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "While evaluating Sleep State [%s]", info->relative_pathname)); } +final_cleanup: ACPI_FREE(info); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index d62a616..1ce4efa 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -52,9 +52,9 @@ ACPI_MODULE_NAME("hwxfsleep") /* Local prototypes */ #if (!ACPI_REDUCED_HARDWARE) static acpi_status -acpi_hw_set_firmware_waking_vectors(struct acpi_table_facs *facs, - acpi_physical_address physical_address, - acpi_physical_address physical_address64); +acpi_hw_set_firmware_waking_vector(struct acpi_table_facs *facs, + acpi_physical_address physical_address, + acpi_physical_address physical_address64); #endif static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id); @@ -79,22 +79,20 @@ static struct acpi_sleep_functions acpi_sleep_dispatch[] = { /* * These functions are removed for the ACPI_REDUCED_HARDWARE case: - * acpi_set_firmware_waking_vectors * acpi_set_firmware_waking_vector - * acpi_set_firmware_waking_vector64 * acpi_enter_sleep_state_s4bios */ #if (!ACPI_REDUCED_HARDWARE) /******************************************************************************* * - * FUNCTION: acpi_hw_set_firmware_waking_vectors + * FUNCTION: acpi_hw_set_firmware_waking_vector * * PARAMETERS: facs - Pointer to FACS table * physical_address - 32-bit physical address of ACPI real mode - * entry point. + * entry point * physical_address64 - 64-bit physical address of ACPI protected - * mode entry point. + * mode entry point * * RETURN: Status * @@ -103,11 +101,11 @@ static struct acpi_sleep_functions acpi_sleep_dispatch[] = { ******************************************************************************/ static acpi_status -acpi_hw_set_firmware_waking_vectors(struct acpi_table_facs *facs, - acpi_physical_address physical_address, - acpi_physical_address physical_address64) +acpi_hw_set_firmware_waking_vector(struct acpi_table_facs *facs, + acpi_physical_address physical_address, + acpi_physical_address physical_address64) { - ACPI_FUNCTION_TRACE(acpi_hw_set_firmware_waking_vectors); + ACPI_FUNCTION_TRACE(acpi_hw_set_firmware_waking_vector); /* @@ -140,12 +138,12 @@ acpi_hw_set_firmware_waking_vectors(struct acpi_table_facs *facs, /******************************************************************************* * - * FUNCTION: acpi_set_firmware_waking_vectors + * FUNCTION: acpi_set_firmware_waking_vector * * PARAMETERS: physical_address - 32-bit physical address of ACPI real mode - * entry point. + * entry point * physical_address64 - 64-bit physical address of ACPI protected - * mode entry point. + * mode entry point * * RETURN: Status * @@ -154,79 +152,23 @@ acpi_hw_set_firmware_waking_vectors(struct acpi_table_facs *facs, ******************************************************************************/ acpi_status -acpi_set_firmware_waking_vectors(acpi_physical_address physical_address, - acpi_physical_address physical_address64) +acpi_set_firmware_waking_vector(acpi_physical_address physical_address, + acpi_physical_address physical_address64) { - ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vectors); + ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector); if (acpi_gbl_FACS) { - (void)acpi_hw_set_firmware_waking_vectors(acpi_gbl_FACS, - physical_address, - physical_address64); + (void)acpi_hw_set_firmware_waking_vector(acpi_gbl_FACS, + physical_address, + physical_address64); } return_ACPI_STATUS(AE_OK); } -ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vectors) - -/******************************************************************************* - * - * FUNCTION: acpi_set_firmware_waking_vector - * - * PARAMETERS: physical_address - 32-bit physical address of ACPI real mode - * entry point. - * - * RETURN: Status - * - * DESCRIPTION: Sets the 32-bit firmware_waking_vector field of the FACS - * - ******************************************************************************/ -acpi_status acpi_set_firmware_waking_vector(u32 physical_address) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector); - - status = acpi_set_firmware_waking_vectors((acpi_physical_address) - physical_address, 0); - - return_ACPI_STATUS(status); -} - ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector) -#if ACPI_MACHINE_WIDTH == 64 -/******************************************************************************* - * - * FUNCTION: acpi_set_firmware_waking_vector64 - * - * PARAMETERS: physical_address - 64-bit physical address of ACPI protected - * mode entry point. - * - * RETURN: Status - * - * DESCRIPTION: Sets the 64-bit X_firmware_waking_vector field of the FACS, if - * it exists in the table. This function is intended for use with - * 64-bit host operating systems. - * - ******************************************************************************/ -acpi_status acpi_set_firmware_waking_vector64(u64 physical_address) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector64); - - status = acpi_set_firmware_waking_vectors(0, - (acpi_physical_address) - physical_address); - - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector64) -#endif /******************************************************************************* * * FUNCTION: acpi_enter_sleep_state_s4bios @@ -286,6 +228,7 @@ acpi_status acpi_enter_sleep_state_s4bios(void) if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } + } while (!in_value); return_ACPI_STATUS(AE_OK); diff --git a/drivers/acpi/acpica/nsconvert.c b/drivers/acpi/acpica/nsconvert.c index da55a1c..f21568b 100644 --- a/drivers/acpi/acpica/nsconvert.c +++ b/drivers/acpi/acpica/nsconvert.c @@ -96,9 +96,9 @@ acpi_ns_convert_to_integer(union acpi_operand_object *original_object, /* Extract each buffer byte to create the integer */ for (i = 0; i < original_object->buffer.length; i++) { - value |= - ((u64)original_object->buffer. - pointer[i] << (i * 8)); + value |= ((u64) + original_object->buffer.pointer[i] << (i * + 8)); } break; @@ -153,10 +153,9 @@ acpi_ns_convert_to_string(union acpi_operand_object *original_object, return (AE_NO_MEMORY); } } else { - status = - acpi_ex_convert_to_string(original_object, - &new_object, - ACPI_IMPLICIT_CONVERT_HEX); + status = acpi_ex_convert_to_string(original_object, + &new_object, + ACPI_IMPLICIT_CONVERT_HEX); if (ACPI_FAILURE(status)) { return (status); } @@ -244,9 +243,8 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, /* String-to-Buffer conversion. Simple data copy */ - new_object = - acpi_ut_create_buffer_object(original_object->string. - length); + new_object = acpi_ut_create_buffer_object + (original_object->string.length); if (!new_object) { return (AE_NO_MEMORY); } @@ -308,7 +306,8 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, * * FUNCTION: acpi_ns_convert_to_unicode * - * PARAMETERS: original_object - ASCII String Object to be converted + * PARAMETERS: scope - Namespace node for the method/object + * original_object - ASCII String Object to be converted * return_object - Where the new converted object is returned * * RETURN: Status. AE_OK if conversion was successful. @@ -318,7 +317,8 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, ******************************************************************************/ acpi_status -acpi_ns_convert_to_unicode(union acpi_operand_object *original_object, +acpi_ns_convert_to_unicode(struct acpi_namespace_node * scope, + union acpi_operand_object *original_object, union acpi_operand_object **return_object) { union acpi_operand_object *new_object; @@ -372,7 +372,8 @@ acpi_ns_convert_to_unicode(union acpi_operand_object *original_object, * * FUNCTION: acpi_ns_convert_to_resource * - * PARAMETERS: original_object - Object to be converted + * PARAMETERS: scope - Namespace node for the method/object + * original_object - Object to be converted * return_object - Where the new converted object is returned * * RETURN: Status. AE_OK if conversion was successful @@ -383,7 +384,8 @@ acpi_ns_convert_to_unicode(union acpi_operand_object *original_object, ******************************************************************************/ acpi_status -acpi_ns_convert_to_resource(union acpi_operand_object *original_object, +acpi_ns_convert_to_resource(struct acpi_namespace_node * scope, + union acpi_operand_object *original_object, union acpi_operand_object **return_object) { union acpi_operand_object *new_object; @@ -444,3 +446,78 @@ acpi_ns_convert_to_resource(union acpi_operand_object *original_object, *return_object = new_object; return (AE_OK); } + +/******************************************************************************* + * + * FUNCTION: acpi_ns_convert_to_reference + * + * PARAMETERS: scope - Namespace node for the method/object + * original_object - Object to be converted + * return_object - Where the new converted object is returned + * + * RETURN: Status. AE_OK if conversion was successful + * + * DESCRIPTION: Attempt to convert a Integer object to a object_reference. + * Buffer. + * + ******************************************************************************/ + +acpi_status +acpi_ns_convert_to_reference(struct acpi_namespace_node * scope, + union acpi_operand_object *original_object, + union acpi_operand_object **return_object) +{ + union acpi_operand_object *new_object = NULL; + acpi_status status; + struct acpi_namespace_node *node; + union acpi_generic_state scope_info; + char *name; + + ACPI_FUNCTION_NAME(ns_convert_to_reference); + + /* Convert path into internal presentation */ + + status = + acpi_ns_internalize_name(original_object->string.pointer, &name); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Find the namespace node */ + + scope_info.scope.node = + ACPI_CAST_PTR(struct acpi_namespace_node, scope); + status = + acpi_ns_lookup(&scope_info, name, ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, + ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, + NULL, &node); + if (ACPI_FAILURE(status)) { + + /* Check if we are resolving a named reference within a package */ + + ACPI_ERROR_NAMESPACE(original_object->string.pointer, status); + goto error_exit; + } + + /* Create and init a new internal ACPI object */ + + new_object = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE); + if (!new_object) { + status = AE_NO_MEMORY; + goto error_exit; + } + new_object->reference.node = node; + new_object->reference.object = node->object; + new_object->reference.class = ACPI_REFCLASS_NAME; + + /* + * Increase reference of the object if needed (the object is likely a + * null for device nodes). + */ + acpi_ut_add_reference(node->object); + +error_exit: + ACPI_FREE(name); + *return_object = new_object; + return (AE_OK); +} diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index 37aa5c4..bc5ff35 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -539,11 +539,13 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, acpi_os_printf ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n", obj_type); + bytes_to_dump = 32; } else { acpi_os_printf ("(Pointer to ACPI Object type %.2X [%s])\n", obj_type, acpi_ut_get_type_name(obj_type)); + bytes_to_dump = sizeof(union acpi_operand_object); } @@ -573,6 +575,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, */ bytes_to_dump = obj_desc->string.length; obj_desc = (void *)obj_desc->string.pointer; + acpi_os_printf("(Buffer/String pointer %p length %X)\n", obj_desc, bytes_to_dump); ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump); @@ -717,7 +720,7 @@ acpi_ns_dump_one_object_path(acpi_handle obj_handle, return (AE_OK); } - pathname = acpi_ns_get_external_pathname(node); + pathname = acpi_ns_get_normalized_pathname(node, TRUE); path_indent = 1; if (level <= max_level) { diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index 7eba578..15e0b2e 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -135,7 +135,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info) /* Get the full pathname to the object, for use in warning messages */ - info->full_pathname = acpi_ns_get_external_pathname(info->node); + info->full_pathname = acpi_ns_get_normalized_pathname(info->node, TRUE); if (!info->full_pathname) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index b744a53..ac59929 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -582,7 +582,8 @@ acpi_ns_init_one_device(acpi_handle obj_handle, /* Ignore error and move on to next device */ - char *scope_name = acpi_ns_get_external_pathname(info->node); + char *scope_name = + acpi_ns_get_normalized_pathname(device_node, TRUE); ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution", scope_name)); diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c index 14ab836..14c953e 100644 --- a/drivers/acpi/acpica/nsload.c +++ b/drivers/acpi/acpica/nsload.c @@ -149,6 +149,23 @@ unlock: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "**** Completed Table Object Initialization\n")); + /* + * Execute any module-level code that was detected during the table load + * phase. Although illegal since ACPI 2.0, there are many machines that + * contain this type of code. Each block of detected executable AML code + * outside of any control method is wrapped with a temporary control + * method object and placed on a global list. The methods on this list + * are executed below. + * + * This case executes the module-level code for each table immediately + * after the table has been loaded. This provides compatibility with + * other ACPI implementations. Optionally, the execution can be deferred + * until later, see acpi_initialize_objects. + */ + if (!acpi_gbl_group_module_level_code) { + acpi_ns_exec_module_code_list(); + } + return_ACPI_STATUS(status); } @@ -321,7 +338,6 @@ acpi_status acpi_ns_unload_namespace(acpi_handle handle) /* This function does the real work */ status = acpi_ns_delete_subtree(handle); - return_ACPI_STATUS(status); } #endif diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index 8934b4e..521031f 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -70,7 +70,6 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node) ACPI_FUNCTION_TRACE_PTR(ns_get_external_pathname, node); name_buffer = acpi_ns_get_normalized_pathname(node, FALSE); - return_PTR(name_buffer); } @@ -93,7 +92,6 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) ACPI_FUNCTION_ENTRY(); size = acpi_ns_build_normalized_path(node, NULL, 0, FALSE); - return (size); } @@ -217,6 +215,7 @@ acpi_ns_build_normalized_path(struct acpi_namespace_node *node, ACPI_PATH_PUT8(full_path, path_size, AML_DUAL_NAME_PREFIX, length); } + ACPI_MOVE_32_TO_32(name, &next_node->name); do_no_trailing = no_trailing; for (i = 0; i < 4; i++) { @@ -228,8 +227,10 @@ acpi_ns_build_normalized_path(struct acpi_namespace_node *node, ACPI_PATH_PUT8(full_path, path_size, c, length); } } + next_node = next_node->parent; } + ACPI_PATH_PUT8(full_path, path_size, AML_ROOT_PREFIX, length); /* Reverse the path string */ @@ -237,6 +238,7 @@ acpi_ns_build_normalized_path(struct acpi_namespace_node *node, if (length <= path_size) { left = full_path; right = full_path + length - 1; + while (left < right) { c = *left; *left++ = *right; diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c index 3736d43b..43b45a8 100644 --- a/drivers/acpi/acpica/nsparse.c +++ b/drivers/acpi/acpica/nsparse.c @@ -141,8 +141,8 @@ acpi_ns_one_complete_parse(u32 pass_number, /* Parse the AML */ - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %u parse\n", - pass_number)); + ACPI_DEBUG_PRINT((ACPI_DB_PARSE, + "*PARSE* pass %u parse\n", pass_number)); status = acpi_ps_parse_aml(walk_state); cleanup: @@ -181,6 +181,7 @@ acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node) * performs another complete parse of the AML. */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 1\n")); + status = acpi_ns_one_complete_parse(ACPI_IMODE_LOAD_PASS1, table_index, start_node); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c index 9bb2519..c05a83b 100644 --- a/drivers/acpi/acpica/nsprepkg.c +++ b/drivers/acpi/acpica/nsprepkg.c @@ -233,8 +233,9 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, /* First element is the (Integer) revision */ - status = acpi_ns_check_object_type(info, elements, - ACPI_RTYPE_INTEGER, 0); + status = + acpi_ns_check_object_type(info, elements, + ACPI_RTYPE_INTEGER, 0); if (ACPI_FAILURE(status)) { return (status); } @@ -252,8 +253,9 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, /* First element is the (Integer) count of subpackages to follow */ - status = acpi_ns_check_object_type(info, elements, - ACPI_RTYPE_INTEGER, 0); + status = + acpi_ns_check_object_type(info, elements, + ACPI_RTYPE_INTEGER, 0); if (ACPI_FAILURE(status)) { return (status); } diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c index 77d8103..6418863 100644 --- a/drivers/acpi/acpica/nsrepair.c +++ b/drivers/acpi/acpica/nsrepair.c @@ -116,6 +116,11 @@ static const struct acpi_simple_repair_info acpi_object_repair_info[] = { ACPI_NOT_PACKAGE_ELEMENT, acpi_ns_convert_to_resource}, + /* Object reference conversions */ + + {"_DEP", ACPI_RTYPE_STRING, ACPI_ALL_PACKAGE_ELEMENTS, + acpi_ns_convert_to_reference}, + /* Unicode conversions */ {"_MLS", ACPI_RTYPE_STRING, 1, @@ -172,8 +177,8 @@ acpi_ns_simple_repair(struct acpi_evaluate_info *info, "Missing expected return value")); } - status = - predefined->object_converter(return_object, &new_object); + status = predefined->object_converter(info->node, return_object, + &new_object); if (ACPI_FAILURE(status)) { /* A fatal error occurred during a conversion */ @@ -360,12 +365,15 @@ static const struct acpi_simple_repair_info *acpi_ns_match_simple_repair(struct /* Check if we can actually repair this name/type combination */ if ((return_btype & this_name->unexpected_btypes) && - (package_index == this_name->package_index)) { + (this_name->package_index == + ACPI_ALL_PACKAGE_ELEMENTS + || package_index == this_name->package_index)) { return (this_name); } return (NULL); } + this_name++; } @@ -521,6 +529,7 @@ acpi_ns_remove_null_elements(struct acpi_evaluate_info *info, *dest = *source; dest++; } + source++; } @@ -572,8 +581,8 @@ acpi_ns_wrap_with_package(struct acpi_evaluate_info *info, ACPI_FUNCTION_NAME(ns_wrap_with_package); /* - * Create the new outer package and populate it. The new package will - * have a single element, the lone sub-object. + * Create the new outer package and populate it. The new + * package will have a single element, the lone sub-object. */ pkg_obj_desc = acpi_ut_create_package_object(1); if (!pkg_obj_desc) { diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index 0515a70..f6dd2a8 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -225,6 +225,7 @@ static const struct acpi_repair_info *acpi_ns_match_complex_repair(struct if (ACPI_COMPARE_NAME(node->name.ascii, this_name->name)) { return (this_name); } + this_name++; } @@ -301,7 +302,8 @@ acpi_ns_repair_FDE(struct acpi_evaluate_info *info, /* We can only repair if we have exactly 5 BYTEs */ if (return_object->buffer.length != ACPI_FDE_BYTE_BUFFER_SIZE) { - ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + ACPI_WARN_PREDEFINED((AE_INFO, + info->full_pathname, info->node_flags, "Incorrect return buffer length %u, expected %u", return_object->buffer.length, @@ -321,8 +323,8 @@ acpi_ns_repair_FDE(struct acpi_evaluate_info *info, /* Expand each byte to a DWORD */ byte_buffer = return_object->buffer.pointer; - dword_buffer = - ACPI_CAST_PTR(u32, buffer_object->buffer.pointer); + dword_buffer = ACPI_CAST_PTR(u32, + buffer_object->buffer.pointer); for (i = 0; i < ACPI_FDE_FIELD_COUNT; i++) { *dword_buffer = (u32) *byte_buffer; @@ -461,7 +463,8 @@ acpi_ns_repair_CST(struct acpi_evaluate_info *info, removing = FALSE; if ((*outer_elements)->package.count == 0) { - ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + ACPI_WARN_PREDEFINED((AE_INFO, + info->full_pathname, info->node_flags, "SubPackage[%u] - removing entry due to zero count", i)); @@ -471,7 +474,8 @@ acpi_ns_repair_CST(struct acpi_evaluate_info *info, obj_desc = (*outer_elements)->package.elements[1]; /* Index1 = Type */ if ((u32)obj_desc->integer.value == 0) { - ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + ACPI_WARN_PREDEFINED((AE_INFO, + info->full_pathname, info->node_flags, "SubPackage[%u] - removing entry due to invalid Type(0)", i)); @@ -538,8 +542,8 @@ acpi_ns_repair_HID(struct acpi_evaluate_info *info, } if (return_object->string.length == 0) { - ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, - info->node_flags, + ACPI_WARN_PREDEFINED((AE_INFO, + info->full_pathname, info->node_flags, "Invalid zero-length _HID or _CID string")); /* Return AE_OK anyway, let driver handle it */ @@ -710,8 +714,9 @@ acpi_ns_repair_PSS(struct acpi_evaluate_info *info, elements = (*outer_elements)->package.elements; obj_desc = elements[1]; /* Index1 = power_dissipation */ - if ((u32) obj_desc->integer.value > previous_value) { - ACPI_WARN_PREDEFINED((AE_INFO, info->full_pathname, + if ((u32)obj_desc->integer.value > previous_value) { + ACPI_WARN_PREDEFINED((AE_INFO, + info->full_pathname, info->node_flags, "SubPackage[%u,%u] - suspicious power dissipation values", i - 1, i)); @@ -969,6 +974,7 @@ acpi_ns_remove_element(union acpi_operand_object *obj_desc, u32 index) *dest = *source; dest++; } + source++; } diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c index d739040..9cc3564d 100644 --- a/drivers/acpi/acpica/nssearch.c +++ b/drivers/acpi/acpica/nssearch.c @@ -105,7 +105,7 @@ acpi_ns_search_one_scope(u32 target_name, if (ACPI_LV_NAMES & acpi_dbg_level) { char *scope_name; - scope_name = acpi_ns_get_external_pathname(parent_node); + scope_name = acpi_ns_get_normalized_pathname(parent_node, TRUE); if (scope_name) { ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Searching %s (%p) For [%4.4s] (%s)\n", diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index de325ae..32f1d95 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -173,9 +173,10 @@ void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info) info->fully_qualified = FALSE; /* - * For the internal name, the required length is 4 bytes per segment, plus - * 1 each for root_prefix, multi_name_prefix_op, segment count, trailing null - * (which is not really needed, but no there's harm in putting it there) + * For the internal name, the required length is 4 bytes per segment, + * plus 1 each for root_prefix, multi_name_prefix_op, segment count, + * trailing null (which is not really needed, but no there's harm in + * putting it there) * * strlen() + 1 covers the first name_seg, which has no path separator */ @@ -699,6 +700,7 @@ acpi_ns_get_node(struct acpi_namespace_node *prefix_node, if (!prefix_node) { *return_node = acpi_gbl_root_node; } + return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c index 6ee1e52..429f0d2 100644 --- a/drivers/acpi/acpica/nsxfeval.c +++ b/drivers/acpi/acpica/nsxfeval.c @@ -750,8 +750,8 @@ acpi_ns_get_device_callback(acpi_handle obj_handle, /* We have a valid device, invoke the user function */ - status = info->user_function(obj_handle, nesting_level, info->context, - return_value); + status = info->user_function(obj_handle, nesting_level, + info->context, return_value); return (status); } diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index 4b4d2f4..669e0f1 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -159,7 +159,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer) { acpi_status status; struct acpi_namespace_node *node; - char *node_name; + const char *node_name; /* Parameter validation */ @@ -238,7 +238,6 @@ static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest, struct acpi_pnp_device_id *source, char *string_area) { - /* Create the destination PNP_DEVICE_ID */ dest->string = string_area; @@ -263,11 +262,18 @@ static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest, * namespace node and possibly by running several standard * control methods (Such as in the case of a device.) * - * For Device and Processor objects, run the Device _HID, _UID, _CID, _SUB, - * _CLS, _STA, _ADR, _sx_w, and _sx_d methods. + * For Device and Processor objects, run the Device _HID, _UID, _CID, _STA, + * _CLS, _ADR, _sx_w, and _sx_d methods. * * Note: Allocates the return buffer, must be freed by the caller. * + * Note: This interface is intended to be used during the initial device + * discovery namespace traversal. Therefore, no complex methods can be + * executed, especially those that access operation regions. Therefore, do + * not add any additional methods that could cause problems in this area. + * this was the fate of the _SUB method which was found to cause such + * problems and was removed (11/2015). + * ******************************************************************************/ acpi_status @@ -279,7 +285,6 @@ acpi_get_object_info(acpi_handle handle, struct acpi_pnp_device_id_list *cid_list = NULL; struct acpi_pnp_device_id *hid = NULL; struct acpi_pnp_device_id *uid = NULL; - struct acpi_pnp_device_id *sub = NULL; struct acpi_pnp_device_id *cls = NULL; char *next_id_string; acpi_object_type type; @@ -325,7 +330,7 @@ acpi_get_object_info(acpi_handle handle, if ((type == ACPI_TYPE_DEVICE) || (type == ACPI_TYPE_PROCESSOR)) { /* * Get extra info for ACPI Device/Processor objects only: - * Run the Device _HID, _UID, _SUB, _CID, and _CLS methods. + * Run the Device _HID, _UID, _CLS, and _CID methods. * * Note: none of these methods are required, so they may or may * not be present for this device. The Info->Valid bitfield is used @@ -348,14 +353,6 @@ acpi_get_object_info(acpi_handle handle, valid |= ACPI_VALID_UID; } - /* Execute the Device._SUB method */ - - status = acpi_ut_execute_SUB(node, &sub); - if (ACPI_SUCCESS(status)) { - info_size += sub->length; - valid |= ACPI_VALID_SUB; - } - /* Execute the Device._CID method */ status = acpi_ut_execute_CID(node, &cid_list); @@ -456,9 +453,8 @@ acpi_get_object_info(acpi_handle handle, } /* - * Copy the HID, UID, SUB, and CIDs to the return buffer. - * The variable-length strings are copied to the reserved area - * at the end of the buffer. + * Copy the HID, UID, and CIDs to the return buffer. The variable-length + * strings are copied to the reserved area at the end of the buffer. * * For HID and CID, check if the ID is a PCI Root Bridge. */ @@ -476,11 +472,6 @@ acpi_get_object_info(acpi_handle handle, uid, next_id_string); } - if (sub) { - next_id_string = acpi_ns_copy_device_id(&info->subsystem_id, - sub, next_id_string); - } - if (cid_list) { info->compatible_id_list.count = cid_list->count; info->compatible_id_list.list_size = cid_list->list_size; @@ -522,9 +513,6 @@ cleanup: if (uid) { ACPI_FREE(uid); } - if (sub) { - ACPI_FREE(sub); - } if (cid_list) { ACPI_FREE(cid_list); } @@ -591,6 +579,7 @@ acpi_status acpi_install_method(u8 *buffer) parser_state.aml += acpi_ps_get_opcode_size(opcode); parser_state.pkg_end = acpi_ps_get_next_package_end(&parser_state); path = acpi_ps_get_next_namestring(&parser_state); + method_flags = *parser_state.aml++; aml_start = parser_state.aml; aml_length = ACPI_PTR_DIFF(parser_state.pkg_end, aml_start); diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c index 7933835..6e1389b 100644 --- a/drivers/acpi/acpica/nsxfobj.c +++ b/drivers/acpi/acpica/nsxfobj.c @@ -74,10 +74,8 @@ acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type) return (AE_BAD_PARAMETER); } - /* - * Special case for the predefined Root Node - * (return type ANY) - */ + /* Special case for the predefined Root Node (return type ANY) */ + if (handle == ACPI_ROOT_OBJECT) { *ret_type = ACPI_TYPE_ANY; return (AE_OK); diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 29d8b7b..f3bcfa2 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -269,7 +269,8 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, */ if (ACPI_SUCCESS(status) && possible_method_call && (node->type == ACPI_TYPE_METHOD)) { - if (walk_state->opcode == AML_UNLOAD_OP) { + if (GET_CURRENT_ARG_TYPE(walk_state->arg_types) == + ARGP_SUPERNAME) { /* * acpi_ps_get_next_namestring has increased the AML pointer, * so we need to restore the saved AML pointer for method call. @@ -696,7 +697,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state * * PARAMETERS: walk_state - Current state * parser_state - Current parser state object - * arg_type - The argument type (AML_*_ARG) + * arg_type - The parser argument type (ARGP_*) * return_arg - Where the next arg is returned * * RETURN: Status, and an op object containing the next argument. @@ -733,6 +734,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, if (!arg) { return_ACPI_STATUS(AE_NO_MEMORY); } + acpi_ps_get_next_simple_arg(parser_state, arg_type, arg); break; @@ -798,6 +800,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, case ARGP_TARGET: case ARGP_SUPERNAME: case ARGP_SIMPLENAME: + case ARGP_NAME_OR_REF: subop = acpi_ps_peek_opcode(parser_state); if (subop == 0 || @@ -814,17 +817,17 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_NO_MEMORY); } - /* To support super_name arg of Unload */ + /* super_name allows argument to be a method call */ - if (walk_state->opcode == AML_UNLOAD_OP) { + if (arg_type == ARGP_SUPERNAME) { status = acpi_ps_get_next_namepath(walk_state, parser_state, arg, - 1); + ACPI_POSSIBLE_METHOD_CALL); /* - * If the super_name arg of Unload is a method call, - * we have restored the AML pointer, just free this Arg + * If the super_name argument is a method call, we have + * already restored the AML pointer, just free this Arg */ if (arg->common.aml_opcode == AML_INT_METHODCALL_OP) { @@ -835,7 +838,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, status = acpi_ps_get_next_namepath(walk_state, parser_state, arg, - 0); + ACPI_NOT_METHOD_CALL); } } else { /* Single complex argument, nothing returned */ diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c index 03ac8c9..a57f473 100644 --- a/drivers/acpi/acpica/psloop.c +++ b/drivers/acpi/acpica/psloop.c @@ -109,10 +109,10 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */ - status = - acpi_ps_get_next_namepath(walk_state, - &(walk_state->parser_state), op, - 1); + status = acpi_ps_get_next_namepath(walk_state, + &(walk_state->parser_state), + op, + ACPI_POSSIBLE_METHOD_CALL); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -124,8 +124,8 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, /* * Op is not a constant or string, append each argument to the Op */ - while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) - && !walk_state->arg_count) { + while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) && + !walk_state->arg_count) { walk_state->aml = walk_state->parser_state.aml; status = diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c index ed90fdd..40909dd 100644 --- a/drivers/acpi/acpica/psopcode.c +++ b/drivers/acpi/acpica/psopcode.c @@ -185,458 +185,458 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { /* Index Name Parser Args Interpreter Args ObjectType Class Type Flags */ /* 00 */ ACPI_OP("Zero", ARGP_ZERO_OP, ARGI_ZERO_OP, ACPI_TYPE_INTEGER, - AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT), + AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT), /* 01 */ ACPI_OP("One", ARGP_ONE_OP, ARGI_ONE_OP, ACPI_TYPE_INTEGER, - AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT), + AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT), /* 02 */ ACPI_OP("Alias", ARGP_ALIAS_OP, ARGI_ALIAS_OP, - ACPI_TYPE_LOCAL_ALIAS, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_SIMPLE, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + ACPI_TYPE_LOCAL_ALIAS, AML_CLASS_NAMED_OBJECT, + AML_TYPE_NAMED_SIMPLE, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED), /* 03 */ ACPI_OP("Name", ARGP_NAME_OP, ARGI_NAME_OP, ACPI_TYPE_ANY, - AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED), /* 04 */ ACPI_OP("ByteConst", ARGP_BYTE_OP, ARGI_BYTE_OP, - ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, - AML_TYPE_LITERAL, AML_CONSTANT), + ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, + AML_TYPE_LITERAL, AML_CONSTANT), /* 05 */ ACPI_OP("WordConst", ARGP_WORD_OP, ARGI_WORD_OP, - ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, - AML_TYPE_LITERAL, AML_CONSTANT), + ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, + AML_TYPE_LITERAL, AML_CONSTANT), /* 06 */ ACPI_OP("DwordConst", ARGP_DWORD_OP, ARGI_DWORD_OP, - ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, - AML_TYPE_LITERAL, AML_CONSTANT), + ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, + AML_TYPE_LITERAL, AML_CONSTANT), /* 07 */ ACPI_OP("String", ARGP_STRING_OP, ARGI_STRING_OP, - ACPI_TYPE_STRING, AML_CLASS_ARGUMENT, - AML_TYPE_LITERAL, AML_CONSTANT), + ACPI_TYPE_STRING, AML_CLASS_ARGUMENT, + AML_TYPE_LITERAL, AML_CONSTANT), /* 08 */ ACPI_OP("Scope", ARGP_SCOPE_OP, ARGI_SCOPE_OP, - ACPI_TYPE_LOCAL_SCOPE, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_NO_OBJ, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + ACPI_TYPE_LOCAL_SCOPE, AML_CLASS_NAMED_OBJECT, + AML_TYPE_NAMED_NO_OBJ, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED), /* 09 */ ACPI_OP("Buffer", ARGP_BUFFER_OP, ARGI_BUFFER_OP, - ACPI_TYPE_BUFFER, AML_CLASS_CREATE, - AML_TYPE_CREATE_OBJECT, - AML_HAS_ARGS | AML_DEFER | AML_CONSTANT), + ACPI_TYPE_BUFFER, AML_CLASS_CREATE, + AML_TYPE_CREATE_OBJECT, + AML_HAS_ARGS | AML_DEFER | AML_CONSTANT), /* 0A */ ACPI_OP("Package", ARGP_PACKAGE_OP, ARGI_PACKAGE_OP, - ACPI_TYPE_PACKAGE, AML_CLASS_CREATE, - AML_TYPE_CREATE_OBJECT, - AML_HAS_ARGS | AML_DEFER | AML_CONSTANT), + ACPI_TYPE_PACKAGE, AML_CLASS_CREATE, + AML_TYPE_CREATE_OBJECT, + AML_HAS_ARGS | AML_DEFER | AML_CONSTANT), /* 0B */ ACPI_OP("Method", ARGP_METHOD_OP, ARGI_METHOD_OP, - ACPI_TYPE_METHOD, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_COMPLEX, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED | AML_DEFER), + ACPI_TYPE_METHOD, AML_CLASS_NAMED_OBJECT, + AML_TYPE_NAMED_COMPLEX, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED | AML_DEFER), /* 0C */ ACPI_OP("Local0", ARGP_LOCAL0, ARGI_LOCAL0, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_LOCAL_VARIABLE, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_LOCAL_VARIABLE, 0), /* 0D */ ACPI_OP("Local1", ARGP_LOCAL1, ARGI_LOCAL1, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_LOCAL_VARIABLE, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_LOCAL_VARIABLE, 0), /* 0E */ ACPI_OP("Local2", ARGP_LOCAL2, ARGI_LOCAL2, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_LOCAL_VARIABLE, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_LOCAL_VARIABLE, 0), /* 0F */ ACPI_OP("Local3", ARGP_LOCAL3, ARGI_LOCAL3, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_LOCAL_VARIABLE, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_LOCAL_VARIABLE, 0), /* 10 */ ACPI_OP("Local4", ARGP_LOCAL4, ARGI_LOCAL4, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_LOCAL_VARIABLE, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_LOCAL_VARIABLE, 0), /* 11 */ ACPI_OP("Local5", ARGP_LOCAL5, ARGI_LOCAL5, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_LOCAL_VARIABLE, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_LOCAL_VARIABLE, 0), /* 12 */ ACPI_OP("Local6", ARGP_LOCAL6, ARGI_LOCAL6, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_LOCAL_VARIABLE, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_LOCAL_VARIABLE, 0), /* 13 */ ACPI_OP("Local7", ARGP_LOCAL7, ARGI_LOCAL7, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_LOCAL_VARIABLE, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_LOCAL_VARIABLE, 0), /* 14 */ ACPI_OP("Arg0", ARGP_ARG0, ARGI_ARG0, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_METHOD_ARGUMENT, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_METHOD_ARGUMENT, 0), /* 15 */ ACPI_OP("Arg1", ARGP_ARG1, ARGI_ARG1, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_METHOD_ARGUMENT, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_METHOD_ARGUMENT, 0), /* 16 */ ACPI_OP("Arg2", ARGP_ARG2, ARGI_ARG2, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_METHOD_ARGUMENT, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_METHOD_ARGUMENT, 0), /* 17 */ ACPI_OP("Arg3", ARGP_ARG3, ARGI_ARG3, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_METHOD_ARGUMENT, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_METHOD_ARGUMENT, 0), /* 18 */ ACPI_OP("Arg4", ARGP_ARG4, ARGI_ARG4, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_METHOD_ARGUMENT, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_METHOD_ARGUMENT, 0), /* 19 */ ACPI_OP("Arg5", ARGP_ARG5, ARGI_ARG5, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_METHOD_ARGUMENT, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_METHOD_ARGUMENT, 0), /* 1A */ ACPI_OP("Arg6", ARGP_ARG6, ARGI_ARG6, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_METHOD_ARGUMENT, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_METHOD_ARGUMENT, 0), /* 1B */ ACPI_OP("Store", ARGP_STORE_OP, ARGI_STORE_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R), /* 1C */ ACPI_OP("RefOf", ARGP_REF_OF_OP, ARGI_REF_OF_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, - AML_FLAGS_EXEC_1A_0T_1R), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, + AML_FLAGS_EXEC_1A_0T_1R), /* 1D */ ACPI_OP("Add", ARGP_ADD_OP, ARGI_ADD_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 1E */ ACPI_OP("Concatenate", ARGP_CONCAT_OP, ARGI_CONCAT_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), /* 1F */ ACPI_OP("Subtract", ARGP_SUBTRACT_OP, ARGI_SUBTRACT_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 20 */ ACPI_OP("Increment", ARGP_INCREMENT_OP, ARGI_INCREMENT_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_0T_1R, - AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_0T_1R, + AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), /* 21 */ ACPI_OP("Decrement", ARGP_DECREMENT_OP, ARGI_DECREMENT_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_0T_1R, - AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_0T_1R, + AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), /* 22 */ ACPI_OP("Multiply", ARGP_MULTIPLY_OP, ARGI_MULTIPLY_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 23 */ ACPI_OP("Divide", ARGP_DIVIDE_OP, ARGI_DIVIDE_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_2T_1R, - AML_FLAGS_EXEC_2A_2T_1R | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_2T_1R, + AML_FLAGS_EXEC_2A_2T_1R | AML_CONSTANT), /* 24 */ ACPI_OP("ShiftLeft", ARGP_SHIFT_LEFT_OP, ARGI_SHIFT_LEFT_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 25 */ ACPI_OP("ShiftRight", ARGP_SHIFT_RIGHT_OP, ARGI_SHIFT_RIGHT_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 26 */ ACPI_OP("And", ARGP_BIT_AND_OP, ARGI_BIT_AND_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 27 */ ACPI_OP("NAnd", ARGP_BIT_NAND_OP, ARGI_BIT_NAND_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 28 */ ACPI_OP("Or", ARGP_BIT_OR_OP, ARGI_BIT_OR_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 29 */ ACPI_OP("NOr", ARGP_BIT_NOR_OP, ARGI_BIT_NOR_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 2A */ ACPI_OP("XOr", ARGP_BIT_XOR_OP, ARGI_BIT_XOR_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT), /* 2B */ ACPI_OP("Not", ARGP_BIT_NOT_OP, ARGI_BIT_NOT_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), /* 2C */ ACPI_OP("FindSetLeftBit", ARGP_FIND_SET_LEFT_BIT_OP, - ARGI_FIND_SET_LEFT_BIT_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), + ARGI_FIND_SET_LEFT_BIT_OP, ACPI_TYPE_ANY, + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), /* 2D */ ACPI_OP("FindSetRightBit", ARGP_FIND_SET_RIGHT_BIT_OP, - ARGI_FIND_SET_RIGHT_BIT_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), + ARGI_FIND_SET_RIGHT_BIT_OP, ACPI_TYPE_ANY, + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), /* 2E */ ACPI_OP("DerefOf", ARGP_DEREF_OF_OP, ARGI_DEREF_OF_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R), /* 2F */ ACPI_OP("Notify", ARGP_NOTIFY_OP, ARGI_NOTIFY_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_0T_0R, AML_FLAGS_EXEC_2A_0T_0R), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_0T_0R, AML_FLAGS_EXEC_2A_0T_0R), /* 30 */ ACPI_OP("SizeOf", ARGP_SIZE_OF_OP, ARGI_SIZE_OF_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_0T_1R, - AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_0T_1R, + AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE), /* 31 */ ACPI_OP("Index", ARGP_INDEX_OP, ARGI_INDEX_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R), /* 32 */ ACPI_OP("Match", ARGP_MATCH_OP, ARGI_MATCH_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_6A_0T_1R, - AML_FLAGS_EXEC_6A_0T_1R | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_6A_0T_1R, + AML_FLAGS_EXEC_6A_0T_1R | AML_CONSTANT), /* 33 */ ACPI_OP("CreateDWordField", ARGP_CREATE_DWORD_FIELD_OP, - ARGI_CREATE_DWORD_FIELD_OP, - ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, - AML_TYPE_CREATE_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | - AML_DEFER | AML_CREATE), + ARGI_CREATE_DWORD_FIELD_OP, + ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, + AML_TYPE_CREATE_FIELD, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | + AML_DEFER | AML_CREATE), /* 34 */ ACPI_OP("CreateWordField", ARGP_CREATE_WORD_FIELD_OP, - ARGI_CREATE_WORD_FIELD_OP, - ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, - AML_TYPE_CREATE_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | - AML_DEFER | AML_CREATE), + ARGI_CREATE_WORD_FIELD_OP, + ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, + AML_TYPE_CREATE_FIELD, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | + AML_DEFER | AML_CREATE), /* 35 */ ACPI_OP("CreateByteField", ARGP_CREATE_BYTE_FIELD_OP, - ARGI_CREATE_BYTE_FIELD_OP, - ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, - AML_TYPE_CREATE_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | - AML_DEFER | AML_CREATE), + ARGI_CREATE_BYTE_FIELD_OP, + ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, + AML_TYPE_CREATE_FIELD, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | + AML_DEFER | AML_CREATE), /* 36 */ ACPI_OP("CreateBitField", ARGP_CREATE_BIT_FIELD_OP, - ARGI_CREATE_BIT_FIELD_OP, - ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, - AML_TYPE_CREATE_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | - AML_DEFER | AML_CREATE), -/* 37 */ ACPI_OP("ObjectType", ARGP_TYPE_OP, ARGI_TYPE_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_0T_1R, - AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE), + ARGI_CREATE_BIT_FIELD_OP, + ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, + AML_TYPE_CREATE_FIELD, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | + AML_DEFER | AML_CREATE), +/* 37 */ ACPI_OP("ObjectType", ARGP_OBJECT_TYPE_OP, ARGI_OBJECT_TYPE_OP, + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_0T_1R, + AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE), /* 38 */ ACPI_OP("LAnd", ARGP_LAND_OP, ARGI_LAND_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT), /* 39 */ ACPI_OP("LOr", ARGP_LOR_OP, ARGI_LOR_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, - AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, + AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT), /* 3A */ ACPI_OP("LNot", ARGP_LNOT_OP, ARGI_LNOT_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, - AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, + AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), /* 3B */ ACPI_OP("LEqual", ARGP_LEQUAL_OP, ARGI_LEQUAL_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_0T_1R, - AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_0T_1R, + AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT), /* 3C */ ACPI_OP("LGreater", ARGP_LGREATER_OP, ARGI_LGREATER_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_0T_1R, - AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_0T_1R, + AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT), /* 3D */ ACPI_OP("LLess", ARGP_LLESS_OP, ARGI_LLESS_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, - AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, + AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT), /* 3E */ ACPI_OP("If", ARGP_IF_OP, ARGI_IF_OP, ACPI_TYPE_ANY, - AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), + AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), /* 3F */ ACPI_OP("Else", ARGP_ELSE_OP, ARGI_ELSE_OP, ACPI_TYPE_ANY, - AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), + AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), /* 40 */ ACPI_OP("While", ARGP_WHILE_OP, ARGI_WHILE_OP, ACPI_TYPE_ANY, - AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), + AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS), /* 41 */ ACPI_OP("Noop", ARGP_NOOP_OP, ARGI_NOOP_OP, ACPI_TYPE_ANY, - AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), + AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), /* 42 */ ACPI_OP("Return", ARGP_RETURN_OP, ARGI_RETURN_OP, - ACPI_TYPE_ANY, AML_CLASS_CONTROL, - AML_TYPE_CONTROL, AML_HAS_ARGS), + ACPI_TYPE_ANY, AML_CLASS_CONTROL, + AML_TYPE_CONTROL, AML_HAS_ARGS), /* 43 */ ACPI_OP("Break", ARGP_BREAK_OP, ARGI_BREAK_OP, ACPI_TYPE_ANY, - AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), + AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), /* 44 */ ACPI_OP("BreakPoint", ARGP_BREAK_POINT_OP, ARGI_BREAK_POINT_OP, - ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), + ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), /* 45 */ ACPI_OP("Ones", ARGP_ONES_OP, ARGI_ONES_OP, ACPI_TYPE_INTEGER, - AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT), + AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT), /* Prefixed opcodes (Two-byte opcodes with a prefix op) */ /* 46 */ ACPI_OP("Mutex", ARGP_MUTEX_OP, ARGI_MUTEX_OP, ACPI_TYPE_MUTEX, - AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED), /* 47 */ ACPI_OP("Event", ARGP_EVENT_OP, ARGI_EVENT_OP, ACPI_TYPE_EVENT, - AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, - AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), + AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE, + AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), /* 48 */ ACPI_OP("CondRefOf", ARGP_COND_REF_OF_OP, ARGI_COND_REF_OF_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R), /* 49 */ ACPI_OP("CreateField", ARGP_CREATE_FIELD_OP, - ARGI_CREATE_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, - AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | - AML_DEFER | AML_FIELD | AML_CREATE), + ARGI_CREATE_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, + AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | + AML_DEFER | AML_FIELD | AML_CREATE), /* 4A */ ACPI_OP("Load", ARGP_LOAD_OP, ARGI_LOAD_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_0R, - AML_FLAGS_EXEC_1A_1T_0R), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_0R, + AML_FLAGS_EXEC_1A_1T_0R), /* 4B */ ACPI_OP("Stall", ARGP_STALL_OP, ARGI_STALL_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, - AML_FLAGS_EXEC_1A_0T_0R), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, + AML_FLAGS_EXEC_1A_0T_0R), /* 4C */ ACPI_OP("Sleep", ARGP_SLEEP_OP, ARGI_SLEEP_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, - AML_FLAGS_EXEC_1A_0T_0R), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, + AML_FLAGS_EXEC_1A_0T_0R), /* 4D */ ACPI_OP("Acquire", ARGP_ACQUIRE_OP, ARGI_ACQUIRE_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R), /* 4E */ ACPI_OP("Signal", ARGP_SIGNAL_OP, ARGI_SIGNAL_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), /* 4F */ ACPI_OP("Wait", ARGP_WAIT_OP, ARGI_WAIT_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, - AML_FLAGS_EXEC_2A_0T_1R), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, + AML_FLAGS_EXEC_2A_0T_1R), /* 50 */ ACPI_OP("Reset", ARGP_RESET_OP, ARGI_RESET_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, - AML_FLAGS_EXEC_1A_0T_0R), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R, + AML_FLAGS_EXEC_1A_0T_0R), /* 51 */ ACPI_OP("Release", ARGP_RELEASE_OP, ARGI_RELEASE_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), /* 52 */ ACPI_OP("FromBCD", ARGP_FROM_BCD_OP, ARGI_FROM_BCD_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), /* 53 */ ACPI_OP("ToBCD", ARGP_TO_BCD_OP, ARGI_TO_BCD_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), /* 54 */ ACPI_OP("Unload", ARGP_UNLOAD_OP, ARGI_UNLOAD_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R), /* 55 */ ACPI_OP("Revision", ARGP_REVISION_OP, ARGI_REVISION_OP, - ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, - AML_TYPE_CONSTANT, 0), + ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, + AML_TYPE_CONSTANT, 0), /* 56 */ ACPI_OP("Debug", ARGP_DEBUG_OP, ARGI_DEBUG_OP, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_CONSTANT, 0), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_CONSTANT, 0), /* 57 */ ACPI_OP("Fatal", ARGP_FATAL_OP, ARGI_FATAL_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_3A_0T_0R, - AML_FLAGS_EXEC_3A_0T_0R), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_3A_0T_0R, + AML_FLAGS_EXEC_3A_0T_0R), /* 58 */ ACPI_OP("OperationRegion", ARGP_REGION_OP, ARGI_REGION_OP, - ACPI_TYPE_REGION, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_COMPLEX, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED | AML_DEFER), + ACPI_TYPE_REGION, AML_CLASS_NAMED_OBJECT, + AML_TYPE_NAMED_COMPLEX, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED | AML_DEFER), /* 59 */ ACPI_OP("Field", ARGP_FIELD_OP, ARGI_FIELD_OP, ACPI_TYPE_ANY, - AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, + AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD), /* 5A */ ACPI_OP("Device", ARGP_DEVICE_OP, ARGI_DEVICE_OP, - ACPI_TYPE_DEVICE, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_NO_OBJ, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + ACPI_TYPE_DEVICE, AML_CLASS_NAMED_OBJECT, + AML_TYPE_NAMED_NO_OBJ, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED), /* 5B */ ACPI_OP("Processor", ARGP_PROCESSOR_OP, ARGI_PROCESSOR_OP, - ACPI_TYPE_PROCESSOR, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_SIMPLE, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + ACPI_TYPE_PROCESSOR, AML_CLASS_NAMED_OBJECT, + AML_TYPE_NAMED_SIMPLE, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED), /* 5C */ ACPI_OP("PowerResource", ARGP_POWER_RES_OP, ARGI_POWER_RES_OP, - ACPI_TYPE_POWER, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_SIMPLE, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + ACPI_TYPE_POWER, AML_CLASS_NAMED_OBJECT, + AML_TYPE_NAMED_SIMPLE, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED), /* 5D */ ACPI_OP("ThermalZone", ARGP_THERMAL_ZONE_OP, - ARGI_THERMAL_ZONE_OP, ACPI_TYPE_THERMAL, - AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED), + ARGI_THERMAL_ZONE_OP, ACPI_TYPE_THERMAL, + AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED), /* 5E */ ACPI_OP("IndexField", ARGP_INDEX_FIELD_OP, ARGI_INDEX_FIELD_OP, - ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, + AML_TYPE_NAMED_FIELD, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD), /* 5F */ ACPI_OP("BankField", ARGP_BANK_FIELD_OP, ARGI_BANK_FIELD_OP, - ACPI_TYPE_LOCAL_BANK_FIELD, + ACPI_TYPE_LOCAL_BANK_FIELD, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD | AML_DEFER), /* Internal opcodes that map to invalid AML opcodes */ /* 60 */ ACPI_OP("LNotEqual", ARGP_LNOTEQUAL_OP, ARGI_LNOTEQUAL_OP, - ACPI_TYPE_ANY, AML_CLASS_INTERNAL, - AML_TYPE_BOGUS, AML_HAS_ARGS | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_INTERNAL, + AML_TYPE_BOGUS, AML_HAS_ARGS | AML_CONSTANT), /* 61 */ ACPI_OP("LLessEqual", ARGP_LLESSEQUAL_OP, ARGI_LLESSEQUAL_OP, - ACPI_TYPE_ANY, AML_CLASS_INTERNAL, - AML_TYPE_BOGUS, AML_HAS_ARGS | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_INTERNAL, + AML_TYPE_BOGUS, AML_HAS_ARGS | AML_CONSTANT), /* 62 */ ACPI_OP("LGreaterEqual", ARGP_LGREATEREQUAL_OP, - ARGI_LGREATEREQUAL_OP, ACPI_TYPE_ANY, - AML_CLASS_INTERNAL, AML_TYPE_BOGUS, - AML_HAS_ARGS | AML_CONSTANT), + ARGI_LGREATEREQUAL_OP, ACPI_TYPE_ANY, + AML_CLASS_INTERNAL, AML_TYPE_BOGUS, + AML_HAS_ARGS | AML_CONSTANT), /* 63 */ ACPI_OP("-NamePath-", ARGP_NAMEPATH_OP, ARGI_NAMEPATH_OP, - ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, - AML_TYPE_LITERAL, AML_NSOBJECT | AML_NSNODE), + ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT, + AML_TYPE_LITERAL, AML_NSOBJECT | AML_NSNODE), /* 64 */ ACPI_OP("-MethodCall-", ARGP_METHODCALL_OP, ARGI_METHODCALL_OP, - ACPI_TYPE_METHOD, AML_CLASS_METHOD_CALL, - AML_TYPE_METHOD_CALL, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE), + ACPI_TYPE_METHOD, AML_CLASS_METHOD_CALL, + AML_TYPE_METHOD_CALL, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE), /* 65 */ ACPI_OP("-ByteList-", ARGP_BYTELIST_OP, ARGI_BYTELIST_OP, - ACPI_TYPE_ANY, AML_CLASS_ARGUMENT, - AML_TYPE_LITERAL, 0), + ACPI_TYPE_ANY, AML_CLASS_ARGUMENT, + AML_TYPE_LITERAL, 0), /* 66 */ ACPI_OP("-ReservedField-", ARGP_RESERVEDFIELD_OP, - ARGI_RESERVEDFIELD_OP, ACPI_TYPE_ANY, - AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0), + ARGI_RESERVEDFIELD_OP, ACPI_TYPE_ANY, + AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0), /* 67 */ ACPI_OP("-NamedField-", ARGP_NAMEDFIELD_OP, ARGI_NAMEDFIELD_OP, - ACPI_TYPE_ANY, AML_CLASS_INTERNAL, - AML_TYPE_BOGUS, - AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), + ACPI_TYPE_ANY, AML_CLASS_INTERNAL, + AML_TYPE_BOGUS, + AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED), /* 68 */ ACPI_OP("-AccessField-", ARGP_ACCESSFIELD_OP, - ARGI_ACCESSFIELD_OP, ACPI_TYPE_ANY, - AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0), + ARGI_ACCESSFIELD_OP, ACPI_TYPE_ANY, + AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0), /* 69 */ ACPI_OP("-StaticString", ARGP_STATICSTRING_OP, - ARGI_STATICSTRING_OP, ACPI_TYPE_ANY, - AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0), + ARGI_STATICSTRING_OP, ACPI_TYPE_ANY, + AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0), /* 6A */ ACPI_OP("-Return Value-", ARG_NONE, ARG_NONE, ACPI_TYPE_ANY, - AML_CLASS_RETURN_VALUE, AML_TYPE_RETURN, - AML_HAS_ARGS | AML_HAS_RETVAL), + AML_CLASS_RETURN_VALUE, AML_TYPE_RETURN, + AML_HAS_ARGS | AML_HAS_RETVAL), /* 6B */ ACPI_OP("-UNKNOWN_OP-", ARG_NONE, ARG_NONE, ACPI_TYPE_INVALID, - AML_CLASS_UNKNOWN, AML_TYPE_BOGUS, AML_HAS_ARGS), + AML_CLASS_UNKNOWN, AML_TYPE_BOGUS, AML_HAS_ARGS), /* 6C */ ACPI_OP("-ASCII_ONLY-", ARG_NONE, ARG_NONE, ACPI_TYPE_ANY, - AML_CLASS_ASCII, AML_TYPE_BOGUS, AML_HAS_ARGS), + AML_CLASS_ASCII, AML_TYPE_BOGUS, AML_HAS_ARGS), /* 6D */ ACPI_OP("-PREFIX_ONLY-", ARG_NONE, ARG_NONE, ACPI_TYPE_ANY, - AML_CLASS_PREFIX, AML_TYPE_BOGUS, AML_HAS_ARGS), + AML_CLASS_PREFIX, AML_TYPE_BOGUS, AML_HAS_ARGS), /* ACPI 2.0 opcodes */ /* 6E */ ACPI_OP("QwordConst", ARGP_QWORD_OP, ARGI_QWORD_OP, - ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, - AML_TYPE_LITERAL, AML_CONSTANT), + ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, + AML_TYPE_LITERAL, AML_CONSTANT), /* 6F */ ACPI_OP("Package", /* Var */ ARGP_VAR_PACKAGE_OP, ARGI_VAR_PACKAGE_OP, ACPI_TYPE_PACKAGE, AML_CLASS_CREATE, AML_TYPE_CREATE_OBJECT, AML_HAS_ARGS | AML_DEFER), /* 70 */ ACPI_OP("ConcatenateResTemplate", ARGP_CONCAT_RES_OP, - ARGI_CONCAT_RES_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), + ARGI_CONCAT_RES_OP, ACPI_TYPE_ANY, + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), /* 71 */ ACPI_OP("Mod", ARGP_MOD_OP, ARGI_MOD_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), /* 72 */ ACPI_OP("CreateQWordField", ARGP_CREATE_QWORD_FIELD_OP, - ARGI_CREATE_QWORD_FIELD_OP, - ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, - AML_TYPE_CREATE_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | - AML_DEFER | AML_CREATE), + ARGI_CREATE_QWORD_FIELD_OP, + ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, + AML_TYPE_CREATE_FIELD, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | + AML_DEFER | AML_CREATE), /* 73 */ ACPI_OP("ToBuffer", ARGP_TO_BUFFER_OP, ARGI_TO_BUFFER_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), /* 74 */ ACPI_OP("ToDecimalString", ARGP_TO_DEC_STR_OP, - ARGI_TO_DEC_STR_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), + ARGI_TO_DEC_STR_OP, ACPI_TYPE_ANY, + AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), /* 75 */ ACPI_OP("ToHexString", ARGP_TO_HEX_STR_OP, ARGI_TO_HEX_STR_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), /* 76 */ ACPI_OP("ToInteger", ARGP_TO_INTEGER_OP, ARGI_TO_INTEGER_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_1T_1R, - AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_1T_1R, + AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT), /* 77 */ ACPI_OP("ToString", ARGP_TO_STRING_OP, ARGI_TO_STRING_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_2A_1T_1R, - AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_2A_1T_1R, + AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), /* 78 */ ACPI_OP("CopyObject", ARGP_COPY_OP, ARGI_COPY_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R), /* 79 */ ACPI_OP("Mid", ARGP_MID_OP, ARGI_MID_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_3A_1T_1R, - AML_FLAGS_EXEC_3A_1T_1R | AML_CONSTANT), + AML_CLASS_EXECUTE, AML_TYPE_EXEC_3A_1T_1R, + AML_FLAGS_EXEC_3A_1T_1R | AML_CONSTANT), /* 7A */ ACPI_OP("Continue", ARGP_CONTINUE_OP, ARGI_CONTINUE_OP, - ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), + ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0), /* 7B */ ACPI_OP("LoadTable", ARGP_LOAD_TABLE_OP, ARGI_LOAD_TABLE_OP, - ACPI_TYPE_ANY, AML_CLASS_EXECUTE, - AML_TYPE_EXEC_6A_0T_1R, AML_FLAGS_EXEC_6A_0T_1R), + ACPI_TYPE_ANY, AML_CLASS_EXECUTE, + AML_TYPE_EXEC_6A_0T_1R, AML_FLAGS_EXEC_6A_0T_1R), /* 7C */ ACPI_OP("DataTableRegion", ARGP_DATA_REGION_OP, - ARGI_DATA_REGION_OP, ACPI_TYPE_REGION, - AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | - AML_NSNODE | AML_NAMED | AML_DEFER), + ARGI_DATA_REGION_OP, ACPI_TYPE_REGION, + AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE | AML_NAMED | AML_DEFER), /* 7D */ ACPI_OP("[EvalSubTree]", ARGP_SCOPE_OP, ARGI_SCOPE_OP, - ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_NO_OBJ, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, + AML_TYPE_NAMED_NO_OBJ, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE), /* ACPI 3.0 opcodes */ /* 7E */ ACPI_OP("Timer", ARGP_TIMER_OP, ARGI_TIMER_OP, ACPI_TYPE_ANY, - AML_CLASS_EXECUTE, AML_TYPE_EXEC_0A_0T_1R, + AML_CLASS_EXECUTE, AML_TYPE_EXEC_0A_0T_1R, AML_FLAGS_EXEC_0A_0T_1R), /* ACPI 5.0 opcodes */ diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c index 98001d7..b729d9b 100644 --- a/drivers/acpi/acpica/psparse.c +++ b/drivers/acpi/acpica/psparse.c @@ -526,8 +526,8 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) } /* - * If the transfer to the new method method call worked, a new walk - * state was created -- get it + * If the transfer to the new method method call worked + *, a new walk state was created -- get it */ walk_state = acpi_ds_get_current_walk_state(thread); continue; @@ -544,8 +544,8 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) /* Check for possible multi-thread reentrancy problem */ if ((status == AE_ALREADY_EXISTS) && - (!(walk_state->method_desc->method. - info_flags & ACPI_METHOD_SERIALIZED))) { + (!(walk_state->method_desc->method.info_flags & + ACPI_METHOD_SERIALIZED))) { /* * Method is not serialized and tried to create an object * twice. The probable cause is that the method cannot diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c index 71d2877..6cb02a2 100644 --- a/drivers/acpi/acpica/psutils.c +++ b/drivers/acpi/acpica/psutils.c @@ -175,8 +175,8 @@ void acpi_ps_free_op(union acpi_parse_object *op) ACPI_FUNCTION_NAME(ps_free_op); if (op->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { - ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Free retval op: %p\n", - op)); + ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, + "Free retval op: %p\n", op)); } if (op->common.flags & ACPI_PARSEOP_GENERIC) { diff --git a/drivers/acpi/acpica/pswalk.c b/drivers/acpi/acpica/pswalk.c index ba5f691..f620d43 100644 --- a/drivers/acpi/acpica/pswalk.c +++ b/drivers/acpi/acpica/pswalk.c @@ -99,6 +99,7 @@ void acpi_ps_delete_parse_tree(union acpi_parse_object *subtree_root) if (op == subtree_root) { return_VOID; } + if (next) { op = next; } else { diff --git a/drivers/acpi/acpica/rsaddr.c b/drivers/acpi/acpica/rsaddr.c index 66d406e..bdb7e73 100644 --- a/drivers/acpi/acpica/rsaddr.c +++ b/drivers/acpi/acpica/rsaddr.c @@ -312,8 +312,8 @@ acpi_rs_get_address_common(struct acpi_resource *resource, /* Validate the Resource Type */ - if ((aml->address.resource_type > 2) - && (aml->address.resource_type < 0xC0)) { + if ((aml->address.resource_type > 2) && + (aml->address.resource_type < 0xC0)) { return (FALSE); } diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index cb739a6..88fce58 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -143,16 +143,17 @@ acpi_rs_stream_option_length(u32 resource_length, ACPI_FUNCTION_ENTRY(); /* - * The resource_source_index and resource_source are optional elements of some - * Large-type resource descriptors. + * The resource_source_index and resource_source are optional elements of + * some Large-type resource descriptors. */ /* - * If the length of the actual resource descriptor is greater than the ACPI - * spec-defined minimum length, it means that a resource_source_index exists - * and is followed by a (required) null terminated string. The string length - * (including the null terminator) is the resource length minus the minimum - * length, minus one byte for the resource_source_index itself. + * If the length of the actual resource descriptor is greater than the + * ACPI spec-defined minimum length, it means that a resource_source_index + * exists and is followed by a (required) null terminated string. The + * string length (including the null terminator) is the resource length + * minus the minimum length, minus one byte for the resource_source_index + * itself. */ if (resource_length > minimum_aml_resource_length) { @@ -277,11 +278,11 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * 16-Bit Address Resource: * Add the size of the optional resource_source info */ - total_size = (acpi_rs_length) - (total_size + - acpi_rs_struct_option_length(&resource->data. - address16. - resource_source)); + total_size = (acpi_rs_length) (total_size + + acpi_rs_struct_option_length + (&resource->data. + address16. + resource_source)); break; case ACPI_RESOURCE_TYPE_ADDRESS32: @@ -289,11 +290,11 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * 32-Bit Address Resource: * Add the size of the optional resource_source info */ - total_size = (acpi_rs_length) - (total_size + - acpi_rs_struct_option_length(&resource->data. - address32. - resource_source)); + total_size = (acpi_rs_length) (total_size + + acpi_rs_struct_option_length + (&resource->data. + address32. + resource_source)); break; case ACPI_RESOURCE_TYPE_ADDRESS64: @@ -301,11 +302,11 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * 64-Bit Address Resource: * Add the size of the optional resource_source info */ - total_size = (acpi_rs_length) - (total_size + - acpi_rs_struct_option_length(&resource->data. - address64. - resource_source)); + total_size = (acpi_rs_length) (total_size + + acpi_rs_struct_option_length + (&resource->data. + address64. + resource_source)); break; case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: @@ -314,26 +315,28 @@ acpi_rs_get_aml_length(struct acpi_resource *resource, * Add the size of each additional optional interrupt beyond the * required 1 (4 bytes for each u32 interrupt number) */ - total_size = (acpi_rs_length) - (total_size + - ((resource->data.extended_irq.interrupt_count - - 1) * 4) + - /* Add the size of the optional resource_source info */ - acpi_rs_struct_option_length(&resource->data. - extended_irq. - resource_source)); + total_size = (acpi_rs_length) (total_size + + ((resource->data. + extended_irq. + interrupt_count - + 1) * 4) + + /* Add the size of the optional resource_source info */ + acpi_rs_struct_option_length + (&resource->data. + extended_irq. + resource_source)); break; case ACPI_RESOURCE_TYPE_GPIO: - total_size = - (acpi_rs_length) (total_size + - (resource->data.gpio. - pin_table_length * 2) + - resource->data.gpio. - resource_source.string_length + - resource->data.gpio. - vendor_length); + total_size = (acpi_rs_length) (total_size + + (resource->data.gpio. + pin_table_length * 2) + + resource->data.gpio. + resource_source. + string_length + + resource->data.gpio. + vendor_length); break; @@ -566,8 +569,8 @@ acpi_rs_get_list_length(u8 * aml_buffer, acpi_gbl_resource_struct_sizes[resource_index] + extra_struct_bytes; } - buffer_size = (u32)ACPI_ROUND_UP_TO_NATIVE_WORD(buffer_size); + buffer_size = (u32)ACPI_ROUND_UP_TO_NATIVE_WORD(buffer_size); *size_needed += buffer_size; ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES, diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c index a534442..603e544 100644 --- a/drivers/acpi/acpica/rscreate.c +++ b/drivers/acpi/acpica/rscreate.c @@ -81,8 +81,9 @@ acpi_buffer_to_resource(u8 *aml_buffer, /* Get the required length for the converted resource */ - status = acpi_rs_get_list_length(aml_buffer, aml_buffer_length, - &list_size_needed); + status = + acpi_rs_get_list_length(aml_buffer, aml_buffer_length, + &list_size_needed); if (status == AE_AML_NO_RESOURCE_END_TAG) { status = AE_OK; } @@ -232,8 +233,9 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, /* Get the required buffer length */ - status = acpi_rs_get_pci_routing_table_length(package_object, - &buffer_size_needed); + status = + acpi_rs_get_pci_routing_table_length(package_object, + &buffer_size_needed); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -270,9 +272,9 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer); /* - * Fill in the Length field with the information we have at this point. - * The minus four is to subtract the size of the u8 Source[4] member - * because it is added below. + * Fill in the Length field with the information we have at this + * point. The minus four is to subtract the size of the u8 + * Source[4] member because it is added below. */ user_prt->length = (sizeof(struct acpi_pci_routing_table) - 4); @@ -345,11 +347,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, (u8 *) output_buffer->pointer); path_buffer.pointer = user_prt->source; - status = - acpi_ns_handle_to_pathname((acpi_handle) - node, - &path_buffer, - FALSE); + status = acpi_ns_handle_to_pathname((acpi_handle) node, &path_buffer, FALSE); /* +1 to include null terminator */ @@ -371,8 +369,8 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, case ACPI_TYPE_INTEGER: /* - * If this is a number, then the Source Name is NULL, since the - * entire buffer was zeroed out, we can leave this alone. + * If this is a number, then the Source Name is NULL, since + * the entire buffer was zeroed out, we can leave this alone. * * Add to the Length field the length of the u32 NULL */ @@ -451,9 +449,9 @@ acpi_rs_create_aml_resources(struct acpi_buffer *resource_list, /* Get the buffer size needed for the AML byte stream */ - status = acpi_rs_get_aml_length(resource_list->pointer, - resource_list->length, - &aml_size_needed); + status = + acpi_rs_get_aml_length(resource_list->pointer, + resource_list->length, &aml_size_needed); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n", (u32)aml_size_needed, acpi_format_exception(status))); diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c index 2a09288..05cc560 100644 --- a/drivers/acpi/acpica/rsdump.c +++ b/drivers/acpi/acpica/rsdump.c @@ -483,6 +483,7 @@ static void acpi_rs_dump_address_common(union acpi_resource_data *resource) static void acpi_rs_out_string(char *title, char *value) { + acpi_os_printf("%27s : %s", title, value); if (!*value) { acpi_os_printf("[NULL NAMESTRING]"); @@ -497,21 +498,25 @@ static void acpi_rs_out_integer8(char *title, u8 value) static void acpi_rs_out_integer16(char *title, u16 value) { + acpi_os_printf("%27s : %4.4X\n", title, value); } static void acpi_rs_out_integer32(char *title, u32 value) { + acpi_os_printf("%27s : %8.8X\n", title, value); } static void acpi_rs_out_integer64(char *title, u64 value) { + acpi_os_printf("%27s : %8.8X%8.8X\n", title, ACPI_FORMAT_UINT64(value)); } static void acpi_rs_out_title(char *title) { + acpi_os_printf("%27s : ", title); } @@ -544,6 +549,7 @@ static void acpi_rs_dump_short_byte_list(u8 length, u8 * data) for (i = 0; i < length; i++) { acpi_os_printf("%X ", data[i]); } + acpi_os_printf("\n"); } diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c index 50d5be2..286ccb461 100644 --- a/drivers/acpi/acpica/rslist.c +++ b/drivers/acpi/acpica/rslist.c @@ -89,6 +89,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml, /* Get the appropriate conversion info table */ aml_resource = ACPI_CAST_PTR(union aml_resource, aml); + if (acpi_ut_get_resource_type(aml) == ACPI_RESOURCE_NAME_SERIAL_BUS) { if (aml_resource->common_serial_bus.type > AML_RESOURCE_MAX_SERIALBUSTYPE) { @@ -225,10 +226,10 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource, /* Perform final sanity check on the new AML resource descriptor */ - status = acpi_ut_validate_resource(NULL, - ACPI_CAST_PTR(union - aml_resource, - aml), NULL); + status = + acpi_ut_validate_resource(NULL, + ACPI_CAST_PTR(union aml_resource, + aml), NULL); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c index ac37852..b112c7b 100644 --- a/drivers/acpi/acpica/rsmisc.c +++ b/drivers/acpi/acpica/rsmisc.c @@ -189,8 +189,8 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, item_count = ACPI_GET8(source); ACPI_SET8(destination, item_count); - resource->length = resource->length + - (info->value * item_count); + resource->length = + resource->length + (info->value * item_count); break; case ACPI_RSC_COUNT_GPIO_RES: @@ -445,8 +445,8 @@ exit: /* Round the resource struct length up to the next boundary (32 or 64) */ - resource->length = - (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length); + resource->length = (u32) + ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length); } return_ACPI_STATUS(AE_OK); } @@ -550,9 +550,8 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, item_count = ACPI_GET8(source); ACPI_SET8(destination, item_count); - aml_length = - (u16) (aml_length + - (info->value * (item_count - 1))); + aml_length = (u16) + (aml_length + (info->value * (item_count - 1))); break; case ACPI_RSC_COUNT16: @@ -723,11 +722,10 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, /* * 16-bit encoded bitmask (IRQ macro) */ - temp16 = acpi_rs_encode_bitmask(source, - *ACPI_ADD_PTR(u8, - resource, - info-> - value)); + temp16 = + acpi_rs_encode_bitmask(source, + *ACPI_ADD_PTR(u8, resource, + info->value)); ACPI_MOVE_16_TO_16(destination, &temp16); break; diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c index 9486992..33e558c 100644 --- a/drivers/acpi/acpica/rsutils.c +++ b/drivers/acpi/acpica/rsutils.c @@ -221,14 +221,13 @@ acpi_rs_set_resource_length(acpi_rsdesc_size total_length, ACPI_MOVE_16_TO_16(&aml->large_header.resource_length, &resource_length); } else { - /* Small descriptor -- bits 2:0 of byte 0 contain the length */ - + /* + * Small descriptor -- bits 2:0 of byte 0 contain the length + * Clear any existing length, preserving descriptor type bits + */ aml->small_header.descriptor_type = (u8) - - /* Clear any existing length, preserving descriptor type bits */ - ((aml->small_header. - descriptor_type & ~ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK) - + ((aml->small_header.descriptor_type & + ~ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK) | resource_length); } } @@ -333,8 +332,8 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length, aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length); /* - * resource_source is present if the length of the descriptor is longer than - * the minimum length. + * resource_source is present if the length of the descriptor is longer + * than the minimum length. * * Note: Some resource descriptors will have an additional null, so * we add 1 to the minimum length. @@ -366,6 +365,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length, total_length = (u32)strlen(ACPI_CAST_PTR(char, &aml_resource_source[1])) + 1; + total_length = (u32)ACPI_ROUND_UP_TO_NATIVE_WORD(total_length); memset(resource_source->string_ptr, 0, total_length); @@ -438,8 +438,8 @@ acpi_rs_set_resource_source(union aml_resource * aml, * Add the length of the string (+ 1 for null terminator) to the * final descriptor length */ - descriptor_length += - ((acpi_rsdesc_size) resource_source->string_length + 1); + descriptor_length += ((acpi_rsdesc_size) + resource_source->string_length + 1); } /* Return the new total length of the AML descriptor */ @@ -478,8 +478,9 @@ acpi_rs_get_prt_method_data(struct acpi_namespace_node * node, /* Execute the method, no parameters */ - status = acpi_ut_evaluate_object(node, METHOD_NAME__PRT, - ACPI_BTYPE_PACKAGE, &obj_desc); + status = + acpi_ut_evaluate_object(node, METHOD_NAME__PRT, ACPI_BTYPE_PACKAGE, + &obj_desc); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -527,8 +528,9 @@ acpi_rs_get_crs_method_data(struct acpi_namespace_node *node, /* Execute the method, no parameters */ - status = acpi_ut_evaluate_object(node, METHOD_NAME__CRS, - ACPI_BTYPE_BUFFER, &obj_desc); + status = + acpi_ut_evaluate_object(node, METHOD_NAME__CRS, ACPI_BTYPE_BUFFER, + &obj_desc); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -577,8 +579,9 @@ acpi_rs_get_prs_method_data(struct acpi_namespace_node *node, /* Execute the method, no parameters */ - status = acpi_ut_evaluate_object(node, METHOD_NAME__PRS, - ACPI_BTYPE_BUFFER, &obj_desc); + status = + acpi_ut_evaluate_object(node, METHOD_NAME__PRS, ACPI_BTYPE_BUFFER, + &obj_desc); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -627,8 +630,9 @@ acpi_rs_get_aei_method_data(struct acpi_namespace_node *node, /* Execute the method, no parameters */ - status = acpi_ut_evaluate_object(node, METHOD_NAME__AEI, - ACPI_BTYPE_BUFFER, &obj_desc); + status = + acpi_ut_evaluate_object(node, METHOD_NAME__AEI, ACPI_BTYPE_BUFFER, + &obj_desc); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c index 1e8cd57..308bfd6 100644 --- a/drivers/acpi/acpica/rsxface.c +++ b/drivers/acpi/acpica/rsxface.c @@ -53,7 +53,7 @@ ACPI_MODULE_NAME("rsxface") /* Local macros for 16,32-bit to 64-bit conversion */ #define ACPI_COPY_FIELD(out, in, field) ((out)->field = (in)->field) -#define ACPI_COPY_ADDRESS(out, in) \ +#define ACPI_COPY_ADDRESS(out, in) \ ACPI_COPY_FIELD(out, in, resource_type); \ ACPI_COPY_FIELD(out, in, producer_consumer); \ ACPI_COPY_FIELD(out, in, decode); \ diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c index 5c9d5ab..4a81527 100644 --- a/drivers/acpi/acpica/tbdata.c +++ b/drivers/acpi/acpica/tbdata.c @@ -407,6 +407,7 @@ acpi_tb_verify_temp_table(struct acpi_table_desc * table_desc, char *signature) table_desc->signature.ascii : "????", ACPI_FORMAT_UINT64(table_desc-> address))); + goto invalidate_and_exit; } } diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 6319b42..bd87801 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -337,8 +337,8 @@ acpi_tb_install_standard_table(acpi_physical_address address, * need to be unregistered when they are unloaded, and slots in the * root table list should be reused when empty. */ - if (acpi_gbl_root_table_list.tables[i]. - flags & ACPI_TABLE_IS_LOADED) { + if (acpi_gbl_root_table_list.tables[i].flags & + ACPI_TABLE_IS_LOADED) { /* Table is still loaded, this is an error */ diff --git a/drivers/acpi/acpica/tbprint.c b/drivers/acpi/acpica/tbprint.c index 709d511..d0d1259 100644 --- a/drivers/acpi/acpica/tbprint.c +++ b/drivers/acpi/acpica/tbprint.c @@ -76,6 +76,7 @@ static void acpi_tb_fix_string(char *string, acpi_size length) if (!isprint((int)*string)) { *string = '?'; } + string++; length--; } diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index d8ddef3..7c1b5f8 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -121,6 +121,7 @@ void acpi_tb_check_dsdt_header(void) ACPI_BIOS_ERROR((AE_INFO, "The DSDT has been corrupted or replaced - " "old, new headers below")); + acpi_tb_print_table_header(0, &acpi_gbl_original_dsdt_header); acpi_tb_print_table_header(0, acpi_gbl_DSDT); @@ -379,7 +380,6 @@ next_table: } acpi_os_unmap_memory(table, length); - return_ACPI_STATUS(AE_OK); } @@ -389,7 +389,7 @@ next_table: * * PARAMETERS: signature - Sig string to be validated * - * RETURN: TRUE if signature is correct length and has valid characters + * RETURN: TRUE if signature is has 4 valid ACPI characters * * DESCRIPTION: Validate an ACPI table signature. * @@ -399,12 +399,6 @@ u8 acpi_is_valid_signature(char *signature) { u32 i; - /* Validate the signature length */ - - if (strlen(signature) != ACPI_NAME_SIZE) { - return (FALSE); - } - /* Validate each character in the signature */ for (i = 0; i < ACPI_NAME_SIZE; i++) { diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index 55ee14c..ca2f136 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -191,6 +191,7 @@ acpi_status acpi_tb_load_namespace(void) "(%4.4s:%8.8s) while loading table", table->signature.ascii, table->pointer->oem_table_id)); + tables_failed++; ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, @@ -206,7 +207,7 @@ acpi_status acpi_tb_load_namespace(void) if (!tables_failed) { ACPI_INFO((AE_INFO, - "%u ACPI AML tables successfully acquired and loaded", + "%u ACPI AML tables successfully acquired and loaded\n", tables_loaded)); } else { ACPI_ERROR((AE_INFO, diff --git a/drivers/acpi/acpica/utaddress.c b/drivers/acpi/acpica/utaddress.c index 911ea8e..38a29e2 100644 --- a/drivers/acpi/acpica/utaddress.c +++ b/drivers/acpi/acpica/utaddress.c @@ -239,8 +239,9 @@ acpi_ut_check_address_range(acpi_adr_space_type space_id, overlap_count++; if (warn) { /* Optional warning message */ pathname = - acpi_ns_get_external_pathname(range_info-> - region_node); + acpi_ns_get_normalized_pathname(range_info-> + region_node, + TRUE); ACPI_WARNING((AE_INFO, "%s range 0x%8.8X%8.8X-0x%8.8X%8.8X conflicts with OpRegion 0x%8.8X%8.8X-0x%8.8X%8.8X (%s)", diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c index 257221d..ade8acf 100644 --- a/drivers/acpi/acpica/utcopy.c +++ b/drivers/acpi/acpica/utcopy.c @@ -257,9 +257,9 @@ acpi_ut_copy_ielement_to_eelement(u8 object_type, ACPI_FUNCTION_ENTRY(); this_index = state->pkg.index; - target_object = (union acpi_object *) - &((union acpi_object *)(state->pkg.dest_object))->package. - elements[this_index]; + target_object = (union acpi_object *)&((union acpi_object *) + (state->pkg.dest_object))-> + package.elements[this_index]; switch (object_type) { case ACPI_COPY_TYPE_SIMPLE: @@ -348,15 +348,15 @@ acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object, * Free space begins right after the first package */ info.length = ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); - info.free_space = - buffer + ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); + info.free_space = buffer + + ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)); info.object_space = 0; info.num_packages = 1; external_object->type = internal_object->common.type; external_object->package.count = internal_object->package.count; - external_object->package.elements = ACPI_CAST_PTR(union acpi_object, - info.free_space); + external_object->package.elements = + ACPI_CAST_PTR(union acpi_object, info.free_space); /* * Leave room for an array of ACPI_OBJECTS in the buffer @@ -593,8 +593,8 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object, package_elements = package_object->package.elements; /* - * Recursive implementation. Probably ok, since nested external packages - * as parameters should be very rare. + * Recursive implementation. Probably ok, since nested external + * packages as parameters should be very rare. */ for (i = 0; i < external_object->package.count; i++) { status = @@ -649,9 +649,8 @@ acpi_ut_copy_eobject_to_iobject(union acpi_object *external_object, /* * Build a simple object (no nested objects) */ - status = - acpi_ut_copy_esimple_to_isimple(external_object, - internal_object); + status = acpi_ut_copy_esimple_to_isimple(external_object, + internal_object); } return_ACPI_STATUS(status); diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c index ecaaaff..3533135 100644 --- a/drivers/acpi/acpica/utdecode.c +++ b/drivers/acpi/acpica/utdecode.c @@ -114,7 +114,7 @@ const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { "PCC" /* 0x0A */ }; -char *acpi_ut_get_region_name(u8 space_id) +const char *acpi_ut_get_region_name(u8 space_id) { if (space_id >= ACPI_USER_REGION_BEGIN) { @@ -127,7 +127,7 @@ char *acpi_ut_get_region_name(u8 space_id) return ("InvalidSpaceId"); } - return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id])); + return (acpi_gbl_region_types[space_id]); } /******************************************************************************* @@ -152,14 +152,14 @@ static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = { "RealTimeClock", }; -char *acpi_ut_get_event_name(u32 event_id) +const char *acpi_ut_get_event_name(u32 event_id) { if (event_id > ACPI_EVENT_MAX) { return ("InvalidEventID"); } - return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id])); + return (acpi_gbl_event_types[event_id]); } /******************************************************************************* @@ -180,7 +180,8 @@ char *acpi_ut_get_event_name(u32 event_id) * * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; * when stored in a table it really means that we have thus far seen no - * evidence to indicate what type is actually going to be stored for this entry. + * evidence to indicate what type is actually going to be stored for this + & entry. */ static const char acpi_gbl_bad_type[] = "UNDEFINED"; @@ -220,17 +221,17 @@ static const char *acpi_gbl_ns_type_names[] = { /* 30 */ "Invalid" }; -char *acpi_ut_get_type_name(acpi_object_type type) +const char *acpi_ut_get_type_name(acpi_object_type type) { if (type > ACPI_TYPE_INVALID) { - return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); + return (acpi_gbl_bad_type); } - return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type])); + return (acpi_gbl_ns_type_names[type]); } -char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) +const char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) { ACPI_FUNCTION_TRACE(ut_get_object_type_name); @@ -267,7 +268,7 @@ char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) * ******************************************************************************/ -char *acpi_ut_get_node_name(void *object) +const char *acpi_ut_get_node_name(void *object) { struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; @@ -333,7 +334,7 @@ static const char *acpi_gbl_desc_type_names[] = { /* 15 */ "Node" }; -char *acpi_ut_get_descriptor_name(void *object) +const char *acpi_ut_get_descriptor_name(void *object) { if (!object) { @@ -344,10 +345,7 @@ char *acpi_ut_get_descriptor_name(void *object) return ("Not a Descriptor"); } - return (ACPI_CAST_PTR(char, - acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE - (object)])); - + return (acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE(object)]); } /******************************************************************************* @@ -415,7 +413,7 @@ const char *acpi_ut_get_reference_name(union acpi_operand_object *object) /* Names for internal mutex objects, used for debug output */ -static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = { +static const char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = { "ACPI_MTX_Interpreter", "ACPI_MTX_Namespace", "ACPI_MTX_Tables", @@ -424,7 +422,7 @@ static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = { "ACPI_MTX_Memory", }; -char *acpi_ut_get_mutex_name(u32 mutex_id) +const char *acpi_ut_get_mutex_name(u32 mutex_id) { if (mutex_id > ACPI_MAX_MUTEX) { diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c index 1638312..1afd742 100644 --- a/drivers/acpi/acpica/utdelete.c +++ b/drivers/acpi/acpica/utdelete.c @@ -209,6 +209,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) acpi_ut_delete_object_desc(object->method.mutex); object->method.mutex = NULL; } + if (object->method.node) { object->method.node = NULL; } @@ -515,8 +516,8 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action) } /* - * All sub-objects must have their reference count incremented also. - * Different object types have different subobjects. + * All sub-objects must have their reference count incremented + * also. Different object types have different subobjects. */ switch (object->common.type) { case ACPI_TYPE_DEVICE: diff --git a/drivers/acpi/acpica/uterror.c b/drivers/acpi/acpica/uterror.c index 9ef80f2..f93bb90 100644 --- a/drivers/acpi/acpica/uterror.c +++ b/drivers/acpi/acpica/uterror.c @@ -217,8 +217,9 @@ acpi_ut_namespace_error(const char *module_name, } else { /* Convert path to external format */ - status = acpi_ns_externalize_name(ACPI_UINT32_MAX, - internal_name, NULL, &name); + status = + acpi_ns_externalize_name(ACPI_UINT32_MAX, internal_name, + NULL, &name); /* Print target name */ @@ -271,9 +272,8 @@ acpi_ut_method_error(const char *module_name, acpi_os_printf(ACPI_MSG_ERROR); if (path) { - status = - acpi_ns_get_node(prefix_node, path, ACPI_NS_NO_UPSEARCH, - &node); + status = acpi_ns_get_node(prefix_node, path, + ACPI_NS_NO_UPSEARCH, &node); if (ACPI_FAILURE(status)) { acpi_os_printf("[Could not get node by pathname]"); } diff --git a/drivers/acpi/acpica/utfileio.c b/drivers/acpi/acpica/utfileio.c deleted file mode 100644 index d435b7b..0000000 --- a/drivers/acpi/acpica/utfileio.c +++ /dev/null @@ -1,334 +0,0 @@ -/******************************************************************************* - * - * Module Name: utfileio - simple file I/O routines - * - ******************************************************************************/ - -/* - * Copyright (C) 2000 - 2015, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include "accommon.h" -#include "actables.h" -#include "acapps.h" -#include "errno.h" - -#ifdef ACPI_ASL_COMPILER -#include "aslcompiler.h" -#endif - -#define _COMPONENT ACPI_CA_DEBUGGER -ACPI_MODULE_NAME("utfileio") - -#ifdef ACPI_APPLICATION -/* Local prototypes */ -static acpi_status -acpi_ut_check_text_mode_corruption(u8 *table, - u32 table_length, u32 file_length); - -static acpi_status -acpi_ut_read_table(FILE * fp, - struct acpi_table_header **table, u32 *table_length); - -/******************************************************************************* - * - * FUNCTION: acpi_ut_check_text_mode_corruption - * - * PARAMETERS: table - Table buffer - * table_length - Length of table from the table header - * file_length - Length of the file that contains the table - * - * RETURN: Status - * - * DESCRIPTION: Check table for text mode file corruption where all linefeed - * characters (LF) have been replaced by carriage return linefeed - * pairs (CR/LF). - * - ******************************************************************************/ - -static acpi_status -acpi_ut_check_text_mode_corruption(u8 *table, u32 table_length, u32 file_length) -{ - u32 i; - u32 pairs = 0; - - if (table_length != file_length) { - ACPI_WARNING((AE_INFO, - "File length (0x%X) is not the same as the table length (0x%X)", - file_length, table_length)); - } - - /* Scan entire table to determine if each LF has been prefixed with a CR */ - - for (i = 1; i < file_length; i++) { - if (table[i] == 0x0A) { - if (table[i - 1] != 0x0D) { - - /* The LF does not have a preceding CR, table not corrupted */ - - return (AE_OK); - } else { - /* Found a CR/LF pair */ - - pairs++; - } - i++; - } - } - - if (!pairs) { - return (AE_OK); - } - - /* - * Entire table scanned, each CR is part of a CR/LF pair -- - * meaning that the table was treated as a text file somewhere. - * - * NOTE: We can't "fix" the table, because any existing CR/LF pairs in the - * original table are left untouched by the text conversion process -- - * meaning that we cannot simply replace CR/LF pairs with LFs. - */ - acpi_os_printf("Table has been corrupted by text mode conversion\n"); - acpi_os_printf("All LFs (%u) were changed to CR/LF pairs\n", pairs); - acpi_os_printf("Table cannot be repaired!\n"); - return (AE_BAD_VALUE); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_read_table - * - * PARAMETERS: fp - File that contains table - * table - Return value, buffer with table - * table_length - Return value, length of table - * - * RETURN: Status - * - * DESCRIPTION: Load the DSDT from the file pointer - * - ******************************************************************************/ - -static acpi_status -acpi_ut_read_table(FILE * fp, - struct acpi_table_header **table, u32 *table_length) -{ - struct acpi_table_header table_header; - u32 actual; - acpi_status status; - u32 file_size; - u8 standard_header = TRUE; - s32 count; - - /* Get the file size */ - - file_size = cm_get_file_size(fp); - if (file_size == ACPI_UINT32_MAX) { - return (AE_ERROR); - } - - if (file_size < 4) { - return (AE_BAD_HEADER); - } - - /* Read the signature */ - - fseek(fp, 0, SEEK_SET); - - count = fread(&table_header, 1, sizeof(struct acpi_table_header), fp); - if (count != sizeof(struct acpi_table_header)) { - acpi_os_printf("Could not read the table header\n"); - return (AE_BAD_HEADER); - } - - /* The RSDP table does not have standard ACPI header */ - - if (ACPI_VALIDATE_RSDP_SIG(table_header.signature)) { - *table_length = file_size; - standard_header = FALSE; - } else { - -#if 0 - /* Validate the table header/length */ - - status = acpi_tb_validate_table_header(&table_header); - if (ACPI_FAILURE(status)) { - acpi_os_printf("Table header is invalid!\n"); - return (status); - } -#endif - - /* File size must be at least as long as the Header-specified length */ - - if (table_header.length > file_size) { - acpi_os_printf - ("TableHeader length [0x%X] greater than the input file size [0x%X]\n", - table_header.length, file_size); - -#ifdef ACPI_ASL_COMPILER - acpi_os_printf("File is corrupt or is ASCII text -- " - "it must be a binary file\n"); -#endif - return (AE_BAD_HEADER); - } -#ifdef ACPI_OBSOLETE_CODE - /* We only support a limited number of table types */ - - if (!ACPI_COMPARE_NAME - ((char *)table_header.signature, ACPI_SIG_DSDT) - && !ACPI_COMPARE_NAME((char *)table_header.signature, - ACPI_SIG_PSDT) - && !ACPI_COMPARE_NAME((char *)table_header.signature, - ACPI_SIG_SSDT)) { - acpi_os_printf - ("Table signature [%4.4s] is invalid or not supported\n", - (char *)table_header.signature); - ACPI_DUMP_BUFFER(&table_header, - sizeof(struct acpi_table_header)); - return (AE_ERROR); - } -#endif - - *table_length = table_header.length; - } - - /* Allocate a buffer for the table */ - - *table = acpi_os_allocate((size_t) file_size); - if (!*table) { - acpi_os_printf - ("Could not allocate memory for ACPI table %4.4s (size=0x%X)\n", - table_header.signature, *table_length); - return (AE_NO_MEMORY); - } - - /* Get the rest of the table */ - - fseek(fp, 0, SEEK_SET); - actual = fread(*table, 1, (size_t) file_size, fp); - if (actual == file_size) { - if (standard_header) { - - /* Now validate the checksum */ - - status = acpi_tb_verify_checksum((void *)*table, - ACPI_CAST_PTR(struct - acpi_table_header, - *table)-> - length); - - if (status == AE_BAD_CHECKSUM) { - status = - acpi_ut_check_text_mode_corruption((u8 *) - *table, - file_size, - (*table)-> - length); - return (status); - } - } - return (AE_OK); - } - - if (actual > 0) { - acpi_os_printf("Warning - reading table, asked for %X got %X\n", - file_size, actual); - return (AE_OK); - } - - acpi_os_printf("Error - could not read the table file\n"); - acpi_os_free(*table); - *table = NULL; - *table_length = 0; - return (AE_ERROR); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_read_table_from_file - * - * PARAMETERS: filename - File where table is located - * table - Where a pointer to the table is returned - * - * RETURN: Status - * - * DESCRIPTION: Get an ACPI table from a file - * - ******************************************************************************/ - -acpi_status -acpi_ut_read_table_from_file(char *filename, struct acpi_table_header ** table) -{ - FILE *file; - u32 file_size; - u32 table_length; - acpi_status status = AE_ERROR; - - /* Open the file, get current size */ - - file = fopen(filename, "rb"); - if (!file) { - perror("Could not open input file"); - - if (errno == ENOENT) { - return (AE_NOT_EXIST); - } - - return (status); - } - - file_size = cm_get_file_size(file); - if (file_size == ACPI_UINT32_MAX) { - goto exit; - } - - /* Get the entire file */ - - fprintf(stderr, - "Reading ACPI table from file %12s - Length %.8u (0x%06X)\n", - filename, file_size, file_size); - - status = acpi_ut_read_table(file, table, &table_length); - if (ACPI_FAILURE(status)) { - acpi_os_printf("Could not get table from the file\n"); - } - -exit: - fclose(file); - return (status); -} - -#endif diff --git a/drivers/acpi/acpica/uthex.c b/drivers/acpi/acpica/uthex.c index fda8b3d..8ad086e 100644 --- a/drivers/acpi/acpica/uthex.c +++ b/drivers/acpi/acpica/uthex.c @@ -48,7 +48,7 @@ ACPI_MODULE_NAME("uthex") /* Hex to ASCII conversion table */ -static char acpi_gbl_hex_to_ascii[] = { +static const char acpi_gbl_hex_to_ascii[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c index 7956df1e..05ee76e 100644 --- a/drivers/acpi/acpica/utids.c +++ b/drivers/acpi/acpica/utids.c @@ -127,73 +127,6 @@ cleanup: /******************************************************************************* * - * FUNCTION: acpi_ut_execute_SUB - * - * PARAMETERS: device_node - Node for the device - * return_id - Where the _SUB is returned - * - * RETURN: Status - * - * DESCRIPTION: Executes the _SUB control method that returns the subsystem - * ID of the device. The _SUB value is always a string containing - * either a valid PNP or ACPI ID. - * - * NOTE: Internal function, no parameter validation - * - ******************************************************************************/ - -acpi_status -acpi_ut_execute_SUB(struct acpi_namespace_node *device_node, - struct acpi_pnp_device_id **return_id) -{ - union acpi_operand_object *obj_desc; - struct acpi_pnp_device_id *sub; - u32 length; - acpi_status status; - - ACPI_FUNCTION_TRACE(ut_execute_SUB); - - status = acpi_ut_evaluate_object(device_node, METHOD_NAME__SUB, - ACPI_BTYPE_STRING, &obj_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Get the size of the String to be returned, includes null terminator */ - - length = obj_desc->string.length + 1; - - /* Allocate a buffer for the SUB */ - - sub = - ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + - (acpi_size) length); - if (!sub) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* Area for the string starts after PNP_DEVICE_ID struct */ - - sub->string = - ACPI_ADD_PTR(char, sub, sizeof(struct acpi_pnp_device_id)); - - /* Simply copy existing string */ - - strcpy(sub->string, obj_desc->string.pointer); - sub->length = length; - *return_id = sub; - -cleanup: - - /* On exit, we must delete the return object */ - - acpi_ut_remove_reference(obj_desc); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * * FUNCTION: acpi_ut_execute_UID * * PARAMETERS: device_node - Node for the device diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c index ccd0745..fd82a12 100644 --- a/drivers/acpi/acpica/utinit.c +++ b/drivers/acpi/acpica/utinit.c @@ -206,7 +206,6 @@ acpi_status acpi_ut_init_globals(void) acpi_gbl_next_owner_id_offset = 0; acpi_gbl_debugger_configuration = DEBUGGER_THREADING; acpi_gbl_osi_mutex = NULL; - acpi_gbl_reg_methods_executed = FALSE; acpi_gbl_max_loop_iterations = 0xFFFF; /* Hardware oriented */ diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c index f9ff100..58b5d42 100644 --- a/drivers/acpi/acpica/utmath.c +++ b/drivers/acpi/acpica/utmath.c @@ -111,6 +111,7 @@ acpi_ut_short_divide(u64 dividend, */ ACPI_DIV_64_BY_32(0, dividend_ovl.part.hi, divisor, quotient.part.hi, remainder32); + ACPI_DIV_64_BY_32(remainder32, dividend_ovl.part.lo, divisor, quotient.part.lo, remainder32); @@ -179,6 +180,7 @@ acpi_ut_divide(u64 in_dividend, */ ACPI_DIV_64_BY_32(0, dividend.part.hi, divisor.part.lo, quotient.part.hi, partial1); + ACPI_DIV_64_BY_32(partial1, dividend.part.lo, divisor.part.lo, quotient.part.lo, remainder.part.lo); } @@ -206,12 +208,12 @@ acpi_ut_divide(u64 in_dividend, ACPI_DIV_64_BY_32(normalized_dividend.part.hi, normalized_dividend.part.lo, - normalized_divisor.part.lo, - quotient.part.lo, partial1); + normalized_divisor.part.lo, quotient.part.lo, + partial1); /* - * The quotient is always 32 bits, and simply requires adjustment. - * The 64-bit remainder must be generated. + * The quotient is always 32 bits, and simply requires + * adjustment. The 64-bit remainder must be generated. */ partial1 = quotient.part.lo * divisor.part.hi; partial2.full = (u64) quotient.part.lo * divisor.part.lo; diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index bd4443b..eab1cfe 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -264,8 +264,8 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object, */ if ((!this_source_obj) || (ACPI_GET_DESCRIPTOR_TYPE(this_source_obj) != - ACPI_DESC_TYPE_OPERAND) - || (this_source_obj->common.type != ACPI_TYPE_PACKAGE)) { + ACPI_DESC_TYPE_OPERAND) || + (this_source_obj->common.type != ACPI_TYPE_PACKAGE)) { status = walk_callback(ACPI_COPY_TYPE_SIMPLE, this_source_obj, state, context); @@ -318,9 +318,10 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object, * The callback above returned a new target package object. */ acpi_ut_push_generic_state(&state_list, state); - state = acpi_ut_create_pkg_state(this_source_obj, - state->pkg. - this_target_obj, 0); + state = + acpi_ut_create_pkg_state(this_source_obj, + state->pkg.this_target_obj, + 0); if (!state) { /* Free any stacked Update State objects */ diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c index ce406e3..038ff84 100644 --- a/drivers/acpi/acpica/utmutex.c +++ b/drivers/acpi/acpica/utmutex.c @@ -111,17 +111,6 @@ acpi_status acpi_ut_mutex_initialize(void) if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } -#ifdef ACPI_DEBUGGER - - /* Debugger Support */ - - status = acpi_os_create_mutex(&acpi_gbl_db_command_ready); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - status = acpi_os_create_mutex(&acpi_gbl_db_command_complete); -#endif return_ACPI_STATUS(status); } @@ -162,12 +151,6 @@ void acpi_ut_mutex_terminate(void) /* Delete the reader/writer lock */ acpi_ut_delete_rw_lock(&acpi_gbl_namespace_rw_lock); - -#ifdef ACPI_DEBUGGER - acpi_os_delete_mutex(acpi_gbl_db_command_ready); - acpi_os_delete_mutex(acpi_gbl_db_command_complete); -#endif - return_VOID; } @@ -290,8 +273,9 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) (u32)this_thread_id, acpi_ut_get_mutex_name(mutex_id))); - status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex, - ACPI_WAIT_FOREVER); + status = + acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex, + ACPI_WAIT_FOREVER); if (ACPI_SUCCESS(status)) { ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %u acquired Mutex [%s]\n", diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c index 1d5f6b1..9c3cadc 100644 --- a/drivers/acpi/acpica/utnonansi.c +++ b/drivers/acpi/acpica/utnonansi.c @@ -282,8 +282,8 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) /* Divide the digit into the correct position */ - (void)acpi_ut_short_divide((dividend - (u64)this_digit), - base, "ient, NULL); + (void)acpi_ut_short_divide((dividend - (u64)this_digit), base, + "ient, NULL); if (return_value > quotient) { if (to_integer_op) { diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c index 7d83efe..787eccf 100644 --- a/drivers/acpi/acpica/utobject.c +++ b/drivers/acpi/acpica/utobject.c @@ -112,9 +112,9 @@ union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char /* These types require a secondary object */ - second_object = acpi_ut_allocate_object_desc_dbg(module_name, - line_number, - component_id); + second_object = + acpi_ut_allocate_object_desc_dbg(module_name, line_number, + component_id); if (!second_object) { acpi_ut_delete_object_desc(object); return_PTR(NULL); @@ -253,7 +253,8 @@ union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size) buffer = ACPI_ALLOCATE_ZEROED(buffer_size); if (!buffer) { ACPI_ERROR((AE_INFO, "Could not allocate size %u", - (u32) buffer_size)); + (u32)buffer_size)); + acpi_ut_remove_reference(buffer_desc); return_PTR(NULL); } @@ -305,7 +306,8 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size) string = ACPI_ALLOCATE_ZEROED(string_size + 1); if (!string) { ACPI_ERROR((AE_INFO, "Could not allocate size %u", - (u32) string_size)); + (u32)string_size)); + acpi_ut_remove_reference(string_desc); return_PTR(NULL); } @@ -649,8 +651,9 @@ acpi_ut_get_package_object_size(union acpi_operand_object *internal_object, info.object_space = 0; info.num_packages = 1; - status = acpi_ut_walk_package_tree(internal_object, NULL, - acpi_ut_get_element_length, &info); + status = + acpi_ut_walk_package_tree(internal_object, NULL, + acpi_ut_get_element_length, &info); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -660,7 +663,8 @@ acpi_ut_get_package_object_size(union acpi_operand_object *internal_object, * just add the length of the package objects themselves. * Round up to the next machine word. */ - info.length += ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)) * + info.length += + ACPI_ROUND_UP_TO_NATIVE_WORD(sizeof(union acpi_object)) * (acpi_size) info.num_packages; /* Return the total package length */ @@ -692,8 +696,8 @@ acpi_ut_get_object_size(union acpi_operand_object *internal_object, ACPI_FUNCTION_ENTRY(); if ((ACPI_GET_DESCRIPTOR_TYPE(internal_object) == - ACPI_DESC_TYPE_OPERAND) - && (internal_object->common.type == ACPI_TYPE_PACKAGE)) { + ACPI_DESC_TYPE_OPERAND) && + (internal_object->common.type == ACPI_TYPE_PACKAGE)) { status = acpi_ut_get_package_object_size(internal_object, obj_length); diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c index 8f3d203a..0809d73 100644 --- a/drivers/acpi/acpica/utosi.c +++ b/drivers/acpi/acpica/utosi.c @@ -269,9 +269,10 @@ acpi_status acpi_ut_remove_interface(acpi_string interface_name) previous_interface = next_interface = acpi_gbl_supported_interfaces; while (next_interface) { if (!strcmp(interface_name, next_interface->name)) { - - /* Found: name is in either the static list or was added at runtime */ - + /* + * Found: name is in either the static list + * or was added at runtime + */ if (next_interface->flags & ACPI_OSI_DYNAMIC) { /* Interface was added dynamically, remove and free it */ @@ -288,8 +289,8 @@ acpi_status acpi_ut_remove_interface(acpi_string interface_name) ACPI_FREE(next_interface); } else { /* - * Interface is in static list. If marked invalid, then it - * does not actually exist. Else, mark it invalid. + * Interface is in static list. If marked invalid, then + * it does not actually exist. Else, mark it invalid. */ if (next_interface->flags & ACPI_OSI_INVALID) { return (AE_NOT_EXIST); diff --git a/drivers/acpi/acpica/utownerid.c b/drivers/acpi/acpica/utownerid.c index 2959217..ebb811c 100644 --- a/drivers/acpi/acpica/utownerid.c +++ b/drivers/acpi/acpica/utownerid.c @@ -73,8 +73,8 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) /* Guard against multiple allocations of ID to the same location */ if (*owner_id) { - ACPI_ERROR((AE_INFO, "Owner ID [0x%2.2X] already exists", - *owner_id)); + ACPI_ERROR((AE_INFO, + "Owner ID [0x%2.2X] already exists", *owner_id)); return_ACPI_STATUS(AE_ALREADY_EXISTS); } @@ -87,8 +87,8 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) /* * Find a free owner ID, cycle through all possible IDs on repeated - * allocations. (ACPI_NUM_OWNERID_MASKS + 1) because first index may have - * to be scanned twice. + * allocations. (ACPI_NUM_OWNERID_MASKS + 1) because first index + * may have to be scanned twice. */ for (i = 0, j = acpi_gbl_last_owner_id_index; i < (ACPI_NUM_OWNERID_MASKS + 1); i++, j++) { @@ -141,8 +141,8 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) * they are released when a table is unloaded or a method completes * execution. * - * If this error happens, there may be very deep nesting of invoked control - * methods, or there may be a bug where the IDs are not released. + * If this error happens, there may be very deep nesting of invoked + * control methods, or there may be a bug where the IDs are not released. */ status = AE_OWNER_ID_LIMIT; ACPI_ERROR((AE_INFO, diff --git a/drivers/acpi/acpica/utpredef.c b/drivers/acpi/acpica/utpredef.c index 97898ed..9f8e415 100644 --- a/drivers/acpi/acpica/utpredef.c +++ b/drivers/acpi/acpica/utpredef.c @@ -225,8 +225,10 @@ const union acpi_predefined_info *acpi_ut_match_resource_name(char *name) { const union acpi_predefined_info *this_name; - /* Quick check for a predefined name, first character must be underscore */ - + /* + * Quick check for a predefined name, first character must + * be underscore + */ if (name[0] != '_') { return (NULL); } diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c index b26297c..01f04da 100644 --- a/drivers/acpi/acpica/utprint.c +++ b/drivers/acpi/acpica/utprint.c @@ -314,8 +314,9 @@ static char *acpi_ut_format_number(char *string, if (need_prefix) { string = acpi_ut_bound_string_output(string, end, '0'); if (base == 16) { - string = acpi_ut_bound_string_output(string, end, - upper ? 'X' : 'x'); + string = + acpi_ut_bound_string_output(string, end, + upper ? 'X' : 'x'); } } if (!