diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-19 03:40:33 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-19 03:40:33 (GMT) |
| commit | 5bc0b123dcb2bb65b0b1ec57e591459dcf583d3d (patch) | |
| tree | 6ee79d18fd716755d49d18c465c1b25fabc43597 | |
| parent | eefbc594abbb1b7e6e7eeadb65ae7c7538474210 (diff) | |
| parent | b36f4be3de1b123d8601de062e7dbfc904f305fb (diff) | |
| download | linux-5bc0b123dcb2bb65b0b1ec57e591459dcf583d3d.tar.xz | |
Merge 3.11-rc6 into char-misc-next
We want these fixes in this tree.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
711 files changed, 7242 insertions, 4081 deletions
@@ -29,6 +29,7 @@ modules.builtin *.bz2 *.lzma *.xz +*.lz4 *.lzo *.patch *.gcno diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl index cbfdf54..fe397f9 100644 --- a/Documentation/DocBook/device-drivers.tmpl +++ b/Documentation/DocBook/device-drivers.tmpl @@ -84,7 +84,7 @@ X!Iinclude/linux/kobject.h <sect1><title>Kernel utility functions</title> !Iinclude/linux/kernel.h -!Ekernel/printk.c +!Ekernel/printk/printk.c !Ekernel/panic.c !Ekernel/sys.c !Ekernel/rcupdate.c diff --git a/Documentation/DocBook/media_api.tmpl b/Documentation/DocBook/media_api.tmpl index 6a8b715..9c92bb8 100644 --- a/Documentation/DocBook/media_api.tmpl +++ b/Documentation/DocBook/media_api.tmpl @@ -1,6 +1,6 @@ <?xml version="1.0"?> -<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" - "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [ +<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [ <!ENTITY % media-entities SYSTEM "./media-entities.tmpl"> %media-entities; <!ENTITY media-indices SYSTEM "./media-indices.tmpl"> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt index a1ee681..6113f92 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt @@ -4,7 +4,7 @@ Required properties : - reg : Offset and length of the register set for the device - - compatible : Should be "marvell,mv64xxx-i2c" + - compatible : Should be "marvell,mv64xxx-i2c" or "allwinner,sun4i-i2c" - interrupts : The interrupt number Optional properties : diff --git a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt index d5a3086..30b0581 100644 --- a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt +++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt @@ -31,9 +31,8 @@ Optional nodes: Optional sub-node properties: ti,warm-reset - maintain voltage during warm reset(boolean) ti,roof-floor - control voltage selection by pin(boolean) - ti,sleep-mode - mode to adopt in pmic sleep 0 - off, 1 - auto, + ti,mode-sleep - mode to adopt in pmic sleep 0 - off, 1 - auto, 2 - eco, 3 - forced pwm - ti,tstep - slope control 0 - Jump, 1 10mV/us, 2 5mV/us, 3 2.5mV/us ti,smps-range - OTP has the wrong range set for the hardware so override 0 - low range, 1 - high range. @@ -59,7 +58,6 @@ pmic { ti,warm-reset; ti,roof-floor; ti,mode-sleep = <0>; - ti,tstep = <0>; ti,smps-range = <1>; }; diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt index 1c15043..d569f2a 100644 --- a/Documentation/sysctl/net.txt +++ b/Documentation/sysctl/net.txt @@ -52,7 +52,7 @@ Default: 64 busy_read ---------------- -Low latency busy poll timeout for socket reads. (needs CONFIG_NET_LL_RX_POLL) +Low latency busy poll timeout for socket reads. (needs CONFIG_NET_RX_BUSY_POLL) Approximate