(type & ACPI_FORMAT_LEFT)) { @@ -400,6 +401,7 @@ acpi_ut_vsnprintf(char *string, } else { break; } + } while (1); /* Process width */ @@ -429,6 +431,7 @@ acpi_ut_vsnprintf(char *string, ++format; precision = va_arg(args, int); } + if (precision < 0) { precision = 0; } @@ -488,10 +491,12 @@ acpi_ut_vsnprintf(char *string, ' '); } } + for (i = 0; i < length; ++i) { pos = acpi_ut_bound_string_output(pos, end, *s); ++s; } + while (length < width--) { pos = acpi_ut_bound_string_output(pos, end, ' '); @@ -529,9 +534,9 @@ acpi_ut_vsnprintf(char *string, } p = va_arg(args, void *); - pos = acpi_ut_format_number(pos, end, - ACPI_TO_INTEGER(p), 16, - width, precision, type); + pos = + acpi_ut_format_number(pos, end, ACPI_TO_INTEGER(p), + 16, width, precision, type); continue; default: diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c index b3505db..d50b41c 100644 --- a/drivers/acpi/acpica/utresrc.c +++ b/drivers/acpi/acpica/utresrc.c @@ -441,8 +441,8 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, acpi_ut_validate_resource(walk_state, aml, &resource_index); if (ACPI_FAILURE(status)) { /* - * Exit on failure. Cannot continue because the descriptor length - * may be bogus also. + * Exit on failure. Cannot continue because the descriptor + * length may be bogus also. */ return_ACPI_STATUS(status); } @@ -568,8 +568,8 @@ acpi_ut_validate_resource(struct acpi_walk_state *walk_state, } /* - * Check validity of the resource type, via acpi_gbl_resource_types. Zero - * indicates an invalid resource. + * Check validity of the resource type, via acpi_gbl_resource_types. + * Zero indicates an invalid resource. */ if (!acpi_gbl_resource_types[resource_index]) { goto invalid_resource; diff --git a/drivers/acpi/acpica/utstate.c b/drivers/acpi/acpica/utstate.c index f201171..0050e00 100644 --- a/drivers/acpi/acpica/utstate.c +++ b/drivers/acpi/acpica/utstate.c @@ -246,6 +246,7 @@ union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object, state->pkg.dest_object = external_object; state->pkg.index = index; state->pkg.num_packages = 1; + return (state); } @@ -279,6 +280,7 @@ union acpi_generic_state *acpi_ut_create_control_state(void) state->common.descriptor_type = ACPI_DESC_TYPE_STATE_CONTROL; state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING; + return (state); } @@ -304,5 +306,6 @@ void acpi_ut_delete_generic_state(union acpi_generic_state *state) if (state) { (void)acpi_os_release_object(acpi_gbl_state_cache, state); } + return; } diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c index 4ddd105..958b2f7 100644 --- a/drivers/acpi/acpica/utstring.c +++ b/drivers/acpi/acpica/utstring.c @@ -135,6 +135,7 @@ void acpi_ut_print_string(char *string, u16 max_length) break; } } + acpi_os_printf("\""); if (i == max_length && string[i]) { @@ -239,6 +240,14 @@ void acpi_ut_repair_name(char *name) ACPI_FUNCTION_NAME(ut_repair_name); + /* + * Special case for the root node. This can happen if we get an + * error during the execution of module-level code. + */ + if (ACPI_COMPARE_NAME(name, "\\___")) { + return; + } + ACPI_MOVE_NAME(&original_name, name); /* Check each character in the name */ diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c index 9a7dc81..ea698e9 100644 --- a/drivers/acpi/acpica/uttrack.c +++ b/drivers/acpi/acpica/uttrack.c @@ -150,9 +150,9 @@ void *acpi_ut_allocate_and_track(acpi_size size, return (NULL); } - status = acpi_ut_track_allocation(allocation, size, - ACPI_MEM_MALLOC, component, module, - line); + status = + acpi_ut_track_allocation(allocation, size, ACPI_MEM_MALLOC, + component, module, line); if (ACPI_FAILURE(status)) { acpi_os_free(allocation); return (NULL); @@ -161,6 +161,7 @@ void *acpi_ut_allocate_and_track(acpi_size size, acpi_gbl_global_list->total_allocated++; acpi_gbl_global_list->total_size += (u32)size; acpi_gbl_global_list->current_total_size += (u32)size; + if (acpi_gbl_global_list->current_total_size > acpi_gbl_global_list->max_occupied) { acpi_gbl_global_list->max_occupied = @@ -223,6 +224,7 @@ void *acpi_ut_allocate_zeroed_and_track(acpi_size size, acpi_gbl_global_list->total_allocated++; acpi_gbl_global_list->total_size += (u32)size; acpi_gbl_global_list->current_total_size += (u32)size; + if (acpi_gbl_global_list->current_total_size > acpi_gbl_global_list->max_occupied) { acpi_gbl_global_list->max_occupied = @@ -269,8 +271,8 @@ acpi_ut_free_and_track(void *allocation, acpi_gbl_global_list->total_freed++; acpi_gbl_global_list->current_total_size -= debug_block->size; - status = acpi_ut_remove_allocation(debug_block, - component, module, line); + status = + acpi_ut_remove_allocation(debug_block, component, module, line); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not free memory")); } @@ -525,35 +527,35 @@ void acpi_ut_dump_allocation_info(void) /* ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, - ("%30s: %4d (%3d Kb)\n", "Current allocations", - mem_list->current_count, - ROUND_UP_TO_1K (mem_list->current_size))); + ("%30s: %4d (%3d Kb)\n", "Current allocations", + mem_list->current_count, + ROUND_UP_TO_1K (mem_list->current_size))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, - ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", - mem_list->max_concurrent_count, - ROUND_UP_TO_1K (mem_list->max_concurrent_size))); + ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", + mem_list->max_concurrent_count, + ROUND_UP_TO_1K (mem_list->max_concurrent_size))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, - ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", - running_object_count, - ROUND_UP_TO_1K (running_object_size))); + ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", + running_object_count, + ROUND_UP_TO_1K (running_object_size))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, - ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", - running_alloc_count, - ROUND_UP_TO_1K (running_alloc_size))); + ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", + running_alloc_count, + ROUND_UP_TO_1K (running_alloc_size))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, - ("%30s: %4d (%3d Kb)\n", "Current Nodes", - acpi_gbl_current_node_count, - ROUND_UP_TO_1K (acpi_gbl_current_node_size))); + ("%30s: %4d (%3d Kb)\n", "Current Nodes", + acpi_gbl_current_node_count, + ROUND_UP_TO_1K (acpi_gbl_current_node_size))); ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, - ("%30s: %4d (%3d Kb)\n", "Max Nodes", - acpi_gbl_max_concurrent_node_count, - ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count * - sizeof (struct acpi_namespace_node))))); + ("%30s: %4d (%3d Kb)\n", "Max Nodes", + acpi_gbl_max_concurrent_node_count, + ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count * + sizeof (struct acpi_namespace_node))))); */ return_VOID; } diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index f9c8f9c..9f3f0a1 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -154,7 +154,6 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) * Populate the return buffer */ info_ptr = (struct acpi_system_info *)out_buffer->pointer; - info_ptr->acpi_ca_version = ACPI_CA_VERSION; /* System flags (ACPI capabilities) */ @@ -216,7 +215,6 @@ acpi_status acpi_get_statistics(struct acpi_statistics *stats) /* Other counters */ stats->method_count = acpi_method_count; - return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/utxferror.c b/drivers/acpi/acpica/utxferror.c index 98d5787..f6cbaf4 100644 --- a/drivers/acpi/acpica/utxferror.c +++ b/drivers/acpi/acpica/utxferror.c @@ -117,6 +117,7 @@ acpi_exception(const char *module_name, acpi_os_printf(ACPI_MSG_EXCEPTION "%s, ", acpi_format_exception(status)); } + va_start(arg_list, format); acpi_os_vprintf(format, arg_list); ACPI_MSG_SUFFIX; diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c index a7137ec..e38facd 100644 --- a/drivers/acpi/acpica/utxfinit.c +++ b/drivers/acpi/acpica/utxfinit.c @@ -147,6 +147,28 @@ acpi_status __init acpi_enable_subsystem(u32 flags) ACPI_FUNCTION_TRACE(acpi_enable_subsystem); + /* + * The early initialization phase is complete. The namespace is loaded, + * and we can now support address spaces other than Memory, I/O, and + * PCI_Config. + */ + acpi_gbl_early_initialization = FALSE; + + /* + * Install the default operation region handlers. These are the + * handlers that are defined by the ACPI specification to be + * "always accessible" -- namely, system_memory, system_IO, and + * PCI_Config. This also means that no _REG methods need to be + * run for these address spaces. We need to have these handlers + * installed before any AML code can be executed, especially any + * module-level code (11/2015). + */ + status = acpi_ev_install_region_handlers(); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, + "During Region initialization")); + return_ACPI_STATUS(status); + } #if (!ACPI_REDUCED_HARDWARE) /* Enable ACPI mode */ @@ -175,23 +197,7 @@ acpi_status __init acpi_enable_subsystem(u32 flags) return_ACPI_STATUS(status); } } -#endif /* !ACPI_REDUCED_HARDWARE */ - - /* - * Install the default op_region handlers. These are installed unless - * other handlers have already been installed via the - * install_address_space_handler interface. - */ - if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "[Init] Installing default address space handlers\n")); - status = acpi_ev_install_region_handlers(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } -#if (!ACPI_REDUCED_HARDWARE) /* * Initialize ACPI Event handling (Fixed and General Purpose) * @@ -261,6 +267,7 @@ acpi_status __init acpi_initialize_objects(u32 flags) * initialized, even if they contain executable AML (see the call to * acpi_ns_initialize_objects below). */ + acpi_gbl_reg_methods_enabled = TRUE; if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[Init] Executing _REG OpRegion methods\n")); @@ -285,8 +292,14 @@ acpi_status __init acpi_initialize_objects(u32 flags) * outside of any control method is wrapped with a temporary control * method object and placed on a global list. The methods on this list * are executed below. + * + * This case executes the module-level code for all tables only after + * all of the tables have been loaded. It is a legacy option and is + * not compatible with other ACPI implementations. See acpi_ns_load_table. */ - acpi_ns_exec_module_code_list(); + if (acpi_gbl_group_module_level_code) { + acpi_ns_exec_module_code_list(); + } /* * Initialize the objects that remain uninitialized. This runs the diff --git a/drivers/acpi/acpica/utxfmutex.c b/drivers/acpi/acpica/utxfmutex.c index f2606af..95d6123 100644 --- a/drivers/acpi/acpica/utxfmutex.c +++ b/drivers/acpi/acpica/utxfmutex.c @@ -89,9 +89,9 @@ acpi_ut_get_mutex_object(acpi_handle handle, mutex_node = handle; if (pathname != NULL) { - status = acpi_get_handle(handle, pathname, - ACPI_CAST_PTR(acpi_handle, - &mutex_node)); + status = + acpi_get_handle(handle, pathname, + ACPI_CAST_PTR(acpi_handle, &mutex_node)); if (ACPI_FAILURE(status)) { return (status); } diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index a212cef..891c42d 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -180,14 +180,15 @@ static void acpi_print_osc_error(acpi_handle handle, int i; if (ACPI_FAILURE(acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer))) - printk(KERN_DEBUG "%s\n", error); + printk(KERN_DEBUG "%s: %s\n", context->uuid_str, error); else { - printk(KERN_DEBUG "%s:%s\n", (char *)buffer.pointer, error); + printk(KERN_DEBUG "%s (%s): %s\n", + (char *)buffer.pointer, context->uuid_str, error); kfree(buffer.pointer); } - printk(KERN_DEBUG"_OSC request data:"); + printk(KERN_DEBUG "_OSC request data:"); for (i = 0; i < context->cap.length; i += sizeof(u32)) - printk("%x ", *((u32 *)(context->cap.pointer + i))); + printk(" %x", *((u32 *)(context->cap.pointer + i))); printk("\n"); } @@ -1094,6 +1095,7 @@ static int __init acpi_init(void) acpi_debugfs_init(); acpi_sleep_proc_init(); acpi_wakeup_device_init(); + acpi_debugger_init(); return 0; } diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index 707cf62..b9afb47 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -104,7 +104,7 @@ static void acpi_expose_nondev_subnodes(struct kobject *kobj, init_completion(&dn->kobj_done); ret = kobject_init_and_add(&dn->kobj, &acpi_data_node_ktype, - kobj, dn->name); + kobj, "%s", dn->name); if (ret) acpi_handle_err(dn->handle, "Failed to expose (%d)\n", ret); else diff --git a/drivers/acpi/gsi.c b/drivers/acpi/gsi.c index fa4585a..ee9e0f2 100644 --- a/drivers/acpi/gsi.c +++ b/drivers/acpi/gsi.c @@ -17,25 +17,6 @@ enum acpi_irq_model_id acpi_irq_model; static struct fwnode_handle *acpi_gsi_domain_id; -static unsigned int acpi_gsi_get_irq_type(int trigger, int polarity) -{ - switch (polarity) { - case ACPI_ACTIVE_LOW: - return trigger == ACPI_EDGE_SENSITIVE ? - IRQ_TYPE_EDGE_FALLING : - IRQ_TYPE_LEVEL_LOW; - case ACPI_ACTIVE_HIGH: - return trigger == ACPI_EDGE_SENSITIVE ? - IRQ_TYPE_EDGE_RISING : - IRQ_TYPE_LEVEL_HIGH; - case ACPI_ACTIVE_BOTH: - if (trigger == ACPI_EDGE_SENSITIVE) - return IRQ_TYPE_EDGE_BOTH; - default: - return IRQ_TYPE_NONE; - } -} - /** * acpi_gsi_to_irq() - Retrieve the linux irq number for a given GSI * @gsi: GSI IRQ number to map @@ -82,7 +63,7 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, fwspec.fwnode = acpi_gsi_domain_id; fwspec.param[0] = gsi; - fwspec.param[1] = acpi_gsi_get_irq_type(trigger, polarity); + fwspec.param[1] = acpi_dev_get_irq_type(trigger, polarity); fwspec.param_count = 2; return irq_create_fwspec_mapping(&fwspec); diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 11d87bf..1e6833a 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -86,6 +86,14 @@ bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) +extern struct list_head acpi_bus_id_list; + +struct acpi_device_bus_id { + char bus_id[15]; + unsigned int instance_no; + struct list_head node; +}; + int acpi_device_add(struct acpi_device *device, void (*release)(struct device *)); void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index e7ed39b..aa45d48 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -1810,7 +1810,7 @@ static void acpi_nfit_notify(struct acpi_device *adev, u32 event) if (!dev->driver) { /* dev->driver may be null if we're being removed */ dev_dbg(dev, "%s: no driver found for dev\n", __func__); - return; + goto out_unlock; } if (!acpi_desc) { diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 32d684a..67da6fb 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -220,6 +220,7 @@ void acpi_os_printf(const char *fmt, ...) acpi_os_vprintf(fmt, args); va_end(args); } +EXPORT_SYMBOL(acpi_os_printf); void acpi_os_vprintf(const char *fmt, va_list args) { @@ -234,7 +235,8 @@ void acpi_os_vprintf(const char *fmt, va_list args) printk(KERN_CONT "%s", buffer); } #else - printk(KERN_CONT "%s", buffer); + if (acpi_debugger_write_log(buffer) < 0) + printk(KERN_CONT "%s", buffer); #endif } @@ -364,6 +366,19 @@ static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr) iounmap(vaddr); } +/** + * acpi_os_map_iomem - Get a virtual address for a given physical address range. + * @phys: Start of the physical address range to map. + * @size: Size of the physical address range to map. + * + * Look up the given physical address range in the list of existing ACPI memory + * mappings. If found, get a reference to it and return a pointer to it (its + * virtual address). If not found, map it, add it to that list and return a + * pointer to it. + * + * During early init (when acpi_gbl_permanent_mmap has not been set yet) this + * routine simply calls __acpi_map_table() to get the job done. + */ void __iomem *__init_refok acpi_os_map_iomem(acpi_physical_address phys, acpi_size size) { @@ -439,6 +454,20 @@ static void acpi_os_map_cleanup(struct acpi_ioremap *map) } } +/** + * acpi_os_unmap_iomem - Drop a memory mapping reference. + * @virt: Start of the address range to drop a reference to. + * @size: Size of the address range to drop a reference to. + * + * Look up the given virtual address range in the list of existing ACPI memory + * mappings, drop a reference to it and unmap it if there are no more active + * references to it. + * + * During early init (when acpi_gbl_permanent_mmap has not been set yet) this + * routine simply calls __acpi_unmap_table() to get the job done. Since + * __acpi_unmap_table() is an __init function, the __ref annotation is needed + * here. + */ void __ref acpi_os_unmap_iomem(void __iomem *virt, acpi_size size) { struct acpi_ioremap *map; @@ -1101,6 +1130,200 @@ static void acpi_os_execute_deferred(struct work_struct *work) kfree(dpc); } +#ifdef CONFIG_ACPI_DEBUGGER +static struct acpi_debugger acpi_debugger; +static bool acpi_debugger_initialized; + +int acpi_register_debugger(struct module *owner, + const struct acpi_debugger_ops *ops) +{ + int ret = 0; + + mutex_lock(&acpi_debugger.lock); + if (acpi_debugger.ops) { + ret = -EBUSY; + goto err_lock; + } + + acpi_debugger.owner = owner; + acpi_debugger.ops = ops; + +err_lock: + mutex_unlock(&acpi_debugger.lock); + return ret; +} +EXPORT_SYMBOL(acpi_register_debugger); + +void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) +{ + mutex_lock(&acpi_debugger.lock); + if (ops == acpi_debugger.ops) { + acpi_debugger.ops = NULL; + acpi_debugger.owner = NULL; + } + mutex_unlock(&acpi_debugger.lock); +} +EXPORT_SYMBOL(acpi_unregister_debugger); + +int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context) +{ + int ret; + int (*func)(acpi_osd_exec_callback, void *); + struct module *owner; + + if (!acpi_debugger_initialized) + return -ENODEV; + mutex_lock(&acpi_debugger.lock); + if (!acpi_debugger.ops) { + ret = -ENODEV; + goto err_lock; + } + if (!try_module_get(acpi_debugger.owner)) { + ret = -ENODEV; + goto err_lock; + } + func = acpi_debugger.ops->create_thread; + owner = acpi_debugger.owner; + mutex_unlock(&acpi_debugger.lock); + + ret = func(function, context); + + mutex_lock(&acpi_debugger.lock); + module_put(owner); +err_lock: + mutex_unlock(&acpi_debugger.lock); + return ret; +} + +ssize_t acpi_debugger_write_log(const char *msg) +{ + ssize_t ret; + ssize_t (*func)(const char *); + struct module *owner; + + if (!acpi_debugger_initialized) + return -ENODEV; + mutex_lock(&acpi_debugger.lock); + if (!acpi_debugger.ops) { + ret = -ENODEV; + goto err_lock; + } + if (!try_module_get(acpi_debugger.owner)) { + ret = -ENODEV; + goto err_lock; + } + func = acpi_debugger.ops->write_log; + owner = acpi_debugger.owner; + mutex_unlock(&acpi_debugger.lock); + + ret = func(msg); + + mutex_lock(&acpi_debugger.lock); + module_put(owner); +err_lock: + mutex_unlock(&acpi_debugger.lock); + return ret; +} + +ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length) +{ + ssize_t ret; + ssize_t (*func)(char *, size_t); + struct module *owner; + + if (!acpi_debugger_initialized) + return -ENODEV; + mutex_lock(&acpi_debugger.lock); + if (!acpi_debugger.ops) { + ret = -ENODEV; + goto err_lock; + } + if (!try_module_get(acpi_debugger.owner)) { + ret = -ENODEV; + goto err_lock; + } + func = acpi_debugger.ops->read_cmd; + owner = acpi_debugger.owner; + mutex_unlock(&acpi_debugger.lock); + + ret = func(buffer, buffer_length); + + mutex_lock(&acpi_debugger.lock); + module_put(owner); +err_lock: + mutex_unlock(&acpi_debugger.lock); + return ret; +} + +int acpi_debugger_wait_command_ready(void) +{ + int ret; + int (*func)(bool, char *, size_t); + struct module *owner; + + if (!acpi_debugger_initialized) + return -ENODEV; + mutex_lock(&acpi_debugger.lock); + if (!acpi_debugger.ops) { + ret = -ENODEV; + goto err_lock; + } + if (!try_module_get(acpi_debugger.owner)) { + ret = -ENODEV; + goto err_lock; + } + func = acpi_debugger.ops->wait_command_ready; + owner = acpi_debugger.owner; + mutex_unlock(&acpi_debugger.lock); + + ret = func(acpi_gbl_method_executing, + acpi_gbl_db_line_buf, ACPI_DB_LINE_BUFFER_SIZE); + + mutex_lock(&acpi_debugger.lock); + module_put(owner); +err_lock: + mutex_unlock(&acpi_debugger.lock); + return ret; +} + +int acpi_debugger_notify_command_complete(void) +{ + int ret; + int (*func)(void); + struct module *owner; + + if (!acpi_debugger_initialized) + return -ENODEV; + mutex_lock(&acpi_debugger.lock); + if (!acpi_debugger.ops) { + ret = -ENODEV; + goto err_lock; + } + if (!try_module_get(acpi_debugger.owner)) { + ret = -ENODEV; + goto err_lock; + } + func = acpi_debugger.ops->notify_command_complete; + owner = acpi_debugger.owner; + mutex_unlock(&acpi_debugger.lock); + + ret = func(); + + mutex_lock(&acpi_debugger.lock); + module_put(owner); +err_lock: + mutex_unlock(&acpi_debugger.lock); + return ret; +} + +int __init acpi_debugger_init(void) +{ + mutex_init(&acpi_debugger.lock); + acpi_debugger_initialized = true; + return 0; +} +#endif + /******************************************************************************* * * FUNCTION: acpi_os_execute @@ -1127,6 +1350,15 @@ acpi_status acpi_os_execute(acpi_execute_type type, "Scheduling function [%p(%p)] for deferred execution.\n", function, context)); + if (type == OSL_DEBUGGER_MAIN_THREAD) { + ret = acpi_debugger_create_thread(function, context); + if (ret) { + pr_err("Call to kthread_create() failed.\n"); + status = AE_ERROR; + } + goto out_thread; + } + /* * Allocate/initialize DPC structure. Note that this memory will be * freed by the callee. The kernel handles the work_struct list in a @@ -1151,11 +1383,17 @@ acpi_status acpi_os_execute(acpi_execute_type type, if (type == OSL_NOTIFY_HANDLER) { queue = kacpi_notify_wq; INIT_WORK(&dpc->work, acpi_os_execute_deferred); - } else { + } else if (type == OSL_GPE_HANDLER) { queue = kacpid_wq; INIT_WORK(&dpc->work, acpi_os_execute_deferred); + } else { + pr_err("Unsupported os_execute type %d.\n", type); + status = AE_ERROR; } + if (ACPI_FAILURE(status)) + goto err_workqueue; + /* * On some machines, a software-initiated SMI causes corruption unless * the SMI runs on CPU 0. An SMI can be initiated by any AML, but @@ -1164,13 +1402,15 @@ acpi_status acpi_os_execute(acpi_execute_type type, * queueing on CPU 0. */ ret = queue_work_on(0, queue, &dpc->work); - if (!ret) { printk(KERN_ERR PREFIX "Call to queue_work() failed.\n"); status = AE_ERROR; - kfree(dpc); } +err_workqueue: + if (ACPI_FAILURE(status)) + kfree(dpc); +out_thread: return status; } EXPORT_SYMBOL(acpi_os_execute); @@ -1358,10 +1598,39 @@ acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read) chars = strlen(buffer) - 1; buffer[chars] = '\0'; } +#else + int ret; + + ret = acpi_debugger_read_cmd(buffer, buffer_length); + if (ret < 0) + return AE_ERROR; + if (bytes_read) + *bytes_read = ret; #endif return AE_OK; } +EXPORT_SYMBOL(acpi_os_get_line); + +acpi_status acpi_os_wait_command_ready(void) +{ + int ret; + + ret = acpi_debugger_wait_command_ready(); + if (ret < 0) + return AE_ERROR; + return AE_OK; +} + +acpi_status acpi_os_notify_command_complete(void) +{ + int ret; + + ret = acpi_debugger_notify_command_complete(); + if (ret < 0) + return AE_ERROR; + return AE_OK; +} acpi_status acpi_os_signal(u32 function, void *info) { diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index c933675..d30184c 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -131,9 +131,6 @@ static void do_prt_fixups(struct acpi_prt_entry *entry, quirk = &prt_quirks[i]; /* All current quirks involve link devices, not GSIs */ - if (!prt->source) - continue; - if (dmi_check_system(quirk->system) && entry->id.segment == quirk->segment && entry->id.bus == quirk->bus && diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 7c8408b..fa28635 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -4,6 +4,7 @@ * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> * Copyright (C) 2002 Dominik Brodowski <devel@brodo.de> + * Copyright (c) 2015, The Linux Foundation. All rights reserved. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * @@ -67,12 +68,12 @@ static struct acpi_scan_handler pci_link_handler = { * later even the link is disable. Instead, we just repick the active irq */ struct acpi_pci_link_irq { - u8 active; /* Current IRQ */ + u32 active; /* Current IRQ */ u8 triggering; /* All IRQs */ u8 polarity; /* All IRQs */ u8 resource_type; u8 possible_count; - u8 possible[ACPI_PCI_LINK_MAX_POSSIBLE]; + u32 possible[ACPI_PCI_LINK_MAX_POSSIBLE]; u8 initialized:1; u8 reserved:7; }; @@ -437,7 +438,6 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) * enabled system. */ -#define ACPI_MAX_IRQS 256 #define ACPI_MAX_ISA_IRQ 16 #define PIRQ_PENALTY_PCI_AVAILABLE (0) @@ -447,7 +447,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) #define PIRQ_PENALTY_ISA_USED (16*16*16*16*16) #define PIRQ_PENALTY_ISA_ALWAYS (16*16*16*16*16*16) -static int acpi_irq_penalty[ACPI_MAX_IRQS] = { +static int acpi_irq_isa_penalty[ACPI_MAX_ISA_IRQ] = { PIRQ_PENALTY_ISA_ALWAYS, /* IRQ0 timer */ PIRQ_PENALTY_ISA_ALWAYS, /* IRQ1 keyboard */ PIRQ_PENALTY_ISA_ALWAYS, /* IRQ2 cascade */ @@ -464,9 +464,68 @@ static int acpi_irq_penalty[ACPI_MAX_IRQS] = { PIRQ_PENALTY_ISA_USED, /* IRQ13 fpe, sometimes */ PIRQ_PENALTY_ISA_USED, /* IRQ14 ide0 */ PIRQ_PENALTY_ISA_USED, /* IRQ15 ide1 */ - /* >IRQ15 */ }; +struct irq_penalty_info { + int irq; + int penalty; + struct list_head node; +}; + +static LIST_HEAD(acpi_irq_penalty_list); + +static int acpi_irq_get_penalty(int irq) +{ + struct irq_penalty_info *irq_info; + + if (irq < ACPI_MAX_ISA_IRQ) + return acpi_irq_isa_penalty[irq]; + + list_for_each_entry(irq_info, &acpi_irq_penalty_list, node) { + if (irq_info->irq == irq) + return irq_info->penalty; + } + + return 0; +} + +static int acpi_irq_set_penalty(int irq, int new_penalty) +{ + struct irq_penalty_info *irq_info; + + /* see if this is a ISA IRQ */ + if (irq < ACPI_MAX_ISA_IRQ) { + acpi_irq_isa_penalty[irq] = new_penalty; + return 0; + } + + /* next, try to locate from the dynamic list */ + list_for_each_entry(irq_info, &acpi_irq_penalty_list, node) { + if (irq_info->irq == irq) { + irq_info->penalty = new_penalty; + return 0; + } + } + + /* nope, let's allocate a slot for this IRQ */ + irq_info = kzalloc(sizeof(*irq_info), GFP_KERNEL); + if (!irq_info) + return -ENOMEM; + + irq_info->irq = irq; + irq_info->penalty = new_penalty; + list_add_tail(&irq_info->node, &acpi_irq_penalty_list); + + return 0; +} + +static void acpi_irq_add_penalty(int irq, int penalty) +{ + int curpen = acpi_irq_get_penalty(irq); + + acpi_irq_set_penalty(irq, curpen + penalty); +} + int __init acpi_irq_penalty_init(void) { struct acpi_pci_link *link; @@ -487,15 +546,16 @@ int __init acpi_irq_penalty_init(void) link->irq.possible_count; for (i = 0; i < link->irq.possible_count; i++) { - if (link->irq.possible[i] < ACPI_MAX_ISA_IRQ) - acpi_irq_penalty[link->irq. - possible[i]] += - penalty; + if (link->irq.possible[i] < ACPI_MAX_ISA_IRQ) { + int irqpos = link->irq.possible[i]; + + acpi_irq_add_penalty(irqpos, penalty); + } } } else if (link->irq.active) { - acpi_irq_penalty[link->irq.active] += - PIRQ_PENALTY_PCI_POSSIBLE; + acpi_irq_add_penalty(link->irq.active, + PIRQ_PENALTY_PCI_POSSIBLE); } } @@ -547,12 +607,12 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) * the use of IRQs 9, 10, 11, and >15. */ for (i = (link->irq.possible_count - 1); i >= 0; i--) { - if (acpi_irq_penalty[irq] > - acpi_irq_penalty[link->irq.possible[i]]) + if (acpi_irq_get_penalty(irq) > + acpi_irq_get_penalty(link->irq.possible[i])) irq = link->irq.possible[i]; } } - if (acpi_irq_penalty[irq] >= PIRQ_PENALTY_ISA_ALWAYS) { + if (acpi_irq_get_penalty(irq) >= PIRQ_PENALTY_ISA_ALWAYS) { printk(KERN_ERR PREFIX "No IRQ available for %s [%s]. " "Try pci=noacpi or acpi=off\n", acpi_device_name(link->device), @@ -568,7 +628,8 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) acpi_device_bid(link->device)); return -ENODEV; } else { - acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; + acpi_irq_add_penalty(link->irq.active, PIRQ_PENALTY_PCI_USING); + printk(KERN_WARNING PREFIX "%s [%s] enabled at IRQ %d\n", acpi_device_name(link->device), acpi_device_bid(link->device), link->irq.active); @@ -778,7 +839,7 @@ static void acpi_pci_link_remove(struct acpi_device *device) } /* - * modify acpi_irq_penalty[] from cmdline + * modify penalty from cmdline */ static int __init acpi_irq_penalty_update(char *str, int used) { @@ -796,13 +857,10 @@ static int __init acpi_irq_penalty_update(char *str, int used) if (irq < 0) continue; - if (irq >= ARRAY_SIZE(acpi_irq_penalty)) - continue; - if (used) - acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED; + acpi_irq_add_penalty(irq, PIRQ_PENALTY_ISA_USED); else - acpi_irq_penalty[irq] = PIRQ_PENALTY_PCI_AVAILABLE; + acpi_irq_set_penalty(irq, PIRQ_PENALTY_PCI_AVAILABLE); if (retval != 2) /* no next number */ break; @@ -819,18 +877,15 @@ static int __init acpi_irq_penalty_update(char *str, int used) */ void acpi_penalize_isa_irq(int irq, int active) { - if (irq >= 0 && irq < ARRAY_SIZE(acpi_irq_penalty)) { - if (active) - acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED; - else - acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING; - } + if (irq >= 0) + acpi_irq_add_penalty(irq, active ? + PIRQ_PENALTY_ISA_USED : PIRQ_PENALTY_PCI_USING); } bool acpi_isa_irq_available(int irq) { - return irq >= 0 && (irq >= ARRAY_SIZE(acpi_irq_penalty) || - acpi_irq_penalty[irq] < PIRQ_PENALTY_ISA_ALWAYS); + return irq >= 0 && + (acpi_irq_get_penalty(irq) < PIRQ_PENALTY_ISA_ALWAYS); } /* @@ -840,13 +895,18 @@ bool acpi_isa_irq_available(int irq) */ void acpi_penalize_sci_irq(int irq, int trigger, int polarity) { - if (irq >= 0 && irq < ARRAY_SIZE(acpi_irq_penalty)) { - if (trigger != ACPI_MADT_TRIGGER_LEVEL || - polarity != ACPI_MADT_POLARITY_ACTIVE_LOW) - acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_ALWAYS; - else - acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING; - } + int penalty; + + if (irq < 0) + return; + + if (trigger != ACPI_MADT_TRIGGER_LEVEL || + polarity != ACPI_MADT_POLARITY_ACTIVE_LOW) + penalty = PIRQ_PENALTY_ISA_ALWAYS; + else + penalty = PIRQ_PENALTY_PCI_USING; + + acpi_irq_add_penalty(irq, penalty); } /* diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index f4e02ae..11154a3 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -200,7 +200,8 @@ static int acpi_pss_perf_init(struct acpi_processor *pr, goto err_remove_sysfs_thermal; } - sysfs_remove_link(&pr->cdev->device.kobj, "device"); + return 0; + err_remove_sysfs_thermal: sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); err_thermal_unregister: diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 88f4306..2aee416 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -346,7 +346,7 @@ void acpi_free_properties(struct acpi_device *adev) * * Return: %0 if property with @name has been found (success), * %-EINVAL if the arguments are invalid, - * %-ENODATA if the property doesn't exist, + * %-EINVAL if the property doesn't exist, * %-EPROTO if the property value type doesn't match @type. */ static int acpi_data_get_property(struct acpi_device_data *data, @@ -360,7 +360,7 @@ static int acpi_data_get_property(struct acpi_device_data *data, return -EINVAL; if (!data->pointer || !data->properties) - return -ENODATA; + return -EINVAL; properties = data->properties; for (i = 0; i < properties->package.count; i++) { @@ -375,13 +375,13 @@ static int acpi_data_get_property(struct acpi_device_data *data, if (!strcmp(name, propname->string.pointer)) { if (type != ACPI_TYPE_ANY && propvalue->type != type) return -EPROTO; - else if (obj) + if (obj) *obj = propvalue; return 0; } } - return -ENODATA; + return -EINVAL; } /** @@ -439,7 +439,7 @@ int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname, * * Return: %0 if array property (package) with @name has been found (success), * %-EINVAL if the arguments are invalid, - * %-ENODATA if the property doesn't exist, + * %-EINVAL if the property doesn't exist, * %-EPROTO if the property is not a package or the type of its elements * doesn't match @type. */ diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index cdc5c25..d02fd53 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -23,6 +23,7 @@ #include <linux/export.h> #include <linux/ioport.h> #include <linux/slab.h> +#include <linux/irq.h> #ifdef CONFIG_X86 #define valid_IRQ(i) (((i) != 0) && ((i) != 2)) @@ -336,6 +337,31 @@ unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable) } EXPORT_SYMBOL_GPL(acpi_dev_irq_flags); +/** + * acpi_dev_get_irq_type - Determine irq type. + * @triggering: Triggering type as provided by ACPI. + * @polarity: Interrupt polarity as provided by ACPI. + */ +unsigned int acpi_dev_get_irq_type(int triggering, int polarity) +{ + switch (polarity) { + case ACPI_ACTIVE_LOW: + return triggering == ACPI_EDGE_SENSITIVE ? + IRQ_TYPE_EDGE_FALLING : + IRQ_TYPE_LEVEL_LOW; + case ACPI_ACTIVE_HIGH: + return triggering == ACPI_EDGE_SENSITIVE ? + IRQ_TYPE_EDGE_RISING : + IRQ_TYPE_LEVEL_HIGH; + case ACPI_ACTIVE_BOTH: + if (triggering == ACPI_EDGE_SENSITIVE) + return IRQ_TYPE_EDGE_BOTH; + default: + return IRQ_TYPE_NONE; + } +} +EXPORT_SYMBOL_GPL(acpi_dev_get_irq_type); + static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi) { res->start = gsi; diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index cb3dedb..ad0b13a 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -417,11 +417,11 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery) if ((value & 0xf000) != sel) { value &= 0x0fff; value |= sel; - ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, + ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_MANAGER, 0x01, (u8 *)&value, 2); - if (ret) - goto end; + if (ret) + goto end; } } ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_BATTERY, diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 78d5f02..407a376 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -39,7 +39,7 @@ static const char *dummy_hid = "device"; static LIST_HEAD(acpi_dep_list); static DEFINE_MUTEX(acpi_dep_list_lock); -static LIST_HEAD(acpi_bus_id_list); +LIST_HEAD(acpi_bus_id_list); static DEFINE_MUTEX(acpi_scan_lock); static LIST_HEAD(acpi_scan_handlers_list); DEFINE_MUTEX(acpi_device_lock); @@ -52,12 +52,6 @@ struct acpi_dep_data { acpi_handle slave; }; -struct acpi_device_bus_id{ - char bus_id[15]; - unsigned int instance_no; - struct list_head node; -}; - void acpi_scan_lock_acquire(void) { mutex_lock(&acpi_scan_lock); @@ -471,10 +465,24 @@ static void acpi_device_release(struct device *dev) static void acpi_device_del(struct acpi_device *device) { + struct acpi_device_bus_id *acpi_device_bus_id; + mutex_lock(&acpi_device_lock); if (device->parent) list_del(&device->node); + list_for_each_entry(acpi_device_bus_id, &acpi_bus_id_list, node) + if (!strcmp(acpi_device_bus_id->bus_id, + acpi_device_hid(device))) { + if (acpi_device_bus_id->instance_no > 0) + acpi_device_bus_id->instance_no--; + else { + list_del(&acpi_device_bus_id->node); + kfree(acpi_device_bus_id); + } + break; + } + list_del(&device->wakeup_list); mutex_unlock(&acpi_device_lock); @@ -1461,7 +1469,7 @@ static int acpi_bus_type_and_status(acpi_handle handle, int *type, *type = ACPI_BUS_TYPE_DEVICE; status = acpi_bus_get_status_handle(handle, sta); if (ACPI_FAILURE(status)) - return -ENODEV; + *sta = 0; break; case ACPI_TYPE_PROCESSOR: *type = ACPI_BUS_TYPE_PROCESSOR; diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 0d94621..9cb9752 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -61,7 +61,7 @@ static int acpi_sleep_prepare(u32 acpi_state) if (acpi_state == ACPI_STATE_S3) { if (!acpi_wakeup_address) return -EFAULT; - acpi_set_firmware_waking_vector(acpi_wakeup_address); + acpi_set_waking_vector(acpi_wakeup_address); } ACPI_FLUSH_CPU_CACHE(); @@ -410,7 +410,7 @@ static void acpi_pm_finish(void) acpi_leave_sleep_state(acpi_state); /* reset firmware waking vector */ - acpi_set_firmware_waking_vector((acpi_physical_address) 0); + acpi_set_waking_vector(0); acpi_target_sleep_state = ACPI_STATE_S0; diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h index c797ffa..a9cc34e 100644 --- a/drivers/acpi/sleep.h +++ b/drivers/acpi/sleep.h @@ -6,3 +6,9 @@ extern struct list_head acpi_wakeup_device_list; extern struct mutex acpi_device_lock; extern void acpi_resume_power_resources(void); + +static inline acpi_status acpi_set_waking_vector(u32 wakeup_address) +{ + return acpi_set_firmware_waking_vector( + (acpi_physical_address)wakeup_address, 0); +} diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 475c907..f2f9873 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -29,6 +29,7 @@ #include <linux/dynamic_debug.h> #include "internal.h" +#include "sleep.h" #define _COMPONENT ACPI_BUS_COMPONENT ACPI_MODULE_NAME("utils"); @@ -709,6 +710,36 @@ bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, int rev, u64 funcs) } EXPORT_SYMBOL(acpi_check_dsm); +/** + * acpi_dev_present - Detect presence of a given ACPI device in the system. + * @hid: Hardware ID of the device. + * + * Return %true if the device was present at the moment of invocation. + * Note that if the device is pluggable, it may since have disappeared. + * + * For this function to work, acpi_bus_scan() must have been executed + * which happens in the subsys_initcall() subsection. Hence, do not + * call from a subsys_initcall() or earlier (use acpi_get_devices() + * instead). Calling from module_init() is fine (which is synonymous + * with device_initcall()). + */ +bool acpi_dev_present(const char *hid) +{ + struct acpi_device_bus_id *acpi_device_bus_id; + bool found = false; + + mutex_lock(&acpi_device_lock); + list_for_each_entry(acpi_device_bus_id, &acpi_bus_id_list, node) + if (!strcmp(acpi_device_bus_id->bus_id, hid)) { + found = true; + break; + } + mutex_unlock(&acpi_device_lock); + + return found; +} +EXPORT_SYMBOL(acpi_dev_present); + /* * acpi_backlight= handling, this is done here rather then in video_detect.c * because __setup cannot be used in modules. diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index daaf1c4..90e2d54 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -250,6 +250,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "XPS L521X"), }, }, + { + /* https://bugzilla.kernel.org/show_bug.cgi?id=108971 */ + .callback = video_detect_force_video, + .ident = "SAMSUNG 530U4E/540U4E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "530U4E/540U4E"), + }, + }, /* Non win8 machines which need native backlight nevertheless */ { @@ -279,6 +288,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro12,1"), }, }, + { + .callback = video_detect_force_native, + .ident = "Dell Vostro V131", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V131"), + }, + }, { }, }; diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index ff02bb4..cdfbcc5 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -314,16 +314,6 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */ { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */ { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */ - { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/ - { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/ - { PCI_VDEVICE(INTEL, 0xa184), board_ahci }, /* Lewisburg RAID*/ - { PCI_VDEVICE(INTEL, 0xa204), board_ahci }, /* Lewisburg RAID*/ - { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/ - { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/ - { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/ - { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/ - { PCI_VDEVICE(INTEL, 0xa18e), board_ahci }, /* Lewisburg RAID*/ - { PCI_VDEVICE(INTEL, 0xa20e), board_ahci }, /* Lewisburg RAID*/ { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */ { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */ { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */ @@ -350,10 +340,22 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */ { PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */ { PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */ + { PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */ { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */ { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */ { PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */ { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/ + { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/ + { PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/ + { PCI_VDEVICE(INTEL, 0xa184), board_ahci }, /* Lewisburg RAID*/ + { PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/ + { PCI_VDEVICE(INTEL, 0xa18e), board_ahci }, /* Lewisburg RAID*/ + { PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/ + { PCI_VDEVICE(INTEL, 0xa204), board_ahci }, /* Lewisburg RAID*/ + { PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/ + { PCI_VDEVICE(INTEL, 0xa20e), board_ahci }, /* Lewisburg RAID*/ /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c index 8490d37..f7a7fa8 100644 --- a/drivers/ata/ahci_mvebu.c +++ b/drivers/ata/ahci_mvebu.c @@ -62,6 +62,7 @@ static void ahci_mvebu_regret_option(struct ahci_host_priv *hpriv) writel(0x80, hpriv->mmio + AHCI_VENDOR_SPECIFIC_0_DATA); } +#ifdef CONFIG_PM_SLEEP static int ahci_mvebu_suspend(struct platform_device *pdev, pm_message_t state) { return ahci_platform_suspend_host(&pdev->dev); @@ -81,6 +82,10 @@ static int ahci_mvebu_resume(struct platform_device *pdev) return ahci_platform_resume_host(&pdev->dev); } +#else +#define ahci_mvebu_suspend NULL +#define ahci_mvebu_resume NULL +#endif static const struct ata_port_info ahci_mvebu_port_info = { .flags = AHCI_FLAG_COMMON, diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 096064c..4665512 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1273,6 +1273,15 @@ static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp, ata_tf_to_fis(tf, pmp, is_cmd, fis); ahci_fill_cmd_slot(pp, 0, cmd_fis_len | flags | (pmp << 12)); + /* set port value for softreset of Port Multiplier */ + if (pp->fbs_enabled && pp->fbs_last_dev != pmp) { + tmp = readl(port_mmio + PORT_FBS); + tmp &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC); + tmp |= pmp << PORT_FBS_DEV_OFFSET; + writel(tmp, port_mmio + PORT_FBS); + pp->fbs_last_dev = pmp; + } + /* issue & wait */ writel(1, port_mmio + PORT_CMD_ISSUE); diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index cb0508a..961acc7 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1505,12 +1505,20 @@ static const char *ata_err_string(unsigned int err_mask) unsigned int ata_read_log_page(struct ata_device *dev, u8 log, u8 page, void *buf, unsigned int sectors) { + unsigned long ap_flags = dev->link->ap->flags; struct ata_taskfile tf; unsigned int err_mask; bool dma = false; DPRINTK("read log page - log 0x%x, page 0x%x\n", log, page); + /* + * Return error without actually issuing the command on controllers + * which e.g. lockup on a read log page. + */ + if (ap_flags & ATA_FLAG_NO_LOG_PAGE) + return AC_ERR_DEV; + retry: ata_tf_init(dev, &tf); if (dev->dma_mode && ata_id_has_read_log_dma_ext(dev->id) && diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 5389579..a723ae9 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -45,7 +45,8 @@ enum { SATA_FSL_MAX_PRD_DIRECT = 16, /* Direct PRDT entries */ SATA_FSL_HOST_FLAGS = (ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | - ATA_FLAG_PMP | ATA_FLAG_NCQ | ATA_FLAG_AN), + ATA_FLAG_PMP | ATA_FLAG_NCQ | + ATA_FLAG_AN | ATA_FLAG_NO_LOG_PAGE), SATA_FSL_MAX_CMDS = SATA_FSL_QUEUE_DEPTH, SATA_FSL_CMD_HDR_SIZE = 16, /* 4 DWORDS */ diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index dea6edcb..29bcff0 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -630,6 +630,9 @@ static void sil_dev_config(struct ata_device *dev) unsigned int n, quirks = 0; unsigned char model_num[ATA_ID_PROD_LEN + 1]; + /* This controller doesn't support trim */ + dev->horkage |= ATA_HORKAGE_NOTRIM; + ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); for (n = 0; sil_blacklist[n].product; n++) diff --git a/drivers/base/base.h b/drivers/base/base.h index 1782f3a..e05db38 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -131,6 +131,8 @@ extern void device_remove_groups(struct device *dev, extern char *make_class_name(const char *name, struct kobject *kobj); extern int devres_release_all(struct device *dev); +extern void device_block_probing(void); +extern void device_unblock_probing(void); /* /sys/devices directory */ extern struct kset *devices_kset; diff --git a/drivers/base/core.c b/drivers/base/core.c index b7d56c5..0a8bdad 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2261,7 +2261,10 @@ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode) if (fwnode_is_primary(fn)) fn = fn->secondary; - fwnode->secondary = fn; + if (fn) { + WARN_ON(fwnode->secondary); + fwnode->secondary = fn; + } dev->fwnode = fwnode; } else { dev->fwnode = fwnode_is_primary(dev->fwnode) ? diff --git a/drivers/base/dd.c b/drivers/base/dd.c index a641cf3..7399be7 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -55,6 +55,13 @@ static struct workqueue_struct *deferred_wq; static atomic_t deferred_trigger_count = ATOMIC_INIT(0); /* + * In some cases, like suspend to RAM or hibernation, It might be reasonable + * to prohibit probing of devices as it could be unsafe. + * Once defer_all_probes is true all drivers probes will be forcibly deferred. + */ +static bool defer_all_probes; + +/* * deferred_probe_work_func() - Retry probing devices in the active list. */ static void deferred_probe_work_func(struct work_struct *work) @@ -172,6 +179,30 @@ static void driver_deferred_probe_trigger(void) } /** + * device_block_probing() - Block/defere device's probes + * + * It will disable probing of devices and defer their probes instead. + */ +void device_block_probing(void) +{ + defer_all_probes = true; + /* sync with probes to avoid races. */ + wait_for_device_probe(); +} + +/** + * device_unblock_probing() - Unblock/enable device's probes + * + * It will restore normal behavior and trigger re-probing of deferred + * devices. + */ +void device_unblock_probing(void) +{ + defer_all_probes = false; + driver_deferred_probe_trigger(); +} + +/** * deferred_probe_initcall() - Enable probing of deferred devices * * We don't want to get in the way when the bulk of drivers are getting probed. @@ -268,6 +299,9 @@ int device_bind_driver(struct device *dev) ret = driver_sysfs_add(dev); if (!ret) driver_bound(dev); + else if (dev->bus) + blocking_notifier_call_chain(&dev->bus->p->bus_notifier, + BUS_NOTIFY_DRIVER_NOT_BOUND, dev); return ret; } EXPORT_SYMBOL_GPL(device_bind_driver); @@ -277,9 +311,20 @@ static DECLARE_WAIT_QUEUE_HEAD(probe_waitqueue); static int really_probe(struct device *dev, struct device_driver *drv) { - int ret = 0; + int ret = -EPROBE_DEFER; int local_trigger_count = atomic_read(&deferred_trigger_count); + if (defer_all_probes) { + /* + * Value of defer_all_probes can be set only by + * device_defer_all_probes_enable() which, in turn, will call + * wait_for_device_probe() right after that to avoid any races. + */ + dev_dbg(dev, "Driver %s force probe deferral\n", drv->name); + driver_deferred_probe_add(dev); + return ret; + } + atomic_inc(&probe_count); pr_debug("bus: '%s': %s: probing driver %s with device %s\n", drv->bus->name, __func__, drv->name, dev_name(dev)); @@ -290,7 +335,7 @@ static int really_probe(struct device *dev, struct device_driver *drv) /* If using pinctrl, bind pins now before probing */ ret = pinctrl_bind_pins(dev); if (ret) - goto probe_failed; + goto pinctrl_bind_failed; if (driver_sysfs_add(dev)) { printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n", @@ -334,12 +379,17 @@ static int really_probe(struct device *dev, struct device_driver *drv) goto done; probe_failed: + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->p->bus_notifier, + BUS_NOTIFY_DRIVER_NOT_BOUND, dev); +pinctrl_bind_failed: devres_release_all(dev); driver_sysfs_remove(dev); dev->driver = NULL; dev_set_drvdata(dev, NULL); if (dev->pm_domain && dev->pm_domain->dismiss) dev->pm_domain->dismiss(dev); + pm_runtime_reinit(dev); switch (ret) { case -EPROBE_DEFER: @@ -393,6 +443,10 @@ int driver_probe_done(void) */ void wait_for_device_probe(void) { + /* wait for the deferred probe workqueue to finish */ + if (driver_deferred_probe_enable) + flush_workqueue(deferred_wq); + /* wait for the known devices to complete their probing */ wait_event(probe_waitqueue, atomic_read(&probe_count) == 0); async_synchronize_full(); @@ -695,13 +749,13 @@ static void __device_release_driver(struct device *dev) dev_set_drvdata(dev, NULL); if (dev->pm_domain && dev->pm_domain->dismiss) dev->pm_domain->dismiss(dev); + pm_runtime_reinit(dev); klist_remove(&dev->p->knode_driver); if (dev->bus) blocking_notifier_call_chain(&dev->bus->p->bus_notifier, BUS_NOTIFY_UNBOUND_DRIVER, dev); - } } diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 2804aed..25425d3 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -303,6 +303,10 @@ static int memory_subsys_offline(struct device *dev) if (mem->state == MEM_OFFLINE) return 0; + /* Can't offline block with non-present sections */ + if (mem->section_count != sections_per_block) + return -EINVAL; + return memory_block_change_state(mem, MEM_OFFLINE, MEM_ONLINE); } diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 1dd6d3b..d77ed0c 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -26,6 +26,7 @@ #include <linux/acpi.h> #include <linux/clk/clk-conf.h> #include <linux/limits.h> +#include <linux/property.h> #include "base.h" #include "power/power.h" @@ -299,6 +300,22 @@ int platform_device_add_data(struct platform_device *pdev, const void *data, EXPORT_SYMBOL_GPL(platform_device_add_data); /** + * platform_device_add_properties - add built-in properties to a platform device + * @pdev: platform device to add properties to + * @pset: properties to add + * + * The function will take deep copy of the properties in @pset and attach + * the copy to the platform device. The memory associated with properties + * will be freed when the platform device is released. + */ +int platform_device_add_properties(struct platform_device *pdev, + const struct property_set *pset) +{ + return device_add_property_set(&pdev->dev, pset); +} +EXPORT_SYMBOL_GPL(platform_device_add_properties); + +/** * platform_device_add - add a platform device to device hierarchy * @pdev: platform device we're adding * @@ -409,6 +426,8 @@ void platform_device_del(struct platform_device *pdev) if (r->parent) release_resource(r); } + + device_remove_property_set(&pdev->dev); } } EXPORT_SYMBOL_GPL(platform_device_del); @@ -487,6 +506,12 @@ struct platform_device *platform_device_register_full( if (ret) goto err; + if (pdevinfo->pset) { + ret = platform_device_add_properties(pdev, pdevinfo->pset); + if (ret) + goto err; + } + ret = platform_device_add(pdev); if (ret) { err: diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c index 60ee559..c39b861 100644 --- a/drivers/base/power/clock_ops.c +++ b/drivers/base/power/clock_ops.c @@ -473,6 +473,7 @@ static int pm_clk_notify(struct notifier_block *nb, enable_clock(dev, NULL); } break; + case BUS_NOTIFY_DRIVER_NOT_BOUND: case BUS_NOTIFY_UNBOUND_DRIVER: if (clknb->con_ids[0]) { for (con_id = clknb->con_ids; *con_id; con_id++) diff --git a/drivers/base/power/common.c b/drivers/base/power/common.c index f32b802..f48e333 100644 --- a/drivers/base/power/common.c +++ b/drivers/base/power/common.c @@ -112,7 +112,7 @@ EXPORT_SYMBOL_GPL(dev_pm_domain_attach); /** * dev_pm_domain_detach - Detach a device from its PM domain. - * @dev: Device to attach. + * @dev: Device to detach. * @power_off: Used to indicate whether we should power off the device. * * This functions will reverse the actions from dev_pm_domain_attach() and thus diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 167418e..65f50ec 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -390,6 +390,7 @@ static int pm_genpd_runtime_suspend(struct device *dev) struct generic_pm_domain *genpd; bool (*stop_ok)(struct device *__dev); struct gpd_timing_data *td = &dev_gpd_data(dev)->td; + bool runtime_pm = pm_runtime_enabled(dev); ktime_t time_start; s64 elapsed_ns; int ret; @@ -400,12 +401,19 @@ static int pm_genpd_runtime_suspend(struct device *dev) if (IS_ERR(genpd)) return -EINVAL; + /* + * A runtime PM centric subsystem/driver may re-use the runtime PM + * callbacks for other purposes than runtime PM. In those scenarios + * runtime PM is disabled. Under these circumstances, we shall skip + * validating/measuring the PM QoS latency. + */ stop_ok = genpd->gov ? genpd->gov->stop_ok : NULL; - if (stop_ok && !stop_ok(dev)) + if (runtime_pm && stop_ok && !stop_ok(dev)) return -EBUSY; /* Measure suspend latency. */ - time_start = ktime_get(); + if (runtime_pm) + time_start = ktime_get(); ret = genpd_save_dev(genpd, dev); if (ret) @@ -418,13 +426,15 @@ static int pm_genpd_runtime_suspend(struct device *dev) } /* Update suspend latency value if the measured time exceeds it. */ - elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start)); - if (elapsed_ns > td->suspend_latency_ns) { - td->suspend_latency_ns = elapsed_ns; - dev_dbg(dev, "suspend latency exceeded, %lld ns\n", - elapsed_ns); - genpd->max_off_time_changed = true; - td->constraint_changed = true; + if (runtime_pm) { + elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start)); + if (elapsed_ns > td->suspend_latency_ns) { + td->suspend_latency_ns = elapsed_ns; + dev_dbg(dev, "suspend latency exceeded, %lld ns\n", + elapsed_ns); + genpd->max_off_time_changed = true; + td->constraint_changed = true; + } } /* @@ -453,6 +463,7 @@ static int pm_genpd_runtime_resume(struct device *dev) { struct generic_pm_domain *genpd; struct gpd_timing_data *td = &dev_gpd_data(dev)->td; + bool runtime_pm = pm_runtime_enabled(dev); ktime_t time_start; s64 elapsed_ns; int ret; @@ -479,14 +490,14 @@ static int pm_genpd_runtime_resume(struct device *dev) out: /* Measure resume latency. */ - if (timed) + if (timed && runtime_pm) time_start = ktime_get(); genpd_start_dev(genpd, dev); genpd_restore_dev(genpd, dev); /* Update resume latency value if the measured time exceeds it. */ - if (timed) { + if (timed && runtime_pm) { elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start)); if (elapsed_ns > td->resume_latency_ns) { td->resume_latency_ns = elapsed_ns; diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 1710c26..9d626ac 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -963,6 +963,9 @@ void dpm_complete(pm_message_t state) } list_splice(&list, &dpm_list); mutex_unlock(&dpm_list_mtx); + + /* Allow device probing and trigger re-probing of deferred devices */ + device_unblock_probing(); trace_suspend_resume(TPS("dpm_complete"), state.event, false); } @@ -1624,6 +1627,20 @@ int dpm_prepare(pm_message_t state) trace_suspend_resume(TPS("dpm_prepare"), state.event, true); might_sleep(); + /* + * Give a chance for the known devices to complete their probes, before + * disable probing of devices. This sync point is important at least + * at boot time + hibernation restore. + */ + wait_for_device_probe(); + /* + * It is unsafe if probing of devices will happen during suspend or + * hibernation and system behavior will be unpredictable in this case. + * So, let's prohibit device's probing here and defer their probes + * instead. The normal behavior will be restored in dpm_complete(). + */ + device_block_probing(); + mutex_lock(&dpm_list_mtx); while (!list_empty(&dpm_list)) { struct device *dev = to_device(dpm_list.next); diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 998fa6b..8b06193 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -18,6 +18,7 @@ static inline void pm_runtime_early_init(struct device *dev) } extern void pm_runtime_init(struct device *dev); +extern void pm_runtime_reinit(struct device *dev); extern void pm_runtime_remove(struct device *dev); struct wake_irq { @@ -84,6 +85,7 @@ static inline void pm_runtime_early_init(struct device *dev) } static inline void pm_runtime_init(struct device *dev) {} +static inline void pm_runtime_reinit(struct device *dev) {} static inline void pm_runtime_remove(struct device *dev) {} static inline int dpm_sysfs_add(struct device *dev) { return 0; } diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index e1a10a0..4c70550 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -966,6 +966,30 @@ int __pm_runtime_resume(struct device *dev, int rpmflags) EXPORT_SYMBOL_GPL(__pm_runtime_resume); /** + * pm_runtime_get_if_in_use - Conditionally bump up the device's usage counter. + * @dev: Device to handle. + * + * Return -EINVAL if runtime PM is disabled for the device. + * + * If that's not the case and if the device's runtime PM status is RPM_ACTIVE + * and the runtime PM usage counter is nonzero, increment the counter and + * return 1. Otherwise return 0 without changing the counter. + */ +int pm_runtime_get_if_in_use(struct device *dev) +{ + unsigned long flags; + int retval; + + spin_lock_irqsave(&dev->power.lock, flags); + retval = dev->power.disable_depth > 0 ? -EINVAL : + dev->power.runtime_status == RPM_ACTIVE + && atomic_inc_not_zero(&dev->power.usage_count); + spin_unlock_irqrestore(&dev->power.lock, flags); + return retval; +} +EXPORT_SYMBOL_GPL(pm_runtime_get_if_in_use); + +/** * __pm_runtime_set_status - Set runtime PM status of a device. * @dev: Device to handle. * @status: New runtime PM status of the device. @@ -1390,18 +1414,32 @@ void pm_runtime_init(struct device *dev) } /** + * pm_runtime_reinit - Re-initialize runtime PM fields in given device object. + * @dev: Device object to re-initialize. + */ +void pm_runtime_reinit(struct device *dev) +{ + if (!pm_runtime_enabled(dev)) { + if (dev->power.runtime_status == RPM_ACTIVE) + pm_runtime_set_suspended(dev); + if (dev->power.irq_safe) { + spin_lock_irq(&dev->power.lock); + dev->power.irq_safe = 0; + spin_unlock_irq(&dev->power.lock); + if (dev->parent) + pm_runtime_put(dev->parent); + } + } +} + +/** * pm_runtime_remove - Prepare for removing a device from device hierarchy. * @dev: Device object being removed from device hierarchy. */ void pm_runtime_remove(struct device *dev) { __pm_runtime_disable(dev, false); - - /* Change the status back to 'suspended' to match the initial status. */ - if (dev->power.runtime_status == RPM_ACTIVE) - pm_runtime_set_suspended(dev); - if (dev->power.irq_safe && dev->parent) - pm_runtime_put(dev->parent); + pm_runtime_reinit(dev); } /** diff --git a/drivers/base/property.c b/drivers/base/property.c index 1325ff2..c359351 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -19,32 +19,14 @@ #include <linux/etherdevice.h> #include <linux/phy.h> -/** - * device_add_property_set - Add a collection of properties to a device object. - * @dev: Device to add properties to. - * @pset: Collection of properties to add. - * - * Associate a collection of device properties represented by @pset with @dev - * as its secondary firmware node. - */ -void device_add_property_set(struct device *dev, struct property_set *pset) -{ - if (!pset) - return; - - pset->fwnode.type = FWNODE_PDATA; - set_secondary_fwnode(dev, &pset->fwnode); -} -EXPORT_SYMBOL_GPL(device_add_property_set); - -static inline bool is_pset(struct fwnode_handle *fwnode) +static inline bool is_pset_node(struct fwnode_handle *fwnode) { return fwnode && fwnode->type == FWNODE_PDATA; } -static inline struct property_set *to_pset(struct fwnode_handle *fwnode) +static inline struct property_set *to_pset_node(struct fwnode_handle *fwnode) { - return is_pset(fwnode) ? + return is_pset_node(fwnode) ? container_of(fwnode, struct property_set, fwnode) : NULL; } @@ -63,45 +45,135 @@ static struct property_entry *pset_prop_get(struct property_set *pset, return NULL; } -static int pset_prop_read_array(struct property_set *pset, const char *name, - enum dev_prop_type type, void *val, size_t nval) +static void *pset_prop_find(struct property_set *pset, const char *propname, + size_t length) { struct property_entry *prop; - unsigned int item_size; + void *pointer; - prop = pset_prop_get(pset, name); + prop = pset_prop_get(pset, propname); if (!prop) - return -ENODATA; + return ERR_PTR(-EINVAL); + if (prop->is_array) + pointer = prop->pointer.raw_data; + else + pointer = &prop->value.raw_data; + if (!pointer) + return ERR_PTR(-ENODATA); + if (length > prop->length) + return ERR_PTR(-EOVERFLOW); + return pointer; +} + +static int pset_prop_read_u8_array(struct property_set *pset, + const char *propname, + u8 *values, size_t nval) +{ + void *pointer; + size_t length = nval * sizeof(*values); + + pointer = pset_prop_find(pset, propname, length); + if (IS_ERR(pointer)) + return PTR_ERR(pointer); + + memcpy(values, pointer, length); + return 0; +} + +static int pset_prop_read_u16_array(struct property_set *pset, + const char *propname, + u16 *values, size_t nval) +{ + void *pointer; + size_t length = nval * sizeof(*values); + + pointer = pset_prop_find(pset, propname, length); + if (IS_ERR(pointer)) + return PTR_ERR(pointer); + + memcpy(values, pointer, length); + return 0; +} + +static int pset_prop_read_u32_array(struct property_set *pset, + const char *propname, + u32 *values, size_t nval) +{ + void *pointer; + size_t length = nval * sizeof(*values); + + pointer = pset_prop_find(pset, propname, length); + if (IS_ERR(pointer)) + return PTR_ERR(pointer); + + memcpy(values, pointer, length); + return 0; +} + +static int pset_prop_read_u64_array(struct property_set *pset, + const char *propname, + u64 *values, size_t nval) +{ + void *pointer; + size_t length = nval * sizeof(*values); + + pointer = pset_prop_find(pset, propname, length); + if (IS_ERR(pointer)) + return PTR_ERR(pointer); + + memcpy(values, pointer, length); + return 0; +} + +static int pset_prop_count_elems_of_size(struct property_set *pset, + const char *propname, size_t length) +{ + struct property_entry *prop; + + prop = pset_prop_get(pset, propname); + if (!prop) + return -EINVAL; + + return prop->length / length; +} + +static int pset_prop_read_string_array(struct property_set *pset, + const char *propname, + const char **strings, size_t nval) +{ + void *pointer; + size_t length = nval * sizeof(*strings); + + pointer = pset_prop_find(pset, propname, length); + if (IS_ERR(pointer)) + return PTR_ERR(pointer); + + memcpy(strings, pointer, length); + return 0; +} + +static int pset_prop_read_string(struct property_set *pset, + const char *propname, const char **strings) +{ + struct property_entry *prop; + const char **pointer; - if (prop->type != type) - return -EPROTO; - - if (!val) - return prop->nval; - - if (prop->nval < nval) - return -EOVERFLOW; - - switch (type) { - case DEV_PROP_U8: - item_size = sizeof(u8); - break; - case DEV_PROP_U16: - item_size = sizeof(u16); - break; - case DEV_PROP_U32: - item_size = sizeof(u32); - break; - case DEV_PROP_U64: - item_size = sizeof(u64); - break; - case DEV_PROP_STRING: - item_size = sizeof(const char *); - break; - default: + prop = pset_prop_get(pset, propname); + if (!prop) return -EINVAL; + if (!prop->is_string) + return -EILSEQ; + if (prop->is_array) { + pointer = prop->pointer.str; + if (!pointer) + return -ENODATA; + } else { + pointer = &prop->value.str; + if (*pointer && strnlen(*pointer, prop->length) >= prop->length) + return -EILSEQ; } - memcpy(val, prop->value.raw_data, nval * item_size); + + *strings = *pointer; return 0; } @@ -124,6 +196,18 @@ bool device_property_present(struct device *dev, const char *propname) } EXPORT_SYMBOL_GPL(device_property_present); +static bool __fwnode_property_present(struct fwnode_handle *fwnode, + const char *propname) +{ + if (is_of_node(fwnode)) + return of_property_read_bool(to_of_node(fwnode), propname); + else if (is_acpi_node(fwnode)) + return !acpi_node_prop_get(fwnode, propname, NULL); + else if (is_pset_node(fwnode)) + return !!pset_prop_get(to_pset_node(fwnode), propname); + return false; +} + /** * fwnode_property_present - check if a property of a firmware node is present * @fwnode: Firmware node whose property to check @@ -131,12 +215,12 @@ EXPORT_SYMBOL_GPL(device_property_present); */ bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname) { - if (is_of_node(fwnode)) - return of_property_read_bool(to_of_node(fwnode), propname); - else if (is_acpi_node(fwnode)) - return !acpi_node_prop_get(fwnode, propname, NULL); + bool ret; - return !!pset_prop_get(to_pset(fwnode), propname); + ret = __fwnode_property_present(fwnode, propname); + if (ret == false && fwnode && fwnode->secondary) + ret = __fwnode_property_present(fwnode->secondary, propname); + return ret; } EXPORT_SYMBOL_GPL(fwnode_property_present); @@ -309,25 +393,40 @@ int device_property_match_string(struct device *dev, const char *propname, } EXPORT_SYMBOL_GPL(device_property_match_string); -#define OF_DEV_PROP_READ_ARRAY(node, propname, type, val, nval) \ - (val) ? of_property_read_##type##_array((node), (propname), (val), (nval)) \ +#define OF_DEV_PROP_READ_ARRAY(node, propname, type, val, nval) \ + (val) ? of_property_read_##type##_array((node), (propname), (val), (nval)) \ : of_property_count_elems_of_size((node), (propname), sizeof(type)) -#define FWNODE_PROP_READ_ARRAY(_fwnode_, _propname_, _type_, _proptype_, _val_, _nval_) \ -({ \ - int _ret_; \ - if (is_of_node(_fwnode_)) \ - _ret_ = OF_DEV_PROP_READ_ARRAY(to_of_node(_fwnode_), _propname_, \ - _type_, _val_, _nval_); \ - else if (is_acpi_node(_fwnode_)) \ - _ret_ = acpi_node_prop_read(_fwnode_, _propname_, _proptype_, \ - _val_, _nval_); \ - else if (is_pset(_fwnode_)) \ - _ret_ = pset_prop_read_array(to_pset(_fwnode_), _propname_, \ - _proptype_, _val_, _nval_); \ - else \ - _ret_ = -ENXIO; \ - _ret_; \ +#define PSET_PROP_READ_ARRAY(node, propname, type, val, nval) \ + (val) ? pset_prop_read_##type##_array((node), (propname), (val), (nval)) \ + : pset_prop_count_elems_of_size((node), (propname), sizeof(type)) + +#define FWNODE_PROP_READ(_fwnode_, _propname_, _type_, _proptype_, _val_, _nval_) \ +({ \ + int _ret_; \ + if (is_of_node(_fwnode_)) \ + _ret_ = OF_DEV_PROP_READ_ARRAY(to_of_node(_fwnode_), _propname_, \ + _type_, _val_, _nval_); \ + else if (is_acpi_node(_fwnode_)) \ + _ret_ = acpi_node_prop_read(_fwnode_, _propname_, _proptype_, \ + _val_, _nval_); \ + else if (is_pset_node(_fwnode_)) \ + _ret_ = PSET_PROP_READ_ARRAY(to_pset_node(_fwnode_), _propname_, \ + _type_, _val_, _nval_); \ + else \ + _ret_ = -ENXIO; \ + _ret_; \ +}) + +#define FWNODE_PROP_READ_ARRAY(_fwnode_, _propname_, _type_, _proptype_, _val_, _nval_) \ +({ \ + int _ret_; \ + _ret_ = FWNODE_PROP_READ(_fwnode_, _propname_, _type_, _proptype_, \ + _val_, _nval_); \ + if (_ret_ == -EINVAL && _fwnode_ && _fwnode_->secondary) \ + _ret_ = FWNODE_PROP_READ(_fwnode_->secondary, _propname_, _type_, \ + _proptype_, _val_, _nval_); \ + _ret_; \ }) /** @@ -434,6 +533,41 @@ int fwnode_property_read_u64_array(struct fwnode_handle *fwnode, } EXPORT_SYMBOL_GPL(fwnode_property_read_u64_array); +static int __fwnode_property_read_string_array(struct fwnode_handle *fwnode, + const char *propname, + const char **val, size_t nval) +{ + if (is_of_node(fwnode)) + return val ? + of_property_read_string_array(to_of_node(fwnode), + propname, val, nval) : + of_property_count_strings(to_of_node(fwnode), propname); + else if (is_acpi_node(fwnode)) + return acpi_node_prop_read(fwnode, propname, DEV_PROP_STRING, + val, nval); + else if (is_pset_node(fwnode)) + return val ? + pset_prop_read_string_array(to_pset_node(fwnode), + propname, val, nval) : + pset_prop_count_elems_of_size(to_pset_node(fwnode), + propname, + sizeof(const char *)); + return -ENXIO; +} + +static int __fwnode_property_read_string(struct fwnode_handle *fwnode, + const char *propname, const char **val) +{ + if (is_of_node(fwnode)) + return of_property_read_string(to_of_node(fwnode), propname, val); + else if (is_acpi_node(fwnode)) + return acpi_node_prop_read(fwnode, propname, DEV_PROP_STRING, + val, 1); + else if (is_pset_node(fwnode)) + return pset_prop_read_string(to_pset_node(fwnode), propname, val); + return -ENXIO; +} + /** * fwnode_property_read_string_array - return string array property of a node * @fwnode: Firmware node to get the property of @@ -456,18 +590,13 @@ int fwnode_property_read_string_array(struct fwnode_handle *fwnode, const char *propname, const char **val, size_t nval) { - if (is_of_node(fwnode)) - return val ? - of_property_read_string_array(to_of_node(fwnode), - propname, val, nval) : - of_property_count_strings(to_of_node(fwnode), propname); - else if (is_acpi_node(fwnode)) - return acpi_node_prop_read(fwnode, propname, DEV_PROP_STRING, - val, nval); - else if (is_pset(fwnode)) - return pset_prop_read_array(to_pset(fwnode), propname, - DEV_PROP_STRING, val, nval); - return -ENXIO; + int ret; + + ret = __fwnode_property_read_string_array(fwnode, propname, val, nval); + if (ret == -EINVAL && fwnode && fwnode->secondary) + ret = __fwnode_property_read_string_array(fwnode->secondary, + propname, val, nval); + return ret; } EXPORT_SYMBOL_GPL(fwnode_property_read_string_array); @@ -489,14 +618,13 @@ EXPORT_SYMBOL_GPL(fwnode_property_read_string_array); int fwnode_property_read_string(struct fwnode_handle *fwnode, const char *propname, const char **val) { - if (is_of_node(fwnode)) - return of_property_read_string(to_of_node(fwnode), propname, val); - else if (is_acpi_node(fwnode)) - return acpi_node_prop_read(fwnode, propname, DEV_PROP_STRING, - val, 1); + int ret; - return pset_prop_read_array(to_pset(fwnode), propname, - DEV_PROP_STRING, val, 1); + ret = __fwnode_property_read_string(fwnode, propname, val); + if (ret == -EINVAL && fwnode && fwnode->secondary) + ret = __fwnode_property_read_string(fwnode->secondary, + propname, val); + return ret; } EXPORT_SYMBOL_GPL(fwnode_property_read_string); @@ -525,6 +653,9 @@ int fwnode_property_match_string(struct fwnode_handle *fwnode, if (nval < 0) return nval; + if (nval == 0) + return -ENODATA; + values = kcalloc(nval, sizeof(*values), GFP_KERNEL); if (!values) return -ENOMEM; @@ -547,6 +678,182 @@ out: EXPORT_SYMBOL_GPL(fwnode_property_match_string); /** + * pset_free_set - releases memory allocated for copied property set + * @pset: Property set to release + * + * Function takes previously copied property set and releases all the + * memory allocated to it. + */ +static void pset_free_set(struct property_set *pset) +{ + const struct property_entry *prop; + size_t i, nval; + + if (!pset) + return; + + for (prop = pset->properties; prop->name; prop++) { + if (prop->is_array) { + if (prop->is_string && prop->pointer.str) { + nval = prop->length / sizeof(const char *); + for (i = 0; i < nval; i++) + kfree(prop->pointer.str[i]); + } + kfree(prop->pointer.raw_data); + } else if (prop->is_string) { + kfree(prop->value.str); + } + kfree(prop->name); + } + + kfree(pset->properties); + kfree(pset); +} + +static int pset_copy_entry(struct property_entry *dst, + const struct property_entry *src) +{ + const char **d, **s; + size_t i, nval; + + dst->name = kstrdup(src->name, GFP_KERNEL); + if (!dst->name) + return -ENOMEM; + + if (src->is_array) { + if (!src->length) + return -ENODATA; + + if (src->is_string) { + nval = src->length / sizeof(const char *); + dst->pointer.str = kcalloc(nval, sizeof(const char *), + GFP_KERNEL); + if (!dst->pointer.str) + return -ENOMEM; + + d = dst->pointer.str; + s = src->pointer.str; + for (i = 0; i < nval; i++) { + d[i] = kstrdup(s[i], GFP_KERNEL); + if (!d[i] && s[i]) + return -ENOMEM; + } + } else { + dst->pointer.raw_data = kmemdup(src->pointer.raw_data, + src->length, GFP_KERNEL); + if (!dst->pointer.raw_data) + return -ENOMEM; + } + } else if (src->is_string) { + dst->value.str = kstrdup(src->value.str, GFP_KERNEL); + if (!dst->value.str && src->value.str) + return -ENOMEM; + } else { + dst->value.raw_data = src->value.raw_data; + } + + dst->length = src->length; + dst->is_array = src->is_array; + dst->is_string = src->is_string; + + return 0; +} + +/** + * pset_copy_set - copies property set + * @pset: Property set to copy + * + * This function takes a deep copy of the given property set and returns + * pointer to the copy. Call device_free_property_set() to free resources + * allocated in this function. + * + * Return: Pointer to the new property set or error pointer. + */ +static struct property_set *pset_copy_set(const struct property_set *pset) +{ + const struct property_entry *entry; + struct property_set *p; + size_t i, n = 0; + + p = kzalloc(sizeof(*p), GFP_KERNEL); + if (!p) + return ERR_PTR(-ENOMEM); + + while (pset->properties[n].name) + n++; + + p->properties = kcalloc(n + 1, sizeof(*entry), GFP_KERNEL); + if (!p->properties) { + kfree(p); + return ERR_PTR(-ENOMEM); + } + + for (i = 0; i < n; i++) { + int ret = pset_copy_entry(&p->properties[i], + &pset->properties[i]); + if (ret) { + pset_free_set(p); + return ERR_PTR(ret); + } + } + + return p; +} + +/** + * device_remove_property_set - Remove properties from a device object. + * @dev: Device whose properties to remove. + * + * The function removes properties previously associated to the device + * secondary firmware node with device_add_property_set(). Memory allocated + * to the properties will also be released. + */ +void device_remove_property_set(struct device *dev) +{ + struct fwnode_handle *fwnode; + + fwnode = dev_fwnode(dev); + if (!fwnode) + return; + /* + * Pick either primary or secondary node depending which one holds + * the pset. If there is no real firmware node (ACPI/DT) primary + * will hold the pset. + */ + if (!is_pset_node(fwnode)) + fwnode = fwnode->secondary; + if (!IS_ERR(fwnode) && is_pset_node(fwnode)) + pset_free_set(to_pset_node(fwnode)); + set_secondary_fwnode(dev, NULL); +} +EXPORT_SYMBOL_GPL(device_remove_property_set); + +/** + * device_add_property_set - Add a collection of properties to a device object. + * @dev: Device to add properties to. + * @pset: Collection of properties to add. + * + * Associate a collection of device properties represented by @pset with @dev + * as its secondary firmware node. The function takes a copy of @pset. + */ +int device_add_property_set(struct device *dev, const struct property_set *pset) +{ + struct property_set *p; + + if (!pset) + return -EINVAL; + + p = pset_copy_set(pset); + if (IS_ERR(p)) + return PTR_ERR(p); + + p->fwnode.type = FWNODE_PDATA; + set_secondary_fwnode(dev, &p->fwnode); + return 0; +} +EXPORT_SYMBOL_GPL(device_add_property_set); + +/** * device_get_next_child_node - Return the next child node handle for a device * @dev: Device to find the next child node for. * @child: Handle to one of the device's child nodes or a null handle. diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 0c3940e..09e3c0d 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -219,6 +219,9 @@ static void end_cmd(struct nullb_cmd *cmd) { struct request_queue *q = NULL; + if (cmd->rq) + q = cmd->rq->q; + switch (queue_mode) { case NULL_Q_MQ: blk_mq_end_request(cmd->rq, 0); @@ -229,23 +232,19 @@ static void end_cmd(struct nullb_cmd *cmd) break; case NULL_Q_BIO: bio_endio(cmd->bio); - goto free_cmd; + break; } - if (cmd->rq) - q = cmd->rq->q; + free_cmd(cmd); /* Restart queue if needed, as we are freeing a tag */ - if (q && !q->mq_ops && blk_queue_stopped(q)) { + if (queue_mode == NULL_Q_RQ && blk_queue_stopped(q)) { unsigned long flags; spin_lock_irqsave(q->queue_lock, flags); - if (blk_queue_stopped(q)) - blk_start_queue(q); + blk_start_queue_async(q); spin_unlock_irqrestore(q->queue_lock, flags); } -free_cmd: - free_cmd(cmd); } static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) @@ -444,8 +443,9 @@ static void null_lnvm_end_io(struct request *rq, int error) blk_put_request(rq); } -static int null_lnvm_submit_io(struct request_queue *q, struct nvm_rq *rqd) +static int null_lnvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd) { + struct request_queue *q = dev->q; struct request *rq; struct bio *bio = rqd->bio; @@ -470,7 +470,7 @@ static int null_lnvm_submit_io(struct request_queue *q, struct nvm_rq *rqd) return 0; } -static int null_lnvm_id(struct request_queue *q, struct nvm_id *id) +static int null_lnvm_id(struct nvm_dev *dev, struct nvm_id *id) { sector_t size = gb * 1024 * 1024 * 1024ULL; sector_t blksize; @@ -523,7 +523,7 @@ static int null_lnvm_id(struct request_queue *q, struct nvm_id *id) return 0; } -static void *null_lnvm_create_dma_pool(struct request_queue *q, char *name) +static void *null_lnvm_create_dma_pool(struct nvm_dev *dev, char *name) { mempool_t *virtmem_pool; @@ -541,7 +541,7 @@ static void null_lnvm_destroy_dma_pool(void *pool) mempool_destroy(pool); } -static void *null_lnvm_dev_dma_alloc(struct request_queue *q, void *pool, +static void *null_lnvm_dev_dma_alloc(struct nvm_dev *dev, void *pool, gfp_t mem_flags, dma_addr_t *dma_handler) { return mempool_alloc(pool, mem_flags); @@ -765,7 +765,9 @@ out: static int __init null_init(void) { + int ret = 0; unsigned int i; + struct nullb *nullb; if (bs > PAGE_SIZE) { pr_warn("null_blk: invalid block size\n"); @@ -807,22 +809,29 @@ static int __init null_init(void) 0, 0, NULL); if (!ppa_cache) { pr_err("null_blk: unable to create ppa cache\n"); - return -ENOMEM; + ret = -ENOMEM; + goto err_ppa; } } for (i = 0; i < nr_devices; i++) { - if (null_add_dev()) { - unregister_blkdev(null_major, "nullb"); - goto err_ppa; - } + ret = null_add_dev(); + if (ret) + goto err_dev; } pr_info("null: module loaded\n"); return 0; -err_ppa: + +err_dev: + while (!list_empty(&nullb_list)) { + nullb = list_entry(nullb_list.next, struct nullb, list); + null_del_dev(nullb); + } kmem_cache_destroy(ppa_cache); - return -EINVAL; +err_ppa: + unregister_blkdev(null_major, "nullb"); + return ret; } static void __exit null_exit(void) diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index f909994..41fb1a9 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -950,6 +950,8 @@ static int xen_blkbk_parse_indirect(struct blkif_request *req, goto unmap; for (n = 0, i = 0; n < nseg; n++) { + uint8_t first_sect, last_sect; + if ((n % SEGS_PER_INDIRECT_FRAME) == 0) { /* Map indirect segments */ if (segments) @@ -957,15 +959,18 @@ static int xen_blkbk_parse_indirect(struct blkif_request *req, segments = kmap_atomic(pages[n/SEGS_PER_INDIRECT_FRAME]->page); } i = n % SEGS_PER_INDIRECT_FRAME; + pending_req->segments[n]->gref = segments[i].gref; - seg[n].nsec = segments[i].last_sect - - segments[i].first_sect + 1; - seg[n].offset = (segments[i].first_sect << 9); - if ((segments[i].last_sect >= (XEN_PAGE_SIZE >> 9)) || - (segments[i].last_sect < segments[i].first_sect)) { + + first_sect = READ_ONCE(segments[i].first_sect); + last_sect = READ_ONCE(segments[i].last_sect); + if (last_sect >= (XEN_PAGE_SIZE >> 9) || last_sect < first_sect) { rc = -EINVAL; goto unmap; } + + seg[n].nsec = last_sect - first_sect + 1; + seg[n].offset = first_sect << 9; preq->nr_sects += seg[n].nsec; } diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 68e87a0..c929ae2 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -408,8 +408,8 @@ static inline void blkif_get_x86_32_req(struct blkif_request *dst, struct blkif_x86_32_request *src) { int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST, j; - dst->operation = src->operation; - switch (src->operation) { + dst->operation = READ_ONCE(src->operation); + switch (dst->operation) { case BLKIF_OP_READ: case BLKIF_OP_WRITE: case BLKIF_OP_WRITE_BARRIER: @@ -456,8 +456,8 @@ static inline void blkif_get_x86_64_req(struct blkif_request *dst, struct blkif_x86_64_request *src) { int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST, j; - dst->operation = src->operation; - switch (src->operation) { + dst->operation = READ_ONCE(src->operation); + switch (dst->operation) { case BLKIF_OP_READ: case BLKIF_OP_WRITE: case BLKIF_OP_WRITE_BARRIER: diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c index 846bc29..25996e2 100644 --- a/drivers/bus/sunxi-rsb.c +++ b/drivers/bus/sunxi-rsb.c @@ -342,13 +342,13 @@ static int sunxi_rsb_read(struct sunxi_rsb *rsb, u8 rtaddr, u8 addr, ret = _sunxi_rsb_run_xfer(rsb); if (ret) - goto out; + goto unlock; *buf = readl(rsb->regs + RSB_DATA); +unlock: mutex_unlock(&rsb->lock); -out: return ret; } @@ -527,9 +527,9 @@ static int sunxi_rsb_init_device_mode(struct sunxi_rsb *rsb) */ static const struct sunxi_rsb_addr_map sunxi_rsb_addr_maps[] = { - { 0x3e3, 0x2d }, /* Primary PMIC: AXP223, AXP809, AXP81X, ... */ + { 0x3a3, 0x2d }, /* Primary PMIC: AXP223, AXP809, AXP81X, ... */ { 0x745, 0x3a }, /* Secondary PMIC: AXP806, ... */ - { 0xe89, 0x45 }, /* Peripheral IC: AC100, ... */ + { 0xe89, 0x4e }, /* Peripheral IC: AC100, ... */ }; static u8 sunxi_rsb_get_rtaddr(u16 hwaddr) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 55fe902..4cc72fa 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -1230,14 +1230,14 @@ static int smi_start_processing(void *send_info, new_smi->intf = intf; - /* Try to claim any interrupts. */ - if (new_smi->irq_setup) - new_smi->irq_setup(new_smi); - /* Set up the timer that drives the interface. */ setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi); smi_mod_timer(new_smi, jiffies + SI_TIMEOUT_JIFFIES); + /* Try to claim any interrupts. */ + if (new_smi->irq_setup) + new_smi->irq_setup(new_smi); + /* * Check if the user forcefully enabled the daemon. */ diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c index 10819e2..335322d 100644 --- a/drivers/clk/clk-gpio.c +++ b/drivers/clk/clk-gpio.c @@ -209,6 +209,8 @@ EXPORT_SYMBOL_GPL(clk_register_gpio_mux); struct clk_gpio_delayed_register_data { const char *gpio_name; + int num_parents; + const char **parent_names; struct device_node *node; struct mutex lock; struct clk *clk; @@ -222,8 +224,6 @@ static struct clk *of_clk_gpio_delayed_register_get( { struct clk_gpio_delayed_register_data *data = _data; struct clk *clk; - const char **parent_names; - int i, num_parents; int gpio; enum of_gpio_flags of_flags; @@ -248,26 +248,14 @@ static struct clk *of_clk_gpio_delayed_register_get( return ERR_PTR(gpio); } - num_parents = of_clk_get_parent_count(data->node); - - parent_names = kcalloc(num_parents, sizeof(char *), GFP_KERNEL); - if (!parent_names) { - clk = ERR_PTR(-ENOMEM); - goto out; - } - - for (i = 0; i < num_parents; i++) - parent_names[i] = of_clk_get_parent_name(data->node, i); - - clk = data->clk_register_get(data->node->name, parent_names, - num_parents, gpio, of_flags & OF_GPIO_ACTIVE_LOW); + clk = data->clk_register_get(data->node->name, data->parent_names, + data->num_parents, gpio, of_flags & OF_GPIO_ACTIVE_LOW); if (IS_ERR(clk)) goto out; data->clk = clk; out: mutex_unlock(&data->lock); - kfree(parent_names); return clk; } @@ -296,11 +284,24 @@ static void __init of_gpio_clk_setup(struct device_node *node, unsigned gpio, bool active_low)) { struct clk_gpio_delayed_register_data *data; + const char **parent_names; + int i, num_parents; data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) return; + num_parents = of_clk_get_parent_count(node); + + parent_names = kcalloc(num_parents, sizeof(char *), GFP_KERNEL); + if (!parent_names) + return; + + for (i = 0; i < num_parents; i++) + parent_names[i] = of_clk_get_parent_name(node, i); + + data->num_parents = num_parents; + data->parent_names = parent_names; data->node = node; data->gpio_name = gpio_name; data->clk_register_get = clk_register_get; diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index 1ab0fb8..7bc1c45 100644 --- a/drivers/clk/clk-qoriq.c +++ b/drivers/clk/clk-qoriq.c @@ -778,8 +778,10 @@ static struct clk * __init create_one_cmux(struct clockgen *cg, int idx) */ clksel = (cg_in(cg, hwc->reg) & CLKSEL_MASK) >> CLKSEL_SHIFT; div = get_pll_div(cg, hwc, clksel); - if (!div) + if (!div) { + kfree(hwc); return NULL; + } pct80_rate = clk_get_rate(div->clk); pct80_rate *= 8; diff --git a/drivers/clk/clk-scpi.c b/drivers/clk/clk-scpi.c index 0b501a9..cd0f272 100644 --- a/drivers/clk/clk-scpi.c +++ b/drivers/clk/clk-scpi.c @@ -292,6 +292,7 @@ static int scpi_clocks_probe(struct platform_device *pdev) ret = scpi_clk_add(dev, child, match); if (ret) { scpi_clocks_remove(pdev); + of_node_put(child); return ret; } } diff --git a/drivers/clk/imx/clk-pllv1.c b/drivers/clk/imx/clk-pllv1.c index 8564e43..82fe366 100644 --- a/drivers/clk/imx/clk-pllv1.c +++ b/drivers/clk/imx/clk-pllv1.c @@ -52,7 +52,7 @@ static unsigned long clk_pllv1_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { struct clk_pllv1 *pll = to_clk_pllv1(hw); - long long ll; + unsigned long long ull; int mfn_abs; unsigned int mfi, mfn, mfd, pd; u32 reg; @@ -94,16 +94,16 @@ static unsigned long clk_pllv1_recalc_rate(struct clk_hw *hw, rate = parent_rate * 2; rate /= pd + 1; - ll = (unsigned long long)rate * mfn_abs; + ull = (unsigned long long)rate * mfn_abs; - do_div(ll, mfd + 1); + do_div(ull, mfd + 1); if (mfn_is_negative(pll, mfn)) - ll = -ll; + ull = (rate * mfi) - ull; + else + ull = (rate * mfi) + ull; - ll = (rate * mfi) + ll; - - return ll; + return ull; } static struct clk_ops clk_pllv1_ops = { diff --git a/drivers/clk/imx/clk-pllv2.c b/drivers/clk/imx/clk-pllv2.c index b18f875..4aeda56 100644 --- a/drivers/clk/imx/clk-pllv2.c +++ b/drivers/clk/imx/clk-pllv2.c @@ -79,7 +79,7 @@ static unsigned long __clk_pllv2_recalc_rate(unsigned long parent_rate, { long mfi, mfn, mfd, pdf, ref_clk; unsigned long dbl; - s64 temp; + u64 temp; dbl = dp_ctl & MXC_PLL_DP_CTL_DPDCK0_2_EN; @@ -98,8 +98,9 @@ static unsigned long __clk_pllv2_recalc_rate(unsigned long parent_rate, temp = (u64) ref_clk * abs(mfn); do_div(temp, mfd + 1); if (mfn < 0) - temp = -temp; - temp = (ref_clk * mfi) + temp; + temp = (ref_clk * mfi) - temp; + else + temp = (ref_clk * mfi) + temp; return temp; } @@ -126,7 +127,7 @@ static int __clk_pllv2_set_rate(unsigned long rate, unsigned long parent_rate, { u32 reg; long mfi, pdf, mfn, mfd = 999999; - s64 temp64; + u64 temp64; unsigned long quad_parent_rate; quad_parent_rate = 4 * parent_rate; diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c index d1b1c95..0a94d96 100644 --- a/drivers/clk/imx/clk-vf610.c +++ b/drivers/clk/imx/clk-vf610.c @@ -335,22 +335,22 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_SAI0_SEL] = imx_clk_mux("sai0_sel", CCM_CSCMR1, 0, 2, sai_sels, 4); clk[VF610_CLK_SAI0_EN] = imx_clk_gate("sai0_en", "sai0_sel", CCM_CSCDR1, 16); clk[VF610_CLK_SAI0_DIV] = imx_clk_divider("sai0_div", "sai0_en", CCM_CSCDR1, 0, 4); - clk[VF610_CLK_SAI0] = imx_clk_gate2("sai0", "sai0_div", CCM_CCGR0, CCM_CCGRx_CGn(15)); + clk[VF610_CLK_SAI0] = imx_clk_gate2("sai0", "ipg_bus", CCM_CCGR0, CCM_CCGRx_CGn(15)); clk[VF610_CLK_SAI1_SEL] = imx_clk_mux("sai1_sel", CCM_CSCMR1, 2, 2, sai_sels, 4); clk[VF610_CLK_SAI1_EN] = imx_clk_gate("sai1_en", "sai1_sel", CCM_CSCDR1, 17); clk[VF610_CLK_SAI1_DIV] = imx_clk_divider("sai1_div", "sai1_en", CCM_CSCDR1, 4, 4); - clk[VF610_CLK_SAI1] = imx_clk_gate2("sai1", "sai1_div", CCM_CCGR1, CCM_CCGRx_CGn(0)); + clk[VF610_CLK_SAI1] = imx_clk_gate2("sai1", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(0)); clk[VF610_CLK_SAI2_SEL] = imx_clk_mux("sai2_sel", CCM_CSCMR1, 4, 2, sai_sels, 4); clk[VF610_CLK_SAI2_EN] = imx_clk_gate("sai2_en", "sai2_sel", CCM_CSCDR1, 18); clk[VF610_CLK_SAI2_DIV] = imx_clk_divider("sai2_div", "sai2_en", CCM_CSCDR1, 8, 4); - clk[VF610_CLK_SAI2] = imx_clk_gate2("sai2", "sai2_div", CCM_CCGR1, CCM_CCGRx_CGn(1)); + clk[VF610_CLK_SAI2] = imx_clk_gate2("sai2", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(1)); clk[VF610_CLK_SAI3_SEL] = imx_clk_mux("sai3_sel", CCM_CSCMR1, 6, 2, sai_sels, 4); clk[VF610_CLK_SAI3_EN] = imx_clk_gate("sai3_en", "sai3_sel", CCM_CSCDR1, 19); clk[VF610_CLK_SAI3_DIV] = imx_clk_divider("sai3_div", "sai3_en", CCM_CSCDR1, 12, 4); - clk[VF610_CLK_SAI3] = imx_clk_gate2("sai3", "sai3_div", CCM_CCGR1, CCM_CCGRx_CGn(2)); + clk[VF610_CLK_SAI3] = imx_clk_gate2("sai3", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(2)); clk[VF610_CLK_NFC_SEL] = imx_clk_mux("nfc_sel", CCM_CSCMR1, 12, 2, nfc_sels, 4); clk[VF610_CLK_NFC_EN] = imx_clk_gate("nfc_en", "nfc_sel", CCM_CSCDR2, 9); diff --git a/drivers/clk/mmp/clk-mmp2.c b/drivers/clk/mmp/clk-mmp2.c index 09d2832..71fd293 100644 --- a/drivers/clk/mmp/clk-mmp2.c +++ b/drivers/clk/mmp/clk-mmp2.c @@ -9,6 +9,7 @@ * warranty of any kind, whether express or implied. */ +#include <linux/clk.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/spinlock.h> diff --git a/drivers/clk/mmp/clk-pxa168.c b/drivers/clk/mmp/clk-pxa168.c index 93e967c..7524491 100644 --- a/drivers/clk/mmp/clk-pxa168.c +++ b/drivers/clk/mmp/clk-pxa168.c @@ -9,6 +9,7 @@ * warranty of any kind, whether express or implied. */ +#include <linux/clk.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/spinlock.h> diff --git a/drivers/clk/mmp/clk-pxa910.c b/drivers/clk/mmp/clk-pxa910.c index 993abcd..37ba04b 100644 --- a/drivers/clk/mmp/clk-pxa910.c +++ b/drivers/clk/mmp/clk-pxa910.c @@ -9,6 +9,7 @@ * warranty of any kind, whether express or implied. */ +#include <linux/clk.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/spinlock.h> diff --git a/drivers/clk/sunxi/clk-a10-pll2.c b/drivers/clk/sunxi/clk-a10-pll2.c index 5484c31e..0ee1f36 100644 --- a/drivers/clk/sunxi/clk-a10-pll2.c +++ b/drivers/clk/sunxi/clk-a10-pll2.c @@ -41,15 +41,10 @@ #define SUN4I_PLL2_OUTPUTS 4 -struct sun4i_pll2_data { - u32 post_div_offset; - u32 pre_div_flags; -}; - static DEFINE_SPINLOCK(sun4i_a10_pll2_lock); static void __init sun4i_pll2_setup(struct device_node *node, - struct sun4i_pll2_data *data) + int post_div_offset) { const char *clk_name = node->name, *parent; struct clk **clks, *base_clk, *prediv_clk; @@ -76,7 +71,7 @@ static void __init sun4i_pll2_setup(struct device_node *node, parent, 0, reg, SUN4I_PLL2_PRE_DIV_SHIFT, SUN4I_PLL2_PRE_DIV_WIDTH, - data->pre_div_flags, + CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, &sun4i_a10_pll2_lock); if (!prediv_clk) { pr_err("Couldn't register the prediv clock\n"); @@ -127,7 +122,7 @@ static void __init sun4i_pll2_setup(struct device_node *node, */ val = readl(reg); val &= ~(SUN4I_PLL2_POST_DIV_MASK << SUN4I_PLL2_POST_DIV_SHIFT); - val |= (SUN4I_PLL2_POST_DIV_VALUE - data->post_div_offset) << SUN4I_PLL2_POST_DIV_SHIFT; + val |= (SUN4I_PLL2_POST_DIV_VALUE - post_div_offset) << SUN4I_PLL2_POST_DIV_SHIFT; writel(val, reg); of_property_read_string_index(node, "clock-output-names", @@ -191,25 +186,17 @@ err_unmap: iounmap(reg); } -static struct sun4i_pll2_data sun4i_a10_pll2_data = { - .pre_div_flags = CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, -}; - static void __init sun4i_a10_pll2_setup(struct device_node *node) { - sun4i_pll2_setup(node, &sun4i_a10_pll2_data); + sun4i_pll2_setup(node, 0); } CLK_OF_DECLARE(sun4i_a10_pll2, "allwinner,sun4i-a10-pll2-clk", sun4i_a10_pll2_setup); -static struct sun4i_pll2_data sun5i_a13_pll2_data = { - .post_div_offset = 1, -}; - static void __init sun5i_a13_pll2_setup(struct device_node *node) { - sun4i_pll2_setup(node, &sun5i_a13_pll2_data); + sun4i_pll2_setup(node, 1); } CLK_OF_DECLARE(sun5i_a13_pll2, "allwinner,sun5i-a13-pll2-clk", diff --git a/drivers/clk/ti/clk-816x.c b/drivers/clk/ti/clk-816x.c index 1dfad0c..2a5d84f 100644 --- a/drivers/clk/ti/clk-816x.c +++ b/drivers/clk/ti/clk-816x.c @@ -20,6 +20,8 @@ static struct ti_dt_clk dm816x_clks[] = { DT_CLK(NULL, "sys_clkin", "sys_clkin_ck"), DT_CLK(NULL, "timer_sys_ck", "sys_clkin_ck"), DT_CLK(NULL, "sys_32k_ck", "sys_32k_ck"), + DT_CLK(NULL, "timer_32k_ck", "sysclk18_ck"), + DT_CLK(NULL, "timer_ext_ck", "tclkin_ck"), DT_CLK(NULL, "mpu_ck", "mpu_ck"), DT_CLK(NULL, "timer1_fck", "timer1_fck"), DT_CLK(NULL, "timer2_fck", "timer2_fck"), diff --git a/drivers/clk/ti/clkt_dpll.c b/drivers/clk/ti/clkt_dpll.c index 9023ca9..b5cc6f6 100644 --- a/drivers/clk/ti/clkt_dpll.c +++ b/drivers/clk/ti/clkt_dpll.c @@ -240,7 +240,7 @@ u8 omap2_init_dpll_parent(struct clk_hw *hw) */ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk) { - long long dpll_clk; + u64 dpll_clk; u32 dpll_mult, dpll_div, v; struct dpll_data *dd; @@ -262,7 +262,7 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk) dpll_div = v & dd->div1_mask; dpll_div >>= __ffs(dd->div1_mask); - dpll_clk = (long long)clk_get_rate(dd->clk_ref) * dpll_mult; + dpll_clk = (u64)clk_get_rate(dd->clk_ref) * dpll_mult; do_div(dpll_clk, dpll_div + 1); return dpll_clk; diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c index 5b17268..df25583 100644 --- a/drivers/clk/ti/divider.c +++ b/drivers/clk/ti/divider.c @@ -214,7 +214,6 @@ static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, { struct clk_divider *divider; unsigned int div, value; - unsigned long flags = 0; u32 val; if (!hw || !rate) @@ -228,9 +227,6 @@ static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, if (value > div_mask(divider)) value = div_mask(divider); - if (divider->lock) - spin_lock_irqsave(divider->lock, flags); - if (divider->flags & CLK_DIVIDER_HIWORD_MASK) { val = div_mask(divider) << (divider->shift + 16); } else { @@ -240,9 +236,6 @@ static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, val |= value << divider->shift; ti_clk_ll_ops->clk_writel(val, divider->reg); - if (divider->lock) - spin_unlock_irqrestore(divider->lock, flags); - return 0; } @@ -256,8 +249,7 @@ static struct clk *_register_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, - const struct clk_div_table *table, - spinlock_t *lock) + const struct clk_div_table *table) { struct clk_divider *div; struct clk *clk; @@ -288,7 +280,6 @@ static struct clk *_register_divider(struct device *dev, const char *name, div->shift = shift; div->width = width; div->flags = clk_divider_flags; - div->lock = lock; div->hw.init = &init; div->table = table; @@ -421,7 +412,7 @@ struct clk *ti_clk_register_divider(struct ti_clk *setup) clk = _register_divider(NULL, setup->name, div->parent, flags, (void __iomem *)reg, div->bit_shift, - width, div_flags, table, NULL); + width, div_flags, table); if (IS_ERR(clk)) kfree(table); @@ -584,8 +575,7 @@ static void __init of_ti_divider_clk_setup(struct device_node *node) goto cleanup; clk = _register_divider(NULL, node->name, parent_name, flags, reg, - shift, width, clk_divider_flags, table, - NULL); + shift, width, clk_divider_flags, table); if (!IS_ERR(clk)) { of_clk_add_provider(node, of_clk_src_simple_get, clk); diff --git a/drivers/clk/ti/fapll.c b/drivers/clk/ti/fapll.c index f4b2e98..66a0d0e 100644 --- a/drivers/clk/ti/fapll.c +++ b/drivers/clk/ti/fapll.c @@ -168,7 +168,7 @@ static unsigned long ti_fapll_recalc_rate(struct clk_hw *hw, { struct fapll_data *fd = to_fapll(hw); u32 fapll_n, fapll_p, v; - long long rate; + u64 rate; if (ti_fapll_clock_is_bypass(fd)) return parent_rate; @@ -314,7 +314,7 @@ static unsigned long ti_fapll_synth_recalc_rate(struct clk_hw *hw, { struct fapll_synth *synth = to_synth(hw); u32 synth_div_m; - long long rate; + u64 rate; /* The audio_pll_clk1 is hardwired to produce 32.768KiHz clock */ if (!synth->div) diff --git a/drivers/clk/ti/mux.c b/drivers/clk/ti/mux.c index 69f08a1..dab9ba8 100644 --- a/drivers/clk/ti/mux.c +++ b/drivers/clk/ti/mux.c @@ -69,7 +69,6 @@ static int ti_clk_mux_set_parent(struct clk_hw *hw, u8 index) { struct clk_mux *mux = to_clk_mux(hw); u32 val; - unsigned long flags = 0; if (mux->table) { index = mux->table[index]; @@ -81,9 +80,6 @@ static int ti_clk_mux_set_parent(struct clk_hw *hw, u8 index) index++; } - if (mux->lock) - spin_lock_irqsave(mux->lock, flags); - if (mux->flags & CLK_MUX_HIWORD_MASK) { val = mux->mask << (mux->shift + 16); } else { @@ -93,9 +89,6 @@ static int ti_clk_mux_set_parent(struct clk_hw *hw, u8 index) val |= index << mux->shift; ti_clk_ll_ops->clk_writel(val, mux->reg); - if (mux->lock) - spin_unlock_irqrestore(mux->lock, flags); - return 0; } @@ -109,7 +102,7 @@ static struct clk *_register_mux(struct device *dev, const char *name, const char **parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 shift, u32 mask, u8 clk_mux_flags, - u32 *table, spinlock_t *lock) + u32 *table) { struct clk_mux *mux; struct clk *clk; @@ -133,7 +126,6 @@ static struct clk *_register_mux(struct device *dev, const char *name, mux->shift = shift; mux->mask = mask; mux->flags = clk_mux_flags; - mux->lock = lock; mux->table = table; mux->hw.init = &init; @@ -175,7 +167,7 @@ struct clk *ti_clk_register_mux(struct ti_clk *setup) return _register_mux(NULL, setup->name, mux->parents, mux->num_parents, flags, (void __iomem *)reg, mux->bit_shift, mask, - mux_flags, NULL, NULL); + mux_flags, NULL); } /** @@ -227,8 +219,7 @@ static void of_mux_clk_setup(struct device_node *node) mask = (1 << fls(mask)) - 1; clk = _register_mux(NULL, node->name, parent_names, num_parents, - flags, reg, shift, mask, clk_mux_flags, NULL, - NULL); + flags, reg, shift, mask, clk_mux_flags, NULL); if (!IS_ERR(clk)) of_clk_add_provider(node, of_clk_src_simple_get, clk); diff --git a/drivers/clocksource/mmio.c b/drivers/clocksource/mmio.c index 1593ade..c4f7d7a 100644 --- a/drivers/clocksource/mmio.c +++ b/drivers/clocksource/mmio.c @@ -55,7 +55,7 @@ int __init clocksource_mmio_init(void __iomem *base, const char *name, { struct clocksource_mmio *cs; - if (bits > 32 || bits < 16) + if (bits > 64 || bits < 16) return -EINVAL; cs = kzalloc(sizeof(struct clocksource_mmio), GFP_KERNEL); diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index d7373ca..25693b0 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -179,26 +179,21 @@ static int cn_call_callback(struct sk_buff *skb) * * It checks skb, netlink header and msg sizes, and calls callback helper. */ -static void cn_rx_skb(struct sk_buff *__skb) +static void cn_rx_skb(struct sk_buff *skb) { struct nlmsghdr *nlh; - struct sk_buff *skb; int len, err; - skb = skb_get(__skb); - if (skb->len >= NLMSG_HDRLEN) { nlh = nlmsg_hdr(skb); len = nlmsg_len(nlh); if (len < (int)sizeof(struct cn_msg) || skb->len < nlh->nlmsg_len || - len > CONNECTOR_MAX_MSG_SIZE) { - kfree_skb(skb); + len > CONNECTOR_MAX_MSG_SIZE) return; - } - err = cn_call_callback(skb); + err = cn_call_callback(skb_get(skb)); if (err < 0) kfree_skb(skb); } diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 235a1ba..b1f8a73 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -226,7 +226,7 @@ config ARM_TEGRA20_CPUFREQ config ARM_TEGRA124_CPUFREQ tristate "Tegra124 CPUFreq support" - depends on ARCH_TEGRA && CPUFREQ_DT + depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR default y help This adds the CPUFreq driver support for Tegra124 SOCs. diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 4d07cbd..98fb882 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1123,7 +1123,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) limits->max_sysfs_pct); limits->max_perf_pct = max(limits->min_policy_pct, limits->max_perf_pct); - limits->max_perf = round_up(limits->max_perf, 8); + limits->max_perf = round_up(limits->max_perf, FRAC_BITS); /* Make sure min_perf_pct <= max_perf_pct */ limits->min_perf_pct = min(limits->max_perf_pct, limits->min_perf_pct); diff --git a/drivers/cpufreq/s3c24xx-cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c index 733aa51..68ef8fd 100644 --- a/drivers/cpufreq/s3c24xx-cpufreq.c +++ b/drivers/cpufreq/s3c24xx-cpufreq.c @@ -648,7 +648,7 @@ late_initcall(s3c_cpufreq_initcall); * * Register the given set of PLLs with the system. */ -int __init s3c_plltab_register(struct cpufreq_frequency_table *plls, +int s3c_plltab_register(struct cpufreq_frequency_table *plls, unsigned int plls_no) { struct cpufreq_frequency_table *vals; diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index 2c3b16f..de5e89b 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -31,7 +31,7 @@ static struct scpi_ops *scpi_ops; static struct scpi_dvfs_info *scpi_get_dvfs_info(struct device *cpu_dev) { - u8 domain = topology_physical_package_id(cpu_dev->id); + int domain = topology_physical_package_id(cpu_dev->id); if (domain < 0) return ERR_PTR(-EINVAL); diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 7f039de..370c661 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -156,7 +156,7 @@ #define AT_XDMAC_CC_WRIP (0x1 << 23) /* Write in Progress (read only) */ #define AT_XDMAC_CC_WRIP_DONE (0x0 << 23) #define AT_XDMAC_CC_WRIP_IN_PROGRESS (0x1 << 23) -#define AT_XDMAC_CC_PERID(i) (0x7f & (h) << 24) /* Channel Peripheral Identifier */ +#define AT_XDMAC_CC_PERID(i) (0x7f & (i) << 24) /* Channel Peripheral Identifier */ #define AT_XDMAC_CDS_MSP 0x2C /* Channel Data Stride Memory Set Pattern */ #define AT_XDMAC_CSUS 0x30 /* Channel Source Microblock Stride */ #define AT_XDMAC_CDUS 0x34 /* Channel Destination Microblock Stride */ @@ -965,7 +965,9 @@ at_xdmac_prep_interleaved(struct dma_chan *chan, NULL, src_addr, dst_addr, xt, xt->sgl); - for (i = 0; i < xt->numf; i++) + + /* Length of the block is (BLEN+1) microblocks. */ + for (i = 0; i < xt->numf - 1; i++) at_xdmac_increment_block_count(chan, first); dev_dbg(chan2dev(chan), "%s: add desc 0x%p to descs_list 0x%p\n", @@ -1086,6 +1088,7 @@ at_xdmac_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, /* Check remaining length and change data width if needed. */ dwidth = at_xdmac_align_width(chan, src_addr | dst_addr | xfer_size); + chan_cc &= ~AT_XDMAC_CC_DWIDTH_MASK; chan_cc |= AT_XDMAC_CC_DWIDTH(dwidth); ublen = xfer_size >> dwidth; @@ -1333,7 +1336,7 @@ at_xdmac_prep_dma_memset_sg(struct dma_chan *chan, struct scatterlist *sgl, * since we don't care about the stride anymore. */ if ((i == (sg_len - 1)) && - sg_dma_len(ppsg) == sg_dma_len(psg)) { + sg_dma_len(psg) == sg_dma_len(sg)) { dev_dbg(chan2dev(chan), "%s: desc 0x%p can be merged with desc 0x%p\n", __func__, desc, pdesc); diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index c92d6a7..996c4b0 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -31,6 +31,7 @@ */ #include <linux/dmaengine.h> #include <linux/dma-mapping.h> +#include <linux/dmapool.h> #include <linux/err.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -62,6 +63,11 @@ struct bcm2835_dma_cb { uint32_t pad[2]; }; +struct bcm2835_cb_entry { + struct bcm2835_dma_cb *cb; + dma_addr_t paddr; +}; + struct bcm2835_chan { struct virt_dma_chan vc; struct list_head node; @@ -72,18 +78,18 @@ struct bcm2835_chan { int ch; struct bcm2835_desc *desc; + struct dma_pool *cb_pool; void __iomem *chan_base; int irq_number; }; struct bcm2835_desc { + struct bcm2835_chan *c; struct virt_dma_desc vd; enum dma_transfer_direction dir; - unsigned int control_block_size; - struct bcm2835_dma_cb *control_block_base; - dma_addr_t control_block_base_phys; + struct bcm2835_cb_entry *cb_list; unsigned int frames; size_t size; @@ -143,10 +149,13 @@ static inline struct bcm2835_desc *to_bcm2835_dma_desc( static void bcm2835_dma_desc_free(struct virt_dma_desc *vd) { struct bcm2835_desc *desc = container_of(vd, struct bcm2835_desc, vd); - dma_free_coherent(desc->vd.tx.chan->device->dev, - desc->control_block_size, - desc->control_block_base, - desc->control_block_base_phys); + int i; + + for (i = 0; i < desc->frames; i++) + dma_pool_free(desc->c->cb_pool, desc->cb_list[i].cb, + desc->cb_list[i].paddr); + + kfree(desc->cb_list); kfree(desc); } @@ -199,7 +208,7 @@ static void bcm2835_dma_start_desc(struct bcm2835_chan *c) c->desc = d = to_bcm2835_dma_desc(&vd->tx); - writel(d->control_block_base_phys, c->chan_base + BCM2835_DMA_ADDR); + writel(d->cb_list[0].paddr, c->chan_base + BCM2835_DMA_ADDR); writel(BCM2835_DMA_ACTIVE, c->chan_base + BCM2835_DMA_CS); } @@ -232,9 +241,16 @@ static irqreturn_t bcm2835_dma_callback(int irq, void *data) static int bcm2835_dma_alloc_chan_resources(struct dma_chan *chan) { struct bcm2835_chan *c = to_bcm2835_dma_chan(chan); + struct device *dev = c->vc.chan.device->dev; + + dev_dbg(dev, "Allocating DMA channel %d\n", c->ch); - dev_dbg(c->vc.chan.device->dev, - "Allocating DMA channel %d\n", c->ch); + c->cb_pool = dma_pool_create(dev_name(dev), dev, + sizeof(struct bcm2835_dma_cb), 0, 0); + if (!c->cb_pool) { + dev_err(dev, "unable to allocate descriptor pool\n"); + return -ENOMEM; + } return request_irq(c->irq_number, bcm2835_dma_callback, 0, "DMA IRQ", c); @@ -246,6 +262,7 @@ static void bcm2835_dma_free_chan_resources(struct dma_chan *chan) vchan_free_chan_resources(&c->vc); free_irq(c->irq_number, c); + dma_pool_destroy(c->cb_pool); dev_dbg(c->vc.chan.device->dev, "Freeing DMA channel %u\n", c->ch); } @@ -261,8 +278,7 @@ static size_t bcm2835_dma_desc_size_pos(struct bcm2835_desc *d, dma_addr_t addr) size_t size; for (size = i = 0; i < d->frames; i++) { - struct bcm2835_dma_cb *control_block = - &d->control_block_base[i]; + struct bcm2835_dma_cb *control_block = d->cb_list[i].cb; size_t this_size = control_block->length; dma_addr_t dma; @@ -343,6 +359,7 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep_dma_cyclic( dma_addr_t dev_addr; unsigned int es, sync_type; unsigned int frame; + int i; /* Grab configuration */ if (!is_slave_direction(direction)) { @@ -374,27 +391,31 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep_dma_cyclic( if (!d) return NULL; + d->c = c; d->dir = direction; d->frames = buf_len / period_len; - /* Allocate memory for control blocks */ - d->control_block_size = d->frames * sizeof(struct bcm2835_dma_cb); - d->control_block_base = dma_zalloc_coherent(chan->device->dev, - d->control_block_size, &d->control_block_base_phys, - GFP_NOWAIT); - - if (!d->control_block_base) { + d->cb_list = kcalloc(d->frames, sizeof(*d->cb_list), GFP_KERNEL); + if (!d->cb_list) { kfree(d); return NULL; } + /* Allocate memory for control blocks */ + for (i = 0; i < d->frames; i++) { + struct bcm2835_cb_entry *cb_entry = &d->cb_list[i]; + + cb_entry->cb = dma_pool_zalloc(c->cb_pool, GFP_ATOMIC, + &cb_entry->paddr); + if (!cb_entry->cb) + goto error_cb; + } /* * Iterate over all frames, create a control block * for each frame and link them together. */ for (frame = 0; frame < d->frames; frame++) { - struct bcm2835_dma_cb *control_block = - &d->control_block_base[frame]; + struct bcm2835_dma_cb *control_block = d->cb_list[frame].cb; /* Setup adresses */ if (d->dir == DMA_DEV_TO_MEM) { @@ -428,12 +449,21 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep_dma_cyclic( * This DMA engine driver currently only supports cyclic DMA. * Therefore, wrap around at number of frames. */ - control_block->next = d->control_block_base_phys + - sizeof(struct bcm2835_dma_cb) - * ((frame + 1) % d->frames); + control_block->next = d->cb_list[((frame + 1) % d->frames)].paddr; } return vchan_tx_prep(&c->vc, &d->vd, flags); +error_cb: + i--; + for (; i >= 0; i--) { + struct bcm2835_cb_entry *cb_entry = &d->cb_list[i]; + + dma_pool_free(c->cb_pool, cb_entry->cb, cb_entry->paddr); + } + + kfree(d->cb_list); + kfree(d); + return NULL; } static int bcm2835_dma_slave_config(struct dma_chan *chan, diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 7067b6d..8b20930 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -622,12 +622,17 @@ static void dw_dma_tasklet(unsigned long data) static irqreturn_t dw_dma_interrupt(int irq, void *dev_id) { struct dw_dma *dw = dev_id; - u32 status = dma_readl(dw, STATUS_INT); + u32 status; + /* Check if we have any interrupt from the DMAC which is not in use */ + if (!dw->in_use) + return IRQ_NONE; + + status = dma_readl(dw, STATUS_INT); dev_vdbg(dw->dma.dev, "%s: status=0x%x\n", __func__, status); /* Check if we have any interrupt from the DMAC */ - if (!status || !dw->in_use) + if (!status) return IRQ_NONE; /* diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index 68a4815..127093a 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -155,7 +155,6 @@ static int dw_probe(struct platform_device *pdev) struct dw_dma_chip *chip; struct device *dev = &pdev->dev; struct resource *mem; - const struct acpi_device_id *id; struct dw_dma_platform_data *pdata; int err; @@ -179,11 +178,6 @@ static int dw_probe(struct platform_device *pdev) pdata = dev_get_platdata(dev); if (!pdata) pdata = dw_dma_parse_dt(pdev); - if (!pdata && has_acpi_companion(dev)) { - id = acpi_match_device(dev->driver->acpi_match_table, dev); - if (id) - pdata = (struct dw_dma_platform_data *)id->driver_data; - } chip->dev = dev; @@ -239,7 +233,19 @@ static void dw_shutdown(struct platform_device *pdev) { struct dw_dma_chip *chip = platform_get_drvdata(pdev); + /* + * We have to call dw_dma_disable() to stop any ongoing transfer. On + * some platforms we can't do that since DMA device is powered off. + * Moreover we have no possibility to check if the platform is affected + * or not. That's why we call pm_runtime_get_sync() / pm_runtime_put() + * unconditionally. On the other hand we can't use + * pm_runtime_suspended() because runtime PM framework is not fully + * used by the driver. + */ + pm_runtime_get_sync(chip->dev); dw_dma_disable(chip); + pm_runtime_put_sync_suspend(chip->dev); + clk_disable_unprepare(chip->clk); } @@ -252,17 +258,8 @@ MODULE_DEVICE_TABLE(of, dw_dma_of_id_table); #endif #ifdef CONFIG_ACPI -static struct dw_dma_platform_data dw_dma_acpi_pdata = { - .nr_channels = 8, - .is_private = true, - .chan_allocation_order = CHAN_ALLOCATION_ASCENDING, - .chan_priority = CHAN_PRIORITY_ASCENDING, - .block_size = 4095, - .nr_masters = 2, -}; - static const struct acpi_device_id dw_dma_acpi_id_table[] = { - { "INTL9C60", (kernel_ulong_t)&dw_dma_acpi_pdata }, + { "INTL9C60", 0 }, { } }; MODULE_DEVICE_TABLE(acpi, dw_dma_acpi_id_table); diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 0675e26..16fe773 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -1752,16 +1752,14 @@ static enum dma_status edma_tx_status(struct dma_chan *chan, return ret; } -static bool edma_is_memcpy_channel(int ch_num, u16 *memcpy_channels) +static bool edma_is_memcpy_channel(int ch_num, s32 *memcpy_channels) { - s16 *memcpy_ch = memcpy_channels; - if (!memcpy_channels) return false; - while (*memcpy_ch != -1) { - if (*memcpy_ch == ch_num) + while (*memcpy_channels != -1) { + if (*memcpy_channels == ch_num) return true; - memcpy_ch++; + memcpy_channels++; } return false; } @@ -1775,7 +1773,7 @@ static void edma_dma_init(struct edma_cc *ecc, bool legacy_mode) { struct dma_device *s_ddev = &ecc->dma_slave; struct dma_device *m_ddev = NULL; - s16 *memcpy_channels = ecc->info->memcpy_channels; + s32 *memcpy_channels = ecc->info->memcpy_channels; int i, j; dma_cap_zero(s_ddev->cap_mask); @@ -1996,16 +1994,16 @@ static struct edma_soc_info *edma_setup_info_from_dt(struct device *dev, prop = of_find_property(dev->of_node, "ti,edma-memcpy-channels", &sz); if (prop) { const char pname[] = "ti,edma-memcpy-channels"; - size_t nelm = sz / sizeof(s16); - s16 *memcpy_ch; + size_t nelm = sz / sizeof(s32); + s32 *memcpy_ch; - memcpy_ch = devm_kcalloc(dev, nelm + 1, sizeof(s16), + memcpy_ch = devm_kcalloc(dev, nelm + 1, sizeof(s32), GFP_KERNEL); if (!memcpy_ch) return ERR_PTR(-ENOMEM); - ret = of_property_read_u16_array(dev->of_node, pname, - (u16 *)memcpy_ch, nelm); + ret = of_property_read_u32_array(dev->of_node, pname, + (u32 *)memcpy_ch, nelm); if (ret) return ERR_PTR(ret); @@ -2017,31 +2015,50 @@ static struct edma_soc_info *edma_setup_info_from_dt(struct device *dev, &sz); if (prop) { const char pname[] = "ti,edma-reserved-slot-ranges"; + u32 (*tmp)[2]; s16 (*rsv_slots)[2]; - size_t nelm = sz / sizeof(*rsv_slots); + size_t nelm = sz / sizeof(*tmp); struct edma_rsv_info *rsv_info; + int i; if (!nelm) return info; + tmp = kcalloc(nelm, sizeof(*tmp), GFP_KERNEL); + if (!tmp) + return ERR_PTR(-ENOMEM); + rsv_info = devm_kzalloc(dev, sizeof(*rsv_info), GFP_KERNEL); - if (!rsv_info) + if (!rsv_info) { + kfree(tmp); return ERR_PTR(-ENOMEM); + } rsv_slots = devm_kcalloc(dev, nelm + 1, sizeof(*rsv_slots), GFP_KERNEL); - if (!rsv_slots) + if (!rsv_slots) { + kfree(tmp); return ERR_PTR(-ENOMEM); + } - ret = of_property_read_u16_array(dev->of_node, pname, - (u16 *)rsv_slots, nelm * 2); - if (ret) + ret = of_property_read_u32_array(dev->of_node, pname, + (u32 *)tmp, nelm * 2); + if (ret) { + kfree(tmp); return ERR_PTR(ret); + } + for (i = 0; i < nelm; i++) { + rsv_slots[i][0] = tmp[i][0]; + rsv_slots[i][1] = tmp[i][1]; + } rsv_slots[nelm][0] = -1; rsv_slots[nelm][1] = -1; + info->rsv = rsv_info; info->rsv->rsv_slots = (const s16 (*)[2])rsv_slots; + + kfree(tmp); } return info; diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c index 9dfa2b0..9cb93c5 100644 --- a/drivers/dma/xgene-dma.c +++ b/drivers/dma/xgene-dma.c @@ -29,6 +29,7 @@ #include <linux/dmapool.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/irq.h> #include <linux/module.h> #include <linux/of_device.h> @@ -1610,6 +1611,7 @@ static int xgene_dma_request_irqs(struct xgene_dma *pdma) /* Register DMA channel rx irq */ for (i = 0; i < XGENE_DMA_MAX_CHANNEL; i++) { chan = &pdma->chan[i]; + irq_set_status_flags(chan->rx_irq, IRQ_DISABLE_UNLAZY); ret = devm_request_irq(chan->dev, chan->rx_irq, xgene_dma_chan_ring_isr, 0, chan->name, chan); @@ -1620,6 +1622,7 @@ static int xgene_dma_request_irqs(struct xgene_dma *pdma) for (j = 0; j < i; j++) { chan = &pdma->chan[i]; + irq_clear_status_flags(chan->rx_irq, IRQ_DISABLE_UNLAZY); devm_free_irq(chan->dev, chan->rx_irq, chan); } @@ -1640,6 +1643,7 @@ static void xgene_dma_free_irqs(struct xgene_dma *pdma) for (i = 0; i < XGENE_DMA_MAX_CHANNEL; i++) { chan = &pdma->chan[i]; + irq_clear_status_flags(chan->rx_irq, IRQ_DISABLE_UNLAZY); devm_free_irq(chan->dev, chan->rx_irq, chan); } } diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index ac1ce4a..0e08e66 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -521,6 +521,7 @@ static int __init dmi_present(const u8 *buf) dmi_ver = smbios_ver; else dmi_ver = (buf[14] & 0xF0) << 4 | (buf[14] & 0x0F); + dmi_ver <<= 8; dmi_num = get_unaligned_le16(buf + 12); dmi_len = get_unaligned_le16(buf + 6); dmi_base = get_unaligned_le32(buf + 8); @@ -528,15 +529,14 @@ static int __init dmi_present(const u8 *buf) if (dmi_walk_early(dmi_decode) == 0) { if (smbios_ver) { pr_info("SMBIOS %d.%d present.\n", - dmi_ver >> 8, dmi_ver & 0xFF); + dmi_ver >> 16, (dmi_ver >> 8) & 0xFF); } else { smbios_entry_point_size = 15; memcpy(smbios_entry_point, buf, smbios_entry_point_size); pr_info("Legacy DMI %d.%d present.\n", - dmi_ver >> 8, dmi_ver & 0xFF); + dmi_ver >> 16, (dmi_ver >> 8) & 0xFF); } - dmi_ver <<= 8; dmi_format_ids(dmi_ids_string, sizeof(dmi_ids_string)); printk(KERN_DEBUG "DMI: %s\n", dmi_ids_string); return 0; diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c index a24f5cb..953dc91 100644 --- a/drivers/fpga/fpga-mgr.c +++ b/drivers/fpga/fpga-mgr.c @@ -122,12 +122,10 @@ int fpga_mgr_firmware_load(struct fpga_manager *mgr, u32 flags, } ret = fpga_mgr_buf_load(mgr, flags, fw->data, fw->size); - if (ret) - return ret; release_firmware(fw); - return 0; + return ret; } EXPORT_SYMBOL_GPL(fpga_mgr_firmware_load); @@ -256,7 +254,6 @@ int fpga_mgr_register(struct device *dev, const char *name, void *priv) { struct fpga_manager *mgr; - const char *dt_label; int id, ret; if (!mops || !mops->write_init || !mops->write || @@ -300,11 +297,9 @@ int fpga_mgr_register(struct device *dev, const char *name, mgr->dev.id = id; dev_set_drvdata(dev, mgr); - dt_label = of_get_property(mgr->dev.of_node, "label", NULL); - if (dt_label) - ret = dev_set_name(&mgr->dev, "%s", dt_label); - else - ret = dev_set_name(&mgr->dev, "fpga%d", id); + ret = dev_set_name(&mgr->dev, "fpga%d", id); + if (ret) + goto error_device; ret = device_add(&mgr->dev); if (ret) diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c index e5827a5..5eaea8b 100644 --- a/drivers/gpio/gpio-ath79.c +++ b/drivers/gpio/gpio-ath79.c @@ -113,7 +113,7 @@ static int ar934x_gpio_direction_output(struct gpio_chip *chip, unsigned offset, __raw_writel(BIT(offset), ctrl->base + AR71XX_GPIO_REG_CLEAR); __raw_writel( - __raw_readl(ctrl->base + AR71XX_GPIO_REG_OE) & BIT(offset), + __raw_readl(ctrl->base + AR71XX_GPIO_REG_OE) & ~BIT(offset), ctrl->base + AR71XX_GPIO_REG_OE); spin_unlock_irqrestore(&ctrl->lock, flags); diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c index bd5193c..88ae70d 100644 --- a/drivers/gpio/gpio-generic.c +++ b/drivers/gpio/gpio-generic.c @@ -141,9 +141,9 @@ static int bgpio_get_set(struct gpio_chip *gc, unsigned int gpio) unsigned long pinmask = bgc->pin2mask(bgc, gpio); if (bgc->dir & pinmask) - return bgc->read_reg(bgc->reg_set) & pinmask; + return !!(bgc->read_reg(bgc->reg_set) & pinmask); else - return bgc->read_reg(bgc->reg_dat) & pinmask; + return !!(bgc->read_reg(bgc->reg_dat) & pinmask); } static int bgpio_get(struct gpio_chip *gc, unsigned int gpio) diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 16a7b68..cbbb67a 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -417,10 +417,15 @@ static int acpi_find_gpio(struct acpi_resource *ares, void *data) * ActiveLow is only specified for GpioInt resource. If * GpioIo is used then the only way to set the flag is * to use _DSD "gpios" property. + * Note: we expect here: + * - ACPI_ACTIVE_LOW == GPIO_ACTIVE_LOW + * - ACPI_ACTIVE_HIGH == GPIO_ACTIVE_HIGH */ - if (lookup->info.gpioint) - lookup->info.active_low = - agpio->polarity == ACPI_ACTIVE_LOW; + if (lookup->info.gpioint) { + lookup->info.polarity = agpio->polarity; + lookup->info.triggering = agpio->triggering; + } + } return 1; @@ -447,7 +452,7 @@ static int acpi_gpio_resource_lookup(struct acpi_gpio_lookup *lookup, if (info) { *info = lookup->info; if (lookup->active_low) - info->active_low = lookup->active_low; + info->polarity = lookup->active_low; } return 0; } @@ -595,6 +600,7 @@ struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode, int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) { int idx, i; + unsigned int irq_flags; for (i = 0, idx = 0; idx <= index; i++) { struct acpi_gpio_info info; @@ -603,8 +609,23 @@ int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) desc = acpi_get_gpiod_by_index(adev, NULL, i, &info); if (IS_ERR(desc)) break; - if (info.gpioint && idx++ == index) - return gpiod_to_irq(desc); + if (info.gpioint && idx++ == index) { + int irq = gpiod_to_irq(desc); + + if (irq < 0) + return irq; + + irq_flags = acpi_dev_get_irq_type(info.triggering, + info.polarity); + + /* Set type if specified and different than the current one */ + if (irq_flags != IRQ_TYPE_NONE && + irq_flags != irq_get_trigger_type(irq)) + irq_set_irq_type(irq, irq_flags); + + return irq; + } + } return -ENOENT; } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 2a91f32..5d8d7ab 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1279,7 +1279,13 @@ static int _gpiod_get_raw_value(const struct gpio_desc *desc) chip = desc->chip; offset = gpio_chip_hwgpio(desc); value = chip->get ? chip->get(chip, offset) : -EIO; - value = value < 0 ? value : !!value; + /* + * FIXME: fix all drivers to clamp to [0,1] or return negative, + * then change this to: + * value = value < 0 ? value : !!value; + * so we can properly propagate error codes. + */ + value = !!value; trace_gpio_value(desc_to_gpio(desc), 1, value); return value; } @@ -1873,7 +1879,7 @@ static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, return desc; } - if (info.active_low) + if (info.polarity == GPIO_ACTIVE_LOW) *flags |= GPIO_ACTIVE_LOW; return desc; @@ -2211,7 +2217,7 @@ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode, desc = acpi_node_get_gpiod(fwnode, propname, 0, &info); if (!IS_ERR(desc)) - active_low = info.active_low; + active_low = info.polarity == GPIO_ACTIVE_LOW; } if (IS_ERR(desc)) diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 98ab08c..5ac3b88 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -26,7 +26,8 @@ struct acpi_device; */ struct acpi_gpio_info { bool gpioint; - bool active_low; + int polarity; + int triggering; }; /* gpio suffixes used for ACPI and device tree lookup */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 5a5f04d..048cfe0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1264,7 +1264,8 @@ struct amdgpu_cs_parser { struct ww_acquire_ctx ticket; /* user fence */ - struct amdgpu_user_fence uf; + struct amdgpu_user_fence uf; + struct amdgpu_bo_list_entry uf_entry; }; struct amdgpu_job { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 4f352ec..25a3e248 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -127,6 +127,37 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type, return 0; } +static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p, + struct drm_amdgpu_cs_chunk_fence *fence_data) +{ + struct drm_gem_object *gobj; + uint32_t handle; + + handle = fence_data->handle; + gobj = drm_gem_object_lookup(p->adev->ddev, p->filp, + fence_data->handle); + if (gobj == NULL) + return -EINVAL; + + p->uf.bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj)); + p->uf.offset = fence_data->offset; + + if (amdgpu_ttm_tt_has_userptr(p->uf.bo->tbo.ttm)) { + drm_gem_object_unreference_unlocked(gobj); + return -EINVAL; + } + + p->uf_entry.robj = amdgpu_bo_ref(p->uf.bo); + p->uf_entry.prefered_domains = AMDGPU_GEM_DOMAIN_GTT; + p->uf_entry.allowed_domains = AMDGPU_GEM_DOMAIN_GTT; + p->uf_entry.priority = 0; + p->uf_entry.tv.bo = &p->uf_entry.robj->tbo; + p->uf_entry.tv.shared = true; + + drm_gem_object_unreference_unlocked(gobj); + return 0; +} + int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) { union drm_amdgpu_cs *cs = data; @@ -207,28 +238,15 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) case AMDGPU_CHUNK_ID_FENCE: size = sizeof(struct drm_amdgpu_cs_chunk_fence); - if (p->chunks[i].length_dw * sizeof(uint32_t) >= size) { - uint32_t handle; - struct drm_gem_object *gobj; - struct drm_amdgpu_cs_chunk_fence *fence_data; - - fence_data = (void *)p->chunks[i].kdata; - handle = fence_data->handle; - gobj = drm_gem_object_lookup(p->adev->ddev, - p->filp, handle); - if (gobj == NULL) { - ret = -EINVAL; - goto free_partial_kdata; - } - - p->uf.bo = gem_to_amdgpu_bo(gobj); - amdgpu_bo_ref(p->uf.bo); - drm_gem_object_unreference_unlocked(gobj); - p->uf.offset = fence_data->offset; - } else { + if (p->chunks[i].length_dw * sizeof(uint32_t) < size) { ret = -EINVAL; goto free_partial_kdata; } + + ret = amdgpu_cs_user_fence_chunk(p, (void *)p->chunks[i].kdata); + if (ret) + goto free_partial_kdata; + break; case AMDGPU_CHUNK_ID_DEPENDENCIES: @@ -391,6 +409,9 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p) p->vm_bos = amdgpu_vm_get_bos(p->adev, &fpriv->vm, &p->validated); + if (p->uf.bo) + list_add(&p->uf_entry.tv.head, &p->validated); + if (need_mmap_lock) down_read(¤t->mm->mmap_sem); @@ -488,8 +509,8 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bo for (i = 0; i < parser->num_ibs; i++) amdgpu_ib_free(parser->adev, &parser->ibs[i]); kfree(parser->ibs); - if (parser->uf.bo) - amdgpu_bo_unref(&parser->uf.bo); + amdgpu_bo_unref(&parser->uf.bo); + amdgpu_bo_unref(&parser->uf_entry.robj); } static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index f6ea4b4..9c253c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -477,6 +477,14 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, if (domain == AMDGPU_GEM_DOMAIN_CPU) goto error_unreserve; } + list_for_each_entry(entry, &duplicates, head) { + domain = amdgpu_mem_type_to_domain(entry->bo->mem.mem_type); + /* if anything is swapped out don't swap it in here, + just abort and wait for the next CS */ + if (domain == AMDGPU_GEM_DOMAIN_CPU) + goto error_unreserve; + } + r = amdgpu_vm_update_page_directory(adev, bo_va->vm); if (r) goto error_unreserve; diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index a18164f..f8b5fcf 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -229,7 +229,8 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect mode_flags |= DRM_MODE_FLAG_3D_MASK; list_for_each_entry(mode, &connector->modes, head) { - mode->status = drm_mode_validate_basic(mode); + if (mode->status == MODE_OK) + mode->status = drm_mode_validate_basic(mode); if (mode->status == MODE_OK) mode->status = drm_mode_validate_size(mode, maxX, maxY); diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index b3ba27f..e693571 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -55,6 +55,9 @@ static int exynos_crtc_atomic_check(struct drm_crtc *crtc, { struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); + if (!state->enable) + return 0; + if (exynos_crtc->ops->atomic_check) return exynos_crtc->ops->atomic_check(exynos_crtc, state); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a01e515..f4af19a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2193,8 +2193,17 @@ struct drm_i915_gem_request { struct drm_i915_private *i915; struct intel_engine_cs *ring; - /** GEM sequence number associated with this request. */ - uint32_t seqno; + /** GEM sequence number associated with the previous request, + * when the HWS breadcrumb is equal to this the GPU is processing + * this request. + */ + u32 previous_seqno; + + /** GEM sequence number associated with this request, + * when the HWS breadcrumb is equal or greater than this the GPU + * has finished processing this request. + */ + u32 seqno; /** Position in the ringbuffer of the start of the request */ u32 head; @@ -2839,6 +2848,7 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj, int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level, u32 flags); +void __i915_vma_set_map_and_fenceable(struct i915_vma *vma); int __must_check i915_vma_unbind(struct i915_vma *vma); /* * BEWARE: Do not use the function below unless you can _absolutely_ @@ -2910,15 +2920,17 @@ i915_seqno_passed(uint32_t seq1, uint32_t seq2) return (int32_t)(seq1 - seq2) >= 0; } +static inline bool i915_gem_request_started(struct drm_i915_gem_request *req, + bool lazy_coherency) +{ + u32 seqno = req->ring->get_seqno(req->ring, lazy_coherency); + return i915_seqno_passed(seqno, req->previous_seqno); +} + static inline bool i915_gem_request_completed(struct drm_i915_gem_request *req, bool lazy_coherency) { - u32 seqno; - - BUG_ON(req == NULL); - - seqno = req->ring->get_seqno(req->ring, lazy_coherency); - + u32 seqno = req->ring->get_seqno(req->ring, lazy_coherency); return i915_seqno_passed(seqno, req->seqno); } diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32e6aad..f56af0a 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1146,23 +1146,74 @@ static bool missed_irq(struct drm_i915_private *dev_priv, return test_bit(ring->id, &dev_priv->gpu_error.missed_irq_rings); } -static int __i915_spin_request(struct drm_i915_gem_request *req) +static unsigned long local_clock_us(unsigned *cpu) +{ + unsigned long t; + + /* Cheaply and approximately convert from nanoseconds to microseconds. + * The result and subsequent calculations are also defined in the same + * approximate microseconds units. The principal source of timing + * error here is from the simple truncation. + * + * Note that local_clock() is only defined wrt to the current CPU; + * the comparisons are no longer valid if we switch CPUs. Instead of + * blocking preemption for the entire busywait, we can detect the CPU + * switch and use that as indicator of system load and a reason to + * stop busywaiting, see busywait_stop(). + */ + *cpu = get_cpu(); + t = local_clock() >> 10; + put_cpu(); + + return t; +} + +static bool busywait_stop(unsigned long timeout, unsigned cpu) +{ + unsigned this_cpu; + + if (time_after(local_clock_us(&this_cpu), timeout)) + return true; + + return this_cpu != cpu; +} + +static int __i915_spin_request(struct drm_i915_gem_request *req, int state) { unsigned long timeout; + unsigned cpu; + + /* When waiting for high frequency requests, e.g. during synchronous + * rendering split between the CPU and GPU, the finite amount of time + * required to set up the irq and wait upon it limits the response + * rate. By busywaiting on the request completion for a short while we + * can service the high frequency waits as quick as possible. However, + * if it is a slow request, we want to sleep as quickly as possible. + * The tradeoff between waiting and sleeping is roughly the time it + * takes to sleep on a request, on the order of a microsecond. + */ - if (i915_gem_request_get_ring(req)->irq_refcount) + if (req->ring->irq_refcount) return -EBUSY; - timeout = jiffies + 1; + /* Only spin if we know the GPU is processing this request */ + if (!i915_gem_request_started(req, true)) + return -EAGAIN; + + timeout = local_clock_us(&cpu) + 5; while (!need_resched()) { if (i915_gem_request_completed(req, true)) return 0; - if (time_after_eq(jiffies, timeout)) + if (signal_pending_state(state, current)) + break; + + if (busywait_stop(timeout, cpu)) break; cpu_relax_lowlatency(); } + if (i915_gem_request_completed(req, false)) return 0; @@ -1197,6 +1248,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req, struct drm_i915_private *dev_priv = dev->dev_private; const bool irq_test_in_progress = ACCESS_ONCE(dev_priv->gpu_error.test_irq_rings) & intel_ring_flag(ring); + int state = interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE; DEFINE_WAIT(wait); unsigned long timeout_expire; s64 before, now; @@ -1229,7 +1281,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req, before = ktime_get_raw_ns(); /* Optimistic spin for the next jiffie before touching IRQs */ - ret = __i915_spin_request(req); + ret = __i915_spin_request(req, state); if (ret == 0) goto out; @@ -1241,8 +1293,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req, for (;;) { struct timer_list timer; - prepare_to_wait(&ring->irq_queue, &wait, - interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); + prepare_to_wait(&ring->irq_queue, &wait, state); /* We need to check whether any gpu reset happened in between * the caller grabbing the seqno and now ... */ @@ -1260,7 +1311,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req, break; } - if (interruptible && signal_pending(current)) { + if (signal_pending_state(state, current)) { ret = -ERESTARTSYS; break; } @@ -2554,6 +2605,7 @@ void __i915_add_request(struct drm_i915_gem_request *request, request->batch_obj = obj; request->emitted_jiffies = jiffies; + request->previous_seqno = ring->last_submitted_seqno; ring->last_submitted_seqno = request->seqno; list_add_tail(&request->list, &ring->request_list); @@ -4080,6 +4132,29 @@ i915_vma_misplaced(struct i915_vma *vma, uint32_t alignment, uint64_t flags) return false; } +void __i915_vma_set_map_and_fenceable(struct i915_vma *vma) +{ + struct drm_i915_gem_object *obj = vma->obj; + bool mappable, fenceable; + u32 fence_size, fence_alignment; + + fence_size = i915_gem_get_gtt_size(obj->base.dev, + obj->base.size, + obj->tiling_mode); + fence_alignment = i915_gem_get_gtt_alignment(obj->base.dev, + obj->base.size, + obj->tiling_mode, + true); + + fenceable = (vma->node.size == fence_size && + (vma->node.start & (fence_alignment - 1)) == 0); + + mappable = (vma->node.start + fence_size <= + to_i915(obj->base.dev)->gtt.mappable_end); + + obj->map_and_fenceable = mappable && fenceable; +} + static int i915_gem_object_do_pin(struct drm_i915_gem_object *obj, struct i915_address_space *vm, @@ -4147,25 +4222,7 @@ i915_gem_object_do_pin(struct drm_i915_gem_object *obj, if (ggtt_view && ggtt_view->type == I915_GGTT_VIEW_NORMAL && (bound ^ vma->bound) & GLOBAL_BIND) { - bool mappable, fenceable; - u32 fence_size, fence_alignment; - - fence_size = i915_gem_get_gtt_size(obj->base.dev, - obj->base.size, - obj->tiling_mode); - fence_alignment = i915_gem_get_gtt_alignment(obj->base.dev, - obj->base.size, - obj->tiling_mode, - true); - - fenceable = (vma->node.size == fence_size && - (vma->node.start & (fence_alignment - 1)) == 0); - - mappable = (vma->node.start + fence_size <= - dev_priv->gtt.mappable_end); - - obj->map_and_fenceable = mappable && fenceable; - + __i915_vma_set_map_and_fenceable(vma); WARN_ON(flags & PIN_MAPPABLE && !obj->map_and_fenceable); } diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 8c688a5..02ceb7a 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -141,8 +141,6 @@ static void i915_gem_context_clean(struct intel_context *ctx) if (!ppgtt) return; - WARN_ON(!list_empty(&ppgtt->base.active_list)); - list_for_each_entry_safe(vma, next, &ppgtt->base.inactive_list, mm_list) { if (WARN_ON(__i915_vma_unbind_no_wait(vma))) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 43f35d1..86c7500 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2676,6 +2676,7 @@ static int i915_gem_setup_global_gtt(struct drm_device *dev, return ret; } vma->bound |= GLOBAL_BIND; + __i915_vma_set_map_and_fenceable(vma); list_add_tail(&vma->mm_list, &ggtt_vm->inactive_list); } diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index cdacf3f..87e919a 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -687,6 +687,7 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev, } vma->bound |= GLOBAL_BIND; + __i915_vma_set_map_and_fenceable(vma); list_add_tail(&vma->mm_list, &ggtt->inactive_list); } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 22e86d2..32cf973 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -116,6 +116,7 @@ static void skylake_pfit_enable(struct intel_crtc *crtc); static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force); static void ironlake_pfit_enable(struct intel_crtc *crtc); static void intel_modeset_setup_hw_state(struct drm_device *dev); +static void intel_pre_disable_primary(struct drm_crtc *crtc); typedef struct { int min, max; @@ -2607,6 +2608,8 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, struct drm_i915_gem_object *obj; struct drm_plane *primary = intel_crtc->base.primary; struct drm_plane_state *plane_state = primary->state; + struct drm_crtc_state *crtc_state = intel_crtc->base.state; + struct intel_plane *intel_plane = to_intel_plane(primary); struct drm_framebuffer *fb; if (!plane_config->fb) @@ -2643,6 +2646,18 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, } } + /* + * We've failed to reconstruct the BIOS FB. Current display state + * indicates that the primary plane is visible, but has a NULL FB, + * which will lead to problems later if we don't fix it up. The + * simplest solution is to just disable the primary plane now and + * pretend the BIOS never had it enabled. + */ + to_intel_plane_state(plane_state)->visible = false; + crtc_state->plane_mask &= ~(1 << drm_plane_index(primary)); + intel_pre_disable_primary(&intel_crtc->base); + intel_plane->disable_plane(primary, &intel_crtc->base); + return; valid_fb: @@ -6309,9 +6324,11 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) if (to_intel_plane_state(crtc->primary->state)->visible) { intel_crtc_wait_for_pending_flips(crtc); intel_pre_disable_primary(crtc); + + intel_crtc_disable_planes(crtc, 1 << drm_plane_index(crtc->primary)); + to_intel_plane_state(crtc->primary->state)->visible = false; } - intel_crtc_disable_planes(crtc, crtc->state->plane_mask); dev_priv->display.crtc_disable(crtc); intel_crtc->active = false; intel_update_watermarks(crtc); @@ -9908,14 +9925,14 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, return true; } -static void i845_update_cursor(struct drm_crtc *crtc, u32 base) +static void i845_update_cursor(struct drm_crtc *crtc, u32 base, bool on) { struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); uint32_t cntl = 0, size = 0; - if (base) { + if (on) { unsigned int width = intel_crtc->base.cursor->state->crtc_w; unsigned int height = intel_crtc->base.cursor->state->crtc_h; unsigned int stride = roundup_pow_of_two(width) * 4; @@ -9970,16 +9987,15 @@ static void i845_update_cursor(struct drm_crtc *crtc, u32 base) } } -static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) +static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base, bool on) { struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int pipe = intel_crtc->pipe; - uint32_t cntl; + uint32_t cntl = 0; - cntl = 0; - if (base) { + if (on) { cntl = MCURSOR_GAMMA_ENABLE; switch (intel_crtc->base.cursor->state->crtc_w) { case 64: @@ -10030,18 +10046,17 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc, int y = cursor_state->crtc_y; u32 base = 0, pos = 0; - if (on) - base = intel_crtc->cursor_addr; + base = intel_crtc->cursor_addr; if (x >= intel_crtc->config->pipe_src_w) - base = 0; + on = false; if (y >= intel_crtc->config->pipe_src_h) - base = 0; + on = false; if (x < 0) { if (x + cursor_state->crtc_w <= 0) - base = 0; + on = false; pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; x = -x; @@ -10050,16 +10065,13 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc, if (y < 0) { if (y + cursor_state->crtc_h <= 0) - base = 0; + on = false; pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; y = -y; } pos |= y << CURSOR_Y_SHIFT; - if (base == 0 && intel_crtc->cursor_base == 0) - return; - I915_WRITE(CURPOS(pipe), pos); /* ILK+ do this automagically */ @@ -10070,9 +10082,9 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc, } if (IS_845G(dev) || IS_I865G(dev)) - i845_update_cursor(crtc, base); + i845_update_cursor(crtc, base, on); else - i9xx_update_cursor(crtc, base); + i9xx_update_cursor(crtc, base, on); } static bool cursor_size_ok(struct drm_device *dev, @@ -12111,18 +12123,22 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc, static bool check_digital_port_conflicts(struct drm_atomic_state *state) { struct drm_device *dev = state->dev; - struct intel_encoder *encoder; struct drm_connector *connector; - struct drm_connector_state *connector_state; unsigned int used_ports = 0; - int i; /* * Walk the connector list instead of the encoder * list to detect the problem on ddi platforms * where there's just one encoder per digital port. */ - for_each_connector_in_state(state, connector, connector_state, i) { + drm_for_each_connector(connector, dev) { + struct drm_connector_state *connector_state; + struct intel_encoder *encoder; + + connector_state = drm_atomic_get_existing_connector_state(state, connector); + if (!connector_state) + connector_state = connector->state; + if (!connector_state->best_encoder) continue; @@ -13716,6 +13732,7 @@ intel_check_cursor_plane(struct drm_plane *plane, struct drm_crtc *crtc = crtc_state->base.crtc; struct drm_framebuffer *fb = state->base.fb; struct drm_i915_gem_object *obj = intel_fb_obj(fb); + enum pipe pipe = to_intel_plane(plane)->pipe; unsigned stride; int ret; @@ -13749,6 +13766,22 @@ intel_check_cursor_plane(struct drm_plane *plane, return -EINVAL; } + /* + * There's something wrong with the cursor on CHV pipe C. + * If it straddles the left edge of the screen then + * moving it away from the edge or disabling it often + * results in a pipe underrun, and often that can lead to + * dead pipe (constant underrun reported, and it scans + * out just a solid color). To recover from that, the + * display power well must be turned off and on again. + * Refuse the put the cursor into that compromised position. + */ + if (IS_CHERRYVIEW(plane->dev) && pipe == PIPE_C && + state->visible && state->base.crtc_x < 0) { + DRM_DEBUG_KMS("CHV cursor C not allowed to straddle the left screen edge\n"); + return -EINVAL; + } + return 0; } @@ -13772,9 +13805,6 @@ intel_commit_cursor_plane(struct drm_plane *plane, crtc = crtc ? crtc : plane->crtc; intel_crtc = to_intel_crtc(crtc); - if (intel_crtc->cursor_bo == obj) - goto update; - if (!obj) addr = 0; else if (!INTEL_INFO(dev)->cursor_needs_physical) @@ -13783,9 +13813,7 @@ intel_commit_cursor_plane(struct drm_plane *plane, addr = obj->phys_handle->busaddr; intel_crtc->cursor_addr = addr; - intel_crtc->cursor_bo = obj; -update: if (crtc->state->active) intel_crtc_update_cursor(crtc, state->visible); } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index f2a1142..0d00f07 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -550,7 +550,6 @@ struct intel_crtc { int adjusted_x; int adjusted_y; - struct drm_i915_gem_object *cursor_bo; uint32_t cursor_addr; uint32_t cursor_cntl; uint32_t cursor_size; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 81cdd9f..e6c035b 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1374,17 +1374,18 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); struct drm_i915_private *dev_priv = to_i915(connector->dev); bool live_status = false; - unsigned int retry = 3; + unsigned int try; DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id, connector->name); intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS); - while (!live_status && --retry) { + for (try = 0; !live_status && try < 9; try++) { + if (try) + msleep(10); live_status = intel_digital_port_connected(dev_priv, hdmi_to_dig_port(intel_hdmi)); - mdelay(10); } if (!live_status) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 071a76b..f091ad1 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4782,8 +4782,7 @@ static void gen9_enable_rc6(struct drm_device *dev) /* 2b: Program RC6 thresholds.*/ /* WaRsDoubleRc6WrlWithCoarsePowerGating: Doubling WRL only when CPG is enabled */ - if (IS_SKYLAKE(dev) && !((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && - (INTEL_REVID(dev) <= SKL_REVID_E0))) + if (IS_SKYLAKE(dev)) I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 108 << 16); else I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 54 << 16); @@ -4825,7 +4824,7 @@ static void gen9_enable_rc6(struct drm_device *dev) * WaRsDisableCoarsePowerGating:skl,bxt - Render/Media PG need to be disabled with RC6. */ if ((IS_BROXTON(dev) && (INTEL_REVID(dev) < BXT_REVID_B0)) || - ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && (INTEL_REVID(dev) <= SKL_REVID_E0))) + ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && (INTEL_REVID(dev) <= SKL_REVID_F0))) I915_WRITE(GEN9_PG_ENABLE, 0); else I915_WRITE(GEN9_PG_ENABLE, (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ? diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h index 8f76000..913192c 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h @@ -159,7 +159,6 @@ struct nvkm_device_func { struct nvkm_device_quirk { u8 tv_pin_mask; u8 tv_gpio; - bool War00C800_0; }; struct nvkm_device_chip { diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c index caf22b5..62ad030 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c @@ -259,12 +259,6 @@ nvkm_device_pci_10de_0df4[] = { }; static const struct nvkm_device_pci_vendor -nvkm_device_pci_10de_0fcd[] = { - { 0x17aa, 0x3801, NULL, { .War00C800_0 = true } }, /* Lenovo Y510P */ - {} -}; - -static const struct nvkm_device_pci_vendor nvkm_device_pci_10de_0fd2[] = { { 0x1028, 0x0595, "GeForce GT 640M LE" }, { 0x1028, 0x05b2, "GeForce GT 640M LE" }, @@ -279,12 +273,6 @@ nvkm_device_pci_10de_0fe3[] = { }; static const struct nvkm_device_pci_vendor -nvkm_device_pci_10de_0fe4[] = { - { 0x144d, 0xc740, NULL, { .War00C800_0 = true } }, - {} -}; - -static const struct nvkm_device_pci_vendor nvkm_device_pci_10de_104b[] = { { 0x1043, 0x844c, "GeForce GT 625" }, { 0x1043, 0x846b, "GeForce GT 625" }, @@ -690,13 +678,6 @@ nvkm_device_pci_10de_1189[] = { static const struct nvkm_device_pci_vendor nvkm_device_pci_10de_1199[] = { { 0x1458, 0xd001, "GeForce GTX 760" }, - { 0x1462, 0x1106, "GeForce GTX 780M", { .War00C800_0 = true } }, /* Medion Erazer X7827 */ - {} -}; - -static const struct nvkm_device_pci_vendor -nvkm_device_pci_10de_11e0[] = { - { 0x1558, 0x5106, NULL, { .War00C800_0 = true } }, {} }; @@ -707,14 +688,6 @@ nvkm_device_pci_10de_11e3[] = { }; static const struct nvkm_device_pci_vendor -nvkm_device_pci_10de_11fc[] = { - { 0x1179, 0x0001, NULL, { .War00C800_0 = true } }, /* Toshiba Tecra W50 */ - { 0x17aa, 0x2211, NULL, { .War00C800_0 = true } }, /* Lenovo W541 */ - { 0x17aa, 0x221e, NULL, { .War00C800_0 = true } }, /* Lenovo W541 */ - {} -}; - -static const struct nvkm_device_pci_vendor nvkm_device_pci_10de_1247[] = { { 0x1043, 0x212a, "GeForce GT 635M" }, { 0x1043, 0x212b, "GeForce GT 635M" }, @@ -1368,7 +1341,7 @@ nvkm_device_pci_10de[] = { { 0x0fc6, "GeForce GTX 650" }, { 0x0fc8, "GeForce GT 740" }, { 0x0fc9, "GeForce GT 730" }, - { 0x0fcd, "GeForce GT 755M", nvkm_device_pci_10de_0fcd }, + { 0x0fcd, "GeForce GT 755M" }, { 0x0fce, "GeForce GT 640M LE" }, { 0x0fd1, "GeForce GT 650M" }, { 0x0fd2, "GeForce GT 640M", nvkm_device_pci_10de_0fd2 }, @@ -1382,7 +1355,7 @@ nvkm_device_pci_10de[] = { { 0x0fe1, "GeForce GT 730M" }, { 0x0fe2, "GeForce GT 745M" }, { 0x0fe3, "GeForce GT 745M", nvkm_device_pci_10de_0fe3 }, - { 0x0fe4, "GeForce GT 750M", nvkm_device_pci_10de_0fe4 }, + { 0x0fe4, "GeForce GT 750M" }, { 0x0fe9, "GeForce GT 750M" }, { 0x0fea, "GeForce GT 755M" }, { 0x0fec, "GeForce 710A" }, @@ -1497,12 +1470,12 @@ nvkm_device_pci_10de[] = { { 0x11c6, "GeForce GTX 650 Ti" }, { 0x11c8, "GeForce GTX 650" }, { 0x11cb, "GeForce GT 740" }, - { 0x11e0, "GeForce GTX 770M", nvkm_device_pci_10de_11e0 }, + { 0x11e0, "GeForce GTX 770M" }, { 0x11e1, "GeForce GTX 765M" }, { 0x11e2, "GeForce GTX 765M" }, { 0x11e3, "GeForce GTX 760M", nvkm_device_pci_10de_11e3 }, { 0x11fa, "Quadro K4000" }, - { 0x11fc, "Quadro K2100M", nvkm_device_pci_10de_11fc }, + { 0x11fc, "Quadro K2100M" }, { 0x1200, "GeForce GTX 560 Ti" }, { 0x1201, "GeForce GTX 560" }, { 0x1203, "GeForce GTX 460 SE v2" }, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c index ffa902e..05a8954 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c @@ -156,6 +156,7 @@ nv40_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch, return -ENOMEM; nvkm_object_ctor(&nv40_gr_chan, oclass, &chan->object); chan->gr = gr; + chan->fifo = fifoch; *pobject = &chan->object; spin_lock_irqsave(&chan->gr->base.engine.lock, flags); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c index 43006db..80fed7e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c @@ -83,6 +83,7 @@ nvbios_fan_parse(struct nvkm_bios *bios, struct nvbios_therm_fan *fan) fan->type = NVBIOS_THERM_FAN_UNK; } + fan->fan_mode = NVBIOS_THERM_FAN_LINEAR; fan->min_duty = nvbios_rd08(bios, data + 0x02); fan->max_duty = nvbios_rd08(bios, data + 0x03); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c index d942fa7..86f9f3b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c @@ -81,9 +81,7 @@ gk104_pmu_pgob(struct nvkm_pmu *pmu, bool enable) nvkm_mask(device, 0x000200, 0x00001000, 0x00001000); nvkm_rd32(device, 0x000200); - if ( nvkm_boolopt(device->cfgopt, "War00C800_0", - device->quirk ? device->quirk->War00C800_0 : false)) { - nvkm_info(&pmu->subdev, "hw bug workaround enabled\n"); + if (nvkm_boolopt(device->cfgopt, "War00C800_0", true)) { switch (device->chipset) { case 0xe4: magic(device, 0x04000000); diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c index b8e4cde..24f92be 100644 --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c @@ -112,11 +112,8 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, dma_addr_t paddr; int ret; - /* only doing ARGB32 since this is what is needed to alpha-blend - * with video overlays: - */ sizes->surface_bpp = 32; - sizes->surface_depth = 32; + sizes->surface_depth = 24; DBG("create fbdev: %dx%d@%d (%dx%d)", sizes->surface_width, sizes->surface_height, sizes->surface_bpp, diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 0154db4..f81fb26 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -4173,11 +4173,7 @@ void cik_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) control |= ib->length_dw | (vm_id << 24); radeon_ring_write(ring, header); - radeon_ring_write(ring, -#ifdef __BIG_ENDIAN - (2 << 0) | -#endif - (ib->gpu_addr & 0xFFFFFFFC)); + radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFFC)); radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF); radeon_ring_write(ring, control); } diff --git a/drivers/gpu/drm/radeon/radeon_vce.c b/drivers/gpu/drm/radeon/radeon_vce.c index 574f62b..7eb1ae7 100644 --- a/drivers/gpu/drm/radeon/radeon_vce.c +++ b/drivers/gpu/drm/radeon/radeon_vce.c @@ -361,31 +361,31 @@ int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring, /* stitch together an VCE create msg */ ib.length_dw = 0; - ib.ptr[ib.length_dw++] = 0x0000000c; /* len */ - ib.ptr[ib.length_dw++] = 0x00000001; /* session cmd */ - ib.ptr[ib.length_dw++] = handle; - - ib.ptr[ib.length_dw++] = 0x00000030; /* len */ - ib.ptr[ib.length_dw++] = 0x01000001; /* create cmd */ - ib.ptr[ib.length_dw++] = 0x00000000; - ib.ptr[ib.length_dw++] = 0x00000042; - ib.ptr[ib.length_dw++] = 0x0000000a; - ib.ptr[ib.length_dw++] = 0x00000001; - ib.ptr[ib.length_dw++] = 0x00000080; - ib.ptr[ib.length_dw++] = 0x00000060; - ib.ptr[ib.length_dw++] = 0x00000100; - ib.ptr[ib.length_dw++] = 0x00000100; - ib.ptr[ib.length_dw++] = 0x0000000c; - ib.ptr[ib.length_dw++] = 0x00000000; - - ib.ptr[ib.length_dw++] = 0x00000014; /* len */ - ib.ptr[ib.length_dw++] = 0x05000005; /* feedback buffer */ - ib.ptr[ib.length_dw++] = upper_32_bits(dummy); - ib.ptr[ib.length_dw++] = dummy; - ib.ptr[ib.length_dw++] = 0x00000001; + ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000c); /* len */ + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); /* session cmd */ + ib.ptr[ib.length_dw++] = cpu_to_le32(handle); + + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000030); /* len */ + ib.ptr[ib.length_dw++] = cpu_to_le32(0x01000001); /* create cmd */ + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000000); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000042); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000a); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000080); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000060); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000100); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000100); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000c); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000000); + + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000014); /* len */ + ib.ptr[ib.length_dw++] = cpu_to_le32(0x05000005); /* feedback buffer */ + ib.ptr[ib.length_dw++] = cpu_to_le32(upper_32_bits(dummy)); + ib.ptr[ib.length_dw++] = cpu_to_le32(dummy); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); for (i = ib.length_dw; i < ib_size_dw; ++i) - ib.ptr[i] = 0x0; + ib.ptr[i] = cpu_to_le32(0x0); r = radeon_ib_schedule(rdev, &ib, NULL, false); if (r) { @@ -428,21 +428,21 @@ int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring, /* stitch together an VCE destroy msg */ ib.length_dw = 0; - ib.ptr[ib.length_dw++] = 0x0000000c; /* len */ - ib.ptr[ib.length_dw++] = 0x00000001; /* session cmd */ - ib.ptr[ib.length_dw++] = handle; + ib.ptr[ib.length_dw++] = cpu_to_le32(0x0000000c); /* len */ + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); /* session cmd */ + ib.ptr[ib.length_dw++] = cpu_to_le32(handle); - ib.ptr[ib.length_dw++] = 0x00000014; /* len */ - ib.ptr[ib.length_dw++] = 0x05000005; /* feedback buffer */ - ib.ptr[ib.length_dw++] = upper_32_bits(dummy); - ib.ptr[ib.length_dw++] = dummy; - ib.ptr[ib.length_dw++] = 0x00000001; + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000014); /* len */ + ib.ptr[ib.length_dw++] = cpu_to_le32(0x05000005); /* feedback buffer */ + ib.ptr[ib.length_dw++] = cpu_to_le32(upper_32_bits(dummy)); + ib.ptr[ib.length_dw++] = cpu_to_le32(dummy); + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000001); - ib.ptr[ib.length_dw++] = 0x00000008; /* len */ - ib.ptr[ib.length_dw++] = 0x02000001; /* destroy cmd */ + ib.ptr[ib.length_dw++] = cpu_to_le32(0x00000008); /* len */ + ib.ptr[ib.length_dw++] = cpu_to_le32(0x02000001); /* destroy cmd */ for (i = ib.length_dw; i < ib_size_dw; ++i) - ib.ptr[i] = 0x0; + ib.ptr[i] = cpu_to_le32(0x0); r = radeon_ib_schedule(rdev, &ib, NULL, false); if (r) { @@ -699,12 +699,12 @@ bool radeon_vce_semaphore_emit(struct radeon_device *rdev, { uint64_t addr = semaphore->gpu_addr; - radeon_ring_write(ring, VCE_CMD_SEMAPHORE); - radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF); - radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF); - radeon_ring_write(ring, 0x01003000 | (emit_wait ? 1 : 0)); + radeon_ring_write(ring, cpu_to_le32(VCE_CMD_SEMAPHORE)); + radeon_ring_write(ring, cpu_to_le32((addr >> 3) & 0x000FFFFF)); + radeon_ring_write(ring, cpu_to_le32((addr >> 23) & 0x000FFFFF)); + radeon_ring_write(ring, cpu_to_le32(0x01003000 | (emit_wait ? 1 : 0))); if (!emit_wait) - radeon_ring_write(ring, VCE_CMD_END); + radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END)); return true; } @@ -719,10 +719,10 @@ bool radeon_vce_semaphore_emit(struct radeon_device *rdev, void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) { struct radeon_ring *ring = &rdev->ring[ib->ring]; - radeon_ring_write(ring, VCE_CMD_IB); - radeon_ring_write(ring, ib->gpu_addr); - radeon_ring_write(ring, upper_32_bits(ib->gpu_addr)); - radeon_ring_write(ring, ib->length_dw); + radeon_ring_write(ring, cpu_to_le32(VCE_CMD_IB)); + radeon_ring_write(ring, cpu_to_le32(ib->gpu_addr)); + radeon_ring_write(ring, cpu_to_le32(upper_32_bits(ib->gpu_addr))); + radeon_ring_write(ring, cpu_to_le32(ib->length_dw)); } /** @@ -738,12 +738,12 @@ void radeon_vce_fence_emit(struct radeon_device *rdev, struct radeon_ring *ring = &rdev->ring[fence->ring]; uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr; - radeon_ring_write(ring, VCE_CMD_FENCE); - radeon_ring_write(ring, addr); - radeon_ring_write(ring, upper_32_bits(addr)); - radeon_ring_write(ring, fence->seq); - radeon_ring_write(ring, VCE_CMD_TRAP); - radeon_ring_write(ring, VCE_CMD_END); + radeon_ring_write(ring, cpu_to_le32(VCE_CMD_FENCE)); + radeon_ring_write(ring, cpu_to_le32(addr)); + radeon_ring_write(ring, cpu_to_le32(upper_32_bits(addr))); + radeon_ring_write(ring, cpu_to_le32(fence->seq)); + radeon_ring_write(ring, cpu_to_le32(VCE_CMD_TRAP)); + radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END)); } /** @@ -765,7 +765,7 @@ int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) ring->idx, r); return r; } - radeon_ring_write(ring, VCE_CMD_END); + radeon_ring_write(ring, cpu_to_le32(VCE_CMD_END)); radeon_ring_unlock_commit(rdev, ring, false); for (i = 0; i < rdev->usec_timeout; i++) { diff --git a/drivers/gpu/drm/ttm/ttm_lock.c b/drivers/gpu/drm/ttm/ttm_lock.c index 6a95454..f154fb1 100644 --- a/drivers/gpu/drm/ttm/ttm_lock.c +++ b/drivers/gpu/drm/ttm/ttm_lock.c @@ -180,7 +180,7 @@ int ttm_write_lock(struct ttm_lock *lock, bool interruptible) spin_unlock(&lock->lock); } } else - wait_event(lock->queue, __ttm_read_lock(lock)); + wait_event(lock->queue, __ttm_write_lock(lock)); return ret; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index a09cf85..c49812b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1233,6 +1233,7 @@ static void vmw_master_drop(struct drm_device *dev, vmw_fp->locked_master = drm_master_get(file_priv->master); ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile); + vmw_kms_legacy_hotspot_clear(dev_priv); if (unlikely((ret != 0))) { DRM_ERROR("Unable to lock TTM at VT switch.\n"); drm_master_put(&vmw_fp->locked_master); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index a8ae9df..469cdd5 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -925,6 +925,7 @@ int vmw_kms_present(struct vmw_private *dev_priv, uint32_t num_clips); int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); int vmw_dumb_create(struct drm_file *file_priv, struct drm_device *dev, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c index a8baf5f..b6a0806 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c @@ -390,7 +390,7 @@ void *vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, else if (ctx_id == SVGA3D_INVALID_ID) ret = vmw_local_fifo_reserve(dev_priv, bytes); else { - WARN_ON("Command buffer has not been allocated.\n"); + WARN(1, "Command buffer has not been allocated.\n"); ret = NULL; } if (IS_ERR_OR_NULL(ret)) { diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 9fcd7f8..9b4bb9e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -133,13 +133,19 @@ void vmw_cursor_update_position(struct vmw_private *dev_priv, vmw_mmio_write(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT); } -int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, - uint32_t handle, uint32_t width, uint32_t height) + +/* + * vmw_du_crtc_cursor_set2 - Driver cursor_set2 callback. + */ +int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, + uint32_t handle, uint32_t width, uint32_t height, + int32_t hot_x, int32_t hot_y) { struct vmw_private *dev_priv = vmw_priv(crtc->dev); struct vmw_display_unit *du = vmw_crtc_to_du(crtc); struct vmw_surface *surface = NULL; struct vmw_dma_buffer *dmabuf = NULL; + s32 hotspot_x, hotspot_y; int ret; /* @@ -151,6 +157,8 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, */ drm_modeset_unlock_crtc(crtc); drm_modeset_lock_all(dev_priv->dev); + hotspot_x = hot_x + du->hotspot_x; + hotspot_y = hot_y + du->hotspot_y; /* A lot of the code assumes this */ if (handle && (width != 64 || height != 64)) { @@ -187,31 +195,34 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, vmw_dmabuf_unreference(&du->cursor_dmabuf); /* setup new image */ + ret = 0; if (surface) { /* vmw_user_surface_lookup takes one reference */ du->cursor_surface = surface; du->cursor_surface->snooper.crtc = crtc; du->cursor_age = du->cursor_surface->snooper.age; - vmw_cursor_update_image(dev_priv, surface->snooper.image, - 64, 64, du->hotspot_x, du->hotspot_y); + ret = vmw_cursor_update_image(dev_priv, surface->snooper.image, + 64, 64, hotspot_x, hotspot_y); } else if (dmabuf) { /* vmw_user_surface_lookup takes one reference */ du->cursor_dmabuf = dmabuf; ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height, - du->hotspot_x, du->hotspot_y); + hotspot_x, hotspot_y); } else { vmw_cursor_update_position(dev_priv, false, 0, 0); - ret = 0; goto out; } - vmw_cursor_update_position(dev_priv, true, - du->cursor_x + du->hotspot_x, - du->cursor_y + du->hotspot_y); + if (!ret) { + vmw_cursor_update_position(dev_priv, true, + du->cursor_x + hotspot_x, + du->cursor_y + hotspot_y); + du->core_hotspot_x = hot_x; + du->core_hotspot_y = hot_y; + } - ret = 0; out: drm_modeset_unlock_all(dev_priv->dev); drm_modeset_lock_crtc(crtc, crtc->cursor); @@ -239,8 +250,10 @@ int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) drm_modeset_lock_all(dev_priv->dev); vmw_cursor_update_position(dev_priv, shown, - du->cursor_x + du->hotspot_x, - du->cursor_y + du->hotspot_y); + du->cursor_x + du->hotspot_x + + du->core_hotspot_x, + du->cursor_y + du->hotspot_y + + du->core_hotspot_y); drm_modeset_unlock_all(dev_priv->dev); drm_modeset_lock_crtc(crtc, crtc->cursor); @@ -334,6 +347,29 @@ err_unreserve: ttm_bo_unreserve(bo); } +/** + * vmw_kms_legacy_hotspot_clear - Clear legacy hotspots + * + * @dev_priv: Pointer to the device private struct. + * + * Clears all legacy hotspots. + */ +void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv) +{ + struct drm_device *dev = dev_priv->dev; + struct vmw_display_unit *du; + struct drm_crtc *crtc; + + drm_modeset_lock_all(dev); + drm_for_each_crtc(crtc, dev) { + du = vmw_crtc_to_du(crtc); + + du->hotspot_x = 0; + du->hotspot_y = 0; + } + drm_modeset_unlock_all(dev); +} + void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv) { struct drm_device *dev = dev_priv->dev; @@ -351,7 +387,9 @@ void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv) du->cursor_age = du->cursor_surface->snooper.age; vmw_cursor_update_image(dev_priv, du->cursor_surface->snooper.image, - 64, 64, du->hotspot_x, du->hotspot_y); + 64, 64, + du->hotspot_x + du->core_hotspot_x, + du->hotspot_y + du->core_hotspot_y); } mutex_unlock(&dev->mode_config.mutex); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index 782df7c..edd8150 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -159,6 +159,8 @@ struct vmw_display_unit { int hotspot_x; int hotspot_y; + s32 core_hotspot_x; + s32 core_hotspot_y; unsigned unit; @@ -193,8 +195,9 @@ void vmw_du_crtc_restore(struct drm_crtc *crtc); void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t start, uint32_t size); -int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, - uint32_t handle, uint32_t width, uint32_t height); +int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, + uint32_t handle, uint32_t width, uint32_t height, + int32_t hot_x, int32_t hot_y); int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); int vmw_du_connector_dpms(struct drm_connector *connector, int mode); void vmw_du_connector_save(struct drm_connector *connector); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index bb63e4d..52caecb 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -297,7 +297,7 @@ static int vmw_ldu_crtc_set_config(struct drm_mode_set *set) static struct drm_crtc_funcs vmw_legacy_crtc_funcs = { .save = vmw_du_crtc_save, .restore = vmw_du_crtc_restore, - .cursor_set = vmw_du_crtc_cursor_set, + .cursor_set2 = vmw_du_crtc_cursor_set2, .cursor_move = vmw_du_crtc_cursor_move, .gamma_set = vmw_du_crtc_gamma_set, .destroy = vmw_ldu_crtc_destroy, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index b96d1ab..13926ff 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -533,7 +533,7 @@ out_no_fence: static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = { .save = vmw_du_crtc_save, .restore = vmw_du_crtc_restore, - .cursor_set = vmw_du_crtc_cursor_set, + .cursor_set2 = vmw_du_crtc_cursor_set2, .cursor_move = vmw_du_crtc_cursor_move, .gamma_set = vmw_du_crtc_gamma_set, .destroy = vmw_sou_crtc_destroy, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c index b1fc1c0..f823fc3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c @@ -1043,7 +1043,7 @@ out_finish: static struct drm_crtc_funcs vmw_stdu_crtc_funcs = { .save = vmw_du_crtc_save, .restore = vmw_du_crtc_restore, - .cursor_set = vmw_du_crtc_cursor_set, + .cursor_set2 = vmw_du_crtc_cursor_set2, .cursor_move = vmw_du_crtc_cursor_move, .gamma_set = vmw_du_crtc_gamma_set, .destroy = vmw_stdu_crtc_destroy, diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index 3166e4b..9abcaa5 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -395,8 +395,10 @@ int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible) set_current_state(interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); - if (signal_pending(current)) { - rc = -EINTR; + if (interruptible && signal_pending(current)) { + __set_current_state(TASK_RUNNING); + remove_wait_queue(&vga_wait_queue, &wait); + rc = -ERESTARTSYS; break; } schedule(); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 9024a3d..8b78a7f 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -316,11 +316,6 @@ #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001 #define USB_VENDOR_ID_ELAN 0x04f3 -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN 0x0089 -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B 0x009b -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103 0x0103 -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_010c 0x010c -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F 0x016f #define USB_VENDOR_ID_ELECOM 0x056e #define USB_DEVICE_ID_ELECOM_BM084 0x0061 diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 2324520..7dd0953 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -72,11 +72,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT }, - { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN, HID_QUIRK_ALWAYS_POLL }, - { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B, HID_QUIRK_ALWAYS_POLL }, - { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103, HID_QUIRK_ALWAYS_POLL }, - { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_010c, HID_QUIRK_ALWAYS_POLL }, - { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F, HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET }, @@ -340,7 +336,8 @@ static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor, for (; hid_blacklist[n].idVendor; n++) if (hid_blacklist[n].idVendor == idVendor && - hid_blacklist[n].idProduct == idProduct) + (hid_blacklist[n].idProduct == (__u16) HID_ANY_ID || + hid_blacklist[n].idProduct == idProduct)) bl_entry = &hid_blacklist[n]; if (bl_entry != NULL) diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 8f59f05..80a73bf 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1217,6 +1217,7 @@ config SENSORS_PWM_FAN config SENSORS_SHT15 tristate "Sensiron humidity and temperature sensors. SHT15 and compat." depends on GPIOLIB || COMPILE_TEST + select BITREVERSE help If you say yes here you get support for the Sensiron SHT10, SHT11, SHT15, SHT71, SHT75 humidity and temperature sensors. diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c index 6548262..5289aa0 100644 --- a/drivers/hwmon/tmp102.c +++ b/drivers/hwmon/tmp102.c @@ -58,6 +58,7 @@ struct tmp102 { u16 config_orig; unsigned long last_update; int temp[3]; + bool first_time; }; /* convert left adjusted 13-bit TMP102 register value to milliCelsius */ @@ -93,6 +94,7 @@ static struct tmp102 *tmp102_update_device(struct device *dev) tmp102->temp[i] = tmp102_reg_to_mC(status); } tmp102->last_update = jiffies; + tmp102->first_time = false; } mutex_unlock(&tmp102->lock); return tmp102; @@ -102,6 +104,12 @@ static int tmp102_read_temp(void *dev, int *temp) { struct tmp102 *tmp102 = tmp102_update_device(dev); + /* Is it too early even to return a conversion? */ + if (tmp102->first_time) { + dev_dbg(dev, "%s: Conversion not ready yet..\n", __func__); + return -EAGAIN; + } + *temp = tmp102->temp[0]; return 0; @@ -114,6 +122,10 @@ static ssize_t tmp102_show_temp(struct device *dev, struct sensor_device_attribute *sda = to_sensor_dev_attr(attr); struct tmp102 *tmp102 = tmp102_update_device(dev); + /* Is it too early even to return a read? */ + if (tmp102->first_time) + return -EAGAIN; + return sprintf(buf, "%d\n", tmp102->temp[sda->index]); } @@ -207,7 +219,9 @@ static int tmp102_probe(struct i2c_client *client, status = -ENODEV; goto fail_restore_config; } - tmp102->last_update = jiffies - HZ; + tmp102->last_update = jiffies; + /* Mark that we are not ready with data until conversion is complete */ + tmp102->first_time = true; mutex_init(&tmp102->lock); hwmon_dev = hwmon_device_register_with_groups(dev, client->name, diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index c5628a4..a8bdcb5 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -202,8 +202,15 @@ static void i2c_davinci_calc_clk_dividers(struct davinci_i2c_dev *dev) * d is always 6 on Keystone I2C controller */ - /* get minimum of 7 MHz clock, but max of 12 MHz */ - psc = (input_clock / 7000000) - 1; + /* + * Both Davinci and current Keystone User Guides recommend a value + * between 7MHz and 12MHz. In reality 7MHz module clock doesn't + * always produce enough margin between SDA and SCL transitions. + * Measurements show that the higher the module clock is, the + * bigger is the margin, providing more reliable communication. + * So we better target for 12MHz. + */ + psc = (input_clock / 12000000) - 1; if ((input_clock / (psc + 1)) > 12000000) psc++; /* better to run under spec than over */ d = (psc >= 2) ? 5 : 7 - psc; diff --git a/drivers/i2c/busses/i2c-designware-baytrail.c b/drivers/i2c/busses/i2c-designware-baytrail.c index 7d7ae97..e38c2bb 100644 --- a/drivers/i2c/busses/i2c-designware-baytrail.c +++ b/drivers/i2c/busses/i2c-designware-baytrail.c @@ -34,8 +34,7 @@ static int get_sem(struct device *dev, u32 *sem) u32 data; int ret; - ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, PUNIT_SEMAPHORE, - &data); + ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, PUNIT_SEMAPHORE, &data); if (ret) { dev_err(dev, "iosf failed to read punit semaphore\n"); return ret; @@ -50,21 +49,19 @@ static void reset_semaphore(struct device *dev) { u32 data; - if (iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, - PUNIT_SEMAPHORE, &data)) { + if (iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, PUNIT_SEMAPHORE, &data)) { dev_err(dev, "iosf failed to reset punit semaphore during read\n"); return; } data &= ~PUNIT_SEMAPHORE_BIT; - if (iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, - PUNIT_SEMAPHORE, data)) + if (iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, PUNIT_SEMAPHORE, data)) dev_err(dev, "iosf failed to reset punit semaphore during write\n"); } static int baytrail_i2c_acquire(struct dw_i2c_dev *dev) { - u32 sem; + u32 sem = PUNIT_SEMAPHORE_ACQUIRE; int ret; unsigned long start, end; @@ -77,8 +74,7 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev) return 0; /* host driver writes to side band semaphore register */ - ret = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, - PUNIT_SEMAPHORE, PUNIT_SEMAPHORE_ACQUIRE); + ret = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, PUNIT_SEMAPHORE, sem); if (ret) { dev_err(dev->dev, "iosf punit semaphore request failed\n"); return ret; @@ -102,8 +98,7 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev) dev_err(dev->dev, "punit semaphore timed out, resetting\n"); reset_semaphore(dev->dev); - ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, - PUNIT_SEMAPHORE, &sem); + ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, PUNIT_SEMAPHORE, &sem); if (ret) dev_err(dev->dev, "iosf failed to read punit semaphore\n"); else diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index 8c48b27..de7fbbb 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -813,6 +813,12 @@ static irqreturn_t i2c_dw_isr(int this_irq, void *dev_id) tx_aborted: if ((stat & (DW_IC_INTR_TX_ABRT | DW_IC_INTR_STOP_DET)) || dev->msg_err) complete(&dev->cmd_complete); + else if (unlikely(dev->accessor_flags & ACCESS_INTR_MASK)) { + /* workaround to trigger pending interrupt */ + stat = dw_readl(dev, DW_IC_INTR_MASK); + i2c_dw_disable_int(dev); + dw_writel(dev, stat, DW_IC_INTR_MASK); + } return IRQ_HANDLED; } diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h index 1d50898..9ffb63a 100644 --- a/drivers/i2c/busses/i2c-designware-core.h +++ b/drivers/i2c/busses/i2c-designware-core.h @@ -111,6 +111,7 @@ struct dw_i2c_dev { #define ACCESS_SWAP 0x00000001 #define ACCESS_16BIT 0x00000002 +#define ACCESS_INTR_MASK 0x00000004 extern int i2c_dw_init(struct dw_i2c_dev *dev); extern void i2c_dw_disable(struct dw_i2c_dev *dev); diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 809579e..bf72ae7 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -36,6 +36,7 @@ #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/pm_runtime.h> +#include <linux/property.h> #include <linux/io.h> #include <linux/slab.h> #include <linux/acpi.h> @@ -93,6 +94,7 @@ static void dw_i2c_acpi_params(struct platform_device *pdev, char method[], static int dw_i2c_acpi_configure(struct platform_device *pdev) { struct dw_i2c_dev *dev = platform_get_drvdata(pdev); + const struct acpi_device_id *id; dev->adapter.nr = -1; dev->tx_fifo_depth = 32; @@ -106,6 +108,10 @@ static int dw_i2c_acpi_configure(struct platform_device *pdev) dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt, &dev->sda_hold_time); + id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev); + if (id && id->driver_data) + dev->accessor_flags |= (u32)id->driver_data; + return 0; } @@ -116,7 +122,8 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = { { "INT3433", 0 }, { "80860F41", 0 }, { "808622C1", 0 }, - { "AMD0010", 0 }, + { "AMD0010", ACCESS_INTR_MASK }, + { "APMC0D0F", 0 }, { } }; MODULE_DEVICE_TABLE(acpi, dw_i2c_acpi_match); @@ -129,10 +136,10 @@ static inline int dw_i2c_acpi_configure(struct platform_device *pdev) static int dw_i2c_plat_probe(struct platform_device *pdev) { + struct dw_i2c_platform_data *pdata = dev_get_platdata(&pdev->dev); struct dw_i2c_dev *dev; struct i2c_adapter *adap; struct resource *mem; - struct dw_i2c_platform_data *pdata; int irq, r; u32 clk_freq, ht = 0; @@ -156,33 +163,28 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) /* fast mode by default because of legacy reasons */ clk_freq = 400000; - if (has_acpi_companion(&pdev->dev)) { - dw_i2c_acpi_configure(pdev); - } else if (pdev->dev.of_node) { - of_property_read_u32(pdev->dev.of_node, - "i2c-sda-hold-time-ns", &ht); - - of_property_read_u32(pdev->dev.of_node, - "i2c-sda-falling-time-ns", - &dev->sda_falling_time); - of_property_read_u32(pdev->dev.of_node, - "i2c-scl-falling-time-ns", - &dev->scl_falling_time); - - of_property_read_u32(pdev->dev.of_node, "clock-frequency", - &clk_freq); - - /* Only standard mode at 100kHz and fast mode at 400kHz - * are supported. - */ - if (clk_freq != 100000 && clk_freq != 400000) { - dev_err(&pdev->dev, "Only 100kHz and 400kHz supported"); - return -EINVAL; - } + if (pdata) { + clk_freq = pdata->i2c_scl_freq; } else { - pdata = dev_get_platdata(&pdev->dev); - if (pdata) - clk_freq = pdata->i2c_scl_freq; + device_property_read_u32(&pdev->dev, "i2c-sda-hold-time-ns", + &ht); + device_property_read_u32(&pdev->dev, "i2c-sda-falling-time-ns", + &dev->sda_falling_time); + device_property_read_u32(&pdev->dev, "i2c-scl-falling-time-ns", + &dev->scl_falling_time); + device_property_read_u32(&pdev->dev, "clock-frequency", + &clk_freq); + } + + if (has_acpi_companion(&pdev->dev)) + dw_i2c_acpi_configure(pdev); + + /* + * Only standard mode at 100kHz and fast mode at 400kHz are supported. + */ + if (clk_freq != 100000 && clk_freq != 400000) { + dev_err(&pdev->dev, "Only 100kHz and 400kHz supported"); + return -EINVAL; } r = i2c_dw_eval_lock_support(dev); @@ -240,12 +242,10 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) } r = i2c_dw_probe(dev); - if (r) { + if (r && !dev->pm_runtime_disabled) pm_runtime_disable(&pdev->dev); - return r; - } - return 0; + return r; } static int dw_i2c_plat_remove(struct platform_device *pdev) @@ -260,7 +260,8 @@ static int dw_i2c_plat_remove(struct platform_device *pdev) pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_put_sync(&pdev->dev); - pm_runtime_disable(&pdev->dev); + if (!dev->pm_runtime_disabled) + pm_runtime_disable(&pdev->dev); return 0; } diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 9bb0b05..d4d8536 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -1119,6 +1119,8 @@ static int i2c_imx_probe(struct platform_device *pdev) i2c_imx, IMX_I2C_I2CR); imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx, IMX_I2C_I2SR); + i2c_imx_init_recovery_info(i2c_imx, pdev); + /* Add I2C adapter */ ret = i2c_add_numbered_adapter(&i2c_imx->adapter); if (ret < 0) { @@ -1126,8 +1128,6 @@ static int i2c_imx_probe(struct platform_device *pdev) goto clk_disable; } - i2c_imx_init_recovery_info(i2c_imx, pdev); - /* Set up platform driver data */ platform_set_drvdata(pdev, i2c_imx); clk_disable_unprepare(i2c_imx->clk); diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index 5801227..43207f5 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -146,6 +146,8 @@ struct mv64xxx_i2c_data { bool errata_delay; struct reset_control *rstc; bool irq_clear_inverted; + /* Clk div is 2 to the power n, not 2 to the power n + 1 */ + bool clk_n_base_0; }; static struct mv64xxx_i2c_regs mv64xxx_i2c_regs_mv64xxx = { @@ -757,25 +759,29 @@ MODULE_DEVICE_TABLE(of, mv64xxx_i2c_of_match_table); #ifdef CONFIG_OF #ifdef CONFIG_HAVE_CLK static int -mv64xxx_calc_freq(const int tclk, const int n, const int m) +mv64xxx_calc_freq(struct mv64xxx_i2c_data *drv_data, + const int tclk, const int n, const int m) { - return tclk / (10 * (m + 1) * (2 << n)); + if (drv_data->clk_n_base_0) + return tclk / (10 * (m + 1) * (1 << n)); + else + return tclk / (10 * (m + 1) * (2 << n)); } static bool -mv64xxx_find_baud_factors(const u32 req_freq, const u32 tclk, u32 *best_n, - u32 *best_m) +mv64xxx_find_baud_factors(struct mv64xxx_i2c_data *drv_data, + const u32 req_freq, const u32 tclk) { int freq, delta, best_delta = INT_MAX; int m, n; for (n = 0; n <= 7; n++) for (m = 0; m <= 15; m++) { - freq = mv64xxx_calc_freq(tclk, n, m); + freq = mv64xxx_calc_freq(drv_data, tclk, n, m); delta = req_freq - freq; if (delta >= 0 && delta < best_delta) { - *best_m = m; - *best_n = n; + drv_data->freq_m = m; + drv_data->freq_n = n; best_delta = delta; } if (best_delta == 0) @@ -813,8 +819,11 @@ mv64xxx_of_config(struct mv64xxx_i2c_data *drv_data, if (of_property_read_u32(np, "clock-frequency", &bus_freq)) bus_freq = 100000; /* 100kHz by default */ - if (!mv64xxx_find_baud_factors(bus_freq, tclk, - &drv_data->freq_n, &drv_data->freq_m)) { + if (of_device_is_compatible(np, "allwinner,sun4i-a10-i2c") || + of_device_is_compatible(np, "allwinner,sun6i-a31-i2c")) + drv_data->clk_n_base_0 = true; + + if (!mv64xxx_find_baud_factors(drv_data, bus_freq, tclk)) { rc = -EINVAL; goto out; } diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index b0ae560..599c0d7 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -576,7 +576,7 @@ static int rcar_reg_slave(struct i2c_client *slave) if (slave->flags & I2C_CLIENT_TEN) return -EAFNOSUPPORT; - pm_runtime_forbid(rcar_i2c_priv_to_dev(priv)); + pm_runtime_get_sync(rcar_i2c_priv_to_dev(priv)); priv->slave = slave; rcar_i2c_write(priv, ICSAR, slave->addr); @@ -598,7 +598,7 @@ static int rcar_unreg_slave(struct i2c_client *slave) priv->slave = NULL; - pm_runtime_allow(rcar_i2c_priv_to_dev(priv)); + pm_runtime_put(rcar_i2c_priv_to_dev(priv)); return 0; } diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index c1935eb..9096d17 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -908,7 +908,7 @@ static int rk3x_i2c_probe(struct platform_device *pdev) &i2c->scl_fall_ns)) i2c->scl_fall_ns = 300; if (of_property_read_u32(pdev->dev.of_node, "i2c-sda-falling-time-ns", - &i2c->scl_fall_ns)) + &i2c->sda_fall_ns)) i2c->sda_fall_ns = i2c->scl_fall_ns; strlcpy(i2c->adap.name, "rk3x-i2c", sizeof(i2c->adap.name)); diff --git a/drivers/i2c/busses/i2c-st.c b/drivers/i2c/busses/i2c-st.c index ea72dca..25020ec 100644 --- a/drivers/i2c/busses/i2c-st.c +++ b/drivers/i2c/busses/i2c-st.c @@ -822,7 +822,7 @@ static int st_i2c_probe(struct platform_device *pdev) adap = &i2c_dev->adap; i2c_set_adapdata(adap, i2c_dev); - snprintf(adap->name, sizeof(adap->name), "ST I2C(0x%pa)", &res->start); + snprintf(adap->name, sizeof(adap->name), "ST I2C(%pa)", &res->start); adap->owner = THIS_MODULE; adap->timeout = 2 * HZ; adap->retries = 0; diff --git a/drivers/iio/adc/qcom-spmi-vadc.c b/drivers/iio/adc/qcom-spmi-vadc.c index 0c4618b..c2babe5 100644 --- a/drivers/iio/adc/qcom-spmi-vadc.c +++ b/drivers/iio/adc/qcom-spmi-vadc.c @@ -839,8 +839,10 @@ static int vadc_get_dt_data(struct vadc_priv *vadc, struct device_node *node) for_each_available_child_of_node(node, child) { ret = vadc_get_dt_channel_data(vadc->dev, &prop, child); - if (ret) + if (ret) { + of_node_put(child); return ret; + } vadc->chan_props[index] = prop; diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index d7e908a..0f6f63b 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -302,7 +302,7 @@ static int iio_scan_mask_set(struct iio_dev *indio_dev, if (trialmask == NULL) return -ENOMEM; if (!indio_dev->masklength) { - WARN_ON("Trying to set scanmask prior to registering buffer\n"); + WARN(1, "Trying to set scanmask prior to registering buffer\n"); goto err_invalid_mask; } bitmap_copy(trialmask, buffer->scan_mask, indio_dev->masklength); diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 208358f..159ede6 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -655,7 +655,7 @@ int __iio_device_attr_init(struct device_attribute *dev_attr, break; case IIO_SEPARATE: if (!chan->indexed) { - WARN_ON("Differential channels must be indexed\n"); + WARN(1, "Differential channels must be indexed\n"); ret = -EINVAL; goto error_free_full_postfix; } diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c index 7d269ef..f6a07dc 100644 --- a/drivers/iio/light/apds9960.c +++ b/drivers/iio/light/apds9960.c @@ -453,6 +453,7 @@ static int apds9960_set_power_state(struct apds9960_data *data, bool on) usleep_range(data->als_adc_int_us, APDS9960_MAX_INT_TIME_IN_US); } else { + pm_runtime_mark_last_busy(dev); ret = pm_runtime_put_autosuspend(dev); } diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c index 961f9f99..e544fcf 100644 --- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c +++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c @@ -130,10 +130,10 @@ static int lidar_get_measurement(struct lidar_data *data, u16 *reg) if (ret < 0) break; - /* return 0 since laser is likely pointed out of range */ + /* return -EINVAL since laser is likely pointed out of range */ if (ret & LIDAR_REG_STATUS_INVALID) { *reg = 0; - ret = 0; + ret = -EINVAL; break; } @@ -197,7 +197,7 @@ static irqreturn_t lidar_trigger_handler(int irq, void *private) if (!ret) { iio_push_to_buffers_with_timestamp(indio_dev, data->buffer, iio_get_time_ns()); - } else { + } else if (ret != -EINVAL) { dev_err(&data->client->dev, "cannot read LIDAR measurement"); } diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 944cd90..2d762a2 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1126,10 +1126,7 @@ static bool validate_ipv4_net_dev(struct net_device *net_dev, rcu_read_lock(); err = fib_lookup(dev_net(net_dev), &fl4, &res, 0); - if (err) - return false; - - ret = FIB_RES_DEV(res) == net_dev; + ret = err == 0 && FIB_RES_DEV(res) == net_dev; rcu_read_unlock(); return ret; @@ -1268,15 +1265,17 @@ static bool cma_protocol_roce(const struct rdma_cm_id *id) return cma_protocol_roce_dev_port(device, port_num); } -static bool cma_match_net_dev(const struct rdma_id_private *id_priv, - const struct net_device *net_dev) +static bool cma_match_net_dev(const struct rdma_cm_id *id, + const struct net_device *net_dev, + u8 port_num) { - const struct rdma_addr *addr = &id_priv->id.route.addr; + const struct rdma_addr *addr = &id->route.addr; if (!net_dev) /* This request is an AF_IB request or a RoCE request */ - return addr->src_addr.ss_family == AF_IB || - cma_protocol_roce(&id_priv->id); + return (!id->port_num || id->port_num == port_num) && + (addr->src_addr.ss_family == AF_IB || + cma_protocol_roce_dev_port(id->device, port_num)); return !addr->dev_addr.bound_dev_if || (net_eq(dev_net(net_dev), addr->dev_addr.net) && @@ -1298,13 +1297,13 @@ static struct rdma_id_private *cma_find_listener( hlist_for_each_entry(id_priv, &bind_list->owners, node) { if (cma_match_private_data(id_priv, ib_event->private_data)) { if (id_priv->id.device == cm_id->device && - cma_match_net_dev(id_priv, net_dev)) + cma_match_net_dev(&id_priv->id, net_dev, req->port)) return id_priv; list_for_each_entry(id_priv_dev, &id_priv->listen_list, listen_list) { if (id_priv_dev->id.device == cm_id->device && - cma_match_net_dev(id_priv_dev, net_dev)) + cma_match_net_dev(&id_priv_dev->id, net_dev, req->port)) return id_priv_dev; } } diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 8d8af7a..2281de1 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -1811,6 +1811,11 @@ static int validate_mad(const struct ib_mad_hdr *mad_hdr, if (qp_num == 0) valid = 1; } else { + /* CM attributes other than ClassPortInfo only use Send method */ + if ((mad_hdr->mgmt_class == IB_MGMT_CLASS_CM) && + (mad_hdr->attr_id != IB_MGMT_CLASSPORTINFO_ATTR_ID) && + (mad_hdr->method != IB_MGMT_METHOD_SEND)) + goto out; /* Filter GSI packets sent to QP0 */ if (qp_num != 0) valid = 1; diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 2aba774..a95a32b 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -512,7 +512,7 @@ static int ib_nl_get_path_rec_attrs_len(ib_sa_comp_mask comp_mask) return len; } -static int ib_nl_send_msg(struct ib_sa_query *query) +static int ib_nl_send_msg(struct ib_sa_query *query, gfp_t gfp_mask) { struct sk_buff *skb = NULL; struct nlmsghdr *nlh; @@ -526,7 +526,7 @@ static int ib_nl_send_msg(struct ib_sa_query *query) if (len <= 0) return -EMSGSIZE; - skb = nlmsg_new(len, GFP_KERNEL); + skb = nlmsg_new(len, gfp_mask); if (!skb) return -ENOMEM; @@ -544,7 +544,7 @@ static int ib_nl_send_msg(struct ib_sa_query *query) /* Repair the nlmsg header length */ nlmsg_end(skb, nlh); - ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_LS, GFP_KERNEL); + ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_LS, gfp_mask); if (!ret) ret = len; else @@ -553,7 +553,7 @@ static int ib_nl_send_msg(struct ib_sa_query *query) return ret; } -static int ib_nl_make_request(struct ib_sa_query *query) +static int ib_nl_make_request(struct ib_sa_query *query, gfp_t gfp_mask) { unsigned long flags; unsigned long delay; @@ -562,25 +562,27 @@ static int ib_nl_make_request(struct ib_sa_query *query) INIT_LIST_HEAD(&query->list); query->seq = (u32)atomic_inc_return(&ib_nl_sa_request_seq); + /* Put the request on the list first.*/ spin_lock_irqsave(&ib_nl_request_lock, flags); - ret = ib_nl_send_msg(query); - if (ret <= 0) { - ret = -EIO; - goto request_out; - } else { - ret = 0; - } - delay = msecs_to_jiffies(sa_local_svc_timeout_ms); query->timeout = delay + jiffies; list_add_tail(&query->list, &ib_nl_request_list); /* Start the timeout if this is the only request */ if (ib_nl_request_list.next == &query->list) queue_delayed_work(ib_nl_wq, &ib_nl_timed_work, delay); - -request_out: spin_unlock_irqrestore(&ib_nl_request_lock, flags); + ret = ib_nl_send_msg(query, gfp_mask); + if (ret <= 0) { + ret = -EIO; + /* Remove the request */ + spin_lock_irqsave(&ib_nl_request_lock, flags); + list_del(&query->list); + spin_unlock_irqrestore(&ib_nl_request_lock, flags); + } else { + ret = 0; + } + return ret; } @@ -1108,7 +1110,7 @@ static int send_mad(struct ib_sa_query *query, int timeout_ms, gfp_t gfp_mask) if (query->flags & IB_SA_ENABLE_LOCAL_SERVICE) { if (!ibnl_chk_listeners(RDMA_NL_GROUP_LS)) { - if (!ib_nl_make_request(query)) + if (!ib_nl_make_request(query, gfp_mask)) return id; } ib_sa_disable_local_svc(query); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 94816ae..1c02dea 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -62,9 +62,11 @@ static struct uverbs_lock_class rule_lock_class = { .name = "RULE-uobj" }; * The ib_uobject locking scheme is as follows: * * - ib_uverbs_idr_lock protects the uverbs idrs themselves, so it - * needs to be held during all idr operations. When an object is + * needs to be held during all idr write operations. When an object is * looked up, a reference must be taken on the object's kref before - * dropping this lock. + * dropping this lock. For read operations, the rcu_read_lock() + * and rcu_write_lock() but similarly the kref reference is grabbed + * before the rcu_read_unlock(). * * - Each object also has an rwsem. This rwsem must be held for * reading while an operation that uses the object is performed. @@ -96,7 +98,7 @@ static void init_uobj(struct ib_uobject *uobj, u64 user_handle, static void release_uobj(struct kref *kref) { - kfree(container_of(kref, struct ib_uobject, ref)); + kfree_rcu(container_of(kref, struct ib_uobject, ref), rcu); } static void put_uobj(struct ib_uobject *uobj) @@ -145,7 +147,7 @@ static struct ib_uobject *__idr_get_uobj(struct idr *idr, int id, { struct ib_uobject *uobj; - spin_lock(&ib_uverbs_idr_lock); + rcu_read_lock(); uobj = idr_find(idr, id); if (uobj) { if (uobj->context == context) @@ -153,7 +155,7 @@ static struct ib_uobject *__idr_get_uobj(struct idr *idr, int id, else uobj = NULL; } - spin_unlock(&ib_uverbs_idr_lock); + rcu_read_unlock(); return uobj; } @@ -2446,6 +2448,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, int i, sg_ind; int is_ud; ssize_t ret = -EINVAL; + size_t next_size; if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; @@ -2490,7 +2493,8 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, goto out_put; } - ud = alloc_wr(sizeof(*ud), user_wr->num_sge); + next_size = sizeof(*ud); + ud = alloc_wr(next_size, user_wr->num_sge); if (!ud) { ret = -ENOMEM; goto out_put; @@ -2511,7 +2515,8 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, user_wr->opcode == IB_WR_RDMA_READ) { struct ib_rdma_wr *rdma; - rdma = alloc_wr(sizeof(*rdma), user_wr->num_sge); + next_size = sizeof(*rdma); + rdma = alloc_wr(next_size, user_wr->num_sge); if (!rdma) { ret = -ENOMEM; goto out_put; @@ -2525,7 +2530,8 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, user_wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD) { struct ib_atomic_wr *atomic; - atomic = alloc_wr(sizeof(*atomic), user_wr->num_sge); + next_size = sizeof(*atomic); + atomic = alloc_wr(next_size, user_wr->num_sge); if (!atomic) { ret = -ENOMEM; goto out_put; @@ -2540,7 +2546,8 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, } else if (user_wr->opcode == IB_WR_SEND || user_wr->opcode == IB_WR_SEND_WITH_IMM || user_wr->opcode == IB_WR_SEND_WITH_INV) { - next = alloc_wr(sizeof(*next), user_wr->num_sge); + next_size = sizeof(*next); + next = alloc_wr(next_size, user_wr->num_sge); if (!next) { ret = -ENOMEM; goto out_put; @@ -2572,7 +2579,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, if (next->num_sge) { next->sg_list = (void *) next + - ALIGN(sizeof *next, sizeof (struct ib_sge)); + ALIGN(next_size, sizeof(struct ib_sge)); if (copy_from_user(next->sg_list, buf + sizeof cmd + cmd.wr_count * cmd.wqe_size + diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 043a60e..545906d 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1516,7 +1516,7 @@ EXPORT_SYMBOL(ib_map_mr_sg); * @sg_nents: number of entries in sg * @set_page: driver page assignment function pointer * - * Core service helper for drivers to covert the largest + * Core service helper for drivers to convert the largest * prefix of given sg list to a page vector. The sg list * prefix converted is the prefix that meet the requirements * of ib_map_mr_sg. @@ -1533,7 +1533,7 @@ int ib_sg_to_pages(struct ib_mr *mr, u64 last_end_dma_addr = 0, last_page_addr = 0; unsigned int last_page_off = 0; u64 page_mask = ~((u64)mr->page_size - 1); - int i; + int i, ret; mr->iova = sg_dma_address(&sgl[0]); mr->length = 0; @@ -1544,27 +1544,29 @@ int ib_sg_to_pages(struct ib_mr *mr, u64 end_dma_addr = dma_addr + dma_len; u64 page_addr = dma_addr & page_mask; - if (i && page_addr != dma_addr) { - if (last_end_dma_addr != dma_addr) { - /* gap */ - goto done; - - } else if (last_page_off + dma_len <= mr->page_size) { - /* chunk this fragment with the last */ - mr->length += dma_len; - last_end_dma_addr += dma_len; - last_page_off += dma_len; - continue; - } else { - /* map starting from the next page */ - page_addr = last_page_addr + mr->page_size; - dma_len -= mr->page_size - last_page_off; - } + /* + * For the second and later elements, check whether either the + * end of element i-1 or the start of element i is not aligned + * on a page boundary. + */ + if (i && (last_page_off != 0 || page_addr != dma_addr)) { + /* Stop mapping if there is a gap. */ + if (last_end_dma_addr != dma_addr) + break; + + /* + * Coalesce this element with the last. If it is small + * enough just update mr->length. Otherwise start + * mapping from the next page. + */ + goto next_page; } do { - if (unlikely(set_page(mr, page_addr))) - goto done; + ret = set_page(mr, page_addr); + if (unlikely(ret < 0)) + return i ? : ret; +next_page: page_addr += mr->page_size; } while (page_addr < end_dma_addr); @@ -1574,7 +1576,6 @@ int ib_sg_to_pages(struct ib_mr *mr, last_page_off = end_dma_addr & ~page_mask; } -done: return i; } EXPORT_SYMBOL(ib_sg_to_pages); diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index f567160..97d6878 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -456,7 +456,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; props->max_sge = min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg); - props->max_sge_rd = props->max_sge; + props->max_sge_rd = MLX4_MAX_SGE_RD; props->max_cq = dev->dev->quotas.cq; props->max_cqe = dev->dev->caps.max_cqes; props->max_mr = dev->dev->quotas.mpt; diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index a2e4ca5..13eaaf4 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -34,6 +34,7 @@ #include <linux/log2.h> #include <linux/slab.h> #include <linux/netdevice.h> +#include <linux/vmalloc.h> #include <rdma/ib_cache.h> #include <rdma/ib_pack.h> @@ -795,8 +796,14 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, if (err) goto err_mtt; - qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof (u64), gfp); - qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof (u64), gfp); + qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(u64), gfp); + if (!qp->sq.wrid) + qp->sq.wrid = __vmalloc(qp->sq.wqe_cnt * sizeof(u64), + gfp, PAGE_KERNEL); + qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(u64), gfp); + if (!qp->rq.wrid) + qp->rq.wrid = __vmalloc(qp->rq.wqe_cnt * sizeof(u64), + gfp, PAGE_KERNEL); if (!qp->sq.wrid || !qp->rq.wrid) { err = -ENOMEM; goto err_wrid; @@ -886,8 +893,8 @@ err_wrid: if (qp_has_rq(init_attr)) mlx4_ib_db_unmap_user(to_mucontext(pd->uobject->context), &qp->db); } else { - kfree(qp->sq.wrid); - kfree(qp->rq.wrid); + kvfree(qp->sq.wrid); + kvfree(qp->rq.wrid); } err_mtt: @@ -1062,8 +1069,8 @@ static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp, &qp->db); ib_umem_release(qp->umem); } else { - kfree(qp->sq.wrid); - kfree(qp->rq.wrid); + kvfree(qp->sq.wrid); + kvfree(qp->rq.wrid); if (qp->mlx4_ib_qp_type & (MLX4_IB_QPT_PROXY_SMI_OWNER | MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI)) free_proxy_bufs(&dev->ib_dev, qp); diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c index dce5dfe..c394376 100644 --- a/drivers/infiniband/hw/mlx4/srq.c +++ b/drivers/infiniband/hw/mlx4/srq.c @@ -34,6 +34,7 @@ #include <linux/mlx4/qp.h> #include <linux/mlx4/srq.h> #include <linux/slab.h> +#include <linux/vmalloc.h> #include "mlx4_ib.h" #include "user.h" @@ -172,8 +173,12 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, srq->wrid = kmalloc(srq->msrq.max * sizeof (u64), GFP_KERNEL); if (!srq->wrid) { - err = -ENOMEM; - goto err_mtt; + srq->wrid = __vmalloc(srq->msrq.max * sizeof(u64), + GFP_KERNEL, PAGE_KERNEL); + if (!srq->wrid) { + err = -ENOMEM; + goto err_mtt; + } } } @@ -204,7 +209,7 @@ err_wrid: if (pd->uobject) mlx4_ib_db_unmap_user(to_mucontext(pd->uobject->context), &srq->db); else - kfree(srq->wrid); + kvfree(srq->wrid); err_mtt: mlx4_mtt_cleanup(dev->dev, &srq->mtt); @@ -281,7 +286,7 @@ int mlx4_ib_destroy_srq(struct ib_srq *srq) mlx4_ib_db_unmap_user(to_mucontext(srq->uobject->context), &msrq->db); ib_umem_release(msrq->umem); } else { - kfree(msrq->wrid); + kvfree(msrq->wrid); mlx4_buf_free(dev->dev, msrq->msrq.max << msrq->msrq.wqe_shift, &msrq->buf); mlx4_db_free(dev->dev, &msrq->db); diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index ec8993a..6000f7a 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -381,7 +381,19 @@ static void __cache_work_func(struct mlx5_cache_ent *ent) } } } else if (ent->cur > 2 * ent->limit) { - if (!someone_adding(cache) && + /* + * The remove_keys() logic is performed as garbage collection + * task. Such task is intended to be run when no other active + * processes are running. + * + * The need_resched() will return TRUE if there are user tasks + * to be activated in near future. + * + * In such case, we don't execute remove_keys() and postpone + * the garbage collection work to try to run in next cycle, + * in order to free CPU resources to other tasks. + */ + if (!need_resched() && !someone_adding(cache) && time_after(jiffies, cache->last_add + 300 * HZ)) { remove_keys(dev, i, 1); if (ent->cur > ent->limit) diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index ae80590..040bb8b 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -232,6 +232,10 @@ struct phy_info { u16 interface_type; }; +enum ocrdma_flags { + OCRDMA_FLAGS_LINK_STATUS_INIT = 0x01 +}; + struct ocrdma_dev { struct ib_device ibdev; struct ocrdma_dev_attr attr; @@ -287,6 +291,7 @@ struct ocrdma_dev { atomic_t update_sl; u16 pvid; u32 asic_id; + u32 flags; ulong last_stats_time; struct mutex stats_lock; /* provide synch for debugfs operations */ @@ -591,4 +596,9 @@ static inline u8 ocrdma_is_enabled_and_synced(u32 state) (state & OCRDMA_STATE_FLAG_SYNC); } +static inline u8 ocrdma_get_ae_link_state(u32 ae_state) +{ + return ((ae_state & OCRDMA_AE_LSC_LS_MASK) >> OCRDMA_AE_LSC_LS_SHIFT); +} + #endif diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 30f67be..283ca84 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -579,6 +579,8 @@ static int ocrdma_mbx_create_mq(struct ocrdma_dev *dev, cmd->async_event_bitmap = BIT(OCRDMA_ASYNC_GRP5_EVE_CODE); cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_RDMA_EVE_CODE); + /* Request link events on this MQ. */ + cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_LINK_EVE_CODE); cmd->async_cqid_ringsize = cq->id; cmd->async_cqid_ringsize |= (ocrdma_encoded_q_len(mq->len) << @@ -819,20 +821,42 @@ static void ocrdma_process_grp5_aync(struct ocrdma_dev *dev, } } +static void ocrdma_process_link_state(struct ocrdma_dev *dev, + struct ocrdma_ae_mcqe *cqe) +{ + struct ocrdma_ae_lnkst_mcqe *evt; + u8 lstate; + + evt = (struct ocrdma_ae_lnkst_mcqe *)cqe; + lstate = ocrdma_get_ae_link_state(evt->speed_state_ptn); + + if (!(lstate & OCRDMA_AE_LSC_LLINK_MASK)) + return; + + if (dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT) + ocrdma_update_link_state(dev, (lstate & OCRDMA_LINK_ST_MASK)); +} + static void ocrdma_process_acqe(struct ocrdma_dev *dev, void *ae_cqe) { /* async CQE processing */ struct ocrdma_ae_mcqe *cqe = ae_cqe; u32 evt_code = (cqe->valid_ae_event & OCRDMA_AE_MCQE_EVENT_CODE_MASK) >> OCRDMA_AE_MCQE_EVENT_CODE_SHIFT; - - if (evt_code == OCRDMA_ASYNC_RDMA_EVE_CODE) + switch (evt_code) { + case OCRDMA_ASYNC_LINK_EVE_CODE: + ocrdma_process_link_state(dev, cqe); + break; + case OCRDMA_ASYNC_RDMA_EVE_CODE: ocrdma_dispatch_ibevent(dev, cqe); - else if (evt_code == OCRDMA_ASYNC_GRP5_EVE_CODE) + break; + case OCRDMA_ASYNC_GRP5_EVE_CODE: ocrdma_process_grp5_aync(dev, cqe); - else + break; + default: pr_err("%s(%d) invalid evt code=0x%x\n", __func__, dev->id, evt_code); + } } static void ocrdma_process_mcqe(struct ocrdma_dev *dev, struct ocrdma_mcqe *cqe) @@ -1363,7 +1387,8 @@ mbx_err: return status; } -int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed) +int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed, + u8 *lnk_state) { int status = -ENOMEM; struct ocrdma_get_link_speed_rsp *rsp; @@ -1384,8 +1409,11 @@ int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed) goto mbx_err; rsp = (struct ocrdma_get_link_speed_rsp *)cmd; - *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK) - >> OCRDMA_PHY_PS_SHIFT; + if (lnk_speed) + *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK) + >> OCRDMA_PHY_PS_SHIFT; + if (lnk_state) + *lnk_state = (rsp->res_lnk_st & OCRDMA_LINK_ST_MASK); mbx_err: kfree(cmd); @@ -2515,9 +2543,10 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp, ocrdma_cpu_to_le32(&cmd->params.sgid[0], sizeof(cmd->params.sgid)); cmd->params.vlan_dmac_b4_to_b5 = mac_addr[4] | (mac_addr[5] << 8); - if (vlan_id < 0x1000) { - if (dev->pfc_state) { - vlan_id = 0; + if (vlan_id == 0xFFFF) + vlan_id = 0; + if (vlan_id || dev->pfc_state) { + if (!vlan_id) { pr_err("ocrdma%d:Using VLAN with PFC is recommended\n", dev->id); pr_err("ocrdma%d:Using VLAN 0 for this connection\n", diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h index 7ed885c..ebc1f44 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h @@ -106,7 +106,8 @@ void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed, bool solicited, u16 cqe_popped); /* verbs specific mailbox commands */ -int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed); +int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed, + u8 *lnk_st); int ocrdma_query_config(struct ocrdma_dev *, struct ocrdma_mbx_query_config *config); @@ -153,5 +154,6 @@ char *port_speed_string(struct ocrdma_dev *dev); void ocrdma_init_service_level(struct ocrdma_dev *); void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev); void ocrdma_free_pd_range(struct ocrdma_dev *dev); +void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate); #endif /* __OCRDMA_HW_H__ */ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 62b7009..3afb40b 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -290,6 +290,7 @@ static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev) static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info) { int status = 0, i; + u8 lstate = 0; struct ocrdma_dev *dev; dev = (struct ocrdma_dev *)ib_alloc_device(sizeof(struct ocrdma_dev)); @@ -319,6 +320,11 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info) if (status) goto alloc_err; + /* Query Link state and update */ + status = ocrdma_mbx_get_link_speed(dev, NULL, &lstate); + if (!status) + ocrdma_update_link_state(dev, lstate); + for (i = 0; i < ARRAY_SIZE(ocrdma_attributes); i++) if (device_create_file(&dev->ibdev.dev, ocrdma_attributes[i])) goto sysfs_err; @@ -373,7 +379,7 @@ static void ocrdma_remove(struct ocrdma_dev *dev) ocrdma_remove_free(dev); } -static int ocrdma_open(struct ocrdma_dev *dev) +static int ocrdma_dispatch_port_active(struct ocrdma_dev *dev) { struct ib_event port_event; @@ -384,32 +390,9 @@ static int ocrdma_open(struct ocrdma_dev *dev) return 0; } -static int ocrdma_close(struct ocrdma_dev *dev) +static int ocrdma_dispatch_port_error(struct ocrdma_dev *dev) { - int i; - struct ocrdma_qp *qp, **cur_qp; struct ib_event err_event; - struct ib_qp_attr attrs; - int attr_mask = IB_QP_STATE; - - attrs.qp_state = IB_QPS_ERR; - mutex_lock(&dev->dev_lock); - if (dev->qp_tbl) { - cur_qp = dev->qp_tbl; - for (i = 0; i < OCRDMA_MAX_QP; i++) { - qp = cur_qp[i]; - if (qp && qp->ibqp.qp_type != IB_QPT_GSI) { - /* change the QP state to ERROR */ - _ocrdma_modify_qp(&qp->ibqp, &attrs, attr_mask); - - err_event.event = IB_EVENT_QP_FATAL; - err_event.element.qp = &qp->ibqp; - err_event.device = &dev->ibdev; - ib_dispatch_event(&err_event); - } - } - } - mutex_unlock(&dev->dev_lock); err_event.event = IB_EVENT_PORT_ERR; err_event.element.port_num = 1; @@ -420,7 +403,7 @@ static int ocrdma_close(struct ocrdma_dev *dev) static void ocrdma_shutdown(struct ocrdma_dev *dev) { - ocrdma_close(dev); + ocrdma_dispatch_port_error(dev); ocrdma_remove(dev); } @@ -431,18 +414,28 @@ static void ocrdma_shutdown(struct ocrdma_dev *dev) static void ocrdma_event_handler(struct ocrdma_dev *dev, u32 event) { switch (event) { - case BE_DEV_UP: - ocrdma_open(dev); - break; - case BE_DEV_DOWN: - ocrdma_close(dev); - break; case BE_DEV_SHUTDOWN: ocrdma_shutdown(dev); break; + default: + break; } } +void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate) +{ + if (!(dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)) { + dev->flags |= OCRDMA_FLAGS_LINK_STATUS_INIT; + if (!lstate) + return; + } + + if (!lstate) + ocrdma_dispatch_port_error(dev); + else + ocrdma_dispatch_port_active(dev); +} + static struct ocrdma_driver ocrdma_drv = { .name = "ocrdma_driver", .add = ocrdma_add, diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h index 6a38268..99dd6fd 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h @@ -465,8 +465,11 @@ struct ocrdma_ae_qp_mcqe { u32 valid_ae_event; }; -#define OCRDMA_ASYNC_RDMA_EVE_CODE 0x14 -#define OCRDMA_ASYNC_GRP5_EVE_CODE 0x5 +enum ocrdma_async_event_code { + OCRDMA_ASYNC_LINK_EVE_CODE = 0x01, + OCRDMA_ASYNC_GRP5_EVE_CODE = 0x05, + OCRDMA_ASYNC_RDMA_EVE_CODE = 0x14 +}; enum ocrdma_async_grp5_events { OCRDMA_ASYNC_EVENT_QOS_VALUE = 0x01, @@ -489,6 +492,44 @@ enum OCRDMA_ASYNC_EVENT_TYPE { OCRDMA_MAX_ASYNC_ERRORS }; +struct ocrdma_ae_lnkst_mcqe { + u32 speed_state_ptn; + u32 qos_reason_falut; + u32 evt_tag; + u32 valid_ae_event; +}; + +enum { + OCRDMA_AE_LSC_PORT_NUM_MASK = 0x3F, + OCRDMA_AE_LSC_PT_SHIFT = 0x06, + OCRDMA_AE_LSC_PT_MASK = (0x03 << + OCRDMA_AE_LSC_PT_SHIFT), + OCRDMA_AE_LSC_LS_SHIFT = 0x08, + OCRDMA_AE_LSC_LS_MASK = (0xFF << + OCRDMA_AE_LSC_LS_SHIFT), + OCRDMA_AE_LSC_LD_SHIFT = 0x10, + OCRDMA_AE_LSC_LD_MASK = (0xFF << + OCRDMA_AE_LSC_LD_SHIFT), + OCRDMA_AE_LSC_PPS_SHIFT = 0x18, + OCRDMA_AE_LSC_PPS_MASK = (0xFF << + OCRDMA_AE_LSC_PPS_SHIFT), + OCRDMA_AE_LSC_PPF_MASK = 0xFF, + OCRDMA_AE_LSC_ER_SHIFT = 0x08, + OCRDMA_AE_LSC_ER_MASK = (0xFF << + OCRDMA_AE_LSC_ER_SHIFT), + OCRDMA_AE_LSC_QOS_SHIFT = 0x10, + OCRDMA_AE_LSC_QOS_MASK = (0xFFFF << + OCRDMA_AE_LSC_QOS_SHIFT) +}; + +enum { + OCRDMA_AE_LSC_PLINK_DOWN = 0x00, + OCRDMA_AE_LSC_PLINK_UP = 0x01, + OCRDMA_AE_LSC_LLINK_DOWN = 0x02, + OCRDMA_AE_LSC_LLINK_MASK = 0x02, + OCRDMA_AE_LSC_LLINK_UP = 0x03 +}; + /* mailbox command request and responses */ enum { OCRDMA_MBX_QUERY_CFG_CQ_OVERFLOW_SHIFT = 2, @@ -676,7 +717,7 @@ enum { OCRDMA_PHY_PFLT_SHIFT = 0x18, OCRDMA_QOS_LNKSP_MASK = 0xFFFF0000, OCRDMA_QOS_LNKSP_SHIFT = 0x10, - OCRDMA_LLST_MASK = 0xFF, + OCRDMA_LINK_ST_MASK = 0x01, OCRDMA_PLFC_MASK = 0x00000400, OCRDMA_PLFC_SHIFT = 0x8, OCRDMA_PLRFC_MASK = 0x00000200, @@ -691,7 +732,7 @@ struct ocrdma_get_link_speed_rsp { u32 pflt_pps_ld_pnum; u32 qos_lsp; - u32 res_lls; + u32 res_lnk_st; }; enum { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 583001b..76e96f9 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -171,7 +171,7 @@ static inline void get_link_speed_and_width(struct ocrdma_dev *dev, int status; u8 speed; - status = ocrdma_mbx_get_link_speed(dev, &speed); + status = ocrdma_mbx_get_link_speed(dev, &speed, NULL); if (status) speed = OCRDMA_PHYS_LINK_SPEED_ZERO; diff --git a/drivers/infiniband/hw/qib/qib_qsfp.c b/drivers/infiniband/hw/qib/qib_qsfp.c index 5e27f76..4c7c3c8 100644 --- a/drivers/infiniband/hw/qib/qib_qsfp.c +++ b/drivers/infiniband/hw/qib/qib_qsfp.c @@ -292,7 +292,7 @@ int qib_refresh_qsfp_cache(struct qib_pportdata *ppd, struct qib_qsfp_cache *cp) qib_dev_porterr(ppd->dd, ppd->port, "QSFP byte0 is 0x%02X, S/B 0x0C/D\n", peek[0]); - if ((peek[2] & 2) == 0) { + if ((peek[2] & 4) == 0) { /* * If cable is paged, rather than "flat memory", we need to * set the page to zero, Even if it already appears to be zero. @@ -538,7 +538,7 @@ int qib_qsfp_dump(struct qib_pportdata *ppd, char *buf, int len) sofar += scnprintf(buf + sofar, len - sofar, "Date:%.*s\n", QSFP_DATE_LEN, cd.date); sofar += scnprintf(buf + sofar, len - sofar, "Lot:%.*s\n", - QSFP_LOT_LEN, cd.date); + QSFP_LOT_LEN, cd.lot); while (bidx < QSFP_DEFAULT_HDR_CNT) { int iidx; diff --git a/drivers/infiniband/hw/qib/qib_verbs.h b/drivers/infiniband/hw/qib/qib_verbs.h index 2baf5ad..bc803f3 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.h +++ b/drivers/infiniband/hw/qib/qib_verbs.h @@ -329,9 +329,9 @@ struct qib_sge { struct qib_mr { struct ib_mr ibmr; struct ib_umem *umem; - struct qib_mregion mr; /* must be last */ u64 *pages; u32 npages; + struct qib_mregion mr; /* must be last */ }; /* diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index a930702..42f4da6 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -1293,7 +1293,7 @@ u8 iser_check_task_pi_status(struct iscsi_iser_task *iser_task, if (mr_status.fail_status & IB_MR_CHECK_SIG_STATUS) { sector_t sector_off = mr_status.sig_err.sig_err_offset; - do_div(sector_off, sector_size + 8); + sector_div(sector_off, sector_size + 8); *sector = scsi_get_lba(iser_task->sc) + sector_off; pr_err("PI error found type %d at sector %llx " diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index dfbbbb2..8a51c3b 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -157,16 +157,9 @@ isert_create_qp(struct isert_conn *isert_conn, attr.recv_cq = comp->cq; attr.cap.max_send_wr = ISERT_QP_MAX_REQ_DTOS; attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS + 1; - /* - * FIXME: Use devattr.max_sge - 2 for max_send_sge as - * work-around for RDMA_READs with ConnectX-2. - * - * Also, still make sure to have at least two SGEs for - * outgoing control PDU responses. - */ - attr.cap.max_send_sge = max(2, device->dev_attr.max_sge - 2); - isert_conn->max_sge = attr.cap.max_send_sge; - + attr.cap.max_send_sge = device->dev_attr.max_sge; + isert_conn->max_sge = min(device->dev_attr.max_sge, + device->dev_attr.max_sge_rd); attr.cap.max_recv_sge = 1; attr.sq_sig_type = IB_SIGNAL_REQ_WR; attr.qp_type = IB_QPT_RC; diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 9909022..3db9a65 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -488,7 +488,7 @@ static int srp_create_ch_ib(struct srp_rdma_ch *ch) struct ib_qp *qp; struct ib_fmr_pool *fmr_pool = NULL; struct srp_fr_pool *fr_pool = NULL; - const int m = 1 + dev->use_fast_reg; + const int m = dev->use_fast_reg ? 3 : 1; struct ib_cq_init_attr cq_attr = {}; int ret; @@ -994,16 +994,16 @@ static int srp_connect_ch(struct srp_rdma_ch *ch, bool multich) ret = srp_lookup_path(ch); if (ret) - return ret; + goto out; while (1) { init_completion(&ch->done); ret = srp_send_req(ch, multich); if (ret) - return ret; + goto out; ret = wait_for_completion_interruptible(&ch->done); if (ret < 0) - return ret; + goto out; /* * The CM event handling code will set status to @@ -1011,15 +1011,16 @@ static int srp_connect_ch(struct srp_rdma_ch *ch, bool multich) * back, or SRP_DLID_REDIRECT if we get a lid/qp * redirect REJ back. */ - switch (ch->status) { + ret = ch->status; + switch (ret) { case 0: ch->connected = true; - return 0; + goto out; case SRP_PORT_REDIRECT: ret = srp_lookup_path(ch); if (ret) - return ret; + goto out; break; case SRP_DLID_REDIRECT: @@ -1028,13 +1029,16 @@ static int srp_connect_ch(struct srp_rdma_ch *ch, bool multich) case SRP_STALE_CONN: shost_printk(KERN_ERR, target->scsi_host, PFX "giving up on stale connection\n"); - ch->status = -ECONNRESET; - return ch->status; + ret = -ECONNRESET; + goto out; default: - return ch->status; + goto out; } } + +out: + return ret <= 0 ? ret : -ENODEV; } static int srp_inv_rkey(struct srp_rdma_ch *ch, u32 rkey) @@ -1309,7 +1313,7 @@ reset_state: } static int srp_map_finish_fr(struct srp_map_state *state, - struct srp_rdma_ch *ch) + struct srp_rdma_ch *ch, int sg_nents) { struct srp_target_port *target = ch->target; struct srp_device *dev = target->srp_host->srp_dev; @@ -1324,10 +1328,10 @@ static int srp_map_finish_fr(struct srp_map_state *state, WARN_ON_ONCE(!dev->use_fast_reg); - if (state->sg_nents == 0) + if (sg_nents == 0) return 0; - if (state->sg_nents == 1 && target->global_mr) { + if (sg_nents == 1 && target->global_mr) { srp_map_desc(state, sg_dma_address(state->sg), sg_dma_len(state->sg), target->global_mr->rkey); @@ -1341,8 +1345,7 @@ static int srp_map_finish_fr(struct srp_map_state *state, rkey = ib_inc_rkey(desc->mr->rkey); ib_update_fast_reg_key(desc->mr, rkey); - n = ib_map_mr_sg(desc->mr, state->sg, state->sg_nents, - dev->mr_page_size); + n = ib_map_mr_sg(desc->mr, state->sg, sg_nents, dev->mr_page_size); if (unlikely(n < 0)) return n; @@ -1448,16 +1451,15 @@ static int srp_map_sg_fr(struct srp_map_state *state, struct srp_rdma_ch *ch, state->fr.next = req->fr_list; state->fr.end = req->fr_list + ch->target->cmd_sg_cnt; state->sg = scat; - state->sg_nents = scsi_sg_count(req->scmnd); - while (state->sg_nents) { + while (count) { int i, n; - n = srp_map_finish_fr(state, ch); + n = srp_map_finish_fr(state, ch, count); if (unlikely(n < 0)) return n; - state->sg_nents -= n; + count -= n; for (i = 0; i < n; i++) state->sg = sg_next(state->sg); } @@ -1517,10 +1519,12 @@ static int srp_map_idb(struct srp_rdma_ch *ch, struct srp_request *req, if (dev->use_fast_reg) { state.sg = idb_sg; - state.sg_nents = 1; sg_set_buf(idb_sg, req->indirect_desc, idb_len); idb_sg->dma_address = req->indirect_dma_addr; /* hack! */ - ret = srp_map_finish_fr(&state, ch); +#ifdef CONFIG_NEED_SG_DMA_LENGTH + idb_sg->dma_length = idb_sg->length; /* hack^2 */ +#endif + ret = srp_map_finish_fr(&state, ch, 1); if (ret < 0) return ret; } else if (dev->use_fmr) { @@ -1655,7 +1659,7 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch, return ret; req->nmdesc++; } else { - idb_rkey = target->global_mr->rkey; + idb_rkey = cpu_to_be32(target->global_mr->rkey); } indirect_hdr->table_desc.va = cpu_to_be64(req->indirect_dma_addr); diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index 87a2a91..f6af531 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -300,10 +300,7 @@ struct srp_map_state { dma_addr_t base_dma_addr; u32 dma_len; u32 total_len; - union { - unsigned int npages; - int sg_nents; - }; + unsigned int npages; unsigned int nmdesc; unsigned int ndesc; }; diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c index 932d073..da32609 100644 --- a/drivers/input/joystick/db9.c +++ b/drivers/input/joystick/db9.c @@ -592,6 +592,7 @@ static void db9_attach(struct parport *pp) return; } + memset(&db9_parport_cb, 0, sizeof(db9_parport_cb)); db9_parport_cb.flags = PARPORT_FLAG_EXCL; pd = parport_register_dev_model(pp, "db9", &db9_parport_cb, port_idx); diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c index 5a672dc..eae14d5 100644 --- a/drivers/input/joystick/gamecon.c +++ b/drivers/input/joystick/gamecon.c @@ -951,6 +951,7 @@ static void gc_attach(struct parport *pp) pads = gc_cfg[port_idx].args + 1; n_pads = gc_cfg[port_idx].nargs - 1; + memset(&gc_parport_cb, 0, sizeof(gc_parport_cb)); gc_parport_cb.flags = PARPORT_FLAG_EXCL; pd = parport_register_dev_model(pp, "gamecon", &gc_parport_cb, diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c index 9f5bca2..77f575d 100644 --- a/drivers/input/joystick/turbografx.c +++ b/drivers/input/joystick/turbografx.c @@ -181,6 +181,7 @@ static void tgfx_attach(struct parport *pp) n_buttons = tgfx_cfg[port_idx].args + 1; n_devs = tgfx_cfg[port_idx].nargs - 1; + memset(&tgfx_parport_cb, 0, sizeof(tgfx_parport_cb)); tgfx_parport_cb.flags = PARPORT_FLAG_EXCL; pd = parport_register_dev_model(pp, "turbografx", &tgfx_parport_cb, diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c index 9c07fe9..70a893a 100644 --- a/drivers/input/joystick/walkera0701.c +++ b/drivers/input/joystick/walkera0701.c @@ -218,6 +218,7 @@ static void walkera0701_attach(struct parport *pp) w->parport = pp; + memset(&walkera0701_parport_cb, 0, sizeof(walkera0701_parport_cb)); walkera0701_parport_cb.flags = PARPORT_FLAG_EXCL; walkera0701_parport_cb.irq_func = walkera0701_irq_handler; walkera0701_parport_cb.private = w; diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c index 4bf6785..d5994a7 100644 --- a/drivers/input/misc/arizona-haptics.c +++ b/drivers/input/misc/arizona-haptics.c @@ -97,8 +97,7 @@ static void arizona_haptics_work(struct work_struct *work) ret = regmap_update_bits(arizona->regmap, ARIZONA_HAPTICS_CONTROL_1, - ARIZONA_HAP_CTRL_MASK, - 1 << ARIZONA_HAP_CTRL_SHIFT); + ARIZONA_HAP_CTRL_MASK, 0); if (ret != 0) { dev_err(arizona->dev, "Failed to stop haptics: %d\n", ret); diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 5e1665b..2f58985 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -41,6 +41,7 @@ #define DRIVER_NAME "elan_i2c" #define ELAN_DRIVER_VERSION "1.6.1" +#define ELAN_VENDOR_ID 0x04f3 #define ETP_MAX_PRESSURE 255 #define ETP_FWIDTH_REDUCE 90 #define ETP_FINGER_WIDTH 15 @@ -914,6 +915,8 @@ static int elan_setup_input_device(struct elan_tp_data *data) input->name = "Elan Touchpad"; input->id.bustype = BUS_I2C; + input->id.vendor = ELAN_VENDOR_ID; + input->id.product = data->product_id; input_set_drvdata(input, data); error = input_mt_init_slots(input, ETP_MAX_FINGERS, diff --git a/drivers/input/serio/parkbd.c b/drivers/input/serio/parkbd.c index 92c31b8..1edfac7 100644 --- a/drivers/input/serio/parkbd.c +++ b/drivers/input/serio/parkbd.c @@ -145,6 +145,7 @@ static int parkbd_getport(struct parport *pp) { struct pardev_cb parkbd_parport_cb; + memset(&parkbd_parport_cb, 0, sizeof(parkbd_parport_cb)); parkbd_parport_cb.irq_func = parkbd_interrupt; parkbd_parport_cb.flags = PARPORT_FLAG_EXCL; diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c index e7f966d..78ca448 100644 --- a/drivers/input/tablet/aiptek.c +++ b/drivers/input/tablet/aiptek.c @@ -1819,6 +1819,14 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id) input_set_abs_params(inputdev, ABS_TILT_Y, AIPTEK_TILT_MIN, AIPTEK_TILT_MAX, 0, 0); input_set_abs_params(inputdev, ABS_WHEEL, AIPTEK_WHEEL_MIN, AIPTEK_WHEEL_MAX - 1, 0, 0); + /* Verify that a device really has an endpoint */ + if (intf->altsetting[0].desc.bNumEndpoints < 1) { + dev_err(&intf->dev, + "interface has %d endpoints, but must have minimum 1\n", + intf->altsetting[0].desc.bNumEndpoints); + err = -EINVAL; + goto fail3; + } endpoint = &intf->altsetting[0].endpoint[0].desc; /* Go set up our URB, which is called when the tablet receives @@ -1861,6 +1869,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id) if (i == ARRAY_SIZE(speeds)) { dev_info(&intf->dev, "Aiptek tried all speeds, no sane response\n"); + err = -EINVAL; goto fail3; } diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index c562205..2d5794e 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -2487,6 +2487,31 @@ static struct mxt_acpi_platform_data samus_platform_data[] = { { } }; +static unsigned int chromebook_tp_buttons[] = { + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + BTN_LEFT +}; + +static struct mxt_acpi_platform_data chromebook_platform_data[] = { + { + /* Touchpad */ + .hid = "ATML0000", + .pdata = { + .t19_num_keys = ARRAY_SIZE(chromebook_tp_buttons), + .t19_keymap = chromebook_tp_buttons, + }, + }, + { + /* Touchscreen */ + .hid = "ATML0001", + }, + { } +}; + static const struct dmi_system_id mxt_dmi_table[] = { { /* 2015 Google Pixel */ @@ -2497,6 +2522,14 @@ static const struct dmi_system_id mxt_dmi_table[] = { }, .driver_data = samus_platform_data, }, + { + /* Other Google Chromebooks */ + .ident = "Chromebook", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + }, + .driver_data = chromebook_platform_data, + }, { } }; @@ -2701,6 +2734,7 @@ static const struct i2c_device_id mxt_id[] = { { "qt602240_ts", 0 }, { "atmel_mxt_ts", 0 }, { "atmel_mxt_tp", 0 }, + { "maxtouch", 0 }, { "mXT224", 0 }, { } }; diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c index 17cc20e..ac09855 100644 --- a/drivers/input/touchscreen/elants_i2c.c +++ b/drivers/input/touchscreen/elants_i2c.c @@ -1316,7 +1316,13 @@ static int __maybe_unused elants_i2c_suspend(struct device *dev) disable_irq(client->irq); - if (device_may_wakeup(dev) || ts->keep_power_in_suspend) { + if (device_may_wakeup(dev)) { + /* + * The device will automatically enter idle mode + * that has reduced power consumption. + */ + ts->wake_irq_enabled = (enable_irq_wake(client->irq) == 0); + } else if (ts->keep_power_in_suspend) { for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) { error = elants_i2c_send(client, set_sleep_cmd, sizeof(set_sleep_cmd)); @@ -1326,10 +1332,6 @@ static int __maybe_unused elants_i2c_suspend(struct device *dev) dev_err(&client->dev, "suspend command failed: %d\n", error); } - - if (device_may_wakeup(dev)) - ts->wake_irq_enabled = - (enable_irq_wake(client->irq) == 0); } else { elants_i2c_power_off(ts); } @@ -1345,10 +1347,11 @@ static int __maybe_unused elants_i2c_resume(struct device *dev) int retry_cnt; int error; - if (device_may_wakeup(dev) && ts->wake_irq_enabled) - disable_irq_wake(client->irq); - - if (ts->keep_power_in_suspend) { + if (device_may_wakeup(dev)) { + if (ts->wake_irq_enabled) + disable_irq_wake(client->irq); + elants_i2c_sw_reset(client); + } else if (ts->keep_power_in_suspend) { for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) { error = elants_i2c_send(client, set_active_cmd, sizeof(set_active_cmd)); diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index d21d4ed..7caf2fa 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -494,6 +494,22 @@ static void handle_fault_error(struct fault *fault) } } +static bool access_error(struct vm_area_struct *vma, struct fault *fault) +{ + unsigned long requested = 0; + + if (fault->flags & PPR_FAULT_EXEC) + requested |= VM_EXEC; + + if (fault->flags & PPR_FAULT_READ) + requested |= VM_READ; + + if (fault->flags & PPR_FAULT_WRITE) + requested |= VM_WRITE; + + return (requested & ~vma->vm_flags) != 0; +} + static void do_fault(struct work_struct *work) { struct fault *fault = container_of(work, struct fault, work); @@ -516,8 +532,8 @@ static void do_fault(struct work_struct *work) goto out; } - if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))) { - /* handle_mm_fault would BUG_ON() */ + /* Check if we have the right permissions on the vma */ + if (access_error(vma, fault)) { up_read(&mm->mmap_sem); handle_fault_error(fault); goto out; diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 3a20db4..72d6182 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -21,10 +21,13 @@ #include <linux/device.h> #include <linux/dma-iommu.h> +#include <linux/gfp.h> #include <linux/huge_mm.h> #include <linux/iommu.h> #include <linux/iova.h> #include <linux/mm.h> +#include <linux/scatterlist.h> +#include <linux/vmalloc.h> int iommu_dma_init(void) { @@ -191,6 +194,7 @@ static struct page **__iommu_dma_alloc_pages(unsigned int count, gfp_t gfp) { struct page **pages; unsigned int i = 0, array_size = count * sizeof(*pages); + unsigned int order = MAX_ORDER; if (array_size <= PAGE_SIZE) pages = kzalloc(array_size, GFP_KERNEL); @@ -204,14 +208,15 @@ static struct page **__iommu_dma_alloc_pages(unsigned int count, gfp_t gfp) while (count) { struct page *page = NULL; - int j, order = __fls(count); + int j; /* * Higher-order allocations are a convenience rather * than a necessity, hence using __GFP_NORETRY until * falling back to single-page allocations. */ - for (order = min(order, MAX_ORDER); order > 0; order--) { + for (order = min_t(unsigned int, order, __fls(count)); + order > 0; order--) { page = alloc_pages(gfp | __GFP_NORETRY, order); if (!page) continue; @@ -453,7 +458,7 @@ int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg, size_t s_offset = iova_offset(iovad, s->offset); size_t s_length = s->length; - sg_dma_address(s) = s->offset; + sg_dma_address(s) = s_offset; sg_dma_len(s) = s_length; s->offset -= s_offset; s_length = iova_align(iovad, s_length + s_offset); diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index f1042da..ac73876 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2159,7 +2159,7 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn, sg_res = aligned_nrpages(sg->offset, sg->length); sg->dma_address = ((dma_addr_t)iov_pfn << VTD_PAGE_SHIFT) + sg->offset; sg->dma_length = sg->length; - pteval = (sg_phys(sg) & PAGE_MASK) | prot; + pteval = page_to_phys(sg_page(sg)) | prot; phys_pfn = pteval >> VTD_PAGE_SHIFT; } @@ -3704,7 +3704,7 @@ static int intel_nontranslate_map_sg(struct device *hddev, for_each_sg(sglist, sg, nelems, i) { BUG_ON(!sg_page(sg)); - sg->dma_address = sg_phys(sg); + sg->dma_address = page_to_phys(sg_page(sg)) + sg->offset; sg->dma_length = sg->length; } return nelems; diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c index c69e3f9..5046483 100644 --- a/drivers/iommu/intel-svm.c +++ b/drivers/iommu/intel-svm.c @@ -484,6 +484,23 @@ struct page_req_dsc { }; #define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x10) + +static bool access_error(struct vm_area_struct *vma, struct page_req_dsc *req) +{ + unsigned long requested = 0; + + if (req->exe_req) + requested |= VM_EXEC; + + if (req->rd_req) + requested |= VM_READ; + + if (req->wr_req) + requested |= VM_WRITE; + + return (requested & ~vma->vm_flags) != 0; +} + static irqreturn_t prq_event_thread(int irq, void *d) { struct intel_iommu *iommu = d; @@ -539,6 +556,9 @@ static irqreturn_t prq_event_thread(int irq, void *d) if (!vma || address < vma->vm_start) goto invalid; + if (access_error(vma, req)) + goto invalid; + ret = handle_mm_fault(svm->mm, vma, address, req->wr_req ? FAULT_FLAG_WRITE : 0); if (ret & VM_FAULT_ERROR) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index abae363..0e3b009 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -1430,7 +1430,7 @@ size_t default_iommu_map_sg(struct iommu_domain *domain, unsigned long iova, min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); for_each_sg(sg, s, nents, i) { - phys_addr_t phys = sg_phys(s); + phys_addr_t phys = page_to_phys(sg_page(s)) + s->offset; /* * We are mapping on IOMMU page boundaries, so offset within diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 8cf605f..dfb868e 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -295,7 +295,7 @@ static struct iommu_gather_ops ipmmu_gather_ops = { static int ipmmu_domain_init_context(struct ipmmu_vmsa_domain *domain) { - phys_addr_t ttbr; + u64 ttbr; /* * Allocate the page table operations. diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c index 598ab3f..cadf104 100644 --- a/drivers/irqchip/irq-versatile-fpga.c +++ b/drivers/irqchip/irq-versatile-fpga.c @@ -210,7 +210,12 @@ int __init fpga_irq_of_init(struct device_node *node, parent_irq = -1; } +#ifdef CONFIG_ARCH_VERSATILE + fpga_irq_init(base, node->name, IRQ_SIC_START, parent_irq, valid_mask, + node); +#else fpga_irq_init(base, node->name, 0, parent_irq, valid_mask, node); +#endif writel(clear_mask, base + IRQ_ENABLE_CLEAR); writel(clear_mask, base + FIQ_ENABLE_CLEAR); diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index 375be50..2a506fe 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -67,8 +67,7 @@ static int write_modem(struct cardstate *cs) struct sk_buff *skb = bcs->tx_skb; int sent = -EOPNOTSUPP; - if (!tty || !tty->driver || !skb) - return -EINVAL; + WARN_ON(!tty || !tty->ops || !skb); if (!skb->len) { dev_kfree_skb_any(skb); @@ -109,8 +108,7 @@ static int send_cb(struct cardstate *cs) unsigned long flags; int sent = 0; - if (!tty || !tty->driver) - return -EFAULT; + WARN_ON(!tty || !tty->ops); cb = cs->cmdbuf; if (!cb) @@ -370,19 +368,18 @@ static void gigaset_freecshw(struct cardstate *cs) tasklet_kill(&cs->write_tasklet); if (!cs->hw.ser) return; - dev_set_drvdata(&cs->hw.ser->dev.dev, NULL); platform_device_unregister(&cs->hw.ser->dev); - kfree(cs->hw.ser); - cs->hw.ser = NULL; } static void gigaset_device_release(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); + struct cardstate *cs = dev_get_drvdata(dev); - /* adapted from platform_device_release() in drivers/base/platform.c */ - kfree(dev->platform_data); - kfree(pdev->resource); + if (!cs) + return; + dev_set_drvdata(dev, NULL); + kfree(cs->hw.ser); + cs->hw.ser = NULL; } /* @@ -432,7 +429,9 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state, struct tty_struct *tty = cs->hw.ser->tty; unsigned int set, clear; - if (!tty || !tty->driver || !tty->ops->tiocmset) + WARN_ON(!tty || !tty->ops); + /* tiocmset is an optional tty driver method */ + if (!tty->ops->tiocmset) return -EINVAL; set = new_state & ~old_state; clear = old_state & ~new_state; diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c index a77eea5..cb428b9 100644 --- a/drivers/isdn/hardware/mISDN/mISDNipac.c +++ b/drivers/isdn/hardware/mISDN/mISDNipac.c @@ -1170,7 +1170,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop) if (ipac->type & IPAC_TYPE_IPACX) { ista = ReadIPAC(ipac, ISACX_ISTA); - while (ista && cnt--) { + while (ista && --cnt) { pr_debug("%s: ISTA %02x\n", ipac->name, ista); if (ista & IPACX__ICA) ipac_irq(&ipac->hscx[0], ista); @@ -1182,7 +1182,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop) } } else if (ipac->type & IPAC_TYPE_IPAC) { ista = ReadIPAC(ipac, IPAC_ISTA); - while (ista && cnt--) { + while (ista && --cnt) { pr_debug("%s: ISTA %02x\n", ipac->name, ista); if (ista & (IPAC__ICD | IPAC__EXD)) { istad = ReadISAC(isac, ISAC_ISTA); @@ -1200,7 +1200,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop) ista = ReadIPAC(ipac, IPAC_ISTA); } } else if (ipac->type & IPAC_TYPE_HSCX) { - while (cnt) { + while (--cnt) { ista = ReadIPAC(ipac, IPAC_ISTAB + ipac->hscx[1].off); pr_debug("%s: B2 ISTA %02x\n", ipac->name, ista); if (ista) @@ -1211,7 +1211,6 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop) mISDNisac_irq(isac, istad); if (0 == (ista | istad)) break; - cnt--; } } if (cnt > maxloop) /* only for ISAC/HSCX without PCI IRQ test */ diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig index a16bf56..85a3390 100644 --- a/drivers/lightnvm/Kconfig +++ b/drivers/lightnvm/Kconfig @@ -18,6 +18,7 @@ if NVM config NVM_DEBUG bool "Open-Channel SSD debugging support" + default n ---help--- Exposes a debug management interface to create/remove targets at: diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 86ce887..8f41b24 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -74,7 +74,7 @@ EXPORT_SYMBOL(nvm_unregister_target); void *nvm_dev_dma_alloc(struct nvm_dev *dev, gfp_t mem_flags, dma_addr_t *dma_handler) { - return dev->ops->dev_dma_alloc(dev->q, dev->ppalist_pool, mem_flags, + return dev->ops->dev_dma_alloc(dev, dev->ppalist_pool, mem_flags, dma_handler); } EXPORT_SYMBOL(nvm_dev_dma_alloc); @@ -97,15 +97,47 @@ static struct nvmm_type *nvm_find_mgr_type(const char *name) return NULL; } +struct nvmm_type *nvm_init_mgr(struct nvm_dev *dev) +{ + struct nvmm_type *mt; + int ret; + + lockdep_assert_held(&nvm_lock); + + list_for_each_entry(mt, &nvm_mgrs, list) { + ret = mt->register_mgr(dev); + if (ret < 0) { + pr_err("nvm: media mgr failed to init (%d) on dev %s\n", + ret, dev->name); + return NULL; /* initialization failed */ + } else if (ret > 0) + return mt; + } + + return NULL; +} + int nvm_register_mgr(struct nvmm_type *mt) { + struct nvm_dev *dev; int ret = 0; down_write(&nvm_lock); - if (nvm_find_mgr_type(mt->name)) + if (nvm_find_mgr_type(mt->name)) { ret = -EEXIST; - else + goto finish; + } else { list_add(&mt->list, &nvm_mgrs); + } + + /* try to register media mgr if any device have none configured */ + list_for_each_entry(dev, &nvm_devices, devices) { + if (dev->mt) + continue; + + dev->mt = nvm_init_mgr(dev); + } +finish: up_write(&nvm_lock); return ret; @@ -123,26 +155,6 @@ void nvm_unregister_mgr(struct nvmm_type *mt) } EXPORT_SYMBOL(nvm_unregister_mgr); -/* register with device with a supported manager */ -static int register_mgr(struct nvm_dev *dev) -{ - struct nvmm_type *mt; - int ret = 0; - - list_for_each_entry(mt, &nvm_mgrs, list) { - ret = mt->register_mgr(dev); - if (ret > 0) { - dev->mt = mt; - break; /* successfully initialized */ - } - } - - if (!ret) - pr_info("nvm: no compatible nvm manager found.