time in us to busy loop waiting for packets on the device queue. This sets the default value of the SO_BUSY_POLL socket option. Can be set or overridden per socket by setting socket option SO_BUSY_POLL, @@ -63,7 +63,7 @@ Default: 0 (off) busy_poll ---------------- -Low latency busy poll timeout for poll and select. (needs CONFIG_NET_LL_RX_POLL) +Low latency busy poll timeout for poll and select. (needs CONFIG_NET_RX_BUSY_POLL) Approximate time in us to busy loop waiting for events. Recommended value depends on the number of sockets you poll on. For several sockets 50, for several hundreds 100. diff --git a/MAINTAINERS b/MAINTAINERS index a26b10e..229c66b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -965,6 +965,12 @@ M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained +ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE +M: Santosh Shilimkar <santosh.shilimkar@ti.com> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: arch/arm/mach-keystone/ + ARM/LOGICPD PXA270 MACHINE SUPPORT M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1259,7 +1265,6 @@ F: drivers/rtc/rtc-coh901331.c T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git ARM/Ux500 ARM ARCHITECTURE -M: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> M: Linus Walleij <linus.walleij@linaro.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained @@ -1406,7 +1411,7 @@ ATHEROS ATH6KL WIRELESS DRIVER M: Kalle Valo <kvalo@qca.qualcomm.com> L: linux-wireless@vger.kernel.org W: http://wireless.kernel.org/en/users/Drivers/ath6kl -T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath6kl.git +T: git git://github.com/kvalo/ath.git S: Supported F: drivers/net/wireless/ath/ath6kl/ @@ -2871,7 +2876,7 @@ F: drivers/media/usb/dvb-usb-v2/dvb_usb* F: drivers/media/usb/dvb-usb-v2/usb_urb.c DYNAMIC DEBUG -M: Jason Baron <jbaron@redhat.com> +M: Jason Baron <jbaron@akamai.com> S: Maintained F: lib/dynamic_debug.c F: include/linux/dynamic_debug.h @@ -5576,9 +5581,9 @@ S: Maintained F: drivers/media/tuners/mxl5007t.* MYRICOM MYRI-10G 10GbE DRIVER (MYRI10GE) -M: Andrew Gallatin <gallatin@myri.com> +M: Hyong-Youb Kim <hykim@myri.com> L: netdev@vger.kernel.org -W: http://www.myri.com/scs/download-Myri10GE.html +W: https://www.myricom.com/support/downloads/myri10ge.html S: Supported F: drivers/net/ethernet/myricom/myri10ge/ @@ -6726,6 +6731,14 @@ T: git git://linuxtv.org/anttip/media_tree.git S: Maintained F: drivers/media/tuners/qt1010* +QUALCOMM ATHEROS ATH10K WIRELESS DRIVER +M: Kalle Valo <kvalo@qca.qualcomm.com> +L: ath10k@lists.infradead.org +W: http://wireless.kernel.org/en/users/Drivers/ath10k +T: git git://github.com/kvalo/ath.git +S: Supported +F: drivers/net/wireless/ath/ath10k/ + QUALCOMM HEXAGON ARCHITECTURE M: Richard Kuo <rkuo@codeaurora.org> L: linux-hexagon@vger.kernel.org @@ -7353,7 +7366,6 @@ F: drivers/net/ethernet/sfc/ SGI GRU DRIVER M: Dimitri Sivanich <sivanich@sgi.com> -M: Robin Holt <holt@sgi.com> S: Maintained F: drivers/misc/sgi-gru/ @@ -7373,7 +7385,8 @@ S: Maintained for 2.6. F: Documentation/sgi-visws.txt SGI XP/XPC/XPNET DRIVER -M: Robin Holt <holt@sgi.com> +M: Cliff Whickman <cpw@sgi.com> +M: Robin Holt <robinmholt@gmail.com> S: Maintained F: drivers/misc/sgi-xp/ @@ -8270,7 +8283,7 @@ S: Maintained F: sound/soc/codecs/twl4030* TI WILINK WIRELESS DRIVERS -M: Luciano Coelho <coelho@ti.com> +M: Luciano Coelho <luca@coelho.fi> L: linux-wireless@vger.kernel.org W: http://wireless.kernel.org/en/users/Drivers/wl12xx W: http://wireless.kernel.org/en/users/Drivers/wl1251 @@ -8656,6 +8669,11 @@ T: git git://git.alsa-project.org/alsa-kernel.git S: Maintained F: sound/usb/midi.* +USB NETWORKING DRIVERS +L: linux-usb@vger.kernel.org +S: Odd Fixes +F: drivers/net/usb/ + USB OHCI DRIVER M: Alan Stern <stern@rowland.harvard.edu> L: linux-usb@vger.kernel.org @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 11 SUBLEVEL = 0 -EXTRAVERSION = -rc3 +EXTRAVERSION = -rc6 NAME = Linux for Workgroups # *DOCUMENTATION* diff --git a/arch/Kconfig b/arch/Kconfig index 8d2ae24..1feb169 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -407,6 +407,12 @@ config CLONE_BACKWARDS2 help Architecture has the first two arguments of clone(2) swapped. +config CLONE_BACKWARDS3 + bool + help + Architecture has tls passed as the 3rd argument of clone(2), + not the 5th one. + config ODD_RT_SIGACTION bool help diff --git a/arch/arc/include/asm/entry.h b/arch/arc/include/asm/entry.h index 8943c02..df57611 100644 --- a/arch/arc/include/asm/entry.h +++ b/arch/arc/include/asm/entry.h @@ -38,6 +38,7 @@ #include <asm/ptrace.h> #include <asm/processor.h> /* For VMALLOC_START */ #include <asm/thread_info.h> /* For THREAD_SIZE */ +#include <asm/mmu.h> /* Note on the LD/ST addr modes with addr reg wback * diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 37c0f4e..43594d5 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -20,7 +20,6 @@ config ARM select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER select HARDIRQS_SW_RESEND - select HAVE_AOUT select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL select HAVE_ARCH_KGDB select HAVE_ARCH_SECCOMP_FILTER @@ -218,7 +217,8 @@ config VECTORS_BASE default DRAM_BASE if REMAP_VECTORS_TO_RAM default 0x00000000 help - The base address of exception vectors. + The base address of exception vectors. This must be two pages + in size. config ARM_PATCH_PHYS_VIRT bool "Patch physical to virtual translations at runtime" if EMBEDDED diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index e401a76..583f4a0 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -804,9 +804,19 @@ config DEBUG_LL_INCLUDE config DEBUG_UNCOMPRESS bool - default y if ARCH_MULTIPLATFORM && DEBUG_LL && \ - !DEBUG_OMAP2PLUS_UART && \ + depends on ARCH_MULTIPLATFORM + default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ !DEBUG_TEGRA_UART + help + This option influences the normal decompressor output for + multiplatform kernels. Normally, multiplatform kernels disable + decompressor output because it is not possible to know where to + send the decompressor output. + + When this option is set, the selected DEBUG_LL output method + will be re-used for normal decompressor output on multiplatform + kernels. + config UNCOMPRESS_INCLUDE string diff --git a/arch/arm/Makefile b/arch/arm/Makefile index c0ac0f5..6fd2cea 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -153,6 +153,7 @@ machine-$(CONFIG_ARCH_DAVINCI) += davinci machine-$(CONFIG_ARCH_DOVE) += dove machine-$(CONFIG_ARCH_EBSA110) += ebsa110 machine-$(CONFIG_ARCH_EP93XX) += ep93xx +machine-$(CONFIG_ARCH_EXYNOS) += exynos