\n"); - - return ret; -} - static struct nvm_dev *nvm_find_nvm_dev(const char *name) { struct nvm_dev *dev; @@ -246,7 +258,7 @@ static int nvm_init(struct nvm_dev *dev) if (!dev->q || !dev->ops) return ret; - if (dev->ops->identity(dev->q, &dev->identity)) { + if (dev->ops->identity(dev, &dev->identity)) { pr_err("nvm: device could not be identified\n"); goto err; } @@ -271,14 +283,6 @@ static int nvm_init(struct nvm_dev *dev) goto err; } - down_write(&nvm_lock); - ret = register_mgr(dev); - up_write(&nvm_lock); - if (ret < 0) - goto err; - if (!ret) - return 0; - pr_info("nvm: registered %s [%u/%u/%u/%u/%u/%u]\n", dev->name, dev->sec_per_pg, dev->nr_planes, dev->pgs_per_blk, dev->blks_per_lun, dev->nr_luns, @@ -326,8 +330,7 @@ int nvm_register(struct request_queue *q, char *disk_name, } if (dev->ops->max_phys_sect > 1) { - dev->ppalist_pool = dev->ops->create_dma_pool(dev->q, - "ppalist"); + dev->ppalist_pool = dev->ops->create_dma_pool(dev, "ppalist"); if (!dev->ppalist_pool) { pr_err("nvm: could not create ppa pool\n"); ret = -ENOMEM; @@ -335,7 +338,9 @@ int nvm_register(struct request_queue *q, char *disk_name, } } + /* register device with a supported media manager */ down_write(&nvm_lock); + dev->mt = nvm_init_mgr(dev); list_add(&dev->devices, &nvm_devices); up_write(&nvm_lock); @@ -380,19 +385,13 @@ static int nvm_create_target(struct nvm_dev *dev, struct nvm_tgt_type *tt; struct nvm_target *t; void *targetdata; - int ret = 0; - down_write(&nvm_lock); if (!dev->mt) { - ret = register_mgr(dev); - if (!ret) - ret = -ENODEV; - if (ret < 0) { - up_write(&nvm_lock); - return ret; - } + pr_info("nvm: device has no media manager registered.\n"); + return -ENODEV; } + down_write(&nvm_lock); tt = nvm_find_target_type(create->tgttype); if (!tt) { pr_err("nvm: target type %s not found\n", create->tgttype); diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c index 35dde84..a54b339 100644 --- a/drivers/lightnvm/gennvm.c +++ b/drivers/lightnvm/gennvm.c @@ -75,7 +75,7 @@ static int gennvm_block_bb(struct ppa_addr ppa, int nr_blocks, u8 *blks, struct nvm_block *blk; int i; - lun = &gn->luns[(dev->nr_luns * ppa.g.ch) + ppa.g.lun]; + lun = &gn->luns[(dev->luns_per_chnl * ppa.g.ch) + ppa.g.lun]; for (i = 0; i < nr_blocks; i++) { if (blks[i] == 0) @@ -195,7 +195,7 @@ static int gennvm_blocks_init(struct nvm_dev *dev, struct gen_nvm *gn) } if (dev->ops->get_l2p_tbl) { - ret = dev->ops->get_l2p_tbl(dev->q, 0, dev->total_pages, + ret = dev->ops->get_l2p_tbl(dev, 0, dev->total_pages, gennvm_block_map, dev); if (ret) { pr_err("gennvm: could not read L2P table.\n"); @@ -219,6 +219,9 @@ static int gennvm_register(struct nvm_dev *dev) struct gen_nvm *gn; int ret; + if (!try_module_get(THIS_MODULE)) + return -ENODEV; + gn = kzalloc(sizeof(struct gen_nvm), GFP_KERNEL); if (!gn) return -ENOMEM; @@ -242,12 +245,14 @@ static int gennvm_register(struct nvm_dev *dev) return 1; err: gennvm_free(dev); + module_put(THIS_MODULE); return ret; } static void gennvm_unregister(struct nvm_dev *dev) { gennvm_free(dev); + module_put(THIS_MODULE); } static struct nvm_block *gennvm_get_blk(struct nvm_dev *dev, @@ -262,14 +267,11 @@ static struct nvm_block *gennvm_get_blk(struct nvm_dev *dev, if (list_empty(&lun->free_list)) { pr_err_ratelimited("gennvm: lun %u have no free pages available", lun->vlun.id); - spin_unlock(&vlun->lock); goto out; } - while (!is_gc && lun->vlun.nr_free_blocks < lun->reserved_blocks) { - spin_unlock(&vlun->lock); + if (!is_gc && lun->vlun.nr_free_blocks < lun->reserved_blocks) goto out; - } blk = list_first_entry(&lun->free_list, struct nvm_block, list); list_move_tail(&blk->list, &lun->used_list); @@ -278,8 +280,8 @@ static struct nvm_block *gennvm_get_blk(struct nvm_dev *dev, lun->vlun.nr_free_blocks--; lun->vlun.nr_inuse_blocks++; - spin_unlock(&vlun->lock); out: + spin_unlock(&vlun->lock); return blk; } @@ -349,7 +351,7 @@ static int gennvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd) gennvm_generic_to_addr_mode(dev, rqd); rqd->dev = dev; - return dev->ops->submit_io(dev->q, rqd); + return dev->ops->submit_io(dev, rqd); } static void gennvm_blk_set_type(struct nvm_dev *dev, struct ppa_addr *ppa, @@ -385,7 +387,7 @@ static void gennvm_mark_blk_bad(struct nvm_dev *dev, struct nvm_rq *rqd) if (!dev->ops->set_bb_tbl) return; - if (dev->ops->set_bb_tbl(dev->q, rqd, 1)) + if (dev->ops->set_bb_tbl(dev, rqd, 1)) return; gennvm_addr_to_generic_mode(dev, rqd); @@ -453,7 +455,7 @@ static int gennvm_erase_blk(struct nvm_dev *dev, struct nvm_block *blk, gennvm_generic_to_addr_mode(dev, &rqd); - ret = dev->ops->erase_block(dev->q, &rqd); + ret = dev->ops->erase_block(dev, &rqd); if (plane_cnt) nvm_dev_dma_free(dev, rqd.ppa_list, rqd.dma_ppa_list); diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index 75e59c3..134e4fa 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -182,7 +182,7 @@ static struct rrpc_block *rrpc_get_blk(struct rrpc *rrpc, struct rrpc_lun *rlun, struct nvm_block *blk; struct rrpc_block *rblk; - blk = nvm_get_blk(rrpc->dev, rlun->parent, 0); + blk = nvm_get_blk(rrpc->dev, rlun->parent, flags); if (!blk) return NULL; @@ -202,6 +202,20 @@ static void rrpc_put_blk(struct rrpc *rrpc, struct rrpc_block *rblk) nvm_put_blk(rrpc->dev, rblk->parent); } +static void rrpc_put_blks(struct rrpc *rrpc) +{ + struct rrpc_lun *rlun; + int i; + + for (i = 0; i < rrpc->nr_luns; i++) { + rlun = &rrpc->luns[i]; + if (rlun->cur) + rrpc_put_blk(rrpc, rlun->cur); + if (rlun->gc_cur) + rrpc_put_blk(rrpc, rlun->gc_cur); + } +} + static struct rrpc_lun *get_next_lun(struct rrpc *rrpc) { int next = atomic_inc_return(&rrpc->next_lun); @@ -1002,7 +1016,7 @@ static int rrpc_map_init(struct rrpc *rrpc) return 0; /* Bring up the mapping table from device */ - ret = dev->ops->get_l2p_tbl(dev->q, 0, dev->total_pages, + ret = dev->ops->get_l2p_tbl(dev, 0, dev->total_pages, rrpc_l2p_update, rrpc); if (ret) { pr_err("nvm: rrpc: could not read L2P table.\n"); @@ -1224,18 +1238,21 @@ static int rrpc_luns_configure(struct rrpc *rrpc) rblk = rrpc_get_blk(rrpc, rlun, 0); if (!rblk) - return -EINVAL; + goto err; rrpc_set_lun_cur(rlun, rblk); /* Emergency gc block */ rblk = rrpc_get_blk(rrpc, rlun, 1); if (!rblk) - return -EINVAL; + goto err; rlun->gc_cur = rblk; } return 0; +err: + rrpc_put_blks(rrpc); + return -EINVAL; } static struct nvm_tgt_type tt_rrpc; diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 1fa4569..c219a05 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1207,6 +1207,12 @@ static int __reserve_metadata_snap(struct dm_pool_metadata *pmd) dm_block_t held_root; /* + * We commit to ensure the btree roots which we increment in a + * moment are up to date. + */ + __commit_transaction(pmd); + + /* * Copy the superblock. */ dm_sm_inc_block(pmd->metadata_sm, THIN_SUPERBLOCK_LOCATION); @@ -1538,7 +1544,7 @@ static int __remove(struct dm_thin_device *td, dm_block_t block) static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_t end) { int r; - unsigned count; + unsigned count, total_count = 0; struct dm_pool_metadata *pmd = td->pmd; dm_block_t keys[1] = { td->id }; __le64 value; @@ -1561,11 +1567,29 @@ static int __remove_range(struct dm_thin_device *td, dm_block_t begin, dm_block_ if (r) return r; - r = dm_btree_remove_leaves(&pmd->bl_info, mapping_root, &begin, end, &mapping_root, &count); - if (r) - return r; + /* + * Remove leaves stops at the first unmapped entry, so we have to + * loop round finding mapped ranges. + */ + while (begin < end) { + r = dm_btree_lookup_next(&pmd->bl_info, mapping_root, &begin, &begin, &value); + if (r == -ENODATA) + break; + + if (r) + return r; + + if (begin >= end) + break; + + r = dm_btree_remove_leaves(&pmd->bl_info, mapping_root, &begin, end, &mapping_root, &count); + if (r) + return r; + + total_count += count; + } - td->mapped_blocks -= count; + td->mapped_blocks -= total_count; td->changed = 1; /* diff --git a/drivers/md/md.c b/drivers/md/md.c index 807095f..61aacab 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -314,8 +314,8 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio) */ void mddev_suspend(struct mddev *mddev) { - BUG_ON(mddev->suspended); - mddev->suspended = 1; + if (mddev->suspended++) + return; synchronize_rcu(); wait_event(mddev->sb_wait, atomic_read(&mddev->active_io) == 0); mddev->pers->quiesce(mddev, 1); @@ -326,7 +326,8 @@ EXPORT_SYMBOL_GPL(mddev_suspend); void mddev_resume(struct mddev *mddev) { - mddev->suspended = 0; + if (--mddev->suspended) + return; wake_up(&mddev->sb_wait); mddev->pers->quiesce(mddev, 0); @@ -1652,7 +1653,7 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev) rdev->journal_tail = le64_to_cpu(sb->journal_tail); if (mddev->recovery_cp == MaxSector) set_bit(MD_JOURNAL_CLEAN, &mddev->flags); - rdev->raid_disk = mddev->raid_disks; + rdev->raid_disk = 0; break; default: rdev->saved_raid_disk = role; @@ -2773,6 +2774,7 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len) /* Activating a spare .. or possibly reactivating * if we ever get bitmaps working here. */ + int err; if (rdev->raid_disk != -1) return -EBUSY; @@ -2794,9 +2796,15 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len) rdev->saved_raid_disk = -1; clear_bit(In_sync, &rdev->flags); clear_bit(Bitmap_sync, &rdev->flags); - remove_and_add_spares(rdev->mddev, rdev); - if (rdev->raid_disk == -1) - return -EBUSY; + err = rdev->mddev->pers-> + hot_add_disk(rdev->mddev, rdev); + if (err) { + rdev->raid_disk = -1; + return err; + } else + sysfs_notify_dirent_safe(rdev->sysfs_state); + if (sysfs_link_rdev(rdev->mddev, rdev)) + /* failure here is OK */; /* don't wakeup anyone, leave that to userspace. */ } else { if (slot >= rdev->mddev->raid_disks && @@ -4318,8 +4326,7 @@ action_store(struct mddev *mddev, const char *page, size_t len) } mddev_unlock(mddev); } - } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) || - test_bit(MD_RECOVERY_NEEDED, &mddev->recovery)) + } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) return -EBUSY; else if (cmd_match(page, "resync")) clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); @@ -4332,8 +4339,12 @@ action_store(struct mddev *mddev, const char *page, size_t len) return -EINVAL; err = mddev_lock(mddev); if (!err) { - clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - err = mddev->pers->start_reshape(mddev); + if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) + err = -EBUSY; + else { + clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + err = mddev->pers->start_reshape(mddev); + } mddev_unlock(mddev); } if (err) diff --git a/drivers/md/md.h b/drivers/md/md.h index 2bea51e..ca0b643 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -566,7 +566,9 @@ static inline char * mdname (struct mddev * mddev) static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev) { char nm[20]; - if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) { + if (!test_bit(Replacement, &rdev->flags) && + !test_bit(Journal, &rdev->flags) && + mddev->kobj.sd) { sprintf(nm, "rd%d", rdev->raid_disk); return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm); } else @@ -576,7 +578,9 @@ static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev) static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev) { char nm[20]; - if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) { + if (!test_bit(Replacement, &rdev->flags) && + !test_bit(Journal, &rdev->flags) && + mddev->kobj.sd) { sprintf(nm, "rd%d", rdev->raid_disk); sysfs_remove_link(&mddev->kobj, nm); } diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index c573402..b1ced58 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -63,6 +63,11 @@ int lower_bound(struct btree_node *n, uint64_t key) return bsearch(n, key, 0); } +static int upper_bound(struct btree_node *n, uint64_t key) +{ + return bsearch(n, key, 1); +} + void inc_children(struct dm_transaction_manager *tm, struct btree_node *n, struct dm_btree_value_type *vt) { @@ -252,6 +257,16 @@ static void pop_frame(struct del_stack *s) dm_tm_unlock(s->tm, f->b); } +static void unlock_all_frames(struct del_stack *s) +{ + struct frame *f; + + while (unprocessed_frames(s)) { + f = s->spine + s->top--; + dm_tm_unlock(s->tm, f->b); + } +} + int dm_btree_del(struct dm_btree_info *info, dm_block_t root) { int r; @@ -308,9 +323,13 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) pop_frame(s); } } - out: + if (r) { + /* cleanup all frames of del_stack */ + unlock_all_frames(s); + } kfree(s); + return r; } EXPORT_SYMBOL_GPL(dm_btree_del); @@ -392,6 +411,82 @@ int dm_btree_lookup(struct dm_btree_info *info, dm_block_t root, } EXPORT_SYMBOL_GPL(dm_btree_lookup); +static int dm_btree_lookup_next_single(struct dm_btree_info *info, dm_block_t root, + uint64_t key, uint64_t *rkey, void *value_le) +{ + int r, i; + uint32_t flags, nr_entries; + struct dm_block *node; + struct btree_node *n; + + r = bn_read_lock(info, root, &node); + if (r) + return r; + + n = dm_block_data(node); + flags = le32_to_cpu(n->header.flags); + nr_entries = le32_to_cpu(n->header.nr_entries); + + if (flags & INTERNAL_NODE) { + i = lower_bound(n, key); + if (i < 0 || i >= nr_entries) { + r = -ENODATA; + goto out; + } + + r = dm_btree_lookup_next_single(info, value64(n, i), key, rkey, value_le); + if (r == -ENODATA && i < (nr_entries - 1)) { + i++; + r = dm_btree_lookup_next_single(info, value64(n, i), key, rkey, value_le); + } + + } else { + i = upper_bound(n, key); + if (i < 0 || i >= nr_entries) { + r = -ENODATA; + goto out; + } + + *rkey = le64_to_cpu(n->keys[i]); + memcpy(value_le, value_ptr(n, i), info->value_type.size); + } +out: + dm_tm_unlock(info->tm, node); + return r; +} + +int dm_btree_lookup_next(struct dm_btree_info *info, dm_block_t root, + uint64_t *keys, uint64_t *rkey, void *value_le) +{ + unsigned level; + int r = -ENODATA; + __le64 internal_value_le; + struct ro_spine spine; + + init_ro_spine(&spine, info); + for (level = 0; level < info->levels - 1u; level++) { + r = btree_lookup_raw(&spine, root, keys[level], + lower_bound, rkey, + &internal_value_le, sizeof(uint64_t)); + if (r) + goto out; + + if (*rkey != keys[level]) { + r = -ENODATA; + goto out; + } + + root = le64_to_cpu(internal_value_le); + } + + r = dm_btree_lookup_next_single(info, root, keys[level], rkey, value_le); +out: + exit_ro_spine(&spine); + return r; +} + +EXPORT_SYMBOL_GPL(dm_btree_lookup_next); + /* * Splits a node by creating a sibling node and shifting half the nodes * contents across. Assumes there is a parent node, and it has room for @@ -473,8 +568,10 @@ static int btree_split_sibling(struct shadow_spine *s, unsigned parent_index, r = insert_at(sizeof(__le64), pn, parent_index + 1, le64_to_cpu(rn->keys[0]), &location); - if (r) + if (r) { + unlock_block(s->info, right); return r; + } if (key < le64_to_cpu(rn->keys[0])) { unlock_block(s->info, right); diff --git a/drivers/md/persistent-data/dm-btree.h b/drivers/md/persistent-data/dm-btree.h index 11d8cf7..c74301f 100644 --- a/drivers/md/persistent-data/dm-btree.h +++ b/drivers/md/persistent-data/dm-btree.h @@ -110,6 +110,13 @@ int dm_btree_lookup(struct dm_btree_info *info, dm_block_t root, uint64_t *keys, void *value_le); /* + * Tries to find the first key where the bottom level key is >= to that + * given. Useful for skipping empty sections of the btree. + */ +int dm_btree_lookup_next(struct dm_btree_info *info, dm_block_t root, + uint64_t *keys, uint64_t *rkey, void *value_le); + +/* * Insertion (or overwrite an existing value). O(ln(n)) */ int dm_btree_insert(struct dm_btree_info *info, dm_block_t root, @@ -135,9 +142,10 @@ int dm_btree_remove(struct dm_btree_info *info, dm_block_t root, uint64_t *keys, dm_block_t *new_root); /* - * Removes values between 'keys' and keys2, where keys2 is keys with the - * final key replaced with 'end_key'. 'end_key' is the one-past-the-end - * value. 'keys' may be altered. + * Removes a _contiguous_ run of values starting from 'keys' and not + * reaching keys2 (where keys2 is keys with the final key replaced with + * 'end_key'). 'end_key' is the one-past-the-end value. 'keys' may be + * altered. */ int dm_btree_remove_leaves(struct dm_btree_info *info, dm_block_t root, uint64_t *keys, uint64_t end_key, diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c index 5309129..fca6dbc 100644 --- a/drivers/md/persistent-data/dm-space-map-metadata.c +++ b/drivers/md/persistent-data/dm-space-map-metadata.c @@ -136,7 +136,7 @@ static int brb_push(struct bop_ring_buffer *brb, return 0; } -static int brb_pop(struct bop_ring_buffer *brb, struct block_op *result) +static int brb_peek(struct bop_ring_buffer *brb, struct block_op *result) { struct block_op *bop; @@ -147,6 +147,17 @@ static int brb_pop(struct bop_ring_buffer *brb, struct block_op *result) result->type = bop->type; result->block = bop->block; + return 0; +} + +static int brb_pop(struct bop_ring_buffer *brb) +{ + struct block_op *bop; + + if (brb_empty(brb)) + return -ENODATA; + + bop = brb->bops + brb->begin; brb->begin = brb_next(brb, brb->begin); return 0; @@ -211,7 +222,7 @@ static int apply_bops(struct sm_metadata *smm) while (!brb_empty(&smm->uncommitted)) { struct block_op bop; - r = brb_pop(&smm->uncommitted, &bop); + r = brb_peek(&smm->uncommitted, &bop); if (r) { DMERR("bug in bop ring buffer"); break; @@ -220,6 +231,8 @@ static int apply_bops(struct sm_metadata *smm) r = commit_bop(smm, &bop); if (r) break; + + brb_pop(&smm->uncommitted); } return r; @@ -683,7 +696,6 @@ static struct dm_space_map bootstrap_ops = { static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks) { int r, i; - enum allocation_event ev; struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); dm_block_t old_len = smm->ll.nr_blocks; @@ -705,11 +717,12 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks) * allocate any new blocks. */ do { - for (i = old_len; !r && i < smm->begin; i++) { - r = sm_ll_inc(&smm->ll, i, &ev); - if (r) - goto out; - } + for (i = old_len; !r && i < smm->begin; i++) + r = add_bop(smm, BOP_INC, i); + + if (r) + goto out; + old_len = smm->begin; r = apply_bops(smm); @@ -754,7 +767,6 @@ int dm_sm_metadata_create(struct dm_space_map *sm, { int r; dm_block_t i; - enum allocation_event ev; struct sm_metadata *smm = container_of(sm, struct sm_metadata, sm); smm->begin = superblock + 1; @@ -782,7 +794,7 @@ int dm_sm_metadata_create(struct dm_space_map *sm, * allocated blocks that they were built from. */ for (i = superblock; !r && i < smm->begin; i++) - r = sm_ll_inc(&smm->ll, i, &ev); + r = add_bop(smm, BOP_INC, i); if (r) return r; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 41d70bc..84e597e 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1946,6 +1946,8 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) first = i; fbio = r10_bio->devs[i].bio; + fbio->bi_iter.bi_size = r10_bio->sectors << 9; + fbio->bi_iter.bi_idx = 0; vcnt = (r10_bio->sectors + (PAGE_SIZE >> 9) - 1) >> (PAGE_SHIFT - 9); /* now find blocks with errors */ @@ -1989,7 +1991,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) bio_reset(tbio); tbio->bi_vcnt = vcnt; - tbio->bi_iter.bi_size = r10_bio->sectors << 9; + tbio->bi_iter.bi_size = fbio->bi_iter.bi_size; tbio->bi_rw = WRITE; tbio->bi_private = r10_bio; tbio->bi_iter.bi_sector = r10_bio->devs[i].addr; diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c index 8616fa8..c2e60b4 100644 --- a/drivers/media/pci/ivtv/ivtv-driver.c +++ b/drivers/media/pci/ivtv/ivtv-driver.c @@ -805,11 +805,11 @@ static void ivtv_init_struct2(struct ivtv *itv) { int i; - for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS - 1; i++) + for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++) if (itv->card->video_inputs[i].video_type == 0) break; itv->nof_inputs = i; - for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS - 1; i++) + for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++) if (itv->card->audio_inputs[i].audio_type == 0) break; itv->nof_audio_inputs = i; diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c index fcbb497..565a593 100644 --- a/drivers/media/usb/airspy/airspy.c +++ b/drivers/media/usb/airspy/airspy.c @@ -134,7 +134,7 @@ struct airspy { int urbs_submitted; /* USB control message buffer */ - #define BUF_SIZE 24 + #define BUF_SIZE 128 u8 buf[BUF_SIZE]; /* Current configuration */ diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c index e05bfec..0fe5cb2 100644 --- a/drivers/media/usb/hackrf/hackrf.c +++ b/drivers/media/usb/hackrf/hackrf.c @@ -24,6 +24,15 @@ #include <media/videobuf2-v4l2.h> #include <media/videobuf2-vmalloc.h> +/* + * Used Avago MGA-81563 RF amplifier could be destroyed pretty easily with too + * strong signal or transmitting to bad antenna. + * Set RF gain control to 'grabbed' state by default for sure. + */ +static bool hackrf_enable_rf_gain_ctrl; +module_param_named(enable_rf_gain_ctrl, hackrf_enable_rf_gain_ctrl, bool, 0644); +MODULE_PARM_DESC(enable_rf_gain_ctrl, "enable RX/TX RF amplifier control (warn: could damage amplifier)"); + /* HackRF USB API commands (from HackRF Library) */ enum { CMD_SET_TRANSCEIVER_MODE = 0x01, @@ -1451,6 +1460,7 @@ static int hackrf_probe(struct usb_interface *intf, dev_err(dev->dev, "Could not initialize controls\n"); goto err_v4l2_ctrl_handler_free_rx; } + v4l2_ctrl_grab(dev->rx_rf_gain, !hackrf_enable_rf_gain_ctrl); v4l2_ctrl_handler_setup(&dev->rx_ctrl_handler); /* Register controls for transmitter */ @@ -1471,6 +1481,7 @@ static int hackrf_probe(struct usb_interface *intf, dev_err(dev->dev, "Could not initialize controls\n"); goto err_v4l2_ctrl_handler_free_tx; } + v4l2_ctrl_grab(dev->tx_rf_gain, !hackrf_enable_rf_gain_ctrl); v4l2_ctrl_handler_setup(&dev->tx_ctrl_handler); /* Register the v4l2_device structure */ @@ -1530,7 +1541,7 @@ err_v4l2_ctrl_handler_free_rx: err_kfree: kfree(dev); err: - dev_dbg(dev->dev, "failed=%d\n", ret); + dev_dbg(&intf->dev, "failed=%d\n", ret); return ret; } diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c index e87459f..acd1460 100644 --- a/drivers/memory/fsl_ifc.c +++ b/drivers/memory/fsl_ifc.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/compiler.h> +#include <linux/sched.h> #include <linux/spinlock.h> #include <linux/types.h> #include <linux/slab.h> diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c index b6fd904..06f00d6 100644 --- a/drivers/mfd/intel-lpss-acpi.c +++ b/drivers/mfd/intel-lpss-acpi.c @@ -18,6 +18,7 @@ #include <linux/pm.h> #include <linux/pm_runtime.h> #include <linux/platform_device.h> +#include <linux/property.h> #include "intel-lpss.h" @@ -25,6 +26,20 @@ static const struct intel_lpss_platform_info spt_info = { .clk_rate = 120000000, }; +static struct property_entry spt_i2c_properties[] = { + PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230), + { }, +}; + +static struct property_set spt_i2c_pset = { + .properties = spt_i2c_properties, +}; + +static const struct intel_lpss_platform_info spt_i2c_info = { + .clk_rate = 120000000, + .pset = &spt_i2c_pset, +}; + static const struct intel_lpss_platform_info bxt_info = { .clk_rate = 100000000, }; @@ -35,8 +50,8 @@ static const struct intel_lpss_platform_info bxt_i2c_info = { static const struct acpi_device_id intel_lpss_acpi_ids[] = { /* SPT */ - { "INT3446", (kernel_ulong_t)&spt_info }, - { "INT3447", (kernel_ulong_t)&spt_info }, + { "INT3446", (kernel_ulong_t)&spt_i2c_info }, + { "INT3447", (kernel_ulong_t)&spt_i2c_info }, /* BXT */ { "80860AAC", (kernel_ulong_t)&bxt_i2c_info }, { "80860ABC", (kernel_ulong_t)&bxt_info }, diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index 5bfdfcc..a7136c7 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -17,6 +17,7 @@ #include <linux/pci.h> #include <linux/pm.h> #include <linux/pm_runtime.h> +#include <linux/property.h> #include "intel-lpss.h" @@ -65,9 +66,35 @@ static const struct intel_lpss_platform_info spt_info = { .clk_rate = 120000000, }; +static struct property_entry spt_i2c_properties[] = { + PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230), + { }, +}; + +static struct property_set spt_i2c_pset = { + .properties = spt_i2c_properties, +}; + +static const struct intel_lpss_platform_info spt_i2c_info = { + .clk_rate = 120000000, + .pset = &spt_i2c_pset, +}; + +static struct property_entry uart_properties[] = { + PROPERTY_ENTRY_U32("reg-io-width", 4), + PROPERTY_ENTRY_U32("reg-shift", 2), + PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"), + { }, +}; + +static struct property_set uart_pset = { + .properties = uart_properties, +}; + static const struct intel_lpss_platform_info spt_uart_info = { .clk_rate = 120000000, .clk_con_id = "baudclk", + .pset = &uart_pset, }; static const struct intel_lpss_platform_info bxt_info = { @@ -77,6 +104,7 @@ static const struct intel_lpss_platform_info bxt_info = { static const struct intel_lpss_platform_info bxt_uart_info = { .clk_rate = 100000000, .clk_con_id = "baudclk", + .pset = &uart_pset, }; static const struct intel_lpss_platform_info bxt_i2c_info = { @@ -121,20 +149,20 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x9d28), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0x9d29), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0x9d2a), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x9d60), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x9d61), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x9d62), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x9d63), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x9d64), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0x9d65), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9d60), (kernel_ulong_t)&spt_i2c_info }, + { PCI_VDEVICE(INTEL, 0x9d61), (kernel_ulong_t)&spt_i2c_info }, + { PCI_VDEVICE(INTEL, 0x9d62), (kernel_ulong_t)&spt_i2c_info }, + { PCI_VDEVICE(INTEL, 0x9d63), (kernel_ulong_t)&spt_i2c_info }, + { PCI_VDEVICE(INTEL, 0x9d64), (kernel_ulong_t)&spt_i2c_info }, + { PCI_VDEVICE(INTEL, 0x9d65), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0x9d66), (kernel_ulong_t)&spt_uart_info }, /* SPT-H */ { PCI_VDEVICE(INTEL, 0xa127), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0xa128), (kernel_ulong_t)&spt_uart_info }, { PCI_VDEVICE(INTEL, 0xa129), (kernel_ulong_t)&spt_info }, { PCI_VDEVICE(INTEL, 0xa12a), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0xa160), (kernel_ulong_t)&spt_info }, - { PCI_VDEVICE(INTEL, 0xa161), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa160), (kernel_ulong_t)&spt_i2c_info }, + { PCI_VDEVICE(INTEL, 0xa161), (kernel_ulong_t)&spt_i2c_info }, { PCI_VDEVICE(INTEL, 0xa166), (kernel_ulong_t)&spt_uart_info }, { } }; diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c index 6255513..1743788 100644 --- a/drivers/mfd/intel-lpss.c +++ b/drivers/mfd/intel-lpss.c @@ -24,6 +24,7 @@ #include <linux/mfd/core.h> #include <linux/pm_qos.h> #include <linux/pm_runtime.h> +#include <linux/property.h> #include <linux/seq_file.h> #include <linux/io-64-nonatomic-lo-hi.h> @@ -72,7 +73,7 @@ struct intel_lpss { enum intel_lpss_dev_type type; struct clk *clk; struct clk_lookup *clock; - const struct mfd_cell *cell; + struct mfd_cell *cell; struct device *dev; void __iomem *priv; int devid; @@ -217,6 +218,7 @@ static void intel_lpss_ltr_hide(struct intel_lpss *lpss) static int intel_lpss_assign_devs(struct intel_lpss *lpss) { + const struct mfd_cell *cell; unsigned int type; type = lpss->caps & LPSS_PRIV_CAPS_TYPE_MASK; @@ -224,18 +226,22 @@ static int intel_lpss_assign_devs(struct intel_lpss *lpss) switch (type) { case LPSS_DEV_I2C: - lpss->cell = &intel_lpss_i2c_cell; + cell = &intel_lpss_i2c_cell; break; case LPSS_DEV_UART: - lpss->cell = &intel_lpss_uart_cell; + cell = &intel_lpss_uart_cell; break; case LPSS_DEV_SPI: - lpss->cell = &intel_lpss_spi_cell; + cell = &intel_lpss_spi_cell; break; default: return -ENODEV; } + lpss->cell = devm_kmemdup(lpss->dev, cell, sizeof(*cell), GFP_KERNEL); + if (!lpss->cell) + return -ENOMEM; + lpss->type = type; return 0; @@ -401,6 +407,8 @@ int intel_lpss_probe(struct device *dev, if (ret) return ret; + lpss->cell->pset = info->pset; + intel_lpss_init_dev(lpss); lpss->devid = ida_simple_get(&intel_lpss_devid_ida, 0, 0, GFP_KERNEL); diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h index 2c7f8d7..0dcea9e 100644 --- a/drivers/mfd/intel-lpss.h +++ b/drivers/mfd/intel-lpss.h @@ -16,12 +16,14 @@ struct device; struct resource; +struct property_set; struct intel_lpss_platform_info { struct resource *mem; int irq; unsigned long clk_rate; const char *clk_con_id; + struct property_set *pset; }; int intel_lpss_probe(struct device *dev, diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 60b60dc..88bd1b1 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/acpi.h> +#include <linux/property.h> #include <linux/mfd/core.h> #include <linux/pm_runtime.h> #include <linux/slab.h> @@ -192,6 +193,12 @@ static int mfd_add_device(struct device *parent, int id, goto fail_alias; } + if (cell->pset) { + ret = platform_device_add_properties(pdev, cell->pset); + if (ret) + goto fail_alias; + } + ret = mfd_platform_add_cell(pdev, cell, usage_count); if (ret) goto fail_alias; diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c index d2e75c8..f409097 100644 --- a/drivers/misc/cxl/native.c +++ b/drivers/misc/cxl/native.c @@ -497,6 +497,7 @@ static u64 calculate_sr(struct cxl_context *ctx) { u64 sr = 0; + set_endian(sr); if (ctx->master) sr |= CXL_PSL_SR_An_MP; if (mfspr(SPRN_LPCR) & LPCR_TC) @@ -506,7 +507,6 @@ static u64 calculate_sr(struct cxl_context *ctx) sr |= CXL_PSL_SR_An_HV; } else { sr |= CXL_PSL_SR_An_PR | CXL_PSL_SR_An_R; - set_endian(sr); sr &= ~(CXL_PSL_SR_An_HV); if (!test_tsk_thread_flag(current, TIF_32BIT)) sr |= CXL_PSL_SR_An_SF; diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 95c13b2..ffa2884 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -426,15 +426,6 @@ int add_mtd_device(struct mtd_info *mtd) mtd->erasesize_mask = (1 << mtd->erasesize_shift) - 1; mtd->writesize_mask = (1 << mtd->writesize_shift) - 1; - if (mtd->dev.parent) { - if (!mtd->owner && mtd->dev.parent->driver) - mtd->owner = mtd->dev.parent->driver->owner; - if (!mtd->name) - mtd->name = dev_name(mtd->dev.parent); - } else { - pr_debug("mtd device won't show a device symlink in sysfs\n"); - } - /* Some chips always power up locked. Unlock them now */ if ((mtd->flags & MTD_WRITEABLE) && (mtd->flags & MTD_POWERUP_LOCK)) { error = mtd_unlock(mtd, 0, mtd->size); @@ -549,6 +540,21 @@ static int mtd_add_device_partitions(struct mtd_info *mtd, return 0; } +/* + * Set a few defaults based on the parent devices, if not provided by the + * driver + */ +static void mtd_set_dev_defaults(struct mtd_info *mtd) +{ + if (mtd->dev.parent) { + if (!mtd->owner && mtd->dev.parent->driver) + mtd->owner = mtd->dev.parent->driver->owner; + if (!mtd->name) + mtd->name = dev_name(mtd->dev.parent); + } else { + pr_debug("mtd device won't show a device symlink in sysfs\n"); + } +} /** * mtd_device_parse_register - parse partitions and register an MTD device. @@ -587,6 +593,8 @@ int mtd_device_parse_register(struct mtd_info *mtd, const char * const *types, int ret; struct mtd_partition *real_parts = NULL; + mtd_set_dev_defaults(mtd); + ret = parse_mtd_partitions(mtd, types, &real_parts, parser_data); if (ret <= 0 && nr_parts && parts) { real_parts = kmemdup(parts, sizeof(*parts) * nr_parts, diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c index 669c345..9ed6038 100644 --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -46,10 +46,18 @@ static int parse_ofpart_partitions(struct mtd_info *master, ofpart_node = of_get_child_by_name(mtd_node, "partitions"); if (!ofpart_node) { - pr_warn("%s: 'partitions' subnode not found on %s. Trying to parse direct subnodes as partitions.\n", - master->name, mtd_node->full_name); + /* + * We might get here even when ofpart isn't used at all (e.g., + * when using another parser), so don't be louder than + * KERN_DEBUG + */ + pr_debug("%s: 'partitions' subnode not found on %s. Trying to parse direct subnodes as partitions.\n", + master->name, mtd_node->full_name); ofpart_node = mtd_node; dedicated = false; + } else if (!of_device_is_compatible(ofpart_node, "fixed-partitions")) { + /* The 'partitions' subnode might be used by another parser */ + return 0; } /* First count the subnodes */ diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 4988390..32477c4 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -516,8 +516,8 @@ static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len) status_old = read_sr(nor); /* Cannot unlock; would unlock larger region than requested */ - if (stm_is_locked_sr(nor, status_old, ofs - mtd->erasesize, - mtd->erasesize)) + if (stm_is_locked_sr(nor, ofs - mtd->erasesize, mtd->erasesize, + status_old)) return -EINVAL; /* @@ -1200,8 +1200,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode) if (JEDEC_MFR(info) == SNOR_MFR_ATMEL || JEDEC_MFR(info) == SNOR_MFR_INTEL || - JEDEC_MFR(info) == SNOR_MFR_SST || - JEDEC_MFR(info) == SNOR_MFR_WINBOND) { + JEDEC_MFR(info) == SNOR_MFR_SST) { write_enable(nor); write_sr(nor, 0); } @@ -1217,8 +1216,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode) mtd->_read = spi_nor_read; /* NOR protection support for STmicro/Micron chips and similar */ - if (JEDEC_MFR(info) == SNOR_MFR_MICRON || - JEDEC_MFR(info) == SNOR_MFR_WINBOND) { + if (JEDEC_MFR(info) == SNOR_MFR_MICRON) { nor->flash_lock = stm_lock; nor->flash_unlock = stm_unlock; nor->flash_is_locked = stm_is_locked; diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c index b077e43..c4cb15a 100644 --- a/drivers/mtd/ubi/debug.c +++ b/drivers/mtd/ubi/debug.c @@ -236,7 +236,7 @@ int ubi_debugfs_init(void) dfs_rootdir = debugfs_create_dir("ubi", NULL); if (IS_ERR_OR_NULL(dfs_rootdir)) { - int err = dfs_rootdir ? -ENODEV : PTR_ERR(dfs_rootdir); + int err = dfs_rootdir ? PTR_ERR(dfs_rootdir) : -ENODEV; pr_err("UBI error: cannot create \"ubi\" debugfs directory, error %d\n", err); diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index 1fc23e4..10cf3b5 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -1299,7 +1299,7 @@ static int self_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum) if (err && err != UBI_IO_BITFLIPS && !mtd_is_eccerr(err)) goto exit; - crc = crc32(UBI_CRC32_INIT, vid_hdr, UBI_EC_HDR_SIZE_CRC); + crc = crc32(UBI_CRC32_INIT, vid_hdr, UBI_VID_HDR_SIZE_CRC); hdr_crc = be32_to_cpu(vid_hdr->hdr_crc); if (hdr_crc != crc) { ubi_err(ubi, "bad VID header CRC at PEB %d, calculated %#08x, read %#08x", diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index eb4489f9..5606563 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -603,6 +603,7 @@ static int schedule_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, return 0; } +static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk); /** * do_sync_erase - run the erase worker synchronously. * @ubi: UBI device description object @@ -615,20 +616,16 @@ static int schedule_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, static int do_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e, int vol_id, int lnum, int torture) { - struct ubi_work *wl_wrk; + struct ubi_work wl_wrk; dbg_wl("sync erase of PEB %i", e->pnum); - wl_wrk = kmalloc(sizeof(struct ubi_work), GFP_NOFS); - if (!wl_wrk) - return -ENOMEM; - - wl_wrk->e = e; - wl_wrk->vol_id = vol_id; - wl_wrk->lnum = lnum; - wl_wrk->torture = torture; + wl_wrk.e = e; + wl_wrk.vol_id = vol_id; + wl_wrk.lnum = lnum; + wl_wrk.torture = torture; - return erase_worker(ubi, wl_wrk, 0); + return __erase_worker(ubi, &wl_wrk); } /** @@ -1014,7 +1011,7 @@ out_unlock: } /** - * erase_worker - physical eraseblock erase worker function. + * __erase_worker - physical eraseblock erase worker function. * @ubi: UBI device description object * @wl_wrk: the work object * @shutdown: non-zero if the worker has to free memory and exit @@ -1025,8 +1022,7 @@ out_unlock: * needed. Returns zero in case of success and a negative error code in case of * failure. */ -static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk, - int shutdown) +static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk) { struct ubi_wl_entry *e = wl_wrk->e; int pnum = e->pnum; @@ -1034,21 +1030,11 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk, int lnum = wl_wrk->lnum; int err, available_consumed = 0; - if (shutdown) { - dbg_wl("cancel erasure of PEB %d EC %d", pnum, e->ec); - kfree(wl_wrk); - wl_entry_destroy(ubi, e); - return 0; - } - dbg_wl("erase PEB %d EC %d LEB %d:%d", pnum, e->ec, wl_wrk->vol_id, wl_wrk->lnum); err = sync_erase(ubi, e, wl_wrk->torture); if (!err) { - /* Fine, we've erased it successfully */ - kfree(wl_wrk); - spin_lock(&ubi->wl_lock); wl_tree_add(e, &ubi->free); ubi->free_count++; @@ -1066,7 +1052,6 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk, } ubi_err(ubi, "failed to erase PEB %d, error %d", pnum, err); - kfree(wl_wrk); if (err == -EINTR || err == -ENOMEM || err == -EAGAIN || err == -EBUSY) { @@ -1075,6 +1060,7 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk, /* Re-schedule the LEB for erasure */ err1 = schedule_erase(ubi, e, vol_id, lnum, 0); if (err1) { + wl_entry_destroy(ubi, e); err = err1; goto out_ro; } @@ -1150,6 +1136,25 @@ out_ro: return err; } +static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk, + int shutdown) +{ + int ret; + + if (shutdown) { + struct ubi_wl_entry *e = wl_wrk->e; + + dbg_wl("cancel erasure of PEB %d EC %d", e->pnum, e->ec); + kfree(wl_wrk); + wl_entry_destroy(ubi, e); + return 0; + } + + ret = __erase_worker(ubi, wl_wrk); + kfree(wl_wrk); + return ret; +} + /** * ubi_wl_put_peb - return a PEB to the wear-leveling sub-system. * @ubi: UBI device description object diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 970781a..f6a7161 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1849,7 +1849,7 @@ static int xgbe_exit(struct xgbe_prv_data *pdata) usleep_range(10, 15); /* Poll Until Poll Condition */ - while (count-- && XGMAC_IOREAD_BITS(pdata, DMA_MR, SWR)) + while (--count && XGMAC_IOREAD_BITS(pdata, DMA_MR, SWR)) usleep_range(500, 600); if (!count) @@ -1873,7 +1873,7 @@ static int xgbe_flush_tx_queues(struct xgbe_prv_data *pdata) /* Poll Until Poll Condition */ for (i = 0; i < pdata->tx_q_count; i++) { count = 2000; - while (count-- && XGMAC_MTL_IOREAD_BITS(pdata, i, + while (--count && XGMAC_MTL_IOREAD_BITS(pdata, i, MTL_Q_TQOMR, FTQ)) usleep_range(500, 600); diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 9147a01..d0ae1a6 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -289,6 +289,7 @@ static int xgene_enet_setup_tx_desc(struct xgene_enet_desc_ring *tx_ring, struct sk_buff *skb) { struct device *dev = ndev_to_dev(tx_ring->ndev); + struct xgene_enet_pdata *pdata = netdev_priv(tx_ring->ndev); struct xgene_enet_raw_desc *raw_desc; __le64 *exp_desc = NULL, *exp_bufs = NULL; dma_addr_t dma_addr, pbuf_addr, *frag_dma_addr; @@ -419,6 +420,7 @@ out: raw_desc->m0 = cpu_to_le64(SET_VAL(LL, ll) | SET_VAL(NV, nv) | SET_VAL(USERINFO, tx_ring->tail)); tx_ring->cp_ring->cp_skb[tx_ring->tail] = skb; + pdata->tx_level += count; tx_ring->tail = tail; return count; @@ -429,14 +431,13 @@ static netdev_tx_t xgene_enet_start_xmit(struct sk_buff *skb, { struct xgene_enet_pdata *pdata = netdev_priv(ndev); struct xgene_enet_desc_ring *tx_ring = pdata->tx_ring; - struct xgene_enet_desc_ring *cp_ring = tx_ring->cp_ring; - u32 tx_level, cq_level; + u32 tx_level = pdata->tx_level; int count; - tx_level = pdata->ring_ops->len(tx_ring); - cq_level = pdata->ring_ops->len(cp_ring); - if (unlikely(tx_level > pdata->tx_qcnt_hi || - cq_level > pdata->cp_qcnt_hi)) { + if (tx_level < pdata->txc_level) + tx_level += ((typeof(pdata->tx_level))~0U); + + if ((tx_level - pdata->txc_level) > pdata->tx_qcnt_hi) { netif_stop_queue(ndev); return NETDEV_TX_BUSY; } @@ -539,10 +540,13 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring, struct xgene_enet_raw_desc *raw_desc, *exp_desc; u16 head = ring->head; u16 slots = ring->slots - 1; - int ret, count = 0, processed = 0; + int ret, desc_count, count = 0, processed = 0; + bool is_completion; do { raw_desc = &ring->raw_desc[head]; + desc_count = 0; + is_completion = false; exp_desc = NULL; if (unlikely(xgene_enet_is_desc_slot_empty(raw_desc))) break; @@ -559,18 +563,24 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring, } dma_rmb(); count++; + desc_count++; } - if (is_rx_desc(raw_desc)) + if (is_rx_desc(raw_desc)) { ret = xgene_enet_rx_frame(ring, raw_desc); - else + } else { ret = xgene_enet_tx_completion(ring, raw_desc); + is_completion = true; + } xgene_enet_mark_desc_slot_empty(raw_desc); if (exp_desc) xgene_enet_mark_desc_slot_empty(exp_desc); head = (head + 1) & slots; count++; + desc_count++; processed++; + if (is_completion) + pdata->txc_level += desc_count; if (ret) break; @@ -580,10 +590,8 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring, pdata->ring_ops->wr_cmd(ring, -count); ring->head = head; - if (netif_queue_stopped(ring->ndev)) { - if (pdata->ring_ops->len(ring) < pdata->cp_qcnt_low) - netif_wake_queue(ring->ndev); - } + if (netif_queue_stopped(ring->ndev)) + netif_start_queue(ring->ndev); } return processed; @@ -1033,9 +1041,7 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev) pdata->tx_ring->cp_ring = cp_ring; pdata->tx_ring->dst_ring_num = xgene_enet_dst_ring_num(cp_ring); - pdata->tx_qcnt_hi = pdata->tx_ring->slots / 2; - pdata->cp_qcnt_hi = pdata->rx_ring->slots / 2; - pdata->cp_qcnt_low = pdata->cp_qcnt_hi / 2; + pdata->tx_qcnt_hi = pdata->tx_ring->slots - 128; return 0; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h index a6e56b8..1aa72c7 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h @@ -155,11 +155,11 @@ struct xgene_enet_pdata { enum xgene_enet_id enet_id; struct xgene_enet_desc_ring *tx_ring; struct xgene_enet_desc_ring *rx_ring; + u16 tx_level; + u16 txc_level; char *dev_name; u32 rx_buff_cnt; u32 tx_qcnt_hi; - u32 cp_qcnt_hi; - u32 cp_qcnt_low; u32 rx_irq; u32 txc_irq; u8 cq_cnt; diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 2795d6d..8b5988e 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -1016,13 +1016,12 @@ static int atl1c_setup_ring_resources(struct atl1c_adapter *adapter) sizeof(struct atl1c_recv_ret_status) * rx_desc_count + 8 * 4; - ring_header->desc = pci_alloc_consistent(pdev, ring_header->size, - &ring_header->dma); + ring_header->desc = dma_zalloc_coherent(&pdev->dev, ring_header->size, + &ring_header->dma, GFP_KERNEL); if (unlikely(!ring_header->desc)) { - dev_err(&pdev->dev, "pci_alloc_consistend failed\n"); + dev_err(&pdev->dev, "could not get memory for DMA buffer\n"); goto err_nomem; } - memset(ring_header->desc, 0, ring_header->size); /* init TPD ring */ tpd_ring[0].dma = roundup(ring_header->dma, 8); diff --git a/drivers/net/ethernet/aurora/Kconfig b/drivers/net/ethernet/aurora/Kconfig index a3c7106..8ba7f8f 100644 --- a/drivers/net/ethernet/aurora/Kconfig +++ b/drivers/net/ethernet/aurora/Kconfig @@ -13,6 +13,7 @@ if NET_VENDOR_AURORA config AURORA_NB8800 tristate "Aurora AU-NB8800 support" + depends on HAS_DMA select PHYLIB help Support for the AU-NB8800 gigabit Ethernet controller. diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index f8d7a2f..c82ab87 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3430,25 +3430,29 @@ static u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) return rc; } -#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) +/* VXLAN: 4 = 1 (for linear data BD) + 3 (2 for PBD and last BD) */ +#define BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS 4 + +/* Regular: 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */ +#define BNX2X_NUM_TSO_WIN_SUB_BDS 3 + +#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - BDS_PER_TX_PKT) /* check if packet requires linearization (packet is too fragmented) no need to check fragmentation if page size > 8K (there will be no violation to FW restrictions) */ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb, u32 xmit_type) { - int to_copy = 0; - int hlen = 0; - int first_bd_sz = 0; + int first_bd_sz = 0, num_tso_win_sub = BNX2X_NUM_TSO_WIN_SUB_BDS; + int to_copy = 0, hlen = 0; - /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */ - if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) { + if (xmit_type & XMIT_GSO_ENC) + num_tso_win_sub = BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS; + if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - num_tso_win_sub)) { if (xmit_type & XMIT_GSO) { unsigned short lso_mss = skb_shinfo(skb)->gso_size; - /* Check if LSO packet needs to be copied: - 3 = 1 (for headers BD) + 2 (for PBD and last BD) */ - int wnd_size = MAX_FETCH_BD - 3; + int wnd_size = MAX_FETCH_BD - num_tso_win_sub; /* Number of windows to check */ int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size; int wnd_idx = 0; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index bdf094f..07f5f23 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -2693,17 +2693,16 @@ static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp) req.ver_upd = DRV_VER_UPD; if (BNXT_PF(bp)) { - unsigned long vf_req_snif_bmap[4]; + DECLARE_BITMAP(vf_req_snif_bmap, 256); u32 *data = (u32 *)vf_req_snif_bmap; - memset(vf_req_snif_bmap, 0, 32); + memset(vf_req_snif_bmap, 0, sizeof(vf_req_snif_bmap)); for (i = 0; i < ARRAY_SIZE(bnxt_vf_req_snif); i++) __set_bit(bnxt_vf_req_snif[i], vf_req_snif_bmap); - for (i = 0; i < 8; i++) { - req.vf_req_fwd[i] = cpu_to_le32(*data); - data++; - } + for (i = 0; i < 8; i++) + req.vf_req_fwd[i] = cpu_to_le32(data[i]); + req.enables |= cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_VF_REQ_FWD); } @@ -4603,7 +4602,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) bp->nge_port_cnt = 1; } - bp->state = BNXT_STATE_OPEN; + set_bit(BNXT_STATE_OPEN, &bp->state); bnxt_enable_int(bp); /* Enable TX queues */ bnxt_tx_enable(bp); @@ -4679,8 +4678,10 @@ int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) /* Change device state to avoid TX queue wake up's */ bnxt_tx_disable(bp); - bp->state = BNXT_STATE_CLOSED; - cancel_work_sync(&bp->sp_task); + clear_bit(BNXT_STATE_OPEN, &bp->state); + smp_mb__after_atomic(); + while (test_bit(BNXT_STATE_IN_SP_TASK, &bp->state)) + msleep(20); /* Flush rings before disabling interrupts */ bnxt_shutdown_nic(bp, irq_re_init); @@ -5030,8 +5031,10 @@ static void bnxt_dbg_dump_states(struct bnxt *bp) static void bnxt_reset_task(struct bnxt *bp) { bnxt_dbg_dump_states(bp); - if (netif_running(bp->dev)) - bnxt_tx_disable(bp); /* prevent tx timout again */ + if (netif_running(bp->dev)) { + bnxt_close_nic(bp, false, false); + bnxt_open_nic(bp, false, false); + } } static void bnxt_tx_timeout(struct net_device *dev) @@ -5081,8 +5084,12 @@ static void bnxt_sp_task(struct work_struct *work) struct bnxt *bp = container_of(work, struct bnxt, sp_task); int rc; - if (bp->state != BNXT_STATE_OPEN) + set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); + smp_mb__after_atomic(); + if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { + clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); return; + } if (test_and_clear_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event)) bnxt_cfg_rx_mode(bp); @@ -5106,8 +5113,19 @@ static void bnxt_sp_task(struct work_struct *work) bnxt_hwrm_tunnel_dst_port_free( bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN); } - if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event)) + if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event)) { + /* bnxt_reset_task() calls bnxt_close_nic() which waits + * for BNXT_STATE_IN_SP_TASK to clear. + */ + clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); + rtnl_lock(); bnxt_reset_task(bp); + set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); + rtnl_unlock(); + } + + smp_mb__before_atomic(); + clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); } static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev) @@ -5186,7 +5204,7 @@ static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev) bp->timer.function = bnxt_timer; bp->current_interval = BNXT_TIMER_INTERVAL; - bp->state = BNXT_STATE_CLOSED; + clear_bit(BNXT_STATE_OPEN, &bp->state); return 0; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 674bc51..f199f4c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -925,9 +925,9 @@ struct bnxt { struct timer_list timer; - int state; -#define BNXT_STATE_CLOSED 0 -#define BNXT_STATE_OPEN 1 + unsigned long state; +#define BNXT_STATE_OPEN 0 +#define BNXT_STATE_IN_SP_TASK 1 struct bnxt_irq *irq_tbl; u8 mac_addr[ETH_ALEN]; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index 7a9af28..ea044bb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -21,7 +21,7 @@ #ifdef CONFIG_BNXT_SRIOV static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id) { - if (bp->state != BNXT_STATE_OPEN) { + if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { netdev_err(bp->dev, "vf ndo called though PF is down\n"); return -EINVAL; } diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index 4b7fd63..5f24d11 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -37,7 +37,6 @@ struct nicpf { #define NIC_GET_BGX_FROM_VF_LMAC_MAP(map) ((map >> 4) & 0xF) #define NIC_GET_LMAC_FROM_VF_LMAC_MAP(map) (map & 0xF) u8 vf_lmac_map[MAX_LMAC]; - u8 lmac_cnt; struct delayed_work dwork; struct workqueue_struct *check_link; u8 link[MAX_LMAC]; @@ -280,7 +279,6 @@ static void nic_set_lmac_vf_mapping(struct nicpf *nic) u64 lmac_credit; nic->num_vf_en = 0; - nic->lmac_cnt = 0; for (bgx = 0; bgx < NIC_MAX_BGX; bgx++) { if (!(bgx_map & (1 << bgx))) @@ -290,7 +288,6 @@ static void nic_set_lmac_vf_mapping(struct nicpf *nic) nic->vf_lmac_map[next_bgx_lmac++] = NIC_SET_VF_LMAC_MAP(bgx, lmac); nic->num_vf_en += lmac_cnt; - nic->lmac_cnt += lmac_cnt; /* Program LMAC credits */ lmac_credit = (1ull << 1); /* channel credit enable */ @@ -618,6 +615,21 @@ static int nic_config_loopback(struct nicpf *nic, struct set_loopback *lbk) return 0; } +static void nic_enable_vf(struct nicpf *nic, int vf, bool enable) +{ + int bgx, lmac; + + nic->vf_enabled[vf] = enable; + + if (vf >= nic->num_vf_en) + return; + + bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); + lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); + + bgx_lmac_rx_tx_enable(nic->node, bgx, lmac, enable); +} + /* Interrupt handler to handle mailbox messages from VFs */ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) { @@ -717,29 +729,14 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) break; case NIC_MBOX_MSG_CFG_DONE: /* Last message of VF config msg sequence */ - nic->vf_enabled[vf] = true; - if (vf >= nic->lmac_cnt) - goto unlock; - - bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); - lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); - - bgx_lmac_rx_tx_enable(nic->node, bgx, lmac, true); + nic_enable_vf(nic, vf, true); goto unlock; case NIC_MBOX_MSG_SHUTDOWN: /* First msg in VF teardown sequence */ - nic->vf_enabled[vf] = false; if (vf >= nic->num_vf_en) nic->sqs_used[vf - nic->num_vf_en] = false; nic->pqs_vf[vf] = 0; - - if (vf >= nic->lmac_cnt) - break; - - bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); - lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); - - bgx_lmac_rx_tx_enable(nic->node, bgx, lmac, false); + nic_enable_vf(nic, vf, false); break; case NIC_MBOX_MSG_ALLOC_SQS: nic_alloc_sqs(nic, &mbx.sqs_alloc); @@ -958,7 +955,7 @@ static void nic_poll_for_link(struct work_struct *work) mbx.link_status.msg = NIC_MBOX_MSG_BGX_LINK_CHANGE; - for (vf = 0; vf < nic->lmac_cnt; vf++) { + for (vf = 0; vf < nic->num_vf_en; vf++) { /* Poll only if VF is UP */ if (!nic->vf_enabled[vf]) continue; diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c index c308429..11dd91e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c +++ b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c @@ -295,6 +295,10 @@ struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start, INIT_LIST_HEAD(&ctbl->hash_list[i]); cl_list = t4_alloc_mem(clipt_size*sizeof(struct clip_entry)); + if (!cl_list) { + t4_free_mem(ctbl); + return NULL; + } ctbl->cl_list = (void *)cl_list; for (i = 0; i < clipt_size; i++) { diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index d463563..6ee78c2 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -848,8 +848,6 @@ void be_roce_dev_remove(struct be_adapter *); /* * internal function to open-close roce device during ifup-ifdown. */ -void be_roce_dev_open(struct be_adapter *); -void be_roce_dev_close(struct be_adapter *); void be_roce_dev_shutdown(struct be_adapter *); #endif /* BE_H */ diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index b6ad029..8a1d9ff 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -3299,8 +3299,10 @@ static int be_msix_register(struct be_adapter *adapter) return 0; err_msix: - for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--) + for (i--; i >= 0; i--) { + eqo = &adapter->eq_obj[i]; free_irq(be_msix_vec_get(adapter, eqo), eqo); + } dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", status); be_msix_disable(adapter); @@ -3432,8 +3434,6 @@ static int be_close(struct net_device *netdev) be_disable_if_filters(adapter); - be_roce_dev_close(adapter); - if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { for_all_evt_queues(adapter, eqo, i) { napi_disable(&eqo->napi); @@ -3601,8 +3601,6 @@ static int be_open(struct net_device *netdev) be_link_status_update(adapter, link_status); netif_tx_start_all_queues(netdev); - be_roce_dev_open(adapter); - #ifdef CONFIG_BE2NET_VXLAN if (skyhawk_chip(adapter)) vxlan_get_rx_port(netdev); diff --git a/drivers/net/ethernet/emulex/benet/be_roce.c b/drivers/net/ethernet/emulex/benet/be_roce.c index 6036820..4089156 100644 --- a/drivers/net/ethernet/emulex/benet/be_roce.c +++ b/drivers/net/ethernet/emulex/benet/be_roce.c @@ -116,40 +116,6 @@ void be_roce_dev_remove(struct be_adapter *adapter) } } -static void _be_roce_dev_open(struct be_adapter *adapter) -{ - if (ocrdma_drv && adapter->ocrdma_dev && - ocrdma_drv->state_change_handler) - ocrdma_drv->state_change_handler(adapter->ocrdma_dev, - BE_DEV_UP); -} - -void be_roce_dev_open(struct be_adapter *adapter) -{ - if (be_roce_supported(adapter)) { - mutex_lock(&be_adapter_list_lock); - _be_roce_dev_open(adapter); - mutex_unlock(&be_adapter_list_lock); - } -} - -static void _be_roce_dev_close(struct be_adapter *adapter) -{ - if (ocrdma_drv && adapter->ocrdma_dev && - ocrdma_drv->state_change_handler) - ocrdma_drv->state_change_handler(adapter->ocrdma_dev, - BE_DEV_DOWN); -} - -void be_roce_dev_close(struct be_adapter *adapter) -{ - if (be_roce_supported(adapter)) { - mutex_lock(&be_adapter_list_lock); - _be_roce_dev_close(adapter); - mutex_unlock(&be_adapter_list_lock); - } -} - void be_roce_dev_shutdown(struct be_adapter *adapter) { if (be_roce_supported(adapter)) { @@ -177,8 +143,6 @@ int be_roce_register_driver(struct ocrdma_driver *drv) _be_roce_dev_add(dev); netdev = dev->netdev; - if (netif_running(netdev) && netif_oper_up(netdev)) - _be_roce_dev_open(dev); } mutex_unlock(&be_adapter_list_lock); return 0; diff --git a/drivers/net/ethernet/emulex/benet/be_roce.h b/drivers/net/ethernet/emulex/benet/be_roce.h index cde6ef9..fde6097 100644 --- a/drivers/net/ethernet/emulex/benet/be_roce.h +++ b/drivers/net/ethernet/emulex/benet/be_roce.h @@ -60,9 +60,7 @@ struct ocrdma_driver { void (*state_change_handler) (struct ocrdma_dev *, u32 new_state); }; -enum { - BE_DEV_UP = 0, - BE_DEV_DOWN = 1, +enum be_roce_event { BE_DEV_SHUTDOWN = 2 }; diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c index 63c2bcf..b102668 100644 --- a/drivers/net/ethernet/ezchip/nps_enet.c +++ b/drivers/net/ethernet/ezchip/nps_enet.c @@ -48,21 +48,15 @@ static void nps_enet_read_rx_fifo(struct net_device *ndev, *reg = nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF); else { /* !dst_is_aligned */ for (i = 0; i < len; i++, reg++) { - u32 buf = - nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF); - - /* to accommodate word-unaligned address of "reg" - * we have to do memcpy_toio() instead of simple "=". - */ - memcpy_toio((void __iomem *)reg, &buf, sizeof(buf)); + u32 buf = nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF); + put_unaligned(buf, reg); } } /* copy last bytes (if any) */ if (last) { u32 buf = nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF); - - memcpy_toio((void __iomem *)reg, &buf, last); + memcpy((u8*)reg, &buf, last); } } @@ -367,7 +361,7 @@ static void nps_enet_send_frame(struct net_device *ndev, struct nps_enet_tx_ctl tx_ctrl; short length = skb->len; u32 i, len = DIV_ROUND_UP(length, sizeof(u32)); - u32 *src = (u32 *)virt_to_phys(skb->data); + u32 *src = (void *)skb->data; bool src_is_aligned = IS_ALIGNED((unsigned long)src, sizeof(u32)); tx_ctrl.value = 0; @@ -375,17 +369,11 @@ static void nps_enet_send_frame(struct net_device *ndev, if (src_is_aligned) for (i = 0; i < len; i++, src++) nps_enet_reg_set(priv, NPS_ENET_REG_TX_BUF, *src); - else { /* !src_is_aligned */ - for (i = 0; i < len; i++, src++) { - u32 buf; - - /* to accommodate word-unaligned address of "src" - * we have to do memcpy_fromio() instead of simple "=" - */ - memcpy_fromio(&buf, (void __iomem *)src, sizeof(buf)); - nps_enet_reg_set(priv, NPS_ENET_REG_TX_BUF, buf); - } - } + else /* !src_is_aligned */ + for (i = 0; i < len; i++, src++) + nps_enet_reg_set(priv, NPS_ENET_REG_TX_BUF, + get_unaligned(src)); + /* Write the length of the Frame */ tx_ctrl.nt = length; diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c index 08f5b91..52e0091 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c @@ -552,7 +552,7 @@ static void tx_restart(struct net_device *dev) cbd_t __iomem *prev_bd; cbd_t __iomem *last_tx_bd; - last_tx_bd = fep->tx_bd_base + (fpi->tx_ring * sizeof(cbd_t)); + last_tx_bd = fep->tx_bd_base + ((fpi->tx_ring - 1) * sizeof(cbd_t)); /* get the current bd held in TBPTR and scan back from this point */ recheck_bd = curr_tbptr = (cbd_t __iomem *) diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c index 55c3623..40071da 100644 --- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c +++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c @@ -464,7 +464,7 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev) * address). Print error message but continue anyway. */ if ((void *)tbipa > priv->map + resource_size(&res) - 4) - dev_err(&pdev->dev, "invalid register map (should be at least 0x%04x to contain TBI address)\n", + dev_err(&pdev->dev, "invalid register map (should be at least 0x%04zx to contain TBI address)\n", ((void *)tbipa - priv->map) + 4); iowrite32be(be32_to_cpup(prop), tbipa); diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 7cf8984..3e233d9 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -894,7 +894,8 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev) FSL_GIANFAR_DEV_HAS_VLAN | FSL_GIANFAR_DEV_HAS_MAGIC_PACKET | FSL_GIANFAR_DEV_HAS_EXTENDED_HASH | - FSL_GIANFAR_DEV_HAS_TIMER; + FSL_GIANFAR_DEV_HAS_TIMER | + FSL_GIANFAR_DEV_HAS_RX_FILER; err = of_property_read_string(np, "phy-connection-type", &ctype); @@ -1396,8 +1397,9 @@ static int gfar_probe(struct platform_device *ofdev) priv->rx_queue[i]->rxic = DEFAULT_RXIC; } - /* always enable rx filer */ - priv->rx_filer_enable = 1; + /* Always enable rx filer if available */ + priv->rx_filer_enable = + (priv->device_flags & FSL_GIANFAR_DEV_HAS_RX_FILER) ? 1 : 0; /* Enable most messages by default */ priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1; /* use pritority h/w tx queue scheduling for single queue devices */ diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h index f266b20..cb77667 100644 --- a/drivers/net/ethernet/freescale/gianfar.h +++ b/drivers/net/ethernet/freescale/gianfar.h @@ -923,6 +923,7 @@ struct gfar { #define FSL_GIANFAR_DEV_HAS_BUF_STASHING 0x00000400 #define FSL_GIANFAR_DEV_HAS_TIMER 0x00000800 #define FSL_GIANFAR_DEV_HAS_WAKE_ON_FILER 0x00001000 +#define FSL_GIANFAR_DEV_HAS_RX_FILER 0x00002000 #if (MAXGROUPS == 2) #define DEFAULT_MAPPING 0xAA diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index 2a98eba..b674414 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -1259,12 +1259,8 @@ int hns_dsaf_set_mac_uc_entry( if (MAC_IS_ALL_ZEROS(mac_entry->addr) || MAC_IS_BROADCAST(mac_entry->addr) || MAC_IS_MULTICAST(mac_entry->addr)) { - dev_err(dsaf_dev->dev, - "set_uc %s Mac %02x:%02x:%02x:%02x:%02x:%02x err!\n", - dsaf_dev->ae_dev.name, mac_entry->addr[0], - mac_entry->addr[1], mac_entry->addr[2], - mac_entry->addr[3], mac_entry->addr[4], - mac_entry->addr[5]); + dev_err(dsaf_dev->dev, "set_uc %s Mac %pM err!\n", + dsaf_dev->ae_dev.name, mac_entry->addr); return -EINVAL; } @@ -1331,12 +1327,8 @@ int hns_dsaf_set_mac_mc_entry( /* mac addr check */ if (MAC_IS_ALL_ZEROS(mac_entry->addr)) { - dev_err(dsaf_dev->dev, - "set uc %s Mac %02x:%02x:%02x:%02x:%02x:%02x err!\n", - dsaf_dev->ae_dev.name, mac_entry->addr[0], - mac_entry->addr[1], mac_entry->addr[2], - mac_entry->addr[3], - mac_entry->addr[4], mac_entry->addr[5]); + dev_err(dsaf_dev->dev, "set uc %s Mac %pM err!\n", + dsaf_dev->ae_dev.name, mac_entry->addr); return -EINVAL; } @@ -1410,11 +1402,8 @@ int hns_dsaf_add_mac_mc_port(struct dsaf_device *dsaf_dev, /*chechk mac addr */ if (MAC_IS_ALL_ZEROS(mac_entry->addr)) { - dev_err(dsaf_dev->dev, - "set_entry failed,addr %02x:%02x:%02x:%02x:%02x:%02x!\n", - mac_entry->addr[0], mac_entry->addr[1], - mac_entry->addr[2], mac_entry->addr[3], - mac_entry->addr[4], mac_entry->addr[5]); + dev_err(dsaf_dev->dev, "set_entry failed,addr %pM!\n", + mac_entry->addr); return -EINVAL; } @@ -1497,9 +1486,8 @@ int hns_dsaf_del_mac_entry(struct dsaf_device *dsaf_dev, u16 vlan_id, /*check mac addr */ if (MAC_IS_ALL_ZEROS(addr) || MAC_IS_BROADCAST(addr)) { - dev_err(dsaf_dev->dev, - "del_entry failed,addr %02x:%02x:%02x:%02x:%02x:%02x!\n", - addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); + dev_err(dsaf_dev->dev, "del_entry failed,addr %pM!\n", + addr); return -EINVAL; } @@ -1563,11 +1551,8 @@ int hns_dsaf_del_mac_mc_port(struct dsaf_device *dsaf_dev, /*check mac addr */ if (MAC_IS_ALL_ZEROS(mac_entry->addr)) { - dev_err(dsaf_dev->dev, - "del_port failed, addr %02x:%02x:%02x:%02x:%02x:%02x!\n", - mac_entry->addr[0], mac_entry->addr[1], - mac_entry->addr[2], mac_entry->addr[3], - mac_entry->addr[4], mac_entry->addr[5]); + dev_err(dsaf_dev->dev, "del_port failed, addr %pM!\n", + mac_entry->addr); return -EINVAL; } @@ -1644,11 +1629,8 @@ int hns_dsaf_get_mac_uc_entry(struct dsaf_device *dsaf_dev, /* check macaddr */ if (MAC_IS_ALL_ZEROS(mac_entry->addr) || MAC_IS_BROADCAST(mac_entry->addr)) { - dev_err(dsaf_dev->dev, - "get_entry failed,addr %02x:%02x:%02x:%02x:%02x:%02x\n", - mac_entry->addr[0], mac_entry->addr[1], - mac_entry->addr[2], mac_entry->addr[3], - mac_entry->addr[4], mac_entry->addr[5]); + dev_err(dsaf_dev->dev, "get_entry failed,addr %pM\n", + mac_entry->addr); return -EINVAL; } @@ -1695,11 +1677,8 @@ int hns_dsaf_get_mac_mc_entry(struct dsaf_device *dsaf_dev, /*check mac addr */ if (MAC_IS_ALL_ZEROS(mac_entry->addr) || MAC_IS_BROADCAST(mac_entry->addr)) { - dev_err(dsaf_dev->dev, - "get_entry failed,addr %02x:%02x:%02x:%02x:%02x:%02x\n", - mac_entry->addr[0], mac_entry->addr[1], - mac_entry->addr[2], mac_entry->addr[3], - mac_entry->addr[4], mac_entry->addr[5]); + dev_err(dsaf_dev->dev, "get_entry failed,addr %pM\n", + mac_entry->addr); return -EINVAL; } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h index b475e1b..bdbd804 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_reg.h @@ -898,7 +898,7 @@ #define XGMAC_PAUSE_CTL_RSP_MODE_B 2 #define XGMAC_PAUSE_CTL_TX_XOFF_B 3 -static inline void dsaf_write_reg(void *base, u32 reg, u32 value) +static inline void dsaf_write_reg(void __iomem *base, u32 reg, u32 value) { u8 __iomem *reg_addr = ACCESS_ONCE(base); @@ -908,7 +908,7 @@ static inline void dsaf_write_reg(void *base, u32 reg, u32 value) #define dsaf_write_dev(a, reg, value) \ dsaf_write_reg((a)->io_base, (reg), (value)) -static inline u32 dsaf_read_reg(u8 *base, u32 reg) +static inline u32 dsaf_read_reg(u8 __iomem *base, u32 reg) { u8 __iomem *reg_addr = ACCESS_ONCE(base); @@ -927,8 +927,8 @@ static inline u32 dsaf_read_reg(u8 *base, u32 reg) #define dsaf_set_bit(origin, shift, val) \ dsaf_set_field((origin), (1ull << (shift)), (shift), (val)) -static inline void dsaf_set_reg_field(void *base, u32 reg, u32 mask, u32 shift, - u32 val) +static inline void dsaf_set_reg_field(void __iomem *base, u32 reg, u32 mask, + u32 shift, u32 val) { u32 origin = dsaf_read_reg(base, reg); @@ -947,7 +947,8 @@ static inline void dsaf_set_reg_field(void *base, u32 reg, u32 mask, u32 shift, #define dsaf_get_bit(origin, shift) \ dsaf_get_field((origin), (1ull << (shift)), (shift)) -static inline u32 dsaf_get_reg_field(void *base, u32 reg, u32 mask, u32 shift) +static inline u32 dsaf_get_reg_field(void __iomem *base, u32 reg, u32 mask, + u32 shift) { u32 origin; diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index 0ff8f01..1fd5ea8 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -567,10 +567,6 @@ i40e_status i40e_init_adminq(struct i40e_hw *hw) goto init_adminq_exit; } - /* initialize locks */ - mutex_init(&hw->aq.asq_mutex); - mutex_init(&hw->aq.arq_mutex); - /* Set up register offsets */ i40e_adminq_init_regs(hw); @@ -664,8 +660,6 @@ i40e_status i40e_shutdown_adminq(struct i40e_hw *hw) i40e_shutdown_asq(hw); i40e_shutdown_arq(hw); - /* destroy the locks */ - if (hw->nvm_buff.va) i40e_free_virt_mem(hw, &hw->nvm_buff); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index b825f97..4a9873ec 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -10295,6 +10295,12 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* set up a default setting for link flow control */ pf->hw.fc.requested_mode = I40E_FC_NONE; + /* set up the locks for the AQ, do this only once in probe + * and destroy them only once in remove + */ + mutex_init(&hw->aq.asq_mutex); + mutex_init(&hw->aq.arq_mutex); + err = i40e_init_adminq(hw); /* provide nvm, fw, api versions */ @@ -10697,7 +10703,6 @@ static void i40e_remove(struct pci_dev *pdev) set_bit(__I40E_DOWN, &pf->state); del_timer_sync(&pf->service_timer); cancel_work_sync(&pf->service_task); - i40e_fdir_teardown(pf); if (pf->flags & I40E_FLAG_SRIOV_ENABLED) { i40e_free_vfs(pf); @@ -10740,6 +10745,10 @@ static void i40e_remove(struct pci_dev *pdev) "Failed to destroy the Admin Queue resources: %d\n", ret_code); + /* destroy the locks only once, here */ + mutex_destroy(&hw->aq.arq_mutex); + mutex_destroy(&hw->aq.asq_mutex); + /* Clear all dynamic memory lists of rings, q_vectors, and VSIs */ i40e_clear_interrupt_scheme(pf); for (i = 0; i < pf->num_alloc_vsi; i++) { diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c index fd123ca..3f65e39 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c @@ -551,10 +551,6 @@ i40e_status i40evf_init_adminq(struct i40e_hw *hw) goto init_adminq_exit; } - /* initialize locks */ - mutex_init(&hw->aq.asq_mutex); - mutex_init(&hw->aq.arq_mutex); - /* Set up register offsets */ i40e_adminq_init_regs(hw); @@ -596,8 +592,6 @@ i40e_status i40evf_shutdown_adminq(struct i40e_hw *hw) i40e_shutdown_asq(hw); i40e_shutdown_arq(hw); - /* destroy the locks */ - if (hw->nvm_buff.va) i40e_free_virt_mem(hw, &hw->nvm_buff); diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index d962164..99d2cff 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -2476,6 +2476,12 @@ static int i40evf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw->bus.device = PCI_SLOT(pdev->devfn); hw->bus.func = PCI_FUNC(pdev->devfn); + /* set up the locks for the AQ, do this only once in probe + * and destroy them only once in remove + */ + mutex_init(&hw->aq.asq_mutex); + mutex_init(&hw->aq.arq_mutex); + INIT_LIST_HEAD(&adapter->mac_filter_list); INIT_LIST_HEAD(&adapter->vlan_filter_list); @@ -2629,6 +2635,10 @@ static void i40evf_remove(struct pci_dev *pdev) if (hw->aq.asq.count) i40evf_shutdown_adminq(hw); + /* destroy the locks only once, here */ + mutex_destroy(&hw->aq.arq_mutex); + mutex_destroy(&hw->aq.asq_mutex); + iounmap(hw->hw_addr); pci_release_regions(pdev); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 47395ff..aed8d02 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -7920,6 +7920,9 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc) */ if (netif_running(dev)) ixgbe_close(dev); + else + ixgbe_reset(adapter); + ixgbe_clear_interrupt_scheme(adapter); #ifdef CONFIG_IXGBE_DCB diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index d9884fd..a4beccf 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -3413,16 +3413,23 @@ static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv, } /* Free all buffers from the pool */ -static void mvpp2_bm_bufs_free(struct mvpp2 *priv, struct mvpp2_bm_pool *bm_pool) +static void mvpp2_bm_bufs_free(struct device *dev, struct mvpp2 *priv, + struct mvpp2_bm_pool *bm_pool) { int i; for (i = 0; i < bm_pool->buf_num; i++) { + dma_addr_t buf_phys_addr; u32 vaddr; /* Get buffer virtual address (indirect access) */ - mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id)); + buf_phys_addr = mvpp2_read(priv, + MVPP2_BM_PHY_ALLOC_REG(bm_pool->id)); vaddr = mvpp2_read(priv, MVPP2_BM_VIRT_ALLOC_REG); + + dma_unmap_single(dev, buf_phys_addr, + bm_pool->buf_size, DMA_FROM_DEVICE); + if (!vaddr) break; dev_kfree_skb_any((struct sk_buff *)vaddr); @@ -3439,7 +3446,7 @@ static int mvpp2_bm_pool_destroy(struct platform_device *pdev, { u32 val; - mvpp2_bm_bufs_free(priv, bm_pool); + mvpp2_bm_bufs_free(&pdev->dev, priv, bm_pool); if (bm_pool->buf_num) { WARN(1, "cannot free all buffers in pool %d\n", bm_pool->id); return 0; @@ -3692,7 +3699,8 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, MVPP2_BM_LONG_BUF_NUM : MVPP2_BM_SHORT_BUF_NUM; else - mvpp2_bm_bufs_free(port->priv, new_pool); + mvpp2_bm_bufs_free(port->dev->dev.parent, + port->priv, new_pool); new_pool->pkt_size = pkt_size; @@ -3756,7 +3764,7 @@ static int mvpp2_bm_update_mtu(struct net_device *dev, int mtu) int pkt_size = MVPP2_RX_PKT_SIZE(mtu); /* Update BM pool with new buffer size */ - mvpp2_bm_bufs_free(port->priv, port_pool); + mvpp2_bm_bufs_free(dev->dev.parent, port->priv, port_pool); if (port_pool->buf_num) { WARN(1, "cannot free all buffers in pool %d\n", port_pool->id); return -EIO; @@ -4401,11 +4409,10 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, mvpp2_txq_inc_get(txq_pcpu); - if (!skb) - continue; - dma_unmap_single(port->dev->dev.parent, buf_phys_addr, skb_headlen(skb), DMA_TO_DEVICE); + if (!skb) + continue; dev_kfree_skb_any(skb); } } @@ -5092,7 +5099,8 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, struct mvpp2_rx_queue *rxq) { struct net_device *dev = port->dev; - int rx_received, rx_filled, i; + int rx_received; + int rx_done = 0; u32 rcvd_pkts = 0; u32 rcvd_bytes = 0; @@ -5101,17 +5109,18 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, if (rx_todo > rx_received) rx_todo = rx_received; - rx_filled = 0; - for (i = 0; i < rx_todo; i++) { + while (rx_done < rx_todo) { struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq); struct mvpp2_bm_pool *bm_pool; struct sk_buff *skb; + dma_addr_t phys_addr; u32 bm, rx_status; int pool, rx_bytes, err; - rx_filled++; + rx_done++; rx_status = rx_desc->status; rx_bytes = rx_desc->data_size - MVPP2_MH_SIZE; + phys_addr = rx_desc->buf_phys_addr; bm = mvpp2_bm_cookie_build(rx_desc); pool = mvpp2_bm_cookie_pool_get(bm); @@ -5128,8 +5137,10 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, * comprised by the RX descriptor. */ if (rx_status & MVPP2_RXD_ERR_SUMMARY) { + err_drop_frame: dev->stats.rx_errors++; mvpp2_rx_error(port, rx_desc); + /* Return the buffer to the pool */ mvpp2_pool_refill(port, bm, rx_desc->buf_phys_addr, rx_desc->buf_cookie); continue; @@ -5137,6 +5148,15 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, skb = (struct sk_buff *)rx_desc->buf_cookie; + err = mvpp2_rx_refill(port, bm_pool, bm, 0); + if (err) { + netdev_err(port->dev, "failed to refill BM pools\n"); + goto err_drop_frame; + } + + dma_unmap_single(dev->dev.parent, phys_addr, + bm_pool->buf_size, DMA_FROM_DEVICE); + rcvd_pkts++; rcvd_bytes += rx_bytes; atomic_inc(&bm_pool->in_use); @@ -5147,12 +5167,6 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, mvpp2_rx_csum(port, rx_status, skb); napi_gro_receive(&port->napi, skb); - - err = mvpp2_rx_refill(port, bm_pool, bm, 0); - if (err) { - netdev_err(port->dev, "failed to refill BM pools\n"); - rx_filled--; - } } if (rcvd_pkts) { @@ -5166,7 +5180,7 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, /* Update Rx queue management counters */ wmb(); - mvpp2_rxq_status_update(port, rxq->id, rx_todo, rx_filled); + mvpp2_rxq_status_update(port, rxq->id, rx_done, rx_done); return rx_todo; } diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 2177e56..d48d579 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -1010,7 +1010,7 @@ static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, int slave, if (!(smp->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED && smp->method == IB_MGMT_METHOD_GET) || network_view) { mlx4_err(dev, "Unprivileged slave %d is trying to execute a Subnet MGMT MAD, class 0x%x, method 0x%x, view=%s for attr 0x%x. Rejecting\n", - slave, smp->method, smp->mgmt_class, + slave, smp->mgmt_class, smp->method, network_view ? "Network" : "Host", be16_to_cpu(smp->attr_id)); return -EPERM; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c index 8a083d7..038f9ce 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c @@ -242,6 +242,13 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev) unsigned long flags; u64 ns, zero = 0; + /* mlx4_en_init_timestamp is called for each netdev. + * mdev->ptp_clock is common for all ports, skip initialization if + * was done for other port. + */ + if (mdev->ptp_clock) + return; + rwlock_init(&mdev->clock_lock); memset(&mdev->cycles, 0, sizeof(mdev->cycles)); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c index 005f910..e0ec280 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c @@ -232,9 +232,6 @@ static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr) if (mdev->pndev[i]) mlx4_en_destroy_netdev(mdev->pndev[i]); - if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) - mlx4_en_remove_timestamp(mdev); - flush_workqueue(mdev->workqueue); destroy_workqueue(mdev->workqueue); (void) mlx4_mr_free(dev, &mdev->mr); @@ -320,10 +317,6 @@ static void *mlx4_en_add(struct mlx4_dev *dev) mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) mdev->port_cnt++; - /* Initialize time stamp mechanism */ - if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) - mlx4_en_init_timestamp(mdev); - /* Set default number of RX rings*/ mlx4_en_set_num_rx_rings(mdev); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 886e1bc..7869f97 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2072,6 +2072,9 @@ void mlx4_en_destroy_netdev(struct net_device *dev) /* flush any pending task for this netdev */ flush_workqueue(mdev->workqueue); + if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) + mlx4_en_remove_timestamp(mdev); + /* Detach the netdev so tasks would not attempt to access it */ mutex_lock(&mdev->state_lock); mdev->pndev[priv->port] = NULL; @@ -3058,9 +3061,12 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, } queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); + /* Initialize time stamp mechanism */ if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) - queue_delayed_work(mdev->workqueue, &priv->service_task, - SERVICE_TASK_DELAY); + mlx4_en_init_timestamp(mdev); + + queue_delayed_work(mdev->workqueue, &priv->service_task, + SERVICE_TASK_DELAY); mlx4_en_set_stats_bitmap(mdev->dev, &priv->stats_bitmap, mdev->profile.prof[priv->port].rx_ppp, diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 6fec3e9..cad6c44 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -4306,9 +4306,10 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, return -EOPNOTSUPP; ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; - ctrl->port = mlx4_slave_convert_port(dev, slave, ctrl->port); - if (ctrl->port <= 0) + err = mlx4_slave_convert_port(dev, slave, ctrl->port); + if (err <= 0) return -EINVAL; + ctrl->port = err; qpn = be32_to_cpu(ctrl->qpn) & 0xffffff; err = get_res(dev, slave, qpn, RES_QP, &rqp); if (err) { diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c index b83f7c0..122c2ee 100644 --- a/drivers/net/ethernet/natsemi/natsemi.c +++ b/drivers/net/ethernet/natsemi/natsemi.c @@ -1937,6 +1937,12 @@ static void refill_rx(struct net_device *dev) break; /* Better luck next round. */ np->rx_dma[entry] = pci_map_single(np->pci_dev, skb->data, buflen, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(np->pci_dev, + np->rx_dma[entry])) { + dev_kfree_skb_any(skb); + np->rx_skbuff[entry] = NULL; + break; /* Better luck next round. */ + } np->rx_ring[entry].addr = cpu_to_le32(np->rx_dma[entry]); } np->rx_ring[entry].cmd_status = cpu_to_le32(np->rx_buf_sz); @@ -2093,6 +2099,12 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev) np->tx_skbuff[entry] = skb; np->tx_dma[entry] = pci_map_single(np->pci_dev, skb->data,skb->len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(np->pci_dev, np->tx_dma[entry])) { + np->tx_skbuff[entry] = NULL; + dev_kfree_skb_irq(skb); + dev->stats.tx_dropped++; + return NETDEV_TX_OK; + } np->tx_ring[entry].addr = cpu_to_le32(np->tx_dma[entry]); diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h index ac17d86..1292c36 100644 --- a/drivers/net/ethernet/qlogic/qed/qed.h +++ b/drivers/net/ethernet/qlogic/qed/qed.h @@ -299,6 +299,7 @@ struct qed_hwfn { /* Flag indicating whether interrupts are enabled or not*/ bool b_int_enabled; + bool b_int_requested; struct qed_mcp_info *mcp_info; @@ -491,6 +492,8 @@ u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len, u8 *input_buf, u32 max_size, u8 *unzip_buf); +int qed_slowpath_irq_req(struct qed_hwfn *hwfn); + #define QED_ETH_INTERFACE_VERSION 300 #endif /* _QED_H */ diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index 803b190..817bbd5 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -1385,52 +1385,63 @@ err0: return rc; } -static u32 qed_hw_bar_size(struct qed_dev *cdev, - u8 bar_id) +static u32 qed_hw_bar_size(struct qed_hwfn *p_hwfn, + u8 bar_id) { - u32 size = pci_resource_len(cdev->pdev, (bar_id > 0) ? 2 : 0); + u32 bar_reg = (bar_id == 0 ? PGLUE_B_REG_PF_BAR0_SIZE + : PGLUE_B_REG_PF_BAR1_SIZE); + u32 val = qed_rd(p_hwfn, p_hwfn->p_main_ptt, bar_reg); - return size / cdev->num_hwfns; + /* Get the BAR size(in KB) from hardware given val */ + return 1 << (val + 15); } int qed_hw_prepare(struct qed_dev *cdev, int personality) { - int rc, i; + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + int rc; /* Store the precompiled init data ptrs */ qed_init_iro_array(cdev); /* Initialize the first hwfn - will learn number of hwfns */ - rc = qed_hw_prepare_single(&cdev->hwfns[0], cdev->regview, + rc = qed_hw_prepare_single(p_hwfn, + cdev->regview, cdev->doorbells, personality); if (rc) return rc; - personality = cdev->hwfns[0].hw_info.personality; + personality = p_hwfn->hw_info.personality; /* Initialize the rest of the hwfns */ - for (i = 1; i < cdev->num_hwfns; i++) { + if (cdev->num_hwfns > 1) { void __iomem *p_regview, *p_doorbell; + u8 __iomem *addr; + + /* adjust bar offset for second engine */ + addr = cdev->regview + qed_hw_bar_size(p_hwfn, 0) / 2; + p_regview = addr; - p_regview = cdev->regview + - i * qed_hw_bar_size(cdev, 0); - p_doorbell = cdev->doorbells + - i * qed_hw_bar_size(cdev, 1); - rc = qed_hw_prepare_single(&cdev->hwfns[i], p_regview, + /* adjust doorbell bar offset for second engine */ + addr = cdev->doorbells + qed_hw_bar_size(p_hwfn, 1) / 2; + p_doorbell = addr; + + /* prepare second hw function */ + rc = qed_hw_prepare_single(&cdev->hwfns[1], p_regview, p_doorbell, personality); + + /* in case of error, need to free the previously + * initiliazed hwfn 0. + */ if (rc) { - /* Cleanup previously initialized hwfns */ - while (--i >= 0) { - qed_init_free(&cdev->hwfns[i]); - qed_mcp_free(&cdev->hwfns[i]); - qed_hw_hwfn_free(&cdev->hwfns[i]); - } - return rc; + qed_init_free(p_hwfn); + qed_mcp_free(p_hwfn); + qed_hw_hwfn_free(p_hwfn); } } - return 0; + return rc; } void qed_hw_remove(struct qed_dev *cdev) diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c b/drivers/net/ethernet/qlogic/qed/qed_int.c index de50e84..9cc9d62 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_int.c +++ b/drivers/net/ethernet/qlogic/qed/qed_int.c @@ -783,22 +783,16 @@ void qed_int_igu_enable_int(struct qed_hwfn *p_hwfn, qed_wr(p_hwfn, p_ptt, IGU_REG_PF_CONFIGURATION, igu_pf_conf); } -void qed_int_igu_enable(struct qed_hwfn *p_hwfn, - struct qed_ptt *p_ptt, - enum qed_int_mode int_mode) +int qed_int_igu_enable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, + enum qed_int_mode int_mode) { - int i; - - p_hwfn->b_int_enabled = 1; + int rc, i; /* Mask non-link attentions */ for (i = 0; i < 9; i++) qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_ENABLE1_IGU_OUT_0 + (i << 2), 0); - /* Enable interrupt Generation */ - qed_int_igu_enable_int(p_hwfn, p_ptt, int_mode); - /* Configure AEU signal change to produce attentions for link */ qed_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0xfff); qed_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0xfff); @@ -808,6 +802,19 @@ void qed_int_igu_enable(struct qed_hwfn *p_hwfn, /* Unmask AEU signals toward IGU */ qed_wr(p_hwfn, p_ptt, MISC_REG_AEU_MASK_ATTN_IGU, 0xff); + if ((int_mode != QED_INT_MODE_INTA) || IS_LEAD_HWFN(p_hwfn)) { + rc = qed_slowpath_irq_req(p_hwfn); + if (rc != 0) { + DP_NOTICE(p_hwfn, "Slowpath IRQ request failed\n"); + return -EINVAL; + } + p_hwfn->b_int_requested = true; + } + /* Enable interrupt Generation */ + qed_int_igu_enable_int(p_hwfn, p_ptt, int_mode); + p_hwfn->b_int_enabled = 1; + + return rc; } void qed_int_igu_disable_int(struct qed_hwfn *p_hwfn, @@ -1127,3 +1134,11 @@ int qed_int_get_num_sbs(struct qed_hwfn *p_hwfn, return info->igu_sb_cnt; } + +void qed_int_disable_post_isr_release(struct qed_dev *cdev) +{ + int i; + + for_each_hwfn(cdev, i) + cdev->hwfns[i].b_int_requested = false; +} diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.h b/drivers/net/ethernet/qlogic/qed/qed_int.h index 16b5751..51e0b09 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_int.h +++ b/drivers/net/ethernet/qlogic/qed/qed_int.h @@ -169,10 +169,14 @@ int qed_int_get_num_sbs(struct qed_hwfn *p_hwfn, int *p_iov_blks); /** - * @file + * @brief qed_int_disable_post_isr_release - performs the cleanup post ISR + * release. The API need to be called after releasing all slowpath IRQs + * of the device. + * + * @param cdev * - * @brief Interrupt handler */ +void qed_int_disable_post_isr_release(struct qed_dev *cdev); #define QED_CAU_DEF_RX_TIMER_RES 0 #define QED_CAU_DEF_TX_TIMER_RES 0 @@ -366,10 +370,11 @@ void qed_int_setup(struct qed_hwfn *p_hwfn, * @param p_hwfn * @param p_ptt * @param int_mode + * + * @return int */ -void qed_int_igu_enable(struct qed_hwfn *p_hwfn, - struct qed_ptt *p_ptt, - enum qed_int_mode int_mode); +int qed_int_igu_enable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, + enum qed_int_mode int_mode); /** * @brief - Initialize CAU status block entry diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 947c7af..174f734 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -476,41 +476,22 @@ static irqreturn_t qed_single_int(int irq, void *dev_instance) return rc; } -static int qed_slowpath_irq_req(struct qed_dev *cdev) +int qed_slowpath_irq_req(struct qed_hwfn *hwfn) { - int i = 0, rc = 0; + struct qed_dev *cdev = hwfn->cdev; + int rc = 0; + u8 id; if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) { - /* Request all the slowpath MSI-X vectors */ - for (i = 0; i < cdev->num_hwfns; i++) { - snprintf(cdev->hwfns[i].name, NAME_SIZE, - "sp-%d-%02x:%02x.%02x", - i, cdev->pdev->bus->number, - PCI_SLOT(cdev->pdev->devfn), - cdev->hwfns[i].abs_pf_id); - - rc = request_irq(cdev->int_params.msix_table[i].vector, - qed_msix_sp_int, 0, - cdev->hwfns[i].name, - cdev->hwfns[i].sp_dpc); - if (rc) - break; - - DP_VERBOSE(&cdev->hwfns[i], - (NETIF_MSG_INTR | QED_MSG_SP), + id = hwfn->my_id; + snprintf(hwfn->name, NAME_SIZE, "sp-%d-%02x:%02x.%02x", + id, cdev->pdev->bus->number, + PCI_SLOT(cdev->pdev->devfn), hwfn->abs_pf_id); + rc = request_irq(cdev->int_params.msix_table[id].vector, + qed_msix_sp_int, 0, hwfn->name, hwfn->sp_dpc); + if (!rc) + DP_VERBOSE(hwfn, (NETIF_MSG_INTR | QED_MSG_SP), "Requested slowpath MSI-X\n"); - } - - if (i != cdev->num_hwfns) { - /* Free already request MSI-X vectors */ - for (i--; i >= 0; i--) { - unsigned int vec = - cdev->int_params.msix_table[i].vector; - synchronize_irq(vec); - free_irq(cdev->int_params.msix_table[i].vector, - cdev->hwfns[i].sp_dpc); - } - } } else { unsigned long flags = 0; @@ -534,13 +515,17 @@ static void qed_slowpath_irq_free(struct qed_dev *cdev) if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) { for_each_hwfn(cdev, i) { + if (!cdev->hwfns[i].b_int_requested) + break; synchronize_irq(cdev->int_params.msix_table[i].vector); free_irq(cdev->int_params.msix_table[i].vector, cdev->hwfns[i].sp_dpc); } } else { - free_irq(cdev->pdev->irq, cdev); + if (QED_LEADING_HWFN(cdev)->b_int_requested) + free_irq(cdev->pdev->irq, cdev); } + qed_int_disable_post_isr_release(cdev); } static int qed_nic_stop(struct qed_dev *cdev) @@ -765,16 +750,11 @@ static int qed_slowpath_start(struct qed_dev *cdev, if (rc) goto err1; - /* Request the slowpath IRQ */ - rc = qed_slowpath_irq_req(cdev); - if (rc) - goto err2; - /* Allocate stream for unzipping */ rc = qed_alloc_stream_mem(cdev); if (rc) { DP_NOTICE(cdev, "Failed to allocate stream memory\n"); - goto err3; + goto err2; } /* Start the slowpath */ diff --git a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h index 7a5ce59..e8df123 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h +++ b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h @@ -363,4 +363,8 @@ 0x7 << 0) #define MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT \ 0 +#define PGLUE_B_REG_PF_BAR0_SIZE \ + 0x2aae60UL +#define PGLUE_B_REG_PF_BAR1_SIZE \ + 0x2aae64UL #endif diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h b/drivers/net/ethernet/qlogic/qed/qed_sp.h index 31a1f1e..287fadf 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sp.h +++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h @@ -124,8 +124,12 @@ struct qed_spq { dma_addr_t p_phys; struct qed_spq_entry *p_virt; - /* Used as index for completions (returns on EQ by FW) */ - u16 echo_idx; +#define SPQ_RING_SIZE \ + (CORE_SPQE_PAGE_SIZE_BYTES / sizeof(struct slow_path_element)) + + /* Bitmap for handling out-of-order completions */ + DECLARE_BITMAP(p_comp_bitmap, SPQ_RING_SIZE); + u8 comp_bitmap_idx; /* Statistics */ u32 unlimited_pending_count; diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c index 7c0b845..3dd548a 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_spq.c +++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c @@ -112,8 +112,6 @@ static int qed_spq_fill_entry(struct qed_hwfn *p_hwfn, struct qed_spq_entry *p_ent) { - p_ent->elem.hdr.echo = 0; - p_hwfn->p_spq->echo_idx++; p_ent->flags = 0; switch (p_ent->comp_mode) { @@ -195,10 +193,12 @@ static int qed_spq_hw_post(struct qed_hwfn *p_hwfn, struct qed_spq *p_spq, struct qed_spq_entry *p_ent) { - struct qed_chain *p_chain = &p_hwfn->p_spq->chain; + struct qed_chain *p_chain = &p_hwfn->p_spq->chain; + u16 echo = qed_chain_get_prod_idx(p_chain); struct slow_path_element *elem; struct core_db_data db; + p_ent->elem.hdr.echo = cpu_to_le16(echo); elem = qed_chain_produce(p_chain); if (!elem) { DP_NOTICE(p_hwfn, "Failed to produce from SPQ chain\n"); @@ -437,7 +437,9 @@ void qed_spq_setup(struct qed_hwfn *p_hwfn) p_spq->comp_count = 0; p_spq->comp_sent_count = 0; p_spq->unlimited_pending_count = 0; - p_spq->echo_idx = 0; + + bitmap_zero(p_spq->p_comp_bitmap, SPQ_RING_SIZE); + p_spq->comp_bitmap_idx = 0; /* SPQ cid, cannot fail */ qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_CORE, &p_spq->cid); @@ -582,26 +584,32 @@ qed_spq_add_entry(struct qed_hwfn *p_hwfn, struct qed_spq *p_spq = p_hwfn->p_spq; if (p_ent->queue == &p_spq->unlimited_pending) { - struct qed_spq_entry *p_en2; if (list_empty(&p_spq->free_pool)) { list_add_tail(&p_ent->list, &p_spq->unlimited_pending); p_spq->unlimited_pending_count++; return 0; - } + } else { + struct qed_spq_entry *p_en2; - p_en2 = list_first_entry(&p_spq->free_pool, - struct qed_spq_entry, - list); - list_del(&p_en2->list); + p_en2 = list_first_entry(&p_spq->free_pool, + struct qed_spq_entry, + list); + list_del(&p_en2->list); + + /* Copy the ring element physical pointer to the new + * entry, since we are about to override the entire ring + * entry and don't want to lose the pointer. + */ + p_ent->elem.data_ptr = p_en2->elem.data_ptr; - /* Strcut assignment */ - *p_en2 = *p_ent; + *p_en2 = *p_ent; - kfree(p_ent); + kfree(p_ent); - p_ent = p_en2; + p_ent = p_en2; + } } /* entry is to be placed in 'pending' queue */ @@ -777,13 +785,38 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn, list_for_each_entry_safe(p_ent, tmp, &p_spq->completion_pending, list) { if (p_ent->elem.hdr.echo == echo) { + u16 pos = le16_to_cpu(echo) % SPQ_RING_SIZE; + list_del(&p_ent->list); - qed_chain_return_produced(&p_spq->chain); + /* Avoid overriding of SPQ entries when getting + * out-of-order completions, by marking the completions + * in a bitmap and increasing the chain consumer only + * for the first successive completed entries. + */ + bitmap_set(p_spq->p_comp_bitmap, pos, SPQ_RING_SIZE); + + while (test_bit(p_spq->comp_bitmap_idx, + p_spq->p_comp_bitmap)) { + bitmap_clear(p_spq->p_comp_bitmap, + p_spq->comp_bitmap_idx, + SPQ_RING_SIZE); + p_spq->comp_bitmap_idx++; + qed_chain_return_produced(&p_spq->chain); + } + p_spq->comp_count++; found = p_ent; break; } + + /* This is relatively uncommon - depends on scenarios + * which have mutliple per-PF sent ramrods. + */ + DP_VERBOSE(p_hwfn, QED_MSG_SPQ, + "Got completion for echo %04x - doesn't match echo %04x in completion pending list\n", + le16_to_cpu(echo), + le16_to_cpu(p_ent->elem.hdr.echo)); } /* Release lock before callback, as callback may post diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c index be7d7a6..3490675 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c @@ -246,12 +246,13 @@ int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter) u32 state; state = QLCRDX(ahw, QLC_83XX_VNIC_STATE); - while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit--) { + while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit) { + idc->vnic_wait_limit--; msleep(1000); state = QLCRDX(ahw, QLC_83XX_VNIC_STATE); } - if (!idc->vnic_wait_limit) { + if (state != QLCNIC_DEV_NPAR_OPER) { dev_err(&adapter->pdev->dev, "vNIC mode not operational, state check timed out.\n"); return -EIO; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c index a5f422f..daf0515 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c @@ -772,8 +772,10 @@ int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type) int i, err = 0; for (i = 0; i < ahw->num_msix; i++) { - qlcnic_alloc_mbx_args(&cmd, adapter, - QLCNIC_CMD_MQ_TX_CONFIG_INTR); + err = qlcnic_alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_MQ_TX_CONFIG_INTR); + if (err) + return err; type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL; val = type | (ahw->intr_tbl[i].type << 4); if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX) diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 02b7115..9979764 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -4211,8 +4211,9 @@ static int ql_change_rx_buffers(struct ql_adapter *qdev) /* Wait for an outstanding reset to complete. */ if (!test_bit(QL_ADAPTER_UP, &qdev->flags)) { - int i = 3; - while (i-- && !test_bit(QL_ADAPTER_UP, &qdev->flags)) { + int i = 4; + + while (--i && !test_bit(QL_ADAPTER_UP, &qdev->flags)) { netif_err(qdev, ifup, qdev->ndev, "Waiting for adapter UP...\n"); ssleep(1); diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index ddb2c6c..689a4a5 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -736,9 +736,8 @@ qcaspi_netdev_tx_timeout(struct net_device *dev) netdev_info(qca->net_dev, "Transmit timeout at %ld, latency %ld\n", jiffies, jiffies - dev->trans_start); qca->net_dev->stats.tx_errors++; - /* wake the queue if there is room */ - if (qcaspi_tx_ring_has_space(&qca->txr)) - netif_wake_queue(dev); + /* Trigger tx queue flush and QCA7000 reset */ + qca->sync = QCASPI_SYNC_UNKNOWN; } static int diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index ed5da4d..467d416 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -905,6 +905,9 @@ static int ravb_phy_init(struct net_device *ndev) netdev_info(ndev, "limited PHY to 100Mbit/s\n"); } + /* 10BASE is not supported */ + phydev->supported &= ~PHY_10BT_FEATURES; + netdev_info(ndev, "attached PHY %d (IRQ %d) to driver %s\n", phydev->addr, phydev->irq, phydev->drv->name); @@ -1037,7 +1040,7 @@ static const char ravb_gstrings_stats[][ETH_GSTRING_LEN] = { "rx_queue_1_mcast_packets", "rx_queue_1_errors", "rx_queue_1_crc_errors", - "rx_queue_1_frame_errors_", + "rx_queue_1_frame_errors", "rx_queue_1_length_errors", "rx_queue_1_missed_errors", "rx_queue_1_over_errors", diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index e7bab79..6a8fc0f 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -52,6 +52,8 @@ NETIF_MSG_RX_ERR| \ NETIF_MSG_TX_ERR) +#define SH_ETH_OFFSET_INVALID ((u16)~0) + #define SH_ETH_OFFSET_DEFAULTS \ [0 ... SH_ETH_MAX_REGISTER_OFFSET - 1] = SH_ETH_OFFSET_INVALID @@ -404,6 +406,28 @@ static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = { static void sh_eth_rcv_snd_disable(struct net_device *ndev); static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev); +static void sh_eth_write(struct net_device *ndev, u32 data, int enum_index) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + u16 offset = mdp->reg_offset[enum_index]; + + if (WARN_ON(offset == SH_ETH_OFFSET_INVALID)) + return; + + iowrite32(data, mdp->addr + offset); +} + +static u32 sh_eth_read(struct net_device *ndev, int enum_index) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + u16 offset = mdp->reg_offset[enum_index]; + + if (WARN_ON(offset == SH_ETH_OFFSET_INVALID)) + return ~0U; + + return ioread32(mdp->addr + offset); +} + static bool sh_eth_is_gether(struct sh_eth_private *mdp) { return mdp->reg_offset == sh_eth_offset_gigabit; @@ -1143,6 +1167,7 @@ static void sh_eth_ring_format(struct net_device *ndev) int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring; int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1; dma_addr_t dma_addr; + u32 buf_len; mdp->cur_rx = 0; mdp->cur_tx = 0; @@ -1163,16 +1188,16 @@ static void sh_eth_ring_format(struct net_device *ndev) /* RX descriptor */ rxdesc = &mdp->rx_ring[i]; /* The size of the buffer is a multiple of 32 bytes. */ - rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32); - dma_addr = dma_map_single(&ndev->dev, skb->data, - rxdesc->buffer_length, + buf_len = ALIGN(mdp->rx_buf_sz, 32); + rxdesc->len = cpu_to_edmac(mdp, buf_len << 16); + dma_addr = dma_map_single(&ndev->dev, skb->data, buf_len, DMA_FROM_DEVICE); if (dma_mapping_error(&ndev->dev, dma_addr)) { kfree_skb(skb); break; } mdp->rx_skbuff[i] = skb; - rxdesc->addr = dma_addr; + rxdesc->addr = cpu_to_edmac(mdp, dma_addr); rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP); /* Rx descriptor address set */ @@ -1196,7 +1221,7 @@ static void sh_eth_ring_format(struct net_device *ndev) mdp->tx_skbuff[i] = NULL; txdesc = &mdp->tx_ring[i]; txdesc->status = cpu_to_edmac(mdp, TD_TFP); - txdesc->buffer_length = 0; + txdesc->len = cpu_to_edmac(mdp, 0); if (i == 0) { /* Tx descriptor address set */ sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR); @@ -1403,8 +1428,10 @@ static int sh_eth_txfree(struct net_device *ndev) entry, edmac_to_cpu(mdp, txdesc->status)); /* Free the original skb. */ if (mdp->tx_skbuff[entry]) { - dma_unmap_single(&ndev->dev, txdesc->addr, - txdesc->buffer_length, DMA_TO_DEVICE); + dma_unmap_single(&ndev->dev, + edmac_to_cpu(mdp, txdesc->addr), + edmac_to_cpu(mdp, txdesc->len) >> 16, + DMA_TO_DEVICE); dev_kfree_skb_irq(mdp->tx_skbuff[entry]); mdp->tx_skbuff[entry] = NULL; free_num++; @@ -1414,7 +1441,7 @@ static int sh_eth_txfree(struct net_device *ndev) txdesc->status |= cpu_to_edmac(mdp, TD_TDLE); ndev->stats.tx_packets++; - ndev->stats.tx_bytes += txdesc->buffer_length; + ndev->stats.tx_bytes += edmac_to_cpu(mdp, txdesc->len) >> 16; } return free_num; } @@ -1433,6 +1460,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) u32 desc_status; int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1; dma_addr_t dma_addr; + u32 buf_len; boguscnt = min(boguscnt, *quota); limit = boguscnt; @@ -1441,7 +1469,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) /* RACT bit must be checked before all the following reads */ dma_rmb(); desc_status = edmac_to_cpu(mdp, rxdesc->status); - pkt_len = rxdesc->frame_length; + pkt_len = edmac_to_cpu(mdp, rxdesc->len) & RD_RFL; if (--boguscnt < 0) break; @@ -1462,6 +1490,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) if (mdp->cd->shift_rd0) desc_status >>= 16; + skb = mdp->rx_skbuff[entry]; if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 | RD_RFS5 | RD_RFS6 | RD_RFS10)) { ndev->stats.rx_errors++; @@ -1477,16 +1506,16 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) ndev->stats.rx_missed_errors++; if (desc_status & RD_RFS10) ndev->stats.rx_over_errors++; - } else { + } else if (skb) { + dma_addr = edmac_to_cpu(mdp, rxdesc->addr); if (!mdp->cd->hw_swap) sh_eth_soft_swap( - phys_to_virt(ALIGN(rxdesc->addr, 4)), + phys_to_virt(ALIGN(dma_addr, 4)), pkt_len + 2); - skb = mdp->rx_skbuff[entry]; mdp->rx_skbuff[entry] = NULL; if (mdp->cd->rpadir) skb_reserve(skb, NET_IP_ALIGN); - dma_unmap_single(&ndev->dev, rxdesc->addr, + dma_unmap_single(&ndev->dev, dma_addr, ALIGN(mdp->rx_buf_sz, 32), DMA_FROM_DEVICE); skb_put(skb, pkt_len); @@ -1506,7 +1535,8 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) entry = mdp->dirty_rx % mdp->num_rx_ring; rxdesc = &mdp->rx_ring[entry]; /* The size of the buffer is 32 byte boundary. */ - rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32); + buf_len = ALIGN(mdp->rx_buf_sz, 32); + rxdesc->len = cpu_to_edmac(mdp, buf_len << 16); if (mdp->rx_skbuff[entry] == NULL) { skb = netdev_alloc_skb(ndev, skbuff_size); @@ -1514,8 +1544,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) break; /* Better luck next round. */ sh_eth_set_receive_align(skb); dma_addr = dma_map_single(&ndev->dev, skb->data, - rxdesc->buffer_length, - DMA_FROM_DEVICE); + buf_len, DMA_FROM_DEVICE); if (dma_mapping_error(&ndev->dev, dma_addr)) { kfree_skb(skb); break; @@ -1523,7 +1552,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) mdp->rx_skbuff[entry] = skb; skb_checksum_none_assert(skb); - rxdesc->addr = dma_addr; + rxdesc->addr = cpu_to_edmac(mdp, dma_addr); } dma_wmb(); /* RACT bit must be set after all the above writes */ if (entry >= mdp->num_rx_ring - 1) @@ -2331,8 +2360,8 @@ static void sh_eth_tx_timeout(struct net_device *ndev) /* Free all the skbuffs in the Rx queue. */ for (i = 0; i < mdp->num_rx_ring; i++) { rxdesc = &mdp->rx_ring[i]; - rxdesc->status = 0; - rxdesc->addr = 0xBADF00D0; + rxdesc->status = cpu_to_edmac(mdp, 0); + rxdesc->addr = cpu_to_edmac(mdp, 0xBADF00D0); dev_kfree_skb(mdp->rx_skbuff[i]); mdp->rx_skbuff[i] = NULL; } @@ -2350,6 +2379,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) { struct sh_eth_private *mdp = netdev_priv(ndev); struct sh_eth_txdesc *txdesc; + dma_addr_t dma_addr; u32 entry; unsigned long flags; @@ -2372,15 +2402,15 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) txdesc = &mdp->tx_ring[entry]; /* soft swap. */ if (!mdp->cd->hw_swap) - sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)), - skb->len + 2); - txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len, - DMA_TO_DEVICE); - if (dma_mapping_error(&ndev->dev, txdesc->addr)) { + sh_eth_soft_swap(PTR_ALIGN(skb->data, 4), skb->len + 2); + dma_addr = dma_map_single(&ndev->dev, skb->data, skb->len, + DMA_TO_DEVICE); + if (dma_mapping_error(&ndev->dev, dma_addr)) { kfree_skb(skb); return NETDEV_TX_OK; } - txdesc->buffer_length = skb->len; + txdesc->addr = cpu_to_edmac(mdp, dma_addr); + txdesc->len = cpu_to_edmac(mdp, skb->len << 16); dma_wmb(); /* TACT bit must be set after all the above writes */ if (entry >= mdp->num_tx_ring - 1) diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index 50382b1..72fcfc9 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -283,7 +283,7 @@ enum DMAC_IM_BIT { DMAC_M_RINT1 = 0x00000001, }; -/* Receive descriptor bit */ +/* Receive descriptor 0 bits */ enum RD_STS_BIT { RD_RACT = 0x80000000, RD_RDLE = 0x40000000, RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000, @@ -298,6 +298,12 @@ enum RD_STS_BIT { #define RDFEND RD_RFP0 #define RD_RFP (RD_RFP1|RD_RFP0) +/* Receive descriptor 1 bits */ +enum RD_LEN_BIT { + RD_RFL = 0x0000ffff, /* receive frame length */ + RD_RBL = 0xffff0000, /* receive buffer length */ +}; + /* FCFTR */ enum FCFTR_BIT { FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000, @@ -307,7 +313,7 @@ enum FCFTR_BIT { #define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0) #define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0) -/* Transmit descriptor bit */ +/* Transmit descriptor 0 bits */ enum TD_STS_BIT { TD_TACT = 0x80000000, TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000, TD_TFP0 = 0x10000000, @@ -317,6 +323,11 @@ enum TD_STS_BIT { #define TDFEND TD_TFP0 #define TD_TFP (TD_TFP1|TD_TFP0) +/* Transmit descriptor 1 bits */ +enum TD_LEN_BIT { + TD_TBL = 0xffff0000, /* transmit buffer length */ +}; + /* RMCR */ enum RMCR_BIT { RMCR_RNC = 0x00000001, @@ -425,15 +436,9 @@ enum TSU_FWSLC_BIT { */ struct sh_eth_txdesc { u32 status; /* TD0 */ -#if defined(__LITTLE_ENDIAN) - u16 pad0; /* TD1 */ - u16 buffer_length; /* TD1 */ -#else - u16 buffer_length; /* TD1 */ - u16 pad0; /* TD1 */ -#endif + u32 len; /* TD1 */ u32 addr; /* TD2 */ - u32 pad1; /* padding data */ + u32 pad0; /* padding data */ } __aligned(2) __packed; /* The sh ether Rx buffer descriptors. @@ -441,13 +446,7 @@ struct sh_eth_txdesc { */ struct sh_eth_rxdesc { u32 status; /* RD0 */ -#if defined(__LITTLE_ENDIAN) - u16 frame_length; /* RD1 */ - u16 buffer_length; /* RD1 */ -#else - u16 buffer_length; /* RD1 */ - u16 frame_length; /* RD1 */ -#endif + u32 len; /* RD1 */ u32 addr; /* RD2 */ u32 pad0; /* padding data */ } __aligned(2) __packed; @@ -546,31 +545,6 @@ static inline void sh_eth_soft_swap(char *src, int len) #endif } -#define SH_ETH_OFFSET_INVALID ((u16) ~0) - -static inline void sh_eth_write(struct net_device *ndev, u32 data, - int enum_index) -{ - struct sh_eth_private *mdp = netdev_priv(ndev); - u16 offset = mdp->reg_offset[enum_index]; - - if (WARN_ON(offset == SH_ETH_OFFSET_INVALID)) - return; - - iowrite32(data, mdp->addr + offset); -} - -static inline u32 sh_eth_read(struct net_device *ndev, int enum_index) -{ - struct sh_eth_private *mdp = netdev_priv(ndev); - u16 offset = mdp->reg_offset[enum_index]; - - if (WARN_ON(offset == SH_ETH_OFFSET_INVALID)) - return ~0U; - - return ioread32(mdp->addr + offset); -} - static inline void *sh_eth_tsu_get_offset(struct sh_eth_private *mdp, int enum_index) { diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index bc6d21b..e6a084a 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -3299,7 +3299,8 @@ static int efx_ef10_filter_remove_internal(struct efx_nic *efx, new_spec.priority = EFX_FILTER_PRI_AUTO; new_spec.flags = (EFX_FILTER_FLAG_RX | - EFX_FILTER_FLAG_RX_RSS); + (efx_rss_enabled(efx) ? + EFX_FILTER_FLAG_RX_RSS : 0)); new_spec.dmaq_id = 0; new_spec.rss_context = EFX_FILTER_RSS_CONTEXT_DEFAULT; rc = efx_ef10_filter_push(efx, &new_spec, @@ -3921,6 +3922,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, { struct efx_ef10_filter_table *table = efx->filter_state; struct efx_ef10_dev_addr *addr_list; + enum efx_filter_flags filter_flags; struct efx_filter_spec spec; u8 baddr[ETH_ALEN]; unsigned int i, j; @@ -3935,11 +3937,11 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, addr_count = table->dev_uc_count; } + filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0; + /* Insert/renew filters */ for (i = 0; i < addr_count; i++) { - efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, - EFX_FILTER_FLAG_RX_RSS, - 0); + efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC, addr_list[i].addr); rc = efx_ef10_filter_insert(efx, &spec, true); @@ -3968,9 +3970,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, if (multicast && rollback) { /* Also need an Ethernet broadcast filter */ - efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, - EFX_FILTER_FLAG_RX_RSS, - 0); + efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); eth_broadcast_addr(baddr); efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC, baddr); rc = efx_ef10_filter_insert(efx, &spec, true); @@ -4000,13 +4000,14 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx, bool multicast, { struct efx_ef10_filter_table *table = efx->filter_state; struct efx_ef10_nic_data *nic_data = efx->nic_data; + enum efx_filter_flags filter_flags; struct efx_filter_spec spec; u8 baddr[ETH_ALEN]; int rc; - efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, - EFX_FILTER_FLAG_RX_RSS, - 0); + filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0; + + efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); if (multicast) efx_filter_set_mc_def(&spec); @@ -4023,8 +4024,7 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx, bool multicast, if (!nic_data->workaround_26807) { /* Also need an Ethernet broadcast filter */ efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, - EFX_FILTER_FLAG_RX_RSS, - 0); + filter_flags, 0); eth_broadcast_addr(baddr); efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC, baddr); diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h index 1aaf76c..1082747 100644 --- a/drivers/net/ethernet/sfc/efx.h +++ b/drivers/net/ethernet/sfc/efx.h @@ -76,6 +76,11 @@ void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue); #define EFX_TXQ_MAX_ENT(efx) (EFX_WORKAROUND_35388(efx) ? \ EFX_MAX_DMAQ_SIZE / 2 : EFX_MAX_DMAQ_SIZE) +static inline bool efx_rss_enabled(struct efx_nic *efx) +{ + return efx->rss_spread > 1; +} + /* Filters */ void efx_mac_reconfigure(struct efx_nic *efx); diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index 5a1c5a8..133e9e3 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -2242,7 +2242,7 @@ efx_farch_filter_init_rx_auto(struct efx_nic *efx, */ spec->priority = EFX_FILTER_PRI_AUTO; spec->flags = (EFX_FILTER_FLAG_RX | - (efx->n_rx_channels > 1 ? EFX_FILTER_FLAG_RX_RSS : 0) | + (efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0) | (efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0)); spec->dmaq_id = 0; } diff --git a/drivers/net/ethernet/sfc/txc43128_phy.c b/drivers/net/ethernet/sfc/txc43128_phy.c index 3d5ee32..194f67d 100644 --- a/drivers/net/ethernet/sfc/txc43128_phy.c +++ b/drivers/net/ethernet/sfc/txc43128_phy.c @@ -418,7 +418,7 @@ static void txc_reset_logic_mmd(struct efx_nic *efx, int mmd) val |= (1 << TXC_GLCMD_LMTSWRST_LBN); efx_mdio_write(efx, mmd, TXC_GLRGS_GLCMD, val); - while (tries--) { + while (--tries) { val = efx_mdio_read(efx, mmd, TXC_GLRGS_GLCMD); if (!(val & (1 << TXC_GLCMD_LMTSWRST_LBN))) break; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c index 52b8ed9..adff463 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c @@ -153,7 +153,11 @@ static int sun7i_gmac_probe(struct platform_device *pdev) if (ret) return ret; - return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + if (ret) + sun7i_gmac_exit(pdev, plat_dat->bsp_priv); + + return ret; } static const struct of_device_id sun7i_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 3c6549a..a5b869e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3046,8 +3046,6 @@ int stmmac_suspend(struct net_device *ndev) priv->hw->dma->stop_tx(priv->ioaddr); priv->hw->dma->stop_rx(priv->ioaddr); - stmmac_clear_descriptors(priv); - /* Enable Power down mode by programming the PMT regs */ if (device_may_wakeup(priv->device)) { priv->hw->mac->pmt(priv->hw, priv->wolopts); @@ -3105,7 +3103,12 @@ int stmmac_resume(struct net_device *ndev) netif_device_attach(ndev); - init_dma_desc_rings(ndev, GFP_ATOMIC); + priv->cur_rx = 0; + priv->dirty_rx = 0; + priv->dirty_tx = 0; + priv->cur_tx = 0; + stmmac_clear_descriptors(priv); + stmmac_hw_setup(ndev, false); stmmac_init_tx_coalesce(priv); stmmac_set_rx_mode(ndev); diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 48b92c9..fc95806 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2026,45 +2026,54 @@ static int cpsw_probe_dt(struct cpsw_priv *priv, for_each_child_of_node(node, slave_node) { struct cpsw_slave_data *slave_data = data->slave_data + i; const void *mac_addr = NULL; - u32 phyid; int lenp; const __be32 *parp; - struct device_node *mdio_node; - struct platform_device *mdio; /* This is no slave child node, continue */ if (strcmp(slave_node->name, "slave")) continue; priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0); + parp = of_get_property(slave_node, "phy_id", &lenp); if (of_phy_is_fixed_link(slave_node)) { - struct phy_device *pd; + struct device_node *phy_node; + struct phy_device *phy_dev; + /* In the case of a fixed PHY, the DT node associated + * to the PHY is the Ethernet MAC DT node. + */ ret = of_phy_register_fixed_link(slave_node); if (ret) return ret; - pd = of_phy_find_device(slave_node); - if (!pd) + phy_node = of_node_get(slave_node); + phy_dev = of_phy_find_device(phy_node); + if (!phy_dev) return -ENODEV; snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, pd->bus->id, pd->phy_id); - goto no_phy_slave; - } - parp = of_get_property(slave_node, "phy_id", &lenp); - if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) { - dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i); + PHY_ID_FMT, phy_dev->bus->id, phy_dev->addr); + } else if (parp) { + u32 phyid; + struct device_node *mdio_node; + struct platform_device *mdio; + + if (lenp != (sizeof(__be32) * 2)) { + dev_err(&pdev->dev, "Invalid slave[%d] phy_id property\n", i); + goto no_phy_slave; + } + mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); + phyid = be32_to_cpup(parp+1); + mdio = of_find_device_by_node(mdio_node); + of_node_put(mdio_node); + if (!mdio) { + dev_err(&pdev->dev, "Missing mdio platform device\n"); + return -EINVAL; + } + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, mdio->name, phyid); + } else { + dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i); goto no_phy_slave; } - mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); - phyid = be32_to_cpup(parp+1); - mdio = of_find_device_by_node(mdio_node); - of_node_put(mdio_node); - if (!mdio) { - dev_err(&pdev->dev, "Missing mdio platform device\n"); - return -EINVAL; - } - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, mdio->name, phyid); slave_data->phy_if = of_get_phy_mode(slave_node); if (slave_data->phy_if < 0) { dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n", @@ -2418,7 +2427,7 @@ static int cpsw_probe(struct platform_device *pdev) ndev->irq = platform_get_irq(pdev, 1); if (ndev->irq < 0) { dev_err(priv->dev, "error getting irq resource\n"); - ret = -ENOENT; + ret = ndev->irq; goto clean_ale_ret; } @@ -2439,8 +2448,10 @@ static int cpsw_probe(struct platform_device *pdev) /* RX IRQ */ irq = platform_get_irq(pdev, 1); - if (irq < 0) + if (irq < 0) { + ret = irq; goto clean_ale_ret; + } priv->irqs_table[0] = irq; ret = devm_request_irq(&pdev->dev, irq, cpsw_rx_interrupt, @@ -2452,8 +2463,10 @@ static int cpsw_probe(struct platform_device *pdev) /* TX IRQ */ irq = platform_get_irq(pdev, 2); - if (irq < 0) + if (irq < 0) { + ret = irq; goto clean_ale_ret; + } priv->irqs_table[1] = irq; ret = devm_request_irq(&pdev->dev, irq, cpsw_tx_interrupt, diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index de5c30c..58efdec 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -967,8 +967,6 @@ static netdev_tx_t geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, err = udp_tunnel6_xmit_skb(dst, gs6->sock->sk, skb, dev, &fl6.saddr, &fl6.daddr, prio, ttl, sport, geneve->dst_port, !udp_csum); - - iptunnel_xmit_stats(err, &dev->stats, dev->tstats); return NETDEV_TX_OK; tx_error: @@ -1157,7 +1155,7 @@ static int geneve_configure(struct net *net, struct net_device *dev, struct geneve_net *gn = net_generic(net, geneve_net_id); struct geneve_dev *t, *geneve = netdev_priv(dev); bool tun_collect_md, tun_on_same_port; - int err; + int err, encap_len; if (!remote) return -EINVAL; @@ -1189,6 +1187,14 @@ static int geneve_configure(struct net *net, struct net_device *dev, if (t) return -EBUSY; + /* make enough headroom for basic scenario */ + encap_len = GENEVE_BASE_HLEN + ETH_HLEN; + if (remote->sa.sa_family == AF_INET) + encap_len += sizeof(struct iphdr); + else + encap_len += sizeof(struct ipv6hdr); + dev->needed_headroom = encap_len + ETH_HLEN; + if (metadata) { if (tun_on_same_port) return -EPERM; diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 7c4a415..5a1e985 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -683,14 +683,20 @@ static void sixpack_close(struct tty_struct *tty) if (!atomic_dec_and_test(&sp->refcnt)) down(&sp->dead_sem); - unregister_netdev(sp->dev); + /* We must stop the queue to avoid potentially scribbling + * on the free buffers. The sp->dead_sem is not sufficient + * to protect us from sp->xbuff access. + */ + netif_stop_queue(sp->dev); - del_timer(&sp->tx_t); - del_timer(&sp->resync_t); + del_timer_sync(&sp->tx_t); + del_timer_sync(&sp->resync_t); /* Free all 6pack frame buffers. */ kfree(sp->rbuff); kfree(sp->xbuff); + + unregister_netdev(sp->dev); } /* Perform I/O control on an active 6pack channel. */ diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 216bfd3..85828f1 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -797,14 +797,19 @@ static void mkiss_close(struct tty_struct *tty) */ if (!atomic_dec_and_test(&ax->refcnt)) down(&ax->dead_sem); - - unregister_netdev(ax->dev); + /* + * Halt the transmit queue so that a new transmit cannot scribble + * on our buffers + */ + netif_stop_queue(ax->dev); /* Free all AX25 frame buffers. */ kfree(ax->rbuff); kfree(ax->xbuff); ax->tty = NULL; + + unregister_netdev(ax->dev); } /* Perform I/O control on an active ax25 channel. */ diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c index 908e8d4..7f8e766 100644 --- a/drivers/net/phy/mdio-mux.c +++ b/drivers/net/phy/mdio-mux.c @@ -149,9 +149,14 @@ int mdio_mux_init(struct device *dev, } cb->bus_number = v; cb->parent = pb; + cb->mii_bus = mdiobus_alloc(); + if (!cb->mii_bus) { + ret_val = -ENOMEM; + of_node_put(child_bus_node); + break; + } cb->mii_bus->priv = cb; - cb->mii_bus->irq = cb->phy_irq; cb->mii_bus->name = "mdio_mux"; snprintf(cb->mii_bus->id, MII_BUS_ID_SIZE, "%x.%x", diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index cf6312f..e13ad6c 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -339,9 +339,18 @@ static int ksz9021_config_init(struct phy_device *phydev) { const struct device *dev = &phydev->dev; const struct device_node *of_node = dev->of_node; + const struct device *dev_walker; - if (!of_node && dev->parent->of_node) - of_node = dev->parent->of_node; + /* The Micrel driver has a deprecated option to place phy OF + * properties in the MAC node. Walk up the tree of devices to + * find a device with an OF node. + */ + dev_walker = &phydev->dev; + do { + of_node = dev_walker->of_node; + dev_walker = dev_walker->parent; + + } while (!of_node && dev_walker); if (of_node) { ksz9021_load_values_from_of(phydev, of_node, diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 5e0b432..0a37f84 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -568,6 +568,9 @@ static int pppoe_create(struct net *net, struct socket *sock, int kern) sk->sk_family = PF_PPPOX; sk->sk_protocol = PX_PROTO_OE; + INIT_WORK(&pppox_sk(sk)->proto.pppoe.padt_work, + pppoe_unbind_sock_work); + return 0; } @@ -632,8 +635,6 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, lock_sock(sk); - INIT_WORK(&po->proto.pppoe.padt_work, pppoe_unbind_sock_work); - error = -EINVAL; if (sp->sa_protocol != PX_PROTO_OE) goto end; @@ -663,8 +664,13 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, po->pppoe_dev = NULL; } - memset(sk_pppox(po) + 1, 0, - sizeof(struct pppox_sock) - sizeof(struct sock)); + po->pppoe_ifindex = 0; + memset(&po->pppoe_pa, 0, sizeof(po->pppoe_pa)); + memset(&po->pppoe_relay, 0, sizeof(po->pppoe_relay)); + memset(&po->chan, 0, sizeof(po->chan)); + po->next = NULL; + po->num = 0; + sk->sk_state = PPPOX_NONE; } diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c index fc69e41..597c53e 100644 --- a/drivers/net/ppp/pptp.c +++ b/drivers/net/ppp/pptp.c @@ -419,6 +419,9 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr, struct pptp_opt *opt = &po->proto.pptp; int error = 0; + if (sockaddr_len < sizeof(struct sockaddr_pppox)) + return -EINVAL; + lock_sock(sk); opt->src_addr = sp->sa_addr.pptp; @@ -440,6 +443,9 @@ static int pptp_connect(struct socket *sock, struct sockaddr *uservaddr, struct flowi4 fl4; int error = 0; + if (sockaddr_len < sizeof(struct sockaddr_pppox)) + return -EINVAL; + if (sp->sa_protocol != PX_PROTO_PPTP) return -EINVAL; diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index bbde988..bdd83d9 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -100,7 +100,7 @@ static const struct net_device_ops cdc_mbim_netdev_ops = { .ndo_stop = usbnet_stop, .ndo_start_xmit = usbnet_start_xmit, .ndo_tx_timeout = usbnet_tx_timeout, - .ndo_change_mtu = usbnet_change_mtu, + .ndo_change_mtu = cdc_ncm_change_mtu, .ndo_set_mac_address = eth_mac_addr, .ndo_validate_addr = eth_validate_addr, .ndo_vlan_rx_add_vid = cdc_mbim_rx_add_vid, @@ -158,7 +158,7 @@ static int cdc_mbim_bind(struct usbnet *dev, struct usb_interface *intf) if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting)) goto err; - ret = cdc_ncm_bind_common(dev, intf, data_altsetting, 0); + ret = cdc_ncm_bind_common(dev, intf, data_altsetting, dev->driver_info->data); if (ret) goto err; @@ -582,6 +582,26 @@ static const struct driver_info cdc_mbim_info_zlp = { .tx_fixup = cdc_mbim_tx_fixup, }; +/* The spefication explicitly allows NDPs to be placed anywhere in the + * frame, but some devices fail unless the NDP is placed after the IP + * packets. Using the CDC_NCM_FLAG_NDP_TO_END flags to force this + * behaviour. + * + * Note: The current implementation of this feature restricts each NTB + * to a single NDP, implying that multiplexed sessions cannot share an + * NTB. This might affect performace for multiplexed sessions. + */ +static const struct driver_info cdc_mbim_info_ndp_to_end = { + .description = "CDC MBIM", + .flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN, + .bind = cdc_mbim_bind, + .unbind = cdc_mbim_unbind, + .manage_power = cdc_mbim_manage_power, + .rx_fixup = cdc_mbim_rx_fixup, + .tx_fixup = cdc_mbim_tx_fixup, + .data = CDC_NCM_FLAG_NDP_TO_END, +}; + static const struct usb_device_id mbim_devs[] = { /* This duplicate NCM entry is intentional. MBIM devices can * be disguised as NCM by default, and this is necessary to @@ -597,6 +617,10 @@ static const struct usb_device_id mbim_devs[] = { { USB_VENDOR_AND_INTERFACE_INFO(0x0bdb, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&cdc_mbim_info, }, + /* Huawei E3372 fails unless NDP comes after the IP packets */ + { USB_DEVICE_AND_INTERFACE_INFO(0x12d1, 0x157d, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&cdc_mbim_info_ndp_to_end, + }, /* default entry */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&cdc_mbim_info_zlp, diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 3b1ba82..e8a1144 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -41,6 +41,7 @@ #include <linux/module.h> #include <linux/netdevice.h> #include <linux/ctype.h> +#include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/workqueue.h> #include <linux/mii.h> @@ -689,6 +690,33 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx) kfree(ctx); } +/* we need to override the usbnet change_mtu ndo for two reasons: + * - respect the negotiated maximum datagram size + * - avoid unwanted changes to rx and tx buffers + */ +int cdc_ncm_change_mtu(struct net_device *net, int new_mtu) +{ + struct usbnet *dev = netdev_priv(net); + struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; + int maxmtu = ctx->max_datagram_size - cdc_ncm_eth_hlen(dev); + + if (new_mtu <= 0 || new_mtu > maxmtu) + return -EINVAL; + net->mtu = new_mtu; + return 0; +} +EXPORT_SYMBOL_GPL(cdc_ncm_change_mtu); + +static const struct net_device_ops cdc_ncm_netdev_ops = { + .ndo_open = usbnet_open, + .ndo_stop = usbnet_stop, + .ndo_start_xmit = usbnet_start_xmit, + .ndo_tx_timeout = usbnet_tx_timeout, + .ndo_change_mtu = cdc_ncm_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags) { struct cdc_ncm_ctx *ctx; @@ -823,6 +851,9 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ /* add our sysfs attrs */ dev->net->sysfs_groups[0] = &cdc_ncm_sysfs_attr_group; + /* must handle MTU changes */ + dev->net->netdev_ops = &cdc_ncm_netdev_ops; + return 0; error2: @@ -955,10 +986,18 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ * NTH16 header as we would normally do. NDP isn't written to the SKB yet, and * the wNdpIndex field in the header is actually not consistent with reality. It will be later. */ - if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) { if (ctx->delayed_ndp16->dwSignature == sign) return ctx->delayed_ndp16; + /* We can only push a single NDP to the end. Return + * NULL to send what we've already got and queue this + * skb for later. + */ + else if (ctx->delayed_ndp16->dwSignature) + return NULL; + } + /* follow the chain of NDPs, looking for a match */ while (ndpoffset) { ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb->data + ndpoffset); @@ -1550,6 +1589,24 @@ static const struct usb_device_id cdc_devs[] = { .driver_info = (unsigned long) &wwan_info, }, + /* DW5812 LTE Verizon Mobile Broadband Card + * Unlike DW5550 this device requires FLAG_NOARP + */ + { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bb, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&wwan_noarp_info, + }, + + /* DW5813 LTE AT&T Mobile Broadband Card + * Unlike DW5550 this device requires FLAG_NOARP + */ + { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bc, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&wwan_noarp_info, + }, + /* Dell branded MBM devices like DW5550 */ { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | USB_DEVICE_ID_MATCH_VENDOR, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 9a5be8b..5fccc5a 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -742,6 +742,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ + {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index d9427ca..2fb637a 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -3067,17 +3067,6 @@ static int rtl8152_open(struct net_device *netdev) mutex_lock(&tp->control); - /* The WORK_ENABLE may be set when autoresume occurs */ - if (test_bit(WORK_ENABLE, &tp->flags)) { - clear_bit(WORK_ENABLE, &tp->flags); - usb_kill_urb(tp->intr_urb); - cancel_delayed_work_sync(&tp->schedule); - - /* disable the tx/rx, if the workqueue has enabled them. */ - if (netif_carrier_ok(netdev)) - tp->rtl_ops.disable(tp); - } - tp->rtl_ops.up(tp); rtl8152_set_speed(tp, AUTONEG_ENABLE, @@ -3124,12 +3113,6 @@ static int rtl8152_close(struct net_device *netdev) } else { mutex_lock(&tp->control); - /* The autosuspend may have been enabled and wouldn't - * be disable when autoresume occurs, because the - * netif_running() would be false. - */ - rtl_runtime_suspend_enable(tp, false); - tp->rtl_ops.down(tp); mutex_unlock(&tp->control); @@ -3512,7 +3495,7 @@ static int rtl8152_resume(struct usb_interface *intf) netif_device_attach(tp->netdev); } - if (netif_running(tp->netdev)) { + if (netif_running(tp->netdev) && tp->netdev->flags & IFF_UP) { if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { rtl_runtime_suspend_enable(tp, false); clear_bit(SELECTIVE_SUSPEND, &tp->flags); @@ -3532,6 +3515,8 @@ static int rtl8152_resume(struct usb_interface *intf) } usb_submit_urb(tp->intr_urb, GFP_KERNEL); } else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { + if (tp->netdev->flags & IFF_UP) + rtl_runtime_suspend_enable(tp, false); clear_bit(SELECTIVE_SUSPEND, &tp->flags); } @@ -3540,6 +3525,14 @@ static int rtl8152_resume(struct usb_interface *intf) return 0; } +static int rtl8152_reset_resume(struct usb_interface *intf) +{ + struct r8152 *tp = usb_get_intfdata(intf); + + clear_bit(SELECTIVE_SUSPEND, &tp->flags); + return rtl8152_resume(intf); +} + static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct r8152 *tp = netdev_priv(dev); @@ -4291,7 +4284,7 @@ static struct usb_driver rtl8152_driver = { .disconnect = rtl8152_disconnect, .suspend = rtl8152_suspend, .resume = rtl8152_resume, - .reset_resume = rtl8152_resume, + .reset_resume = rtl8152_reset_resume, .pre_reset = rtl8152_pre_reset, .post_reset = rtl8152_post_reset, .supports_autosuspend = 1, diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 0ef4a5a..ba21d07 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -117,12 +117,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) kfree_skb(skb); goto drop; } - /* don't change ip_summed == CHECKSUM_PARTIAL, as that - * will cause bad checksum on forwarded packets - */ - if (skb->ip_summed == CHECKSUM_NONE && - rcv->features & NETIF_F_RXCSUM) - skb->ip_summed = CHECKSUM_UNNECESSARY; if (likely(dev_forward_skb(rcv, skb) == NET_RX_SUCCESS)) { struct pcpu_vstats *stats = this_cpu_ptr(dev->vstats); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index d8838ded..f94ab78 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -140,6 +140,12 @@ struct virtnet_info { /* CPU hot plug notifier */ struct notifier_block nb; + + /* Control VQ buffers: protected by the rtnl lock */ + struct virtio_net_ctrl_hdr ctrl_hdr; + virtio_net_ctrl_ack ctrl_status; + u8 ctrl_promisc; + u8 ctrl_allmulti; }; struct padded_vnet_hdr { @@ -976,31 +982,30 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, struct scatterlist *out) { struct scatterlist *sgs[4], hdr, stat; - struct virtio_net_ctrl_hdr ctrl; - virtio_net_ctrl_ack status = ~0; unsigned out_num = 0, tmp; /* Caller should know better */ BUG_ON(!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)); - ctrl.class = class; - ctrl.cmd = cmd; + vi->ctrl_status = ~0; + vi->ctrl_hdr.class = class; + vi->ctrl_hdr.cmd = cmd; /* Add header */ - sg_init_one(&hdr, &ctrl, sizeof(ctrl)); + sg_init_one(&hdr, &vi->ctrl_hdr, sizeof(vi->ctrl_hdr)); sgs[out_num++] = &hdr; if (out) sgs[out_num++] = out; /* Add return status. */ - sg_init_one(&stat, &status, sizeof(status)); + sg_init_one(&stat, &vi->ctrl_status, sizeof(vi->ctrl_status)); sgs[out_num] = &stat; BUG_ON(out_num + 1 > ARRAY_SIZE(sgs)); virtqueue_add_sgs(vi->cvq, sgs, out_num, 1, vi, GFP_ATOMIC); if (unlikely(!virtqueue_kick(vi->cvq))) - return status == VIRTIO_NET_OK; + return vi->ctrl_status == VIRTIO_NET_OK; /* Spin for a response, the kick causes an ioport write, trapping * into the hypervisor, so the request should be handled immediately. @@ -1009,7 +1014,7 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, !virtqueue_is_broken(vi->cvq)) cpu_relax(); - return status == VIRTIO_NET_OK; + return vi->ctrl_status == VIRTIO_NET_OK; } static int virtnet_set_mac_address(struct net_device *dev, void *p) @@ -1151,7 +1156,6 @@ static void virtnet_set_rx_mode(struct net_device *dev) { struct virtnet_info *vi = netdev_priv(dev); struct scatterlist sg[2]; - u8 promisc, allmulti; struct virtio_net_ctrl_mac *mac_data; struct netdev_hw_addr *ha; int uc_count; @@ -1163,22 +1167,22 @@ static void virtnet_set_rx_mode(struct net_device *dev) if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_RX)) return; - promisc = ((dev->flags & IFF_PROMISC) != 0); - allmulti = ((dev->flags & IFF_ALLMULTI) != 0); + vi->ctrl_promisc = ((dev->flags & IFF_PROMISC) != 0); + vi->ctrl_allmulti = ((dev->flags & IFF_ALLMULTI) != 0); - sg_init_one(sg, &promisc, sizeof(promisc)); + sg_init_one(sg, &vi->ctrl_promisc, sizeof(vi->ctrl_promisc)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX, VIRTIO_NET_CTRL_RX_PROMISC, sg)) dev_warn(&dev->dev, "Failed to %sable promisc mode.\n", - promisc ? "en" : "dis"); + vi->ctrl_promisc ? "en" : "dis"); - sg_init_one(sg, &allmulti, sizeof(allmulti)); + sg_init_one(sg, &vi->ctrl_allmulti, sizeof(vi->ctrl_allmulti)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX, VIRTIO_NET_CTRL_RX_ALLMULTI, sg)) dev_warn(&dev->dev, "Failed to %sable allmulti mode.\n", - allmulti ? "en" : "dis"); + vi->ctrl_allmulti ? "en" : "dis"); uc_count = netdev_uc_count(dev); mc_count = netdev_mc_count(dev); diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 4179037..0cbf520 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1380,10 +1380,10 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, skip_page_frags = true; goto rcd_done; } - new_dma_addr = dma_map_page(&adapter->pdev->dev - , rbi->page, - 0, PAGE_SIZE, - PCI_DMA_FROMDEVICE); + new_dma_addr = dma_map_page(&adapter->pdev->dev, + new_page, + 0, PAGE_SIZE, + PCI_DMA_FROMDEVICE); if (dma_mapping_error(&adapter->pdev->dev, new_dma_addr)) { put_page(new_page); diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 4c58c83..bdb8a6c 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -69,10 +69,10 @@ /* * Version numbers */ -#define VMXNET3_DRIVER_VERSION_STRING "1.4.4.0-k" +#define VMXNET3_DRIVER_VERSION_STRING "1.4.5.0-k" /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ -#define VMXNET3_DRIVER_VERSION_NUM 0x01040400 +#define VMXNET3_DRIVER_VERSION_NUM 0x01040500 #if defined(CONFIG_PCI_MSI) /* RSS only makes sense if MSI-X is supported. */ diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 4f97484..0a242b2 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -800,7 +800,7 @@ static struct rtable *vrf_get_rtable(const struct net_device *dev, } /* called under rcu_read_lock */ -static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4) +static int vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4) { struct fib_result res = { .tclassid = 0 }; struct net *net = dev_net(dev); @@ -808,9 +808,10 @@ static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4) u8 flags = fl4->flowi4_flags; u8 scope = fl4->flowi4_scope; u8 tos = RT_FL_TOS(fl4); + int rc; if (unlikely(!fl4->daddr)) - return; + return 0; fl4->flowi4_flags |= FLOWI_FLAG_SKIP_NH_OIF; fl4->flowi4_iif = LOOPBACK_IFINDEX; @@ -818,7 +819,8 @@ static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4) fl4->flowi4_scope = ((tos & RTO_ONLINK) ? RT_SCOPE_LINK : RT_SCOPE_UNIVERSE); - if (!fib_lookup(net, fl4, &res, 0)) { + rc = fib_lookup(net, fl4, &res, 0); + if (!rc) { if (res.type == RTN_LOCAL) fl4->saddr = res.fi->fib_prefsrc ? : fl4->daddr; else @@ -828,6 +830,8 @@ static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4) fl4->flowi4_flags = flags; fl4->flowi4_tos = orig_tos; fl4->flowi4_scope = scope; + + return rc; } #if IS_ENABLED(CONFIG_IPV6) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 6369a57..ba363ce 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1158,7 +1158,6 @@ static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb, struct pcpu_sw_netstats *stats; union vxlan_addr saddr; int err = 0; - union vxlan_addr *remote_ip; /* For flow based devices, map all packets to VNI 0 */ if (vs->flags & VXLAN_F_COLLECT_METADATA) @@ -1169,7 +1168,6 @@ static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb, if (!vxlan) goto drop; - remote_ip = &vxlan->default_dst.remote_ip; skb_reset_mac_header(skb); skb_scrub_packet(skb, !net_eq(vxlan->net, dev_net(vxlan->dev))); skb->protocol = eth_type_trans(skb, vxlan->dev); @@ -1179,8 +1177,8 @@ static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb, if (ether_addr_equal(eth_hdr(skb)->h_source, vxlan->dev->dev_addr)) goto drop; - /* Re-examine inner Ethernet packet */ - if (remote_ip->sa.sa_family == AF_INET) { + /* Get data from the outer IP header */ + if (vxlan_get_sk_family(vs) == AF_INET) { oip = ip_hdr(skb); saddr.sin.sin_addr.s_addr = oip->saddr; saddr.sa.sa_family = AF_INET; @@ -1848,6 +1846,34 @@ static int vxlan_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *sk !(vxflags & VXLAN_F_UDP_CSUM)); } +#if IS_ENABLED(CONFIG_IPV6) +static struct dst_entry *vxlan6_get_route(struct vxlan_dev *vxlan, + struct sk_buff *skb, int oif, + const struct in6_addr *daddr, + struct in6_addr *saddr) +{ + struct dst_entry *ndst; + struct flowi6 fl6; + int err; + + memset(&fl6, 0, sizeof(fl6)); + fl6.flowi6_oif = oif; + fl6.daddr = *daddr; + fl6.saddr = vxlan->cfg.saddr.sin6.sin6_addr; + fl6.flowi6_mark = skb->mark; + fl6.flowi6_proto = IPPROTO_UDP; + + err = ipv6_stub->ipv6_dst_lookup(vxlan->net, + vxlan->vn6_sock->sock->sk, + &ndst, &fl6); + if (err < 0) + return ERR_PTR(err); + + *saddr = fl6.saddr; + return ndst; +} +#endif + /* Bypass encapsulation if the destination is local */ static void vxlan_encap_bypass(struct sk_buff *skb, struct vxlan_dev *src_vxlan, struct vxlan_dev *dst_vxlan) @@ -2035,21 +2061,17 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, #if IS_ENABLED(CONFIG_IPV6) } else { struct dst_entry *ndst; - struct flowi6 fl6; + struct in6_addr saddr; u32 rt6i_flags; if (!vxlan->vn6_sock) goto drop; sk = vxlan->vn6_sock->sock->sk; - memset(&fl6, 0, sizeof(fl6)); - fl6.flowi6_oif = rdst ? rdst->remote_ifindex : 0; - fl6.daddr = dst->sin6.sin6_addr; - fl6.saddr = vxlan->cfg.saddr.sin6.sin6_addr; - fl6.flowi6_mark = skb->mark; - fl6.flowi6_proto = IPPROTO_UDP; - - if (ipv6_stub->ipv6_dst_lookup(vxlan->net, sk, &ndst, &fl6)) { + ndst = vxlan6_get_route(vxlan, skb, + rdst ? rdst->remote_ifindex : 0, + &dst->sin6.sin6_addr, &saddr); + if (IS_ERR(ndst)) { netdev_dbg(dev, "no route to %pI6\n", &dst->sin6.sin6_addr); dev->stats.tx_carrier_errors++; @@ -2081,7 +2103,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, } ttl = ttl ? : ip6_dst_hoplimit(ndst); - err = vxlan6_xmit_skb(ndst, sk, skb, dev, &fl6.saddr, &fl6.daddr, + err = vxlan6_xmit_skb(ndst, sk, skb, dev, &saddr, &dst->sin6.sin6_addr, 0, ttl, src_port, dst_port, htonl(vni << 8), md, !net_eq(vxlan->net, dev_net(vxlan->dev)), flags); @@ -2395,9 +2417,30 @@ static int vxlan_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) vxlan->cfg.port_max, true); dport = info->key.tp_dst ? : vxlan->cfg.dst_port; - if (ip_tunnel_info_af(info) == AF_INET) + if (ip_tunnel_info_af(info) == AF_INET) { + if (!vxlan->vn4_sock) + return -EINVAL; return egress_ipv4_tun_info(dev, skb, info, sport, dport); - return -EINVAL; + } else { +#if IS_ENABLED(CONFIG_IPV6) + struct dst_entry *ndst; + + if (!vxlan->vn6_sock) + return -EINVAL; + ndst = vxlan6_get_route(vxlan, skb, 0, + &info->key.u.ipv6.dst, + &info->key.u.ipv6.src); + if (IS_ERR(ndst)) + return PTR_ERR(ndst); + dst_release(ndst); + + info->key.tp_src = sport; + info->key.tp_dst = dport; +#else /* !CONFIG_IPV6 */ + return -EPFNOSUPPORT; +#endif + } + return 0; } static const struct net_device_ops vxlan_netdev_ops = { diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index bf88ec3..d9a4aee 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -69,13 +69,19 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL7260_UCODE_API_MAX 19 +#define IWL7260_UCODE_API_MAX 17 +#define IWL7265_UCODE_API_MAX 19 +#define IWL7265D_UCODE_API_MAX 19 /* Oldest version we won't warn about */ #define IWL7260_UCODE_API_OK 13 +#define IWL7265_UCODE_API_OK 13 +#define IWL7265D_UCODE_API_OK 13 /* Lowest firmware API version supported */ #define IWL7260_UCODE_API_MIN 13 +#define IWL7265_UCODE_API_MIN 13 +#define IWL7265D_UCODE_API_MIN 13 /* NVM versions */ #define IWL7260_NVM_VERSION 0x0a1d @@ -149,10 +155,7 @@ static const struct iwl_ht_params iwl7000_ht_params = { .ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ), }; -#define IWL_DEVICE_7000 \ - .ucode_api_max = IWL7260_UCODE_API_MAX, \ - .ucode_api_ok = IWL7260_UCODE_API_OK, \ - .ucode_api_min = IWL7260_UCODE_API_MIN, \ +#define IWL_DEVICE_7000_COMMON \ .device_family = IWL_DEVICE_FAMILY_7000, \ .max_inst_size = IWL60_RTC_INST_SIZE, \ .max_data_size = IWL60_RTC_DATA_SIZE, \ @@ -163,6 +166,24 @@ static const struct iwl_ht_params iwl7000_ht_params = { .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \ .dccm_offset = IWL7000_DCCM_OFFSET +#define IWL_DEVICE_7000 \ + IWL_DEVICE_7000_COMMON, \ + .ucode_api_max = IWL7260_UCODE_API_MAX, \ + .ucode_api_ok = IWL7260_UCODE_API_OK, \ + .ucode_api_min = IWL7260_UCODE_API_MIN + +#define IWL_DEVICE_7005 \ + IWL_DEVICE_7000_COMMON, \ + .ucode_api_max = IWL7265_UCODE_API_MAX, \ + .ucode_api_ok = IWL7265_UCODE_API_OK, \ + .ucode_api_min = IWL7265_UCODE_API_MIN + +#define IWL_DEVICE_7005D \ + IWL_DEVICE_7000_COMMON, \ + .ucode_api_max = IWL7265D_UCODE_API_MAX, \ + .ucode_api_ok = IWL7265D_UCODE_API_OK, \ + .ucode_api_min = IWL7265D_UCODE_API_MIN + const struct iwl_cfg iwl7260_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 7260", .fw_name_pre = IWL7260_FW_PRE, @@ -266,7 +287,7 @@ static const struct iwl_ht_params iwl7265_ht_params = { const struct iwl_cfg iwl3165_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 3165", .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005D, .ht_params = &iwl7000_ht_params, .nvm_ver = IWL3165_NVM_VERSION, .nvm_calib_ver = IWL3165_TX_POWER_VERSION, @@ -277,7 +298,7 @@ const struct iwl_cfg iwl3165_2ac_cfg = { const struct iwl_cfg iwl7265_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 7265", .fw_name_pre = IWL7265_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -288,7 +309,7 @@ const struct iwl_cfg iwl7265_2ac_cfg = { const struct iwl_cfg iwl7265_2n_cfg = { .name = "Intel(R) Dual Band Wireless N 7265", .fw_name_pre = IWL7265_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -299,7 +320,7 @@ const struct iwl_cfg iwl7265_2n_cfg = { const struct iwl_cfg iwl7265_n_cfg = { .name = "Intel(R) Wireless N 7265", .fw_name_pre = IWL7265_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -310,7 +331,7 @@ const struct iwl_cfg iwl7265_n_cfg = { const struct iwl_cfg iwl7265d_2ac_cfg = { .name = "Intel(R) Dual Band Wireless AC 7265", .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005D, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265D_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -321,7 +342,7 @@ const struct iwl_cfg iwl7265d_2ac_cfg = { const struct iwl_cfg iwl7265d_2n_cfg = { .name = "Intel(R) Dual Band Wireless N 7265", .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005D, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265D_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -332,7 +353,7 @@ const struct iwl_cfg iwl7265d_2n_cfg = { const struct iwl_cfg iwl7265d_n_cfg = { .name = "Intel(R) Wireless N 7265", .fw_name_pre = IWL7265D_FW_PRE, - IWL_DEVICE_7000, + IWL_DEVICE_7005D, .ht_params = &iwl7265_ht_params, .nvm_ver = IWL7265D_NVM_VERSION, .nvm_calib_ver = IWL7265_TX_POWER_VERSION, @@ -342,5 +363,5 @@ const struct iwl_cfg iwl7265d_n_cfg = { MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); -MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); -MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7260_UCODE_API_OK)); +MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7265_UCODE_API_OK)); +MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7265D_UCODE_API_OK)); diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 354acbd..2b976b1 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -1222,8 +1222,8 @@ static u8 iwl_mvm_get_key_sta_id(struct iwl_mvm *mvm, mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { u8 sta_id = mvmvif->ap_sta_id; - sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], - lockdep_is_held(&mvm->mutex)); + sta = rcu_dereference_check(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); /* * It is possible that the 'sta' parameter is NULL, * for example when a GTK is removed - the sta_id will then @@ -1590,14 +1590,15 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, u16 *phase1key) { struct iwl_mvm_sta *mvm_sta; - u8 sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); + u8 sta_id; bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); - if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT)) - return; - rcu_read_lock(); + sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); + if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT)) + goto unlock; + if (!sta) { sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); if (WARN_ON(IS_ERR_OR_NULL(sta))) { @@ -1609,6 +1610,8 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, mvm_sta = iwl_mvm_sta_from_mac80211(sta); iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, iv32, phase1key, CMD_ASYNC, keyconf->hw_key_idx); + + unlock: rcu_read_unlock(); } diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index e481f37..1049c34 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -258,18 +258,18 @@ static struct xenvif_rx_meta *get_next_rx_buffer(struct xenvif_queue *queue, struct netrx_pending_operations *npo) { struct xenvif_rx_meta *meta; - struct xen_netif_rx_request *req; + struct xen_netif_rx_request req; - req = RING_GET_REQUEST(&queue->rx, queue->rx.req_cons++); + RING_COPY_REQUEST(&queue->rx, queue->rx.req_cons++, &req); meta = npo->meta + npo->meta_prod++; meta->gso_type = XEN_NETIF_GSO_TYPE_NONE; meta->gso_size = 0; meta->size = 0; - meta->id = req->id; + meta->id = req.id; npo->copy_off = 0; - npo->copy_gref = req->gref; + npo->copy_gref = req.gref; return meta; } @@ -424,7 +424,7 @@ static int xenvif_gop_skb(struct sk_buff *skb, struct xenvif *vif = netdev_priv(skb->dev); int nr_frags = skb_shinfo(skb)->nr_frags; int i; - struct xen_netif_rx_request *req; + struct xen_netif_rx_request req; struct xenvif_rx_meta *meta; unsigned char *data; int head = 1; @@ -443,15 +443,15 @@ static int xenvif_gop_skb(struct sk_buff *skb, /* Set up a GSO prefix descriptor, if necessary */ if ((1 << gso_type) & vif->gso_prefix_mask) { - req = RING_GET_REQUEST(&queue->rx, queue->rx.req_cons++); + RING_COPY_REQUEST(&queue->rx, queue->rx.req_cons++, &req); meta = npo->meta + npo->meta_prod++; meta->gso_type = gso_type; meta->gso_size = skb_shinfo(skb)->gso_size; meta->size = 0; - meta->id = req->id; + meta->id = req.id; } - req = RING_GET_REQUEST(&queue->rx, queue->rx.req_cons++); + RING_COPY_REQUEST(&queue->rx, queue->rx.req_cons++, &req); meta = npo->meta + npo->meta_prod++; if ((1 << gso_type) & vif->gso_mask) { @@ -463,9 +463,9 @@ static int xenvif_gop_skb(struct sk_buff *skb, } meta->size = 0; - meta->id = req->id; + meta->id = req.id; npo->copy_off = 0; - npo->copy_gref = req->gref; + npo->copy_gref = req.gref; data = skb->data; while (data < skb_tail_pointer(skb)) { @@ -679,9 +679,7 @@ static void tx_add_credit(struct xenvif_queue *queue) * Allow a burst big enough to transmit a jumbo packet of up to 128kB. * Otherwise the interface can seize up due to insufficient credit. */ - max_burst = RING_GET_REQUEST(&queue->tx, queue->tx.req_cons)->size; - max_burst = min(max_burst, 131072UL); - max_burst = max(max_burst, queue->credit_bytes); + max_burst = max(131072UL, queue->credit_bytes); /* Take care that adding a new chunk of credit doesn't wrap to zero. */ max_credit = queue->remaining_credit + queue->credit_bytes; @@ -711,7 +709,7 @@ static void xenvif_tx_err(struct xenvif_queue *queue, spin_unlock_irqrestore(&queue->response_lock, flags); if (cons == end) break; - txp = RING_GET_REQUEST(&queue->tx, cons++); + RING_COPY_REQUEST(&queue->tx, cons++, txp); } while (1); queue->tx.req_cons = cons; } @@ -778,8 +776,7 @@ static int xenvif_count_requests(struct xenvif_queue *queue, if (drop_err) txp = &dropped_tx; - memcpy(txp, RING_GET_REQUEST(&queue->tx, cons + slots), - sizeof(*txp)); + RING_COPY_REQUEST(&queue->tx, cons + slots, txp); /* If the guest submitted a frame >= 64 KiB then * first->size overflowed and following slots will @@ -1112,8 +1109,7 @@ static int xenvif_get_extras(struct xenvif_queue *queue, return -EBADR; } - memcpy(&extra, RING_GET_REQUEST(&queue->tx, cons), - sizeof(extra)); + RING_COPY_REQUEST(&queue->tx, cons, &extra); if (unlikely(!extra.type || extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) { queue->tx.req_cons = ++cons; @@ -1322,7 +1318,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, idx = queue->tx.req_cons; rmb(); /* Ensure that we see the request before we copy it. */ - memcpy(&txreq, RING_GET_REQUEST(&queue->tx, idx), sizeof(txreq)); + RING_COPY_REQUEST(&queue->tx, idx, &txreq); /* Credit-based scheduling. */ if (txreq.size > queue->remaining_credit && diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index 06c3364..15f2acb 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -271,9 +271,9 @@ static int init_grps(struct nvm_id *nvm_id, struct nvme_nvm_id *nvme_nvm_id) return 0; } -static int nvme_nvm_identity(struct request_queue *q, struct nvm_id *nvm_id) +static int nvme_nvm_identity(struct nvm_dev *nvmdev, struct nvm_id *nvm_id) { - struct nvme_ns *ns = q->queuedata; + struct nvme_ns *ns = nvmdev->q->queuedata; struct nvme_dev *dev = ns->dev; struct nvme_nvm_id *nvme_nvm_id; struct nvme_nvm_command c = {}; @@ -308,10 +308,10 @@ out: return ret; } -static int nvme_nvm_get_l2p_tbl(struct request_queue *q, u64 slba, u32 nlb, +static int nvme_nvm_get_l2p_tbl(struct nvm_dev *nvmdev, u64 slba, u32 nlb, nvm_l2p_update_fn *update_l2p, void *priv) { - struct nvme_ns *ns = q->queuedata; + struct nvme_ns *ns = nvmdev->q->queuedata; struct nvme_dev *dev = ns->dev; struct nvme_nvm_command c = {}; u32 len = queue_max_hw_sectors(dev->admin_q) << 9; @@ -415,10 +415,10 @@ out: return ret; } -static int nvme_nvm_set_bb_tbl(struct request_queue *q, struct nvm_rq *rqd, +static int nvme_nvm_set_bb_tbl(struct nvm_dev *nvmdev, struct nvm_rq *rqd, int type) { - struct nvme_ns *ns = q->queuedata; + struct nvme_ns *ns = nvmdev->q->queuedata; struct nvme_dev *dev = ns->dev; struct nvme_nvm_command c = {}; int ret = 0; @@ -455,7 +455,7 @@ static void nvme_nvm_end_io(struct request *rq, int error) struct nvm_rq *rqd = rq->end_io_data; struct nvm_dev *dev = rqd->dev; - if (dev->mt->end_io(rqd, error)) + if (dev->mt && dev->mt->end_io(rqd, error)) pr_err("nvme: err status: %x result: %lx\n", rq->errors, (unsigned long)rq->special); @@ -463,8 +463,9 @@ static void nvme_nvm_end_io(struct request *rq, int error) blk_mq_free_request(rq); } -static int nvme_nvm_submit_io(struct request_queue *q, struct nvm_rq *rqd) +static int nvme_nvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd) { + struct request_queue *q = dev->q; struct nvme_ns *ns = q->queuedata; struct request *rq; struct bio *bio = rqd->bio; @@ -502,8 +503,9 @@ static int nvme_nvm_submit_io(struct request_queue *q, struct nvm_rq *rqd) return 0; } -static int nvme_nvm_erase_block(struct request_queue *q, struct nvm_rq *rqd) +static int nvme_nvm_erase_block(struct nvm_dev *dev, struct nvm_rq *rqd) { + struct request_queue *q = dev->q; struct nvme_ns *ns = q->queuedata; struct nvme_nvm_command c = {}; @@ -515,9 +517,9 @@ static int nvme_nvm_erase_block(struct request_queue *q, struct nvm_rq *rqd) return nvme_submit_sync_cmd(q, (struct nvme_command *)&c, NULL, 0); } -static void *nvme_nvm_create_dma_pool(struct request_queue *q, char *name) +static void *nvme_nvm_create_dma_pool(struct nvm_dev *nvmdev, char *name) { - struct nvme_ns *ns = q->queuedata; + struct nvme_ns *ns = nvmdev->q->queuedata; struct nvme_dev *dev = ns->dev; return dma_pool_create(name, dev->dev, PAGE_SIZE, PAGE_SIZE, 0); @@ -530,7 +532,7 @@ static void nvme_nvm_destroy_dma_pool(void *pool) dma_pool_destroy(dma_pool); } -static void *nvme_nvm_dev_dma_alloc(struct request_queue *q, void *pool, +static void *nvme_nvm_dev_dma_alloc(struct nvm_dev *dev, void *pool, gfp_t mem_flags, dma_addr_t *dma_handler) { return dma_pool_alloc(pool, mem_flags, dma_handler); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 9e294ff..0c67b57 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2540,8 +2540,17 @@ static void nvme_ns_remove(struct nvme_ns *ns) { bool kill = nvme_io_incapable(ns->dev) && !blk_queue_dying(ns->queue); - if (kill) + if (kill) { blk_set_queue_dying(ns->queue); + + /* + * The controller was shutdown first if we got here through + * device removal. The shutdown may requeue outstanding + * requests. These need to be aborted immediately so + * del_gendisk doesn't block indefinitely for their completion. + */ + blk_mq_abort_requeue_list(ns->queue); + } if (ns->disk->flags & GENHD_FL_UP) del_gendisk(ns->disk); if (kill || !blk_queue_dying(ns->queue)) { @@ -2977,6 +2986,15 @@ static void nvme_dev_remove(struct nvme_dev *dev) { struct nvme_ns *ns, *next; + if (nvme_io_incapable(dev)) { + /* + * If the device is not capable of IO (surprise hot-removal, + * for example), we need to quiesce prior to deleting the + * namespaces. This will end outstanding requests and prevent + * attempts to sync dirty data. + */ + nvme_dev_shutdown(dev); + } list_for_each_entry_safe(ns, next, &dev->namespaces, list) nvme_ns_remove(ns); } diff --git a/drivers/of/address.c b/drivers/of/address.c index cd53fe4..9582c57 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -485,9 +485,10 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus, int rone; u64 offset = OF_BAD_ADDR; - /* Normally, an absence of a "ranges" property means we are + /* + * Normally, an absence of a "ranges" property means we are * crossing a non-translatable boundary, and thus the addresses - * below the current not cannot be converted to CPU physical ones. + * below the current cannot be converted to CPU physical ones. * Unfortunately, while this is very clear in the spec, it's not * what Apple understood, and they do have things like /uni-n or * /ht nodes with no "ranges" property and a lot of perfectly diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index d243029..655f79d 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/initrd.h> #include <linux/memblock.h> +#include <linux/mutex.h> #include <linux/of.h> #include <linux/of_fdt.h> #include <linux/of_reserved_mem.h> @@ -436,6 +437,8 @@ static void *kernel_tree_alloc(u64 size, u64 align) return kzalloc(size, GFP_KERNEL); } +static DEFINE_MUTEX(of_fdt_unflatten_mutex); + /** * of_fdt_unflatten_tree - create tree of device_nodes from flat blob * @@ -447,7 +450,9 @@ static void *kernel_tree_alloc(u64 size, u64 align) void of_fdt_unflatten_tree(const unsigned long *blob, struct device_node **mynodes) { + mutex_lock(&of_fdt_unflatten_mutex); __unflatten_device_tree(blob, mynodes, &kernel_tree_alloc); + mutex_unlock(&of_fdt_unflatten_mutex); } EXPORT_SYMBOL_GPL(of_fdt_unflatten_tree); @@ -1041,7 +1046,7 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size) int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size, bool nomap) { - pr_err("Reserved memory not supported, ignoring range 0x%pa - 0x%pa%s\n", + pr_err("Reserved memory not supported, ignoring range %pa - %pa%s\n", &base, &size, nomap ? " (nomap)" : ""); return -ENOSYS; } diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 902b89b..4fa916d 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -53,7 +53,7 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map); * Returns a pointer to the interrupt parent node, or NULL if the interrupt * parent could not be determined. */ -static struct device_node *of_irq_find_parent(struct device_node *child) +struct device_node *of_irq_find_parent(struct device_node *child) { struct device_node *p; const __be32 *parp; @@ -77,6 +77,7 @@ static struct device_node *of_irq_find_parent(struct device_node *child) return p; } +EXPORT_SYMBOL_GPL(of_irq_find_parent); /** * of_irq_parse_raw - Low level interrupt tree parsing diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index be77e75..1a3556a 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -206,7 +206,13 @@ static int __init __rmem_cmp(const void *a, const void *b) { const struct reserved_mem *ra = a, *rb = b; - return ra->base - rb->base; + if (ra->base < rb->base) + return -1; + + if (ra->base > rb->base) + return 1; + + return 0; } static void __init __rmem_check_for_overlap(void) diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h index 761e77b..e56f156 100644 --- a/drivers/parisc/iommu-helpers.h +++ b/drivers/parisc/iommu-helpers.h @@ -104,7 +104,11 @@ iommu_coalesce_chunks(struct ioc *ioc, struct device *dev, struct scatterlist *contig_sg; /* contig chunk head */ unsigned long dma_offset, dma_len; /* start/len of DMA stream */ unsigned int n_mappings = 0; - unsigned int max_seg_size = dma_get_max_seg_size(dev); + unsigned int max_seg_size = min(dma_get_max_seg_size(dev), + (unsigned)DMA_CHUNK_SIZE); + unsigned int max_seg_boundary = dma_get_seg_boundary(dev) + 1; + if (max_seg_boundary) /* check if the addition above didn't overflow */ + max_seg_size = min(max_seg_size, max_seg_boundary); while (nents > 0) { @@ -138,14 +142,11 @@ iommu_coalesce_chunks(struct ioc *ioc, struct device *dev, /* ** First make sure current dma stream won't - ** exceed DMA_CHUNK_SIZE if we coalesce the + ** exceed max_seg_size if we coalesce the ** next entry. */ - if(unlikely(ALIGN(dma_len + dma_offset + startsg->length, - IOVP_SIZE) > DMA_CHUNK_SIZE)) - break; - - if (startsg->length + dma_len > max_seg_size) + if (unlikely(ALIGN(dma_len + dma_offset + startsg->length, IOVP_SIZE) > + max_seg_size)) break; /* diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig index f131ba9..c0ad9aa 100644 --- a/drivers/pci/host/Kconfig +++ b/drivers/pci/host/Kconfig @@ -5,6 +5,7 @@ config PCI_DRA7XX bool "TI DRA7xx PCIe controller" select PCIE_DW depends on OF && HAS_IOMEM && TI_PIPE3 + depends on BROKEN help Enables support for the PCIe controller in the DRA7xx SoC. There are two instances of PCIe controller in DRA7xx. This controller can diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c index e5dda38..99da549 100644 --- a/drivers/pci/host/pcie-altera.c +++ b/drivers/pci/host/pcie-altera.c @@ -55,8 +55,10 @@ #define TLP_CFG_DW2(bus, devfn, offset) \ (((bus) << 24) | ((devfn) << 16) | (offset)) #define TLP_REQ_ID(bus, devfn) (((bus) << 8) | (devfn)) +#define TLP_COMP_STATUS(s) (((s) >> 12) & 7) #define TLP_HDR_SIZE 3 #define TLP_LOOP 500 +#define RP_DEVFN 0 #define INTX_NUM 4 @@ -166,34 +168,41 @@ static bool altera_pcie_valid_config(struct altera_pcie *pcie, static int tlp_read_packet(struct altera_pcie *pcie, u32 *value) { - u8 loop; + int i; bool sop = 0; u32 ctrl; u32 reg0, reg1; + u32 comp_status = 1; /* * Minimum 2 loops to read TLP headers and 1 loop to read data * payload. */ - for (loop = 0; loop < TLP_LOOP; loop++) { + for (i = 0; i < TLP_LOOP; i++) { ctrl = cra_readl(pcie, RP_RXCPL_STATUS); if ((ctrl & RP_RXCPL_SOP) || (ctrl & RP_RXCPL_EOP) || sop) { reg0 = cra_readl(pcie, RP_RXCPL_REG0); reg1 = cra_readl(pcie, RP_RXCPL_REG1); - if (ctrl & RP_RXCPL_SOP) + if (ctrl & RP_RXCPL_SOP) { sop = true; + comp_status = TLP_COMP_STATUS(reg1); + } if (ctrl & RP_RXCPL_EOP) { + if (comp_status) + return PCIBIOS_DEVICE_NOT_FOUND; + if (value) *value = reg0; + return PCIBIOS_SUCCESSFUL; } } udelay(5); } - return -ENOENT; + return PCIBIOS_DEVICE_NOT_FOUND; } static void tlp_write_packet(struct altera_pcie *pcie, u32 *headers, @@ -233,7 +242,7 @@ static int tlp_cfg_dword_read(struct altera_pcie *pcie, u8 bus, u32 devfn, else headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGRD1); - headers[1] = TLP_CFG_DW1(TLP_REQ_ID(pcie->root_bus_nr, devfn), + headers[1] = TLP_CFG_DW1(TLP_REQ_ID(pcie->root_bus_nr, RP_DEVFN), TLP_READ_TAG, byte_en); headers[2] = TLP_CFG_DW2(bus, devfn, where); @@ -253,7 +262,7 @@ static int tlp_cfg_dword_write(struct altera_pcie *pcie, u8 bus, u32 devfn, else headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGWR1); - headers[1] = TLP_CFG_DW1(TLP_REQ_ID(pcie->root_bus_nr, devfn), + headers[1] = TLP_CFG_DW1(TLP_REQ_ID(pcie->root_bus_nr, RP_DEVFN), TLP_WRITE_TAG, byte_en); headers[2] = TLP_CFG_DW2(bus, devfn, where); @@ -458,7 +467,7 @@ static int altera_pcie_init_irq_domain(struct altera_pcie *pcie) struct device_node *node = dev->of_node; /* Setup INTx */ - pcie->irq_domain = irq_domain_add_linear(node, INTX_NUM, + pcie->irq_domain = irq_domain_add_linear(node, INTX_NUM + 1, &intx_domain_ops, pcie); if (!pcie->irq_domain) { dev_err(dev, "Failed to get a INTx IRQ domain\n"); diff --git a/drivers/pci/host/pcie-hisi.c b/drivers/pci/host/pcie-hisi.c index 163671a..77f7c66 100644 --- a/drivers/pci/host/pcie-hisi.c +++ b/drivers/pci/host/pcie-hisi.c @@ -61,7 +61,9 @@ static int hisi_pcie_cfg_read(struct pcie_port *pp, int where, int size, *val = *(u8 __force *) walker; else if (size == 2) *val = *(u16 __force *) walker; - else if (size != 4) + else if (size == 4) + *val = reg_val; + else return PCIBIOS_BAD_REGISTER_NUMBER; return PCIBIOS_SUCCESSFUL; diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 53e4632..7eaa4c8 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -54,7 +54,7 @@ static int pci_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) struct irq_domain *domain; domain = pci_msi_get_domain(dev); - if (domain) + if (domain && irq_domain_is_hierarchy(domain)) return pci_msi_domain_alloc_irqs(domain, dev, nvec, type); return arch_setup_msi_irqs(dev, nvec, type); @@ -65,7 +65,7 @@ static void pci_msi_teardown_msi_irqs(struct pci_dev *dev) struct irq_domain *domain; domain = pci_msi_get_domain(dev); - if (domain) + if (domain && irq_domain_is_hierarchy(domain)) pci_msi_domain_free_irqs(domain, dev); else arch_teardown_msi_irqs(dev); diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index 7eb5859d..03cb3ea 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -233,6 +233,7 @@ config PHY_SUN9I_USB tristate "Allwinner sun9i SoC USB PHY driver" depends on ARCH_SUNXI && HAS_IOMEM && OF depends on RESET_CONTROLLER + depends on USB_COMMON select GENERIC_PHY help Enable this to support the transceiver that is part of Allwinner diff --git a/drivers/phy/phy-bcm-cygnus-pcie.c b/drivers/phy/phy-bcm-cygnus-pcie.c index 7ad72b7..082c03f 100644 --- a/drivers/phy/phy-bcm-cygnus-pcie.c +++ b/drivers/phy/phy-bcm-cygnus-pcie.c @@ -128,6 +128,7 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev) struct phy_provider *provider; struct resource *res; unsigned cnt = 0; + int ret; if (of_get_child_count(node) == 0) { dev_err(dev, "PHY no child node\n"); @@ -154,24 +155,28 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev) if (of_property_read_u32(child, "reg", &id)) { dev_err(dev, "missing reg property for %s\n", child->name); - return -EINVAL; + ret = -EINVAL; + goto put_child; } if (id >= MAX_NUM_PHYS) { dev_err(dev, "invalid PHY id: %u\n", id); - return -EINVAL; + ret = -EINVAL; + goto put_child; } if (core->phys[id].phy) { dev_err(dev, "duplicated PHY id: %u\n", id); - return -EINVAL; + ret = -EINVAL; + goto put_child; } p = &core->phys[id]; p->phy = devm_phy_create(dev, child, &cygnus_pcie_phy_ops); if (IS_ERR(p->phy)) { dev_err(dev, "failed to create PHY\n"); - return PTR_ERR(p->phy); + ret = PTR_ERR(p->phy); + goto put_child; } p->core = core; @@ -191,6 +196,9 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev) dev_dbg(dev, "registered %u PCIe PHY(s)\n", cnt); return 0; +put_child: + of_node_put(child); + return ret; } static const struct of_device_id cygnus_pcie_phy_match_table[] = { diff --git a/drivers/phy/phy-berlin-sata.c b/drivers/phy/phy-berlin-sata.c index 77a2e05..f84a33a 100644 --- a/drivers/phy/phy-berlin-sata.c +++ b/drivers/phy/phy-berlin-sata.c @@ -195,7 +195,7 @@ static int phy_berlin_sata_probe(struct platform_device *pdev) struct phy_provider *phy_provider; struct phy_berlin_priv *priv; struct resource *res; - int i = 0; + int ret, i = 0; u32 phy_id; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); @@ -237,22 +237,27 @@ static int phy_berlin_sata_probe(struct platform_device *pdev) if (of_property_read_u32(child, "reg", &phy_id)) { dev_err(dev, "missing reg property in node %s\n", child->name); - return -EINVAL; + ret = -EINVAL; + goto put_child; } if (phy_id >= ARRAY_SIZE(phy_berlin_power_down_bits)) { dev_err(dev, "invalid reg in node %s\n", child->name); - return -EINVAL; + ret = -EINVAL; + goto put_child; } phy_desc = devm_kzalloc(dev, sizeof(*phy_desc), GFP_KERNEL); - if (!phy_desc) - return -ENOMEM; + if (!phy_desc) { + ret = -ENOMEM; + goto put_child; + } phy = devm_phy_create(dev, NULL, &phy_berlin_sata_ops); if (IS_ERR(phy)) { dev_err(dev, "failed to create PHY %d\n", phy_id); - return PTR_ERR(phy); + ret = PTR_ERR(phy); + goto put_child; } phy_desc->phy = phy; @@ -269,6 +274,9 @@ static int phy_berlin_sata_probe(struct platform_device *pdev) phy_provider = devm_of_phy_provider_register(dev, phy_berlin_sata_phy_xlate); return PTR_ERR_OR_ZERO(phy_provider); +put_child: + of_node_put(child); + return ret; } static const struct of_device_id phy_berlin_sata_of_match[] = { diff --git a/drivers/phy/phy-brcmstb-sata.c b/drivers/phy/phy-brcmstb-sata.c index 8a2cb16..cd9dba8 100644 --- a/drivers/phy/phy-brcmstb-sata.c +++ b/drivers/phy/phy-brcmstb-sata.c @@ -140,7 +140,7 @@ static int brcm_sata_phy_probe(struct platform_device *pdev) struct brcm_sata_phy *priv; struct resource *res; struct phy_provider *provider; - int count = 0; + int ret, count = 0; if (of_get_child_count(dn) == 0) return -ENODEV; @@ -163,16 +163,19 @@ static int brcm_sata_phy_probe(struct platform_device *pdev) if (of_property_read_u32(child, "reg", &id)) { dev_err(dev, "missing reg property in node %s\n", child->name); - return -EINVAL; + ret = -EINVAL; + goto put_child; } if (id >= MAX_PORTS) { dev_err(dev, "invalid reg: %u\n", id); - return -EINVAL; + ret = -EINVAL; + goto put_child; } if (priv->phys[id].phy) { dev_err(dev, "already registered port %u\n", id); - return -EINVAL; + ret = -EINVAL; + goto put_child; } port = &priv->phys[id]; @@ -182,7 +185,8 @@ static int brcm_sata_phy_probe(struct platform_device *pdev) port->ssc_en = of_property_read_bool(child, "brcm,enable-ssc"); if (IS_ERR(port->phy)) { dev_err(dev, "failed to create PHY\n"); - return PTR_ERR(port->phy); + ret = PTR_ERR(port->phy); + goto put_child; } phy_set_drvdata(port->phy, port); @@ -198,6 +202,9 @@ static int brcm_sata_phy_probe(struct platform_device *pdev) dev_info(dev, "registered %d port(s)\n", count); return 0; +put_child: + of_node_put(child); + return ret; } static struct platform_driver brcm_sata_phy_driver = { diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index fc48fac..8c7f27d 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -636,8 +636,9 @@ EXPORT_SYMBOL_GPL(devm_of_phy_get); * @np: node containing the phy * @index: index of the phy * - * Gets the phy using _of_phy_get(), and associates a device with it using - * devres. On driver detach, release function is invoked on the devres data, + * Gets the phy using _of_phy_get(), then gets a refcount to it, + * and associates a device with it using devres. On driver detach, + * release function is invoked on the devres data, * then, devres data is freed. * */ @@ -651,13 +652,21 @@ struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np, return ERR_PTR(-ENOMEM); phy = _of_phy_get(np, index); - if (!IS_ERR(phy)) { - *ptr = phy; - devres_add(dev, ptr); - } else { + if (IS_ERR(phy)) { devres_free(ptr); + return phy; } + if (!try_module_get(phy->ops->owner)) { + devres_free(ptr); + return ERR_PTR(-EPROBE_DEFER); + } + + get_device(&phy->dev); + + *ptr = phy; + devres_add(dev, ptr); + return phy; } EXPORT_SYMBOL_GPL(devm_of_phy_get_by_index); diff --git a/drivers/phy/phy-miphy28lp.c b/drivers/phy/phy-miphy28lp.c index c47b56b..3acd2a1 100644 --- a/drivers/phy/phy-miphy28lp.c +++ b/drivers/phy/phy-miphy28lp.c @@ -1226,15 +1226,18 @@ static int miphy28lp_probe(struct platform_device *pdev) miphy_phy = devm_kzalloc(&pdev->dev, sizeof(*miphy_phy), GFP_KERNEL); - if (!miphy_phy) - return -ENOMEM; + if (!miphy_phy) { + ret = -ENOMEM; + goto put_child; + } miphy_dev->phys[port] = miphy_phy; phy = devm_phy_create(&pdev->dev, child, &miphy28lp_ops); if (IS_ERR(phy)) { dev_err(&pdev->dev, "failed to create PHY\n"); - return PTR_ERR(phy); + ret = PTR_ERR(phy); + goto put_child; } miphy_dev->phys[port]->phy = phy; @@ -1242,11 +1245,11 @@ static int miphy28lp_probe(struct platform_device *pdev) ret = miphy28lp_of_probe(child, miphy_phy); if (ret) - return ret; + goto put_child; ret = miphy28lp_probe_resets(child, miphy_dev->phys[port]); if (ret) - return ret; + goto put_child; phy_set_drvdata(phy, miphy_dev->phys[port]); port++; @@ -1255,6 +1258,9 @@ static int miphy28lp_probe(struct platform_device *pdev) provider = devm_of_phy_provider_register(&pdev->dev, miphy28lp_xlate); return PTR_ERR_OR_ZERO(provider); +put_child: + of_node_put(child); + return ret; } static const struct of_device_id miphy28lp_of_match[] = { diff --git a/drivers/phy/phy-miphy365x.c b/drivers/phy/phy-miphy365x.c index 00a686a..e661f3b 100644 --- a/drivers/phy/phy-miphy365x.c +++ b/drivers/phy/phy-miphy365x.c @@ -566,22 +566,25 @@ static int miphy365x_probe(struct platform_device *pdev) miphy_phy = devm_kzalloc(&pdev->dev, sizeof(*miphy_phy), GFP_KERNEL); - if (!miphy_phy) - return -ENOMEM; + if (!miphy_phy) { + ret = -ENOMEM; + goto put_child; + } miphy_dev->phys[port] = miphy_phy; phy = devm_phy_create(&pdev->dev, child, &miphy365x_ops); if (IS_ERR(phy)) { dev_err(&pdev->dev, "failed to create PHY\n"); - return PTR_ERR(phy); + ret = PTR_ERR(phy); + goto put_child; } miphy_dev->phys[port]->phy = phy; ret = miphy365x_of_probe(child, miphy_phy); if (ret) - return ret; + goto put_child; phy_set_drvdata(phy, miphy_dev->phys[port]); @@ -591,12 +594,15 @@ static int miphy365x_probe(struct platform_device *pdev) &miphy_phy->ctrlreg); if (ret) { dev_err(&pdev->dev, "No sysconfig offset found\n"); - return ret; + goto put_child; } } provider = devm_of_phy_provider_register(&pdev->dev, miphy365x_xlate); return PTR_ERR_OR_ZERO(provider); +put_child: + of_node_put(child); + return ret; } static const struct of_device_id miphy365x_of_match[] = { diff --git a/drivers/phy/phy-mt65xx-usb3.c b/drivers/phy/phy-mt65xx-usb3.c index f30b28b..e427c3b 100644 --- a/drivers/phy/phy-mt65xx-usb3.c +++ b/drivers/phy/phy-mt65xx-usb3.c @@ -415,7 +415,7 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev) struct resource *sif_res; struct mt65xx_u3phy *u3phy; struct resource res; - int port; + int port, retval; u3phy = devm_kzalloc(dev, sizeof(*u3phy), GFP_KERNEL); if (!u3phy) @@ -447,31 +447,34 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev) for_each_child_of_node(np, child_np) { struct mt65xx_phy_instance *instance; struct phy *phy; - int retval; instance = devm_kzalloc(dev, sizeof(*instance), GFP_KERNEL); - if (!instance) - return -ENOMEM; + if (!instance) { + retval = -ENOMEM; + goto put_child; + } u3phy->phys[port] = instance; phy = devm_phy_create(dev, child_np, &mt65xx_u3phy_ops); if (IS_ERR(phy)) { dev_err(dev, "failed to create phy\n"); - return PTR_ERR(phy); + retval = PTR_ERR(phy); + goto put_child; } retval = of_address_to_resource(child_np, 0, &res); if (retval) { dev_err(dev, "failed to get address resource(id-%d)\n", port); - return retval; + goto put_child; } instance->port_base = devm_ioremap_resource(&phy->dev, &res); if (IS_ERR(instance->port_base)) { dev_err(dev, "failed to remap phy regs\n"); - return PTR_ERR(instance->port_base); + retval = PTR_ERR(instance->port_base); + goto put_child; } instance->phy = phy; @@ -483,6 +486,9 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev) provider = devm_of_phy_provider_register(dev, mt65xx_phy_xlate); return PTR_ERR_OR_ZERO(provider); +put_child: + of_node_put(child_np); + return retval; } static const struct of_device_id mt65xx_u3phy_id_table[] = { diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c index 91d6f34..62c43c4 100644 --- a/drivers/phy/phy-rockchip-usb.c +++ b/drivers/phy/phy-rockchip-usb.c @@ -108,13 +108,16 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev) for_each_available_child_of_node(dev->of_node, child) { rk_phy = devm_kzalloc(dev, sizeof(*rk_phy), GFP_KERNEL); - if (!rk_phy) - return -ENOMEM; + if (!rk_phy) { + err = -ENOMEM; + goto put_child; + } if (of_property_read_u32(child, "reg", ®_offset)) { dev_err(dev, "missing reg property in node %s\n", child->name); - return -EINVAL; + err = -EINVAL; + goto put_child; } rk_phy->reg_offset = reg_offset; @@ -127,18 +130,22 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev) rk_phy->phy = devm_phy_create(dev, child, &ops); if (IS_ERR(rk_phy->phy)) { dev_err(dev, "failed to create PHY\n"); - return PTR_ERR(rk_phy->phy); + err = PTR_ERR(rk_phy->phy); + goto put_child; } phy_set_drvdata(rk_phy->phy, rk_phy); /* only power up usb phy when it use, so disable it when init*/ err = rockchip_usb_phy_power(rk_phy, 1); if (err) - return err; + goto put_child; } phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); return PTR_ERR_OR_ZERO(phy_provider); +put_child: + of_node_put(child); + return err; } static const struct of_device_id rockchip_usb_phy_dt_ids[] = { diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index a1ea565..2e6ca69 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -342,12 +342,6 @@ static int bcm2835_gpio_get(struct gpio_chip *chip, unsigned offset) return bcm2835_gpio_get_bit(pc, GPLEV0, offset); } -static int bcm2835_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - return pinctrl_gpio_direction_output(chip->base + offset); -} - static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->dev); @@ -355,6 +349,13 @@ static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value) bcm2835_gpio_set_bit(pc, value ? GPSET0 : GPCLR0, offset); } +static int bcm2835_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + bcm2835_gpio_set(chip, offset, value); + return pinctrl_gpio_direction_output(chip->base + offset); +} + static int bcm2835_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->dev); diff --git a/drivers/pinctrl/freescale/pinctrl-vf610.c b/drivers/pinctrl/freescale/pinctrl-vf610.c index 37a0375..587d1ff 100644 --- a/drivers/pinctrl/freescale/pinctrl-vf610.c +++ b/drivers/pinctrl/freescale/pinctrl-vf610.c @@ -299,7 +299,7 @@ static const struct pinctrl_pin_desc vf610_pinctrl_pads[] = { static struct imx_pinctrl_soc_info vf610_pinctrl_info = { .pins = vf610_pinctrl_pads, .npins = ARRAY_SIZE(vf610_pinctrl_pads), - .flags = SHARE_MUX_CONF_REG, + .flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID, }; static const struct of_device_id vf610_pinctrl_of_match[] = { diff --git a/drivers/pinctrl/intel/pinctrl-broxton.c b/drivers/pinctrl/intel/pinctrl-broxton.c index e42d5d4..5979d38 100644 --- a/drivers/pinctrl/intel/pinctrl-broxton.c +++ b/drivers/pinctrl/intel/pinctrl-broxton.c @@ -28,6 +28,7 @@ .padcfglock_offset = BXT_PADCFGLOCK, \ .hostown_offset = BXT_HOSTSW_OWN, \ .ie_offset = BXT_GPI_IE, \ + .gpp_size = 32, \ .pin_base = (s), \ .npins = ((e) - (s) + 1), \ } diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 392e28d..26f6b6f 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -25,9 +25,6 @@ #include "pinctrl-intel.h" -/* Maximum number of pads in each group */ -#define NPADS_IN_GPP 24 - /* Offset from regs */ #define PADBAR 0x00c #define GPI_IS 0x100 @@ -37,6 +34,7 @@ #define PADOWN_BITS 4 #define PADOWN_SHIFT(p) ((p) % 8 * PADOWN_BITS) #define PADOWN_MASK(p) (0xf << PADOWN_SHIFT(p)) +#define PADOWN_GPP(p) ((p) / 8) /* Offset from pad_regs */ #define PADCFG0 0x000 @@ -142,7 +140,7 @@ static void __iomem *intel_get_padcfg(struct intel_pinctrl *pctrl, unsigned pin, static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned pin) { const struct intel_community *community; - unsigned padno, gpp, gpp_offset, offset; + unsigned padno, gpp, offset, group; void __iomem *padown; community = intel_get_community(pctrl, pin); @@ -152,9 +150,9 @@ static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned pin) return true; padno = pin_to_padno(community, pin); - gpp = padno / NPADS_IN_GPP; - gpp_offset = padno % NPADS_IN_GPP; - offset = community->padown_offset + gpp * 16 + (gpp_offset / 8) * 4; + group = padno / community->gpp_size; + gpp = PADOWN_GPP(padno % community->gpp_size); + offset = community->padown_offset + 0x10 * group + gpp * 4; padown = community->regs + offset; return !(readl(padown) & PADOWN_MASK(padno)); @@ -173,11 +171,11 @@ static bool intel_pad_acpi_mode(struct intel_pinctrl *pctrl, unsigned pin) return false; padno = pin_to_padno(community, pin); - gpp = padno / NPADS_IN_GPP; + gpp = padno / community->gpp_size; offset = community->hostown_offset + gpp * 4; hostown = community->regs + offset; - return !(readl(hostown) & BIT(padno % NPADS_IN_GPP)); + return !(readl(hostown) & BIT(padno % community->gpp_size)); } static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin) @@ -193,7 +191,7 @@ static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin) return false; padno = pin_to_padno(community, pin); - gpp = padno / NPADS_IN_GPP; + gpp = padno / community->gpp_size; /* * If PADCFGLOCK and PADCFGLOCKTX bits are both clear for this pad, @@ -202,12 +200,12 @@ static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin) */ offset = community->padcfglock_offset + gpp * 8; value = readl(community->regs + offset); - if (value & BIT(pin % NPADS_IN_GPP)) + if (value & BIT(pin % community->gpp_size)) return true; offset = community->padcfglock_offset + 4 + gpp * 8; value = readl(community->regs + offset); - if (value & BIT(pin % NPADS_IN_GPP)) + if (value & BIT(pin % community->gpp_size)) return true; return false; @@ -663,8 +661,8 @@ static void intel_gpio_irq_ack(struct irq_data *d) community = intel_get_community(pctrl, pin); if (community) { unsigned padno = pin_to_padno(community, pin); - unsigned gpp_offset = padno % NPADS_IN_GPP; - unsigned gpp = padno / NPADS_IN_GPP; + unsigned gpp_offset = padno % community->gpp_size; + unsigned gpp = padno / community->gpp_size; writel(BIT(gpp_offset), community->regs + GPI_IS + gpp * 4); } @@ -685,8 +683,8 @@ static void intel_gpio_irq_mask_unmask(struct irq_data *d, bool mask) community = intel_get_community(pctrl, pin); if (community) { unsigned padno = pin_to_padno(community, pin); - unsigned gpp_offset = padno % NPADS_IN_GPP; - unsigned gpp = padno / NPADS_IN_GPP; + unsigned gpp_offset = padno % community->gpp_size; + unsigned gpp = padno / community->gpp_size; void __iomem *reg; u32 value; @@ -780,8 +778,8 @@ static int intel_gpio_irq_wake(struct irq_data *d, unsigned int on) return -EINVAL; padno = pin_to_padno(community, pin); - gpp = padno / NPADS_IN_GPP; - gpp_offset = padno % NPADS_IN_GPP; + gpp = padno / community->gpp_size; + gpp_offset = padno % community->gpp_size; /* Clear the existing wake status */ writel(BIT(gpp_offset), community->regs + GPI_GPE_STS + gpp * 4); @@ -819,14 +817,14 @@ static irqreturn_t intel_gpio_community_irq_handler(struct intel_pinctrl *pctrl, /* Only interrupts that are enabled */ pending &= enabled; - for_each_set_bit(gpp_offset, &pending, NPADS_IN_GPP) { + for_each_set_bit(gpp_offset, &pending, community->gpp_size) { unsigned padno, irq; /* * The last group in community can have less pins * than NPADS_IN_GPP. */ - padno = gpp_offset + gpp * NPADS_IN_GPP; + padno = gpp_offset + gpp * community->gpp_size; if (padno >= community->npins) break; @@ -1002,7 +1000,8 @@ int intel_pinctrl_probe(struct platform_device *pdev, community->regs = regs; community->pad_regs = regs + padbar; - community->ngpps = DIV_ROUND_UP(community->npins, NPADS_IN_GPP); + community->ngpps = DIV_ROUND_UP(community->npins, + community->gpp_size); } irq = platform_get_irq(pdev, 0); diff --git a/drivers/pinctrl/intel/pinctrl-intel.h b/drivers/pinctrl/intel/pinctrl-intel.h index 4ec8b57..b602157 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.h +++ b/drivers/pinctrl/intel/pinctrl-intel.h @@ -55,6 +55,8 @@ struct intel_function { * ACPI). * @ie_offset: Register offset of GPI_IE from @regs. * @pin_base: Starting pin of pins in this community + * @gpp_size: Maximum number of pads in each group, such as PADCFGLOCK, + * HOSTSW_OWN, GPI_IS, GPI_IE, etc. * @npins: Number of pins in this community * @regs: Community specific common registers (reserved for core driver) * @pad_regs: Community specific pad registers (reserved for core driver) @@ -68,6 +70,7 @@ struct intel_community { unsigned hostown_offset; unsigned ie_offset; unsigned pin_base; + unsigned gpp_size; size_t npins; void __iomem *regs; void __iomem *pad_regs; diff --git a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c index 1de9ae5..c725a53 100644 --- a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c +++ b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c @@ -30,6 +30,7 @@ .padcfglock_offset = SPT_PADCFGLOCK, \ .hostown_offset = SPT_HOSTSW_OWN, \ .ie_offset = SPT_GPI_IE, \ + .gpp_size = 24, \ .pin_base = (s), \ .npins = ((e) - (s) + 1), \ } diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index f2d77fe..cb8a9c2 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -43,8 +43,6 @@ MODULE_LICENSE("GPL"); #define DELL_EVENT_GUID "9DBB5994-A997-11DA-B012-B622A1EF5492" -static int acpi_video; - MODULE_ALIAS("wmi:"DELL_EVENT_GUID); /* @@ -159,7 +157,8 @@ static void dell_wmi_process_key(int reported_key) /* Don't report brightness notifications that will also come via ACPI */ if ((key->keycode == KEY_BRIGHTNESSUP || - key->keycode == KEY_BRIGHTNESSDOWN) && acpi_video) + key->keycode == KEY_BRIGHTNESSDOWN) && + acpi_video_handles_brightness_key_presses()) return; sparse_keymap_report_entry(dell_wmi_input_dev, key, 1, true); @@ -398,7 +397,6 @@ static int __init dell_wmi_init(void) } dmi_walk(find_hk_type, NULL); - acpi_video = acpi_video_get_backlight_type() != acpi_backlight_vendor; err = dell_wmi_input_setup(); if (err) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 0bed473..f453d5d 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -3488,7 +3488,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm) /* Do not issue duplicate brightness change events to * userspace. tpacpi_detect_brightness_capabilities() must have * been called before this point */ - if (acpi_video_get_backlight_type() != acpi_backlight_vendor) { + if (acpi_video_handles_brightness_key_presses()) { pr_info("This ThinkPad has standard ACPI backlight " "brightness control, supported by the ACPI " "video driver\n"); diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index 153a493..63452f2 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -74,7 +74,6 @@ void pnp_device_detach(struct pnp_dev *pnp_dev) if (pnp_dev->status == PNP_ATTACHED) pnp_dev->status = PNP_READY; mutex_unlock(&pnp_lock); - pnp_disable_dev(pnp_dev); } static int pnp_device_probe(struct device *dev) @@ -131,6 +130,11 @@ static int pnp_device_remove(struct device *dev) drv->remove(pnp_dev); pnp_dev->driver = NULL; } + + if (pnp_dev->active && + (!drv || !(drv->flags & PNP_DRIVER_RES_DO_NOT_CHANGE))) + pnp_disable_dev(pnp_dev); + pnp_device_detach(pnp_dev); return 0; } diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c index 943c1cb..f700723 100644 --- a/drivers/pnp/quirks.c +++ b/drivers/pnp/quirks.c @@ -343,6 +343,7 @@ static void quirk_amd_mmconfig_area(struct pnp_dev *dev) static const unsigned int mch_quirk_devices[] = { 0x0154, /* Ivy Bridge */ 0x0c00, /* Haswell */ + 0x1604, /* Broadwell */ }; static struct pci_dev *get_intel_host(void) diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c index cc97f08..4099159 100644 --- a/drivers/powercap/intel_rapl.c +++ b/drivers/powercap/intel_rapl.c @@ -988,16 +988,16 @@ static void set_floor_freq_atom(struct rapl_domain *rd, bool enable) } if (!power_ctrl_orig_val) - iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_PMC_READ, - rapl_defaults->floor_freq_reg_addr, - &power_ctrl_orig_val); + iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_CR_READ, + rapl_defaults->floor_freq_reg_addr, + &power_ctrl_orig_val); mdata = power_ctrl_orig_val; if (enable) { mdata &= ~(0x7f << 8); mdata |= 1 << 8; } - iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_PMC_WRITE, - rapl_defaults->floor_freq_reg_addr, mdata); + iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_CR_WRITE, + rapl_defaults->floor_freq_reg_addr, mdata); } static u64 rapl_compute_time_window_core(struct rapl_package *rp, u64 value, @@ -1341,10 +1341,13 @@ static int rapl_detect_domains(struct rapl_package *rp, int cpu) for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) { /* check if the domain is locked by BIOS */ - if (rapl_read_data_raw(rd, FW_LOCK, false, &locked)) { + ret = rapl_read_data_raw(rd, FW_LOCK, false, &locked); + if (ret) + return ret; + if (locked) { pr_info("RAPL package %d domain %s locked by BIOS\n", rp->id, rd->name); - rd->state |= DOMAIN_STATE_BIOS_LOCKED; + rd->state |= DOMAIN_STATE_BIOS_LOCKED; } } diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c index 284b587..d6c853b 100644 --- a/drivers/rtc/rtc-da9063.c +++ b/drivers/rtc/rtc-da9063.c @@ -483,24 +483,23 @@ static int da9063_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rtc); + rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, DA9063_DRVNAME_RTC, + &da9063_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc->rtc_dev)) + return PTR_ERR(rtc->rtc_dev); + + da9063_data_to_tm(data, &rtc->alarm_time, rtc); + rtc->rtc_sync = false; + irq_alarm = platform_get_irq_byname(pdev, "ALARM"); ret = devm_request_threaded_irq(&pdev->dev, irq_alarm, NULL, da9063_alarm_event, IRQF_TRIGGER_LOW | IRQF_ONESHOT, "ALARM", rtc); - if (ret) { + if (ret) dev_err(&pdev->dev, "Failed to request ALARM IRQ %d: %d\n", irq_alarm, ret); - return ret; - } - - rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, DA9063_DRVNAME_RTC, - &da9063_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc->rtc_dev)) - return PTR_ERR(rtc->rtc_dev); - da9063_data_to_tm(data, &rtc->alarm_time, rtc); - rtc->rtc_sync = false; return ret; } diff --git a/drivers/rtc/rtc-rk808.c b/drivers/rtc/rtc-rk808.c index 91ca0bc..35c9aad 100644 --- a/drivers/rtc/rtc-rk808.c +++ b/drivers/rtc/rtc-rk808.c @@ -56,6 +56,42 @@ struct rk808_rtc { int irq; }; +/* + * The Rockchip calendar used by the RK808 counts November with 31 days. We use + * these translation functions to convert its dates to/from the Gregorian + * calendar used by the rest of the world. We arbitrarily define Jan 1st, 2016 + * as the day when both calendars were in sync, and treat all other dates + * relative to that. + * NOTE: Other system software (e.g. firmware) that reads the same hardware must + * implement this exact same conversion algorithm, with the same anchor date. + */ +static time64_t nov2dec_transitions(struct rtc_time *tm) +{ + return (tm->tm_year + 1900) - 2016 + (tm->tm_mon + 1 > 11 ? 1 : 0); +} + +static void rockchip_to_gregorian(struct rtc_time *tm) +{ + /* If it's Nov 31st, rtc_tm_to_time64() will count that like Dec 1st */ + time64_t time = rtc_tm_to_time64(tm); + rtc_time64_to_tm(time + nov2dec_transitions(tm) * 86400, tm); +} + +static void gregorian_to_rockchip(struct rtc_time *tm) +{ + time64_t extra_days = nov2dec_transitions(tm); + time64_t time = rtc_tm_to_time64(tm); + rtc_time64_to_tm(time - extra_days * 86400, tm); + + /* Compensate if we went back over Nov 31st (will work up to 2381) */ + if (nov2dec_transitions(tm) < extra_days) { + if (tm->tm_mon + 1 == 11) + tm->tm_mday++; /* This may result in 31! */ + else + rtc_time64_to_tm(time - (extra_days - 1) * 86400, tm); + } +} + /* Read current time and date in RTC */ static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm) { @@ -101,9 +137,10 @@ static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm) tm->tm_mon = (bcd2bin(rtc_data[4] & MONTHS_REG_MSK)) - 1; tm->tm_year = (bcd2bin(rtc_data[5] & YEARS_REG_MSK)) + 100; tm->tm_wday = bcd2bin(rtc_data[6] & WEEKS_REG_MSK); + rockchip_to_gregorian(tm); dev_dbg(dev, "RTC date/time %4d-%02d-%02d(%d) %02d:%02d:%02d\n", 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday, - tm->tm_wday, tm->tm_hour , tm->tm_min, tm->tm_sec); + tm->tm_wday, tm->tm_hour, tm->tm_min, tm->tm_sec); return ret; } @@ -116,6 +153,10 @@ static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm) u8 rtc_data[NUM_TIME_REGS]; int ret; + dev_dbg(dev, "set RTC date/time %4d-%02d-%02d(%d) %02d:%02d:%02d\n", + 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday, + tm->tm_wday, tm->tm_hour, tm->tm_min, tm->tm_sec); + gregorian_to_rockchip(tm); rtc_data[0] = bin2bcd(tm->tm_sec); rtc_data[1] = bin2bcd(tm->tm_min); rtc_data[2] = bin2bcd(tm->tm_hour); @@ -123,9 +164,6 @@ static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm) rtc_data[4] = bin2bcd(tm->tm_mon + 1); rtc_data[5] = bin2bcd(tm->tm_year - 100); rtc_data[6] = bin2bcd(tm->tm_wday); - dev_dbg(dev, "set RTC date/time %4d-%02d-%02d(%d) %02d:%02d:%02d\n", - 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday, - tm->tm_wday, tm->tm_hour , tm->tm_min, tm->tm_sec); /* Stop RTC while updating the RTC registers */ ret = regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG, @@ -170,6 +208,7 @@ static int rk808_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm) alrm->time.tm_mday = bcd2bin(alrm_data[3] & DAYS_REG_MSK); alrm->time.tm_mon = (bcd2bin(alrm_data[4] & MONTHS_REG_MSK)) - 1; alrm->time.tm_year = (bcd2bin(alrm_data[5] & YEARS_REG_MSK)) + 100; + rockchip_to_gregorian(&alrm->time); ret = regmap_read(rk808->regmap, RK808_RTC_INT_REG, &int_reg); if (ret) { @@ -227,6 +266,7 @@ static int rk808_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) alrm->time.tm_mday, alrm->time.tm_wday, alrm->time.tm_hour, alrm->time.tm_min, alrm->time.tm_sec); + gregorian_to_rockchip(&alrm->time); alrm_data[0] = bin2bcd(alrm->time.tm_sec); alrm_data[1] = bin2bcd(alrm->time.tm_min); alrm_data[2] = bin2bcd(alrm->time.tm_hour); diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 61f7685..24ec282 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -599,8 +599,10 @@ static enum ap_wait ap_sm_read(struct ap_device *ap_dev) status = ap_sm_recv(ap_dev); switch (status.response_code) { case AP_RESPONSE_NORMAL: - if (ap_dev->queue_count > 0) + if (ap_dev->queue_count > 0) { + ap_dev->state = AP_STATE_WORKING; return AP_WAIT_AGAIN; + } ap_dev->state = AP_STATE_IDLE; return AP_WAIT_NONE; case AP_RESPONSE_NO_PENDING_REPLY: diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index b2a1a81..1b83159 100644 --- a/drivers/s390/virtio/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c @@ -984,6 +984,36 @@ static struct virtqueue *virtio_ccw_vq_by_ind(struct virtio_ccw_device *vcdev, return vq; } +static void virtio_ccw_check_activity(struct virtio_ccw_device *vcdev, + __u32 activity) +{ + if (vcdev->curr_io & activity) { + switch (activity) { + case VIRTIO_CCW_DOING_READ_FEAT: + case VIRTIO_CCW_DOING_WRITE_FEAT: + case VIRTIO_CCW_DOING_READ_CONFIG: + case VIRTIO_CCW_DOING_WRITE_CONFIG: + case VIRTIO_CCW_DOING_WRITE_STATUS: + case VIRTIO_CCW_DOING_SET_VQ: + case VIRTIO_CCW_DOING_SET_IND: + case VIRTIO_CCW_DOING_SET_CONF_IND: + case VIRTIO_CCW_DOING_RESET: + case VIRTIO_CCW_DOING_READ_VQ_CONF: + case VIRTIO_CCW_DOING_SET_IND_ADAPTER: + case VIRTIO_CCW_DOING_SET_VIRTIO_REV: + vcdev->curr_io &= ~activity; + wake_up(&vcdev->wait_q); + break; + default: + /* don't know what to do... */ + dev_warn(&vcdev->cdev->dev, + "Suspicious activity '%08x'\n", activity); + WARN_ON(1); + break; + } + } +} + static void virtio_ccw_int_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) @@ -995,6 +1025,12 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev, if (!vcdev) return; + if (IS_ERR(irb)) { + vcdev->err = PTR_ERR(irb); + virtio_ccw_check_activity(vcdev, activity); + /* Don't poke around indicators, something's wrong. */ + return; + } /* Check if it's a notification from the host. */ if ((intparm == 0) && (scsw_stctl(&irb->scsw) == @@ -1010,31 +1046,7 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev, /* Map everything else to -EIO. */ vcdev->err = -EIO; } - if (vcdev->curr_io & activity) { - switch (activity) { - case VIRTIO_CCW_DOING_READ_FEAT: - case VIRTIO_CCW_DOING_WRITE_FEAT: - case VIRTIO_CCW_DOING_READ_CONFIG: - case VIRTIO_CCW_DOING_WRITE_CONFIG: - case VIRTIO_CCW_DOING_WRITE_STATUS: - case VIRTIO_CCW_DOING_SET_VQ: - case VIRTIO_CCW_DOING_SET_IND: - case VIRTIO_CCW_DOING_SET_CONF_IND: - case VIRTIO_CCW_DOING_RESET: - case VIRTIO_CCW_DOING_READ_VQ_CONF: - case VIRTIO_CCW_DOING_SET_IND_ADAPTER: - case VIRTIO_CCW_DOING_SET_VIRTIO_REV: - vcdev->curr_io &= ~activity; - wake_up(&vcdev->wait_q); - break; - default: - /* don't know what to do... */ - dev_warn(&cdev->dev, "Suspicious activity '%08x'\n", - activity); - WARN_ON(1); - break; - } - } + virtio_ccw_check_activity(vcdev, activity); for_each_set_bit(i, &vcdev->indicators, sizeof(vcdev->indicators) * BITS_PER_BYTE) { /* The bit clear must happen before the vring kick. */ diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index e4b7998..459abe1 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -219,13 +219,13 @@ static int sdev_runtime_suspend(struct device *dev) struct scsi_device *sdev = to_scsi_device(dev); int err = 0; - if (pm && pm->runtime_suspend) { - err = blk_pre_runtime_suspend(sdev->request_queue); - if (err) - return err; + err = blk_pre_runtime_suspend(sdev->request_queue); + if (err) + return err; + if (pm && pm->runtime_suspend) err = pm->runtime_suspend(dev); - blk_post_runtime_suspend(sdev->request_queue, err); - } + blk_post_runtime_suspend(sdev->request_queue, err); + return err; } @@ -248,11 +248,11 @@ static int sdev_runtime_resume(struct device *dev) const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int err = 0; - if (pm && pm->runtime_resume) { - blk_pre_runtime_resume(sdev->request_queue); + blk_pre_runtime_resume(sdev->request_queue); + if (pm && pm->runtime_resume) err = pm->runtime_resume(dev); - blk_post_runtime_resume(sdev->request_queue, err); - } + blk_post_runtime_resume(sdev->request_queue, err); + return err; } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3d22fc3..4e08d1cd 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2885,10 +2885,13 @@ static int sd_revalidate_disk(struct gendisk *disk) /* * Use the device's preferred I/O size for reads and writes - * unless the reported value is unreasonably large (or garbage). + * unless the reported value is unreasonably small, large, or + * garbage. */ - if (sdkp->opt_xfer_blocks && sdkp->opt_xfer_blocks <= dev_max && - sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS) + if (sdkp->opt_xfer_blocks && + sdkp->opt_xfer_blocks <= dev_max && + sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS && + sdkp->opt_xfer_blocks * sdp->sector_size >= PAGE_CACHE_SIZE) rw_max = q->limits.io_opt = logical_to_sectors(sdp, sdkp->opt_xfer_blocks); else diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c index dcb0d76..044d064 100644 --- a/drivers/scsi/ses.c +++ b/drivers/scsi/ses.c @@ -84,6 +84,7 @@ static void init_device_slot_control(unsigned char *dest_desc, static int ses_recv_diag(struct scsi_device *sdev, int page_code, void *buf, int bufflen) { + int ret; unsigned char cmd[] = { RECEIVE_DIAGNOSTIC, 1, /* Set PCV bit */ @@ -92,9 +93,26 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code, bufflen & 0xff, 0 }; + unsigned char recv_page_code; - return scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen, + ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen, NULL, SES_TIMEOUT, SES_RETRIES, NULL); + if (unlikely(!ret)) + return ret; + + recv_page_code = ((unsigned char *)buf)[0]; + + if (likely(recv_page_code == page_code)) + return ret; + + /* successful diagnostic but wrong page code. This happens to some + * USB devices, just print a message and pretend there was an error */ + + sdev_printk(KERN_ERR, sdev, + "Wrong diagnostic page; asked for %d got %u\n", + page_code, recv_page_code); + + return -EINVAL; } static int ses_send_diag(struct scsi_device *sdev, int page_code, @@ -541,7 +559,15 @@ static void ses_enclosure_data_process(struct enclosure_device *edev, if (desc_ptr) desc_ptr += len; - if (addl_desc_ptr) + if (addl_desc_ptr && + /* only find additional descriptions for specific devices */ + (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE || + type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE || + type_ptr[0] == ENCLOSURE_COMPONENT_SAS_EXPANDER || + /* these elements are optional */ + type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_TARGET_PORT || + type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT || + type_ptr[0] == ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS)) addl_desc_ptr += addl_desc_ptr[1] + 2; } diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 59a1143..39412c9 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -167,7 +167,7 @@ static inline int is_double_byte_mode(struct fsl_dspi *dspi) { unsigned int val; - regmap_read(dspi->regmap, SPI_CTAR(dspi->cs), &val); + regmap_read(dspi->regmap, SPI_CTAR(0), &val); return ((val & SPI_FRAME_BITS_MASK) == SPI_FRAME_BITS(8)) ? 0 : 1; } @@ -257,7 +257,7 @@ static u32 dspi_data_to_pushr(struct fsl_dspi *dspi, int tx_word) return SPI_PUSHR_TXDATA(d16) | SPI_PUSHR_PCS(dspi->cs) | - SPI_PUSHR_CTAS(dspi->cs) | + SPI_PUSHR_CTAS(0) | SPI_PUSHR_CONT; } @@ -290,7 +290,7 @@ static int dspi_eoq_write(struct fsl_dspi *dspi) */ if (tx_word && (dspi->len == 1)) { dspi->dataflags |= TRAN_STATE_WORD_ODD_NUM; - regmap_update_bits(dspi->regmap, SPI_CTAR(dspi->cs), + regmap_update_bits(dspi->regmap, SPI_CTAR(0), SPI_FRAME_BITS_MASK, SPI_FRAME_BITS(8)); tx_word = 0; } @@ -339,7 +339,7 @@ static int dspi_tcfq_write(struct fsl_dspi *dspi) if (tx_word && (dspi->len == 1)) { dspi->dataflags |= TRAN_STATE_WORD_ODD_NUM; - regmap_update_bits(dspi->regmap, SPI_CTAR(dspi->cs), + regmap_update_bits(dspi->regmap, SPI_CTAR(0), SPI_FRAME_BITS_MASK, SPI_FRAME_BITS(8)); tx_word = 0; } @@ -407,7 +407,7 @@ static int dspi_transfer_one_message(struct spi_master *master, regmap_update_bits(dspi->regmap, SPI_MCR, SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF, SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF); - regmap_write(dspi->regmap, SPI_CTAR(dspi->cs), + regmap_write(dspi->regmap, SPI_CTAR(0), dspi->cur_chip->ctar_val); trans_mode = dspi->devtype_data->trans_mode; @@ -566,7 +566,7 @@ static irqreturn_t dspi_interrupt(int irq, void *dev_id) if (!dspi->len) { if (dspi->dataflags & TRAN_STATE_WORD_ODD_NUM) { regmap_update_bits(dspi->regmap, - SPI_CTAR(dspi->cs), + SPI_CTAR(0), SPI_FRAME_BITS_MASK, SPI_FRAME_BITS(16)); dspi->dataflags &= ~TRAN_STATE_WORD_ODD_NUM; diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 2b0a8ec..151b01c 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1623,6 +1623,9 @@ static acpi_status acpi_spi_add_device(acpi_handle handle, u32 level, return AE_OK; } + if (spi->irq < 0) + spi->irq = acpi_dev_gpio_irq_get(adev, 0); + adev->power.flags.ignore_parent = true; strlcpy(spi->modalias, acpi_device_hid(adev), sizeof(spi->modalias)); if (spi_add_device(spi)) { @@ -1705,7 +1708,7 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size) master->bus_num = -1; master->num_chipselect = 1; master->dev.class = &spi_master_class; - master->dev.parent = get_device(dev); + master->dev.parent = dev; spi_master_set_devdata(master, &master[1]); return master; diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 91a0fcd..d0e7dfc 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -651,11 +651,11 @@ static int spidev_release(struct inode *inode, struct file *filp) kfree(spidev->rx_buffer); spidev->rx_buffer = NULL; + spin_lock_irq(&spidev->spi_lock); if (spidev->spi) spidev->speed_hz = spidev->spi->max_speed_hz; /* ... after we unbound from the underlying device? */ - spin_lock_irq(&spidev->spi_lock); dofree = (spidev->spi == NULL); spin_unlock_irq(&spidev->spi_lock); diff --git a/drivers/staging/android/ion/ion_chunk_heap.c b/drivers/staging/android/ion/ion_chunk_heap.c index 195c41d..0813163 100644 --- a/drivers/staging/android/ion/ion_chunk_heap.c +++ b/drivers/staging/android/ion/ion_chunk_heap.c @@ -81,7 +81,7 @@ static int ion_chunk_heap_allocate(struct ion_heap *heap, err: sg = table->sgl; for (i -= 1; i >= 0; i--) { - gen_pool_free(chunk_heap->pool, sg_phys(sg) & PAGE_MASK, + gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)), sg->length); sg = sg_next(sg); } @@ -109,7 +109,7 @@ static void ion_chunk_heap_free(struct ion_buffer *buffer) DMA_BIDIRECTIONAL); for_each_sg(table->sgl, sg, table->nents, i) { - gen_pool_free(chunk_heap->pool, sg_phys(sg) & PAGE_MASK, + gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)), sg->length); } chunk_heap->allocated -= allocated_size; diff --git a/drivers/staging/iio/iio_simple_dummy_events.c b/drivers/staging/iio/iio_simple_dummy_events.c index bfbf1c5..6eb600f 100644 --- a/drivers/staging/iio/iio_simple_dummy_events.c +++ b/drivers/staging/iio/iio_simple_dummy_events.c @@ -159,7 +159,7 @@ static irqreturn_t iio_simple_dummy_get_timestamp(int irq, void *private) struct iio_dummy_state *st = iio_priv(indio_dev); st->event_timestamp = iio_get_time_ns(); - return IRQ_HANDLED; + return IRQ_WAKE_THREAD; } /** diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c index f61ef66..a4a9a76 100644 --- a/drivers/staging/lustre/lustre/obdecho/echo_client.c +++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c @@ -1270,6 +1270,7 @@ static int echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob) { struct lov_stripe_md *ulsm = _ulsm; + struct lov_oinfo **p; int nob, i; nob = offsetof(struct lov_stripe_md, lsm_oinfo[lsm->lsm_stripe_count]); @@ -1279,9 +1280,10 @@ echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob) if (copy_to_user(ulsm, lsm, sizeof(*ulsm))) return -EFAULT; - for (i = 0; i < lsm->lsm_stripe_count; i++) { - if (copy_to_user(ulsm->lsm_oinfo[i], lsm->lsm_oinfo[i], - sizeof(lsm->lsm_oinfo[0]))) + for (i = 0, p = lsm->lsm_oinfo; i < lsm->lsm_stripe_count; i++, p++) { + struct lov_oinfo __user *up; + if (get_user(up, ulsm->lsm_oinfo + i) || + copy_to_user(up, *p, sizeof(struct lov_oinfo))) return -EFAULT; } return 0; @@ -1289,9 +1291,10 @@ echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob) static int echo_copyin_lsm(struct echo_device *ed, struct lov_stripe_md *lsm, - void *ulsm, int ulsm_nob) + struct lov_stripe_md __user *ulsm, int ulsm_nob) { struct echo_client_obd *ec = ed->ed_ec; + struct lov_oinfo **p; int i; if (ulsm_nob < sizeof(*lsm)) @@ -1306,11 +1309,10 @@ echo_copyin_lsm(struct echo_device *ed, struct lov_stripe_md *lsm, ((__u64)lsm->lsm_stripe_size * lsm->lsm_stripe_count > ~0UL)) return -EINVAL; - for (i = 0; i < lsm->lsm_stripe_count; i++) { - if (copy_from_user(lsm->lsm_oinfo[i], - ((struct lov_stripe_md *)ulsm)-> \ - lsm_oinfo[i], - sizeof(lsm->lsm_oinfo[0]))) + for (i = 0, p = lsm->lsm_oinfo; i < lsm->lsm_stripe_count; i++, p++) { + struct lov_oinfo __user *up; + if (get_user(up, ulsm->lsm_oinfo + i) || + copy_from_user(*p, up, sizeof(struct lov_oinfo))) return -EFAULT; } return 0; diff --git a/drivers/thermal/intel_quark_dts_thermal.c b/drivers/thermal/intel_quark_dts_thermal.c index 5ed90e6..5d33b35 100644 --- a/drivers/thermal/intel_quark_dts_thermal.c +++ b/drivers/thermal/intel_quark_dts_thermal.c @@ -125,8 +125,8 @@ static int soc_dts_enable(struct thermal_zone_device *tzd) struct soc_sensor_entry *aux_entry = tzd->devdata; int ret; - ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ, - QRK_DTS_REG_OFFSET_ENABLE, &out); + ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ, + QRK_DTS_REG_OFFSET_ENABLE, &out); if (ret) return ret; @@ -137,8 +137,8 @@ static int soc_dts_enable(struct thermal_zone_device *tzd) if (!aux_entry->locked) { out |= QRK_DTS_ENABLE_BIT; - ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE, - QRK_DTS_REG_OFFSET_ENABLE, out); + ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE, + QRK_DTS_REG_OFFSET_ENABLE, out); if (ret) return ret; @@ -158,8 +158,8 @@ static int soc_dts_disable(struct thermal_zone_device *tzd) struct soc_sensor_entry *aux_entry = tzd->devdata; int ret; - ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ, - QRK_DTS_REG_OFFSET_ENABLE, &out); + ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ, + QRK_DTS_REG_OFFSET_ENABLE, &out); if (ret) return ret; @@ -170,8 +170,8 @@ static int soc_dts_disable(struct thermal_zone_device *tzd) if (!aux_entry->locked) { out &= ~QRK_DTS_ENABLE_BIT; - ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE, - QRK_DTS_REG_OFFSET_ENABLE, out); + ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE, + QRK_DTS_REG_OFFSET_ENABLE, out); if (ret) return ret; @@ -192,8 +192,8 @@ static int _get_trip_temp(int trip, int *temp) u32 out; mutex_lock(&dts_update_mutex); - status = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ, - QRK_DTS_REG_OFFSET_PTPS, &out); + status = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ, + QRK_DTS_REG_OFFSET_PTPS, &out); mutex_unlock(&dts_update_mutex); if (status) @@ -236,8 +236,8 @@ static int update_trip_temp(struct soc_sensor_entry *aux_entry, goto failed; } - ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ, - QRK_DTS_REG_OFFSET_PTPS, &store_ptps); + ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ, + QRK_DTS_REG_OFFSET_PTPS, &store_ptps); if (ret) goto failed; @@ -262,8 +262,8 @@ static int update_trip_temp(struct soc_sensor_entry *aux_entry, out |= (temp_out & QRK_DTS_MASK_TP_THRES) << (trip * QRK_DTS_SHIFT_TP); - ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE, - QRK_DTS_REG_OFFSET_PTPS, out); + ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE, + QRK_DTS_REG_OFFSET_PTPS, out); failed: mutex_unlock(&dts_update_mutex); @@ -294,8 +294,8 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd, int ret; mutex_lock(&dts_update_mutex); - ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ, - QRK_DTS_REG_OFFSET_TEMP, &out); + ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ, + QRK_DTS_REG_OFFSET_TEMP, &out); mutex_unlock(&dts_update_mutex); if (ret) @@ -350,13 +350,13 @@ static void free_soc_dts(struct soc_sensor_entry *aux_entry) if (aux_entry) { if (!aux_entry->locked) { mutex_lock(&dts_update_mutex); - iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE, - QRK_DTS_REG_OFFSET_ENABLE, - aux_entry->store_dts_enable); + iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE, + QRK_DTS_REG_OFFSET_ENABLE, + aux_entry->store_dts_enable); - iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE, - QRK_DTS_REG_OFFSET_PTPS, - aux_entry->store_ptps); + iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE, + QRK_DTS_REG_OFFSET_PTPS, + aux_entry->store_ptps); mutex_unlock(&dts_update_mutex); } thermal_zone_device_unregister(aux_entry->tzone); @@ -378,9 +378,8 @@ static struct soc_sensor_entry *alloc_soc_dts(void) } /* Check if DTS register is locked */ - err = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ, - QRK_DTS_REG_OFFSET_LOCK, - &out); + err = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ, + QRK_DTS_REG_OFFSET_LOCK, &out); if (err) goto err_ret; @@ -395,16 +394,16 @@ static struct soc_sensor_entry *alloc_soc_dts(void) /* Store DTS default state if DTS registers are not locked */ if (!aux_entry->locked) { /* Store DTS default enable for restore on exit */ - err = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ, - QRK_DTS_REG_OFFSET_ENABLE, - &aux_entry->store_dts_enable); + err = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ, + QRK_DTS_REG_OFFSET_ENABLE, + &aux_entry->store_dts_enable); if (err) goto err_ret; /* Store DTS default PTPS register for restore on exit */ - err = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ, - QRK_DTS_REG_OFFSET_PTPS, - &aux_entry->store_ptps); + err = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ, + QRK_DTS_REG_OFFSET_PTPS, + &aux_entry->store_ptps); if (err) goto err_ret; } diff --git a/drivers/thermal/intel_soc_dts_iosf.c b/drivers/thermal/intel_soc_dts_iosf.c index 5841d1d..f72e1db 100644 --- a/drivers/thermal/intel_soc_dts_iosf.c +++ b/drivers/thermal/intel_soc_dts_iosf.c @@ -90,7 +90,7 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzd, int trip, dts = tzd->devdata; sensors = dts->sensors; mutex_lock(&sensors->dts_update_lock); - status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, + status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, SOC_DTS_OFFSET_PTPS, &out); mutex_unlock(&sensors->dts_update_lock); if (status) @@ -124,27 +124,27 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts, temp_out = (sensors->tj_max - temp) / 1000; - status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, + status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, SOC_DTS_OFFSET_PTPS, &store_ptps); if (status) return status; out = (store_ptps & ~(0xFF << (thres_index * 8))); out |= (temp_out & 0xFF) << (thres_index * 8); - status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_OFFSET_PTPS, out); if (status) return status; pr_debug("update_trip_temp PTPS = %x\n", out); - status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, + status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, SOC_DTS_OFFSET_PTMC, &out); if (status) goto err_restore_ptps; store_ptmc = out; - status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, + status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, SOC_DTS_TE_AUX0 + thres_index, &te_out); if (status) @@ -167,12 +167,12 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts, out &= ~SOC_DTS_AUX0_ENABLE_BIT; te_out &= ~int_enable_bit; } - status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_OFFSET_PTMC, out); if (status) goto err_restore_te_out; - status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_TE_AUX0 + thres_index, te_out); if (status) @@ -182,13 +182,13 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts, return 0; err_restore_te_out: - iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_OFFSET_PTMC, store_te_out); err_restore_ptmc: - iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_OFFSET_PTMC, store_ptmc); err_restore_ptps: - iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_OFFSET_PTPS, store_ptps); /* Nothing we can do if restore fails */ @@ -235,7 +235,7 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd, dts = tzd->devdata; sensors = dts->sensors; - status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, + status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, SOC_DTS_OFFSET_TEMP, &out); if (status) return status; @@ -259,14 +259,14 @@ static int soc_dts_enable(int id) u32 out; int ret; - ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, + ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, SOC_DTS_OFFSET_ENABLE, &out); if (ret) return ret; if (!(out & BIT(id))) { out |= BIT(id); - ret = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + ret = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_OFFSET_ENABLE, out); if (ret) return ret; @@ -278,7 +278,7 @@ static int soc_dts_enable(int id) static void remove_dts_thermal_zone(struct intel_soc_dts_sensor_entry *dts) { if (dts) { - iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_OFFSET_ENABLE, dts->store_status); thermal_zone_device_unregister(dts->tzone); } @@ -296,9 +296,8 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts, int i; /* Store status to restor on exit */ - ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, - SOC_DTS_OFFSET_ENABLE, - &dts->store_status); + ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, + SOC_DTS_OFFSET_ENABLE, &dts->store_status); if (ret) goto err_ret; @@ -311,7 +310,7 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts, } /* Check if the writable trip we provide is not used by BIOS */ - ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, + ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, SOC_DTS_OFFSET_PTPS, &store_ptps); if (ret) trip_mask = 0; @@ -374,19 +373,19 @@ void intel_soc_dts_iosf_interrupt_handler(struct intel_soc_dts_sensors *sensors) spin_lock_irqsave(&sensors->intr_notify_lock, flags); - status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, + status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, SOC_DTS_OFFSET_PTMC, &ptmc_out); ptmc_out |= SOC_DTS_PTMC_APIC_DEASSERT_BIT; - status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_OFFSET_PTMC, ptmc_out); - status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, + status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, SOC_DTS_OFFSET_PTTSS, &sticky_out); pr_debug("status %d PTTSS %x\n", status, sticky_out); if (sticky_out & SOC_DTS_TRIP_MASK) { int i; /* reset sticky bit */ - status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE, + status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, SOC_DTS_OFFSET_PTTSS, sticky_out); spin_unlock_irqrestore(&sensors->intr_notify_lock, flags); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index ed77614..e49c2bce 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -2054,13 +2054,13 @@ static int canon_copy_from_read_buf(struct tty_struct *tty, size_t eol; size_t tail; int ret, found = 0; - bool eof_push = 0; /* N.B. avoid overrun if nr == 0 */ - n = min(*nr, smp_load_acquire(&ldata->canon_head) - ldata->read_tail); - if (!n) + if (!