machine-$(CONFIG_ARCH_GEMINI) += gemini machine-$(CONFIG_ARCH_HIGHBANK) += highbank machine-$(CONFIG_ARCH_INTEGRATOR) += integrator @@ -160,15 +161,16 @@ machine-$(CONFIG_ARCH_IOP13XX) += iop13xx machine-$(CONFIG_ARCH_IOP32X) += iop32x machine-$(CONFIG_ARCH_IOP33X) += iop33x machine-$(CONFIG_ARCH_IXP4XX) += ixp4xx +machine-$(CONFIG_ARCH_KEYSTONE) += keystone machine-$(CONFIG_ARCH_KIRKWOOD) += kirkwood machine-$(CONFIG_ARCH_KS8695) += ks8695 machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx machine-$(CONFIG_ARCH_MMP) += mmp machine-$(CONFIG_ARCH_MSM) += msm machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0 +machine-$(CONFIG_ARCH_MVEBU) += mvebu machine-$(CONFIG_ARCH_MXC) += imx machine-$(CONFIG_ARCH_MXS) += mxs -machine-$(CONFIG_ARCH_MVEBU) += mvebu machine-$(CONFIG_ARCH_NETX) += netx machine-$(CONFIG_ARCH_NOMADIK) += nomadik machine-$(CONFIG_ARCH_NSPIRE) += nspire @@ -176,7 +178,6 @@ machine-$(CONFIG_ARCH_OMAP1) += omap1 machine-$(CONFIG_ARCH_OMAP2PLUS) += omap2 machine-$(CONFIG_ARCH_ORION5X) += orion5x machine-$(CONFIG_ARCH_PICOXCELL) += picoxcell -machine-$(CONFIG_ARCH_SIRF) += prima2 machine-$(CONFIG_ARCH_PXA) += pxa machine-$(CONFIG_ARCH_REALVIEW) += realview machine-$(CONFIG_ARCH_ROCKCHIP) += rockchip @@ -186,25 +187,24 @@ machine-$(CONFIG_ARCH_S3C64XX) += s3c64xx machine-$(CONFIG_ARCH_S5P64X0) += s5p64x0 machine-$(CONFIG_ARCH_S5PC100) += s5pc100 machine-$(CONFIG_ARCH_S5PV210) += s5pv210 -machine-$(CONFIG_ARCH_EXYNOS) += exynos machine-$(CONFIG_ARCH_SA1100) += sa1100 machine-$(CONFIG_ARCH_SHARK) += shark machine-$(CONFIG_ARCH_SHMOBILE) += shmobile +machine-$(CONFIG_ARCH_SIRF) += prima2 +machine-$(CONFIG_ARCH_SOCFPGA) += socfpga +machine-$(CONFIG_ARCH_STI) += sti +machine-$(CONFIG_ARCH_SUNXI) += sunxi machine-$(CONFIG_ARCH_TEGRA) += tegra machine-$(CONFIG_ARCH_U300) += u300 machine-$(CONFIG_ARCH_U8500) += ux500 machine-$(CONFIG_ARCH_VERSATILE) += versatile machine-$(CONFIG_ARCH_VEXPRESS) += vexpress +machine-$(CONFIG_ARCH_VIRT) += virt machine-$(CONFIG_ARCH_VT8500) += vt8500 machine-$(CONFIG_ARCH_W90X900) += w90x900 +machine-$(CONFIG_ARCH_ZYNQ) += zynq machine-$(CONFIG_FOOTBRIDGE) += footbridge -machine-$(CONFIG_ARCH_SOCFPGA) += socfpga machine-$(CONFIG_PLAT_SPEAR) += spear -machine-$(CONFIG_ARCH_STI) += sti -machine-$(CONFIG_ARCH_VIRT) += virt -machine-$(CONFIG_ARCH_ZYNQ) += zynq -machine-$(CONFIG_ARCH_SUNXI) += sunxi -machine-$(CONFIG_ARCH_KEYSTONE) += keystone # Platform directory name. This list is sorted alphanumerically # by CONFIG_* macro name. diff --git a/arch/arm/boot/dts/msm8960-cdp.dts b/arch/arm/boot/dts/msm8960-cdp.dts index db2060c..9c1167b0 100644 --- a/arch/arm/boot/dts/msm8960-cdp.dts +++ b/arch/arm/boot/dts/msm8960-cdp.dts @@ -26,7 +26,7 @@ cpu-offset = <0x80000>; }; - msmgpio: gpio@fd510000 { + msmgpio: gpio@800000 { compatible = "qcom,msm-gpio"; gpio-controller; #gpio-cells = <2>; @@ -34,7 +34,7 @@ interrupts = <0 32 0x4>; interrupt-controller; #interrupt-cells = <2>; - reg = <0xfd510000 0x4000>; + reg = <0x800000 0x4000>; }; serial@16440000 { diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts index 08b7267..65d7b60 100644 --- a/arch/arm/boot/dts/omap5-uevm.dts +++ b/arch/arm/boot/dts/omap5-uevm.dts @@ -235,7 +235,7 @@ }; &mmc1 { - vmmc-supply = <&vmmcsd_fixed>; + vmmc-supply = <&ldo9_reg>; bus-width = <4>; }; @@ -282,6 +282,7 @@ regulators { smps123_reg: smps123 { + /* VDD_OPP_MPU */ regulator-name = "smps123"; regulator-min-microvolt = < 600000>; regulator-max-microvolt = <1500000>; @@ -290,6 +291,7 @@ }; smps45_reg: smps45 { + /* VDD_OPP_MM */ regulator-name = "smps45"; regulator-min-microvolt = < 600000>; regulator-max-microvolt = <1310000>; @@ -298,6 +300,7 @@ }; smps6_reg: smps6 { + /* VDD_DDR3 - over VDD_SMPS6 */ regulator-name = "smps6"; regulator-min-microvolt = <1200000>; regulator-max-microvolt = <1200000>; @@ -306,6 +309,7 @@ }; smps7_reg: smps7 { + /* VDDS_1v8_OMAP over VDDS_1v8_MAIN */ regulator-name = "smps7"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -314,6 +318,7 @@ }; smps8_reg: smps8 { + /* VDD_OPP_CORE */ regulator-name = "smps8"; regulator-min-microvolt = < 600000>; regulator-max-microvolt = <1310000>; @@ -322,15 +327,15 @@ }; smps9_reg: smps9 { + /* VDDA_2v1_AUD over VDD_2v1 */ regulator-name = "smps9"; regulator-min-microvolt = <2100000>; regulator-max-microvolt = <2100000>; - regulator-always-on; - regulator-boot-on; ti,smps-range = <0x80>; }; smps10_reg: smps10 { + /* VBUS_5V_OTG */ regulator-name = "smps10"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; @@ -339,38 +344,40 @@ }; ldo1_reg: ldo1 { + /* VDDAPHY_CAM: vdda_csiport */ regulator-name = "ldo1"; - regulator-min-microvolt = <2800000>; - regulator-max-microvolt = <2800000>; - regulator-always-on; - regulator-boot-on; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1800000>; }; ldo2_reg: ldo2 { + /* VCC_2V8_DISP: Does not go anywhere */ regulator-name = "ldo2"; - regulator-min-microvolt = <2900000>; - regulator-max-microvolt = <2900000>; - regulator-always-on; - regulator-boot-on; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + /* Unused */ + status = "disabled"; }; ldo3_reg: ldo3 { + /* VDDAPHY_MDM: vdda_lli */ regulator-name = "ldo3"; - regulator-min-microvolt = <3000000>; - regulator-max-microvolt = <3000000>; - regulator-always-on; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1500000>; regulator-boot-on; + /* Only if Modem is used */ + status = "disabled"; }; ldo4_reg: ldo4 { + /* VDDAPHY_DISP: vdda_dsiport/hdmi */ regulator-name = "ldo4"; - regulator-min-microvolt = <2200000>; - regulator-max-microvolt = <2200000>; - regulator-always-on; - regulator-boot-on; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1800000>; }; ldo5_reg: ldo5 { + /* VDDA_1V8_PHY: usb/sata/hdmi.. */ regulator-name = "ldo5"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -379,38 +386,43 @@ }; ldo6_reg: ldo6 { + /* VDDS_1V2_WKUP: hsic/ldo_emu_wkup */ regulator-name = "ldo6"; - regulator-min-microvolt = <1500000>; - regulator-max-microvolt = <1500000>; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; regulator-always-on; regulator-boot-on; }; ldo7_reg: ldo7 { + /* VDD_VPP: vpp1 */ regulator-name = "ldo7"; - regulator-min-microvolt = <1500000>; - regulator-max-microvolt = <1500000>; - regulator-always-on; - regulator-boot-on; + regulator-min-microvolt = <2000000>; + regulator-max-microvolt = <2000000>; + /* Only for efuse reprograming! */ + status = "disabled"; }; ldo8_reg: ldo8 { + /* VDD_3v0: Does not go anywhere */ regulator-name = "ldo8"; - regulator-min-microvolt = <1500000>; - regulator-max-microvolt = <1500000>; - regulator-always-on; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; regulator-boot-on; + /* Unused */ + status = "disabled"; }; ldo9_reg: ldo9 { + /* VCC_DV_SDIO: vdds_sdcard */ regulator-name = "ldo9"; regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3300000>; - regulator-always-on; + regulator-max-microvolt = <3000000>; regulator-boot-on; }; ldoln_reg: ldoln { + /* VDDA_1v8_REF: vdds_osc/mm_l4per.. */ regulator-name = "ldoln"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; @@ -419,12 +431,20 @@ }; ldousb_reg: ldousb { + /* VDDA_3V_USB: VDDA_USBHS33 */ regulator-name = "ldousb"; regulator-min-microvolt = <3250000>; regulator-max-microvolt = <3250000>; regulator-always-on; regulator-boot-on; }; + + regen3_reg: regen3 { + /* REGEN3 controls LDO9 supply to card */ + regulator-name = "regen3"; + regulator-always-on; + regulator-boot-on; + }; }; }; }; diff --git a/arch/arm/boot/dts/stih41x.dtsi b/arch/arm/boot/dts/stih41x.dtsi index 7321403..f5b9898 100644 --- a/arch/arm/boot/dts/stih41x.dtsi +++ b/arch/arm/boot/dts/stih41x.dtsi @@ -6,10 +6,12 @@ #address-cells = <1>; #size-cells = <0>; cpu@0 { + device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0>; }; cpu@1 { + device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <1>; }; diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi index 2fcb3f2..5592be6 100644 --- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi +++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi @@ -457,6 +457,7 @@ }; usb-phy@c5004000 { + status = "okay"; nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1) GPIO_ACTIVE_LOW>; }; diff --git a/arch/arm/include/asm/a.out-core.h b/arch/arm/include/asm/a.out-core.h deleted file mode 100644 index 92f10cb..0000000 --- a/arch/arm/include/asm/a.out-core.h +++ /dev/null @@ -1,45 +0,0 @@ -/* a.out coredump register dumper - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ - -#ifndef _ASM_A_OUT_CORE_H -#define _ASM_A_OUT_CORE_H - -#ifdef __KERNEL__ - -#include <linux/user.h> -#include <linux/elfcore.h> - -/* - * fill in the user structure for an a.out core dump - */ -static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) -{ - struct task_struct *tsk = current; - - dump->magic = CMAGIC; - dump->start_code = tsk->mm->start_code; - dump->start_stack = regs->ARM_sp & ~(PAGE_SIZE - 1); - - dump->u_tsize = (tsk->mm->end_code - tsk->mm->start_code) >> PAGE_SHIFT; - dump->u_dsize = (tsk->mm->brk - tsk->mm->start_data + PAGE_SIZE - 1) >> PAGE_SHIFT; - dump->u_ssize = 0; - - memset(dump->u_debugreg, 0, sizeof(dump->u_debugreg)); - - if (dump->start_stack < 0x04000000) - dump->u_ssize = (0x04000000 - dump->start_stack) >> PAGE_SHIFT; - - dump->regs = *regs; - dump->u_fpvalid = dump_fpu (regs, &dump->u_fp); -} - -#endif /* __KERNEL__ */ -#endif /* _ASM_A_OUT_CORE_H */ diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index 8c25dc4..9672e97 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -89,13 +89,18 @@ extern unsigned int processor_id; __val; \ }) +/* + * The memory clobber prevents gcc 4.5 from reordering the mrc before + * any is_smp() tests, which can cause undefined instruction aborts on + * ARM1136 r0 due to the missing extended CP15 registers. + */ #define read_cpuid_ext(ext_reg) \ ({ \ unsigned int __val; \ asm("mrc