*nr) return 0; + n = min(*nr + 1, smp_load_acquire(&ldata->canon_head) - ldata->read_tail); + tail = ldata->read_tail & (N_TTY_BUF_SIZE - 1); size = min_t(size_t, tail + n, N_TTY_BUF_SIZE); @@ -2081,12 +2081,11 @@ static int canon_copy_from_read_buf(struct tty_struct *tty, n = eol - tail; if (n > N_TTY_BUF_SIZE) n += N_TTY_BUF_SIZE; - n += found; - c = n; + c = n + found; - if (found && !ldata->push && read_buf(ldata, eol) == __DISABLED_CHAR) { - n--; - eof_push = !n && ldata->read_tail != ldata->line_start; + if (!found || read_buf(ldata, eol) != __DISABLED_CHAR) { + c = min(*nr, c); + n = c; } n_tty_trace("%s: eol:%zu found:%d n:%zu c:%zu size:%zu more:%zu\n", @@ -2116,7 +2115,7 @@ static int canon_copy_from_read_buf(struct tty_struct *tty, ldata->push = 0; tty_audit_push(tty); } - return eof_push ? -EAGAIN : 0; + return 0; } extern ssize_t redirected_tty_write(struct file *, const char __user *, @@ -2273,10 +2272,7 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, if (ldata->icanon && !L_EXTPROC(tty)) { retval = canon_copy_from_read_buf(tty, &b, &nr); - if (retval == -EAGAIN) { - retval = 0; - continue; - } else if (retval) + if (retval) break; } else { int uncopied; diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c index d11621e..245edbb 100644 --- a/drivers/tty/serial/8250/8250_uniphier.c +++ b/drivers/tty/serial/8250/8250_uniphier.c @@ -115,12 +115,16 @@ static void uniphier_serial_out(struct uart_port *p, int offset, int value) */ static int uniphier_serial_dl_read(struct uart_8250_port *up) { - return readl(up->port.membase + UNIPHIER_UART_DLR); + int offset = UNIPHIER_UART_DLR << up->port.regshift; + + return readl(up->port.membase + offset); } static void uniphier_serial_dl_write(struct uart_8250_port *up, int value) { - writel(value, up->port.membase + UNIPHIER_UART_DLR); + int offset = UNIPHIER_UART_DLR << up->port.regshift; + + writel(value, up->port.membase + offset); } static int uniphier_of_serial_setup(struct device *dev, struct uart_port *port, diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c index f096360..b5b2f2b 100644 --- a/drivers/tty/serial/earlycon.c +++ b/drivers/tty/serial/earlycon.c @@ -115,6 +115,7 @@ static int __init register_earlycon(char *buf, const struct earlycon_id *match) if (buf && !parse_options(&early_console_dev, buf)) buf = NULL; + spin_lock_init(&port->lock); port->uartclk = BASE_BAUD * 16; if (port->mapbase) port->membase = earlycon_map(port->mapbase, 64); @@ -202,6 +203,7 @@ int __init of_setup_earlycon(unsigned long addr, int err; struct uart_port *port = &early_console_dev.port; + spin_lock_init(&port->lock); port->iotype = UPIO_MEM; port->mapbase = addr; port->uartclk = BASE_BAUD * 16; diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 960e50a..51c7507 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1437,7 +1437,7 @@ static void sci_request_dma(struct uart_port *port) sg_init_table(sg, 1); s->rx_buf[i] = buf; sg_dma_address(sg) = dma; - sg->length = s->buf_len_rx; + sg_dma_len(sg) = s->buf_len_rx; buf += s->buf_len_rx; dma += s->buf_len_rx; diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c index 0640318..ca0d380 100644 --- a/drivers/tty/serial/sunhv.c +++ b/drivers/tty/serial/sunhv.c @@ -148,8 +148,10 @@ static int receive_chars_read(struct uart_port *port) uart_handle_dcd_change(port, 1); } - for (i = 0; i < bytes_read; i++) - uart_handle_sysrq_char(port, con_read_page[i]); + if (port->sysrq != 0 && *con_read_page) { + for (i = 0; i < bytes_read; i++) + uart_handle_sysrq_char(port, con_read_page[i]); + } if (port->state == NULL) continue; @@ -168,17 +170,17 @@ struct sunhv_ops { int (*receive_chars)(struct uart_port *port); }; -static struct sunhv_ops bychar_ops = { +static const struct sunhv_ops bychar_ops = { .transmit_chars = transmit_chars_putchar, .receive_chars = receive_chars_getchar, }; -static struct sunhv_ops bywrite_ops = { +static const struct sunhv_ops bywrite_ops = { .transmit_chars = transmit_chars_write, .receive_chars = receive_chars_read, }; -static struct sunhv_ops *sunhv_ops = &bychar_ops; +static const struct sunhv_ops *sunhv_ops = &bychar_ops; static struct tty_port *receive_chars(struct uart_port *port) { diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 9a479e6..3cd31e0 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -450,7 +450,7 @@ receive_buf(struct tty_struct *tty, struct tty_buffer *head, int count) count = disc->ops->receive_buf2(tty, p, f, count); else { count = min_t(int, count, tty->receive_room); - if (count) + if (count && disc->ops->receive_buf) disc->ops->receive_buf(tty, p, f, count); } return count; diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index b30e742..26ca4f9 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1838,6 +1838,11 @@ static const struct usb_device_id acm_ids[] = { }, #endif + /* Exclude Infineon Flash Loader utility */ + { USB_DEVICE(0x058b, 0x0041), + .driver_info = IGNORE_DEVICE, + }, + /* control interfaces without any protocol set */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM, USB_CDC_PROTO_NONE) }, diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 7caff02..5050760 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -115,7 +115,8 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, USB_SS_MULT(desc->bmAttributes) > 3) { dev_warn(ddev, "Isoc endpoint has Mult of %d in " "config %d interface %d altsetting %d ep %d: " - "setting to 3\n", desc->bmAttributes + 1, + "setting to 3\n", + USB_SS_MULT(desc->bmAttributes), cfgno, inum, asnum, ep->desc.bEndpointAddress); ep->ss_ep_comp.bmAttributes = 2; } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index bdeadc1..ddbf32d 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -124,6 +124,10 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev) int usb_device_supports_lpm(struct usb_device *udev) { + /* Some devices have trouble with LPM */ + if (udev->quirks & USB_QUIRK_NO_LPM) + return 0; + /* USB 2.1 (and greater) devices indicate LPM support through * their USB 2.0 Extended Capabilities BOS descriptor. */ @@ -1031,10 +1035,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) unsigned delay; /* Continue a partial initialization */ - if (type == HUB_INIT2) - goto init2; - if (type == HUB_INIT3) + if (type == HUB_INIT2 || type == HUB_INIT3) { + device_lock(hub->intfdev); + + /* Was the hub disconnected while we were waiting? */ + if (hub->disconnected) { + device_unlock(hub->intfdev); + kref_put(&hub->kref, hub_release); + return; + } + if (type == HUB_INIT2) + goto init2; goto init3; + } + kref_get(&hub->kref); /* The superspeed hub except for root hub has to use Hub Depth * value as an offset into the route string to locate the bits @@ -1232,6 +1246,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) queue_delayed_work(system_power_efficient_wq, &hub->init_work, msecs_to_jiffies(delay)); + device_unlock(hub->intfdev); return; /* Continues at init3: below */ } else { msleep(delay); @@ -1253,6 +1268,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) /* Allow autosuspend if it was suppressed */ if (type <= HUB_INIT3) usb_autopm_put_interface_async(to_usb_interface(hub->intfdev)); + + if (type == HUB_INIT2 || type == HUB_INIT3) + device_unlock(hub->intfdev); + + kref_put(&hub->kref, hub_release); } /* Implement the continuations for the delays above */ @@ -4512,6 +4532,8 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, goto fail; } + usb_detect_quirks(udev); + if (udev->wusb == 0 && le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0201) { retval = usb_get_bos_descriptor(udev); if (!retval) { @@ -4710,7 +4732,6 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, if (status < 0) goto loop; - usb_detect_quirks(udev); if (udev->quirks & USB_QUIRK_DELAY_INIT) msleep(1000); @@ -5326,9 +5347,6 @@ static int usb_reset_and_verify_device(struct usb_device *udev) if (udev->usb2_hw_lpm_enabled == 1) usb_set_usb2_hardware_lpm(udev, 0); - bos = udev->bos; - udev->bos = NULL; - /* Disable LPM and LTM while we reset the device and reinstall the alt * settings. Device-initiated LPM settings, and system exit latency * settings are cleared when the device is reset, so we have to set @@ -5337,15 +5355,18 @@ static int usb_reset_and_verify_device(struct usb_device *udev) ret = usb_unlocked_disable_lpm(udev); if (ret) { dev_err(&udev->dev, "%s Failed to disable LPM\n.", __func__); - goto re_enumerate; + goto re_enumerate_no_bos; } ret = usb_disable_ltm(udev); if (ret) { dev_err(&udev->dev, "%s Failed to disable LTM\n.", __func__); - goto re_enumerate; + goto re_enumerate_no_bos; } + bos = udev->bos; + udev->bos = NULL; + for (i = 0; i < SET_CONFIG_TRIES; ++i) { /* ep0 maxpacket size may change; let the HCD know about it. @@ -5442,10 +5463,11 @@ done: return 0; re_enumerate: - /* LPM state doesn't matter when we're about to destroy the device. */ - hub_port_logical_disconnect(parent_hub, port1); usb_release_bos_descriptor(udev); udev->bos = bos; +re_enumerate_no_bos: + /* LPM state doesn't matter when we're about to destroy the device. */ + hub_port_logical_disconnect(parent_hub, port1); return -ENODEV; } diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index 2106183..5487fe308 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -206,7 +206,7 @@ static int link_peers(struct usb_port *left, struct usb_port *right) else method = "default"; - pr_warn("usb: failed to peer %s and %s by %s (%s:%s) (%s:%s)\n", + pr_debug("usb: failed to peer %s and %s by %s (%s:%s) (%s:%s)\n", dev_name(&left->dev), dev_name(&right->dev), method, dev_name(&left->dev), lpeer ? dev_name(&lpeer->dev) : "none", @@ -265,7 +265,7 @@ static void link_peers_report(struct usb_port *left, struct usb_port *right) if (rc == 0) { dev_dbg(&left->dev, "peered to %s\n", dev_name(&right->dev)); } else { - dev_warn(&left->dev, "failed to peer to %s (%d)\n", + dev_dbg(&left->dev, "failed to peer to %s (%d)\n", dev_name(&right->dev), rc); pr_warn_once("usb: port power management may be unreliable\n"); usb_port_block_power_off = 1; diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index f5a3819..6dc810b 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -125,6 +125,9 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x04f3, 0x016f), .driver_info = USB_QUIRK_DEVICE_QUALIFIER }, + { USB_DEVICE(0x04f3, 0x21b8), .driver_info = + USB_QUIRK_DEVICE_QUALIFIER }, + /* Roland SC-8820 */ { USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -199,6 +202,12 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x1a0a, 0x0200), .driver_info = USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, + /* Blackmagic Design Intensity Shuttle */ + { USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM }, + + /* Blackmagic Design UltraStudio SDI */ + { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM }, + { } /* terminating entry must be last */ }; diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index e61d773..39c1cbf 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -125,9 +125,11 @@ static int __dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg) if (ret) return ret; - ret = clk_prepare_enable(hsotg->clk); - if (ret) - return ret; + if (hsotg->clk) { + ret = clk_prepare_enable(hsotg->clk); + if (ret) + return ret; + } if (hsotg->uphy) ret = usb_phy_init(hsotg->uphy); @@ -175,7 +177,8 @@ static int __dwc2_lowlevel_hw_disable(struct dwc2_hsotg *hsotg) if (ret) return ret; - clk_disable_unprepare(hsotg->clk); + if (hsotg->clk) + clk_disable_unprepare(hsotg->clk); ret = regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -212,14 +215,41 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg) */ hsotg->phy = devm_phy_get(hsotg->dev, "usb2-phy"); if (IS_ERR(hsotg->phy)) { - hsotg->phy = NULL; + ret = PTR_ERR(hsotg->phy); + switch (ret) { + case -ENODEV: + case -ENOSYS: + hsotg->phy = NULL; + break; + case -EPROBE_DEFER: + return ret; + default: + dev_err(hsotg->dev, "error getting phy %d\n", ret); + return ret; + } + } + + if (!hsotg->phy) { hsotg->uphy = devm_usb_get_phy(hsotg->dev, USB_PHY_TYPE_USB2); - if (IS_ERR(hsotg->uphy)) - hsotg->uphy = NULL; - else - hsotg->plat = dev_get_platdata(hsotg->dev); + if (IS_ERR(hsotg->uphy)) { + ret = PTR_ERR(hsotg->uphy); + switch (ret) { + case -ENODEV: + case -ENXIO: + hsotg->uphy = NULL; + break; + case -EPROBE_DEFER: + return ret; + default: + dev_err(hsotg->dev, "error getting usb phy %d\n", + ret); + return ret; + } + } } + hsotg->plat = dev_get_platdata(hsotg->dev); + if (hsotg->phy) { /* * If using the generic PHY framework, check if the PHY bus @@ -229,11 +259,6 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg) hsotg->phyif = GUSBCFG_PHYIF8; } - if (!hsotg->phy && !hsotg->uphy && !hsotg->plat) { - dev_err(hsotg->dev, "no platform data or transceiver defined\n"); - return -EPROBE_DEFER; - } - /* Clock */ hsotg->clk = devm_clk_get(hsotg->dev, "otg"); if (IS_ERR(hsotg->clk)) { @@ -342,20 +367,6 @@ static int dwc2_driver_probe(struct platform_device *dev) if (retval) return retval; - irq = platform_get_irq(dev, 0); - if (irq < 0) { - dev_err(&dev->dev, "missing IRQ resource\n"); - return irq; - } - - dev_dbg(hsotg->dev, "registering common handler for irq%d\n", - irq); - retval = devm_request_irq(hsotg->dev, irq, - dwc2_handle_common_intr, IRQF_SHARED, - dev_name(hsotg->dev), hsotg); - if (retval) - return retval; - res = platform_get_resource(dev, IORESOURCE_MEM, 0); hsotg->regs = devm_ioremap_resource(&dev->dev, res); if (IS_ERR(hsotg->regs)) @@ -390,6 +401,20 @@ static int dwc2_driver_probe(struct platform_device *dev) dwc2_set_all_params(hsotg->core_params, -1); + irq = platform_get_irq(dev, 0); + if (irq < 0) { + dev_err(&dev->dev, "missing IRQ resource\n"); + return irq; + } + + dev_dbg(hsotg->dev, "registering common handler for irq%d\n", + irq); + retval = devm_request_irq(hsotg->dev, irq, + dwc2_handle_common_intr, IRQF_SHARED, + dev_name(hsotg->dev), hsotg); + if (retval) + return retval; + retval = dwc2_lowlevel_hw_enable(hsotg); if (retval) return retval; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index e24a01c..a58376f 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1078,6 +1078,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) * little bit faster. */ if (!usb_endpoint_xfer_isoc(dep->endpoint.desc) && + !usb_endpoint_xfer_int(dep->endpoint.desc) && !(dep->flags & DWC3_EP_BUSY)) { ret = __dwc3_gadget_kick_transfer(dep, 0, true); goto out; diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index adc6d52..cf43e9e 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -423,7 +423,7 @@ static ssize_t __ffs_ep0_read_events(struct ffs_data *ffs, char __user *buf, spin_unlock_irq(&ffs->ev.waitq.lock); mutex_unlock(&ffs->mutex); - return unlikely(__copy_to_user(buf, events, size)) ? -EFAULT : size; + return unlikely(copy_to_user(buf, events, size)) ? -EFAULT : size; } static ssize_t ffs_ep0_read(struct file *file, char __user *buf, @@ -513,7 +513,7 @@ static ssize_t ffs_ep0_read(struct file *file, char __user *buf, /* unlocks spinlock */ ret = __ffs_ep0_queue_wait(ffs, data, len); - if (likely(ret > 0) && unlikely(__copy_to_user(buf, data, len))) + if (likely(ret > 0) && unlikely(copy_to_user(buf, data, len))) ret = -EFAULT; goto done_mutex; @@ -3493,7 +3493,7 @@ static char *ffs_prepare_buffer(const char __user *buf, size_t len) if (unlikely(!data)) return ERR_PTR(-ENOMEM); - if (unlikely(__copy_from_user(data, buf, len))) { + if (unlikely(copy_from_user(data, buf, len))) { kfree(data); return ERR_PTR(-EFAULT); } diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 42acb45..898a570 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -370,6 +370,7 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt) if (err) { ERROR(midi, "%s queue req: %d\n", midi->out_ep->name, err); + free_ep_req(midi->out_ep, req); } } @@ -545,7 +546,7 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req) } } - if (req->length > 0) { + if (req->length > 0 && ep->enabled) { int err; err = usb_ep_queue(ep, req, GFP_ATOMIC); diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c index 289ebca..ad8c9b0 100644 --- a/drivers/usb/gadget/function/uvc_configfs.c +++ b/drivers/usb/gadget/function/uvc_configfs.c @@ -20,7 +20,7 @@ #define UVC_ATTR(prefix, cname, aname) \ static struct configfs_attribute prefix##attr_##cname = { \ .ca_name = __stringify(aname), \ - .ca_mode = S_IRUGO, \ + .ca_mode = S_IRUGO | S_IWUGO, \ .ca_owner = THIS_MODULE, \ .show = prefix##cname##_show, \ .store = prefix##cname##_store, \ diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c index 670ac0b..001a3b7 100644 --- a/drivers/usb/gadget/udc/pxa27x_udc.c +++ b/drivers/usb/gadget/udc/pxa27x_udc.c @@ -2536,6 +2536,9 @@ static int pxa_udc_suspend(struct platform_device *_dev, pm_message_t state) udc->pullup_resume = udc->pullup_on; dplus_pullup(udc, 0); + if (udc->driver) + udc->driver->disconnect(&udc->gadget); + return 0; } diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 342ffd1..8c6e15b 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -473,6 +473,8 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) if (!pdata) return -ENOMEM; + pdev->dev.platform_data = pdata; + if (!of_property_read_u32(np, "num-ports", &ports)) pdata->ports = ports; @@ -483,6 +485,7 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) */ if (i >= pdata->ports) { pdata->vbus_pin[i] = -EINVAL; + pdata->overcurrent_pin[i] = -EINVAL; continue; } @@ -513,10 +516,8 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) } at91_for_each_port(i) { - if (i >= pdata->ports) { - pdata->overcurrent_pin[i] = -EINVAL; - continue; - } + if (i >= pdata->ports) + break; pdata->overcurrent_pin[i] = of_get_named_gpio_flags(np, "atmel,oc-gpio", i, &flags); @@ -552,8 +553,6 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) } } - pdev->dev.platform_data = pdata; - device_init_wakeup(&pdev->dev, 1); return usb_hcd_at91_probe(&ohci_at91_hc_driver, pdev); } diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index dc31c42..9f1c053 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -377,6 +377,10 @@ static int qset_fill_page_list(struct whc *whc, struct whc_std *std, gfp_t mem_f if (std->pl_virt == NULL) return -ENOMEM; std->dma_addr = dma_map_single(whc->wusbhc.dev, std->pl_virt, pl_len, DMA_TO_DEVICE); + if (dma_mapping_error(whc->wusbhc.dev, std->dma_addr)) { + kfree(std->pl_virt); + return -EFAULT; + } for (p = 0; p < std->num_pointers; p++) { std->pl_virt[p].buf_ptr = cpu_to_le64(dma_addr); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 0230965..f980c23 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -733,8 +733,30 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, if ((raw_port_status & PORT_RESET) || !(raw_port_status & PORT_PE)) return 0xffffffff; - if (time_after_eq(jiffies, - bus_state->resume_done[wIndex])) { + /* did port event handler already start resume timing? */ + if (!bus_state->resume_done[wIndex]) { + /* If not, maybe we are in a host initated resume? */ + if (test_bit(wIndex, &bus_state->resuming_ports)) { + /* Host initated resume doesn't time the resume + * signalling using resume_done[]. + * It manually sets RESUME state, sleeps 20ms + * and sets U0 state. This should probably be + * changed, but not right now. + */ + } else { + /* port resume was discovered now and here, + * start resume timing + */ + unsigned long timeout = jiffies + + msecs_to_jiffies(USB_RESUME_TIMEOUT); + + set_bit(wIndex, &bus_state->resuming_ports); + bus_state->resume_done[wIndex] = timeout; + mod_timer(&hcd->rh_timer, timeout); + } + /* Has resume been signalled for USB_RESUME_TIME yet? */ + } else if (time_after_eq(jiffies, + bus_state->resume_done[wIndex])) { int time_left; xhci_dbg(xhci, "Resume USB2 port %d\n", @@ -775,13 +797,26 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, } else { /* * The resume has been signaling for less than - * 20ms. Report the port status as SUSPEND, - * let the usbcore check port status again - * and clear resume signaling later. + * USB_RESUME_TIME. Report the port status as SUSPEND, + * let the usbcore check port status again and clear + * resume signaling later. */ status |= USB_PORT_STAT_SUSPEND; } } + /* + * Clear stale usb2 resume signalling variables in case port changed + * state during resume signalling. For example on error + */ + if ((bus_state->resume_done[wIndex] || + test_bit(wIndex, &bus_state->resuming_ports)) && + (raw_port_status & PORT_PLS_MASK) != XDEV_U3 && + (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) { + bus_state->resume_done[wIndex] = 0; + clear_bit(wIndex, &bus_state->resuming_ports); + } + + if ((raw_port_status & PORT_PLS_MASK) == XDEV_U0 && (raw_port_status & PORT_POWER)) { if (bus_state->suspended_ports & (1 << wIndex)) { @@ -1115,6 +1150,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, if ((temp & PORT_PE) == 0) goto error; + set_bit(wIndex, &bus_state->resuming_ports); xhci_set_link_state(xhci, port_array, wIndex, XDEV_RESUME); spin_unlock_irqrestore(&xhci->lock, flags); @@ -1122,6 +1158,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, spin_lock_irqsave(&xhci->lock, flags); xhci_set_link_state(xhci, port_array, wIndex, XDEV_U0); + clear_bit(wIndex, &bus_state->resuming_ports); } bus_state->port_c_suspend |= 1 << wIndex; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 17f6897..c621090 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -188,10 +188,14 @@ static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) 0xb7, 0x0c, 0x34, 0xac, 0x01, 0xe9, 0xbf, 0x45, 0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23, }; - acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, NULL); + union acpi_object *obj; + + obj = acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, + NULL); + ACPI_FREE(obj); } #else - static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { } +static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { } #endif /* CONFIG_ACPI */ /* called during probe() after chip reset completes */ diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 6c5e813..eeaa6c6 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1583,7 +1583,8 @@ static void handle_port_status(struct xhci_hcd *xhci, */ bogus_port_status = true; goto cleanup; - } else { + } else if (!test_bit(faked_port_index, + &bus_state->resuming_ports)) { xhci_dbg(xhci, "resume HS port %d\n", port_id); bus_state->resume_done[faked_port_index] = jiffies + msecs_to_jiffies(USB_RESUME_TIMEOUT); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index dfa44d3..3f91270 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -4778,8 +4778,16 @@ int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev, ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG); slot_ctx = xhci_get_slot_ctx(xhci, config_cmd->in_ctx); slot_ctx->dev_info |= cpu_to_le32(DEV_HUB); + /* + * refer to section 6.2.2: MTT should be 0 for full speed hub, + * but it may be already set to 1 when setup an xHCI virtual + * device, so clear it anyway. + */ if (tt->multi) slot_ctx->dev_info |= cpu_to_le32(DEV_MTT); + else if (hdev->speed == USB_SPEED_FULL) + slot_ctx->dev_info &= cpu_to_le32(~DEV_MTT); + if (xhci->hci_version > 0x95) { xhci_dbg(xhci, "xHCI version %x needs hub " "TT think time and number of ports\n", diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index 1f2037b..45c83ba 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -159,7 +159,7 @@ config USB_TI_CPPI_DMA config USB_TI_CPPI41_DMA bool 'TI CPPI 4.1 (AM335x)' - depends on ARCH_OMAP + depends on ARCH_OMAP && DMADEVICES select TI_CPPI41 config USB_TUSB_OMAP_DMA diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 18cfc0a..ee9ff70 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2017,7 +2017,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) /* We need musb_read/write functions initialized for PM */ pm_runtime_use_autosuspend(musb->controller); pm_runtime_set_autosuspend_delay(musb->controller, 200); - pm_runtime_irq_safe(musb->controller); pm_runtime_enable(musb->controller); /* The musb_platform_init() call: @@ -2095,6 +2094,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) #ifndef CONFIG_MUSB_PIO_ONLY if (!musb->ops->dma_init || !musb->ops->dma_exit) { dev_err(dev, "DMA controller not set\n"); + status = -ENODEV; goto fail2; } musb_dma_controller_create = musb->ops->dma_init; @@ -2218,6 +2218,12 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) pm_runtime_put(musb->controller); + /* + * For why this is currently needed, see commit 3e43a0725637 + * ("usb: musb: core: add pm_runtime_irq_safe()") + */ + pm_runtime_irq_safe(musb->controller); + return 0; fail5: diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c index 80eb991..0d19a6d 100644 --- a/drivers/usb/phy/phy-msm-usb.c +++ b/drivers/usb/phy/phy-msm-usb.c @@ -1506,7 +1506,6 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) { struct msm_otg_platform_data *pdata; struct extcon_dev *ext_id, *ext_vbus; - const struct of_device_id *id; struct device_node *node = pdev->dev.of_node; struct property *prop; int len, ret, words; @@ -1518,8 +1517,9 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) motg->pdata = pdata; - id = of_match_device(msm_otg_dt_match, &pdev->dev); - pdata->phy_type = (enum msm_usb_phy_type) id->data; + pdata->phy_type = (enum msm_usb_phy_type)of_device_get_match_data(&pdev->dev); + if (!pdata->phy_type) + return 1; motg->link_rst = devm_reset_control_get(&pdev->dev, "link"); if (IS_ERR(motg->link_rst)) diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index b7536af..c2936dc 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -143,12 +143,17 @@ static const struct mxs_phy_data imx6sx_phy_data = { .flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS, }; +static const struct mxs_phy_data imx6ul_phy_data = { + .flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS, +}; + static const struct of_device_id mxs_phy_dt_ids[] = { { .compatible = "fsl,imx6sx-usbphy", .data = &imx6sx_phy_data, }, { .compatible = "fsl,imx6sl-usbphy", .data = &imx6sl_phy_data, }, { .compatible = "fsl,imx6q-usbphy", .data = &imx6q_phy_data, }, { .compatible = "fsl,imx23-usbphy", .data = &imx23_phy_data, }, { .compatible = "fsl,vf610-usbphy", .data = &vf610_phy_data, }, + { .compatible = "fsl,imx6ul-usbphy", .data = &imx6ul_phy_data, }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, mxs_phy_dt_ids); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index de4f97d..8f7a78e 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -131,7 +131,8 @@ static void __usbhsg_queue_pop(struct usbhsg_uep *uep, struct device *dev = usbhsg_gpriv_to_dev(gpriv); struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv); - dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe)); + if (pipe) + dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe)); ureq->req.status = status; spin_unlock(usbhs_priv_to_lock(priv)); @@ -685,7 +686,13 @@ static int usbhsg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) struct usbhsg_request *ureq = usbhsg_req_to_ureq(req); struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); - usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq)); + if (pipe) + usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq)); + + /* + * To dequeue a request, this driver should call the usbhsg_queue_pop() + * even if the pipe is NULL. + */ usbhsg_queue_pop(uep, ureq, -ECONNRESET); return 0; diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index eac7cca..7d4f51a 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -132,7 +132,6 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */ - { USB_DEVICE(0x10C4, 0xEA80) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */ { USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */ { USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */ diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index f51a5d5..ec1b8f2 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -531,7 +531,8 @@ static int ipaq_open(struct tty_struct *tty, * through. Since this has a reasonably high failure rate, we retry * several times. */ - while (retries--) { + while (retries) { + retries--; result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21, 0x1, 0, NULL, 0, 100); diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c index 3658662..a204782 100644 --- a/drivers/usb/serial/usb-serial-simple.c +++ b/drivers/usb/serial/usb-serial-simple.c @@ -53,6 +53,7 @@ DEVICE(funsoft, FUNSOFT_IDS); /* Infineon Flashloader driver */ #define FLASHLOADER_IDS() \ + { USB_DEVICE_INTERFACE_CLASS(0x058b, 0x0041, USB_CLASS_CDC_DATA) }, \ { USB_DEVICE(0x8087, 0x0716) } DEVICE(flashloader, FLASHLOADER_IDS); diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index e691516..5c66d3f 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -796,6 +796,10 @@ static int uas_slave_configure(struct scsi_device *sdev) if (devinfo->flags & US_FL_NO_REPORT_OPCODES) sdev->no_report_opcodes = 1; + /* A few buggy USB-ATA bridges don't understand FUA */ + if (devinfo->flags & US_FL_BROKEN_FUA) + sdev->broken_fua = 1; + scsi_change_queue_depth(sdev, devinfo->qdepth - 2); return 0; } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 6b24791..7ffe420 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1987,7 +1987,7 @@ UNUSUAL_DEV( 0x14cd, 0x6600, 0x0201, 0x0201, US_FL_IGNORE_RESIDUE ), /* Reported by Michael Büsch <m@bues.ch> */ -UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0114, +UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0116, "JMicron", "USB to ATA/ATAPI Bridge", USB_SC_DEVICE, USB_PR_DEVICE, NULL, diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index c85ea53..ccc113e 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -132,7 +132,7 @@ UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999, "JMicron", "JMS567", USB_SC_DEVICE, USB_PR_DEVICE, NULL, - US_FL_NO_REPORT_OPCODES), + US_FL_BROKEN_FUA | US_FL_NO_REPORT_OPCODES), /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999, diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig index da6e2ce..850d86c 100644 --- a/drivers/vfio/Kconfig +++ b/drivers/vfio/Kconfig @@ -31,21 +31,6 @@ menuconfig VFIO If you don't know what to do here, say N. -menuconfig VFIO_NOIOMMU - bool "VFIO No-IOMMU support" - depends on VFIO - help - VFIO is built on the ability to isolate devices using the IOMMU. - Only with an IOMMU can userspace access to DMA capable devices be - considered secure. VFIO No-IOMMU mode enables IOMMU groups for - devices without IOMMU backing for the purpose of re-using the VFIO - infrastructure in a non-secure mode. Use of this mode will result - in an unsupportable kernel and will therefore taint the kernel. - Device assignment to virtual machines is also not possible with - this mode since there is no IOMMU to provide DMA translation. - - If you don't know what to do here, say N. - source "drivers/vfio/pci/Kconfig" source "drivers/vfio/platform/Kconfig" source "virt/lib/Kconfig" diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 32b88bd..56bf6db 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -940,13 +940,13 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (pdev->hdr_type != PCI_HEADER_TYPE_NORMAL) return -EINVAL; - group = vfio_iommu_group_get(&pdev->dev); + group = iommu_group_get(&pdev->dev); if (!group) return -EINVAL; vdev = kzalloc(sizeof(*vdev), GFP_KERNEL); if (!vdev) { - vfio_iommu_group_put(group, &pdev->dev); + iommu_group_put(group); return -ENOMEM; } @@ -957,7 +957,7 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) ret = vfio_add_group_dev(&pdev->dev, &vfio_pci_ops, vdev); if (ret) { - vfio_iommu_group_put(group, &pdev->dev); + iommu_group_put(group); kfree(vdev); return ret; } @@ -993,7 +993,7 @@ static void vfio_pci_remove(struct pci_dev *pdev) if (!vdev) return; - vfio_iommu_group_put(pdev->dev.iommu_group, &pdev->dev); + iommu_group_put(pdev->dev.iommu_group); kfree(vdev); if (vfio_pci_is_vga(pdev)) { @@ -1035,7 +1035,7 @@ static pci_ers_result_t vfio_pci_aer_err_detected(struct pci_dev *pdev, return PCI_ERS_RESULT_CAN_RECOVER; } -static struct pci_error_handlers vfio_err_handlers = { +static const struct pci_error_handlers vfio_err_handlers = { .error_detected = vfio_pci_aer_err_detected, }; diff --git a/drivers/vfio/platform/vfio_platform.c b/drivers/vfio/platform/vfio_platform.c index f1625dc..b1cc3a7 100644 --- a/drivers/vfio/platform/vfio_platform.c +++ b/drivers/vfio/platform/vfio_platform.c @@ -92,7 +92,6 @@ static struct platform_driver vfio_platform_driver = { .remove = vfio_platform_remove, .driver = { .name = "vfio-platform", - .owner = THIS_MODULE, }, }; diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index a1c50d6..418cdd9 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -51,13 +51,10 @@ static vfio_platform_reset_fn_t vfio_platform_lookup_reset(const char *compat, static void vfio_platform_get_reset(struct vfio_platform_device *vdev) { - char modname[256]; - vdev->reset = vfio_platform_lookup_reset(vdev->compat, &vdev->reset_module); if (!vdev->reset) { - snprintf(modname, 256, "vfio-reset:%s", vdev->compat); - request_module(modname); + request_module("vfio-reset:%s", vdev->compat); vdev->reset = vfio_platform_lookup_reset(vdev->compat, &vdev->reset_module); } diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index de632da..6070b79 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -62,7 +62,6 @@ struct vfio_container { struct rw_semaphore group_lock; struct vfio_iommu_driver *iommu_driver; void *iommu_data; - bool noiommu; }; struct vfio_unbound_dev { @@ -85,7 +84,6 @@ struct vfio_group { struct list_head unbound_list; struct mutex unbound_lock; atomic_t opened; - bool noiommu; }; struct vfio_device { @@ -97,147 +95,6 @@ struct vfio_device { void *device_data; }; -#ifdef CONFIG_VFIO_NOIOMMU -static bool noiommu __read_mostly; -module_param_named(enable_unsafe_noiommu_support, - noiommu, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(enable_unsafe_noiommu_mode, "Enable UNSAFE, no-IOMMU mode. This mode provides no device isolation, no DMA translation, no host kernel protection, cannot be used for device assignment to virtual machines, requires RAWIO permissions, and will taint the kernel. If you do not know what this is for, step away. (default: false)"); -#endif - -/* - * vfio_iommu_group_{get,put} are only intended for VFIO bus driver probe - * and remove functions, any use cases other than acquiring the first - * reference for the purpose of calling vfio_add_group_dev() or removing - * that symmetric reference after vfio_del_group_dev() should use the raw - * iommu_group_{get,put} functions. In particular, vfio_iommu_group_put() - * removes the device from the dummy group and cannot be nested. - */ -struct iommu_group *vfio_iommu_group_get(struct device *dev) -{ - struct iommu_group *group; - int __maybe_unused ret; - - group = iommu_group_get(dev); - -#ifdef CONFIG_VFIO_NOIOMMU - /* - * With noiommu enabled, an IOMMU group will be created for a device - * that doesn't already have one and doesn't have an iommu_ops on their - * bus. We use iommu_present() again in the main code to detect these - * fake groups. - */ - if (group || !noiommu || iommu_present(dev->bus)) - return group; - - group = iommu_group_alloc(); - if (IS_ERR(group)) - return NULL; - - iommu_group_set_name(group, "vfio-noiommu"); - ret = iommu_group_add_device(group, dev); - iommu_group_put(group); - if (ret) - return NULL; - - /* - * Where to taint? At this point we've added an IOMMU group for a - * device that is not backed by iommu_ops, therefore any iommu_ - * callback using iommu_ops can legitimately Oops. So, while we may - * be about to give a DMA capable device to a user without IOMMU - * protection, which is clearly taint-worthy, let's go ahead and do - * it here. - */ - add_taint(TAINT_USER, LOCKDEP_STILL_OK); - dev_warn(dev, "Adding kernel taint for vfio-noiommu group on device\n"); -#endif - - return group; -} -EXPORT_SYMBOL_GPL(vfio_iommu_group_get); - -void vfio_iommu_group_put(struct iommu_group *group, struct device *dev) -{ -#ifdef CONFIG_VFIO_NOIOMMU - if (!iommu_present(dev->bus)) - iommu_group_remove_device(dev); -#endif - - iommu_group_put(group); -} -EXPORT_SYMBOL_GPL(vfio_iommu_group_put); - -#ifdef CONFIG_VFIO_NOIOMMU -static void *vfio_noiommu_open(unsigned long arg) -{ - if (arg != VFIO_NOIOMMU_IOMMU) - return ERR_PTR(-EINVAL); - if (!capable(CAP_SYS_RAWIO)) - return ERR_PTR(-EPERM); - - return NULL; -} - -static void vfio_noiommu_release(void *iommu_data) -{ -} - -static long vfio_noiommu_ioctl(void *iommu_data, - unsigned int cmd, unsigned long arg) -{ - if (cmd == VFIO_CHECK_EXTENSION) - return arg == VFIO_NOIOMMU_IOMMU ? 1 : 0; - - return -ENOTTY; -} - -static int vfio_iommu_present(struct device *dev, void *unused) -{ - return iommu_present(dev->bus) ? 1 : 0; -} - -static int vfio_noiommu_attach_group(void *iommu_data, - struct iommu_group *iommu_group) -{ - return iommu_group_for_each_dev(iommu_group, NULL, - vfio_iommu_present) ? -EINVAL : 0; -} - -static void vfio_noiommu_detach_group(void *iommu_data, - struct iommu_group *iommu_group) -{ -} - -static struct vfio_iommu_driver_ops vfio_noiommu_ops = { - .name = "vfio-noiommu", - .owner = THIS_MODULE, - .open = vfio_noiommu_open, - .release = vfio_noiommu_release, - .ioctl = vfio_noiommu_ioctl, - .attach_group = vfio_noiommu_attach_group, - .detach_group = vfio_noiommu_detach_group, -}; - -static struct vfio_iommu_driver vfio_noiommu_driver = { - .ops = &vfio_noiommu_ops, -}; - -/* - * Wrap IOMMU drivers, the noiommu driver is the one and only driver for - * noiommu groups (and thus containers) and not available for normal groups. - */ -#define vfio_for_each_iommu_driver(con, pos) \ - for (pos = con->noiommu ? &vfio_noiommu_driver : \ - list_first_entry(&vfio.iommu_drivers_list, \ - struct vfio_iommu_driver, vfio_next); \ - (con->noiommu ? pos != NULL : \ - &pos->vfio_next != &vfio.iommu_drivers_list); \ - pos = con->noiommu ? NULL : list_next_entry(pos, vfio_next)) -#else -#define vfio_for_each_iommu_driver(con, pos) \ - list_for_each_entry(pos, &vfio.iommu_drivers_list, vfio_next) -#endif - - /** * IOMMU driver registration */ @@ -342,8 +199,7 @@ static void vfio_group_unlock_and_free(struct vfio_group *group) /** * Group objects - create, release, get, put, search */ -static struct vfio_group *vfio_create_group(struct iommu_group *iommu_group, - bool noiommu) +static struct vfio_group *vfio_create_group(struct iommu_group *iommu_group) { struct vfio_group *group, *tmp; struct device *dev; @@ -361,7 +217,6 @@ static struct vfio_group *vfio_create_group(struct iommu_group *iommu_group, atomic_set(&group->container_users, 0); atomic_set(&group->opened, 0); group->iommu_group = iommu_group; - group->noiommu = noiommu; group->nb.notifier_call = vfio_iommu_group_notifier; @@ -397,8 +252,7 @@ static struct vfio_group *vfio_create_group(struct iommu_group *iommu_group, dev = device_create(vfio.class, NULL, MKDEV(MAJOR(vfio.group_devt), minor), - group, "%s%d", noiommu ? "noiommu-" : "", - iommu_group_id(iommu_group)); + group, "%d", iommu_group_id(iommu_group)); if (IS_ERR(dev)) { vfio_free_group_minor(minor); vfio_group_unlock_and_free(group); @@ -682,7 +536,7 @@ static int vfio_group_nb_add_dev(struct vfio_group *group, struct device *dev) return 0; /* TODO Prevent device auto probing */ - WARN("Device %s added to live group %d!\n", dev_name(dev), + WARN(1, "Device %s added to live group %d!\n", dev_name(dev), iommu_group_id(group->iommu_group)); return 0; @@ -786,8 +640,7 @@ int vfio_add_group_dev(struct device *dev, group = vfio_group_get_from_iommu(iommu_group); if (!group) { - group = vfio_create_group(iommu_group, - !iommu_present(dev->bus)); + group = vfio_create_group(iommu_group); if (IS_ERR(group)) { iommu_group_put(iommu_group); return PTR_ERR(group); @@ -999,7 +852,8 @@ static long vfio_ioctl_check_extension(struct vfio_container *container, */ if (!driver) { mutex_lock(&vfio.iommu_drivers_lock); - vfio_for_each_iommu_driver(container, driver) { + list_for_each_entry(driver, &vfio.iommu_drivers_list, + vfio_next) { if (!try_module_get(driver->ops->owner)) continue; @@ -1068,7 +922,7 @@ static long vfio_ioctl_set_iommu(struct vfio_container *container, } mutex_lock(&vfio.iommu_drivers_lock); - vfio_for_each_iommu_driver(container, driver) { + list_for_each_entry(driver, &vfio.iommu_drivers_list, vfio_next) { void *data; if (!try_module_get(driver->ops->owner)) @@ -1333,9 +1187,6 @@ static int vfio_group_set_container(struct vfio_group *group, int container_fd) if (atomic_read(&group->container_users)) return -EINVAL; - if (group->noiommu && !capable(CAP_SYS_RAWIO)) - return -EPERM; - f = fdget(container_fd); if (!f.file) return -EBADF; @@ -1351,13 +1202,6 @@ static int vfio_group_set_container(struct vfio_group *group, int container_fd) down_write(&container->group_lock); - /* Real groups and fake groups cannot mix */ - if (!list_empty(&container->group_list) && - container->noiommu != group->noiommu) { - ret = -EPERM; - goto unlock_out; - } - driver = container->iommu_driver; if (driver) { ret = driver->ops->attach_group(container->iommu_data, @@ -1367,7 +1211,6 @@ static int vfio_group_set_container(struct vfio_group *group, int container_fd) } group->container = container; - container->noiommu = group->noiommu; list_add(&group->container_next, &container->group_list); /* Get a reference on the container and mark a user within the group */ @@ -1398,9 +1241,6 @@ static int vfio_group_get_device_fd(struct vfio_group *group, char *buf) !group->container->iommu_driver || !vfio_group_viable(group)) return -EINVAL; - if (group->noiommu && !capable(CAP_SYS_RAWIO)) - return -EPERM; - device = vfio_device_get_from_name(group, buf); if (!device) return -ENODEV; @@ -1443,10 +1283,6 @@ static int vfio_group_get_device_fd(struct vfio_group *group, char *buf) fd_install(ret, filep); - if (group->noiommu) - dev_warn(device->dev, "vfio-noiommu device opened by user " - "(%s:%d)\n", current->comm, task_pid_nr(current)); - return ret; } @@ -1535,11 +1371,6 @@ static int vfio_group_fops_open(struct inode *inode, struct file *filep) if (!group) return -ENODEV; - if (group->noiommu && !capable(CAP_SYS_RAWIO)) { - vfio_group_put(group); - return -EPERM; - } - /* Do we need multiple instances of the group open? Seems not. */ opened = atomic_cmpxchg(&group->opened, 0, 1); if (opened) { @@ -1702,11 +1533,6 @@ struct vfio_group *vfio_group_get_external_user(struct file *filep) if (!atomic_inc_not_zero(&group->container_users)) return ERR_PTR(-EINVAL); - if (group->noiommu) { - atomic_dec(&group->container_users); - return ERR_PTR(-EPERM); - } - if (!group->container->iommu_driver || !vfio_group_viable(group)) { atomic_dec(&group->container_users); diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index eec2f11..ad2146a 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -819,7 +819,7 @@ long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp) BUILD_BUG_ON(__alignof__ *vq->used > VRING_USED_ALIGN_SIZE); if ((a.avail_user_addr & (VRING_AVAIL_ALIGN_SIZE - 1)) || (a.used_user_addr & (VRING_USED_ALIGN_SIZE - 1)) || - (a.log_guest_addr & (sizeof(u64) - 1))) { + (a.log_guest_addr & (VRING_USED_ALIGN_SIZE - 1))) { r = -EINVAL; break; } @@ -1369,7 +1369,7 @@ int vhost_get_vq_desc(struct vhost_virtqueue *vq, /* Grab the next descriptor number they're advertising, and increment * the index we've seen. */ if (unlikely(__get_user(ring_head, - &vq->avail->ring[last_avail_idx % vq->num]))) { + &vq->avail->ring[last_avail_idx & (vq->num - 1)]))) { vq_err(vq, "Failed to read head: idx %d address %p\n", last_avail_idx, &vq->avail->ring[last_avail_idx % vq->num]); @@ -1489,7 +1489,7 @@ static int __vhost_add_used_n(struct vhost_virtqueue *vq, u16 old, new; int start; - start = vq->last_used_idx % vq->num; + start = vq->last_used_idx & (vq->num - 1); used = vq->used->ring + start; if (count == 1) { if (__put_user(heads[0].id, &used->id)) { @@ -1531,7 +1531,7 @@ int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads, { int start, n, r; - start = vq->last_used_idx % vq->num; + start = vq->last_used_idx & (vq->num - 1); n = vq->num - start; if (n < count) { r = __vhost_add_used_n(vq, heads, n); diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c index b335c1a..fe00a07 100644 --- a/drivers/video/fbdev/fsl-diu-fb.c +++ b/drivers/video/fbdev/fsl-diu-fb.c @@ -479,7 +479,10 @@ static enum fsl_diu_monitor_port fsl_diu_name_to_port(const char *s) port = FSL_DIU_PORT_DLVDS; } - return diu_ops.valid_monitor_port(port); + if (diu_ops.valid_monitor_port) + port = diu_ops.valid_monitor_port(port); + + return port; } /* @@ -1915,6 +1918,14 @@ static int __init fsl_diu_init(void) #else monitor_port = fsl_diu_name_to_port(monitor_string); #endif + + /* + * Must to verify set_pixel_clock. If not implement on platform, + * then that means that there is no platform support for the DIU. + */ + if (!diu_ops.set_pixel_clock) + return -ENODEV; + pr_info("Freescale Display Interface Unit (DIU) framebuffer driver\n"); #ifdef CONFIG_NOT_COHERENT_CACHE diff --git a/drivers/video/fbdev/omap2/dss/venc.c b/drivers/video/fbdev/omap2/dss/venc.c index 99ca268..d05a549 100644 --- a/drivers/video/fbdev/omap2/dss/venc.c +++ b/drivers/video/fbdev/omap2/dss/venc.c @@ -275,6 +275,12 @@ const struct omap_video_timings omap_dss_pal_timings = { .vbp = 41, .interlace = true, + + .hsync_level = OMAPDSS_SIG_ACTIVE_LOW, + .vsync_level = OMAPDSS_SIG_ACTIVE_LOW, + .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE, + .de_level = OMAPDSS_SIG_ACTIVE_HIGH, + .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE, }; EXPORT_SYMBOL(omap_dss_pal_timings); @@ -290,6 +296,12 @@ const struct omap_video_timings omap_dss_ntsc_timings = { .vbp = 31, .interlace = true, + + .hsync_level = OMAPDSS_SIG_ACTIVE_LOW, + .vsync_level = OMAPDSS_SIG_ACTIVE_LOW, + .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE, + .de_level = OMAPDSS_SIG_ACTIVE_HIGH, + .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE, }; EXPORT_SYMBOL(omap_dss_ntsc_timings); diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index b1877d7..7062bb0 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -412,6 +412,7 @@ static int virtio_init(void) static void __exit virtio_exit(void) { bus_unregister(&virtio_bus); + ida_destroy(&virtio_index_ida); } core_initcall(virtio_init); module_exit(virtio_exit); diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 096b857..ee663c4 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -80,6 +80,12 @@ struct vring_virtqueue { /* Last used index we've seen. */ u16 last_used_idx; + /* Last written value to avail->flags */ + u16 avail_flags_shadow; + + /* Last written value to avail->idx in guest byte order */ + u16 avail_idx_shadow; + /* How to notify other side. FIXME: commonalize hcalls! */ bool (*notify)(struct virtqueue *vq); @@ -109,7 +115,7 @@ static struct vring_desc *alloc_indirect(struct virtqueue *_vq, * otherwise virt_to_phys will give us bogus addresses in the * virtqueue. */ - gfp &= ~(__GFP_HIGHMEM | __GFP_HIGH); + gfp &= ~__GFP_HIGHMEM; desc = kmalloc(total_sg * sizeof(struct vring_desc), gfp); if (!desc) @@ -235,13 +241,14 @@ static inline int virtqueue_add(struct virtqueue *_vq, /* Put entry in available array (but don't update avail->idx until they * do sync). */ - avail = virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx) & (vq->vring.num - 1); + avail = vq->avail_idx_shadow & (vq->vring.num - 1); vq->vring.avail->ring[avail] = cpu_to_virtio16(_vq->vdev, head); /* Descriptors and available array need to be set before we expose the * new available array entries. */ virtio_wmb(vq->weak_barriers); - vq->vring.avail->idx = cpu_to_virtio16(_vq->vdev, virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx) + 1); + vq->avail_idx_shadow++; + vq->vring.avail->idx = cpu_to_virtio16(_vq->vdev, vq->avail_idx_shadow); vq->num_added++; pr_debug("Added buffer head %i to %p\n", head, vq); @@ -354,8 +361,8 @@ bool virtqueue_kick_prepare(struct virtqueue *_vq) * event. */ virtio_mb(vq->weak_barriers); - old = virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx) - vq->num_added; - new = virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx); + old = vq->avail_idx_shadow - vq->num_added; + new = vq->avail_idx_shadow; vq->num_added = 0; #ifdef DEBUG @@ -510,7 +517,7 @@ void *virtqueue_get_buf(struct virtqueue *_vq, unsigned int *len) /* If we expect an interrupt for the next entry, tell host * by writing event index and flush out the write before * the read in the next get_buf call. */ - if (!(vq->vring.avail->flags & cpu_to_virtio16(_vq->vdev, VRING_AVAIL_F_NO_INTERRUPT))) { + if (!(vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT)) { vring_used_event(&vq->vring) = cpu_to_virtio16(_vq->vdev, vq->last_used_idx); virtio_mb(vq->weak_barriers); } @@ -537,7 +544,11 @@ void virtqueue_disable_cb(struct virtqueue *_vq) { struct vring_virtqueue *vq = to_vvq(_vq); - vq->vring.avail->flags |= cpu_to_virtio16(_vq->vdev, VRING_AVAIL_F_NO_INTERRUPT); + if (!(vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT)) { + vq->avail_flags_shadow |= VRING_AVAIL_F_NO_INTERRUPT; + vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow); + } + } EXPORT_SYMBOL_GPL(virtqueue_disable_cb); @@ -565,7 +576,10 @@ unsigned virtqueue_enable_cb_prepare(struct virtqueue *_vq) /* Depending on the VIRTIO_RING_F_EVENT_IDX feature, we need to * either clear the flags bit or point the event index at the next * entry. Always do both to keep code simple. */ - vq->vring.avail->flags &= cpu_to_virtio16(_vq->vdev, ~VRING_AVAIL_F_NO_INTERRUPT); + if (vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT) { + vq->avail_flags_shadow &= ~VRING_AVAIL_F_NO_INTERRUPT; + vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow); + } vring_used_event(&vq->vring) = cpu_to_virtio16(_vq->vdev, last_used_idx = vq->last_used_idx); END_USE(vq); return last_used_idx; @@ -633,9 +647,12 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq) /* Depending on the VIRTIO_RING_F_USED_EVENT_IDX feature, we need to * either clear the flags bit or point the event index at the next * entry. Always do both to keep code simple. */ - vq->vring.avail->flags &= cpu_to_virtio16(_vq->vdev, ~VRING_AVAIL_F_NO_INTERRUPT); + if (vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT) { + vq->avail_flags_shadow &= ~VRING_AVAIL_F_NO_INTERRUPT; + vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow); + } /* TODO: tune this threshold */ - bufs = (u16)(virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx) - vq->last_used_idx) * 3 / 4; + bufs = (u16)(vq->avail_idx_shadow - vq->last_used_idx) * 3 / 4; vring_used_event(&vq->vring) = cpu_to_virtio16(_vq->vdev, vq->last_used_idx + bufs); virtio_mb(vq->weak_barriers); if (unlikely((u16)(virtio16_to_cpu(_vq->vdev, vq->vring.used->idx) - vq->last_used_idx) > bufs)) { @@ -670,7 +687,8 @@ void *virtqueue_detach_unused_buf(struct virtqueue *_vq) /* detach_buf clears data, so grab it now. */ buf = vq->data[i]; detach_buf(vq, i); - vq->vring.avail->idx = cpu_to_virtio16(_vq->vdev, virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx) - 1); + vq->avail_idx_shadow--; + vq->vring.avail->idx = cpu_to_virtio16(_vq->vdev, vq->avail_idx_shadow); END_USE(vq); return buf; } @@ -735,6 +753,8 @@ struct virtqueue *vring_new_virtqueue(unsigned int index, vq->weak_barriers = weak_barriers; vq->broken = false; vq->last_used_idx = 0; + vq->avail_flags_shadow = 0; + vq->avail_idx_shadow = 0; vq->num_added = 0; list_add_tail(&vq->vq.list, &vdev->vqs); #ifdef DEBUG @@ -746,8 +766,10 @@ struct virtqueue *vring_new_virtqueue(unsigned int index, vq->event = virtio_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX); /* No callback? Tell other side not to bother us. */ - if (!callback) - vq->vring.avail->flags |= cpu_to_virtio16(vdev, VRING_AVAIL_F_NO_INTERRUPT); + if (!callback) { + vq->avail_flags_shadow |= VRING_AVAIL_F_NO_INTERRUPT; + vq->vring.avail->flags = cpu_to_virtio16(vdev, vq->avail_flags_shadow); + } /* Put everything in free lists. */ vq->free_head = 0; diff --git a/drivers/xen/events/events_fifo.c b/drivers/xen/events/events_fifo.c index e3e9e3d..96a1b8d 100644 --- a/drivers/xen/events/events_fifo.c +++ b/drivers/xen/events/events_fifo.c @@ -281,7 +281,8 @@ static void handle_irq_for_port(unsigned port) static void consume_one_event(unsigned cpu, struct evtchn_fifo_control_block *control_block, - unsigned priority, unsigned long *ready) + unsigned priority, unsigned long *ready, + bool drop) { struct evtchn_fifo_queue *q = &per_cpu(cpu_queue, cpu); uint32_t head; @@ -313,13 +314,17 @@ static void consume_one_event(unsigned cpu, if (head == 0) clear_bit(priority, ready); - if (evtchn_fifo_is_pending(port) && !evtchn_fifo_is_masked(port)) - handle_irq_for_port(port); + if (evtchn_fifo_is_pending(port) && !evtchn_fifo_is_masked(port)) { + if (unlikely(drop)) + pr_warn("Dropping pending event for port %u\n", port); + else + handle_irq_for_port(port); + } q->head[priority] = head; } -static void evtchn_fifo_handle_events(unsigned cpu) +static void __evtchn_fifo_handle_events(unsigned cpu, bool drop) { struct evtchn_fifo_control_block *control_block; unsigned long ready; @@ -331,11 +336,16 @@ static void evtchn_fifo_handle_events(unsigned cpu) while (ready) { q = find_first_bit(&ready, EVTCHN_FIFO_MAX_QUEUES); - consume_one_event(cpu, control_block, q, &ready); + consume_one_event(cpu, control_block, q, &ready, drop); ready |= xchg(&control_block->ready, 0); } } +static void evtchn_fifo_handle_events(unsigned cpu) +{ + __evtchn_fifo_handle_events(cpu, false); +} + static void evtchn_fifo_resume(void) { unsigned cpu; @@ -420,6 +430,9 @@ static int evtchn_fifo_cpu_notification(struct notifier_block *self, if (!per_cpu(cpu_control_block, cpu)) ret = evtchn_fifo_alloc_control_block(cpu); break; + case CPU_DEAD: + __evtchn_fifo_handle_events(cpu, true); + break; default: break; } diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h index 58e38d5..4d529f3 100644 --- a/drivers/xen/xen-pciback/pciback.h +++ b/drivers/xen/xen-pciback/pciback.h @@ -37,6 +37,7 @@ struct xen_pcibk_device { struct xen_pci_sharedinfo *sh_info; unsigned long flags; struct work_struct op_work; + struct xen_pci_op op; }; struct xen_pcibk_dev_data { diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index c4a0666..73dafdc 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -70,6 +70,13 @@ static void xen_pcibk_control_isr(struct pci_dev *dev, int reset) enable ? "enable" : "disable"); if (enable) { + /* + * The MSI or MSI-X should not have an IRQ handler. Otherwise + * if the guest terminates we BUG_ON in free_msi_irqs. + */ + if (dev->msi_enabled || dev->msix_enabled) + goto out; + rc = request_irq(dev_data->irq, xen_pcibk_guest_interrupt, IRQF_SHARED, dev_data->irq_name, dev); @@ -144,7 +151,12 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev, if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: enable MSI\n", pci_name(dev)); - status = pci_enable_msi(dev); + if (dev->msi_enabled) + status = -EALREADY; + else if (dev->msix_enabled) + status = -ENXIO; + else + status = pci_enable_msi(dev); if (status) { pr_warn_ratelimited("%s: error enabling MSI for guest %u: err %d\n", @@ -173,20 +185,23 @@ static int xen_pcibk_disable_msi(struct xen_pcibk_device *pdev, struct pci_dev *dev, struct xen_pci_op *op) { - struct xen_pcibk_dev_data *dev_data; - if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: disable MSI\n", pci_name(dev)); - pci_disable_msi(dev); + if (dev->msi_enabled) { + struct xen_pcibk_dev_data *dev_data; + + pci_disable_msi(dev); + + dev_data = pci_get_drvdata(dev); + if (dev_data) + dev_data->ack_intr = 1; + } op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0; if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: MSI: %d\n", pci_name(dev), op->value); - dev_data = pci_get_drvdata(dev); - if (dev_data) - dev_data->ack_intr = 1; return 0; } @@ -197,13 +212,26 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev, struct xen_pcibk_dev_data *dev_data; int i, result; struct msix_entry *entries; + u16 cmd; if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: enable MSI-X\n", pci_name(dev)); + if (op->value > SH_INFO_MAX_VEC) return -EINVAL; + if (dev->msix_enabled) + return -EALREADY; + + /* + * PCI_COMMAND_MEMORY must be enabled, otherwise we may not be able + * to access the BARs where the MSI-X entries reside. + */ + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if (dev->msi_enabled || !(cmd & PCI_COMMAND_MEMORY)) + return -ENXIO; + entries = kmalloc(op->value * sizeof(*entries), GFP_KERNEL); if (entries == NULL) return -ENOMEM; @@ -245,23 +273,27 @@ static int xen_pcibk_disable_msix(struct xen_pcibk_device *pdev, struct pci_dev *dev, struct xen_pci_op *op) { - struct xen_pcibk_dev_data *dev_data; if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: disable MSI-X\n", pci_name(dev)); - pci_disable_msix(dev); + if (dev->msix_enabled) { + struct xen_pcibk_dev_data *dev_data; + + pci_disable_msix(dev); + + dev_data = pci_get_drvdata(dev); + if (dev_data) + dev_data->ack_intr = 1; + } /* * SR-IOV devices (which don't have any legacy IRQ) have * an undefined IRQ value of zero. */ op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0; if (unlikely(verbose_request)) - printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n", pci_name(dev), - op->value); - dev_data = pci_get_drvdata(dev); - if (dev_data) - dev_data->ack_intr = 1; + printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n", + pci_name(dev), op->value); return 0; } #endif @@ -298,9 +330,11 @@ void xen_pcibk_do_op(struct work_struct *data) container_of(data, struct xen_pcibk_device, op_work); struct pci_dev *dev; struct xen_pcibk_dev_data *dev_data = NULL; - struct xen_pci_op *op = &pdev->sh_info->op; + struct xen_pci_op *op = &pdev->op; int test_intx = 0; + *op = pdev->sh_info->op; + barrier(); dev = xen_pcibk_get_pci_dev(pdev, op->domain, op->bus, op->devfn); if (dev == NULL) @@ -342,6 +376,17 @@ void xen_pcibk_do_op(struct work_struct *data) if ((dev_data->enable_intx != test_intx)) xen_pcibk_control_isr(dev, 0 /* no reset */); } + pdev->sh_info->op.err = op->err; + pdev->sh_info->op.value = op->value; +#ifdef CONFIG_PCI_MSI + if (op->cmd == XEN_PCI_OP_enable_msix && op->err == 0) { + unsigned int i; + + for (i = 0; i < op->value; i++) + pdev->sh_info->op.msix_entries[i].vector = + op->msix_entries[i].vector; + } +#endif /* Tell the driver domain that we're done. */ wmb(); clear_bit(_XEN_PCIF_active, (unsigned long *)&pdev->sh_info->flags); diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c index 98bc345..4843741 100644 --- a/drivers/xen/xen-pciback/xenbus.c +++ b/drivers/xen/xen-pciback/xenbus.c @@ -44,7 +44,6 @@ static struct xen_pcibk_device *alloc_pdev(struct xenbus_device *xdev) dev_dbg(&xdev->dev, "allocated pdev @ 0x%p\n", pdev); pdev->xdev = xdev; - dev_set_drvdata(&xdev->dev, pdev); mutex_init(&pdev->dev_lock); @@ -58,6 +57,9 @@ static struct xen_pcibk_device *alloc_pdev(struct xenbus_device *xdev) kfree(pdev); pdev = NULL; } + + dev_set_drvdata(&xdev->dev, pdev); + out: return pdev; } diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index 43bcae8..ad4eb10 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -726,7 +726,7 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info) if (!pending_req) return 1; - ring_req = *RING_GET_REQUEST(ring, rc); + RING_COPY_REQUEST(ring, rc, &ring_req); ring->req_cons = ++rc; err = prepare_pending_reqs(info, &ring_req, pending_req); diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 699941e..5110785 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -451,9 +451,9 @@ void v9fs_evict_inode(struct inode *inode) { struct v9fs_inode *v9inode = V9FS_I(inode); - truncate_inode_pages_final(inode->i_mapping); + truncate_inode_pages_final(&inode->i_data); clear_inode(inode); - filemap_fdatawrite(inode->i_mapping); + filemap_fdatawrite(&inode->i_data); v9fs_cache_inode_put_cookie(inode); /* clunk the fid stashed in writeback_fid */ diff --git a/fs/block_dev.c b/fs/block_dev.c index c25639e..44d4a1e 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1523,11 +1523,14 @@ static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part) WARN_ON_ONCE(bdev->bd_holders); sync_blockdev(bdev); kill_bdev(bdev); + + bdev_write_inode(bdev); /* - * ->release can cause the queue to disappear, so flush all - * dirty data before. + * Detaching bdev inode from its wb in __destroy_inode() + * is too late: the queue which embeds its bdi (along with + * root wb) can be gone as soon as we put_disk() below. */ - bdev_write_inode(bdev); + inode_detach_wb(bdev->bd_inode); } if (bdev->bd_contains == bdev) { if (disk->fops->release) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 4b89680a..c4661db 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -10480,11 +10480,15 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) * until transaction commit to do the actual discard. */ if (trimming) { - WARN_ON(!list_empty(&block_group->bg_list)); - spin_lock(&trans->transaction->deleted_bgs_lock); + spin_lock(&fs_info->unused_bgs_lock); + /* + * A concurrent scrub might have added us to the list + * fs_info->unused_bgs, so use a list_move operation + * to add the block group to the deleted_bgs list. + */ list_move(&block_group->bg_list, &trans->transaction->deleted_bgs); - spin_unlock(&trans->transaction->deleted_bgs_lock); + spin_unlock(&fs_info->unused_bgs_lock); btrfs_get_block_group(block_group); } end_trans: diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 72e7346..0f09526 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1291,7 +1291,8 @@ out: * on error we return an unlocked page and the error value * on success we return a locked page and 0 */ -static int prepare_uptodate_page(struct page *page, u64 pos, +static int prepare_uptodate_page(struct inode *inode, + struct page *page, u64 pos, bool force_uptodate) { int ret = 0; @@ -1306,6 +1307,10 @@ static int prepare_uptodate_page(struct page *page, u64 pos, unlock_page(page); return -EIO; } + if (page->mapping != inode->i_mapping) { + unlock_page(page); + return -EAGAIN; + } } return 0; } @@ -1324,6 +1329,7 @@ static noinline int prepare_pages(struct inode *inode, struct page **pages, int faili; for (i = 0; i < num_pages; i++) { +again: pages[i] = find_or_create_page(inode->i_mapping, index + i, mask | __GFP_WRITE); if (!pages[i]) { @@ -1333,13 +1339,17 @@ static noinline int prepare_pages(struct inode *inode, struct page **pages, } if (i == 0) - err = prepare_uptodate_page(pages[i], pos, + err = prepare_uptodate_page(inode, pages[i], pos, force_uptodate); - if (i == num_pages - 1) - err = prepare_uptodate_page(pages[i], + if (!err && i == num_pages - 1) + err = prepare_uptodate_page(inode, pages[i], pos + write_bytes, false); if (err) { page_cache_release(pages[i]); + if (err == -EAGAIN) { + err = 0; + goto again; + } faili = i - 1; goto fail; } diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 85a1f86..cfe99be 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -891,7 +891,7 @@ out: spin_unlock(&block_group->lock); ret = 0; - btrfs_warn(fs_info, "failed to load free space cache for block group %llu, rebuild it now", + btrfs_warn(fs_info, "failed to load free space cache for block group %llu, rebuilding it now", block_group->key.objectid); } @@ -2972,7 +2972,7 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group, u64 cont1_bytes, u64 min_bytes) { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; - struct btrfs_free_space *entry; + struct btrfs_free_space *entry = NULL; int ret = -ENOSPC; u64 bitmap_offset = offset_to_bitmap(ctl, offset); @@ -2983,8 +2983,10 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group, * The bitmap that covers offset won't be in the list unless offset * is just its start offset. */ - entry = list_first_entry(bitmaps, struct btrfs_free_space, list); - if (entry->offset != bitmap_offset) { + if (!list_empty(bitmaps)) + entry = list_first_entry(bitmaps, struct btrfs_free_space, list); + + if (!entry || entry->offset != bitmap_offset) { entry = tree_search_offset(ctl, bitmap_offset, 1, 0); if (entry && list_empty(&entry->list)) list_add(&entry->list, bitmaps); diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 3367a3c..be8eae8 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -274,7 +274,6 @@ loop: cur_trans->num_dirty_bgs = 0; spin_lock_init(&cur_trans->dirty_bgs_lock); INIT_LIST_HEAD(&cur_trans->deleted_bgs); - spin_lock_init(&cur_trans->deleted_bgs_lock); spin_lock_init(&cur_trans->dropped_roots_lock); list_add_tail(&cur_trans->list, &fs_info->trans_list); extent_io_tree_init(&cur_trans->dirty_pages, diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 0da21ca..64c8221 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -77,8 +77,8 @@ struct btrfs_transaction { */ struct mutex cache_write_mutex; spinlock_t dirty_bgs_lock; + /* Protected by spin lock fs_info->unused_bgs_lock. */ struct list_head deleted_bgs; - spinlock_t deleted_bgs_lock; spinlock_t dropped_roots_lock; struct btrfs_delayed_ref_root delayed_refs; int aborted; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 4564522..a23399e 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -3548,12 +3548,11 @@ again: ret = btrfs_force_chunk_alloc(trans, chunk_root, BTRFS_BLOCK_GROUP_DATA); + btrfs_end_transaction(trans, chunk_root); if (ret < 0) { mutex_unlock(&fs_info->delete_unused_bgs_mutex); goto error; } - - btrfs_end_transaction(trans, chunk_root); chunk_reserved = 1; } diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 6b66dd5..a329f5b 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1831,11 +1831,11 @@ cifs_invalidate_mapping(struct inode *inode) * @word: long word containing the bit lock */ static int -cifs_wait_bit_killable(struct wait_bit_key *key) +cifs_wait_bit_killable(struct wait_bit_key *key, int mode) { - if (fatal_signal_pending(current)) - return -ERESTARTSYS; freezable_schedule_unsafe(); + if (signal_pending_state(mode, current)) + return -ERESTARTSYS; return 0; } diff --git a/fs/direct-io.c b/fs/direct-io.c index 1c75a3a..602e844 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -1175,6 +1175,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, if (dio->flags & DIO_LOCKING) mutex_unlock(&inode->i_mutex); kmem_cache_free(dio_cache, dio); + retval = 0; goto out; } diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c index 73c64da..60f03b7 100644 --- a/fs/exofs/inode.c +++ b/fs/exofs/inode.c @@ -592,10 +592,7 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate) } unlock_page(page); } - if (PageDirty(page) || PageWriteback(page)) - *uptodate = true; - else - *uptodate = PageUptodate(page); + *uptodate = PageUptodate(page); EXOFS_DBGMSG2("index=0x%lx uptodate=%d\n", index, *uptodate); return page; } else { diff --git a/fs/ext4/crypto.c b/fs/ext4/crypto.c index af06830..1a08350 100644 --- a/fs/ext4/crypto.c +++ b/fs/ext4/crypto.c @@ -389,7 +389,7 @@ int ext4_encrypted_zeroout(struct inode *inode, struct ext4_extent *ex) struct ext4_crypto_ctx *ctx; struct page *ciphertext_page = NULL; struct bio *bio; - ext4_lblk_t lblk = ex->ee_block; + ext4_lblk_t lblk = le32_to_cpu(ex->ee_block); ext4_fsblk_t pblk = ext4_ext_pblock(ex); unsigned int len = ext4_ext_get_actual_len(ex); int ret, err = 0; diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 750063f..cc7ca4e 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -26,6 +26,7 @@ #include <linux/seqlock.h> #include <linux/mutex.h> #include <linux/timer.h> +#include <linux/version.h> #include <linux/wait.h> #include <linux/blockgroup_lock.h> #include <linux/percpu_counter.h> @@ -727,19 +728,55 @@ struct move_extent { <= (EXT4_GOOD_OLD_INODE_SIZE + \ (einode)->i_extra_isize)) \ +/* + * We use an encoding that preserves the times for extra epoch "00": + * + * extra msb of adjust for signed + * epoch 32-bit 32-bit tv_sec to + * bits time decoded 64-bit tv_sec 64-bit tv_sec valid time range + * 0 0 1 -0x80000000..-0x00000001 0x000000000 1901-12-13..1969-12-31 + * 0 0 0 0x000000000..0x07fffffff 0x000000000 1970-01-01..2038-01-19 + * 0 1 1 0x080000000..0x0ffffffff 0x100000000 2038-01-19..2106-02-07 + * 0 1 0 0x100000000..0x17fffffff 0x100000000 2106-02-07..2174-02-25 + * 1 0 1 0x180000000..0x1ffffffff 0x200000000 2174-02-25..2242-03-16 + * 1 0 0 0x200000000..0x27fffffff 0x200000000 2242-03-16..2310-04-04 + * 1 1 1 0x280000000..0x2ffffffff 0x300000000 2310-04-04..2378-04-22 + * 1 1 0 0x300000000..0x37fffffff 0x300000000 2378-04-22..2446-05-10 + * + * Note that previous versions of the kernel on 64-bit systems would + * incorrectly use extra epoch bits 1,1 for dates between 1901 and + * 1970. e2fsck will correct this, assuming that it is run on the + * affected filesystem before 2242. + */ + static inline __le32 ext4_encode_extra_time(struct timespec *time) { - return cpu_to_le32((sizeof(time->tv_sec) > 4 ? - (time->tv_sec >> 32) & EXT4_EPOCH_MASK : 0) | - ((time->tv_nsec << EXT4_EPOCH_BITS) & EXT4_NSEC_MASK)); + u32 extra = sizeof(time->tv_sec) > 4 ? + ((time->tv_sec - (s32)time->tv_sec) >> 32) & EXT4_EPOCH_MASK : 0; + return cpu_to_le32(extra | (time->tv_nsec << EXT4_EPOCH_BITS)); } static inline void ext4_decode_extra_time(struct timespec *time, __le32 extra) { - if (sizeof(time->tv_sec) > 4) - time->tv_sec |= (__u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK) - << 32; - time->tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS; + if (unlikely(sizeof(time->tv_sec) > 4 && + (extra & cpu_to_le32(EXT4_EPOCH_MASK)))) { +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,20,0) + /* Handle legacy encoding of pre-1970 dates with epoch + * bits 1,1. We assume that by kernel version 4.20, + * everyone will have run fsck over the affected + * filesystems to correct the problem. (This + * backwards compatibility may be removed before this + * time, at the discretion of the ext4 developers.) + */ + u64 extra_bits = le32_to_cpu(extra) & EXT4_EPOCH_MASK; + if (extra_bits == 3 && ((time->tv_sec) & 0x80000000) != 0) + extra_bits = 0; + time->tv_sec += extra_bits << 32; +#else + time->tv_sec += (u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK) << 32; +#endif + } + time->tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS; } #define EXT4_INODE_SET_XTIME(xtime, inode, raw_inode) \ diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index abe2401..e8e7af6 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -52,7 +52,7 @@ static const char *ext4_encrypted_follow_link(struct dentry *dentry, void **cook /* Symlink is encrypted */ sd = (struct ext4_encrypted_symlink_data *)caddr; cstr.name = sd->encrypted_path; - cstr.len = le32_to_cpu(sd->len); + cstr.len = le16_to_cpu(sd->len); if ((cstr.len + sizeof(struct ext4_encrypted_symlink_data) - 1) > max_size) { diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c index 1b57c72..1420a3c 100644 --- a/fs/ext4/sysfs.c +++ b/fs/ext4/sysfs.c @@ -358,7 +358,7 @@ static int name##_open(struct inode *inode, struct file *file) \ return single_open(file, ext4_seq_##name##_show, PDE_DATA(inode)); \ } \ \ -const struct file_operations ext4_seq_##name##_fops = { \ +static const struct file_operations ext4_seq_##name##_fops = { \ .owner = THIS_MODULE, \ .open = name##_open, \ .read = seq_read, \ diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index eae2c11..8e3ee19 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -549,6 +549,8 @@ static int cuse_channel_release(struct inode *inode, struct file *file) unregister_chrdev_region(cc->cdev->dev, 1); cdev_del(cc->cdev); } + /* Base reference is now owned by "fud" */ + fuse_conn_put(&cc->fc); rc = fuse_dev_release(inode, file); /* puts the base reference */ diff --git a/fs/fuse/file.c b/fs/fuse/file.c index e0faf8f..570ca40 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1049,6 +1049,7 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req, tmp = iov_iter_copy_from_user_atomic(page, ii, offset, bytes); flush_dcache_page(page); + iov_iter_advance(ii, tmp); if (!tmp) { unlock_page(page); page_cache_release(page); @@ -1061,7 +1062,6 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req, req->page_descs[req->num_pages].length = tmp; req->num_pages++; - iov_iter_advance(ii, tmp); count += tmp; pos += tmp; offset += tmp; diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 89463ee..ca181e8 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -1009,7 +1009,8 @@ out: } /* Fast check whether buffer is already attached to the required transaction */ -static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh) +static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh, + bool undo) { struct journal_head *jh; bool ret = false; @@ -1036,6 +1037,9 @@ static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh) jh = READ_ONCE(bh->b_private); if (!jh) goto out; + /* For undo access buffer must have data copied */ + if (undo && !jh->b_committed_data) + goto out; if (jh->b_transaction != handle->h_transaction && jh->b_next_transaction != handle->h_transaction) goto out; @@ -1073,7 +1077,7 @@ int jbd2_journal_get_write_access(handle_t *handle, struct buffer_head *bh) struct journal_head *jh; int rc; - if (jbd2_write_access_granted(handle, bh)) + if (jbd2_write_access_granted(handle, bh, false)) return 0; jh = jbd2_journal_add_journal_head(bh); @@ -1210,7 +1214,7 @@ int jbd2_journal_get_undo_access(handle_t *handle, struct buffer_head *bh) char *committed_data = NULL; JBUFFER_TRACE(jh, "entry"); - if (jbd2_write_access_granted(handle, bh)) + if (jbd2_write_access_granted(handle, bh, true)) return 0; jh = jbd2_journal_add_journal_head(bh); @@ -2152,6 +2156,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh, if (!buffer_dirty(bh)) { /* bdflush has written it. We can drop it now */ + __jbd2_journal_remove_checkpoint(jh); goto zap_buffer; } @@ -2181,6 +2186,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh, /* The orphan record's transaction has * committed. We can cleanse this buffer */ clear_buffer_jbddirty(bh); + __jbd2_journal_remove_checkpoint(jh); goto zap_buffer; } } diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index beac58b..646cdac 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -78,8 +78,7 @@ static __be32 *read_buf(struct xdr_stream *xdr, int nbytes) p = xdr_inline_decode(xdr, nbytes); if (unlikely(p == NULL)) - printk(KERN_WARNING "NFS: NFSv4 callback reply buffer overflowed " - "or truncated request.\n"); + printk(KERN_WARNING "NFS: NFSv4 callback reply buffer overflowed!\n"); return p; } @@ -890,7 +889,6 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r struct cb_compound_hdr_arg hdr_arg = { 0 }; struct cb_compound_hdr_res hdr_res = { NULL }; struct xdr_stream xdr_in, xdr_out; - struct xdr_buf *rq_arg = &rqstp->rq_arg; __be32 *p, status; struct cb_process_state cps = { .drc_status = 0, @@ -902,8 +900,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r dprintk("%s: start\n", __func__); - rq_arg->len = rq_arg->head[0].iov_len + rq_arg->page_len; - xdr_init_decode(&xdr_in, rq_arg, rq_arg->head[0].iov_base); + xdr_init_decode(&xdr_in, &rqstp->rq_arg, rqstp->rq_arg.head[0].iov_base); p = (__be32*)((char *)rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len); xdr_init_encode(&xdr_out, &rqstp->rq_res, p); diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 31b0a52..c7e8b87 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -75,11 +75,11 @@ nfs_fattr_to_ino_t(struct nfs_fattr *fattr) * nfs_wait_bit_killable - helper for functions that are sleeping on bit locks * @word: long word containing the bit lock */ -int nfs_wait_bit_killable(struct wait_bit_key *key) +int nfs_wait_bit_killable(struct wait_bit_key *key, int mode) { - if (fatal_signal_pending(current)) - return -ERESTARTSYS; freezable_schedule_unsafe(); + if (signal_pending_state(mode, current)) + return -ERESTARTSYS; return 0; } EXPORT_SYMBOL_GPL(nfs_wait_bit_killable); diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 56cfde2..9dea85f 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -379,7 +379,7 @@ extern int nfs_drop_inode(struct inode *); extern void nfs_clear_inode(struct inode *); extern void nfs_evict_inode(struct inode *); void nfs_zap_acl_cache(struct inode *inode); -extern int nfs_wait_bit_killable(struct wait_bit_key *key); +extern int nfs_wait_bit_killable(struct wait_bit_key *key, int mode); /* super.c */ extern const struct super_operations nfs_sops; diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c index 5c0c6b5..9aebffb 100644 --- a/fs/nfs/objlayout/objio_osd.c +++ b/fs/nfs/objlayout/objio_osd.c @@ -476,10 +476,7 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate) } unlock_page(page); } - if (PageDirty(page) || PageWriteback(page)) - *uptodate = true; - else - *uptodate = PageUptodate(page); + *uptodate = PageUptodate(page); dprintk("%s: index=0x%lx uptodate=%d\n", __func__, index, *uptodate); return page; } diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index fe3ddd2..452a011 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -129,7 +129,7 @@ __nfs_iocounter_wait(struct nfs_io_counter *c) set_bit(NFS_IO_INPROGRESS, &c->flags); if (atomic_read(&c->io_count) == 0) break; - ret = nfs_wait_bit_killable(&q.key); + ret = nfs_wait_bit_killable(&q.key, TASK_KILLABLE); } while (atomic_read(&c->io_count) != 0 && !ret); finish_wait(wq, &q.wait); return ret; diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 5a8ae21..bec0384 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1466,11 +1466,11 @@ static bool pnfs_within_mdsthreshold(struct nfs_open_context *ctx, } /* stop waiting if someone clears NFS_LAYOUT_RETRY_LAYOUTGET bit. */ -static int pnfs_layoutget_retry_bit_wait(struct wait_bit_key *key) +static int pnfs_layoutget_retry_bit_wait(struct wait_bit_key *key, int mode) { if (!test_bit(NFS_LAYOUT_RETRY_LAYOUTGET, key->flags)) return 1; - return nfs_wait_bit_killable(key); + return nfs_wait_bit_killable(key, mode); } static bool pnfs_prepare_to_retry_layoutget(struct pnfs_layout_hdr *lo) diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c index 9ffef06..c9d6c71 100644 --- a/fs/nfsd/nfs4layouts.c +++ b/fs/nfsd/nfs4layouts.c @@ -616,6 +616,7 @@ nfsd4_cb_layout_prepare(struct nfsd4_callback *cb) mutex_lock(&ls->ls_mutex); nfs4_inc_and_copy_stateid(&ls->ls_recall_sid, &ls->ls_stid); + mutex_unlock(&ls->ls_mutex); } static int @@ -659,7 +660,6 @@ nfsd4_cb_layout_release(struct nfsd4_callback *cb) trace_layout_recall_release(&ls->ls_stid.sc_stateid); - mutex_unlock(&ls->ls_mutex); nfsd4_return_all_layouts(ls, &reaplist); nfsd4_free_layouts(&reaplist); nfs4_put_stid(&ls->ls_stid); diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index ce38b4c..84f2f80 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -2843,6 +2843,8 @@ again: res->state &= ~DLM_LOCK_RES_BLOCK_DIRTY; if (!ret) BUG_ON(!(res->state & DLM_LOCK_RES_MIGRATING)); + else + res->migration_pending = 0; spin_unlock(&res->spinlock); /* diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c index 652ece4..d56f007 100644 --- a/fs/ocfs2/locks.c +++ b/fs/ocfs2/locks.c @@ -67,7 +67,10 @@ static int ocfs2_do_flock(struct file *file, struct inode *inode, */ locks_lock_file_wait(file, - &(struct file_lock){.fl_type = F_UNLCK}); + &(struct file_lock) { + .fl_type = F_UNLCK, + .fl_flags = FL_FLOCK + }); ocfs2_file_unlock(file); } diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index a03f6f4..3123408 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -367,13 +367,11 @@ static int ocfs2_mknod(struct inode *dir, goto leave; } - status = posix_acl_create(dir, &mode, &default_acl, &acl); + status = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl); if (status) { mlog_errno(status); goto leave; } - /* update inode->i_mode after mask with "umask". */ - inode->i_mode = mode; handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb, S_ISDIR(mode), diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index d5da6f6..79b8021 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -54,11 +54,12 @@ static u16 ocfs2_calc_new_backup_super(struct inode *inode, struct ocfs2_group_desc *gd, u16 cl_cpg, + u16 old_bg_clusters, int set) { int i; u16 backups = 0; - u32 cluster; + u32 cluster, lgd_cluster; u64 blkno, gd_blkno, lgd_blkno = le64_to_cpu(gd->bg_blkno); for (i = 0; i < OCFS2_MAX_BACKUP_SUPERBLOCKS; i++) { @@ -71,6 +72,12 @@ static u16 ocfs2_calc_new_backup_super(struct inode *inode, else if (gd_blkno > lgd_blkno) break; + /* check if already done backup super */ + lgd_cluster = ocfs2_blocks_to_clusters(inode->i_sb, lgd_blkno); + lgd_cluster += old_bg_clusters; + if (lgd_cluster >= cluster) + continue; + if (set) ocfs2_set_bit(cluster % cl_cpg, (unsigned long *)gd->bg_bitmap); @@ -99,6 +106,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, u16 chain, num_bits, backups = 0; u16 cl_bpc = le16_to_cpu(cl->cl_bpc); u16 cl_cpg = le16_to_cpu(cl->cl_cpg); + u16 old_bg_clusters; trace_ocfs2_update_last_group_and_inode(new_clusters, first_new_cluster); @@ -112,6 +120,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, group = (struct ocfs2_group_desc *)group_bh->b_data; + old_bg_clusters = le16_to_cpu(group->bg_bits) / cl_bpc; /* update the group first. */ num_bits = new_clusters * cl_bpc; le16_add_cpu(&group->bg_bits, num_bits); @@ -125,7 +134,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, OCFS2_FEATURE_COMPAT_BACKUP_SB)) { backups = ocfs2_calc_new_backup_super(bm_inode, group, - cl_cpg, 1); + cl_cpg, old_bg_clusters, 1); le16_add_cpu(&group->bg_free_bits_count, -1 * backups); } @@ -163,7 +172,7 @@ out_rollback: if (ret < 0) { ocfs2_calc_new_backup_super(bm_inode, group, - cl_cpg, 0); + cl_cpg, old_bg_clusters, 0); le16_add_cpu(&group->bg_free_bits_count, backups); le16_add_cpu(&group->bg_bits, -1 * num_bits); le16_add_cpu(&group->bg_free_bits_count, -1 * num_bits); diff --git a/fs/proc/base.c b/fs/proc/base.c index bd3e9e6..4bd5d31 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -2494,6 +2494,7 @@ static ssize_t proc_coredump_filter_write(struct file *file, mm = get_task_mm(task); if (!mm) goto out_no_mm; + ret = 0; for (i = 0, mask = 1; i < MMF_DUMP_FILTER_BITS; i++, mask <<= 1) { if (val & mask) diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h index 204f581..cd84b12 100644 --- a/include/acpi/acexcep.h +++ b/include/acpi/acexcep.h @@ -126,8 +126,9 @@ struct acpi_exception_info { #define AE_OWNER_ID_LIMIT EXCEP_ENV (0x001B) #define AE_NOT_CONFIGURED EXCEP_ENV (0x001C) #define AE_ACCESS EXCEP_ENV (0x001D) +#define AE_IO_ERROR EXCEP_ENV (0x001E) -#define AE_CODE_ENV_MAX 0x001D +#define AE_CODE_ENV_MAX 0x001E /* * Programmer exceptions @@ -263,7 +264,8 @@ static const struct acpi_exception_info acpi_gbl_exception_names_env[] = { "There are no more Owner IDs available for ACPI tables or control methods"), EXCEP_TXT("AE_NOT_CONFIGURED", "The interface is not part of the current subsystem configuration"), - EXCEP_TXT("AE_ACCESS", "Permission denied for the requested operation") + EXCEP_TXT("AE_ACCESS", "Permission denied for the requested operation"), + EXCEP_TXT("AE_IO_ERROR", "An I/O error occurred") }; static const struct acpi_exception_info acpi_gbl_exception_names_pgm[] = { diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index ad0a5ff..14362a8 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -87,6 +87,8 @@ acpi_evaluate_dsm_typed(acpi_handle handle, const u8 *uuid, int rev, int func, .package.elements = (eles) \ } +bool acpi_dev_present(const char *hid); + #ifdef CONFIG_ACPI #include <linux/proc_fs.h> @@ -631,7 +633,9 @@ static inline bool acpi_device_can_wakeup(struct acpi_device *adev) static inline bool acpi_device_can_poweroff(struct acpi_device *adev) { - return adev->power.states[ACPI_STATE_D3_COLD].flags.valid; + return adev->power.states[ACPI_STATE_D3_COLD].flags.valid || + ((acpi_gbl_FADT.header.revision < 6) && + adev->power.states[ACPI_STATE_D3_HOT].flags.explicit_set); } #else /* CONFIG_ACPI */ diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index fbc2baf..0d824a2 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -349,12 +349,28 @@ void acpi_os_redirect_output(void *destination); #endif /* - * Debug input + * Debug IO */ #ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read); #endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_command_signals +acpi_status acpi_os_initialize_command_signals(void); +#endif + +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_command_signals +void acpi_os_terminate_command_signals(void); +#endif + +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_wait_command_ready +acpi_status acpi_os_wait_command_ready(void); +#endif + +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_notify_command_complete +acpi_status acpi_os_notify_command_complete(void); +#endif + /* * Obtain ACPI table(s) */ diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 3aaaa86..012b2ee 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -46,7 +46,7 @@ /* Current ACPICA subsystem version in YYYYMMDD format */ -#define ACPI_CA_VERSION 0x20150930 +#define ACPI_CA_VERSION 0x20151218 #include <acpi/acconfig.h> #include <acpi/actypes.h> @@ -190,6 +190,11 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE); ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE); /* + * Optionally support group module level code. + */ +ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, TRUE); + +/* * Optionally use 32-bit FADT addresses if and when there is a conflict * (address mismatch) between the 32-bit and 64-bit versions of the * address. Although ACPICA adheres to the ACPI specification which @@ -263,6 +268,19 @@ ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT); ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT); ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0); +/* Optionally enable timer output with Debug Object output */ + +ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE); + +/* + * Debugger command handshake globals. Host OSes need to access these + * variables to implement their own command handshake mechanism. + */ +#ifdef ACPI_DEBUGGER +ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE); +ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]); +#endif + /* * Other miscellaneous globals */ @@ -366,6 +384,29 @@ ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running); #endif /* ACPI_APPLICATION */ +/* + * Debugger prototypes + * + * All interfaces used by debugger will be configured + * out of the ACPICA build unless the ACPI_DEBUGGER + * flag is defined. + */ +#ifdef ACPI_DEBUGGER +#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \ + ACPI_EXTERNAL_RETURN_OK(prototype) + +#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \ + ACPI_EXTERNAL_RETURN_VOID(prototype) + +#else +#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \ + static ACPI_INLINE prototype {return(AE_OK);} + +#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \ + static ACPI_INLINE prototype {return;} + +#endif /* ACPI_DEBUGGER */ + /***************************************************************************** * * ACPICA public interface prototypes @@ -822,17 +863,9 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state)) ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status - acpi_set_firmware_waking_vectors + acpi_set_firmware_waking_vector (acpi_physical_address physical_address, acpi_physical_address physical_address64)) -ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status - acpi_set_firmware_waking_vector(u32 - physical_address)) -#if ACPI_MACHINE_WIDTH == 64 -ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status - acpi_set_firmware_waking_vector64(u64 - physical_address)) -#endif /* * ACPI Timer interfaces */ @@ -929,6 +962,8 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status void **data, void (*callback)(void *))) +void acpi_run_debugger(char *batch_buffer); + void acpi_set_debugger_thread_id(acpi_thread_id thread_id); #endif /* __ACXFACE_H__ */ diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index f914958..9633f60 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -1148,7 +1148,7 @@ u32 (*acpi_interface_handler) (acpi_string interface_name, u32 supported); #define ACPI_PCICLS_STRING_SIZE 7 /* Includes null terminator */ -/* Structures used for device/processor HID, UID, CID, and SUB */ +/* Structures used for device/processor HID, UID, CID */ struct acpi_pnp_device_id { u32 length; /* Length of string + null */ @@ -1178,7 +1178,6 @@ struct acpi_device_info { u64 address; /* _ADR value */ struct acpi_pnp_device_id hardware_id; /* _HID value */ struct acpi_pnp_device_id unique_id; /* _UID value */ - struct acpi_pnp_device_id subsystem_id; /* _SUB value */ struct acpi_pnp_device_id class_code; /* _CLS value */ struct acpi_pnp_device_id_list compatible_id_list; /* _CID list <must be last> */ }; @@ -1193,13 +1192,12 @@ struct acpi_device_info { #define ACPI_VALID_ADR 0x0002 #define ACPI_VALID_HID 0x0004 #define ACPI_VALID_UID 0x0008 -#define ACPI_VALID_SUB 0x0010 #define ACPI_VALID_CID 0x0020 #define ACPI_VALID_CLS 0x0040 #define ACPI_VALID_SXDS 0x0100 #define ACPI_VALID_SXWS 0x0200 -/* Flags for _STA return value (current_status above) */ +/* Flags for _STA method */ #define ACPI_STA_DEVICE_PRESENT 0x01 #define ACPI_STA_DEVICE_ENABLED 0x02 diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index 323e5da..e21857d 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -150,6 +150,8 @@ */ #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize_command_signals +#define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate_command_signals /* * OSL interfaces used by utilities diff --git a/include/acpi/platform/aclinuxex.h b/include/acpi/platform/aclinuxex.h index fd6d70f..f903fe6 100644 --- a/include/acpi/platform/aclinuxex.h +++ b/include/acpi/platform/aclinuxex.h @@ -129,6 +129,16 @@ static inline u8 acpi_os_readable(void *pointer, acpi_size length) return TRUE; } +static inline acpi_status acpi_os_initialize_command_signals(void) +{ + return AE_OK; +} + +static inline void acpi_os_terminate_command_signals(void) +{ + return; +} + /* * OSL interfaces added by Linux */ diff --git a/include/acpi/video.h b/include/acpi/video.h index c62392d..f11d342 100644 --- a/include/acpi/video.h +++ b/include/acpi/video.h @@ -2,6 +2,7 @@ #define __ACPI_VIDEO_H #include <linux/errno.h> /* for ENODEV */ +#include <linux/types.h> /* for bool */ struct acpi_device; @@ -31,6 +32,7 @@ extern int acpi_video_get_edid(struct acpi_device *device, int type, int device_id, void **edid); extern enum acpi_backlight_type acpi_video_get_backlight_type(void); extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type); +extern bool acpi_video_handles_brightness_key_presses(void); #else static inline int acpi_video_register(void) { return 0; } static inline void acpi_video_unregister(void) { return; } @@ -46,6 +48,10 @@ static inline enum acpi_backlight_type acpi_video_get_backlight_type(void) static inline void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type) { } +static inline bool acpi_video_handles_brightness_key_presses(void) +{ + return false; +} #endif #endif diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index db284bf..9dbb739 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -5,7 +5,7 @@ * Copyright 2001 Red Hat, Inc. * Based on code from mm/memory.c Copyright Linus Torvalds and others. * - * Copyright 2011 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright 2011 Red Hat, Inc., Peter Zijlstra * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 1991aea..06ed7e5 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -37,6 +37,8 @@ #include <linux/list.h> #include <linux/mod_devicetable.h> #include <linux/dynamic_debug.h> +#include <linux/module.h> +#include <linux/mutex.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> @@ -119,6 +121,75 @@ typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); typedef int (*acpi_tbl_entry_handler)(struct acpi_subtable_header *header, const unsigned long end); +/* Debugger support */ + +struct acpi_debugger_ops { + int (*create_thread)(acpi_osd_exec_callback function, void *context); + ssize_t (*write_log)(const char *msg); + ssize_t (*read_cmd)(char *buffer, size_t length); + int (*wait_command_ready)(bool single_step, char *buffer, size_t length); + int (*notify_command_complete)(void); +}; + +struct acpi_debugger { + const struct acpi_debugger_ops *ops; + struct module *owner; + struct mutex lock; +}; + +#ifdef CONFIG_ACPI_DEBUGGER +int __init acpi_debugger_init(void); +int acpi_register_debugger(struct module *owner, + const struct acpi_debugger_ops *ops); +void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); +int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); +ssize_t acpi_debugger_write_log(const char *msg); +ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); +int acpi_debugger_wait_command_ready(void); +int acpi_debugger_notify_command_complete(void); +#else +static inline int acpi_debugger_init(void) +{ + return -ENODEV; +} + +static inline int acpi_register_debugger(struct module *owner, + const struct acpi_debugger_ops *ops) +{ + return -ENODEV; +} + +static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) +{ +} + +static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, + void *context) +{ + return -ENODEV; +} + +static inline int acpi_debugger_write_log(const char *msg) +{ + return -ENODEV; +} + +static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) +{ + return -ENODEV; +} + +static inline int acpi_debugger_wait_command_ready(void) +{ + return -ENODEV; +} + +static inline int acpi_debugger_notify_command_complete(void) +{ + return -ENODEV; +} +#endif + #ifdef CONFIG_ACPI_INITRD_TABLE_OVERRIDE void acpi_initrd_override(void *data, size_t size); #else @@ -318,6 +389,7 @@ bool acpi_dev_resource_address_space(struct acpi_resource *ares, bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, struct resource_win *win); unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); +unsigned int acpi_dev_get_irq_type(int triggering, int polarity); bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, struct resource *res); diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 2b8ed12..defeaac 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -107,7 +107,7 @@ static inline __u64 ror64(__u64 word, unsigned int shift) */ static inline __u32 rol32(__u32 word, unsigned int shift) { - return (word << shift) | (word >> (32 - shift)); + return (word << shift) | (word >> ((-shift) & 31)); } /** diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0169ba2..c70e358 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -797,6 +797,7 @@ extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t, extern int blk_queue_enter(struct request_queue *q, gfp_t gfp); extern void blk_queue_exit(struct request_queue *q); extern void blk_start_queue(struct request_queue *q); +extern void blk_start_queue_async(struct request_queue *q); extern void blk_stop_queue(struct request_queue *q); extern void blk_sync_queue(struct request_queue *q); extern void __blk_stop_queue(struct request_queue *q); diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 60d44b2..06b77f9d 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -90,7 +90,6 @@ enum { */ struct cgroup_file { /* do not access any fields from outside cgroup core */ - struct list_head node; /* anchored at css->files */ struct kernfs_node *kn; }; @@ -134,9 +133,6 @@ struct cgroup_subsys_state { */ u64 serial_nr; - /* all cgroup_files associated with this css */ - struct list_head files; - /* percpu_ref killing and RCU release */ struct rcu_head rcu_head; struct work_struct destroy_work; @@ -426,12 +422,9 @@ struct cgroup_subsys { void (*css_reset)(struct cgroup_subsys_state *css); void (*css_e_css_changed)(struct cgroup_subsys_state *css); - int (*can_attach)(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset); - void (*cancel_attach)(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset); - void (*attach)(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset); + int (*can_attach)(struct cgroup_taskset *tset); + void (*cancel_attach)(struct cgroup_taskset *tset); + void (*attach)(struct cgroup_taskset *tset); int (*can_fork)(struct task_struct *task, void **priv_p); void (*cancel_fork)(struct task_struct *task, void *priv); void (*fork)(struct task_struct *task, void *priv); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 22e3754..cb91b44 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -88,6 +88,7 @@ int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from); int cgroup_add_dfl_cftypes(struct cgroup_subsys *ss, struct cftype *cfts); int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts); int cgroup_rm_cftypes(struct cftype *cfts); +void cgroup_file_notify(struct cgroup_file *cfile); char *task_cgroup_path(struct task_struct *task, char *buf, size_t buflen); int cgroupstats_build(struct cgroupstats *stats, struct dentry *dentry); @@ -119,8 +120,10 @@ struct cgroup_subsys_state *css_rightmost_descendant(struct cgroup_subsys_state struct cgroup_subsys_state *css_next_descendant_post(struct cgroup_subsys_state *pos, struct cgroup_subsys_state *css); -struct task_struct *cgroup_taskset_first(struct cgroup_taskset *tset); -struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset); +struct task_struct *cgroup_taskset_first(struct cgroup_taskset *tset, + struct cgroup_subsys_state **dst_cssp); +struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset, + struct cgroup_subsys_state **dst_cssp); void css_task_iter_start(struct cgroup_subsys_state *css, struct css_task_iter *it); @@ -235,30 +238,39 @@ void css_task_iter_end(struct css_task_iter *it); /** * cgroup_taskset_for_each - iterate cgroup_taskset * @task: the loop cursor + * @dst_css: the destination css * @tset: taskset to iterate * * @tset may contain multiple tasks and they may belong to multiple - * processes. When there are multiple tasks in @tset, if a task of a - * process is in @tset, all tasks of the process are in @tset. Also, all - * are guaranteed to share the same source and destination csses. + * processes. + * + * On the v2 hierarchy, there may be tasks from multiple processes and they + * may not share the source or destination csses. + * + * On traditional hierarchies, when there are multiple tasks in @tset, if a + * task of a process is in @tset, all tasks of the process are in @tset. + * Also, all are guaranteed to share the same source and destination csses. * * Iteration is not in any specific order. */ -#define cgroup_taskset_for_each(task, tset) \ - for ((task) = cgroup_taskset_first((tset)); (task); \ - (task) = cgroup_taskset_next((tset))) +#define cgroup_taskset_for_each(task, dst_css, tset) \ + for ((task) = cgroup_taskset_first((tset), &(dst_css)); \ + (task); \ + (task) = cgroup_taskset_next((tset), &(dst_css))) /** * cgroup_taskset_for_each_leader - iterate group leaders in a cgroup_taskset * @leader: the loop cursor + * @dst_css: the destination css * @tset: takset to iterate * * Iterate threadgroup leaders of @tset. For single-task migrations, @tset * may not contain any. */ -#define cgroup_taskset_for_each_leader(leader, tset) \ - for ((leader) = cgroup_taskset_first((tset)); (leader); \ - (leader) = cgroup_taskset_next((tset))) \ +#define cgroup_taskset_for_each_leader(leader, dst_css, tset) \ + for ((leader) = cgroup_taskset_first((tset), &(dst_css)); \ + (leader); \ + (leader) = cgroup_taskset_next((tset), &(dst_css))) \ if ((leader) != (leader)->group_leader) \ ; \ else @@ -516,19 +528,6 @@ static inline void pr_cont_cgroup_path(struct cgroup *cgrp) pr_cont_kernfs_path(cgrp->kn); } -/** - * cgroup_file_notify - generate a file modified event for a cgroup_file - * @cfile: target cgroup_file - * - * @cfile must have been obtained by setting cftype->file_offset. - */ -static inline void cgroup_file_notify(struct cgroup_file *cfile) -{ - /* might not have been created due to one of the CFTYPE selector flags */ - if (cfile->kn) - kernfs_notify(cfile->kn); -} - #else /* !CONFIG_CGROUPS */ struct cgroup_subsys_state; diff --git a/include/linux/device.h b/include/linux/device.h index b8f411b..f627ba2 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -191,6 +191,7 @@ extern int bus_unregister_notifier(struct bus_type *bus, unbound */ #define BUS_NOTIFY_UNBOUND_DRIVER 0x00000007 /* driver is unbound from the device */ +#define BUS_NOTIFY_DRIVER_NOT_BOUND 0x00000008 /* driver fails to be bound */ extern struct kset *bus_get_kset(struct bus_type *bus); extern struct klist *bus_get_device_klist(struct bus_type *bus); diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h index 7be22da..a4cf57c 100644 --- a/include/linux/enclosure.h +++ b/include/linux/enclosure.h @@ -29,7 +29,11 @@ /* A few generic types ... taken from ses-2 */ enum enclosure_component_type { ENCLOSURE_COMPONENT_DEVICE = 0x01, + ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS = 0x07, + ENCLOSURE_COMPONENT_SCSI_TARGET_PORT = 0x14, + ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT = 0x15, ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17, + ENCLOSURE_COMPONENT_SAS_EXPANDER = 0x18, }; /* ses-2 common element status */ diff --git a/include/linux/filter.h b/include/linux/filter.h index 4165e9a..5972ffe 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -493,6 +493,25 @@ static inline void bpf_jit_free(struct bpf_prog *fp) #define BPF_ANC BIT(15) +static inline bool bpf_needs_clear_a(const struct sock_filter *first) +{ + switch (first->code) { + case BPF_RET | BPF_K: + case BPF_LD | BPF_W | BPF_LEN: + return false; + + case BPF_LD | BPF_W | BPF_ABS: + case BPF_LD | BPF_H | BPF_ABS: + case BPF_LD | BPF_B | BPF_ABS: + if (first->k == SKF_AD_OFF + SKF_AD_ALU_XOR_X) + return true; + return false; + + default: + return true; + } +} + static inline u16 bpf_anc_helper(const struct sock_filter *ftest) { BUG_ON(ftest->code & BPF_ANC); diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index eae6548..60048c5 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -586,6 +586,7 @@ extern int ftrace_arch_read_dyn_info(char *buf, int size); extern int skip_trace(unsigned long ip); extern void ftrace_module_init(struct module *mod); +extern void ftrace_release_mod(struct module *mod); extern void ftrace_disable_daemon(void); extern void ftrace_enable_daemon(void); diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index c9ae0c6..d5d798b 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -330,6 +330,7 @@ struct rdists { }; struct irq_domain; +struct device_node; int its_cpu_init(void); int its_init(struct device_node *node, struct rdists *rdists, struct irq_domain *domain); diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 8dde559..0536524 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -5,7 +5,7 @@ * Jump label support * * Copyright (C) 2009-2012 Jason Baron <jbaron@redhat.com> - * Copyright (C) 2011-2012 Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra * * DEPRECATED API: * diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h index d0a1f99..4894c68 100644 --- a/include/linux/kmemleak.h +++ b/include/linux/kmemleak.h @@ -25,7 +25,7 @@ #ifdef CONFIG_DEBUG_KMEMLEAK -extern void kmemleak_init(void) __ref; +extern void kmemleak_init(void) __init; extern void kmemleak_alloc(const void *ptr, size_t size, int min_count, gfp_t gfp) __ref; extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, diff --git a/include/linux/libata.h b/include/linux/libata.h index 83577f8..600c1e0 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -210,6 +210,7 @@ enum { ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */ /* (doesn't imply presence) */ ATA_FLAG_SATA = (1 << 1), + ATA_FLAG_NO_LOG_PAGE = (1 << 5), /* do not issue log page read */ ATA_FLAG_NO_ATAPI = (1 << 6), /* No ATAPI support */ ATA_FLAG_PIO_DMA = (1 << 7), /* PIO cmds via DMA */ ATA_FLAG_PIO_LBA48 = (1 << 8), /* Host DMA engine is LBA28 only */ diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index c6916ae..034117b 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -50,9 +50,16 @@ enum { NVM_IO_DUAL_ACCESS = 0x1, NVM_IO_QUAD_ACCESS = 0x2, + /* NAND Access Modes */ NVM_IO_SUSPEND = 0x80, NVM_IO_SLC_MODE = 0x100, NVM_IO_SCRAMBLE_DISABLE = 0x200, + + /* Block Types */ + NVM_BLK_T_FREE = 0x0, + NVM_BLK_T_BAD = 0x1, + NVM_BLK_T_DEV = 0x2, + NVM_BLK_T_HOST = 0x4, }; struct nvm_id_group { @@ -176,17 +183,17 @@ struct nvm_block; typedef int (nvm_l2p_update_fn)(u64, u32, __le64 *, void *); typedef int (nvm_bb_update_fn)(struct ppa_addr, int, u8 *, void *); -typedef int (nvm_id_fn)(struct request_queue *, struct nvm_id *); -typedef int (nvm_get_l2p_tbl_fn)(struct request_queue *, u64, u32, +typedef int (nvm_id_fn)(struct nvm_dev *, struct nvm_id *); +typedef int (nvm_get_l2p_tbl_fn)(struct nvm_dev *, u64, u32, nvm_l2p_update_fn *, void *); typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, int, nvm_bb_update_fn *, void *); -typedef int (nvm_op_set_bb_fn)(struct request_queue *, struct nvm_rq *, int); -typedef int (nvm_submit_io_fn)(struct request_queue *, struct nvm_rq *); -typedef int (nvm_erase_blk_fn)(struct request_queue *, struct nvm_rq *); -typedef void *(nvm_create_dma_pool_fn)(struct request_queue *, char *); +typedef int (nvm_op_set_bb_fn)(struct nvm_dev *, struct nvm_rq *, int); +typedef int (nvm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *); +typedef int (nvm_erase_blk_fn)(struct nvm_dev *, struct nvm_rq *); +typedef void *(nvm_create_dma_pool_fn)(struct nvm_dev *, char *); typedef void (nvm_destroy_dma_pool_fn)(void *); -typedef void *(nvm_dev_dma_alloc_fn)(struct request_queue *, void *, gfp_t, +typedef void *(nvm_dev_dma_alloc_fn)(struct nvm_dev *, void *, gfp_t, dma_addr_t *); typedef void (nvm_dev_dma_free_fn)(void *, void*, dma_addr_t); diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 70400dc..c57e424 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -2,7 +2,7 @@ * Runtime locking correctness validator * * Copyright (C) 2006,2007 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> - * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra * * see Documentation/locking/lockdep-design.txt for more details. */ diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index 27dac3f..bc6f7e0 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -17,6 +17,7 @@ #include <linux/platform_device.h> struct irq_domain; +struct property_set; /* Matches ACPI PNP id, either _HID or _CID, or ACPI _ADR */ struct mfd_cell_acpi_match { @@ -44,6 +45,10 @@ struct mfd_cell { /* platform data passed to the sub devices drivers */ void *platform_data; size_t pdata_size; + + /* device properties passed to the sub devices drivers */ + const struct property_set *pset; + /* * Device Tree compatible string * See: Documentation/devicetree/usage-model.txt Chapter 2.2 for details diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 7501626..d3133be 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -427,6 +427,17 @@ enum { }; enum { + /* + * Max wqe size for rdma read is 512 bytes, so this + * limits our max_sge_rd as the wqe needs to fit: + * - ctrl segment (16 bytes) + * - rdma segment (16 bytes) + * - scatter elements (16 bytes each) + */ + MLX4_MAX_SGE_RD = (512 - 16 - 16) / 16 +}; + +enum { MLX4_DEV_PMC_SUBTYPE_GUID_INFO = 0x14, MLX4_DEV_PMC_SUBTYPE_PORT_INFO = 0x15, MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE = 0x16, diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h index 877ef22..772362a 100644 --- a/include/linux/mmdebug.h +++ b/include/linux/mmdebug.h @@ -1,6 +1,7 @@ #ifndef LINUX_MM_DEBUG_H #define LINUX_MM_DEBUG_H 1 +#include <linux/bug.h> #include <linux/stringify.h> struct page; diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index c8723b6..bc742da 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -25,7 +25,7 @@ #define SNOR_MFR_MACRONIX CFI_MFR_MACRONIX #define SNOR_MFR_SPANSION CFI_MFR_AMD #define SNOR_MFR_SST CFI_MFR_SST -#define SNOR_MFR_WINBOND 0xef +#define SNOR_MFR_WINBOND 0xef /* Also used by some Spansion */ /* * Note on opcode nomenclature: some opcodes have a format like diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 3b5d134..3143c84 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2084,7 +2084,7 @@ struct pcpu_sw_netstats { }) #define netdev_alloc_pcpu_stats(type) \ - __netdev_alloc_pcpu_stats(type, GFP_KERNEL); + __netdev_alloc_pcpu_stats(type, GFP_KERNEL) #include <linux/notifier.h> diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h index 249d1bb..5646b24 100644 --- a/include/linux/netfilter/nfnetlink.h +++ b/include/linux/netfilter/nfnetlink.h @@ -14,7 +14,7 @@ struct nfnl_callback { int (*call_rcu)(struct sock *nl, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const cda[]); - int (*call_batch)(struct sock *nl, struct sk_buff *skb, + int (*call_batch)(struct net *net, struct sock *nl, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const cda[]); const struct nla_policy *policy; /* netlink attribute policy */ diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h index 039f2ee..1e0deb8 100644 --- a/include/linux/of_irq.h +++ b/include/linux/of_irq.h @@ -46,12 +46,14 @@ extern int of_irq_get(struct device_node *dev, int index); extern int of_irq_get_byname(struct device_node *dev, const char *name); extern int of_irq_to_resource_table(struct device_node *dev, struct resource *res, int nr_irqs); +extern struct device_node *of_irq_find_parent(struct device_node *child); extern struct irq_domain *of_msi_get_domain(struct device *dev, struct device_node *np, enum irq_domain_bus_token token); extern struct irq_domain *of_msi_map_get_device_domain(struct device *dev, u32 rid); extern void of_msi_configure(struct device *dev, struct device_node *np); +u32 of_msi_map_rid(struct device *dev, struct device_node *msi_np, u32 rid_in); #else static inline int of_irq_count(struct device_node *dev) { @@ -70,6 +72,11 @@ static inline int of_irq_to_resource_table(struct device_node *dev, { return 0; } +static inline void *of_irq_find_parent(struct device_node *child) +{ + return NULL; +} + static inline struct irq_domain *of_msi_get_domain(struct device *dev, struct device_node *np, enum irq_domain_bus_token token) @@ -84,6 +91,11 @@ static inline struct irq_domain *of_msi_map_get_device_domain(struct device *dev static inline void of_msi_configure(struct device *dev, struct device_node *np) { } +static inline u32 of_msi_map_rid(struct device *dev, + struct device_node *msi_np, u32 rid_in) +{ + return rid_in; +} #endif #if defined(CONFIG_OF_IRQ) || defined(CONFIG_SPARC) @@ -93,7 +105,6 @@ static inline void of_msi_configure(struct device *dev, struct device_node *np) * so declare it here regardless of the CONFIG_OF_IRQ setting. */ extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); -u32 of_msi_map_rid(struct device *dev, struct device_node *msi_np, u32 rid_in); #else /* !CONFIG_OF && !CONFIG_SPARC */ static inline unsigned int irq_of_parse_and_map(struct device_node *dev, @@ -101,12 +112,6 @@ static inline unsigned int irq_of_parse_and_map(struct device_node *dev, { return 0; } - -static inline u32 of_msi_map_rid(struct device *dev, - struct device_node *msi_np, u32 rid_in) -{ - return rid_in; -} #endif /* !CONFIG_OF */ #endif /* __OF_IRQ_H */ diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index d841d33..f9828a4 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -697,9 +697,11 @@ struct perf_cgroup { * if there is no cgroup event for the current CPU context. */ static inline struct perf_cgroup * -perf_cgroup_from_task(struct task_struct *task) +perf_cgroup_from_task(struct task_struct *task, struct perf_event_context *ctx) { - return container_of(task_css(task, perf_event_cgrp_id), + return container_of(task_css_check(task, perf_event_cgrp_id, + ctx ? lockdep_is_held(&ctx->lock) + : true), struct perf_cgroup, css); } #endif /* CONFIG_CGROUP_PERF */ diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h index e2878ba..4299f4b 100644 --- a/include/linux/platform_data/edma.h +++ b/include/linux/platform_data/edma.h @@ -72,7 +72,7 @@ struct edma_soc_info { struct edma_rsv_info *rsv; /* List of channels allocated for memcpy, terminated with -1 */ - s16 *memcpy_channels; + s32 *memcpy_channels; s8 (*queue_priority_mapping)[2]; const s16 (*xbar_chans)[2]; diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index dc777be..dba40b1 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -18,6 +18,7 @@ #define PLATFORM_DEVID_AUTO (-2) struct mfd_cell; +struct property_set; struct platform_device { const char *name; @@ -70,6 +71,8 @@ struct platform_device_info { const void *data; size_t size_data; u64 dma_mask; + + const struct property_set *pset; }; extern struct platform_device *platform_device_register_full( const struct platform_device_info *pdevinfo); @@ -167,6 +170,8 @@ extern int platform_device_add_resources(struct platform_device *pdev, unsigned int num); extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size); +extern int platform_device_add_properties(struct platform_device *pdev, + const struct property_set *pset); extern int platform_device_add(struct platform_device *pdev); extern void platform_device_del(struct platform_device *pdev); extern void platform_device_put(struct platform_device *pdev); diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 3bdbb41..7af093d 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -39,6 +39,7 @@ extern int pm_runtime_force_resume(struct device *dev); extern int __pm_runtime_idle(struct device *dev, int rpmflags); extern int __pm_runtime_suspend(struct device *dev, int rpmflags); extern int __pm_runtime_resume(struct device *dev, int rpmflags); +extern int pm_runtime_get_if_in_use(struct device *dev); extern int pm_schedule_suspend(struct device *dev, unsigned int delay); extern int __pm_runtime_set_status(struct device *dev, unsigned int status); extern int pm_runtime_barrier(struct device *dev); @@ -143,6 +144,10 @@ static inline int pm_schedule_suspend(struct device *dev, unsigned int delay) { return -ENOSYS; } +static inline int pm_runtime_get_if_in_use(struct device *dev) +{ + return -EINVAL; +} static inline int __pm_runtime_set_status(struct device *dev, unsigned int status) { return 0; } static inline int pm_runtime_barrier(struct device *dev) { return 0; } diff --git a/include/linux/property.h b/include/linux/property.h index 0a3705a..b51fcd3 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -73,8 +73,8 @@ int fwnode_property_match_string(struct fwnode_handle *fwnode, struct fwnode_handle *device_get_next_child_node(struct device *dev, struct fwnode_handle *child); -#define device_for_each_child_node(dev, child) \ - for (child = device_get_next_child_node(dev, NULL); child; \ +#define device_for_each_child_node(dev, child) \ + for (child = device_get_next_child_node(dev, NULL); child; \ child = device_get_next_child_node(dev, child)) void fwnode_handle_put(struct fwnode_handle *fwnode); @@ -144,24 +144,100 @@ static inline int fwnode_property_read_u64(struct fwnode_handle *fwnode, /** * struct property_entry - "Built-in" device property representation. * @name: Name of the property. - * @type: Type of the property. - * @nval: Number of items of type @type making up the value. - * @value: Value of the property (an array of @nval items of type @type). + * @length: Length of data making up the value. + * @is_array: True when the property is an array. + * @is_string: True when property is a string. + * @pointer: Pointer to the property (an array of items of the given type). + * @value: Value of the property (when it is a single item of the given type). */ struct property_entry { const char *name; - enum dev_prop_type type; - size_t nval; + size_t length; + bool is_array; + bool is_string; union { - void *raw_data; - u8 *u8_data; - u16 *u16_data; - u32 *u32_data; - u64 *u64_data; - const char **str; - } value; + union { + void *raw_data; + u8 *u8_data; + u16 *u16_data; + u32 *u32_data; + u64 *u64_data; + const char **str; + } pointer; + union { + unsigned long long raw_data; + u8 u8_data; + u16 u16_data; + u32 u32_data; + u64 u64_data; + const char *str; + } value; + }; }; +/* + * Note: the below four initializers for the anonymous union are carefully + * crafted to avoid gcc-4.4.4's problems with initialization of anon unions + * and structs. + */ + +#define PROPERTY_ENTRY_INTEGER_ARRAY(_name_, _type_, _val_) \ +{ \ + .name = _name_, \ + .length = ARRAY_SIZE(_val_) * sizeof(_type_), \ + .is_array = true, \ + .is_string = false, \ + { .pointer = { _type_##_data = _val_ } }, \ +} + +#define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_) \ + PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u8, _val_) +#define PROPERTY_ENTRY_U16_ARRAY(_name_, _val_) \ + PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u16, _val_) +#define PROPERTY_ENTRY_U32_ARRAY(_name_, _val_) \ + PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u32, _val_) +#define PROPERTY_ENTRY_U64_ARRAY(_name_, _val_) \ + PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u64, _val_) + +#define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_) \ +{ \ + .name = _name_, \ + .length = ARRAY_SIZE(_val_) * sizeof(const char *), \ + .is_array = true, \ + .is_string = true, \ + { .pointer = { .str = _val_ } }, \ +} + +#define PROPERTY_ENTRY_INTEGER(_name_, _type_, _val_) \ +{ \ + .name = _name_, \ + .length = sizeof(_type_), \ + .is_string = false, \ + { .value = { ._type_##_data = _val_ } }, \ +} + +#define PROPERTY_ENTRY_U8(_name_, _val_) \ + PROPERTY_ENTRY_INTEGER(_name_, u8, _val_) +#define PROPERTY_ENTRY_U16(_name_, _val_) \ + PROPERTY_ENTRY_INTEGER(_name_, u16, _val_) +#define PROPERTY_ENTRY_U32(_name_, _val_) \ + PROPERTY_ENTRY_INTEGER(_name_, u32, _val_) +#define PROPERTY_ENTRY_U64(_name_, _val_) \ + PROPERTY_ENTRY_INTEGER(_name_, u64, _val_) + +#define PROPERTY_ENTRY_STRING(_name_, _val_) \ +{ \ + .name = _name_, \ + .length = sizeof(_val_), \ + .is_string = true, \ + { .value = { .str = _val_ } }, \ +} + +#define PROPERTY_ENTRY_BOOL(_name_) \ +{ \ + .name = _name_, \ +} + /** * struct property_set - Collection of "built-in" device properties. * @fwnode: Handle to be pointed to by the fwnode field of struct device. @@ -172,7 +248,8 @@ struct property_set { struct property_entry *properties; }; -void device_add_property_set(struct device *dev, struct property_set *pset); +int device_add_property_set(struct device *dev, const struct property_set *pset); +void device_remove_property_set(struct device *dev); bool device_dma_supported(struct device *dev); diff --git a/include/linux/proportions.h b/include/linux/proportions.h index 5440f64..2122133 100644 --- a/include/linux/proportions.h +++ b/include/linux/proportions.h @@ -1,7 +1,7 @@ /* * FLoating proportions * - * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra * * This file contains the public data structure and API definitions. */ diff --git a/include/linux/qed/common_hsi.h b/include/linux/qed/common_hsi.h index 6a43476..1d1ba2c 100644 --- a/include/linux/qed/common_hsi.h +++ b/include/linux/qed/common_hsi.h @@ -9,6 +9,8 @@ #ifndef __COMMON_HSI__ #define __COMMON_HSI__ +#define CORE_SPQE_PAGE_SIZE_BYTES 4096 + #define FW_MAJOR_VERSION 8 #define FW_MINOR_VERSION 4 #define FW_REVISION_VERSION 2 diff --git a/include/linux/qed/qed_chain.h b/include/linux/qed/qed_chain.h index b920c36..41b9049 100644 --- a/include/linux/qed/qed_chain.h +++ b/include/linux/qed/qed_chain.h @@ -111,7 +111,8 @@ static inline u16 qed_chain_get_elem_left(struct qed_chain *p_chain) used = ((u32)0x10000u + (u32)(p_chain->prod_idx)) - (u32)p_chain->cons_idx; if (p_chain->mode == QED_CHAIN_MODE_NEXT_PTR) - used -= (used / p_chain->elem_per_page); + used -= p_chain->prod_idx / p_chain->elem_per_page - + p_chain->cons_idx / p_chain->elem_per_page; return p_chain->capacity - used; } diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h index 843ceca..e50b31d 100644 --- a/include/linux/rhashtable.h +++ b/include/linux/rhashtable.h @@ -19,6 +19,7 @@ #include <linux/atomic.h> #include <linux/compiler.h> +#include <linux/err.h> #include <linux/errno.h> #include <linux/jhash.h> #include <linux/list_nulls.h> @@ -339,10 +340,11 @@ static inline int lockdep_rht_bucket_is_held(const struct bucket_table *tbl, int rhashtable_init(struct rhashtable *ht, const struct rhashtable_params *params); -int rhashtable_insert_slow(struct rhashtable *ht, const void *key, - struct rhash_head *obj, - struct bucket_table *old_tbl); -int rhashtable_insert_rehash(struct rhashtable *ht); +struct bucket_table *rhashtable_insert_slow(struct rhashtable *ht, + const void *key, + struct rhash_head *obj, + struct bucket_table *old_tbl); +int rhashtable_insert_rehash(struct rhashtable *ht, struct bucket_table *tbl); int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter); void rhashtable_walk_exit(struct rhashtable_iter *iter); @@ -598,9 +600,11 @@ restart: new_tbl = rht_dereference_rcu(tbl->future_tbl, ht); if (unlikely(new_tbl)) { - err = rhashtable_insert_slow(ht, key, obj, new_tbl); - if (err == -EAGAIN) + tbl = rhashtable_insert_slow(ht, key, obj, new_tbl); + if (!IS_ERR_OR_NULL(tbl)) goto slow_path; + + err = PTR_ERR(tbl); goto out; } @@ -611,7 +615,7 @@ restart: if (unlikely(rht_grow_above_100(ht, tbl))) { slow_path: spin_unlock_bh(lock); - err = rhashtable_insert_rehash(ht); + err = rhashtable_insert_rehash(ht, tbl); rcu_read_unlock(); if (err) return err; diff --git a/include/linux/sched.h b/include/linux/sched.h index edad7a4..fa39434 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1455,14 +1455,15 @@ struct task_struct { /* Used for emulating ABI behavior of previous Linux versions */ unsigned int personality; - unsigned in_execve:1; /* Tell the LSMs that the process is doing an - * execve */ - unsigned in_iowait:1; - - /* Revert to default priority/policy when forking */ + /* scheduler bits, serialized by scheduler locks */ unsigned sched_reset_on_fork:1; unsigned sched_contributes_to_load:1; unsigned sched_migrated:1; + unsigned :0; /* force alignment to the next boundary */ + + /* unserialized, strictly 'current' */ + unsigned in_execve:1; /* bit to tell LSMs we're in execve */ + unsigned in_iowait:1; #ifdef CONFIG_MEMCG unsigned memcg_may_oom:1; #endif @@ -2002,7 +2003,8 @@ static inline int pid_alive(const struct task_struct *p) } /** - * is_global_init - check if a task structure is init + * is_global_init - check if a task structure is init. Since init + * is free to have sub-threads we need to check tgid. * @tsk: Task structure to be checked. * * Check if a task structure is the first user space task the kernel created. @@ -2011,7 +2013,7 @@ static inline int pid_alive(const struct task_struct *p) */ static inline int is_global_init(struct task_struct *tsk) { - return tsk->pid == 1; + return task_tgid_nr(tsk) == 1; } extern struct pid *cad_pid; diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h index 0adedca..0e1b154 100644 --- a/include/linux/stop_machine.h +++ b/include/linux/stop_machine.h @@ -99,7 +99,7 @@ static inline int try_stop_cpus(const struct cpumask *cpumask, * grabbing every spinlock (and more). So the "read" side to such a * lock is anything which disables preemption. */ -#if defined(CONFIG_STOP_MACHINE) && defined(CONFIG_SMP) +#if defined(CONFIG_SMP) || defined(CONFIG_HOTPLUG_CPU) /** * stop_machine: freeze the machine on all CPUs and run this function @@ -118,7 +118,7 @@ int stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus); int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus); -#else /* CONFIG_STOP_MACHINE && CONFIG_SMP */ +#else /* CONFIG_SMP || CONFIG_HOTPLUG_CPU */ static inline int stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus) @@ -137,5 +137,5 @@ static inline int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data, return stop_machine(fn, data, cpus); } -#endif /* CONFIG_STOP_MACHINE && CONFIG_SMP */ +#endif /* CONFIG_SMP || CONFIG_HOTPLUG_CPU */ #endif /* _LINUX_STOP_MACHINE */ diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h index 0bdc72f..4a29c75 100644 --- a/include/linux/uprobes.h +++ b/include/linux/uprobes.h @@ -21,7 +21,7 @@ * Authors: * Srikar Dronamraju * Jim Keniston - * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra */ #include <linux/errno.h> diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 1f6526c..3a375d0 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -138,6 +138,7 @@ struct cdc_ncm_ctx { }; u8 cdc_ncm_select_altsetting(struct usb_interface *intf); +int cdc_ncm_change_mtu(struct net_device *net, int new_mtu); int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags); void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index 9948c87..1d0043d 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -47,4 +47,7 @@ /* device generates spurious wakeup, ignore remote wakeup capability */ #define USB_QUIRK_IGNORE_REMOTE_WAKEUP BIT(9) +/* device can't handle Link Power Management */ +#define USB_QUIRK_NO_LPM BIT(10) + #endif /* __LINUX_USB_QUIRKS_H */ diff --git a/include/linux/vfio.h b/include/linux/vfio.h index 610a86a..ddb4409 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -44,9 +44,6 @@ struct vfio_device_ops { void (*request)(void *device_data, unsigned int count); }; -extern struct iommu_group *vfio_iommu_group_get(struct device *dev); -extern void vfio_iommu_group_put(struct iommu_group *group, struct device *dev); - extern int vfio_add_group_dev(struct device *dev, const struct vfio_device_ops *ops, void *device_data); diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 5dbc8b0..3e5d907 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -176,11 +176,11 @@ extern void zone_statistics(struct zone *, struct zone *, gfp_t gfp); #define sub_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, -(__d)) #ifdef CONFIG_SMP -void __mod_zone_page_state(struct zone *, enum zone_stat_item item, int); +void __mod_zone_page_state(struct zone *, enum zone_stat_item item, long); void __inc_zone_page_state(struct page *, enum zone_stat_item); void __dec_zone_page_state(struct page *, enum zone_stat_item); -void mod_zone_page_state(struct zone *, enum zone_stat_item, int); +void mod_zone_page_state(struct zone *, enum zone_stat_item, long); void inc_zone_page_state(struct page *, enum zone_stat_item); void dec_zone_page_state(struct page *, enum zone_stat_item); @@ -205,7 +205,7 @@ void set_pgdat_percpu_threshold(pg_data_t *pgdat, * The functions directly modify the zone and global counters. */ static inline void __mod_zone_page_state(struct zone *zone, - enum zone_stat_item item, int delta) + enum zone_stat_item item, long delta) { zone_page_state_add(delta, zone, item); } diff --git a/include/linux/wait.h b/include/linux/wait.h index 1e1bf9f..513b36f 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -145,7 +145,7 @@ __remove_wait_queue(wait_queue_head_t *head, wait_queue_t *old) list_del(&old->task_list); } -typedef int wait_bit_action_f(struct wait_bit_key *); +typedef int wait_bit_action_f(struct wait_bit_key *, int mode); void __wake_up(wait_queue_head_t *q, unsigned int mode, int nr, void *key); void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key); void __wake_up_sync_key(wait_queue_head_t *q, unsigned int mode, int nr, void *key); @@ -960,10 +960,10 @@ int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key); } while (0) -extern int bit_wait(struct wait_bit_key *); -extern int bit_wait_io(struct wait_bit_key *); -extern int bit_wait_timeout(struct wait_bit_key *); -extern int bit_wait_io_timeout(struct wait_bit_key *); +extern int bit_wait(struct wait_bit_key *, int); +extern int bit_wait_io(struct wait_bit_key *, int); +extern int bit_wait_timeout(struct wait_bit_key *, int); +extern int bit_wait_io_timeout(struct wait_bit_key *, int); /** * wait_on_bit - wait for a bit to be cleared diff --git a/include/net/dst.h b/include/net/dst.h index 1279f9b..c7329dc 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -322,6 +322,39 @@ static inline void skb_dst_force(struct sk_buff *skb) } } +/** + * dst_hold_safe - Take a reference on a dst if possible + * @dst: pointer to dst entry + * + * This helper returns false if it could not safely + * take a reference on a dst. + */ +static inline bool dst_hold_safe(struct dst_entry *dst) +{ + if (dst->flags & DST_NOCACHE) + return atomic_inc_not_zero(&dst->__refcnt); + dst_hold(dst); + return true; +} + +/** + * skb_dst_force_safe - makes sure skb dst is refcounted + * @skb: buffer + * + * If dst is not yet refcounted and not destroyed, grab a ref on it. + */ +static inline void skb_dst_force_safe(struct sk_buff *skb) +{ + if (skb_dst_is_noref(skb)) { + struct dst_entry *dst = skb_dst(skb); + + if (!dst_hold_safe(dst)) + dst = NULL; + + skb->_skb_refdst = (unsigned long)dst; + } +} + /** * __skb_tunnel_rx - prepare skb for rx reinsert diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index 2134e6d..625bdf9 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -210,18 +210,37 @@ struct inet_sock { #define IP_CMSG_ORIGDSTADDR BIT(6) #define IP_CMSG_CHECKSUM BIT(7) -/* SYNACK messages might be attached to request sockets. +/** + * sk_to_full_sk - Access to a full socket + * @sk: pointer to a socket + * + * SYNACK messages might be attached to request sockets. * Some places want to reach the listener in this case. */ -static inline struct sock *skb_to_full_sk(const struct sk_buff *skb) +static inline struct sock *sk_to_full_sk(struct sock *sk) { - struct sock *sk = skb->sk; - +#ifdef CONFIG_INET if (sk && sk->sk_state == TCP_NEW_SYN_RECV) sk = inet_reqsk(sk)->rsk_listener; +#endif + return sk; +} + +/* sk_to_full_sk() variant with a const argument */ +static inline const struct sock *sk_const_to_full_sk(const struct sock *sk) +{ +#ifdef CONFIG_INET + if (sk && sk->sk_state == TCP_NEW_SYN_RECV) + sk = ((const struct request_sock *)sk)->rsk_listener; +#endif return sk; } +static inline struct sock *skb_to_full_sk(const struct sk_buff *skb) +{ + return sk_to_full_sk(skb->sk); +} + static inline struct inet_sock *inet_sk(const struct sock *sk) { return (struct inet_sock *)sk; diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h index 4a6009d..235c781 100644 --- a/include/net/inetpeer.h +++ b/include/net/inetpeer.h @@ -78,6 +78,7 @@ void inet_initpeers(void) __init; static inline void inetpeer_set_addr_v4(struct inetpeer_addr *iaddr, __be32 ip) { iaddr->a4.addr = ip; + iaddr->a4.vif = 0; iaddr->family = AF_INET; } diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h index 774d85b..5689a0c 100644 --- a/include/net/l3mdev.h +++ b/include/net/l3mdev.h @@ -29,7 +29,7 @@ struct l3mdev_ops { /* IPv4 ops */ struct rtable * (*l3mdev_get_rtable)(const struct net_device *dev, const struct flowi4 *fl4); - void (*l3mdev_get_saddr)(struct net_device *dev, + int (*l3mdev_get_saddr)(struct net_device *dev, struct flowi4 *fl4); /* IPv6 ops */ @@ -112,10 +112,11 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex) return rc; } -static inline void l3mdev_get_saddr(struct net *net, int ifindex, - struct flowi4 *fl4) +static inline int l3mdev_get_saddr(struct net *net, int ifindex, + struct flowi4 *fl4) { struct net_device *dev; + int rc = 0; if (ifindex) { @@ -124,11 +125,13 @@ static inline void l3mdev_get_saddr(struct net *net, int ifindex, dev = dev_get_by_index_rcu(net, ifindex); if (dev && netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_get_saddr) { - dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4); + rc = dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4); } rcu_read_unlock(); } + + return rc; } static inline struct dst_entry *l3mdev_get_rt6_dst(const struct net_device *dev, @@ -200,9 +203,10 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex) return false; } -static inline void l3mdev_get_saddr(struct net *net, int ifindex, - struct flowi4 *fl4) +static inline int l3mdev_get_saddr(struct net *net, int ifindex, + struct flowi4 *fl4) { + return 0; } static inline diff --git a/include/net/route.h b/include/net/route.h index ee81307..a3b9ef7 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -283,7 +283,12 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4, sport, dport, sk); if (!src && oif) { - l3mdev_get_saddr(net, oif, fl4); + int rc; + + rc = l3mdev_get_saddr(net, oif, fl4); + if (rc < 0) + return ERR_PTR(rc); + src = fl4->saddr; } if (!dst || !src) { diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 7bbb710..eea9bde 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1493,7 +1493,8 @@ struct sctp_association { * : SACK's are not delayed (see Section 6). */ __u8 sack_needed:1, /* Do we need to sack the peer? */ - sack_generation:1; + sack_generation:1, + zero_window_announced:1; __u32 sack_cnt; __u32 adaptation_ind; /* Adaptation Code point. */ diff --git a/include/net/sock.h b/include/net/sock.h index 52d27ee..14d3c07 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -388,7 +388,7 @@ struct sock { struct socket_wq *sk_wq_raw; }; #ifdef CONFIG_XFRM - struct xfrm_policy *sk_policy[2]; + struct xfrm_policy __rcu *sk_policy[2]; #endif struct dst_entry *sk_rx_dst; struct dst_entry __rcu *sk_dst_cache; @@ -404,6 +404,7 @@ struct sock { sk_userlocks : 4, sk_protocol : 8, sk_type : 16; +#define SK_PROTOCOL_MAX U8_MAX kmemcheck_bitfield_end(flags); int sk_wmem_queued; gfp_t sk_allocation; @@ -740,6 +741,8 @@ enum sock_flags { SOCK_SELECT_ERR_QUEUE, /* Wake select on error queue */ }; +#define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE)) + static inline void sock_copy_flags(struct sock *nsk, struct sock *osk) { nsk->sk_flags = osk->sk_flags; @@ -814,7 +817,7 @@ void sk_stream_write_space(struct sock *sk); static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb) { /* dont let skb dst not refcounted, we are going to leave rcu lock */ - skb_dst_force(skb); + skb_dst_force_safe(skb); if (!sk->sk_backlog.tail) sk->sk_backlog.head = skb; diff --git a/include/net/vxlan.h b/include/net/vxlan.h index c1c899c..e289ada 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -79,7 +79,7 @@ struct vxlanhdr { }; /* VXLAN header flags. */ -#define VXLAN_HF_RCO BIT(24) +#define VXLAN_HF_RCO BIT(21) #define VXLAN_HF_VNI BIT(27) #define VXLAN_HF_GBP BIT(31) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 4a9c21f..d6f6e50 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -548,6 +548,7 @@ struct xfrm_policy { u16 family; struct xfrm_sec_ctx *security; struct xfrm_tmpl xfrm_vec[XFRM_MAX_DEPTH]; + struct rcu_head rcu; }; static inline struct net *xp_net(const struct xfrm_policy *xp) @@ -1141,12 +1142,14 @@ static inline int xfrm6_route_forward(struct sk_buff *skb) return xfrm_route_forward(skb, AF_INET6); } -int __xfrm_sk_clone_policy(struct sock *sk); +int __xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk); -static inline int xfrm_sk_clone_policy(struct sock *sk) +static inline int xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk) { - if (unlikely(sk->sk_policy[0] || sk->sk_policy[1])) - return __xfrm_sk_clone_policy(sk); + sk->sk_policy[0] = NULL; + sk->sk_policy[1] = NULL; + if (unlikely(osk->sk_policy[0] || osk->sk_policy[1])) + return __xfrm_sk_clone_policy(sk, osk); return 0; } @@ -1154,12 +1157,16 @@ int xfrm_policy_delete(struct xfrm_policy *pol, int dir); static inline void xfrm_sk_free_policy(struct sock *sk) { - if (unlikely(sk->sk_policy[0] != NULL)) { - xfrm_policy_delete(sk->sk_policy[0], XFRM_POLICY_MAX); + struct xfrm_policy *pol; + + pol = rcu_dereference_protected(sk->sk_policy[0], 1); + if (unlikely(pol != NULL)) { + xfrm_policy_delete(pol, XFRM_POLICY_MAX); sk->sk_policy[0] = NULL; } - if (unlikely(sk->sk_policy[1] != NULL)) { - xfrm_policy_delete(sk->sk_policy[1], XFRM_POLICY_MAX+1); + pol = rcu_dereference_protected(sk->sk_policy[1], 1); + if (unlikely(pol != NULL)) { + xfrm_policy_delete(pol, XFRM_POLICY_MAX+1); sk->sk_policy[1] = NULL; } } @@ -1169,7 +1176,7 @@ void xfrm_garbage_collect(struct net *net); #else static inline void xfrm_sk_free_policy(struct sock *sk) {} -static inline int xfrm_sk_clone_policy(struct sock *sk) { return 0; } +static inline int xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk) { return 0; } static inline int xfrm6_route_forward(struct sk_buff *skb) { return 1; } static inline int xfrm4_route_forward(struct sk_buff *skb) { return 1; } static inline int xfrm6_policy_check(struct sock *sk, int dir, struct sk_buff *skb) diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h index 188df91..ec9b44d 100644 --- a/include/rdma/ib_mad.h +++ b/include/rdma/ib_mad.h @@ -237,6 +237,8 @@ struct ib_vendor_mad { u8 data[IB_MGMT_VENDOR_DATA]; }; +#define IB_MGMT_CLASSPORTINFO_ATTR_ID cpu_to_be16(0x0001) + struct ib_class_port_info { u8 base_version; u8 class_version; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 9a68a19..120da1d 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1271,6 +1271,7 @@ struct ib_uobject { int id; /* index into kernel idr */ struct kref ref; struct rw_semaphore mutex; /* protects .live */ + struct rcu_head rcu; /* kfree_rcu() overhead */ int live; }; diff --git a/include/sound/hda_register.h b/include/sound/hda_register.h index 2ae8812..94dc6a9 100644 --- a/include/sound/hda_register.h +++ b/include/sound/hda_register.h @@ -93,6 +93,9 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; #define AZX_REG_HSW_EM4 0x100c #define AZX_REG_HSW_EM5 0x1010 +/* Skylake/Broxton display HD-A controller Extended Mode registers */ +#define AZX_REG_SKL_EM4L 0x1040 + /* PCI space */ #define AZX_PCIREG_TCSEL 0x44 diff --git a/include/sound/soc.h b/include/sound/soc.h index a8b4b9c..fb955e6 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1655,7 +1655,7 @@ extern const struct dev_pm_ops snd_soc_pm_ops; /* Helper functions */ static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) { - mutex_lock(&dapm->card->dapm_mutex); + mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); } static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index 628e6e6..c2e5d6c 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -186,6 +186,7 @@ header-y += if_tunnel.h header-y += if_vlan.h header-y += if_x25.h header-y += igmp.h +header-y += ila.h header-y += in6.h header-y += inet_diag.h header-y += in.h diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h index 28ccedd..a27222d 100644 --- a/include/uapi/linux/openvswitch.h +++ b/include/uapi/linux/openvswitch.h @@ -628,7 +628,7 @@ struct ovs_action_hash { * @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the * mask, the corresponding bit in the value is copied to the connection * tracking mark field in the connection. - * @OVS_CT_ATTR_LABEL: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN + * @OVS_CT_ATTR_LABELS: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN * mask. For each bit set in the mask, the corresponding bit in the value is * copied to the connection tracking label field in the connection. * @OVS_CT_ATTR_HELPER: variable length string defining conntrack ALG. diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 751b69f..9fd7b5d 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -39,13 +39,6 @@ #define VFIO_SPAPR_TCE_v2_IOMMU 7 /* - * The No-IOMMU IOMMU offers no translation or isolation for devices and - * supports no ioctls outside of VFIO_CHECK_EXTENSION. Use of VFIO's No-IOMMU - * code will taint the host kernel and should be used with extreme caution. - */ -#define VFIO_NOIOMMU_IOMMU 8 - -/* * The IOCTL interface is designed for extensibility by embedding the * structure length (argsz) and flags into structures passed between * kernel and userspace. We therefore use the _IO() macro for these diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h index 7d28aff..7dc685b 100644 --- a/include/xen/interface/io/ring.h +++ b/include/xen/interface/io/ring.h @@ -181,6 +181,20 @@ struct __name##_back_ring { \ #define RING_GET_REQUEST(_r, _idx) \ (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req)) +/* + * Get a local copy of a request. + * + * Use this in preference to RING_GET_REQUEST() so all processing is + * done on a local copy that cannot be modified by the other end. + * + * Note that https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 may cause this + * to be ineffective where _req is a struct which consists of only bitfields. + */ +#define RING_COPY_REQUEST(_r, _idx, _req) do { \ + /* Use volatile to force the copy into _req. */ \ + *(_req) = *(volatile typeof(_req))RING_GET_REQUEST(_r, _idx); \ +} while (0) + #define RING_GET_RESPONSE(_r, _idx) \ (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp)) diff --git a/init/Kconfig b/init/Kconfig index c24b6f7..235c7a2 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -2030,13 +2030,6 @@ config INIT_ALL_POSSIBLE it was better to provide this option than to break all the archs and have several arch maintainers pursuing me down dark alleys. -config STOP_MACHINE - bool - default y - depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU - help - Need stop_machine() primitive. - source "block/Kconfig" config PREEMPT_NOTIFIERS diff --git a/kernel/cgroup.c b/kernel/cgroup.c index f1603c1..470f653 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -98,6 +98,12 @@ static DEFINE_SPINLOCK(css_set_lock); static DEFINE_SPINLOCK(cgroup_idr_lock); /* + * Protects cgroup_file->kn for !self csses. It synchronizes notifications + * against file removal/re-creation across css hiding. + */ +static DEFINE_SPINLOCK(cgroup_file_kn_lock); + +/* * Protects cgroup_subsys->release_agent_path. Modifying it also requires * cgroup_mutex. Reading requires either cgroup_mutex or this spinlock. */ @@ -754,9 +760,11 @@ static void put_css_set_locked(struct css_set *cset) if (!atomic_dec_and_test(&cset->refcount)) return; - /* This css_set is dead. unlink it and release cgroup refcounts */ - for_each_subsys(ss, ssid) + /* This css_set is dead. unlink it and release cgroup and css refs */ + for_each_subsys(ss, ssid) { list_del(&cset->e_cset_node[ssid]); + css_put(cset->subsys[ssid]); + } hash_del(&cset->hlist); css_set_count--; @@ -1056,9 +1064,13 @@ static struct css_set *find_css_set(struct css_set *old_cset, key = css_set_hash(cset->subsys); hash_add(css_set_table, &cset->hlist, key); - for_each_subsys(ss, ssid) + for_each_subsys(ss, ssid) { + struct cgroup_subsys_state *css = cset->subsys[ssid]; + list_add_tail(&cset->e_cset_node[ssid], - &cset->subsys[ssid]->cgroup->e_csets[ssid]); + &css->cgroup->e_csets[ssid]); + css_get(css); + } spin_unlock_bh(&css_set_lock); @@ -1393,6 +1405,16 @@ static void cgroup_rm_file(struct cgroup *cgrp, const struct cftype *cft) char name[CGROUP_FILE_NAME_MAX]; lockdep_assert_held(&cgroup_mutex); + + if (cft->file_offset) { + struct cgroup_subsys_state *css = cgroup_css(cgrp, cft->ss); + struct cgroup_file *cfile = (void *)css + cft->file_offset; + + spin_lock_irq(&cgroup_file_kn_lock); + cfile->kn = NULL; + spin_unlock_irq(&cgroup_file_kn_lock); + } + kernfs_remove_by_name(cgrp->kn, cgroup_file_name(cgrp, cft, name)); } @@ -1856,7 +1878,6 @@ static void init_cgroup_housekeeping(struct cgroup *cgrp) INIT_LIST_HEAD(&cgrp->self.sibling); INIT_LIST_HEAD(&cgrp->self.children); - INIT_LIST_HEAD(&cgrp->self.files); INIT_LIST_HEAD(&cgrp->cset_links); INIT_LIST_HEAD(&cgrp->pidlists); mutex_init(&cgrp->pidlist_mutex); @@ -2216,6 +2237,9 @@ struct cgroup_taskset { struct list_head src_csets; struct list_head dst_csets; + /* the subsys currently being processed */ + int ssid; + /* * Fields for cgroup_taskset_*() iteration. * @@ -2278,25 +2302,29 @@ static void cgroup_taskset_add(struct task_struct *task, /** * cgroup_taskset_first - reset taskset and return the first task * @tset: taskset of interest + * @dst_cssp: output variable for the destination css * * @tset iteration is initialized and the first task is returned. */ -struct task_struct *cgroup_taskset_first(struct cgroup_taskset *tset) +struct task_struct *cgroup_taskset_first(struct cgroup_taskset *tset, + struct cgroup_subsys_state **dst_cssp) { tset->cur_cset = list_first_entry(tset->csets, struct css_set, mg_node); tset->cur_task = NULL; - return cgroup_taskset_next(tset); + return cgroup_taskset_next(tset, dst_cssp); } /** * cgroup_taskset_next - iterate to the next task in taskset * @tset: taskset of interest + * @dst_cssp: output variable for the destination css * * Return the next task in @tset. Iteration must have been initialized * with cgroup_taskset_first(). */ -struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset) +struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset, + struct cgroup_subsys_state **dst_cssp) { struct css_set *cset = tset->cur_cset; struct task_struct *task = tset->cur_task; @@ -2311,6 +2339,18 @@ struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset) if (&task->cg_list != &cset->mg_tasks) { tset->cur_cset = cset; tset->cur_task = task; + + /* + * This function may be called both before and + * after cgroup_taskset_migrate(). The two cases + * can be distinguished by looking at whether @cset + * has its ->mg_dst_cset set. + */ + if (cset->mg_dst_cset) + *dst_cssp = cset->mg_dst_cset->subsys[tset->ssid]; + else + *dst_cssp = cset->subsys[tset->ssid]; + return task; } @@ -2346,7 +2386,8 @@ static int cgroup_taskset_migrate(struct cgroup_taskset *tset, /* check that we can legitimately attach to the cgroup */ for_each_e_css(css, i, dst_cgrp) { if (css->ss->can_attach) { - ret = css->ss->can_attach(css, tset); + tset->ssid = i; + ret = css->ss->can_attach(tset); if (ret) { failed_css = css; goto out_cancel_attach; @@ -2379,9 +2420,12 @@ static int cgroup_taskset_migrate(struct cgroup_taskset *tset, */ tset->csets = &tset->dst_csets; - for_each_e_css(css, i, dst_cgrp) - if (css->ss->attach) - css->ss->attach(css, tset); + for_each_e_css(css, i, dst_cgrp) { + if (css->ss->attach) { + tset->ssid = i; + css->ss->attach(tset); + } + } ret = 0; goto out_release_tset; @@ -2390,8 +2434,10 @@ out_cancel_attach: for_each_e_css(css, i, dst_cgrp) { if (css == failed_css) break; - if (css->ss->cancel_attach) - css->ss->cancel_attach(css, tset); + if (css->ss->cancel_attach) { + tset->ssid = i; + css->ss->cancel_attach(tset); + } } out_release_tset: spin_lock_bh(&css_set_lock); @@ -3313,9 +3359,9 @@ static int cgroup_add_file(struct cgroup_subsys_state *css, struct cgroup *cgrp, if (cft->file_offset) { struct cgroup_file *cfile = (void *)css + cft->file_offset; - kernfs_get(kn); + spin_lock_irq(&cgroup_file_kn_lock); cfile->kn = kn; - list_add(&cfile->node, &css->files); + spin_unlock_irq(&cgroup_file_kn_lock); } return 0; @@ -3553,6 +3599,22 @@ int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts) } /** + * cgroup_file_notify - generate a file modified event for a cgroup_file + * @cfile: target cgroup_file + * + * @cfile must have been obtained by setting cftype->file_offset. + */ +void cgroup_file_notify(struct cgroup_file *cfile) +{ + unsigned long flags; + + spin_lock_irqsave(&cgroup_file_kn_lock, flags); + if (cfile->kn) + kernfs_notify(cfile->kn); + spin_unlock_irqrestore(&cgroup_file_kn_lock, flags); +} + +/** * cgroup_task_count - count the number of tasks in a cgroup. * @cgrp: the cgroup in question * @@ -4613,13 +4675,9 @@ static void css_free_work_fn(struct work_struct *work) container_of(work, struct cgroup_subsys_state, destroy_work); struct cgroup_subsys *ss = css->ss; struct cgroup *cgrp = css->cgroup; - struct cgroup_file *cfile; percpu_ref_exit(&css->refcnt); - list_for_each_entry(cfile, &css->files, node) - kernfs_put(cfile->kn); - if (ss) { /* css free path */ int id = css->id; @@ -4724,7 +4782,6 @@ static void init_and_link_css(struct cgroup_subsys_state *css, css->ss = ss; INIT_LIST_HEAD(&css->sibling); INIT_LIST_HEAD(&css->children); - INIT_LIST_HEAD(&css->files); css->serial_nr = css_serial_nr_next++; if (cgroup_parent(cgrp)) { diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c index f1b30ad..2d3df82 100644 --- a/kernel/cgroup_freezer.c +++ b/kernel/cgroup_freezer.c @@ -155,12 +155,10 @@ static void freezer_css_free(struct cgroup_subsys_state *css) * @freezer->lock. freezer_attach() makes the new tasks conform to the * current state and all following state changes can see the new tasks. */ -static void freezer_attach(struct cgroup_subsys_state *new_css, - struct cgroup_taskset *tset) +static void freezer_attach(struct cgroup_taskset *tset) { - struct freezer *freezer = css_freezer(new_css); struct task_struct *task; - bool clear_frozen = false; + struct cgroup_subsys_state *new_css; mutex_lock(&freezer_mutex); @@ -174,22 +172,21 @@ static void freezer_attach(struct cgroup_subsys_state *new_css, * current state before executing the following - !frozen tasks may * be visible in a FROZEN cgroup and frozen tasks in a THAWED one. */ - cgroup_taskset_for_each(task, tset) { + cgroup_taskset_for_each(task, new_css, tset) { + struct freezer *freezer = css_freezer(new_css); + if (!(freezer->state & CGROUP_FREEZING)) { __thaw_task(task); } else { freeze_task(task); - freezer->state &= ~CGROUP_FROZEN; - clear_frozen = true; + /* clear FROZEN and propagate upwards */ + while (freezer && (freezer->state & CGROUP_FROZEN)) { + freezer->state &= ~CGROUP_FROZEN; + freezer = parent_freezer(freezer); + } } } - /* propagate FROZEN clearing upwards */ - while (clear_frozen && (freezer = parent_freezer(freezer))) { - freezer->state &= ~CGROUP_FROZEN; - clear_frozen = freezer->state & CGROUP_FREEZING; - } - mutex_unlock(&freezer_mutex); } diff --git a/kernel/cgroup_pids.c b/kernel/cgroup_pids.c index cdd8df4..b50d5a1 100644 --- a/kernel/cgroup_pids.c +++ b/kernel/cgroup_pids.c @@ -106,7 +106,7 @@ static void pids_uncharge(struct pids_cgroup *pids, int num) { struct pids_cgroup *p; - for (p = pids; p; p = parent_pids(p)) + for (p = pids; parent_pids(p); p = parent_pids(p)) pids_cancel(p, num); } @@ -123,7 +123,7 @@ static void pids_charge(struct pids_cgroup *pids, int num) { struct pids_cgroup *p; - for (p = pids; p; p = parent_pids(p)) + for (p = pids; parent_pids(p); p = parent_pids(p)) atomic64_add(num, &p->counter); } @@ -140,7 +140,7 @@ static int pids_try_charge(struct pids_cgroup *pids, int num) { struct pids_cgroup *p, *q; - for (p = pids; p; p = parent_pids(p)) { + for (p = pids; parent_pids(p); p = parent_pids(p)) { int64_t new = atomic64_add_return(num, &p->counter); /* @@ -162,13 +162,13 @@ revert: return -EAGAIN; } -static int pids_can_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static int pids_can_attach(struct cgroup_taskset *tset) { - struct pids_cgroup *pids = css_pids(css); struct task_struct *task; + struct cgroup_subsys_state *dst_css; - cgroup_taskset_for_each(task, tset) { + cgroup_taskset_for_each(task, dst_css, tset) { + struct pids_cgroup *pids = css_pids(dst_css); struct cgroup_subsys_state *old_css; struct pids_cgroup *old_pids; @@ -187,13 +187,13 @@ static int pids_can_attach(struct cgroup_subsys_state *css, return 0; } -static void pids_cancel_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void pids_cancel_attach(struct cgroup_taskset *tset) { - struct pids_cgroup *pids = css_pids(css); struct task_struct *task; + struct cgroup_subsys_state *dst_css; - cgroup_taskset_for_each(task, tset) { + cgroup_taskset_for_each(task, dst_css, tset) { + struct pids_cgroup *pids = css_pids(dst_css); struct cgroup_subsys_state *old_css; struct pids_cgroup *old_pids; @@ -205,65 +205,28 @@ static void pids_cancel_attach(struct cgroup_subsys_state *css, } } +/* + * task_css_check(true) in pids_can_fork() and pids_cancel_fork() relies + * on threadgroup_change_begin() held by the copy_process(). + */ static int pids_can_fork(struct task_struct *task, void **priv_p) { struct cgroup_subsys_state *css; struct pids_cgroup *pids; - int err; - /* - * Use the "current" task_css for the pids subsystem as the tentative - * css. It is possible we will charge the wrong hierarchy, in which - * case we will forcefully revert/reapply the charge on the right - * hierarchy after it is committed to the task proper. - */ - css = task_get_css(current, pids_cgrp_id); + css = task_css_check(current, pids_cgrp_id, true); pids = css_pids(css); - - err = pids_try_charge(pids, 1); - if (err) - goto err_css_put; - - *priv_p = css; - return 0; - -err_css_put: - css_put(css); - return err; + return pids_try_charge(pids, 1); } static void pids_cancel_fork(struct task_struct *task, void *priv) { - struct cgroup_subsys_state *css = priv; - struct pids_cgroup *pids = css_pids(css); - - pids_uncharge(pids, 1); - css_put(css); -} - -static void pids_fork(struct task_struct *task, void *priv) -{ struct cgroup_subsys_state *css; - struct cgroup_subsys_state *old_css = priv; struct pids_cgroup *pids; - struct pids_cgroup *old_pids = css_pids(old_css); - css = task_get_css(task, pids_cgrp_id); + css = task_css_check(current, pids_cgrp_id, true); pids = css_pids(css); - - /* - * If the association has changed, we have to revert and reapply the - * charge/uncharge on the wrong hierarchy to the current one. Since - * the association can only change due to an organisation event, its - * okay for us to ignore the limit in this case. - */ - if (pids != old_pids) { - pids_uncharge(old_pids, 1); - pids_charge(pids, 1); - } - - css_put(css); - css_put(old_css); + pids_uncharge(pids, 1); } static void pids_free(struct task_struct *task) @@ -335,6 +298,7 @@ static struct cftype pids_files[] = { { .name = "current", .read_s64 = pids_current_read, + .flags = CFTYPE_NOT_ON_ROOT, }, { } /* terminate */ }; @@ -346,7 +310,6 @@ struct cgroup_subsys pids_cgrp_subsys = { .cancel_attach = pids_cancel_attach, .can_fork = pids_can_fork, .cancel_fork = pids_cancel_fork, - .fork = pids_fork, .free = pids_free, .legacy_cftypes = pids_files, .dfl_cftypes = pids_files, diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 10ae736..02a8ea5 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1429,15 +1429,16 @@ static int fmeter_getrate(struct fmeter *fmp) static struct cpuset *cpuset_attach_old_cs; /* Called by cgroups to determine if a cpuset is usable; cpuset_mutex held */ -static int cpuset_can_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static int cpuset_can_attach(struct cgroup_taskset *tset) { - struct cpuset *cs = css_cs(css); + struct cgroup_subsys_state *css; + struct cpuset *cs; struct task_struct *task; int ret; /* used later by cpuset_attach() */ - cpuset_attach_old_cs = task_cs(cgroup_taskset_first(tset)); + cpuset_attach_old_cs = task_cs(cgroup_taskset_first(tset, &css)); + cs = css_cs(css); mutex_lock(&cpuset_mutex); @@ -1447,7 +1448,7 @@ static int cpuset_can_attach(struct cgroup_subsys_state *css, (cpumask_empty(cs->cpus_allowed) || nodes_empty(cs->mems_allowed))) goto out_unlock; - cgroup_taskset_for_each(task, tset) { + cgroup_taskset_for_each(task, css, tset) { ret = task_can_attach(task, cs->cpus_allowed); if (ret) goto out_unlock; @@ -1467,9 +1468,14 @@ out_unlock: return ret; } -static void cpuset_cancel_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void cpuset_cancel_attach(struct cgroup_taskset *tset) { + struct cgroup_subsys_state *css; + struct cpuset *cs; + + cgroup_taskset_first(tset, &css); + cs = css_cs(css); + mutex_lock(&cpuset_mutex); css_cs(css)->attach_in_progress--; mutex_unlock(&cpuset_mutex); @@ -1482,16 +1488,19 @@ static void cpuset_cancel_attach(struct cgroup_subsys_state *css, */ static cpumask_var_t cpus_attach; -static void cpuset_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void cpuset_attach(struct cgroup_taskset *tset) { /* static buf protected by cpuset_mutex */ static nodemask_t cpuset_attach_nodemask_to; struct task_struct *task; struct task_struct *leader; - struct cpuset *cs = css_cs(css); + struct cgroup_subsys_state *css; + struct cpuset *cs; struct cpuset *oldcs = cpuset_attach_old_cs; + cgroup_taskset_first(tset, &css); + cs = css_cs(css); + mutex_lock(&cpuset_mutex); /* prepare for attach */ @@ -1502,7 +1511,7 @@ static void cpuset_attach(struct cgroup_subsys_state *css, guarantee_online_mems(cs, &cpuset_attach_nodemask_to); - cgroup_taskset_for_each(task, tset) { + cgroup_taskset_for_each(task, css, tset) { /* * can_attach beforehand should guarantee that this doesn't * fail. TODO: have a better way to handle failure here @@ -1518,7 +1527,7 @@ static void cpuset_attach(struct cgroup_subsys_state *css, * sleep and should be moved outside migration path proper. */ cpuset_attach_nodemask_to = cs->effective_mems; - cgroup_taskset_for_each_leader(leader, tset) { + cgroup_taskset_for_each_leader(leader, css, tset) { struct mm_struct *mm = get_task_mm(leader); if (mm) { diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c index d659487..9c41800 100644 --- a/kernel/events/callchain.c +++ b/kernel/events/callchain.c @@ -3,7 +3,7 @@ * * Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de> * Copyright (C) 2008-2011 Red Hat, Inc., Ingo Molnar - * Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra * Copyright © 2009 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> * * For licensing details see kernel-base/COPYING diff --git a/kernel/events/core.c b/kernel/events/core.c index 36babfd..cfc227c 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3,7 +3,7 @@ * * Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de> * Copyright (C) 2008-2011 Red Hat, Inc., Ingo Molnar - * Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra * Copyright © 2009 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> * * For licensing details see kernel-base/COPYING @@ -435,7 +435,7 @@ static inline void update_cgrp_time_from_event(struct perf_event *event) if (!is_cgroup_event(event)) return; - cgrp = perf_cgroup_from_task(current); + cgrp = perf_cgroup_from_task(current, event->ctx); /* * Do not update time when cgroup is not active */ @@ -458,7 +458,7 @@ perf_cgroup_set_timestamp(struct task_struct *task, if (!task || !ctx->nr_cgroups) return; - cgrp = perf_cgroup_from_task(task); + cgrp = perf_cgroup_from_task(task, ctx); info = this_cpu_ptr(cgrp->info); info->timestamp = ctx->timestamp; } @@ -489,7 +489,6 @@ static void perf_cgroup_switch(struct task_struct *task, int mode) * we reschedule only in the presence of cgroup * constrained events. */ - rcu_read_lock(); list_for_each_entry_rcu(pmu, &pmus, entry) { cpuctx = this_cpu_ptr(pmu->pmu_cpu_context); @@ -522,8 +521,10 @@ static void perf_cgroup_switch(struct task_struct *task, int mode) * set cgrp before ctxsw in to allow * event_filter_match() to not have to pass * task around + * we pass the cpuctx->ctx to perf_cgroup_from_task() + * because cgorup events are only per-cpu */ - cpuctx->cgrp = perf_cgroup_from_task(task); + cpuctx->cgrp = perf_cgroup_from_task(task, &cpuctx->ctx); cpu_ctx_sched_in(cpuctx, EVENT_ALL, task); } perf_pmu_enable(cpuctx->ctx.pmu); @@ -531,8 +532,6 @@ static void perf_cgroup_switch(struct task_struct *task, int mode) } } - rcu_read_unlock(); - local_irq_restore(flags); } @@ -542,17 +541,20 @@ static inline void perf_cgroup_sched_out(struct task_struct *task, struct perf_cgroup *cgrp1; struct perf_cgroup *cgrp2 = NULL; + rcu_read_lock(); /* * we come here when we know perf_cgroup_events > 0 + * we do not need to pass the ctx here because we know + * we are holding the rcu lock */ - cgrp1 = perf_cgroup_from_task(task); + cgrp1 = perf_cgroup_from_task(task, NULL); /* * next is NULL when called from perf_event_enable_on_exec() * that will systematically cause a cgroup_switch() */ if (next) - cgrp2 = perf_cgroup_from_task(next); + cgrp2 = perf_cgroup_from_task(next, NULL); /* * only schedule out current cgroup events if we know @@ -561,6 +563,8 @@ static inline void perf_cgroup_sched_out(struct task_struct *task, */ if (cgrp1 != cgrp2) perf_cgroup_switch(task, PERF_CGROUP_SWOUT); + + rcu_read_unlock(); } static inline void perf_cgroup_sched_in(struct task_struct *prev, @@ -569,13 +573,16 @@ static inline void perf_cgroup_sched_in(struct task_struct *prev, struct perf_cgroup *cgrp1; struct perf_cgroup *cgrp2 = NULL; + rcu_read_lock(); /* * we come here when we know perf_cgroup_events > 0 + * we do not need to pass the ctx here because we know + * we are holding the rcu lock */ - cgrp1 = perf_cgroup_from_task(task); + cgrp1 = perf_cgroup_from_task(task, NULL); /* prev can never be NULL */ - cgrp2 = perf_cgroup_from_task(prev); + cgrp2 = perf_cgroup_from_task(prev, NULL); /* * only need to schedule in cgroup events if we are changing @@ -584,6 +591,8 @@ static inline void perf_cgroup_sched_in(struct task_struct *prev, */ if (cgrp1 != cgrp2) perf_cgroup_switch(task, PERF_CGROUP_SWIN); + + rcu_read_unlock(); } static inline int perf_cgroup_connect(int fd, struct perf_event *event, @@ -3145,15 +3154,16 @@ static int event_enable_on_exec(struct perf_event *event, * Enable all of a task's events that have been marked enable-on-exec. * This expects task == current. */ -static void perf_event_enable_on_exec(struct perf_event_context *ctx) +static void perf_event_enable_on_exec(int ctxn) { - struct perf_event_context *clone_ctx = NULL; + struct perf_event_context *ctx, *clone_ctx = NULL; struct perf_event *event; unsigned long flags; int enabled = 0; int ret; local_irq_save(flags); + ctx = current->perf_event_ctxp[ctxn]; if (!ctx || !ctx->nr_events) goto out; @@ -3196,17 +3206,11 @@ out: void perf_event_exec(void) { - struct perf_event_context *ctx; int ctxn; rcu_read_lock(); - for_each_task_context_nr(ctxn) { - ctx = current->perf_event_ctxp[ctxn]; - if (!ctx) - continue; - - perf_event_enable_on_exec(ctx); - } + for_each_task_context_nr(ctxn) + perf_event_enable_on_exec(ctxn); rcu_read_unlock(); } @@ -4216,7 +4220,14 @@ retry: goto retry; } - __perf_event_period(&pe); + if (event->attr.freq) { + event->attr.sample_freq = value; + } else { + event->attr.sample_period = value; + event->hw.sample_period = value; + } + + local64_set(&event->hw.period_left, 0); raw_spin_unlock_irq(&ctx->lock); return 0; @@ -5667,6 +5678,17 @@ perf_event_aux_ctx(struct perf_event_context *ctx, } static void +perf_event_aux_task_ctx(perf_event_aux_output_cb output, void *data, + struct perf_event_context *task_ctx) +{ + rcu_read_lock(); + preempt_disable(); + perf_event_aux_ctx(task_ctx, output, data); + preempt_enable(); + rcu_read_unlock(); +} + +static void perf_event_aux(perf_event_aux_output_cb output, void *data, struct perf_event_context *task_ctx) { @@ -5675,14 +5697,23 @@ perf_event_aux(perf_event_aux_output_cb output, void *data, struct pmu *pmu; int ctxn; + /* + * If we have task_ctx != NULL we only notify + * the task context itself. The task_ctx is set + * only for EXIT events before releasing task + * context. + */ + if (task_ctx) { + perf_event_aux_task_ctx(output, data, task_ctx); + return; + } + rcu_read_lock(); list_for_each_entry_rcu(pmu, &pmus, entry) { cpuctx = get_cpu_ptr(pmu->pmu_cpu_context); if (cpuctx->unique_pmu != pmu) goto next; perf_event_aux_ctx(&cpuctx->ctx, output, data); - if (task_ctx) - goto next; ctxn = pmu->task_ctx_nr; if (ctxn < 0) goto next; @@ -5692,12 +5723,6 @@ perf_event_aux(perf_event_aux_output_cb output, void *data, next: put_cpu_ptr(pmu->pmu_cpu_context); } - - if (task_ctx) { - preempt_disable(); - perf_event_aux_ctx(task_ctx, output, data); - preempt_enable(); - } rcu_read_unlock(); } @@ -6463,9 +6488,6 @@ struct swevent_htable { /* Recursion avoidance in each contexts */ int recursion[PERF_NR_CONTEXTS]; - - /* Keeps track of cpu being initialized/exited */ - bool online; }; static DEFINE_PER_CPU(struct swevent_htable, swevent_htable); @@ -6723,14 +6745,8 @@ static int perf_swevent_add(struct perf_event *event, int flags) hwc->state = !(flags & PERF_EF_START); head = find_swevent_head(swhash, event); - if (!head) { - /* - * We can race with cpu hotplug code. Do not - * WARN if the cpu just got unplugged. - */ - WARN_ON_ONCE(swhash->online); + if (WARN_ON_ONCE(!head)) return -EINVAL; - } hlist_add_head_rcu(&event->hlist_entry, head); perf_event_update_userpage(event); @@ -6798,7 +6814,6 @@ static int swevent_hlist_get_cpu(struct perf_event *event, int cpu) int err = 0; mutex_lock(&swhash->hlist_mutex); - if (!swevent_hlist_deref(swhash) && cpu_online(cpu)) { struct swevent_hlist *hlist; @@ -8787,10 +8802,8 @@ static void perf_event_exit_task_context(struct task_struct *child, int ctxn) struct perf_event_context *child_ctx, *clone_ctx = NULL; unsigned long flags; - if (likely(!child->perf_event_ctxp[ctxn])) { - perf_event_task(child, NULL, 0); + if (likely(!child->perf_event_ctxp[ctxn])) return; - } local_irq_save(flags); /* @@ -8874,6 +8887,14 @@ void perf_event_exit_task(struct task_struct *child) for_each_task_context_nr(ctxn) perf_event_exit_task_context(child, ctxn); + + /* + * The perf_event_exit_task_context calls perf_event_task + * with child's task_ctx, which generates EXIT events for + * child contexts and sets child->perf_event_ctxp[] to NULL. + * At this point we need to send EXIT events to cpu contexts. + */ + perf_event_task(child, NULL, 0); } static void perf_free_event(struct perf_event *event, @@ -9255,7 +9276,6 @@ static void perf_event_init_cpu(int cpu) struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu); mutex_lock(&swhash->hlist_mutex); - swhash->online = true; if (swhash->hlist_refcount > 0) { struct swevent_hlist *hlist; @@ -9297,14 +9317,7 @@ static void perf_event_exit_cpu_context(int cpu) static void perf_event_exit_cpu(int cpu) { - struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu); - perf_event_exit_cpu_context(cpu); - - mutex_lock(&swhash->hlist_mutex); - swhash->online = false; - swevent_hlist_release(swhash); - mutex_unlock(&swhash->hlist_mutex); } #else static inline void perf_event_exit_cpu(int cpu) { } @@ -9452,16 +9465,18 @@ static void perf_cgroup_css_free(struct cgroup_subsys_state *css) static int __perf_cgroup_move(void *info) { struct task_struct *task = info; + rcu_read_lock(); perf_cgroup_switch(task, PERF_CGROUP_SWOUT | PERF_CGROUP_SWIN); + rcu_read_unlock(); return 0; } -static void perf_cgroup_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void perf_cgroup_attach(struct cgroup_taskset *tset) { struct task_struct *task; + struct cgroup_subsys_state *css; - cgroup_taskset_for_each(task, tset) + cgroup_taskset_for_each(task, css, tset) task_function_call(task, __perf_cgroup_move, task); } diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index b5d1ea7..adfdc05 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -3,7 +3,7 @@ * * Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de> * Copyright (C) 2008-2011 Red Hat, Inc., Ingo Molnar - * Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra * Copyright © 2009 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> * * For licensing details see kernel-base/COPYING diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 4e5e979..7dad849 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -19,7 +19,7 @@ * Authors: * Srikar Dronamraju * Jim Keniston - * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2011-2012 Red Hat, Inc., Peter Zijlstra */ #include <linux/kernel.h> diff --git a/kernel/fork.c b/kernel/fork.c index f97f2c4..1155eac 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -380,6 +380,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) #endif tsk->splice_pipe = NULL; tsk->task_frag.page = NULL; + tsk->wake_q.next = NULL; account_kernel_stack(ti, 1); @@ -1368,8 +1369,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, p->real_start_time = ktime_get_boot_ns(); p->io_context = NULL; p->audit_context = NULL; - if (clone_flags & CLONE_THREAD) - threadgroup_change_begin(current); + threadgroup_change_begin(current); cgroup_fork(p); #ifdef CONFIG_NUMA p->mempolicy = mpol_dup(p->mempolicy); @@ -1610,8 +1610,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, proc_fork_connector(p); cgroup_post_fork(p, cgrp_ss_priv); - if (clone_flags & CLONE_THREAD) - threadgroup_change_end(current); + threadgroup_change_end(current); perf_event_fork(p); trace_task_newtask(p, clone_flags); @@ -1652,8 +1651,7 @@ bad_fork_cleanup_policy: mpol_put(p->mempolicy); bad_fork_cleanup_threadgroup_lock: #endif - if (clone_flags & CLONE_THREAD) - threadgroup_change_end(current); + threadgroup_change_end(current); delayacct_tsk_free(p); bad_fork_cleanup_count: atomic_dec(&p->cred->user->processes); diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 0eebaee..6ead200 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1434,6 +1434,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id) if (!desc) return NULL; + chip_bus_lock(desc); raw_spin_lock_irqsave(&desc->lock, flags); /* @@ -1447,7 +1448,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id) if (!action) { WARN(1, "Trying to free already-free IRQ %d\n", irq); raw_spin_unlock_irqrestore(&desc->lock, flags); - + chip_bus_sync_unlock(desc); return NULL; } @@ -1475,6 +1476,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id) #endif raw_spin_unlock_irqrestore(&desc->lock, flags); + chip_bus_sync_unlock(desc); unregister_handler_proc(irq, action); @@ -1553,9 +1555,7 @@ void free_irq(unsigned int irq, void *dev_id) desc->affinity_notify = NULL; #endif - chip_bus_lock(desc); kfree(__free_irq(irq, dev_id)); - chip_bus_sync_unlock(desc); } EXPORT_SYMBOL(free_irq); diff --git a/kernel/irq_work.c b/kernel/irq_work.c index cbf9fb8..bcf107c 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra * * Provides a framework for enqueueing and running callbacks from hardirq * context. The enqueueing is NMI-safe. diff --git a/kernel/jump_label.c b/kernel/jump_label.c index f7dd15d..05254ee 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -2,7 +2,7 @@ * jump label support * * Copyright (C) 2009 Jason Baron <jbaron@redhat.com> - * Copyright (C) 2011 Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2011 Peter Zijlstra * */ #include <linux/memory.h> diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index deae390..60ace56 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -6,7 +6,7 @@ * Started by Ingo Molnar: * * Copyright (C) 2006,2007 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> - * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra * * this code maps all the lock dependencies as they occur in a live kernel * and will warn about the following classes of locking bugs: diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c index d83d798..dbb61a3 100644 --- a/kernel/locking/lockdep_proc.c +++ b/kernel/locking/lockdep_proc.c @@ -6,7 +6,7 @@ * Started by Ingo Molnar: * * Copyright (C) 2006,2007 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> - * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra * * Code for /proc/lockdep and /proc/lockdep_stats: * diff --git a/kernel/locking/osq_lock.c b/kernel/locking/osq_lock.c index d092a0c..05a3785 100644 --- a/kernel/locking/osq_lock.c +++ b/kernel/locking/osq_lock.c @@ -93,10 +93,12 @@ bool osq_lock(struct optimistic_spin_queue *lock) node->cpu = curr; /* - * ACQUIRE semantics, pairs with corresponding RELEASE - * in unlock() uncontended, or fastpath. + * We need both ACQUIRE (pairs with corresponding RELEASE in + * unlock() uncontended, or fastpath) and RELEASE (to publish + * the node fields we just initialised) semantics when updating + * the lock tail. */ - old = atomic_xchg_acquire(&lock->tail, curr); + old = atomic_xchg(&lock->tail, curr); if (old == OSQ_UNLOCKED_VAL) return true; diff --git a/kernel/module.c b/kernel/module.c index 8f051a1..38c7bd5 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -3571,6 +3571,12 @@ static int load_module(struct load_info *info, const char __user *uargs, synchronize_sched(); mutex_unlock(&module_mutex); free_module: + /* + * Ftrace needs to clean up what it initialized. + * This does nothing if ftrace_module_init() wasn't called, + * but it must be called outside of module_mutex. + */ + ftrace_release_mod(mod); /* Free lock-classes; relies on the preceding sync_rcu() */ lockdep_free_key_range(mod->module_core, mod->core_size); diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c index c0a2051..caf4041 100644 --- a/kernel/sched/clock.c +++ b/kernel/sched/clock.c @@ -1,7 +1,7 @@ /* * sched_clock for unstable cpu clocks * - * Copyright (C) 2008 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2008 Red Hat, Inc., Peter Zijlstra * * Updates and enhancements: * Copyright (C) 2008 Red Hat, Inc. Steven Rostedt <srostedt@redhat.com> diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 7063c6a..732e993 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -8241,12 +8241,12 @@ static void cpu_cgroup_fork(struct task_struct *task, void *private) sched_move_task(task); } -static int cpu_cgroup_can_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static int cpu_cgroup_can_attach(struct cgroup_taskset *tset) { struct task_struct *task; + struct cgroup_subsys_state *css; - cgroup_taskset_for_each(task, tset) { + cgroup_taskset_for_each(task, css, tset) { #ifdef CONFIG_RT_GROUP_SCHED if (!sched_rt_can_attach(css_tg(css), task)) return -EINVAL; @@ -8259,12 +8259,12 @@ static int cpu_cgroup_can_attach(struct cgroup_subsys_state *css, return 0; } -static void cpu_cgroup_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void cpu_cgroup_attach(struct cgroup_taskset *tset) { struct task_struct *task; + struct cgroup_subsys_state *css; - cgroup_taskset_for_each(task, tset) + cgroup_taskset_for_each(task, css, tset) sched_move_task(task); } diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index f04fda8..cfdc0e6 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -17,7 +17,7 @@ * Copyright (C) 2007, Thomas Gleixner <tglx@linutronix.de> * * Adaptive scheduling granularity, math enhancements by Peter Zijlstra - * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra */ #include <linux/latencytop.h> @@ -2689,7 +2689,7 @@ static inline int update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq) int decayed, removed = 0; if (atomic_long_read(&cfs_rq->removed_load_avg)) { - long r = atomic_long_xchg(&cfs_rq->removed_load_avg, 0); + s64 r = atomic_long_xchg(&cfs_rq->removed_load_avg, 0); sa->load_avg = max_t(long, sa->load_avg - r, 0); sa->load_sum = max_t(s64, sa->load_sum - r * LOAD_AVG_MAX, 0); removed = 1; diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c index f10bd87..f15d6b6 100644 --- a/kernel/sched/wait.c +++ b/kernel/sched/wait.c @@ -392,7 +392,7 @@ __wait_on_bit(wait_queue_head_t *wq, struct wait_bit_queue *q, do { prepare_to_wait(wq, &q->wait, mode); if (test_bit(q->key.bit_nr, q->key.flags)) - ret = (*action)(&q->key); + ret = (*action)(&q->key, mode); } while (test_bit(q->key.bit_nr, q->key.flags) && !ret); finish_wait(wq, &q->wait); return ret; @@ -431,7 +431,7 @@ __wait_on_bit_lock(wait_queue_head_t *wq, struct wait_bit_queue *q, prepare_to_wait_exclusive(wq, &q->wait, mode); if (!test_bit(q->key.bit_nr, q->key.flags)) continue; - ret = action(&q->key); + ret = action(&q->key, mode); if (!ret) continue; abort_exclusive_wait(wq, &q->wait, mode, &q->key); @@ -581,43 +581,43 @@ void wake_up_atomic_t(atomic_t *p) } EXPORT_SYMBOL(wake_up_atomic_t); -__sched int bit_wait(struct wait_bit_key *word) +__sched int bit_wait(struct wait_bit_key *word, int mode) { schedule(); - if (signal_pending(current)) + if (signal_pending_state(mode, current)) return -EINTR; return 0; } EXPORT_SYMBOL(bit_wait); -__sched int bit_wait_io(struct wait_bit_key *word) +__sched int bit_wait_io(struct wait_bit_key *word, int mode) { io_schedule(); - if (signal_pending(current)) + if (signal_pending_state(mode, current)) return -EINTR; return 0; } EXPORT_SYMBOL(bit_wait_io); -__sched int bit_wait_timeout(struct wait_bit_key *word) +__sched int bit_wait_timeout(struct wait_bit_key *word, int mode) { unsigned long now = READ_ONCE(jiffies); if (time_after_eq(now, word->timeout)) return -EAGAIN; schedule_timeout(word->timeout - now); - if (signal_pending(current)) + if (signal_pending_state(mode, current)) return -EINTR; return 0; } EXPORT_SYMBOL_GPL(bit_wait_timeout); -__sched int bit_wait_io_timeout(struct wait_bit_key *word) +__sched int bit_wait_io_timeout(struct wait_bit_key *word, int mode) { unsigned long now = READ_ONCE(jiffies); if (time_after_eq(now, word->timeout)) return -EAGAIN; io_schedule_timeout(word->timeout - now); - if (signal_pending(current)) + if (signal_pending_state(mode, current)) return -EINTR; return 0; } diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index 867bc20..a3bbaee 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -531,7 +531,7 @@ static int __init cpu_stop_init(void) } early_initcall(cpu_stop_init); -#ifdef CONFIG_STOP_MACHINE +#if defined(CONFIG_SMP) || defined(CONFIG_HOTPLUG_CPU) static int __stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus) { @@ -631,4 +631,4 @@ int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data, return ret ?: done.ret; } -#endif /* CONFIG_STOP_MACHINE */ +#endif /* CONFIG_SMP || CONFIG_HOTPLUG_CPU */ diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c index abfc903..cc9f7a9 100644 --- a/kernel/trace/trace_event_perf.c +++ b/kernel/trace/trace_event_perf.c @@ -1,7 +1,7 @@ /* * trace event based perf event profiling/tracing * - * Copyright (C) 2009 Red Hat Inc, Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2009 Red Hat Inc, Peter Zijlstra * Copyright (C) 2009-2010 Frederic Weisbecker <fweisbec@gmail.com> */ diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c index 1c2b285..060df67 100644 --- a/kernel/trace/trace_printk.c +++ b/kernel/trace/trace_printk.c @@ -273,6 +273,7 @@ static const char **find_next(void *v, loff_t *pos) if (*pos < last_index + start_index) return __start___tracepoint_str + (*pos - last_index); + start_index += last_index; return find_next_mod_format(start_index, v, fmt, pos); } diff --git a/lib/btree.c b/lib/btree.c index 4264871..f93a945 100644 --- a/lib/btree.c +++ b/lib/btree.c @@ -5,7 +5,7 @@ * * Copyright (c) 2007-2008 Joern Engel <joern@logfs.org> * Bits and pieces stolen from Peter Zijlstra's code, which is - * Copyright 2007, Red Hat Inc. Peter Zijlstra <pzijlstr@redhat.com> + * Copyright 2007, Red Hat Inc. Peter Zijlstra * GPLv2 * * see http://programming.kicks-ass.net/kernel-patches/vma_lookup/btree.patch diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 8855f01..d34bd24 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -1464,7 +1464,7 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size, entry->type = dma_debug_coherent; entry->dev = dev; entry->pfn = page_to_pfn(virt_to_page(virt)); - entry->offset = (size_t) virt & PAGE_MASK; + entry->offset = (size_t) virt & ~PAGE_MASK; entry->size = size; entry->dev_addr = dma_addr; entry->direction = DMA_BIDIRECTIONAL; @@ -1480,7 +1480,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size, .type = dma_debug_coherent, .dev = dev, .pfn = page_to_pfn(virt_to_page(virt)), - .offset = (size_t) virt & PAGE_MASK, + .offset = (size_t) virt & ~PAGE_MASK, .dev_addr = addr, .size = size, .direction = DMA_BIDIRECTIONAL, diff --git a/lib/proportions.c b/lib/proportions.c index 6f72429..efa54f25 100644 --- a/lib/proportions.c +++ b/lib/proportions.c @@ -1,7 +1,7 @@ /* * Floating proportions * - * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra * * Description: * diff --git a/lib/rhashtable.c b/lib/rhashtable.c index a54ff89..51282f5 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -389,33 +389,31 @@ static bool rhashtable_check_elasticity(struct rhashtable *ht, return false; } -int rhashtable_insert_rehash(struct rhashtable *ht) +int rhashtable_insert_rehash(struct rhashtable *ht, + struct bucket_table *tbl) { struct bucket_table *old_tbl; struct bucket_table *new_tbl; - struct bucket_table *tbl; unsigned int size; int err; old_tbl = rht_dereference_rcu(ht->tbl, ht); - tbl = rhashtable_last_table(ht, old_tbl); size = tbl->size; + err = -EBUSY; + if (rht_grow_above_75(ht, tbl)) size *= 2; /* Do not schedule more than one rehash */ else if (old_tbl != tbl) - return -EBUSY; + goto fail; + + err = -ENOMEM; new_tbl = bucket_table_alloc(ht, size, GFP_ATOMIC); - if (new_tbl == NULL) { - /* Schedule async resize/rehash to try allocation - * non-atomic context. - */ - schedule_work(&ht->run_work); - return -ENOMEM; - } + if (new_tbl == NULL) + goto fail; err = rhashtable_rehash_attach(ht, tbl, new_tbl); if (err) { @@ -426,12 +424,24 @@ int rhashtable_insert_rehash(struct rhashtable *ht) schedule_work(&ht->run_work); return err; + +fail: + /* Do not fail the insert if someone else did a rehash. */ + if (likely(rcu_dereference_raw(tbl->future_tbl))) + return 0; + + /* Schedule async rehash to retry allocation in process context. */ + if (err == -ENOMEM) + schedule_work(&ht->run_work); + + return err; } EXPORT_SYMBOL_GPL(rhashtable_insert_rehash); -int rhashtable_insert_slow(struct rhashtable *ht, const void *key, - struct rhash_head *obj, - struct bucket_table *tbl) +struct bucket_table *rhashtable_insert_slow(struct rhashtable *ht, + const void *key, + struct rhash_head *obj, + struct bucket_table *tbl) { struct rhash_head *head; unsigned int hash; @@ -467,7 +477,12 @@ int rhashtable_insert_slow(struct rhashtable *ht, const void *key, exit: spin_unlock(rht_bucket_lock(tbl, hash)); - return err; + if (err == 0) + return NULL; + else if (err == -EAGAIN) + return tbl; + else + return ERR_PTR(err); } EXPORT_SYMBOL_GPL(rhashtable_insert_slow); @@ -503,10 +518,11 @@ int rhashtable_walk_init(struct rhashtable *ht, struct rhashtable_iter *iter) if (!iter->walker) return -ENOMEM; - mutex_lock(&ht->mutex); - iter->walker->tbl = rht_dereference(ht->tbl, ht); + spin_lock(&ht->lock); + iter->walker->tbl = + rcu_dereference_protected(ht->tbl, lockdep_is_held(&ht->lock)); list_add(&iter->walker->list, &iter->walker->tbl->walkers); - mutex_unlock(&ht->mutex); + spin_unlock(&ht->lock); return 0; } @@ -520,10 +536,10 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_init); */ void rhashtable_walk_exit(struct rhashtable_iter *iter) { - mutex_lock(&iter->ht->mutex); + spin_lock(&iter->ht->lock); if (iter->walker->tbl) list_del(&iter->walker->list); - mutex_unlock(&iter->ht->mutex); + spin_unlock(&iter->ht->lock); kfree(iter->walker); } EXPORT_SYMBOL_GPL(rhashtable_walk_exit); @@ -547,14 +563,12 @@ int rhashtable_walk_start(struct rhashtable_iter *iter) { struct rhashtable *ht = iter->ht; - mutex_lock(&ht->mutex); + rcu_read_lock(); + spin_lock(&ht->lock); if (iter->walker->tbl) list_del(&iter->walker->list); - - rcu_read_lock(); - - mutex_unlock(&ht->mutex); + spin_unlock(&ht->lock); if (!iter->walker->tbl) { iter->walker->tbl = rht_dereference_rcu(ht->tbl, ht); @@ -723,9 +737,6 @@ int rhashtable_init(struct rhashtable *ht, if (params->nulls_base && params->nulls_base < (1U << RHT_BASE_SHIFT)) return -EINVAL; - if (params->nelem_hint) - size = rounded_hashtable_size(params); - memset(ht, 0, sizeof(*ht)); mutex_init(&ht->mutex); spin_lock_init(&ht->lock); @@ -745,6 +756,9 @@ int rhashtable_init(struct rhashtable *ht, ht->p.min_size = max(ht->p.min_size, HASH_MIN_SIZE); + if (params->nelem_hint) + size = rounded_hashtable_size(&ht->p); + /* The maximum (not average) chain length grows with the * size of the hash table, at a rate of (log N)/(log log N). * The value of 16 is selected so that even if the hash diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 8ed2ffd..7340353 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -957,8 +957,9 @@ EXPORT_SYMBOL(congestion_wait); * jiffies for either a BDI to exit congestion of the given @sync queue * or a write to complete. * - * In the absence of zone congestion, cond_resched() is called to yield - * the processor if necessary but otherwise does not sleep. + * In the absence of zone congestion, a short sleep or a cond_resched is + * performed to yield the processor and to allow other subsystems to make + * a forward progress. * * The return value is 0 if the sleep is for the full timeout. Otherwise, * it is the number of jiffies that were still remaining when the function @@ -978,7 +979,19 @@ long wait_iff_congested(struct zone *zone, int sync, long timeout) */ if (atomic_read(&nr_wb_congested[sync]) == 0 || !test_bit(ZONE_CONGESTED, &zone->flags)) { - cond_resched(); + + /* + * Memory allocation/reclaim might be called from a WQ + * context and the current implementation of the WQ + * concurrency control doesn't recognize that a particular + * WQ is congested if the worker thread is looping without + * ever sleeping. Therefore we have to do a short sleep + * here rather than calling cond_resched(). + */ + if (current->flags & PF_WQ_WORKER) + schedule_timeout(1); + else + cond_resched(); /* In case we scheduled, work out time remaining */ ret = timeout - (jiffies - start); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 827bb02..ef6963b 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -372,8 +372,10 @@ retry_locked: spin_unlock(&resv->lock); trg = kmalloc(sizeof(*trg), GFP_KERNEL); - if (!trg) + if (!trg) { + kfree(nrg); return -ENOMEM; + } spin_lock(&resv->lock); list_add(&trg->link, &resv->region_cache); @@ -483,8 +485,16 @@ static long region_del(struct resv_map *resv, long f, long t) retry: spin_lock(&resv->lock); list_for_each_entry_safe(rg, trg, head, link) { - if (rg->to <= f) + /* + * Skip regions before the range to be deleted. file_region + * ranges are normally of the form [from, to). However, there + * may be a "placeholder" entry in the map which is of the form + * (from, to) with from == to. Check for placeholder entries + * at the beginning of the range to be deleted. + */ + if (rg->to <= f && (rg->to != rg->from || rg->to != f)) continue; + if (rg->from >= t) break; @@ -1886,7 +1896,10 @@ struct page *alloc_huge_page(struct vm_area_struct *vma, page = __alloc_buddy_huge_page_with_mpol(h, vma, addr); if (!page) goto out_uncharge_cgroup; - + if (!avoid_reserve && vma_has_reserves(vma, gbl_chg)) { + SetPagePrivate(page); + h->resv_huge_pages--; + } spin_lock(&hugetlb_lock); list_move(&page->lru, &h->hugepage_activelist); /* Fall through */ @@ -3693,12 +3706,12 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, } else if (unlikely(is_hugetlb_entry_hwpoisoned(entry))) return VM_FAULT_HWPOISON_LARGE | VM_FAULT_SET_HINDEX(hstate_index(h)); + } else { + ptep = huge_pte_alloc(mm, address, huge_page_size(h)); + if (!ptep) + return VM_FAULT_OOM; } - ptep = huge_pte_alloc(mm, address, huge_page_size(h)); - if (!ptep) - return VM_FAULT_OOM; - mapping = vma->vm_file->f_mapping; idx = vma_hugecache_offset(h, vma, address); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 9acfb16..fc10620 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -903,14 +903,20 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root, if (prev && reclaim->generation != iter->generation) goto out_unlock; - do { + while (1) { pos = READ_ONCE(iter->position); + if (!pos || css_tryget(&pos->css)) + break; /* - * A racing update may change the position and - * put the last reference, hence css_tryget(), - * or retry to see the updated position. + * css reference reached zero, so iter->position will + * be cleared by ->css_released. However, we should not + * rely on this happening soon, because ->css_released + * is called from a work queue, and by busy-waiting we + * might block it. So we clear iter->position right + * away. */ - } while (pos && !css_tryget(&pos->css)); + (void)cmpxchg(&iter->position, pos, NULL); + } } if (pos) @@ -956,17 +962,13 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root, } if (reclaim) { - if (cmpxchg(&iter->position, pos, memcg) == pos) { - if (memcg) - css_get(&memcg->css); - if (pos) - css_put(&pos->css); - } - /* - * pairs with css_tryget when dereferencing iter->position - * above. + * The position could have already been updated by a competing + * thread, so check that the value hasn't changed since we read + * it to avoid reclaiming from the same cgroup twice. */ + (void)cmpxchg(&iter->position, pos, memcg); + if (pos) css_put(&pos->css); @@ -999,6 +1001,28 @@ void mem_cgroup_iter_break(struct mem_cgroup *root, css_put(&prev->css); } +static void invalidate_reclaim_iterators(struct mem_cgroup *dead_memcg) +{ + struct mem_cgroup *memcg = dead_memcg; + struct mem_cgroup_reclaim_iter *iter; + struct mem_cgroup_per_zone *mz; + int nid, zid; + int i; + + while ((memcg = parent_mem_cgroup(memcg))) { + for_each_node(nid) { + for (zid = 0; zid < MAX_NR_ZONES; zid++) { + mz = &memcg->nodeinfo[nid]->zoneinfo[zid]; + for (i = 0; i <= DEF_PRIORITY; i++) { + iter = &mz->iter[i]; + cmpxchg(&iter->position, + dead_memcg, NULL); + } + } + } + } +} + /* * Iteration constructs for visiting all cgroups (under a tree). If * loops are exited prematurely (break), mem_cgroup_iter_break() must @@ -2128,7 +2152,7 @@ done_restock: */ do { if (page_counter_read(&memcg->memory) > memcg->high) { - current->memcg_nr_pages_over_high += nr_pages; + current->memcg_nr_pages_over_high += batch; set_notify_resume(current); break; } @@ -4324,6 +4348,13 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css) wb_memcg_offline(memcg); } +static void mem_cgroup_css_released(struct cgroup_subsys_state *css) +{ + struct mem_cgroup *memcg = mem_cgroup_from_css(css); + + invalidate_reclaim_iterators(memcg); +} + static void mem_cgroup_css_free(struct cgroup_subsys_state *css) { struct mem_cgroup *memcg = mem_cgroup_from_css(css); @@ -4779,23 +4810,18 @@ static void mem_cgroup_clear_mc(void) spin_unlock(&mc.lock); } -static int mem_cgroup_can_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static int mem_cgroup_can_attach(struct cgroup_taskset *tset) { - struct mem_cgroup *memcg = mem_cgroup_from_css(css); + struct cgroup_subsys_state *css; + struct mem_cgroup *memcg; struct mem_cgroup *from; struct task_struct *leader, *p; struct mm_struct *mm; unsigned long move_flags; int ret = 0; - /* - * We are now commited to this value whatever it is. Changes in this - * tunable will only affect upcoming migrations, not the current one. - * So we need to save it, and keep it going. - */ - move_flags = READ_ONCE(memcg->move_charge_at_immigrate); - if (!move_flags) + /* charge immigration isn't supported on the default hierarchy */ + if (cgroup_subsys_on_dfl(memory_cgrp_subsys)) return 0; /* @@ -4805,13 +4831,23 @@ static int mem_cgroup_can_attach(struct cgroup_subsys_state *css, * multiple. */ p = NULL; - cgroup_taskset_for_each_leader(leader, tset) { + cgroup_taskset_for_each_leader(leader, css, tset) { WARN_ON_ONCE(p); p = leader; + memcg = mem_cgroup_from_css(css); } if (!p) return 0; + /* + * We are now commited to this value whatever it is. Changes in this + * tunable will only affect upcoming migrations, not the current one. + * So we need to save it, and keep it going. + */ + move_flags = READ_ONCE(memcg->move_charge_at_immigrate); + if (!move_flags) + return 0; + from = mem_cgroup_from_task(p); VM_BUG_ON(from == memcg); @@ -4842,8 +4878,7 @@ static int mem_cgroup_can_attach(struct cgroup_subsys_state *css, return ret; } -static void mem_cgroup_cancel_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset) { if (mc.to) mem_cgroup_clear_mc(); @@ -4985,10 +5020,10 @@ retry: atomic_dec(&mc.from->moving_account); } -static void mem_cgroup_move_task(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void mem_cgroup_move_task(struct cgroup_taskset *tset) { - struct task_struct *p = cgroup_taskset_first(tset); + struct cgroup_subsys_state *css; + struct task_struct *p = cgroup_taskset_first(tset, &css); struct mm_struct *mm = get_task_mm(p); if (mm) { @@ -5000,17 +5035,14 @@ static void mem_cgroup_move_task(struct cgroup_subsys_state *css, mem_cgroup_clear_mc(); } #else /* !CONFIG_MMU */ -static int mem_cgroup_can_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static int mem_cgroup_can_attach(struct cgroup_taskset *tset) { return 0; } -static void mem_cgroup_cancel_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset) { } -static void mem_cgroup_move_task(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void mem_cgroup_move_task(struct cgroup_taskset *tset) { } #endif @@ -5184,6 +5216,7 @@ struct cgroup_subsys memory_cgrp_subsys = { .css_alloc = mem_cgroup_css_alloc, .css_online = mem_cgroup_css_online, .css_offline = mem_cgroup_css_offline, + .css_released = mem_cgroup_css_released, .css_free = mem_cgroup_css_free, .css_reset = mem_cgroup_css_reset, .can_attach = mem_cgroup_can_attach, @@ -5511,11 +5544,11 @@ void mem_cgroup_uncharge_list(struct list_head *page_list) * mem_cgroup_replace_page - migrate a charge to another page * @oldpage: currently charged page * @newpage: page to transfer the charge to - * @lrucare: either or both pages might be on the LRU already * * Migrate the charge from @oldpage to @newpage. * * Both pages must be locked, @newpage->mapping must be set up. + * Either or both pages might be on the LRU already. */ void mem_cgroup_replace_page(struct page *oldpage, struct page *newpage) { diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 67d488a..a042a9d 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1375,23 +1375,30 @@ int is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages) */ int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn) { - unsigned long pfn; + unsigned long pfn, sec_end_pfn; struct zone *zone = NULL; struct page *page; int i; - for (pfn = start_pfn; + for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn); pfn < end_pfn; - pfn += MAX_ORDER_NR_PAGES) { - i = 0; - /* This is just a CONFIG_HOLES_IN_ZONE check.*/ - while ((i < MAX_ORDER_NR_PAGES) && !pfn_valid_within(pfn + i)) - i++; - if (i == MAX_ORDER_NR_PAGES) + pfn = sec_end_pfn + 1, sec_end_pfn += PAGES_PER_SECTION) { + /* Make sure the memory section is present first */ + if (!present_section_nr(pfn_to_section_nr(pfn))) continue; - page = pfn_to_page(pfn + i); - if (zone && page_zone(page) != zone) - return 0; - zone = page_zone(page); + for (; pfn < sec_end_pfn && pfn < end_pfn; + pfn += MAX_ORDER_NR_PAGES) { + i = 0; + /* This is just a CONFIG_HOLES_IN_ZONE check.*/ + while ((i < MAX_ORDER_NR_PAGES) && + !pfn_valid_within(pfn + i)) + i++; + if (i == MAX_ORDER_NR_PAGES) + continue; + page = pfn_to_page(pfn + i); + if (zone && page_zone(page) != zone) + return 0; + zone = page_zone(page); + } } return 1; } diff --git a/mm/oom_kill.c b/mm/oom_kill.c index d13a339..c126809 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -608,6 +608,8 @@ void oom_kill_process(struct oom_control *oc, struct task_struct *p, continue; if (unlikely(p->flags & PF_KTHREAD)) continue; + if (is_global_init(p)) + continue; if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN) continue; diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 3e4d654..d15d88c 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2,7 +2,7 @@ * mm/page-writeback.c * * Copyright (C) 2002, Linus Torvalds. - * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> + * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra * * Contains functions related to writing back dirty pages at the * address_space level. diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 17a3c66..9d666df 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3647,8 +3647,9 @@ static void show_migration_types(unsigned char type) { static const char types[MIGRATE_TYPES] = { [MIGRATE_UNMOVABLE] = 'U', - [MIGRATE_RECLAIMABLE] = 'E', [MIGRATE_MOVABLE] = 'M', + [MIGRATE_RECLAIMABLE] = 'E', + [MIGRATE_HIGHATOMIC] = 'H', #ifdef CONFIG_CMA [MIGRATE_CMA] = 'C', #endif @@ -843,14 +843,14 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc) list_add_tail(&info->swaplist, &shmem_swaplist); if (add_to_swap_cache(page, swap, GFP_ATOMIC) == 0) { - swap_shmem_alloc(swap); - shmem_delete_from_page_cache(page, swp_to_radix_entry(swap)); - spin_lock(&info->lock); - info->swapped++; shmem_recalc_inode(inode); + info->swapped++; spin_unlock(&info->lock); + swap_shmem_alloc(swap); + shmem_delete_from_page_cache(page, swp_to_radix_entry(swap)); + mutex_unlock(&shmem_swaplist_mutex); BUG_ON(page_mapped(page)); swap_writepage(page, wbc); @@ -1078,7 +1078,7 @@ repeat: if (sgp != SGP_WRITE && sgp != SGP_FALLOC && ((loff_t)index << PAGE_CACHE_SHIFT) >= i_size_read(inode)) { error = -EINVAL; - goto failed; + goto unlock; } if (page && sgp == SGP_WRITE) @@ -1246,11 +1246,15 @@ clear: /* Perhaps the file has been truncated since we checked */ if (sgp != SGP_WRITE && sgp != SGP_FALLOC && ((loff_t)index << PAGE_CACHE_SHIFT) >= i_size_read(inode)) { + if (alloced) { + ClearPageDirty(page); + delete_from_page_cache(page); + spin_lock(&info->lock); + shmem_recalc_inode(inode); + spin_unlock(&info->lock); + } error = -EINVAL; - if (alloced) - goto trunc; - else - goto failed; + goto unlock; } *pagep = page; return 0; @@ -1258,23 +1262,13 @@ clear: /* * Error recovery. */ -trunc: - info = SHMEM_I(inode); - ClearPageDirty(page); - delete_from_page_cache(page); - spin_lock(&info->lock); - info->alloced--; - inode->i_blocks -= BLOCKS_PER_PAGE; - spin_unlock(&info->lock); decused: - sbinfo = SHMEM_SB(inode->i_sb); if (sbinfo->max_blocks) percpu_counter_add(&sbinfo->used_blocks, -1); unacct: shmem_unacct_blocks(info->flags, 1); failed: - if (swap.val && error != -EINVAL && - !shmem_confirm_swap(mapping, index, swap)) + if (swap.val && !shmem_confirm_swap(mapping, index, swap)) error = -EEXIST; unlock: if (page) { diff --git a/mm/vmstat.c b/mm/vmstat.c index 879a2be..c54fd29 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -219,7 +219,7 @@ void set_pgdat_percpu_threshold(pg_data_t *pgdat, * particular counter cannot be updated from interrupt context. */ void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item, - int delta) + long delta) { struct per_cpu_pageset __percpu *pcp = zone->pageset; s8 __percpu *p = pcp->vm_stat_diff + item; @@ -318,8 +318,8 @@ EXPORT_SYMBOL(__dec_zone_page_state); * 1 Overstepping half of threshold * -1 Overstepping minus half of threshold */ -static inline void mod_state(struct zone *zone, - enum zone_stat_item item, int delta, int overstep_mode) +static inline void mod_state(struct zone *zone, enum zone_stat_item item, + long delta, int overstep_mode) { struct per_cpu_pageset __percpu *pcp = zone->pageset; s8 __percpu *p = pcp->vm_stat_diff + item; @@ -357,7 +357,7 @@ static inline void mod_state(struct zone *zone, } void mod_zone_page_state(struct zone *zone, enum zone_stat_item item, - int delta) + long delta) { mod_state(zone, item, delta, 0); } @@ -384,7 +384,7 @@ EXPORT_SYMBOL(dec_zone_page_state); * Use interrupt disable to serialize counter updates */ void mod_zone_page_state(struct zone *zone, enum zone_stat_item item, - int delta) + long delta) { unsigned long flags; @@ -921,8 +921,8 @@ static void walk_zones_in_node(struct seq_file *m, pg_data_t *pgdat, #ifdef CONFIG_PROC_FS static char * const migratetype_names[MIGRATE_TYPES] = { "Unmovable", - "Reclaimable", "Movable", + "Reclaimable", "HighAtomic", #ifdef CONFIG_CMA "CMA", @@ -1379,6 +1379,7 @@ static const struct file_operations proc_vmstat_file_operations = { #endif /* CONFIG_PROC_FS */ #ifdef CONFIG_SMP +static struct workqueue_struct *vmstat_wq; static DEFINE_PER_CPU(struct delayed_work, vmstat_work); int sysctl_stat_interval __read_mostly = HZ; static cpumask_var_t cpu_stat_off; @@ -1391,7 +1392,7 @@ static void vmstat_update(struct work_struct *w) * to occur in the future. Keep on running the * update worker thread. */ - schedule_delayed_work_on(smp_processor_id(), + queue_delayed_work_on(smp_processor_id(), vmstat_wq, this_cpu_ptr(&vmstat_work), round_jiffies_relative(sysctl_stat_interval)); } else { @@ -1460,7 +1461,7 @@ static void vmstat_shepherd(struct work_struct *w) if (need_update(cpu) && cpumask_test_and_clear_cpu(cpu, cpu_stat_off)) - schedule_delayed_work_on(cpu, + queue_delayed_work_on(cpu, vmstat_wq, &per_cpu(vmstat_work, cpu), 0); put_online_cpus(); @@ -1482,6 +1483,7 @@ static void __init start_shepherd_timer(void) BUG(); cpumask_copy(cpu_stat_off, cpu_online_mask); + vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); schedule_delayed_work(&shepherd, round_jiffies_relative(sysctl_stat_interval)); } @@ -541,6 +541,7 @@ static struct zswap_pool *zswap_pool_last_get(void) return last; } +/* type and compressor must be null-terminated */ static struct zswap_pool *zswap_pool_find_get(char *type, char *compressor) { struct zswap_pool *pool; @@ -548,10 +549,9 @@ static struct zswap_pool *zswap_pool_find_get(char *type, char *compressor) assert_spin_locked(&zswap_pools_lock); list_for_each_entry_rcu(pool, &zswap_pools, list) { - if (strncmp(pool->tfm_name, compressor, sizeof(pool->tfm_name))) + if (strcmp(pool->tfm_name, compressor)) continue; - if (strncmp(zpool_get_type(pool->zpool), type, - sizeof(zswap_zpool_type))) + if (strcmp(zpool_get_type(pool->zpool), type)) continue; /* if we can't get it, it's about to be destroyed */ if (!zswap_pool_get(pool)) diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index ae3a47f..fbd0acf 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -805,6 +805,9 @@ static int ax25_create(struct net *net, struct socket *sock, int protocol, struct sock *sk; ax25_cb *ax25; + if (protocol < 0 || protocol > SK_PROTOCOL_MAX) + return -EINVAL; + if (!net_eq(net, &init_net)) return -EAFNOSUPPORT; diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index 83bc1aa..a49c705 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -566,6 +566,7 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) int select; batadv_dat_addr_t last_max = BATADV_DAT_ADDR_MAX, ip_key; struct batadv_dat_candidate *res; + struct batadv_dat_entry dat; if (!bat_priv->orig_hash) return NULL; @@ -575,7 +576,9 @@ batadv_dat_select_candidates(struct batadv_priv *bat_priv, __be32 ip_dst) if (!res) return NULL; - ip_key = (batadv_dat_addr_t)batadv_hash_dat(&ip_dst, + dat.ip = ip_dst; + dat.vid = 0; + ip_key = (batadv_dat_addr_t)batadv_hash_dat(&dat, BATADV_DAT_ADDR_MAX); batadv_dbg(BATADV_DBG_DAT, bat_priv, diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 8d990b0..3207667 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -836,6 +836,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, u8 *orig_addr; struct batadv_orig_node *orig_node = NULL; int check, hdr_size = sizeof(*unicast_packet); + enum batadv_subtype subtype; bool is4addr; unicast_packet = (struct batadv_unicast_packet *)skb->data; @@ -863,10 +864,20 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, /* packet for me */ if (batadv_is_my_mac(bat_priv, unicast_packet->dest)) { if (is4addr) { - batadv_dat_inc_counter(bat_priv, - unicast_4addr_packet->subtype); - orig_addr = unicast_4addr_packet->src; - orig_node = batadv_orig_hash_find(bat_priv, orig_addr); + subtype = unicast_4addr_packet->subtype; + batadv_dat_inc_counter(bat_priv, subtype); + + /* Only payload data should be considered for speedy + * join. For example, DAT also uses unicast 4addr + * types, but those packets should not be considered + * for speedy join, since the clients do not actually + * reside at the sending originator. + */ + if (subtype == BATADV_P_DATA) { + orig_addr = unicast_4addr_packet->src; + orig_node = batadv_orig_hash_find(bat_priv, + orig_addr); + } } if (batadv_dat_snoop_incoming_arp_request(bat_priv, skb, diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 4228b10..76f19ba 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -68,13 +68,15 @@ static void batadv_tt_global_del(struct batadv_priv *bat_priv, unsigned short vid, const char *message, bool roaming); -/* returns 1 if they are the same mac addr */ +/* returns 1 if they are the same mac addr and vid */ static int batadv_compare_tt(const struct hlist_node *node, const void *data2) { const void *data1 = container_of(node, struct batadv_tt_common_entry, hash_entry); + const struct batadv_tt_common_entry *tt1 = data1; + const struct batadv_tt_common_entry *tt2 = data2; - return batadv_compare_eth(data1, data2); + return (tt1->vid == tt2->vid) && batadv_compare_eth(data1, data2); } /** @@ -1427,9 +1429,15 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv, } /* if the client was temporary added before receiving the first - * OGM announcing it, we have to clear the TEMP flag + * OGM announcing it, we have to clear the TEMP flag. Also, + * remove the previous temporary orig node and re-add it + * if required. If the orig entry changed, the new one which + * is a non-temporary entry is preferred. */ - common->flags &= ~BATADV_TT_CLIENT_TEMP; + if (common->flags & BATADV_TT_CLIENT_TEMP) { + batadv_tt_global_del_orig_list(tt_global_entry); + common->flags &= ~BATADV_TT_CLIENT_TEMP; + } /* the change can carry possible "attribute" flags like the * TT_CLIENT_WIFI, therefore they have to be copied in the diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index fe12966..f52bcbf 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -526,6 +526,9 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, if (!addr || addr->sa_family != AF_BLUETOOTH) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_sco)) + return -EINVAL; + lock_sock(sk); if (sk->sk_state != BT_OPEN) { diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index 5396ff08..8a7ada8 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -39,7 +39,7 @@ void br_init_port(struct net_bridge_port *p) struct switchdev_attr attr = { .id = SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME, .flags = SWITCHDEV_F_SKIP_EOPNOTSUPP | SWITCHDEV_F_DEFER, - .u.ageing_time = p->br->ageing_time, + .u.ageing_time = jiffies_to_clock_t(p->br->ageing_time), }; int err; @@ -142,7 +142,10 @@ static void br_stp_start(struct net_bridge *br) char *envp[] = { NULL }; struct net_bridge_port *p; - r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC); + if (net_eq(dev_net(br->dev), &init_net)) + r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC); + else + r = -ENOENT; spin_lock_bh(&br->lock); diff --git a/net/core/dst.c b/net/core/dst.c index e6dc772..a1656e3 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -301,12 +301,13 @@ void dst_release(struct dst_entry *dst) { if (dst) { int newrefcnt; + unsigned short nocache = dst->flags & DST_NOCACHE; newrefcnt = atomic_dec_return(&dst->__refcnt); if (unlikely(newrefcnt < 0)) net_warn_ratelimited("%s: dst:%p refcnt:%d\n", __func__, dst, newrefcnt); - if (!newrefcnt && unlikely(dst->flags & DST_NOCACHE)) + if (!newrefcnt && unlikely(nocache)) call_rcu(&dst->rcu_head, dst_destroy_rcu); } } diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c index 2e4df84..d9ee8d0 100644 --- a/net/core/netclassid_cgroup.c +++ b/net/core/netclassid_cgroup.c @@ -81,9 +81,11 @@ static void update_classid(struct cgroup_subsys_state *css, void *v) css_task_iter_end(&it); } -static void cgrp_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void cgrp_attach(struct cgroup_taskset *tset) { + struct cgroup_subsys_state *css; + + cgroup_taskset_first(tset, &css); update_classid(css, (void *)(unsigned long)css_cls_state(css)->classid); } diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index cbd0a19..40fd09f 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -218,13 +218,14 @@ static int update_netprio(const void *v, struct file *file, unsigned n) return 0; } -static void net_prio_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void net_prio_attach(struct cgroup_taskset *tset) { struct task_struct *p; - void *v = (void *)(unsigned long)css->cgroup->id; + struct cgroup_subsys_state *css; + + cgroup_taskset_for_each(p, css, tset) { + void *v = (void *)(unsigned long)css->cgroup->id; - cgroup_taskset_for_each(p, tset) { task_lock(p); iterate_fd(p->files, 0, update_netprio, v); task_unlock(p); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 152b9c7..b2df375 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3643,7 +3643,8 @@ static void __skb_complete_tx_timestamp(struct sk_buff *skb, serr->ee.ee_info = tstype; if (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID) { serr->ee.ee_data = skb_shinfo(skb)->tskey; - if (sk->sk_protocol == IPPROTO_TCP) + if (sk->sk_protocol == IPPROTO_TCP && + sk->sk_type == SOCK_STREAM) serr->ee.ee_data -= sk->sk_tskey; } @@ -4268,7 +4269,7 @@ static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb) return NULL; } - memmove(skb->data - ETH_HLEN, skb->data - skb->mac_len, + memmove(skb->data - ETH_HLEN, skb->data - skb->mac_len - VLAN_HLEN, 2 * ETH_ALEN); skb->mac_header += VLAN_HLEN; return skb; diff --git a/net/core/sock.c b/net/core/sock.c index e31dfce..0d91f7d 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -433,8 +433,6 @@ static bool sock_needs_netstamp(const struct sock *sk) } } -#define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE)) - static void sock_disable_timestamp(struct sock *sk, unsigned long flags) { if (sk->sk_flags & flags) { @@ -874,7 +872,8 @@ set_rcvbuf: if (val & SOF_TIMESTAMPING_OPT_ID && !(sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID)) { - if (sk->sk_protocol == IPPROTO_TCP) { + if (sk->sk_protocol == IPPROTO_TCP && + sk->sk_type == SOCK_STREAM) { if (sk->sk_state != TCP_ESTABLISHED) { ret = -EINVAL; break; @@ -1552,7 +1551,7 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) */ is_charged = sk_filter_charge(newsk, filter); - if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk))) { + if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk, sk))) { /* It is still raw copy of parent, so invalidate * destructor and make plain sk_free() */ newsk->sk_destruct = NULL; diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index eebf5ac..13d6b1a 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -678,6 +678,9 @@ static int dn_create(struct net *net, struct socket *sock, int protocol, { struct sock *sk; + if (protocol < 0 || protocol > SK_PROTOCOL_MAX) + return -EINVAL; + if (!net_eq(net, &init_net)) return -EAFNOSUPPORT; diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 11c4ca1..5c5db66 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -257,6 +257,9 @@ static int inet_create(struct net *net, struct socket *sock, int protocol, int try_loading_module = 0; int err; + if (protocol < 0 || protocol >= IPPROTO_MAX) + return -EINVAL; + sock->state = SS_UNCONNECTED; /* Look for the requested type/protocol pair. */ diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index cc8f3e5..4734475 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1155,6 +1155,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event, static int fib_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct netdev_notifier_changeupper_info *info; struct in_device *in_dev; struct net *net = dev_net(dev); unsigned int flags; @@ -1193,6 +1194,14 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo case NETDEV_CHANGEMTU: rt_cache_flush(net); break; + case NETDEV_CHANGEUPPER: + info = ptr; + /* flush all routes if dev is linked to or unlinked from + * an L3 master device (e.g., VRF) + */ + if (info->upper_dev && netif_is_l3_master(info->upper_dev)) + fib_disable_ip(dev, NETDEV_DOWN, true); + break; } return NOTIFY_DONE; } diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index e0fcbbb..bd903fe 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -24,6 +24,7 @@ struct fou { u16 type; struct udp_offload udp_offloads; struct list_head list; + struct rcu_head rcu; }; #define FOU_F_REMCSUM_NOPARTIAL BIT(0) @@ -417,7 +418,7 @@ static void fou_release(struct fou *fou) list_del(&fou->list); udp_tunnel_sock_release(sock); - kfree(fou); + kfree_rcu(fou, rcu); } static int fou_encap_init(struct sock *sk, struct fou *fou, struct fou_cfg *cfg) diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index f34c31d..a09fb0d 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -253,9 +253,6 @@ ipip_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) p.i_key = p.o_key = 0; p.i_flags = p.o_flags = 0; - if (p.iph.ttl) - p.iph.frag_off |= htons(IP_DF); - err = ip_tunnel_ioctl(dev, &p, cmd); if (err) return err; diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index a355841..c187c60 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -60,6 +60,7 @@ config NFT_REJECT_IPV4 config NFT_DUP_IPV4 tristate "IPv4 nf_tables packet duplication support" + depends on !NF_CONNTRACK || NF_CONNTRACK select NF_DUP_IPV4 help This module enables IPv4 packet duplication support for nf_tables. diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 63e5be0..bc35f18 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -601,8 +601,11 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) (inet->hdrincl ? FLOWI_FLAG_KNOWN_NH : 0), daddr, saddr, 0, 0); - if (!saddr && ipc.oif) - l3mdev_get_saddr(net, ipc.oif, &fl4); + if (!saddr && ipc.oif) { + err = l3mdev_get_saddr(net, ipc.oif, &fl4); + if (err < 0) + goto done; + } if (!inet->hdrincl) { rfv.msg = msg; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 2d656ee..d4c5115 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2478,6 +2478,9 @@ static void tcp_cwnd_reduction(struct sock *sk, const int prior_unsacked, int newly_acked_sacked = prior_unsacked - (tp->packets_out - tp->sacked_out); + if (newly_acked_sacked <= 0 || WARN_ON_ONCE(!tp->prior_cwnd)) + return; + tp->prr_delivered += newly_acked_sacked; if (delta < 0) { u64 dividend = (u64)tp->snd_ssthresh * tp->prr_delivered + diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index db00343..d8841a2 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1493,7 +1493,7 @@ bool tcp_prequeue(struct sock *sk, struct sk_buff *skb) if (likely(sk->sk_rx_dst)) skb_dst_drop(skb); else - skb_dst_force(skb); + skb_dst_force_safe(skb); __skb_queue_tail(&tp->ucopy.prequeue, skb); tp->ucopy.memory += skb->truesize; @@ -1721,8 +1721,7 @@ void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb) { struct dst_entry *dst = skb_dst(skb); - if (dst) { - dst_hold(dst); + if (dst && dst_hold_safe(dst)) { sk->sk_rx_dst = dst; inet_sk(sk)->rx_dst_ifindex = skb->skb_iif; } diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index cb7ca56..9bfc39f 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -3150,7 +3150,7 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn) { struct tcp_sock *tp = tcp_sk(sk); struct tcp_fastopen_request *fo = tp->fastopen_req; - int syn_loss = 0, space, err = 0, copied; + int syn_loss = 0, space, err = 0; unsigned long last_syn_loss = 0; struct sk_buff *syn_data; @@ -3188,17 +3188,18 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn) goto fallback; syn_data->ip_summed = CHECKSUM_PARTIAL; memcpy(syn_data->cb, syn->cb, sizeof(syn->cb)); - copied = copy_from_iter(skb_put(syn_data, space), space, - &fo->data->msg_iter); - if (unlikely(!copied)) { - kfree_skb(syn_data); - goto fallback; - } - if (copied != space) { - skb_trim(syn_data, copied); - space = copied; + if (space) { + int copied = copy_from_iter(skb_put(syn_data, space), space, + &fo->data->msg_iter); + if (unlikely(!copied)) { + kfree_skb(syn_data); + goto fallback; + } + if (copied != space) { + skb_trim(syn_data, copied); + space = copied; + } } - /* No more data pending in inet_wait_for_connect() */ if (space == fo->size) fo->data = NULL; diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 0c7b0e6..c438908 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1025,8 +1025,11 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) flow_flags, faddr, saddr, dport, inet->inet_sport); - if (!saddr && ipc.oif) - l3mdev_get_saddr(net, ipc.oif, fl4); + if (!saddr && ipc.oif) { + err = l3mdev_get_saddr(net, ipc.oif, fl4); + if (err < 0) + goto out; + } security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); rt = ip_route_output_flow(net, fl4, sk); diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 1e0c3c8..7b0edb3 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -259,7 +259,7 @@ static void xfrm4_dst_ifdown(struct dst_entry *dst, struct net_device *dev, xfrm_dst_ifdown(dst, dev); } -static struct dst_ops xfrm4_dst_ops = { +static struct dst_ops xfrm4_dst_ops_template = { .family = AF_INET, .gc = xfrm4_garbage_collect, .update_pmtu = xfrm4_update_pmtu, @@ -273,7 +273,7 @@ static struct dst_ops xfrm4_dst_ops = { static struct xfrm_policy_afinfo xfrm4_policy_afinfo = { .family = AF_INET, - .dst_ops = &xfrm4_dst_ops, + .dst_ops = &xfrm4_dst_ops_template, .dst_lookup = xfrm4_dst_lookup, .get_saddr = xfrm4_get_saddr, .decode_session = _decode_session4, @@ -295,7 +295,7 @@ static struct ctl_table xfrm4_policy_table[] = { { } }; -static int __net_init xfrm4_net_init(struct net *net) +static int __net_init xfrm4_net_sysctl_init(struct net *net) { struct ctl_table *table; struct ctl_table_header *hdr; @@ -323,7 +323,7 @@ err_alloc: return -ENOMEM; } -static void __net_exit xfrm4_net_exit(struct net *net) +static void __net_exit xfrm4_net_sysctl_exit(struct net *net) { struct ctl_table *table; @@ -335,12 +335,44 @@ static void __net_exit xfrm4_net_exit(struct net *net) if (!net_eq(net, &init_net)) kfree(table); } +#else /* CONFIG_SYSCTL */ +static int inline xfrm4_net_sysctl_init(struct net *net) +{ + return 0; +} + +static void inline xfrm4_net_sysctl_exit(struct net *net) +{ +} +#endif + +static int __net_init xfrm4_net_init(struct net *net) +{ + int ret; + + memcpy(&net->xfrm.xfrm4_dst_ops, &xfrm4_dst_ops_template, + sizeof(xfrm4_dst_ops_template)); + ret = dst_entries_init(&net->xfrm.xfrm4_dst_ops); + if (ret) + return ret; + + ret = xfrm4_net_sysctl_init(net); + if (ret) + dst_entries_destroy(&net->xfrm.xfrm4_dst_ops); + + return ret; +} + +static void __net_exit xfrm4_net_exit(struct net *net) +{ + xfrm4_net_sysctl_exit(net); + dst_entries_destroy(&net->xfrm.xfrm4_dst_ops); +} static struct pernet_operations __net_initdata xfrm4_net_ops = { .init = xfrm4_net_init, .exit = xfrm4_net_exit, }; -#endif static void __init xfrm4_policy_init(void) { @@ -349,13 +381,9 @@ static void __init xfrm4_policy_init(void) void __init xfrm4_init(void) { - dst_entries_init(&xfrm4_dst_ops); - xfrm4_state_init(); xfrm4_policy_init(); xfrm4_protocol_init(); -#ifdef CONFIG_SYSCTL register_pernet_subsys(&xfrm4_net_ops); -#endif } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 61f2685..1f21087 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -350,6 +350,12 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev) setup_timer(&ndev->rs_timer, addrconf_rs_timer, (unsigned long)ndev); memcpy(&ndev->cnf, dev_net(dev)->ipv6.devconf_dflt, sizeof(ndev->cnf)); + + if (ndev->cnf.stable_secret.initialized) + ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY; + else + ndev->addr_gen_mode = IN6_ADDR_GEN_MODE_EUI64; + ndev->cnf.mtu6 = dev->mtu; ndev->cnf.sysctl = NULL; ndev->nd_parms = neigh_parms_alloc(dev, &nd_tbl); @@ -2455,7 +2461,7 @@ ok: #ifdef CONFIG_IPV6_OPTIMISTIC_DAD if (in6_dev->cnf.optimistic_dad && !net->ipv6.devconf_all->forwarding && sllao) - addr_flags = IFA_F_OPTIMISTIC; + addr_flags |= IFA_F_OPTIMISTIC; #endif /* Do not allow to create too much of autoconfigured @@ -5363,13 +5369,10 @@ static int addrconf_sysctl_stable_secret(struct ctl_table *ctl, int write, goto out; } - if (!write) { - err = snprintf(str, sizeof(str), "%pI6", - &secret->secret); - if (err >= sizeof(str)) { - err = -EIO; - goto out; - } + err = snprintf(str, sizeof(str), "%pI6", &secret->secret); + if (err >= sizeof(str)) { + err = -EIO; + goto out; } err = proc_dostring(&lctl, write, buffer, lenp, ppos); diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c index 882124e..a8f6986 100644 --- a/net/ipv6/addrlabel.c +++ b/net/ipv6/addrlabel.c @@ -552,7 +552,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr *nlh) rcu_read_lock(); p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr), ifal->ifal_index); - if (p && ip6addrlbl_hold(p)) + if (p && !ip6addrlbl_hold(p)) p = NULL; lseq = ip6addrlbl_table.seq; rcu_read_unlock(); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 8ec0df7..9f5137c 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -109,6 +109,9 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol, int try_loading_module = 0; int err; + if (protocol < 0 || protocol >= IPPROTO_MAX) + return -EINVAL; + /* Look for the requested type/protocol pair. */ lookup_protocol: err = -ESOCKTNOSUPPORT; diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 3c7b931..e5ea177 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1571,13 +1571,11 @@ static int ip6gre_changelink(struct net_device *dev, struct nlattr *tb[], return -EEXIST; } else { t = nt; - - ip6gre_tunnel_unlink(ign, t); - ip6gre_tnl_change(t, &p, !tb[IFLA_MTU]); - ip6gre_tunnel_link(ign, t); - netdev_state_change(dev); } + ip6gre_tunnel_unlink(ign, t); + ip6gre_tnl_change(t, &p, !tb[IFLA_MTU]); + ip6gre_tunnel_link(ign, t); return 0; } diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index d6161e1..84afb9a 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1183,7 +1183,7 @@ static void ndisc_router_discovery(struct sk_buff *skb) */ if (!in6_dev->cnf.accept_ra_from_local && ipv6_chk_addr(dev_net(in6_dev->dev), &ipv6_hdr(skb)->saddr, - NULL, 0)) { + in6_dev->dev, 0)) { ND_PRINTK(2, info, "RA from local address detected on dev: %s: default router ignored\n", skb->dev->name); @@ -1337,7 +1337,7 @@ skip_linkparms: #ifdef CONFIG_IPV6_ROUTE_INFO if (!in6_dev->cnf.accept_ra_from_local && ipv6_chk_addr(dev_net(in6_dev->dev), &ipv6_hdr(skb)->saddr, - NULL, 0)) { + in6_dev->dev, 0)) { ND_PRINTK(2, info, "RA from local address detected on dev: %s: router info ignored.\n", skb->dev->name); diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig index f6a024e..e10a04c 100644 --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig @@ -49,6 +49,7 @@ config NFT_REJECT_IPV6 config NFT_DUP_IPV6 tristate "IPv6 nf_tables packet duplication support" + depends on !NF_CONNTRACK || NF_CONNTRACK select NF_DUP_IPV6 help This module enables IPv6 packet duplication support for nf_tables. diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index e7aab56..6b8a8a9 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -93,10 +93,9 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb) { struct dst_entry *dst = skb_dst(skb); - if (dst) { + if (dst && dst_hold_safe(dst)) { const struct rt6_info *rt = (const struct rt6_info *)dst; - dst_hold(dst); sk->sk_rx_dst = dst; inet_sk(sk)->rx_dst_ifindex = skb->skb_iif; inet6_sk(sk)->rx_dst_cookie = rt6_get_cookie(rt); diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 5643423..c074771 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -279,7 +279,7 @@ static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev, xfrm_dst_ifdown(dst, dev); } -static struct dst_ops xfrm6_dst_ops = { +static struct dst_ops xfrm6_dst_ops_template = { .family = AF_INET6, .gc = xfrm6_garbage_collect, .update_pmtu = xfrm6_update_pmtu, @@ -293,7 +293,7 @@ static struct dst_ops xfrm6_dst_ops = { static struct xfrm_policy_afinfo xfrm6_policy_afinfo = { .family = AF_INET6, - .dst_ops = &xfrm6_dst_ops, + .dst_ops = &xfrm6_dst_ops_template, .dst_lookup = xfrm6_dst_lookup, .get_saddr = xfrm6_get_saddr, .decode_session = _decode_session6, @@ -325,7 +325,7 @@ static struct ctl_table xfrm6_policy_table[] = { { } }; -static int __net_init xfrm6_net_init(struct net *net) +static int __net_init xfrm6_net_sysctl_init(struct net *net) { struct ctl_table *table; struct ctl_table_header *hdr; @@ -353,7 +353,7 @@ err_alloc: return -ENOMEM; } -static void __net_exit xfrm6_net_exit(struct net *net) +static void __net_exit xfrm6_net_sysctl_exit(struct net *net) { struct ctl_table *table; @@ -365,24 +365,52 @@ static void __net_exit xfrm6_net_exit(struct net *net) if (!net_eq(net, &init_net)) kfree(table); } +#else /* CONFIG_SYSCTL */ +static int inline xfrm6_net_sysctl_init(struct net *net) +{ + return 0; +} + +static void inline xfrm6_net_sysctl_exit(struct net *net) +{ +} +#endif + +static int __net_init xfrm6_net_init(struct net *net) +{ + int ret; + + memcpy(&net->xfrm.xfrm6_dst_ops, &xfrm6_dst_ops_template, + sizeof(xfrm6_dst_ops_template)); + ret = dst_entries_init(&net->xfrm.xfrm6_dst_ops); + if (ret) + return ret; + + ret = xfrm6_net_sysctl_init(net); + if (ret) + dst_entries_destroy(&net->xfrm.xfrm6_dst_ops); + + return ret; +} + +static void __net_exit xfrm6_net_exit(struct net *net) +{ + xfrm6_net_sysctl_exit(net); + dst_entries_destroy(&net->xfrm.xfrm6_dst_ops); +} static struct pernet_operations xfrm6_net_ops = { .init = xfrm6_net_init, .exit = xfrm6_net_exit, }; -#endif int __init xfrm6_init(void) { int ret; - dst_entries_init(&xfrm6_dst_ops); - ret = xfrm6_policy_init(); - if (ret) { - dst_entries_destroy(&xfrm6_dst_ops); + if (ret) goto out; - } ret = xfrm6_state_init(); if (ret) goto out_policy; @@ -391,9 +419,7 @@ int __init xfrm6_init(void) if (ret) goto out_state; -#ifdef CONFIG_SYSCTL register_pernet_subsys(&xfrm6_net_ops); -#endif out: return ret; out_state: @@ -405,11 +431,8 @@ out_policy: void xfrm6_fini(void) { -#ifdef CONFIG_SYSCTL unregister_pernet_subsys(&xfrm6_net_ops); -#endif xfrm6_protocol_fini(); xfrm6_policy_fini(); xfrm6_state_fini(); - dst_entries_destroy(&xfrm6_dst_ops); } diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index e6aa48b..923abd6 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -1086,6 +1086,9 @@ static int irda_create(struct net *net, struct socket *sock, int protocol, struct sock *sk; struct irda_sock *self; + if (protocol < 0 || protocol > SK_PROTOCOL_MAX) + return -EINVAL; + if (net != &init_net) return -EAFNOSUPPORT; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index da471ee..c12f348 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1169,8 +1169,7 @@ static int sta_apply_parameters(struct ieee80211_local *local, * rc isn't initialized here yet, so ignore it */ __ieee80211_vht_handle_opmode(sdata, sta, - params->opmode_notif, - band, false); + params->opmode_notif, band); } if (ieee80211_vif_is_mesh(&sdata->vif)) diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index d832bd5..5322b4c 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1709,10 +1709,10 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); void ieee80211_sta_set_rx_nss(struct sta_info *sta); u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, u8 opmode, - enum ieee80211_band band, bool nss_only); + enum ieee80211_band band); void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, u8 opmode, - enum ieee80211_band band, bool nss_only); + enum ieee80211_band band); void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, struct ieee80211_sta_vht_cap *vht_cap); void ieee80211_get_vht_mask_from_cap(__le16 vht_cap, diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index b140cc6..3aa0434 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1379,21 +1379,26 @@ static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata, */ if (has_80211h_pwr && (!has_cisco_pwr || pwr_level_80211h <= pwr_level_cisco)) { + new_ap_level = pwr_level_80211h; + + if (sdata->ap_power_level == new_ap_level) + return 0; + sdata_dbg(sdata, "Limiting TX power to %d (%d - %d) dBm as advertised by %pM\n", pwr_level_80211h, chan_pwr, pwr_reduction_80211h, sdata->u.mgd.bssid); - new_ap_level = pwr_level_80211h; } else { /* has_cisco_pwr is always true here. */ + new_ap_level = pwr_level_cisco; + + if (sdata->ap_power_level == new_ap_level) + return 0; + sdata_dbg(sdata, "Limiting TX power to %d dBm as advertised by %pM\n", pwr_level_cisco, sdata->u.mgd.bssid); - new_ap_level = pwr_level_cisco; } - if (sdata->ap_power_level == new_ap_level) - return 0; - sdata->ap_power_level = new_ap_level; if (__ieee80211_recalc_txpower(sdata)) return BSS_CHANGED_TXPOWER; @@ -3575,7 +3580,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, if (sta && elems.opmode_notif) ieee80211_vht_handle_opmode(sdata, sta, *elems.opmode_notif, - rx_status->band, true); + rx_status->band); mutex_unlock(&local->sta_mtx); changed |= ieee80211_handle_pwr_constr(sdata, chan, mgmt, diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 8bae5de..82af407 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2736,8 +2736,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) opmode = mgmt->u.action.u.vht_opmode_notif.operating_mode; ieee80211_vht_handle_opmode(rx->sdata, rx->sta, - opmode, status->band, - false); + opmode, status->band); goto handled; } default: diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 7405802..33344f5 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1641,6 +1641,29 @@ void ieee80211_stop_device(struct ieee80211_local *local) drv_stop(local); } +static void ieee80211_flush_completed_scan(struct ieee80211_local *local, + bool aborted) +{ + /* It's possible that we don't handle the scan completion in + * time during suspend, so if it's still marked as completed + * here, queue the work and flush it to clean things up. + * Instead of calling the worker function directly here, we + * really queue it to avoid potential races with other flows + * scheduling the same work. + */ + if (test_bit(SCAN_COMPLETED, &local->scanning)) { + /* If coming from reconfiguration failure, abort the scan so + * we don't attempt to continue a partial HW scan - which is + * possible otherwise if (e.g.) the 2.4 GHz portion was the + * completed scan, and a 5 GHz portion is still pending. + */ + if (aborted) + set_bit(SCAN_ABORTED, &local->scanning); + ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0); + flush_delayed_work(&local->scan_work); + } +} + static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; @@ -1660,6 +1683,8 @@ static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local) local->suspended = false; local->in_reconfig = false; + ieee80211_flush_completed_scan(local, true); + /* scheduled scan clearly can't be running any more, but tell * cfg80211 and clear local state */ @@ -1698,6 +1723,27 @@ static void ieee80211_assign_chanctx(struct ieee80211_local *local, mutex_unlock(&local->chanctx_mtx); } +static void ieee80211_reconfig_stations(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct sta_info *sta; + + /* add STAs back */ + mutex_lock(&local->sta_mtx); + list_for_each_entry(sta, &local->sta_list, list) { + enum ieee80211_sta_state state; + + if (!sta->uploaded || sta->sdata != sdata) + continue; + + for (state = IEEE80211_STA_NOTEXIST; + state < sta->sta_state; state++) + WARN_ON(drv_sta_state(local, sta->sdata, sta, state, + state + 1)); + } + mutex_unlock(&local->sta_mtx); +} + int ieee80211_reconfig(struct ieee80211_local *local) { struct ieee80211_hw *hw = &local->hw; @@ -1833,50 +1879,11 @@ int ieee80211_reconfig(struct ieee80211_local *local) WARN_ON(drv_add_chanctx(local, ctx)); mutex_unlock(&local->chanctx_mtx); - list_for_each_entry(sdata, &local->interfaces, list) { - if (!ieee80211_sdata_running(sdata)) - continue; - ieee80211_assign_chanctx(local, sdata); - } - sdata = rtnl_dereference(local->monitor_sdata); if (sdata && ieee80211_sdata_running(sdata)) ieee80211_assign_chanctx(local, sdata); } - /* add STAs back */ - mutex_lock(&local->sta_mtx); - list_for_each_entry(sta, &local->sta_list, list) { - enum ieee80211_sta_state state; - - if (!sta->uploaded) - continue; - - /* AP-mode stations will be added later */ - if (sta->sdata->vif.type == NL80211_IFTYPE_AP) - continue; - - for (state = IEEE80211_STA_NOTEXIST; - state < sta->sta_state; state++) - WARN_ON(drv_sta_state(local, sta->sdata, sta, state, - state + 1)); - } - mutex_unlock(&local->sta_mtx); - - /* reconfigure tx conf */ - if (hw->queues >= IEEE80211_NUM_ACS) { - list_for_each_entry(sdata, &local->interfaces, list) { - if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN || - sdata->vif.type == NL80211_IFTYPE_MONITOR || - !ieee80211_sdata_running(sdata)) - continue; - - for (i = 0; i < IEEE80211_NUM_ACS; i++) - drv_conf_tx(local, sdata, i, - &sdata->tx_conf[i]); - } - } - /* reconfigure hardware */ ieee80211_hw_config(local, ~0); @@ -1889,6 +1896,22 @@ int ieee80211_reconfig(struct ieee80211_local *local) if (!ieee80211_sdata_running(sdata)) continue; + ieee80211_assign_chanctx(local, sdata); + + switch (sdata->vif.type) { + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_MONITOR: + break; + default: + ieee80211_reconfig_stations(sdata); + /* fall through */ + case NL80211_IFTYPE_AP: /* AP stations are handled later */ + for (i = 0; i < IEEE80211_NUM_ACS; i++) + drv_conf_tx(local, sdata, i, + &sdata->tx_conf[i]); + break; + } + /* common change flags for all interface types */ changed = BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_ERP_PREAMBLE | @@ -2074,17 +2097,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) mb(); local->resuming = false; - /* It's possible that we don't handle the scan completion in - * time during suspend, so if it's still marked as completed - * here, queue the work and flush it to clean things up. - * Instead of calling the worker function directly here, we - * really queue it to avoid potential races with other flows - * scheduling the same work. - */ - if (test_bit(SCAN_COMPLETED, &local->scanning)) { - ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0); - flush_delayed_work(&local->scan_work); - } + ieee80211_flush_completed_scan(local, false); if (local->open_count && !reconfig_due_to_wowlan) drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_SUSPEND); diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index ff1c798..c38b2f0 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -378,7 +378,7 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta) u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, u8 opmode, - enum ieee80211_band band, bool nss_only) + enum ieee80211_band band) { struct ieee80211_local *local = sdata->local; struct ieee80211_supported_band *sband; @@ -401,9 +401,6 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, changed |= IEEE80211_RC_NSS_CHANGED; } - if (nss_only) - return changed; - switch (opmode & IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK) { case IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_20; @@ -430,13 +427,12 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, u8 opmode, - enum ieee80211_band band, bool nss_only) + enum ieee80211_band band) { struct ieee80211_local *local = sdata->local; struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; - u32 changed = __ieee80211_vht_handle_opmode(sdata, sta, opmode, - band, nss_only); + u32 changed = __ieee80211_vht_handle_opmode(sdata, sta, opmode, band); if (changed > 0) rate_control_rate_update(local, sband, sta, changed); diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index c70d750..c32fc41 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -27,6 +27,8 @@ */ #define MAX_MP_SELECT_LABELS 4 +#define MPLS_NEIGH_TABLE_UNSPEC (NEIGH_LINK_TABLE + 1) + static int zero = 0; static int label_limit = (1 << 20) - 1; @@ -317,7 +319,13 @@ static int mpls_forward(struct sk_buff *skb, struct net_device *dev, } } - err = neigh_xmit(nh->nh_via_table, out_dev, mpls_nh_via(rt, nh), skb); + /* If via wasn't specified then send out using device address */ + if (nh->nh_via_table == MPLS_NEIGH_TABLE_UNSPEC) + err = neigh_xmit(NEIGH_LINK_TABLE, out_dev, + out_dev->dev_addr, skb); + else + err = neigh_xmit(nh->nh_via_table, out_dev, + mpls_nh_via(rt, nh), skb); if (err) net_dbg_ratelimited("%s: packet transmission failed: %d\n", __func__, err); @@ -534,6 +542,10 @@ static int mpls_nh_assign_dev(struct net *net, struct mpls_route *rt, if (!mpls_dev_get(dev)) goto errout; + if ((nh->nh_via_table == NEIGH_LINK_TABLE) && + (dev->addr_len != nh->nh_via_alen)) + goto errout; + RCU_INIT_POINTER(nh->nh_dev, dev); return 0; @@ -592,10 +604,14 @@ static int mpls_nh_build(struct net *net, struct mpls_route *rt, goto errout; } - err = nla_get_via(via, &nh->nh_via_alen, &nh->nh_via_table, - __mpls_nh_via(rt, nh)); - if (err) - goto errout; + if (via) { + err = nla_get_via(via, &nh->nh_via_alen, &nh->nh_via_table, + __mpls_nh_via(rt, nh)); + if (err) + goto errout; + } else { + nh->nh_via_table = MPLS_NEIGH_TABLE_UNSPEC; + } err = mpls_nh_assign_dev(net, rt, nh, oif); if (err) @@ -677,9 +693,6 @@ static int mpls_nh_build_multi(struct mpls_route_config *cfg, nla_newdst = nla_find(attrs, attrlen, RTA_NEWDST); } - if (!nla_via) - goto errout; - err = mpls_nh_build(cfg->rc_nlinfo.nl_net, rt, nh, rtnh->rtnh_ifindex, nla_via, nla_newdst); @@ -1118,6 +1131,7 @@ static int rtm_to_route_config(struct sk_buff *skb, struct nlmsghdr *nlh, cfg->rc_label = LABEL_NOT_SPECIFIED; cfg->rc_protocol = rtm->rtm_protocol; + cfg->rc_via_table = MPLS_NEIGH_TABLE_UNSPEC; cfg->rc_nlflags = nlh->nlmsg_flags; cfg->rc_nlinfo.portid = NETLINK_CB(skb).portid; cfg->rc_nlinfo.nlh = nlh; @@ -1231,7 +1245,8 @@ static int mpls_dump_route(struct sk_buff *skb, u32 portid, u32 seq, int event, nla_put_labels(skb, RTA_NEWDST, nh->nh_labels, nh->nh_label)) goto nla_put_failure; - if (nla_put_via(skb, nh->nh_via_table, mpls_nh_via(rt, nh), + if (nh->nh_via_table != MPLS_NEIGH_TABLE_UNSPEC && + nla_put_via(skb, nh->nh_via_table, mpls_nh_via(rt, nh), nh->nh_via_alen)) goto nla_put_failure; dev = rtnl_dereference(nh->nh_dev); @@ -1257,7 +1272,8 @@ static int mpls_dump_route(struct sk_buff *skb, u32 portid, u32 seq, int event, nh->nh_labels, nh->nh_label)) goto nla_put_failure; - if (nla_put_via(skb, nh->nh_via_table, + if (nh->nh_via_table != MPLS_NEIGH_TABLE_UNSPEC && + nla_put_via(skb, nh->nh_via_table, mpls_nh_via(rt, nh), nh->nh_via_alen)) goto nla_put_failure; @@ -1319,7 +1335,8 @@ static inline size_t lfib_nlmsg_size(struct mpls_route *rt) if (nh->nh_dev) payload += nla_total_size(4); /* RTA_OIF */ - payload += nla_total_size(2 + nh->nh_via_alen); /* RTA_VIA */ + if (nh->nh_via_table != MPLS_NEIGH_TABLE_UNSPEC) /* RTA_VIA */ + payload += nla_total_size(2 + nh->nh_via_alen); if (nh->nh_labels) /* RTA_NEWDST */ payload += nla_total_size(nh->nh_labels * 4); } else { @@ -1328,7 +1345,9 @@ static inline size_t lfib_nlmsg_size(struct mpls_route *rt) for_nexthops(rt) { nhsize += nla_total_size(sizeof(struct rtnexthop)); - nhsize += nla_total_size(2 + nh->nh_via_alen); + /* RTA_VIA */ + if (nh->nh_via_table != MPLS_NEIGH_TABLE_UNSPEC) + nhsize += nla_total_size(2 + nh->nh_via_alen); if (nh->nh_labels) nhsize += nla_total_size(nh->nh_labels * 4); } endfor_nexthops(rt); diff --git a/net/mpls/mpls_iptunnel.c b/net/mpls/mpls_iptunnel.c index 67591ae..64afd3d 100644 --- a/net/mpls/mpls_iptunnel.c +++ b/net/mpls/mpls_iptunnel.c @@ -54,10 +54,10 @@ int mpls_output(struct net *net, struct sock *sk, struct sk_buff *skb) unsigned int ttl; /* Obtain the ttl */ - if (skb->protocol == htons(ETH_P_IP)) { + if (dst->ops->family == AF_INET) { ttl = ip_hdr(skb)->ttl; rt = (struct rtable *)dst; - } else if (skb->protocol == htons(ETH_P_IPV6)) { + } else if (dst->ops->family == AF_INET6) { ttl = ipv6_hdr(skb)->hop_limit; rt6 = (struct rt6_info *)dst; } else { diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 93cc473..2cb429d 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -89,6 +89,7 @@ nf_tables_afinfo_lookup(struct net *net, int family, bool autoload) } static void nft_ctx_init(struct nft_ctx *ctx, + struct net *net, const struct sk_buff *skb, const struct nlmsghdr *nlh, struct nft_af_info *afi, @@ -96,7 +97,7 @@ static void nft_ctx_init(struct nft_ctx *ctx, struct nft_chain *chain, const struct nlattr * const *nla) { - ctx->net = sock_net(skb->sk); + ctx->net = net; ctx->afi = afi; ctx->table = table; ctx->chain = chain; @@ -672,15 +673,14 @@ err: return ret; } -static int nf_tables_newtable(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_newtable(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { const struct nfgenmsg *nfmsg = nlmsg_data(nlh); const struct nlattr *name; struct nft_af_info *afi; struct nft_table *table; - struct net *net = sock_net(skb->sk); int family = nfmsg->nfgen_family; u32 flags = 0; struct nft_ctx ctx; @@ -706,7 +706,7 @@ static int nf_tables_newtable(struct sock *nlsk, struct sk_buff *skb, if (nlh->nlmsg_flags & NLM_F_REPLACE) return -EOPNOTSUPP; - nft_ctx_init(&ctx, skb, nlh, afi, table, NULL, nla); + nft_ctx_init(&ctx, net, skb, nlh, afi, table, NULL, nla); return nf_tables_updtable(&ctx); } @@ -730,7 +730,7 @@ static int nf_tables_newtable(struct sock *nlsk, struct sk_buff *skb, INIT_LIST_HEAD(&table->sets); table->flags = flags; - nft_ctx_init(&ctx, skb, nlh, afi, table, NULL, nla); + nft_ctx_init(&ctx, net, skb, nlh, afi, table, NULL, nla); err = nft_trans_table_add(&ctx, NFT_MSG_NEWTABLE); if (err < 0) goto err3; @@ -810,18 +810,17 @@ out: return err; } -static int nf_tables_deltable(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_deltable(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { const struct nfgenmsg *nfmsg = nlmsg_data(nlh); struct nft_af_info *afi; struct nft_table *table; - struct net *net = sock_net(skb->sk); int family = nfmsg->nfgen_family; struct nft_ctx ctx; - nft_ctx_init(&ctx, skb, nlh, NULL, NULL, NULL, nla); + nft_ctx_init(&ctx, net, skb, nlh, NULL, NULL, NULL, nla); if (family == AF_UNSPEC || nla[NFTA_TABLE_NAME] == NULL) return nft_flush(&ctx, family); @@ -1221,8 +1220,8 @@ static void nf_tables_chain_destroy(struct nft_chain *chain) } } -static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_newchain(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { const struct nfgenmsg *nfmsg = nlmsg_data(nlh); @@ -1232,7 +1231,6 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb, struct nft_chain *chain; struct nft_base_chain *basechain = NULL; struct nlattr *ha[NFTA_HOOK_MAX + 1]; - struct net *net = sock_net(skb->sk); int family = nfmsg->nfgen_family; struct net_device *dev = NULL; u8 policy = NF_ACCEPT; @@ -1313,7 +1311,7 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb, return PTR_ERR(stats); } - nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla); + nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla); trans = nft_trans_alloc(&ctx, NFT_MSG_NEWCHAIN, sizeof(struct nft_trans_chain)); if (trans == NULL) { @@ -1461,7 +1459,7 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb, if (err < 0) goto err1; - nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla); + nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla); err = nft_trans_chain_add(&ctx, NFT_MSG_NEWCHAIN); if (err < 0) goto err2; @@ -1476,15 +1474,14 @@ err1: return err; } -static int nf_tables_delchain(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_delchain(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { const struct nfgenmsg *nfmsg = nlmsg_data(nlh); struct nft_af_info *afi; struct nft_table *table; struct nft_chain *chain; - struct net *net = sock_net(skb->sk); int family = nfmsg->nfgen_family; struct nft_ctx ctx; @@ -1506,7 +1503,7 @@ static int nf_tables_delchain(struct sock *nlsk, struct sk_buff *skb, if (chain->use > 0) return -EBUSY; - nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla); + nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla); return nft_delchain(&ctx); } @@ -2010,13 +2007,12 @@ static void nf_tables_rule_destroy(const struct nft_ctx *ctx, static struct nft_expr_info *info; -static int nf_tables_newrule(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_newrule(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { const struct nfgenmsg *nfmsg = nlmsg_data(nlh); struct nft_af_info *afi; - struct net *net = sock_net(skb->sk); struct nft_table *table; struct nft_chain *chain; struct nft_rule *rule, *old_rule = NULL; @@ -2075,7 +2071,7 @@ static int nf_tables_newrule(struct sock *nlsk, struct sk_buff *skb, return PTR_ERR(old_rule); } - nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla); + nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla); n = 0; size = 0; @@ -2176,13 +2172,12 @@ err1: return err; } -static int nf_tables_delrule(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_delrule(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { const struct nfgenmsg *nfmsg = nlmsg_data(nlh); struct nft_af_info *afi; - struct net *net = sock_net(skb->sk); struct nft_table *table; struct nft_chain *chain = NULL; struct nft_rule *rule; @@ -2205,7 +2200,7 @@ static int nf_tables_delrule(struct sock *nlsk, struct sk_buff *skb, return PTR_ERR(chain); } - nft_ctx_init(&ctx, skb, nlh, afi, table, chain, nla); + nft_ctx_init(&ctx, net, skb, nlh, afi, table, chain, nla); if (chain) { if (nla[NFTA_RULE_HANDLE]) { @@ -2344,12 +2339,11 @@ static const struct nla_policy nft_set_desc_policy[NFTA_SET_DESC_MAX + 1] = { [NFTA_SET_DESC_SIZE] = { .type = NLA_U32 }, }; -static int nft_ctx_init_from_setattr(struct nft_ctx *ctx, +static int nft_ctx_init_from_setattr(struct nft_ctx *ctx, struct net *net, const struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { - struct net *net = sock_net(skb->sk); const struct nfgenmsg *nfmsg = nlmsg_data(nlh); struct nft_af_info *afi = NULL; struct nft_table *table = NULL; @@ -2371,7 +2365,7 @@ static int nft_ctx_init_from_setattr(struct nft_ctx *ctx, return -ENOENT; } - nft_ctx_init(ctx, skb, nlh, afi, table, NULL, nla); + nft_ctx_init(ctx, net, skb, nlh, afi, table, NULL, nla); return 0; } @@ -2623,6 +2617,7 @@ static int nf_tables_getset(struct sock *nlsk, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { + struct net *net = sock_net(skb->sk); const struct nft_set *set; struct nft_ctx ctx; struct sk_buff *skb2; @@ -2630,7 +2625,7 @@ static int nf_tables_getset(struct sock *nlsk, struct sk_buff *skb, int err; /* Verify existence before starting dump */ - err = nft_ctx_init_from_setattr(&ctx, skb, nlh, nla); + err = nft_ctx_init_from_setattr(&ctx, net, skb, nlh, nla); if (err < 0) return err; @@ -2693,14 +2688,13 @@ static int nf_tables_set_desc_parse(const struct nft_ctx *ctx, return 0; } -static int nf_tables_newset(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_newset(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { const struct nfgenmsg *nfmsg = nlmsg_data(nlh); const struct nft_set_ops *ops; struct nft_af_info *afi; - struct net *net = sock_net(skb->sk); struct nft_table *table; struct nft_set *set; struct nft_ctx ctx; @@ -2798,7 +2792,7 @@ static int nf_tables_newset(struct sock *nlsk, struct sk_buff *skb, if (IS_ERR(table)) return PTR_ERR(table); - nft_ctx_init(&ctx, skb, nlh, afi, table, NULL, nla); + nft_ctx_init(&ctx, net, skb, nlh, afi, table, NULL, nla); set = nf_tables_set_lookup(table, nla[NFTA_SET_NAME]); if (IS_ERR(set)) { @@ -2882,8 +2876,8 @@ static void nf_tables_set_destroy(const struct nft_ctx *ctx, struct nft_set *set nft_set_destroy(set); } -static int nf_tables_delset(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_delset(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { const struct nfgenmsg *nfmsg = nlmsg_data(nlh); @@ -2896,7 +2890,7 @@ static int nf_tables_delset(struct sock *nlsk, struct sk_buff *skb, if (nla[NFTA_SET_TABLE] == NULL) return -EINVAL; - err = nft_ctx_init_from_setattr(&ctx, skb, nlh, nla); + err = nft_ctx_init_from_setattr(&ctx, net, skb, nlh, nla); if (err < 0) return err; @@ -3024,7 +3018,7 @@ static const struct nla_policy nft_set_elem_list_policy[NFTA_SET_ELEM_LIST_MAX + [NFTA_SET_ELEM_LIST_SET_ID] = { .type = NLA_U32 }, }; -static int nft_ctx_init_from_elemattr(struct nft_ctx *ctx, +static int nft_ctx_init_from_elemattr(struct nft_ctx *ctx, struct net *net, const struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[], @@ -3033,7 +3027,6 @@ static int nft_ctx_init_from_elemattr(struct nft_ctx *ctx, const struct nfgenmsg *nfmsg = nlmsg_data(nlh); struct nft_af_info *afi; struct nft_table *table; - struct net *net = sock_net(skb->sk); afi = nf_tables_afinfo_lookup(net, nfmsg->nfgen_family, false); if (IS_ERR(afi)) @@ -3045,7 +3038,7 @@ static int nft_ctx_init_from_elemattr(struct nft_ctx *ctx, if (!trans && (table->flags & NFT_TABLE_INACTIVE)) return -ENOENT; - nft_ctx_init(ctx, skb, nlh, afi, table, NULL, nla); + nft_ctx_init(ctx, net, skb, nlh, afi, table, NULL, nla); return 0; } @@ -3135,6 +3128,7 @@ static int nf_tables_dump_setelem(const struct nft_ctx *ctx, static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb) { + struct net *net = sock_net(skb->sk); const struct nft_set *set; struct nft_set_dump_args args; struct nft_ctx ctx; @@ -3150,8 +3144,8 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb) if (err < 0) return err; - err = nft_ctx_init_from_elemattr(&ctx, cb->skb, cb->nlh, (void *)nla, - false); + err = nft_ctx_init_from_elemattr(&ctx, net, cb->skb, cb->nlh, + (void *)nla, false); if (err < 0) return err; @@ -3212,11 +3206,12 @@ static int nf_tables_getsetelem(struct sock *nlsk, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { + struct net *net = sock_net(skb->sk); const struct nft_set *set; struct nft_ctx ctx; int err; - err = nft_ctx_init_from_elemattr(&ctx, skb, nlh, nla, false); + err = nft_ctx_init_from_elemattr(&ctx, net, skb, nlh, nla, false); if (err < 0) return err; @@ -3528,11 +3523,10 @@ err1: return err; } -static int nf_tables_newsetelem(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_newsetelem(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { - struct net *net = sock_net(skb->sk); const struct nlattr *attr; struct nft_set *set; struct nft_ctx ctx; @@ -3541,7 +3535,7 @@ static int nf_tables_newsetelem(struct sock *nlsk, struct sk_buff *skb, if (nla[NFTA_SET_ELEM_LIST_ELEMENTS] == NULL) return -EINVAL; - err = nft_ctx_init_from_elemattr(&ctx, skb, nlh, nla, true); + err = nft_ctx_init_from_elemattr(&ctx, net, skb, nlh, nla, true); if (err < 0) return err; @@ -3623,8 +3617,8 @@ err1: return err; } -static int nf_tables_delsetelem(struct sock *nlsk, struct sk_buff *skb, - const struct nlmsghdr *nlh, +static int nf_tables_delsetelem(struct net *net, struct sock *nlsk, + struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const nla[]) { const struct nlattr *attr; @@ -3635,7 +3629,7 @@ static int nf_tables_delsetelem(struct sock *nlsk, struct sk_buff *skb, if (nla[NFTA_SET_ELEM_LIST_ELEMENTS] == NULL) return -EINVAL; - err = nft_ctx_init_from_elemattr(&ctx, skb, nlh, nla, false); + err = nft_ctx_init_from_elemattr(&ctx, net, skb, nlh, nla, false); if (err < 0) return err; @@ -4030,7 +4024,8 @@ static int nf_tables_abort(struct sk_buff *skb) struct nft_trans *trans, *next; struct nft_trans_elem *te; - list_for_each_entry_safe(trans, next, &net->nft.commit_list, list) { + list_for_each_entry_safe_reverse(trans, next, &net->nft.commit_list, + list) { switch (trans->msg_type) { case NFT_MSG_NEWTABLE: if (nft_trans_table_update(trans)) { diff --git a/net/netfilter/nf_tables_netdev.c b/net/netfilter/nf_tables_netdev.c index 7b9c053..edb3502f 100644 --- a/net/netfilter/nf_tables_netdev.c +++ b/net/netfilter/nf_tables_netdev.c @@ -94,7 +94,7 @@ nft_do_chain_netdev(void *priv, struct sk_buff *skb, { struct nft_pktinfo pkt; - switch (eth_hdr(skb)->h_proto) { + switch (skb->protocol) { case htons(ETH_P_IP): nft_netdev_set_pktinfo_ipv4(&pkt, skb, state); break; diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 46453ab..77afe91 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -295,8 +295,6 @@ replay: if (!skb) return netlink_ack(oskb, nlh, -ENOMEM); - skb->sk = oskb->sk; - nfnl_lock(subsys_id); ss = rcu_dereference_protected(table[subsys_id].subsys, lockdep_is_held(&table[subsys_id].mutex)); @@ -381,7 +379,7 @@ replay: goto ack; if (nc->call_batch) { - err = nc->call_batch(net->nfnl, skb, nlh, + err = nc->call_batch(net, net->nfnl, skb, nlh, (const struct nlattr **)cda); } diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 7d81d28..861c661 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -365,8 +365,9 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue, break; } + nfnl_ct = rcu_dereference(nfnl_ct_hook); + if (queue->flags & NFQA_CFG_F_CONNTRACK) { - nfnl_ct = rcu_dereference(nfnl_ct_hook); if (nfnl_ct != NULL) { ct = nfnl_ct->get_ct(entskb, &ctinfo); if (ct != NULL) @@ -1064,9 +1065,10 @@ nfqnl_recv_verdict(struct sock *ctnl, struct sk_buff *skb, if (entry == NULL) return -ENOENT; + /* rcu lock already held from nfnl->call_rcu. */ + nfnl_ct = rcu_dereference(nfnl_ct_hook); + if (nfqa[NFQA_CT]) { - /* rcu lock already held from nfnl->call_rcu. */ - nfnl_ct = rcu_dereference(nfnl_ct_hook); if (nfnl_ct != NULL) ct = nfqnl_ct_parse(nfnl_ct, nlh, nfqa, entry, &ctinfo); } @@ -1417,6 +1419,7 @@ static int __init nfnetlink_queue_init(void) cleanup_netlink_notifier: netlink_unregister_notifier(&nfqnl_rtnl_notifier); + unregister_pernet_subsys(&nfnl_queue_net_ops); out: return status; } diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c index 8cbca34..9399215 100644 --- a/net/netfilter/nft_ct.c +++ b/net/netfilter/nft_ct.c @@ -366,6 +366,7 @@ static int nft_ct_get_dump(struct sk_buff *skb, const struct nft_expr *expr) goto nla_put_failure; switch (priv->key) { + case NFT_CT_L3PROTOCOL: case NFT_CT_PROTOCOL: case NFT_CT_SRC: case NFT_CT_DST: diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index c2cc111..e004067 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -53,6 +53,8 @@ struct ovs_conntrack_info { struct md_labels labels; }; +static void __ovs_ct_free_action(struct ovs_conntrack_info *ct_info); + static u16 key_to_nfproto(const struct sw_flow_key *key) { switch (ntohs(key->eth.type)) { @@ -141,6 +143,7 @@ static void __ovs_ct_update_key(struct sw_flow_key *key, u8 state, * previously sent the packet to conntrack via the ct action. */ static void ovs_ct_update_key(const struct sk_buff *skb, + const struct ovs_conntrack_info *info, struct sw_flow_key *key, bool post_ct) { const struct nf_conntrack_zone *zone = &nf_ct_zone_dflt; @@ -158,13 +161,15 @@ static void ovs_ct_update_key(const struct sk_buff *skb, zone = nf_ct_zone(ct); } else if (post_ct) { state = OVS_CS_F_TRACKED | OVS_CS_F_INVALID; + if (info) + zone = &info->zone; } __ovs_ct_update_key(key, state, zone, ct); } void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key) { - ovs_ct_update_key(skb, key, false); + ovs_ct_update_key(skb, NULL, key, false); } int ovs_ct_put_key(const struct sw_flow_key *key, struct sk_buff *skb) @@ -418,7 +423,7 @@ static int __ovs_ct_lookup(struct net *net, struct sw_flow_key *key, } } - ovs_ct_update_key(skb, key, true); + ovs_ct_update_key(skb, info, key, true); return 0; } @@ -693,6 +698,10 @@ int ovs_ct_copy_action(struct net *net, const struct nlattr *attr, OVS_NLERR(log, "Failed to allocate conntrack template"); return -ENOMEM; } + + __set_bit(IPS_CONFIRMED_BIT, &ct_info.ct->status); + nf_conntrack_get(&ct_info.ct->ct_general); + if (helper) { err = ovs_ct_add_helper(&ct_info, helper, key, log); if (err) @@ -704,11 +713,9 @@ int ovs_ct_copy_action(struct net *net, const struct nlattr *attr, if (err) goto err_free_ct; - __set_bit(IPS_CONFIRMED_BIT, &ct_info.ct->status); - nf_conntrack_get(&ct_info.ct->ct_general); return 0; err_free_ct: - nf_conntrack_free(ct_info.ct); + __ovs_ct_free_action(&ct_info); return err; } @@ -750,6 +757,11 @@ void ovs_ct_free_action(const struct nlattr *a) { struct ovs_conntrack_info *ct_info = nla_data(a); + __ovs_ct_free_action(ct_info); +} + +static void __ovs_ct_free_action(struct ovs_conntrack_info *ct_info) +{ if (ct_info->helper) module_put(ct_info->helper->me); if (ct_info->ct) diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c index 907d6fd..d1bd4a4 100644 --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@ -2434,7 +2434,10 @@ static int set_action_to_attr(const struct nlattr *a, struct sk_buff *skb) if (!start) return -EMSGSIZE; - err = ovs_nla_put_tunnel_info(skb, tun_info); + err = ip_tun_to_nlattr(skb, &tun_info->key, + ip_tunnel_info_opts(tun_info), + tun_info->options_len, + ip_tunnel_info_af(tun_info)); if (err) return err; nla_nest_end(skb, start); diff --git a/net/rfkill/core.c b/net/rfkill/core.c index b41e9ea..f53bf3b6 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -49,7 +49,6 @@ struct rfkill { spinlock_t lock; - const char *name; enum rfkill_type type; unsigned long state; @@ -73,6 +72,7 @@ struct rfkill { struct delayed_work poll_work; struct work_struct uevent_work; struct work_struct sync_work; + char name[]; }; #define to_rfkill(d) container_of(d, struct rfkill, dev) @@ -876,14 +876,14 @@ struct rfkill * __must_check rfkill_alloc(const char *name, if (WARN_ON(type == RFKILL_TYPE_ALL || type >= NUM_RFKILL_TYPES)) return NULL; - rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL); + rfkill = kzalloc(sizeof(*rfkill) + strlen(name) + 1, GFP_KERNEL); if (!rfkill) return NULL; spin_lock_init(&rfkill->lock); INIT_LIST_HEAD(&rfkill->node); rfkill->type = type; - rfkill->name = name; + strcpy(rfkill->name, name); rfkill->ops = ops; rfkill->data = ops_data; diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 7ec667d..b5c2cf2 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -950,7 +950,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue, } lockdep_set_class(qdisc_lock(sch), &qdisc_tx_lock); if (!netif_is_multiqueue(dev)) - sch->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; + sch->flags |= TCQ_F_ONETXQUEUE; } sch->handle = handle; diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index e82a1ad..16bc83b 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -658,8 +658,10 @@ static void qdisc_rcu_free(struct rcu_head *head) { struct Qdisc *qdisc = container_of(head, struct Qdisc, rcu_head); - if (qdisc_is_percpu_stats(qdisc)) + if (qdisc_is_percpu_stats(qdisc)) { free_percpu(qdisc->cpu_bstats); + free_percpu(qdisc->cpu_qstats); + } kfree((char *) qdisc - qdisc->padded); } diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index acb45b8..ec52912 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -323,14 +323,13 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr, } } } - rcu_read_unlock(); - if (baddr) { fl6->saddr = baddr->v6.sin6_addr; fl6->fl6_sport = baddr->v6.sin6_port; final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final); dst = ip6_dst_lookup_flow(sk, fl6, final_p); } + rcu_read_unlock(); out: if (!IS_ERR_OR_NULL(dst)) { @@ -642,6 +641,7 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk, struct sock *newsk; struct ipv6_pinfo *newnp, *np = inet6_sk(sk); struct sctp6_sock *newsctp6sk; + struct ipv6_txoptions *opt; newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot, 0); if (!newsk) @@ -661,6 +661,13 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk, memcpy(newnp, np, sizeof(struct ipv6_pinfo)); + rcu_read_lock(); + opt = rcu_dereference(np->opt); + if (opt) + opt = ipv6_dup_options(newsk, opt); + RCU_INIT_POINTER(newnp->opt, opt); + rcu_read_unlock(); + /* Initialize sk's sport, dport, rcv_saddr and daddr for getsockname() * and getpeername(). */ diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 7e8f0a1..c0380cf 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -324,6 +324,7 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk) sctp_cname(SCTP_ST_CHUNK(chunk->chunk_hdr->type)) : "illegal chunk"); + sctp_chunk_hold(chunk); sctp_outq_tail_data(q, chunk); if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED) SCTP_INC_STATS(net, SCTP_MIB_OUTUNORDERCHUNKS); @@ -1251,6 +1252,7 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_chunk *chunk) */ sack_a_rwnd = ntohl(sack->a_rwnd); + asoc->peer.zero_window_announced = !sack_a_rwnd; outstanding = q->outstanding_bytes; if (outstanding < sack_a_rwnd) diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 763e06a..5d6a03f 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1652,7 +1652,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep, /* Set an expiration time for the cookie. */ cookie->c.expiration = ktime_add(asoc->cookie_life, - ktime_get()); + ktime_get_real()); /* Copy the peer's init packet. */ memcpy(&cookie->c.peer_init[0], init_chunk->chunk_hdr, @@ -1780,7 +1780,7 @@ no_hmac: if (sock_flag(ep->base.sk, SOCK_TIMESTAMP)) kt = skb_get_ktime(skb); else - kt = ktime_get(); + kt = ktime_get_real(); if (!asoc && ktime_before(bear_cookie->expiration, kt)) { /* diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 6f46aa1..22c2bf3 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -4829,7 +4829,8 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort( retval = SCTP_DISPOSITION_CONSUME; - sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); + if (abort) + sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); /* Even if we can't send the ABORT due to low memory delete the * TCB. This is a departure from our typical NOMEM handling. @@ -4966,7 +4967,8 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort( SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT)); retval = SCTP_DISPOSITION_CONSUME; - sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); + if (abort) + sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, SCTP_STATE(SCTP_STATE_CLOSED)); @@ -5412,7 +5414,8 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(struct net *net, SCTP_INC_STATS(net, SCTP_MIB_T3_RTX_EXPIREDS); if (asoc->overall_error_count >= asoc->max_retrans) { - if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) { + if (asoc->peer.zero_window_announced && + asoc->state == SCTP_STATE_SHUTDOWN_PENDING) { /* * We are here likely because the receiver had its rwnd * closed for a while and we have not been able to diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 03c8256..ef1d90f 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1301,8 +1301,9 @@ static int __sctp_setsockopt_connectx(struct sock *sk, int addrs_size, sctp_assoc_t *assoc_id) { - int err = 0; struct sockaddr *kaddrs; + gfp_t gfp = GFP_KERNEL; + int err = 0; pr_debug("%s: sk:%p addrs:%p addrs_size:%d\n", __func__, sk, addrs, addrs_size); @@ -1315,7 +1316,9 @@ static int __sctp_setsockopt_connectx(struct sock *sk, return -EFAULT; /* Alloc space for the address array in kernel memory. */ - kaddrs = kmalloc(addrs_size, GFP_KERNEL); + if (sk->sk_socket->file) + gfp = GFP_USER | __GFP_NOWARN; + kaddrs = kmalloc(addrs_size, gfp); if (unlikely(!kaddrs)) return -ENOMEM; @@ -1513,8 +1516,7 @@ static void sctp_close(struct sock *sk, long timeout) struct sctp_chunk *chunk; chunk = sctp_make_abort_user(asoc, NULL, 0); - if (chunk) - sctp_primitive_ABORT(net, asoc, chunk); + sctp_primitive_ABORT(net, asoc, chunk); } else sctp_primitive_SHUTDOWN(net, asoc, NULL); } @@ -1952,8 +1954,6 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len) /* Now send the (possibly) fragmented message. */ list_for_each_entry(chunk, &datamsg->chunks, frag_list) { - sctp_chunk_hold(chunk); - /* Do accounting for the write space. */ sctp_set_owner_w(chunk); @@ -1966,15 +1966,13 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len) * breaks. */ err = sctp_primitive_SEND(net, asoc, datamsg); + sctp_datamsg_put(datamsg); /* Did the lower layer accept the chunk? */ - if (err) { - sctp_datamsg_free(datamsg); + if (err) goto out_free; - } pr_debug("%s: we sent primitively\n", __func__); - sctp_datamsg_put(datamsg); err = msg_len; if (unlikely(wait_connect)) { @@ -5777,7 +5775,7 @@ static int sctp_getsockopt_assoc_ids(struct sock *sk, int len, len = sizeof(struct sctp_assoc_ids) + sizeof(sctp_assoc_t) * num; - ids = kmalloc(len, GFP_KERNEL); + ids = kmalloc(len, GFP_USER | __GFP_NOWARN); if (unlikely(!ids)) return -ENOMEM; @@ -7167,6 +7165,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk, newsk->sk_type = sk->sk_type; newsk->sk_bound_dev_if = sk->sk_bound_dev_if; newsk->sk_flags = sk->sk_flags; + newsk->sk_tsflags = sk->sk_tsflags; newsk->sk_no_check_tx = sk->sk_no_check_tx; newsk->sk_no_check_rx = sk->sk_no_check_rx; newsk->sk_reuse = sk->sk_reuse; @@ -7199,6 +7198,11 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk, newinet->mc_ttl = 1; newinet->mc_index = 0; newinet->mc_list = NULL; + + if (newsk->sk_flags & SK_FLAGS_TIMESTAMP) + net_enable_timestamp(); + + security_sk_clone(sk, newsk); } static inline void sctp_copy_descendant(struct sock *sk_to, diff --git a/net/socket.c b/net/socket.c index 456fadb..d730ef9 100644 --- a/net/socket.c +++ b/net/socket.c @@ -257,6 +257,7 @@ static struct inode *sock_alloc_inode(struct super_block *sb) } init_waitqueue_head(&wq->wait); wq->fasync_list = NULL; + wq->flags = 0; RCU_INIT_POINTER(ei->socket.wq, wq); ei->socket.state = SS_UNCONNECTED; @@ -1695,6 +1696,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size, msg.msg_name = addr ? (struct sockaddr *)&address : NULL; /* We assume all kernel code knows the size of sockaddr_storage */ msg.msg_namelen = 0; + msg.msg_iocb = NULL; if (sock->file->f_flags & O_NONBLOCK) flags |= MSG_DONTWAIT; err = sock_recvmsg(sock, &msg, iov_iter_count(&msg.msg_iter), flags); diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index 95f82d8..229956b 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -353,20 +353,12 @@ void xprt_complete_bc_request(struct rpc_rqst *req, uint32_t copied) { struct rpc_xprt *xprt = req->rq_xprt; struct svc_serv *bc_serv = xprt->bc_serv; - struct xdr_buf *rq_rcv_buf = &req->rq_rcv_buf; spin_lock(&xprt->bc_pa_lock); list_del(&req->rq_bc_pa_list); xprt_dec_alloc_count(xprt, 1); spin_unlock(&xprt->bc_pa_lock); - if (copied <= rq_rcv_buf->head[0].iov_len) { - rq_rcv_buf->head[0].iov_len = copied; - rq_rcv_buf->page_len = 0; - } else { - rq_rcv_buf->page_len = copied - rq_rcv_buf->head[0].iov_len; - } - req->rq_private_buf.len = copied; set_bit(RPC_BC_PA_IN_USE, &req->rq_bc_pa_state); diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index f14f24e..73ad57a 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -250,11 +250,11 @@ void rpc_destroy_wait_queue(struct rpc_wait_queue *queue) } EXPORT_SYMBOL_GPL(rpc_destroy_wait_queue); -static int rpc_wait_bit_killable(struct wait_bit_key *key) +static int rpc_wait_bit_killable(struct wait_bit_key *key, int mode) { - if (fatal_signal_pending(current)) - return -ERESTARTSYS; freezable_schedule_unsafe(); + if (signal_pending_state(mode, current)) + return -ERESTARTSYS; return 0; } diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 7fccf96..cc98528 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -1363,7 +1363,19 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req, memcpy(&rqstp->rq_addr, &req->rq_xprt->addr, rqstp->rq_addrlen); memcpy(&rqstp->rq_arg, &req->rq_rcv_buf, sizeof(rqstp->rq_arg)); memcpy(&rqstp->rq_res, &req->rq_snd_buf, sizeof(rqstp->rq_res)); + + /* Adjust the argument buffer length */ rqstp->rq_arg.len = req->rq_private_buf.len; + if (rqstp->rq_arg.len <= rqstp->rq_arg.head[0].iov_len) { + rqstp->rq_arg.head[0].iov_len = rqstp->rq_arg.len; + rqstp->rq_arg.page_len = 0; + } else if (rqstp->rq_arg.len <= rqstp->rq_arg.head[0].iov_len + + rqstp->rq_arg.page_len) + rqstp->rq_arg.page_len = rqstp->rq_arg.len - + rqstp->rq_arg.head[0].iov_len; + else + rqstp->rq_arg.len = rqstp->rq_arg.head[0].iov_len + + rqstp->rq_arg.page_len; /* reset result send buffer "put" position */ resv->iov_len = 0; diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 45aebd9..ef05cd9 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -953,32 +953,20 @@ fail: return NULL; } -static int unix_mknod(const char *sun_path, umode_t mode, struct path *res) +static int unix_mknod(struct dentry *dentry, struct path *path, umode_t mode, + struct path *res) { - struct dentry *dentry; - struct path path; - int err = 0; - /* - * Get the parent directory, calculate the hash for last - * component. - */ - dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0); - err = PTR_ERR(dentry); - if (IS_ERR(dentry)) - return err; + int err; - /* - * All right, let's create it. - */ - err = security_path_mknod(&path, dentry, mode, 0); + err = security_path_mknod(path, dentry, mode, 0); if (!err) { - err = vfs_mknod(d_inode(path.dentry), dentry, mode, 0); + err = vfs_mknod(d_inode(path->dentry), dentry, mode, 0); if (!err) { - res->mnt = mntget(path.mnt); + res->mnt = mntget(path->mnt); res->dentry = dget(dentry); } } - done_path_create(&path, dentry); + return err; } @@ -989,10 +977,12 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) struct unix_sock *u = unix_sk(sk); struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr; char *sun_path = sunaddr->sun_path; - int err; + int err, name_err; unsigned int hash; struct unix_address *addr; struct hlist_head *list; + struct path path; + struct dentry *dentry; err = -EINVAL; if (sunaddr->sun_family != AF_UNIX) @@ -1008,14 +998,34 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; addr_len = err; + name_err = 0; + dentry = NULL; + if (sun_path[0]) { + /* Get the parent directory, calculate the hash for last + * component. + */ + dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0); + + if (IS_ERR(dentry)) { + /* delay report until after 'already bound' check */ + name_err = PTR_ERR(dentry); + dentry = NULL; + } + } + err = mutex_lock_interruptible(&u->readlock); if (err) - goto out; + goto out_path; err = -EINVAL; if (u->addr) goto out_up; + if (name_err) { + err = name_err == -EEXIST ? -EADDRINUSE : name_err; + goto out_up; + } + err = -ENOMEM; addr = kmalloc(sizeof(*addr)+addr_len, GFP_KERNEL); if (!addr) @@ -1026,11 +1036,11 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) addr->hash = hash ^ sk->sk_type; atomic_set(&addr->refcnt, 1); - if (sun_path[0]) { - struct path path; + if (dentry) { + struct path u_path; umode_t mode = S_IFSOCK | (SOCK_INODE(sock)->i_mode & ~current_umask()); - err = unix_mknod(sun_path, mode, &path); + err = unix_mknod(dentry, &path, mode, &u_path); if (err) { if (err == -EEXIST) err = -EADDRINUSE; @@ -1038,9 +1048,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out_up; } addr->hash = UNIX_HASH_SIZE; - hash = d_backing_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE-1); + hash = d_backing_inode(dentry)->i_ino & (UNIX_HASH_SIZE - 1); spin_lock(&unix_table_lock); - u->path = path; + u->path = u_path; list = &unix_socket_table[hash]; } else { spin_lock(&unix_table_lock); @@ -1063,6 +1073,10 @@ out_unlock: spin_unlock(&unix_table_lock); out_up: mutex_unlock(&u->readlock); +out_path: + if (dentry) + done_path_create(&path, dentry); + out: return err; } @@ -2256,14 +2270,7 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state) /* Lock the socket to prevent queue disordering * while sleeps in memcpy_tomsg */ - err = mutex_lock_interruptible(&u->readlock); - if (unlikely(err)) { - /* recvmsg() in non blocking mode is supposed to return -EAGAIN - * sk_rcvtimeo is not honored by mutex_lock_interruptible() - */ - err = noblock ? -EAGAIN : -ERESTARTSYS; - goto out; - } + mutex_lock(&u->readlock); if (flags & MSG_PEEK) skip = sk_peek_offset(sk, flags); @@ -2307,12 +2314,12 @@ again: timeo = unix_stream_data_wait(sk, timeo, last, last_len); - if (signal_pending(current) || - mutex_lock_interruptible(&u->readlock)) { + if (signal_pending(current)) { err = sock_intr_errno(timeo); goto out; } + mutex_lock(&u->readlock); continue; unlock: unix_state_unlock(sk); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c71e274..75b0d23 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -7941,8 +7941,10 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { if (!(rdev->wiphy.features & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) || - !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) + !(rdev->wiphy.features & NL80211_FEATURE_QUIET)) { + kzfree(connkeys); return -EINVAL; + } connect.flags |= ASSOC_REQ_USE_RRM; } @@ -9503,6 +9505,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) if (new_triggers.tcp && new_triggers.tcp->sock) sock_release(new_triggers.tcp->sock); kfree(new_triggers.tcp); + kfree(new_triggers.nd_config); return err; } #endif diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 2e8d6f3..06d050d 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -3029,6 +3029,7 @@ int set_regdom(const struct ieee80211_regdomain *rd, break; default: WARN(1, "invalid initiator %d\n", lr->initiator); + kfree(rd); return -EINVAL; } @@ -3221,8 +3222,10 @@ int __init regulatory_init(void) /* We always try to get an update for the static regdomain */ err = regulatory_hint_core(cfg80211_world_regdom->alpha2); if (err) { - if (err == -ENOMEM) + if (err == -ENOMEM) { + platform_device_unregister(reg_pdev); return err; + } /* * N.B. kobject_uevent_env() can fail mainly for when we're out * memory which is handled and propagated appropriately above diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 09bfcba..b5e665b 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -303,6 +303,14 @@ struct xfrm_policy *xfrm_policy_alloc(struct net *net, gfp_t gfp) } EXPORT_SYMBOL(xfrm_policy_alloc); +static void xfrm_policy_destroy_rcu(struct rcu_head *head) +{ + struct xfrm_policy *policy = container_of(head, struct xfrm_policy, rcu); + + security_xfrm_policy_free(policy->security); + kfree(policy); +} + /* Destroy xfrm_policy: descendant resources must be released to this moment. */ void xfrm_policy_destroy(struct xfrm_policy *policy) @@ -312,8 +320,7 @@ void xfrm_policy_destroy(struct xfrm_policy *policy) if (del_timer(&policy->timer) || del_timer(&policy->polq.hold_timer)) BUG(); - security_xfrm_policy_free(policy->security); - kfree(policy); + call_rcu(&policy->rcu, xfrm_policy_destroy_rcu); } EXPORT_SYMBOL(xfrm_policy_destroy); @@ -1214,8 +1221,10 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir, struct xfrm_policy *pol; struct net *net = sock_net(sk); + rcu_read_lock(); read_lock_bh(&net->xfrm.xfrm_policy_lock); - if ((pol = sk->sk_policy[dir]) != NULL) { + pol = rcu_dereference(sk->sk_policy[dir]); + if (pol != NULL) { bool match = xfrm_selector_match(&pol->selector, fl, sk->sk_family); int err = 0; @@ -1239,6 +1248,7 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir, } out: read_unlock_bh(&net->xfrm.xfrm_policy_lock); + rcu_read_unlock(); return pol; } @@ -1307,13 +1317,14 @@ int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol) #endif write_lock_bh(&net->xfrm.xfrm_policy_lock); - old_pol = sk->sk_policy[dir]; - sk->sk_policy[dir] = pol; + old_pol = rcu_dereference_protected(sk->sk_policy[dir], + lockdep_is_held(&net->xfrm.xfrm_policy_lock)); if (pol) { pol->curlft.add_time = get_seconds(); pol->index = xfrm_gen_index(net, XFRM_POLICY_MAX+dir, 0); xfrm_sk_policy_link(pol, dir); } + rcu_assign_pointer(sk->sk_policy[dir], pol); if (old_pol) { if (pol) xfrm_policy_requeue(old_pol, pol); @@ -1361,17 +1372,26 @@ static struct xfrm_policy *clone_policy(const struct xfrm_policy *old, int dir) return newp; } -int __xfrm_sk_clone_policy(struct sock *sk) +int __xfrm_sk_clone_policy(struct sock *sk, const struct sock *osk) { - struct xfrm_policy *p0 = sk->sk_policy[0], - *p1 = sk->sk_policy[1]; + const struct xfrm_policy *p; + struct xfrm_policy *np; + int i, ret = 0; - sk->sk_policy[0] = sk->sk_policy[1] = NULL; - if (p0 && (sk->sk_policy[0] = clone_policy(p0, 0)) == NULL) - return -ENOMEM; - if (p1 && (sk->sk_policy[1] = clone_policy(p1, 1)) == NULL) - return -ENOMEM; - return 0; + rcu_read_lock(); + for (i = 0; i < 2; i++) { + p = rcu_dereference(osk->sk_policy[i]); + if (p) { + np = clone_policy(p, i); + if (unlikely(!np)) { + ret = -ENOMEM; + break; + } + rcu_assign_pointer(sk->sk_policy[i], np); + } + } + rcu_read_unlock(); + return ret; } static int @@ -2198,6 +2218,7 @@ struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig, xdst = NULL; route = NULL; + sk = sk_const_to_full_sk(sk); if (sk && sk->sk_policy[XFRM_POLICY_OUT]) { num_pols = 1; pols[0] = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl); @@ -2477,6 +2498,7 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb, } pol = NULL; + sk = sk_to_full_sk(sk); if (sk && sk->sk_policy[dir]) { pol = xfrm_sk_policy_lookup(sk, dir, &fl); if (IS_ERR(pol)) { @@ -2804,7 +2826,6 @@ static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo) { - struct net *net; int err = 0; if (unlikely(afinfo == NULL)) return -EINVAL; @@ -2835,26 +2856,6 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo) } spin_unlock(&xfrm_policy_afinfo_lock); - rtnl_lock(); - for_each_net(net) { - struct dst_ops *xfrm_dst_ops; - - switch (afinfo->family) { - case AF_INET: - xfrm_dst_ops = &net->xfrm.xfrm4_dst_ops; - break; -#if IS_ENABLED(CONFIG_IPV6) - case AF_INET6: - xfrm_dst_ops = &net->xfrm.xfrm6_dst_ops; - break; -#endif - default: - BUG(); - } - *xfrm_dst_ops = *afinfo->dst_ops; - } - rtnl_unlock(); - return err; } EXPORT_SYMBOL(xfrm_policy_register_afinfo); @@ -2890,22 +2891,6 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo) } EXPORT_SYMBOL(xfrm_policy_unregister_afinfo); -static void __net_init xfrm_dst_ops_init(struct net *net) -{ - struct xfrm_policy_afinfo *afinfo; - - rcu_read_lock(); - afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET]); - if (afinfo) - net->xfrm.xfrm4_dst_ops = *afinfo->dst_ops; -#if IS_ENABLED(CONFIG_IPV6) - afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET6]); - if (afinfo) - net->xfrm.xfrm6_dst_ops = *afinfo->dst_ops; -#endif - rcu_read_unlock(); -} - static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); @@ -3054,7 +3039,6 @@ static int __net_init xfrm_net_init(struct net *net) rv = xfrm_policy_init(net); if (rv < 0) goto out_policy; - xfrm_dst_ops_init(net); rv = xfrm_sysctl_init(net); if (rv < 0) goto out_sysctl; diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index 1a10d8a..dacf71a 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -62,7 +62,7 @@ vmlinux_link() -Wl,--start-group \ ${KBUILD_VMLINUX_MAIN} \ -Wl,--end-group \ - -lutil ${1} + -lutil -lrt ${1} rm -f linux fi } diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c index 698768b..e1675927 100644 --- a/scripts/recordmcount.c +++ b/scripts/recordmcount.c @@ -48,12 +48,17 @@ static int fd_map; /* File descriptor for file being modified. */ static int mmap_failed; /* Boolean flag. */ -static void *ehdr_curr; /* current ElfXX_Ehdr * for resource cleanup */ static char gpfx; /* prefix for global symbol name (sometimes '_') */ static struct stat sb; /* Remember .st_size, etc. */ static jmp_buf jmpenv; /* setjmp/longjmp per-file error escape */ static const char *altmcount; /* alternate mcount symbol name */ static int warn_on_notrace_sect; /* warn when section has mcount not being recorded */ +static void *file_map; /* pointer of the mapped file */ +static void *file_end; /* pointer to the end of the mapped file */ +static int file_updated; /* flag to state file was changed */ +static void *file_ptr; /* current file pointer location */ +static void *file_append; /* added to the end of the file */ +static size_t file_append_size; /* how much is added to end of file */ /* setjmp() return values */ enum { @@ -67,10 +72,14 @@ static void cleanup(void) { if (!mmap_failed) - munmap(ehdr_curr, sb.st_size); + munmap(file_map, sb.st_size); else - free(ehdr_curr); - close(fd_map); + free(file_map); + file_map = NULL; + free(file_append); + file_append = NULL; + file_append_size = 0; + file_updated = 0; } static void __attribute__((noreturn)) @@ -92,12 +101,22 @@ succeed_file(void) static off_t ulseek(int const fd, off_t const offset, int const whence) { - off_t const w = lseek(fd, offset, whence); - if (w == (off_t)-1) { - perror("lseek"); + switch (whence) { + case SEEK_SET: + file_ptr = file_map + offset; + break; + case SEEK_CUR: + file_ptr += offset; + break; + case SEEK_END: + file_ptr = file_map + (sb.st_size - offset); + break; + } + if (file_ptr < file_map) { + fprintf(stderr, "lseek: seek before file\n"); fail_file(); } - return w; + return file_ptr - file_map; } static size_t @@ -114,12 +133,38 @@ uread(int const fd, void *const buf, size_t const count) static size_t uwrite(int const fd, void const *const buf, size_t const count) { - size_t const n = write(fd, buf, count); - if (n != count) { - perror("write"); - fail_file(); + size_t cnt = count; + off_t idx = 0; + + file_updated = 1; + + if (file_ptr + count >= file_end) { + off_t aoffset = (file_ptr + count) - file_end; + + if (aoffset > file_append_size) { + file_append = realloc(file_append, aoffset); + file_append_size = aoffset; + } + if (!file_append) { + perror("write"); + fail_file(); + } + if (file_ptr < file_end) { + cnt = file_end - file_ptr; + } else { + cnt = 0; + idx = aoffset - count; + } } - return n; + + if (cnt) + memcpy(file_ptr, buf, cnt); + + if (cnt < count) + memcpy(file_append + idx, buf + cnt, count - cnt); + + file_ptr += count; + return count; } static void * @@ -192,9 +237,7 @@ static int make_nop_arm64(void *map, size_t const offset) */ static void *mmap_file(char const *fname) { - void *addr; - - fd_map = open(fname, O_RDWR); + fd_map = open(fname, O_RDONLY); if (fd_map < 0 || fstat(fd_map, &sb) < 0) { perror(fname); fail_file(); @@ -203,15 +246,58 @@ static void *mmap_file(char const *fname) fprintf(stderr, "not a regular file: %s\n", fname); fail_file(); } - addr = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE, - fd_map, 0); + file_map = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE, + fd_map, 0); mmap_failed = 0; - if (addr == MAP_FAILED) { + if (file_map == MAP_FAILED) { mmap_failed = 1; - addr = umalloc(sb.st_size); - uread(fd_map, addr, sb.st_size); + file_map = umalloc(sb.st_size); + uread(fd_map, file_map, sb.st_size); + } + close(fd_map); + + file_end = file_map + sb.st_size; + + return file_map; +} + +static void write_file(const char *fname) +{ + char tmp_file[strlen(fname) + 4]; + size_t n; + + if (!file_updated) + return; + + sprintf(tmp_file, "%s.rc", fname); + + /* + * After reading the entire file into memory, delete it + * and write it back, to prevent weird side effects of modifying + * an object file in place. + */ + fd_map = open(tmp_file, O_WRONLY | O_TRUNC | O_CREAT, sb.st_mode); + if (fd_map < 0) { + perror(fname); + fail_file(); + } + n = write(fd_map, file_map, sb.st_size); + if (n != sb.st_size) { + perror("write"); + fail_file(); + } + if (file_append_size) { + n = write(fd_map, file_append, file_append_size); + if (n != file_append_size) { + perror("write"); + fail_file(); + } + } + close(fd_map); + if (rename(tmp_file, fname) < 0) { + perror(fname); + fail_file(); } - return addr; } /* w8rev, w8nat, ...: Handle endianness. */ @@ -318,7 +404,6 @@ do_file(char const *const fname) Elf32_Ehdr *const ehdr = mmap_file(fname); unsigned int reltype = 0; - ehdr_curr = ehdr; w = w4nat; w2 = w2nat; w8 = w8nat; @@ -441,6 +526,7 @@ do_file(char const *const fname) } } /* end switch */ + write_file(fname); cleanup(); } @@ -493,11 +579,14 @@ main(int argc, char *argv[]) case SJ_SETJMP: /* normal sequence */ /* Avoid problems if early cleanup() */ fd_map = -1; - ehdr_curr = NULL; mmap_failed = 1; + file_map = NULL; + file_ptr = NULL; + file_updated = 0; do_file(file); break; case SJ_FAIL: /* error in do_file or below */ + fprintf(stderr, "%s: failed\n", file); ++n_error; break; case SJ_SUCCEED: /* premature success */ diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index fb111ea..1c3872a 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -751,16 +751,16 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen) /* the key is probably readable - now try to read it */ can_read_key: - ret = key_validate(key); - if (ret == 0) { - ret = -EOPNOTSUPP; - if (key->type->read) { - /* read the data with the semaphore held (since we - * might sleep) */ - down_read(&key->sem); + ret = -EOPNOTSUPP; + if (key->type->read) { + /* Read the data with the semaphore held (since we might sleep) + * to protect against the key being updated or revoked. + */ + down_read(&key->sem); + ret = key_validate(key); + if (ret == 0) ret = key->type->read(key, buffer, buflen); - up_read(&key->sem); - } + up_read(&key->sem); } error2: diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 963f824..3b36582 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -355,6 +355,8 @@ enum { ((pci)->device == 0x0d0c) || \ ((pci)->device == 0x160c)) +#define IS_BROXTON(pci) ((pci)->device == 0x5a98) + static char *driver_short_names[] = { [AZX_DRIVER_ICH] = "HDA Intel", [AZX_DRIVER_PCH] = "HDA Intel PCH", @@ -506,15 +508,36 @@ static void azx_init_pci(struct azx *chip) } } +/* + * In BXT-P A0, HD-Audio DMA requests is later than expected, + * and makes an audio stream sensitive to system latencies when + * 24/32 bits are playing. + * Adjusting threshold of DMA fifo to force the DMA request + * sooner to improve latency tolerance at the expense of power. + */ +static void bxt_reduce_dma_latency(struct azx *chip) +{ + u32 val; + + val = azx_readl(chip, SKL_EM4L); + val &= (0x3 << 20); + azx_writel(chip, SKL_EM4L, val); +} + static void hda_intel_init_chip(struct azx *chip, bool full_reset) { struct hdac_bus *bus = azx_bus(chip); + struct pci_dev *pci = chip->pci; if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) snd_hdac_set_codec_wakeup(bus, true); azx_init_chip(chip, full_reset); if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) snd_hdac_set_codec_wakeup(bus, false); + + /* reduce dma latency to avoid noise */ + if (IS_BROXTON(pci)) + bxt_reduce_dma_latency(chip); } /* calculate runtime delay from LPIB */ @@ -931,6 +954,36 @@ static int azx_resume(struct device *dev) } #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */ +#ifdef CONFIG_PM_SLEEP +/* put codec down to D3 at hibernation for Intel SKL+; + * otherwise BIOS may still access the codec and screw up the driver + */ +#define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170) +#define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70) +#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) +#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) + +static int azx_freeze_noirq(struct device *dev) +{ + struct pci_dev *pci = to_pci_dev(dev); + + if (IS_SKL_PLUS(pci)) + pci_set_power_state(pci, PCI_D3hot); + + return 0; +} + +static int azx_thaw_noirq(struct device *dev) +{ + struct pci_dev *pci = to_pci_dev(dev); + + if (IS_SKL_PLUS(pci)) + pci_set_power_state(pci, PCI_D0); + + return 0; +} +#endif /* CONFIG_PM_SLEEP */ + #ifdef CONFIG_PM static int azx_runtime_suspend(struct device *dev) { @@ -1040,6 +1093,10 @@ static int azx_runtime_idle(struct device *dev) static const struct dev_pm_ops azx_pm = { SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume) +#ifdef CONFIG_PM_SLEEP + .freeze_noirq = azx_freeze_noirq, + .thaw_noirq = azx_thaw_noirq, +#endif SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle) }; diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index f8a12ca4..4ef2259 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -778,7 +778,8 @@ static const struct hda_pintbl alienware_pincfgs[] = { }; static const struct snd_pci_quirk ca0132_quirks[] = { - SND_PCI_QUIRK(0x1028, 0x0685, "Alienware 15", QUIRK_ALIENWARE), + SND_PCI_QUIRK(0x1028, 0x0685, "Alienware 15 2015", QUIRK_ALIENWARE), + SND_PCI_QUIRK(0x1028, 0x0688, "Alienware 17 2015", QUIRK_ALIENWARE), {} }; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 9bedf7c..3a89d82 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -67,6 +67,10 @@ enum { ALC_HEADSET_TYPE_OMTP, }; +enum { + ALC_KEY_MICMUTE_INDEX, +}; + struct alc_customize_define { unsigned int sku_cfg; unsigned char port_connectivity; @@ -111,6 +115,7 @@ struct alc_spec { void (*power_hook)(struct hda_codec *codec); #endif void (*shutup)(struct hda_codec *codec); + void (*reboot_notify)(struct hda_codec *codec); int init_amp; int codec_variant; /* flag for other variants */ @@ -122,6 +127,7 @@ struct alc_spec { unsigned int pll_coef_idx, pll_coef_bit; unsigned int coef0; struct input_dev *kb_dev; + u8 alc_mute_keycode_map[1]; }; /* @@ -773,6 +779,25 @@ static inline void alc_shutup(struct hda_codec *codec) snd_hda_shutup_pins(codec); } +static void alc_reboot_notify(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + + if (spec && spec->reboot_notify) + spec->reboot_notify(codec); + else + alc_shutup(codec); +} + +/* power down codec to D3 at reboot/shutdown; set as reboot_notify ops */ +static void alc_d3_at_reboot(struct hda_codec *codec) +{ + snd_hda_codec_set_power_to_all(codec, codec->core.afg, AC_PWRST_D3); + snd_hda_codec_write(codec, codec->core.afg, 0, + AC_VERB_SET_POWER_STATE, AC_PWRST_D3); + msleep(10); +} + #define alc_free snd_hda_gen_free #ifdef CONFIG_PM @@ -818,7 +843,7 @@ static const struct hda_codec_ops alc_patch_ops = { .suspend = alc_suspend, .check_power_status = snd_hda_gen_check_power_status, #endif - .reboot_notify = alc_shutup, + .reboot_notify = alc_reboot_notify, }; @@ -1755,6 +1780,7 @@ enum { ALC889_FIXUP_MBA11_VREF, ALC889_FIXUP_MBA21_VREF, ALC889_FIXUP_MP11_VREF, + ALC889_FIXUP_MP41_VREF, ALC882_FIXUP_INV_DMIC, ALC882_FIXUP_NO_PRIMARY_HP, ALC887_FIXUP_ASUS_BASS, @@ -1843,7 +1869,7 @@ static void alc889_fixup_mbp_vref(struct hda_codec *codec, const struct hda_fixup *fix, int action) { struct alc_spec *spec = codec->spec; - static hda_nid_t nids[2] = { 0x14, 0x15 }; + static hda_nid_t nids[3] = { 0x14, 0x15, 0x19 }; int i; if (action != HDA_FIXUP_ACT_INIT) @@ -2133,6 +2159,12 @@ static const struct hda_fixup alc882_fixups[] = { .chained = true, .chain_id = ALC885_FIXUP_MACPRO_GPIO, }, + [ALC889_FIXUP_MP41_VREF] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc889_fixup_mbp_vref, + .chained = true, + .chain_id = ALC885_FIXUP_MACPRO_GPIO, + }, [ALC882_FIXUP_INV_DMIC] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_inv_dmic, @@ -2215,7 +2247,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x106b, 0x3f00, "Macbook 5,1", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4000, "MacbookPro 5,1", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4100, "Macmini 3,1", ALC889_FIXUP_IMAC91_VREF), - SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 5,1", ALC885_FIXUP_MACPRO_GPIO), + SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 4,1/5,1", ALC889_FIXUP_MP41_VREF), SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum", ALC889_FIXUP_IMAC91_VREF), @@ -3435,12 +3467,43 @@ static void gpio2_mic_hotkey_event(struct hda_codec *codec, /* GPIO2 just toggles on a keypress/keyrelease cycle. Therefore send both key on and key off event for every interrupt. */ - input_report_key(spec->kb_dev, KEY_MICMUTE, 1); + input_report_key(spec->kb_dev, spec->alc_mute_keycode_map[ALC_KEY_MICMUTE_INDEX], 1); input_sync(spec->kb_dev); - input_report_key(spec->kb_dev, KEY_MICMUTE, 0); + input_report_key(spec->kb_dev, spec->alc_mute_keycode_map[ALC_KEY_MICMUTE_INDEX], 0); input_sync(spec->kb_dev); } +static int alc_register_micmute_input_device(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + int i; + + spec->kb_dev = input_allocate_device(); + if (!spec->kb_dev) { + codec_err(codec, "Out of memory (input_allocate_device)\n"); + return -ENOMEM; + } + + spec->alc_mute_keycode_map[ALC_KEY_MICMUTE_INDEX] = KEY_MICMUTE; + + spec->kb_dev->name = "Microphone Mute Button"; + spec->kb_dev->evbit[0] = BIT_MASK(EV_KEY); + spec->kb_dev->keycodesize = sizeof(spec->alc_mute_keycode_map[0]); + spec->kb_dev->keycodemax = ARRAY_SIZE(spec->alc_mute_keycode_map); + spec->kb_dev->keycode = spec->alc_mute_keycode_map; + for (i = 0; i < ARRAY_SIZE(spec->alc_mute_keycode_map); i++) + set_bit(spec->alc_mute_keycode_map[i], spec->kb_dev->keybit); + + if (input_register_device(spec->kb_dev)) { + codec_err(codec, "input_register_device failed\n"); + input_free_device(spec->kb_dev); + spec->kb_dev = NULL; + return -ENOMEM; + } + + return 0; +} + static void alc280_fixup_hp_gpio2_mic_hotkey(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -3458,20 +3521,8 @@ static void alc280_fixup_hp_gpio2_mic_hotkey(struct hda_codec *codec, struct alc_spec *spec = codec->spec; if (action == HDA_FIXUP_ACT_PRE_PROBE) { - spec->kb_dev = input_allocate_device(); - if (!spec->kb_dev) { - codec_err(codec, "Out of memory (input_allocate_device)\n"); - return; - } - spec->kb_dev->name = "Microphone Mute Button"; - spec->kb_dev->evbit[0] = BIT_MASK(EV_KEY); - spec->kb_dev->keybit[BIT_WORD(KEY_MICMUTE)] = BIT_MASK(KEY_MICMUTE); - if (input_register_device(spec->kb_dev)) { - codec_err(codec, "input_register_device failed\n"); - input_free_device(spec->kb_dev); - spec->kb_dev = NULL; + if (alc_register_micmute_input_device(codec) != 0) return; - } snd_hda_add_verbs(codec, gpio_init); snd_hda_codec_write_cache(codec, codec->core.afg, 0, @@ -3501,6 +3552,47 @@ static void alc280_fixup_hp_gpio2_mic_hotkey(struct hda_codec *codec, } } +static void alc233_fixup_lenovo_line2_mic_hotkey(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + /* Line2 = mic mute hotkey + GPIO2 = mic mute LED */ + static const struct hda_verb gpio_init[] = { + { 0x01, AC_VERB_SET_GPIO_MASK, 0x04 }, + { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x04 }, + {} + }; + + struct alc_spec *spec = codec->spec; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + if (alc_register_micmute_input_device(codec) != 0) + return; + + snd_hda_add_verbs(codec, gpio_init); + snd_hda_jack_detect_enable_callback(codec, 0x1b, + gpio2_mic_hotkey_event); + + spec->gen.cap_sync_hook = alc_fixup_gpio_mic_mute_hook; + spec->gpio_led = 0; + spec->mute_led_polarity = 0; + spec->gpio_mic_led_mask = 0x04; + return; + } + + if (!spec->kb_dev) + return; + + switch (action) { + case HDA_FIXUP_ACT_PROBE: + spec->init_amp = ALC_INIT_DEFAULT; + break; + case HDA_FIXUP_ACT_FREE: + input_unregister_device(spec->kb_dev); + spec->kb_dev = NULL; + } +} + static void alc269_fixup_hp_line1_mic1_led(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -4198,6 +4290,8 @@ static void alc_fixup_tpt440_dock(struct hda_codec *codec, struct alc_spec *spec = codec->spec; if (action == HDA_FIXUP_ACT_PRE_PROBE) { + spec->shutup = alc_no_shutup; /* reduce click noise */ + spec->reboot_notify = alc_d3_at_reboot; /* reduce noise */ spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP; codec->power_save_node = 0; /* avoid click noises */ snd_hda_apply_pincfgs(codec, pincfgs); @@ -4578,6 +4672,7 @@ enum { ALC255_FIXUP_HEADSET_MODE_NO_HP_MIC, ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, ALC292_FIXUP_TPT440_DOCK, + ALC292_FIXUP_TPT440, ALC283_FIXUP_BXBT2807_MIC, ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED, ALC282_FIXUP_ASPIRE_V5_PINS, @@ -4593,9 +4688,12 @@ enum { ALC288_FIXUP_DISABLE_AAMIX, ALC292_FIXUP_DELL_E7X, ALC292_FIXUP_DISABLE_AAMIX, + ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK, ALC298_FIXUP_DELL1_MIC_NO_PRESENCE, ALC275_FIXUP_DELL_XPS, ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE, + ALC293_FIXUP_LENOVO_SPK_NOISE, + ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY, }; static const struct hda_fixup alc269_fixups[] = { @@ -5050,6 +5148,12 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST }, + [ALC292_FIXUP_TPT440] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_disable_aamix, + .chained = true, + .chain_id = ALC292_FIXUP_TPT440_DOCK, + }, [ALC283_FIXUP_BXBT2807_MIC] = { .type = HDA_FIXUP_PINS, .v.pins = (const struct hda_pintbl[]) { @@ -5149,6 +5253,12 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_DELL2_MIC_NO_PRESENCE }, + [ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_disable_aamix, + .chained = true, + .chain_id = ALC293_FIXUP_DELL1_MIC_NO_PRESENCE + }, [ALC292_FIXUP_DELL_E7X] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_dell_xps13, @@ -5187,6 +5297,16 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE }, + [ALC293_FIXUP_LENOVO_SPK_NOISE] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_disable_aamix, + .chained = true, + .chain_id = ALC269_FIXUP_THINKPAD_ACPI + }, + [ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc233_fixup_lenovo_line2_mic_hotkey, + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -5221,11 +5341,11 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x06c7, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x06d9, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x06da, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), - SND_PCI_QUIRK(0x1028, 0x06db, "Dell", ALC292_FIXUP_DISABLE_AAMIX), - SND_PCI_QUIRK(0x1028, 0x06dd, "Dell", ALC292_FIXUP_DISABLE_AAMIX), - SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC292_FIXUP_DISABLE_AAMIX), - SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC292_FIXUP_DISABLE_AAMIX), - SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC292_FIXUP_DISABLE_AAMIX), + SND_PCI_QUIRK(0x1028, 0x06db, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK), + SND_PCI_QUIRK(0x1028, 0x06dd, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK), + SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK), + SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK), + SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK), SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE), SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), @@ -5325,15 +5445,18 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x21fb, "Thinkpad T430s", ALC269_FIXUP_LENOVO_DOCK), SND_PCI_QUIRK(0x17aa, 0x2203, "Thinkpad X230 Tablet", ALC269_FIXUP_LENOVO_DOCK), SND_PCI_QUIRK(0x17aa, 0x2208, "Thinkpad T431s", ALC269_FIXUP_LENOVO_DOCK), - SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440_DOCK), + SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440), SND_PCI_QUIRK(0x17aa, 0x220e, "Thinkpad T440p", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2210, "Thinkpad T540p", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2211, "Thinkpad W541", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad T440", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad X240", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), + SND_PCI_QUIRK(0x17aa, 0x2218, "Thinkpad X1 Carbon 2nd", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2223, "ThinkPad T550", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK), + SND_PCI_QUIRK(0x17aa, 0x2233, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE), + SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY), SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC), SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP), SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), @@ -5343,6 +5466,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x5034, "Thinkpad T450", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x5036, "Thinkpad T450s", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x503c, "Thinkpad L450", ALC292_FIXUP_TPT440_DOCK), + SND_PCI_QUIRK(0x17aa, 0x504b, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE), SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K), SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD), @@ -5423,6 +5547,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC283_FIXUP_CHROME_BOOK, .name = "alc283-dac-wcaps"}, {.id = ALC283_FIXUP_SENSE_COMBO_JACK, .name = "alc283-sense-combo"}, {.id = ALC292_FIXUP_TPT440_DOCK, .name = "tpt440-dock"}, + {.id = ALC292_FIXUP_TPT440, .name = "tpt440"}, {} }; @@ -6409,6 +6534,7 @@ static const struct hda_fixup alc662_fixups[] = { static const struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x1019, 0x9087, "ECS", ALC662_FIXUP_ASUS_MODE2), SND_PCI_QUIRK(0x1025, 0x022f, "Acer Aspire One", ALC662_FIXUP_INV_DMIC), + SND_PCI_QUIRK(0x1025, 0x0241, "Packard Bell DOTS", ALC662_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE), SND_PCI_QUIRK(0x1025, 0x031c, "Gateway NV79", ALC662_FIXUP_SKU_IGNORE), SND_PCI_QUIRK(0x1025, 0x0349, "eMachines eM250", ALC662_FIXUP_INV_DMIC), diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index 714df90..41c31db 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -741,10 +741,11 @@ snd_rme96_playback_setrate(struct rme96 *rme96, { /* change to/from double-speed: reset the DAC (if available) */ snd_rme96_reset_dac(rme96); + return 1; /* need to restore volume */ } else { writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER); + return 0; } - return 0; } static int @@ -980,6 +981,7 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream, struct rme96 *rme96 = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; int err, rate, dummy; + bool apply_dac_volume = false; runtime->dma_area = (void __force *)(rme96->iobase + RME96_IO_PLAY_BUFFER); @@ -993,24 +995,26 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream, { /* slave clock */ if ((int)params_rate(params) != rate) { - spin_unlock_irq(&rme96->lock); - return -EIO; - } - } else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) { - spin_unlock_irq(&rme96->lock); - return err; - } - if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) { - spin_unlock_irq(&rme96->lock); - return err; + err = -EIO; + goto error; + } + } else { + err = snd_rme96_playback_setrate(rme96, params_rate(params)); + if (err < 0) + goto error; + apply_dac_volume = err > 0; /* need to restore volume later? */ } + + err = snd_rme96_playback_setformat(rme96, params_format(params)); + if (err < 0) + goto error; snd_rme96_setframelog(rme96, params_channels(params), 1); if (rme96->capture_periodsize != 0) { if (params_period_size(params) << rme96->playback_frlog != rme96->capture_periodsize) { - spin_unlock_irq(&rme96->lock); - return -EBUSY; + err = -EBUSY; + goto error; } } rme96->playback_periodsize = @@ -1021,9 +1025,16 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream, rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP); writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER); } + + err = 0; + error: spin_unlock_irq(&rme96->lock); - - return 0; + if (apply_dac_volume) { + usleep_range(3000, 10000); + snd_rme96_apply_dac_volume(rme96); + } + + return err; } static int diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index b3ea24d..93b4008 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1537,7 +1537,7 @@ static int arizona_hw_params(struct snd_pcm_substream *substream, bool reconfig; unsigned int aif_tx_state, aif_rx_state; - if (params_rate(params) % 8000) + if (params_rate(params) % 4000) rates = &arizona_44k1_bclk_rates[0]; else rates = &arizona_48k_bclk_rates[0]; diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c index 84f5eb0..afa6c5d 100644 --- a/sound/soc/codecs/es8328.c +++ b/sound/soc/codecs/es8328.c @@ -85,7 +85,15 @@ static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 300, 0); static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0); static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 300, 0); -static const int deemph_settings[] = { 0, 32000, 44100, 48000 }; +static const struct { + int rate; + unsigned int val; +} deemph_settings[] = { + { 0, ES8328_DACCONTROL6_DEEMPH_OFF }, + { 32000, ES8328_DACCONTROL6_DEEMPH_32k }, + { 44100, ES8328_DACCONTROL6_DEEMPH_44_1k }, + { 48000, ES8328_DACCONTROL6_DEEMPH_48k }, +}; static int es8328_set_deemph(struct snd_soc_codec *codec) { @@ -97,21 +105,22 @@ static int es8328_set_deemph(struct snd_soc_codec *codec) * rate. */ if (es8328->deemph) { - best = 1; - for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) { - if (abs(deemph_settings[i] - es8328->playback_fs) < - abs(deemph_settings[best] - es8328->playback_fs)) + best = 0; + for (i = 1; i < ARRAY_SIZE(deemph_settings); i++) { + if (abs(deemph_settings[i].rate - es8328->playback_fs) < + abs(deemph_settings[best].rate - es8328->playback_fs)) best = i; } - val = best << 1; + val = deemph_settings[best].val; } else { - val = 0; + val = ES8328_DACCONTROL6_DEEMPH_OFF; } dev_dbg(codec->dev, "Set deemphasis %d\n", val); - return snd_soc_update_bits(codec, ES8328_DACCONTROL6, 0x6, val); + return snd_soc_update_bits(codec, ES8328_DACCONTROL6, + ES8328_DACCONTROL6_DEEMPH_MASK, val); } static int es8328_get_deemph(struct snd_kcontrol *kcontrol, diff --git a/sound/soc/codecs/es8328.h b/sound/soc/codecs/es8328.h index cb36afe..156c748 100644 --- a/sound/soc/codecs/es8328.h +++ b/sound/soc/codecs/es8328.h @@ -153,6 +153,7 @@ int es8328_probe(struct device *dev, struct regmap *regmap); #define ES8328_DACCONTROL6_CLICKFREE (1 << 3) #define ES8328_DACCONTROL6_DAC_INVR (1 << 4) #define ES8328_DACCONTROL6_DAC_INVL (1 << 5) +#define ES8328_DACCONTROL6_DEEMPH_MASK (3 << 6) #define ES8328_DACCONTROL6_DEEMPH_OFF (0 << 6) #define ES8328_DACCONTROL6_DEEMPH_32k (1 << 6) #define ES8328_DACCONTROL6_DEEMPH_44_1k (2 << 6) diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index ef76940..3e3c7f6 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -1667,9 +1667,13 @@ static int rt5645_spk_event(struct snd_soc_dapm_widget *w, RT5645_PWR_CLS_D_L, RT5645_PWR_CLS_D | RT5645_PWR_CLS_D_R | RT5645_PWR_CLS_D_L); + snd_soc_update_bits(codec, RT5645_GEN_CTRL3, + RT5645_DET_CLK_MASK, RT5645_DET_CLK_MODE1); break; case SND_SOC_DAPM_PRE_PMD: + snd_soc_update_bits(codec, RT5645_GEN_CTRL3, + RT5645_DET_CLK_MASK, RT5645_DET_CLK_DIS); snd_soc_write(codec, RT5645_EQ_CTRL2, 0); snd_soc_update_bits(codec, RT5645_PWR_DIG1, RT5645_PWR_CLS_D | RT5645_PWR_CLS_D_R | diff --git a/sound/soc/codecs/rt5645.h b/sound/soc/codecs/rt5645.h index 093e46d..205e071 100644 --- a/sound/soc/codecs/rt5645.h +++ b/sound/soc/codecs/rt5645.h @@ -2122,6 +2122,10 @@ enum { /* General Control3 (0xfc) */ #define RT5645_JD_PSV_MODE (0x1 << 12) #define RT5645_IRQ_CLK_GATE_CTRL (0x1 << 11) +#define RT5645_DET_CLK_MASK (0x3 << 9) +#define RT5645_DET_CLK_DIS (0x0 << 9) +#define RT5645_DET_CLK_MODE1 (0x1 << 9) +#define RT5645_DET_CLK_MODE2 (0x2 << 9) #define RT5645_MICINDET_MANU (0x1 << 7) #define RT5645_RING2_SLEEVE_GND (0x1 << 5) diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index f540f82..08b4046 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -189,6 +189,7 @@ static int power_vag_event(struct snd_soc_dapm_widget *w, case SND_SOC_DAPM_POST_PMU: snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER, SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP); + msleep(400); break; case SND_SOC_DAPM_PRE_PMD: diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c index 0a60677..4c29bd2 100644 --- a/sound/soc/codecs/wm8974.c +++ b/sound/soc/codecs/wm8974.c @@ -574,6 +574,7 @@ static const struct regmap_config wm8974_regmap = { .max_register = WM8974_MONOMIX, .reg_defaults = wm8974_reg_defaults, .num_reg_defaults = ARRAY_SIZE(wm8974_reg_defaults), + .cache_type = REGCACHE_FLAT, }; static int wm8974_probe(struct snd_soc_codec *codec) diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index c1c9c2e..2ccb8bc 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -223,8 +223,8 @@ static void mcasp_start_tx(struct davinci_mcasp *mcasp) /* wait for XDATA to be cleared */ cnt = 0; - while (!(mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) & - ~XRDATA) && (cnt < 100000)) + while ((mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) & XRDATA) && + (cnt < 100000)) cnt++; /* Release TX state machine */ diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index ffd5f9a..08b460b 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -505,6 +505,24 @@ static int fsl_sai_trigger(struct snd_pcm_substream *substream, int cmd, FSL_SAI_CSR_FR, FSL_SAI_CSR_FR); regmap_update_bits(sai->regmap, FSL_SAI_RCSR, FSL_SAI_CSR_FR, FSL_SAI_CSR_FR); + + /* + * For sai master mode, after several open/close sai, + * there will be no frame clock, and can't recover + * anymore. Add software reset to fix this issue. + * This is a hardware bug, and will be fix in the + * next sai version. + */ + if (!sai->is_slave_mode) { + /* Software Reset for both Tx and Rx */ + regmap_write(sai->regmap, + FSL_SAI_TCSR, FSL_SAI_CSR_SR); + regmap_write(sai->regmap, + FSL_SAI_RCSR, FSL_SAI_CSR_SR); + /* Clear SR bit to finish the reset */ + regmap_write(sai->regmap, FSL_SAI_TCSR, 0); + regmap_write(sai->regmap, FSL_SAI_RCSR, 0); + } } break; default: diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index ffea427..ad4d0f8 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -1240,7 +1240,6 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus) */ ret = snd_soc_tplg_component_load(&platform->component, &skl_tplg_ops, fw, 0); - release_firmware(fw); if (ret < 0) { dev_err(bus->dev, "tplg component load failed%d\n", ret); return -EINVAL; @@ -1249,5 +1248,7 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus) skl->resource.max_mcps = SKL_MAX_MCPS; skl->resource.max_mem = SKL_FW_MAX_MEM; + skl->tplg = fw; + return 0; } diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 5319529..caa69c4 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -25,6 +25,7 @@ #include <linux/pci.h> #include <linux/pm_runtime.h> #include <linux/platform_device.h> +#include <linux/firmware.h> #include <sound/pcm.h> #include "skl.h" @@ -520,6 +521,9 @@ static void skl_remove(struct pci_dev *pci) struct hdac_ext_bus *ebus = pci_get_drvdata(pci); struct skl *skl = ebus_to_skl(ebus); + if (skl->tplg) + release_firmware(skl->tplg); + if (pci_dev_run_wake(pci)) pm_runtime_get_noresume(&pci->dev); pci_dev_put(pci); diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h index dd2e79a..a0709e3 100644 --- a/sound/soc/intel/skylake/skl.h +++ b/sound/soc/intel/skylake/skl.h @@ -68,6 +68,8 @@ struct skl { struct skl_dsp_resource resource; struct list_head ppl_list; struct list_head dapm_path_list; + + const struct firmware *tplg; }; #define skl_to_ebus(s) (&(s)->ebus) diff --git a/sound/soc/rockchip/rockchip_spdif.c b/sound/soc/rockchip/rockchip_spdif.c index ac72ff5..5a806da 100644 --- a/sound/soc/rockchip/rockchip_spdif.c +++ b/sound/soc/rockchip/rockchip_spdif.c @@ -152,8 +152,10 @@ static int rk_spdif_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: ret = regmap_update_bits(spdif->regmap, SPDIF_DMACR, - SPDIF_DMACR_TDE_ENABLE, - SPDIF_DMACR_TDE_ENABLE); + SPDIF_DMACR_TDE_ENABLE | + SPDIF_DMACR_TDL_MASK, + SPDIF_DMACR_TDE_ENABLE | + SPDIF_DMACR_TDL(16)); if (ret != 0) return ret; diff --git a/sound/soc/rockchip/rockchip_spdif.h b/sound/soc/rockchip/rockchip_spdif.h index 921b409..3ef1277 100644 --- a/sound/soc/rockchip/rockchip_spdif.h +++ b/sound/soc/rockchip/rockchip_spdif.h @@ -42,7 +42,7 @@ #define SPDIF_DMACR_TDL_SHIFT 0 #define SPDIF_DMACR_TDL(x) ((x) << SPDIF_DMACR_TDL_SHIFT) -#define SPDIF_DMACR_TDL_MASK (0x1f << SDPIF_DMACR_TDL_SHIFT) +#define SPDIF_DMACR_TDL_MASK (0x1f << SPDIF_DMACR_TDL_SHIFT) /* * XFER diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index f494dce..4f85757 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1354,6 +1354,8 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, } } + snd_usb_mixer_fu_apply_quirk(state->mixer, cval, unitid, kctl); + range = (cval->max - cval->min) / cval->res; /* * Are there devices with volume range more than 255? I use a bit more diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index 6a803ef..ddca654 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -348,13 +348,6 @@ static struct usbmix_name_map bose_companion5_map[] = { { 0 } /* terminator */ }; -/* Dragonfly DAC 1.2, the dB conversion factor is 1 instead of 256 */ -static struct usbmix_dB_map dragonfly_1_2_dB = {0, 5000}; -static struct usbmix_name_map dragonfly_1_2_map[] = { - { 7, NULL, .dB = &dragonfly_1_2_dB }, - { 0 } /* terminator */ -}; - /* * Control map entries */ @@ -470,11 +463,6 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { .id = USB_ID(0x05a7, 0x1020), .map = bose_companion5_map, }, - { - /* Dragonfly DAC 1.2 */ - .id = USB_ID(0x21b4, 0x0081), - .map = dragonfly_1_2_map, - }, { 0 } /* terminator */ }; diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index fe91184..0ce888d 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -37,6 +37,7 @@ #include <sound/control.h> #include <sound/hwdep.h> #include <sound/info.h> +#include <sound/tlv.h> #include "usbaudio.h" #include "mixer.h" @@ -1825,3 +1826,39 @@ void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer, } } +static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer, + struct snd_kcontrol *kctl) +{ + /* Approximation using 10 ranges based on output measurement on hw v1.2. + * This seems close to the cubic mapping e.g. alsamixer uses. */ + static const DECLARE_TLV_DB_RANGE(scale, + 0, 1, TLV_DB_MINMAX_ITEM(-5300, -4970), + 2, 5, TLV_DB_MINMAX_ITEM(-4710, -4160), + 6, 7, TLV_DB_MINMAX_ITEM(-3884, -3710), + 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560), + 15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324), + 17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031), + 20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393), + 27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032), + 32, 40, TLV_DB_MINMAX_ITEM(-968, -490), + 41, 50, TLV_DB_MINMAX_ITEM(-441, 0), + ); + + usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk\n"); + kctl->tlv.p = scale; + kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; + kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; +} + +void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer, + struct usb_mixer_elem_info *cval, int unitid, + struct snd_kcontrol *kctl) +{ + switch (mixer->chip->usb_id) { + case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */ + if (unitid == 7 && cval->min == 0 && cval->max == 50) + snd_dragonfly_quirk_db_scale(mixer, kctl); + break; + } +} + diff --git a/sound/usb/mixer_quirks.h b/sound/usb/mixer_quirks.h index bdbfab0..177c329 100644 --- a/sound/usb/mixer_quirks.h +++ b/sound/usb/mixer_quirks.h @@ -9,5 +9,9 @@ void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer, int unitid); +void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer, + struct usb_mixer_elem_info *cval, int unitid, + struct snd_kcontrol *kctl); + #endif /* SND_USB_MIXER_QUIRKS_H */ diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 7016ad8..b6c0c8e 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1125,6 +1125,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */ case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ + case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ return true; } return false; diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c index 918b4de..6419f57 100644 --- a/tools/perf/builtin-buildid-list.c +++ b/tools/perf/builtin-buildid-list.c @@ -110,7 +110,7 @@ int cmd_buildid_list(int argc, const char **argv, setup_pager(); if (show_kernel) - return sysfs__fprintf_build_id(stdout); + return !(sysfs__fprintf_build_id(stdout) > 0); return perf_session__list_build_ids(force, with_hits); } diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index fa9eb92..81def6c3 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -298,6 +298,9 @@ static bool hist_browser__toggle_fold(struct hist_browser *browser) struct callchain_list *cl = container_of(ms, struct callchain_list, ms); bool has_children; + if (!he || !ms) + return false; + if (ms == &he->ms) has_children = hist_entry__toggle_fold(he); else @@ -928,6 +931,8 @@ static unsigned int hist_browser__refresh(struct ui_browser *browser) } ui_browser__hists_init_top(browser); + hb->he_selection = NULL; + hb->selection = NULL; for (nd = browser->top; nd; nd = rb_next(nd)) { struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); @@ -1033,6 +1038,9 @@ static void ui_browser__hists_seek(struct ui_browser *browser, * and stop when we printed enough lines to fill the screen. */ do_offset: + if (!nd) + return; + if (offset > 0) { do { h = rb_entry(nd, struct hist_entry, rb_node); diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 217b5a6..6a7e273 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -91,7 +91,7 @@ int build_id__sprintf(const u8 *build_id, int len, char *bf) bid += 2; } - return raw - build_id; + return (bid - bf) + 1; } int sysfs__sprintf_build_id(const char *root_dir, char *sbuild_id) diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index e48d9da..6fc8cd7 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -124,6 +124,10 @@ struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { .symbol = "dummy", .alias = "", }, + [PERF_COUNT_SW_BPF_OUTPUT] = { + .symbol = "bpf-output", + .alias = "", + }, }; #define __PERF_EVENT_FIELD(config, name) \ @@ -1879,7 +1883,7 @@ restart: for (i = 0; i < max; i++, syms++) { - if (event_glob != NULL && + if (event_glob != NULL && syms->symbol != NULL && !(strglobmatch(syms->symbol, event_glob) || (syms->alias && strglobmatch(syms->alias, event_glob)))) continue; diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile index e882c83..a8bf908 100644 --- a/tools/power/acpi/Makefile +++ b/tools/power/acpi/Makefile @@ -10,18 +10,18 @@ include ../../scripts/Makefile.include -all: acpidump ec -clean: acpidump_clean ec_clean -install: acpidump_install ec_install -uninstall: acpidump_uninstall ec_uninstall +all: acpidbg acpidump ec +clean: acpidbg_clean acpidump_clean ec_clean +install: acpidbg_install acpidump_install ec_install +uninstall: acpidbg_uninstall acpidump_uninstall ec_uninstall -acpidump ec: FORCE +acpidbg acpidump ec: FORCE $(call descend,tools/$@,all) -acpidump_clean ec_clean: +acpidbg_clean acpidump_clean ec_clean: $(call descend,tools/$(@:_clean=),clean) -acpidump_install ec_install: +acpidbg_install acpidump_install ec_install: $(call descend,tools/$(@:_install=),install) -acpidump_uninstall ec_uninstall: +acpidbg_uninstall acpidump_uninstall ec_uninstall: $(call descend,tools/$(@:_uninstall=),uninstall) .PHONY: FORCE diff --git a/tools/power/acpi/common/getopt.c b/tools/power/acpi/common/getopt.c index 326e826..efefe30 100644 --- a/tools/power/acpi/common/getopt.c +++ b/tools/power/acpi/common/getopt.c @@ -47,6 +47,7 @@ * Option strings: * "f" - Option has no arguments * "f:" - Option requires an argument + * "f+" - Option has an optional argument * "f^" - Option has optional single-char sub-options * "f|" - Option has required single-char sub-options */ @@ -85,6 +86,7 @@ static int current_char_ptr = 1; int acpi_getopt_argument(int argc, char **argv) { + acpi_gbl_optind--; current_char_ptr++; diff --git a/tools/power/acpi/os_specific/service_layers/oslibcfs.c b/tools/power/acpi/os_specific/service_layers/oslibcfs.c index b51e40a..6df7583 100644 --- a/tools/power/acpi/os_specific/service_layers/oslibcfs.c +++ b/tools/power/acpi/os_specific/service_layers/oslibcfs.c @@ -73,6 +73,7 @@ ACPI_FILE acpi_os_open_file(const char *path, u8 modes) if (modes & ACPI_FILE_WRITING) { modes_str[i++] = 'w'; } + if (modes & ACPI_FILE_BINARY) { modes_str[i++] = 'b'; } @@ -101,6 +102,7 @@ ACPI_FILE acpi_os_open_file(const char *path, u8 modes) void acpi_os_close_file(ACPI_FILE file) { + fclose(file); } @@ -202,6 +204,7 @@ acpi_status acpi_os_set_file_offset(ACPI_FILE file, long offset, u8 from) if (from == ACPI_FILE_BEGIN) { ret = fseek(file, offset, SEEK_SET); } + if (from == ACPI_FILE_END) { ret = fseek(file, offset, SEEK_END); } diff --git a/tools/power/acpi/tools/acpidbg/Makefile b/tools/power/acpi/tools/acpidbg/Makefile new file mode 100644 index 0000000..352df4b --- /dev/null +++ b/tools/power/acpi/tools/acpidbg/Makefile @@ -0,0 +1,27 @@ +# tools/power/acpi/tools/acpidbg/Makefile - ACPI tool Makefile +# +# Copyright (c) 2015, Intel Corporation +# Author: Lv Zheng <lv.zheng@intel.com> +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; version 2 +# of the License. + +include ../../Makefile.config + +TOOL = acpidbg +vpath %.c \ + ../../../../../drivers/acpi/acpica\ + ../../common\ + ../../os_specific/service_layers\ + . +CFLAGS += -DACPI_APPLICATION -DACPI_SINGLE_THREAD -DACPI_DEBUGGER\ + -I.\ + -I../../../../../drivers/acpi/acpica\ + -I../../../../../include +LDFLAGS += -lpthread +TOOL_OBJS = \ + acpidbg.o + +include ../../Makefile.rules diff --git a/tools/power/acpi/tools/acpidbg/acpidbg.c b/tools/power/acpi/tools/acpidbg/acpidbg.c new file mode 100644 index 0000000..d070fcc --- /dev/null +++ b/tools/power/acpi/tools/acpidbg/acpidbg.c @@ -0,0 +1,438 @@ +/* + * ACPI AML interfacing userspace utility + * + * Copyright (C) 2015, Intel Corporation + * Authors: Lv Zheng <lv.zheng@intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <acpi/acpi.h> + +/* Headers not included by include/acpi/platform/aclinux.h */ +#include <stdbool.h> +#include <fcntl.h> +#include <assert.h> +#include <linux/circ_buf.h> + +#define ACPI_AML_FILE "/sys/kernel/debug/acpi/acpidbg" +#define ACPI_AML_SEC_TICK 1 +#define ACPI_AML_USEC_PEEK 200 +#define ACPI_AML_BUF_SIZE 4096 + +#define ACPI_AML_BATCH_WRITE_CMD 0x00 /* Write command to kernel */ +#define ACPI_AML_BATCH_READ_LOG 0x01 /* Read log from kernel */ +#define ACPI_AML_BATCH_WRITE_LOG 0x02 /* Write log to console */ + +#define ACPI_AML_LOG_START 0x00 +#define ACPI_AML_PROMPT_START 0x01 +#define ACPI_AML_PROMPT_STOP 0x02 +#define ACPI_AML_LOG_STOP 0x03 +#define ACPI_AML_PROMPT_ROLL 0x04 + +#define ACPI_AML_INTERACTIVE 0x00 +#define ACPI_AML_BATCH 0x01 + +#define circ_count(circ) \ + (CIRC_CNT((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) +#define circ_count_to_end(circ) \ + (CIRC_CNT_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) +#define circ_space(circ) \ + (CIRC_SPACE((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) +#define circ_space_to_end(circ) \ + (CIRC_SPACE_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE)) + +#define acpi_aml_cmd_count() circ_count(&acpi_aml_cmd_crc) +#define acpi_aml_log_count() circ_count(&acpi_aml_log_crc) +#define acpi_aml_cmd_space() circ_space(&acpi_aml_cmd_crc) +#define acpi_aml_log_space() circ_space(&acpi_aml_log_crc) + +#define ACPI_AML_DO(_fd, _op, _buf, _ret) \ + do { \ + _ret = acpi_aml_##_op(_fd, &acpi_aml_##_buf##_crc); \ + if (_ret == 0) { \ + fprintf(stderr, \ + "%s %s pipe closed.\n", #_buf, #_op); \ + return; \ + } \ + } while (0) +#define ACPI_AML_BATCH_DO(_fd, _op, _buf, _ret) \ + do { \ + _ret = acpi_aml_##_op##_batch_##_buf(_fd, \ + &acpi_aml_##_buf##_crc); \ + if (_ret == 0) \ + return; \ + } while (0) + + +static char acpi_aml_cmd_buf[ACPI_AML_BUF_SIZE]; +static char acpi_aml_log_buf[ACPI_AML_BUF_SIZE]; +static struct circ_buf acpi_aml_cmd_crc = { + .buf = acpi_aml_cmd_buf, + .head = 0, + .tail = 0, +}; +static struct circ_buf acpi_aml_log_crc = { + .buf = acpi_aml_log_buf, + .head = 0, + .tail = 0, +}; +static const char *acpi_aml_file_path = ACPI_AML_FILE; +static unsigned long acpi_aml_mode = ACPI_AML_INTERACTIVE; +static bool acpi_aml_exit; + +static bool acpi_aml_batch_drain; +static unsigned long acpi_aml_batch_state; +static char acpi_aml_batch_prompt; +static char acpi_aml_batch_roll; +static unsigned long acpi_aml_log_state; +static char *acpi_aml_batch_cmd = NULL; +static char *acpi_aml_batch_pos = NULL; + +static int acpi_aml_set_fl(int fd, int flags) +{ + int ret; + + ret = fcntl(fd, F_GETFL, 0); + if (ret < 0) { + perror("fcntl(F_GETFL)"); + return ret; + } + flags |= ret; + ret = fcntl(fd, F_SETFL, flags); + if (ret < 0) { + perror("fcntl(F_SETFL)"); + return ret; + } + return ret; +} + +static int acpi_aml_set_fd(int fd, int maxfd, fd_set *set) +{ + if (fd > maxfd) + maxfd = fd; + FD_SET(fd, set); + return maxfd; +} + +static int acpi_aml_read(int fd, struct circ_buf *crc) +{ + char *p; + int len; + + p = &crc->buf[crc->head]; + len = circ_space_to_end(crc); + len = read(fd, p, len); + if (len < 0) + perror("read"); + else if (len > 0) + crc->head = (crc->head + len) & (ACPI_AML_BUF_SIZE - 1); + return len; +} + +static int acpi_aml_read_batch_cmd(int unused, struct circ_buf *crc) +{ + char *p; + int len; + int remained = strlen(acpi_aml_batch_pos); + + p = &crc->buf[crc->head]; + len = circ_space_to_end(crc); + if (len > remained) { + memcpy(p, acpi_aml_batch_pos, remained); + acpi_aml_batch_pos += remained; + len = remained; + } else { + memcpy(p, acpi_aml_batch_pos, len); + acpi_aml_batch_pos += len; + } + if (len > 0) + crc->head = (crc->head + len) & (ACPI_AML_BUF_SIZE - 1); + return len; +} + +static int acpi_aml_read_batch_log(int fd, struct circ_buf *crc) +{ + char *p; + int len; + int ret = 0; + + p = &crc->buf[crc->head]; + len = circ_space_to_end(crc); + while (ret < len && acpi_aml_log_state != ACPI_AML_LOG_STOP) { + if (acpi_aml_log_state == ACPI_AML_PROMPT_ROLL) { + *p = acpi_aml_batch_roll; + len = 1; + crc->head = (crc->head + 1) & (ACPI_AML_BUF_SIZE - 1); + ret += 1; + acpi_aml_log_state = ACPI_AML_LOG_START; + } else { + len = read(fd, p, 1); + if (len <= 0) { + if (len < 0) + perror("read"); + ret = len; + break; + } + } + switch (acpi_aml_log_state) { + case ACPI_AML_LOG_START: + if (*p == '\n') + acpi_aml_log_state = ACPI_AML_PROMPT_START; + crc->head = (crc->head + 1) & (ACPI_AML_BUF_SIZE - 1); + ret += 1; + break; + case ACPI_AML_PROMPT_START: + if (*p == ACPI_DEBUGGER_COMMAND_PROMPT || + *p == ACPI_DEBUGGER_EXECUTE_PROMPT) { + acpi_aml_batch_prompt = *p; + acpi_aml_log_state = ACPI_AML_PROMPT_STOP; + } else { + if (*p != '\n') + acpi_aml_log_state = ACPI_AML_LOG_START; + crc->head = (crc->head + 1) & (ACPI_AML_BUF_SIZE - 1); + ret += 1; + } + break; + case ACPI_AML_PROMPT_STOP: + if (*p == ' ') { + acpi_aml_log_state = ACPI_AML_LOG_STOP; + acpi_aml_exit = true; + } else { + /* Roll back */ + acpi_aml_log_state = ACPI_AML_PROMPT_ROLL; + acpi_aml_batch_roll = *p; + *p = acpi_aml_batch_prompt; + crc->head = (crc->head + 1) & (ACPI_AML_BUF_SIZE - 1); + ret += 1; + } + break; + default: + assert(0); + break; + } + } + return ret; +} + +static int acpi_aml_write(int fd, struct circ_buf *crc) +{ + char *p; + int len; + + p = &crc->buf[crc->tail]; + len = circ_count_to_end(crc); + len = write(fd, p, len); + if (len < 0) + perror("write"); + else if (len > 0) + crc->tail = (crc->tail + len) & (ACPI_AML_BUF_SIZE - 1); + return len; +} + +static int acpi_aml_write_batch_log(int fd, struct circ_buf *crc) +{ + char *p; + int len; + + p = &crc->buf[crc->tail]; + len = circ_count_to_end(crc); + if (!acpi_aml_batch_drain) { + len = write(fd, p, len); + if (len < 0) + perror("write"); + } + if (len > 0) + crc->tail = (crc->tail + len) & (ACPI_AML_BUF_SIZE - 1); + return len; +} + +static int acpi_aml_write_batch_cmd(int fd, struct circ_buf *crc) +{ + int len; + + len = acpi_aml_write(fd, crc); + if (circ_count_to_end(crc) == 0) + acpi_aml_batch_state = ACPI_AML_BATCH_READ_LOG; + return len; +} + +static void acpi_aml_loop(int fd) +{ + fd_set rfds; + fd_set wfds; + struct timeval tv; + int ret; + int maxfd = 0; + + if (acpi_aml_mode == ACPI_AML_BATCH) { + acpi_aml_log_state = ACPI_AML_LOG_START; + acpi_aml_batch_pos = acpi_aml_batch_cmd; + if (acpi_aml_batch_drain) + acpi_aml_batch_state = ACPI_AML_BATCH_READ_LOG; + else + acpi_aml_batch_state = ACPI_AML_BATCH_WRITE_CMD; + } + acpi_aml_exit = false; + while (!acpi_aml_exit) { + tv.tv_sec = ACPI_AML_SEC_TICK; + tv.tv_usec = 0; + FD_ZERO(&rfds); + FD_ZERO(&wfds); + + if (acpi_aml_cmd_space()) { + if (acpi_aml_mode == ACPI_AML_INTERACTIVE) + maxfd = acpi_aml_set_fd(STDIN_FILENO, maxfd, &rfds); + else if (strlen(acpi_aml_batch_pos) && + acpi_aml_batch_state == ACPI_AML_BATCH_WRITE_CMD) + ACPI_AML_BATCH_DO(STDIN_FILENO, read, cmd, ret); + } + if (acpi_aml_cmd_count() && + (acpi_aml_mode == ACPI_AML_INTERACTIVE || + acpi_aml_batch_state == ACPI_AML_BATCH_WRITE_CMD)) + maxfd = acpi_aml_set_fd(fd, maxfd, &wfds); + if (acpi_aml_log_space() && + (acpi_aml_mode == ACPI_AML_INTERACTIVE || + acpi_aml_batch_state == ACPI_AML_BATCH_READ_LOG)) + maxfd = acpi_aml_set_fd(fd, maxfd, &rfds); + if (acpi_aml_log_count()) + maxfd = acpi_aml_set_fd(STDOUT_FILENO, maxfd, &wfds); + + ret = select(maxfd+1, &rfds, &wfds, NULL, &tv); + if (ret < 0) { + perror("select"); + break; + } + if (ret > 0) { + if (FD_ISSET(STDIN_FILENO, &rfds)) + ACPI_AML_DO(STDIN_FILENO, read, cmd, ret); + if (FD_ISSET(fd, &wfds)) { + if (acpi_aml_mode == ACPI_AML_BATCH) + ACPI_AML_BATCH_DO(fd, write, cmd, ret); + else + ACPI_AML_DO(fd, write, cmd, ret); + } + if (FD_ISSET(fd, &rfds)) { + if (acpi_aml_mode == ACPI_AML_BATCH) + ACPI_AML_BATCH_DO(fd, read, log, ret); + else + ACPI_AML_DO(fd, read, log, ret); + } + if (FD_ISSET(STDOUT_FILENO, &wfds)) { + if (acpi_aml_mode == ACPI_AML_BATCH) + ACPI_AML_BATCH_DO(STDOUT_FILENO, write, log, ret); + else + ACPI_AML_DO(STDOUT_FILENO, write, log, ret); + } + } + } +} + +static bool acpi_aml_readable(int fd) +{ + fd_set rfds; + struct timeval tv; + int ret; + int maxfd = 0; + + tv.tv_sec = 0; + tv.tv_usec = ACPI_AML_USEC_PEEK; + FD_ZERO(&rfds); + maxfd = acpi_aml_set_fd(fd, maxfd, &rfds); + ret = select(maxfd+1, &rfds, NULL, NULL, &tv); + if (ret < 0) + perror("select"); + if (ret > 0 && FD_ISSET(fd, &rfds)) + return true; + return false; +} + +/* + * This is a userspace IO flush implementation, replying on the prompt + * characters and can be turned into a flush() call after kernel implements + * .flush() filesystem operation. + */ +static void acpi_aml_flush(int fd) +{ + while (acpi_aml_readable(fd)) { + acpi_aml_batch_drain = true; + acpi_aml_loop(fd); + acpi_aml_batch_drain = false; + } +} + +void usage(FILE *file, char *progname) +{ + fprintf(file, "usage: %s [-b cmd] [-f file] [-h]\n", progname); + fprintf(file, "\nOptions:\n"); + fprintf(file, " -b Specify command to be executed in batch mode\n"); + fprintf(file, " -f Specify interface file other than"); + fprintf(file, " /sys/kernel/debug/acpi/acpidbg\n"); + fprintf(file, " -h Print this help message\n"); +} + +int main(int argc, char **argv) +{ + int fd = 0; + int ch; + int len; + int ret = EXIT_SUCCESS; + + while ((ch = getopt(argc, argv, "b:f:h")) != -1) { + switch (ch) { + case 'b': + if (acpi_aml_batch_cmd) { + fprintf(stderr, "Already specify %s\n", + acpi_aml_batch_cmd); + ret = EXIT_FAILURE; + goto exit; + } + len = strlen(optarg); + acpi_aml_batch_cmd = calloc(len + 2, 1); + if (!acpi_aml_batch_cmd) { + perror("calloc"); + ret = EXIT_FAILURE; + goto exit; + } + memcpy(acpi_aml_batch_cmd, optarg, len); + acpi_aml_batch_cmd[len] = '\n'; + acpi_aml_mode = ACPI_AML_BATCH; + break; + case 'f': + acpi_aml_file_path = optarg; + break; + case 'h': + usage(stdout, argv[0]); + goto exit; + break; + case '?': + default: + usage(stderr, argv[0]); + ret = EXIT_FAILURE; + goto exit; + break; + } + } + + fd = open(acpi_aml_file_path, O_RDWR | O_NONBLOCK); + if (fd < 0) { + perror("open"); + ret = EXIT_FAILURE; + goto exit; + } + acpi_aml_set_fl(STDIN_FILENO, O_NONBLOCK); + acpi_aml_set_fl(STDOUT_FILENO, O_NONBLOCK); + + if (acpi_aml_mode == ACPI_AML_BATCH) + acpi_aml_flush(fd); + acpi_aml_loop(fd); + +exit: + if (fd < 0) + close(fd); + if (acpi_aml_batch_cmd) + free(acpi_aml_batch_cmd); + return ret; +} diff --git a/tools/power/acpi/tools/acpidump/apfiles.c b/tools/power/acpi/tools/acpidump/apfiles.c index a1c62de..bbdf9e8 100644 --- a/tools/power/acpi/tools/acpidump/apfiles.c +++ b/tools/power/acpi/tools/acpidump/apfiles.c @@ -48,6 +48,18 @@ static int ap_is_existing_file(char *pathname); +/****************************************************************************** + * + * FUNCTION: ap_is_existing_file + * + * PARAMETERS: pathname - Output filename + * + * RETURN: 0 on success + * + * DESCRIPTION: Query for file overwrite if it already exists. + * + ******************************************************************************/ + static int ap_is_existing_file(char *pathname) { #ifndef _GNU_EFI @@ -136,6 +148,7 @@ int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance) } else { ACPI_MOVE_NAME(filename, table->signature); } + filename[0] = (char)tolower((int)filename[0]); filename[1] = (char)tolower((int)filename[1]); filename[2] = (char)tolower((int)filename[2]); diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h index 0a3da64..4db7d56 100644 --- a/tools/virtio/linux/kernel.h +++ b/tools/virtio/linux/kernel.h @@ -110,4 +110,10 @@ static inline void free_page(unsigned long addr) (void) (&_min1 == &_min2); \ _min1 < _min2 ? _min1 : _min2; }) +/* TODO: empty stubs for now. Broken but enough for virtio_ring.c */ +#define list_add_tail(a, b) do {} while (0) +#define list_del(a) do {} while (0) +#define list_for_each_entry(a, b, c) while (0) +/* end of stubs */ + #endif /* KERNEL_H */ diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h index a3e0701..ee125e7 100644 --- a/tools/virtio/linux/virtio.h +++ b/tools/virtio/linux/virtio.h @@ -3,12 +3,6 @@ #include <linux/scatterlist.h> #include <linux/kernel.h> -/* TODO: empty stubs for now. Broken but enough for virtio_ring.c */ -#define list_add_tail(a, b) do {} while (0) -#define list_del(a) do {} while (0) -#define list_for_each_entry(a, b, c) while (0) -/* end of stubs */ - struct virtio_device { void *dev; u64 features; diff --git a/tools/virtio/linux/virtio_config.h b/tools/virtio/linux/virtio_config.h index 806d683..57a6964 100644 --- a/tools/virtio/linux/virtio_config.h +++ b/tools/virtio/linux/virtio_config.h @@ -40,33 +40,39 @@ static inline void __virtio_clear_bit(struct virtio_device *vdev, #define virtio_has_feature(dev, feature) \ (__virtio_test_bit((dev), feature)) +static inline bool virtio_is_little_endian(struct virtio_device *vdev) +{ + return virtio_has_feature(vdev, VIRTIO_F_VERSION_1) || + virtio_legacy_is_little_endian(); +} + +/* Memory accessors */ static inline u16 virtio16_to_cpu(struct virtio_device *vdev, __virtio16 val) { - return __virtio16_to_cpu(virtio_has_feature(vdev, VIRTIO_F_VERSION_1), val); + return __virtio16_to_cpu(virtio_is_little_endian(vdev), val); } static inline __virtio16 cpu_to_virtio16(struct virtio_device *vdev, u16 val) { - return __cpu_to_virtio16(virtio_has_feature(vdev, VIRTIO_F_VERSION_1), val); + return __cpu_to_virtio16(virtio_is_little_endian(vdev), val); } static inline u32 virtio32_to_cpu(struct virtio_device *vdev, __virtio32 val) { - return __virtio32_to_cpu(virtio_has_feature(vdev, VIRTIO_F_VERSION_1), val); + return __virtio32_to_cpu(virtio_is_little_endian(vdev), val); } static inline __virtio32 cpu_to_virtio32(struct virtio_device *vdev, u32 val) { - return __cpu_to_virtio32(virtio_has_feature(vdev, VIRTIO_F_VERSION_1), val); + return __cpu_to_virtio32(virtio_is_little_endian(vdev), val); } static inline u64 virtio64_to_cpu(struct virtio_device *vdev, __virtio64 val) { - return __virtio64_to_cpu(virtio_has_feature(vdev, VIRTIO_F_VERSION_1), val); + return __virtio64_to_cpu(virtio_is_little_endian(vdev), val); } static inline __virtio64 cpu_to_virtio64(struct virtio_device *vdev, u64 val) { - return __cpu_to_virtio64(virtio_has_feature(vdev, VIRTIO_F_VERSION_1), val); + return __cpu_to_virtio64(virtio_is_little_endian(vdev), val); } - diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 65461f8..7a2f449 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1114,7 +1114,7 @@ bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, struct irq_phys_map *map) return true; } - return dist_active_irq(vcpu); + return vgic_irq_is_active(vcpu, map->virt_irq); } /* |