p15, 0, %0, c0, " ext_reg \ : "=r" (__val) \ : \ - : "cc"); \ + : "memory"); \ __val; \ }) diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index 38050b1..56211f2 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -130,4 +130,10 @@ struct mm_struct; extern unsigned long arch_randomize_brk(struct mm_struct *mm); #define arch_randomize_brk arch_randomize_brk +#ifdef CONFIG_MMU +#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 +struct linux_binprm; +int arch_setup_additional_pages(struct linux_binprm *, int); +#endif + #endif diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h index e3d5554..6f18da0 100644 --- a/arch/arm/include/asm/mmu.h +++ b/arch/arm/include/asm/mmu.h @@ -6,8 +6,11 @@ typedef struct { #ifdef CONFIG_CPU_HAS_ASID atomic64_t id; +#else + int switch_pending; #endif unsigned int vmalloc_seq; + unsigned long sigpage; } mm_context_t; #ifdef CONFIG_CPU_HAS_ASID diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h index b5792b7..9b32f76 100644 --- a/arch/arm/include/asm/mmu_context.h +++ b/arch/arm/include/asm/mmu_context.h @@ -56,7 +56,7 @@ static inline void check_and_switch_context(struct mm_struct *mm, * on non-ASID CPUs, the old mm will remain valid until the * finish_arch_post_lock_switch() call. */ - set_ti_thread_flag(task_thread_info(tsk), TIF_SWITCH_MM); + mm->context.switch_pending = 1; else cpu_switch_mm(mm->pgd, mm); } @@ -65,9 +65,21 @@ static inline void check_and_switch_context(struct mm_struct *mm, finish_arch_post_lock_switch static inline void finish_arch_post_lock_switch(void) { - if (test_and_clear_thread_flag(TIF_SWITCH_MM)) { - struct mm_struct *mm = current->mm; - cpu_switch_mm(mm->pgd, mm); + struct mm_struct *mm = current->mm; + + if (mm && mm->context.switch_pending) { + /* + * Preemption must be disabled during cpu_switch_mm() as we + * have some stateful cache flush implementations. Check + * switch_pending again in case we were preempted and the + * switch to this mm was already done. + */ + preempt_disable(); + if (mm->context.switch_pending) { + mm->context.switch_pending = 0; + cpu_switch_mm(mm->pgd, mm); + } + preempt_enable_no_resched(); } } diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h index 6363f3d..4355f0e 100644 --- a/arch/arm/include/asm/page.h +++ b/arch/arm/include/asm/page.h @@ -142,7 +142,9 @@ extern void __cpu_copy_user_highpage(struct page *to, struct page *from, #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) extern void copy_page(void *to, const void *from); +#ifdef CONFIG_KUSER_HELPERS #define __HAVE_ARCH_GATE_AREA 1 +#endif #ifdef CONFIG_ARM_LPAE #include <asm/pgtable-3level-types.h> diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h index 06e7d50..413f387 100644 --- a/arch/arm/include/asm/processor.h +++ b/arch/arm/include/asm/processor.h @@ -54,7 +54,6 @@ struct thread_struct { #define start_thread(regs,pc,sp) \ ({ \ - unsigned long *stack = (unsigned long *)sp; \ memset(regs->uregs, 0, sizeof(regs->uregs)); \ if (current->personality & ADDR_LIMIT_32BIT) \ regs->ARM_cpsr = USR_MODE; \ @@ -65,9 +64,6 @@ struct thread_struct { regs->ARM_cpsr |= PSR_ENDSTATE; \ regs->ARM_pc = pc & ~1; /* pc */ \ regs->ARM_sp = sp; /* sp */ \ - regs->ARM_r2 = stack[2]; /* r2 (envp) */ \ - regs->ARM_r1 = stack[1]; /* r1 (argv) */ \ - regs->ARM_r0 = stack[0]; /* r0 (argc) */ \ nommu_start_thread(regs); \ }) diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h index 6462a72..a252c0b 100644 --- a/arch/arm/include/asm/smp_plat.h +++ b/arch/arm/include/asm/smp_plat.h @@ -88,4 +88,7 @@ static inline u32 mpidr_hash_size(void) { return 1 << mpidr_hash.bits; } + +extern int platform_can_cpu_hotplug(void); + #endif diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h index f8b8965..b07c09e 100644 --- a/arch/arm/include/asm/spinlock.h +++ b/arch/arm/include/asm/spinlock.h @@ -107,7 +107,7 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) " subs %1, %0, %0, ror #16\n" " addeq %0, %0, %4\n" " strexeq %2, %0, [%3]" - : "=&r" (slock), "=&r" (contended), "=r" (res) + : "=&r" (slock), "=&r" (contended), "=&r" (res) : "r" (&lock->slock), "I" (1 << TICKET_SHIFT) : "cc"); } while (res); @@ -168,17 +168,20 @@ static inline void arch_write_lock(arch_rwlock_t *rw) static inline int arch_write_trylock(arch_rwlock_t *rw) { - unsigned long tmp; + unsigned long contended, res; - __asm__ __volatile__( -" ldrex %0, [%1]\n" -" teq %0, #0\n" -" strexeq %0, %2, [%1]" - : "=&r" (tmp) - : "r" (&rw->lock), "r" (0x80000000) - : "cc"); + do { + __asm__ __volatile__( + " ldrex %0, [%2]\n" + " mov %1, #0\n" + " teq %0, #0\n" + " strexeq %1, %3, [%2]" + : "=&r" (contended), "=&r" (res) + : "r" (&rw->lock), "r" (0x80000000) + : "cc"); + } while (res); - if (tmp == 0) { + if (!contended) { smp_mb(); return 1; } else { @@ -254,18 +257,26 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) static inline int arch_read_trylock(arch_rwlock_t *rw) { - unsigned long tmp, tmp2 = 1; + unsigned long contended, res; - __asm__ __volatile__( -" ldrex %0, [%2]\n" -" adds %0, %0, #1\n" -" strexpl %1, %0, [%2]\n" - : "=&r" (tmp), "+r" (tmp2) - : "r" (&rw->lock) - : "cc"); + do { + __asm__ __volatile__( + " ldrex %0, [%2]\n" + " mov %1, #0\n" + " adds %0, %0, #1\n" + " strexpl %1, %0, [%2]" + : "=&r" (contended), "=&r" (res) + : "r" (&rw->lock) + : "cc"); + } while (res); - smp_mb(); - return tmp2 == 0; + /* If the lock is negative, then it is already held for write. */ + if (contended < 0x80000000) { + smp_mb(); + return 1; + } else { + return 0; + } } /* read_can_lock - would read_trylock() succeed? */ diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index 214d415..2b8114f 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -156,7 +156,6 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define TIF_USING_IWMMXT 17 #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 20 -#define TIF_SWITCH_MM 22 /* deferred switch_mm */ #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index 46e7cfb..0baf7f0 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -43,6 +43,7 @@ struct mmu_gather { struct mm_struct *mm; unsigned int fullmm; struct vm_area_struct *vma; + unsigned long start, end; unsigned long range_start; unsigned long range_end; unsigned int nr; @@ -107,10 +108,12 @@ static inline void tlb_flush_mmu(struct mmu_gather *tlb) } static inline void -tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int fullmm) +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end) { tlb->mm = mm; - tlb->fullmm = fullmm; + tlb->fullmm = !(start | (end+1)); + tlb->start = start; + tlb->end = end; tlb->vma = NULL; tlb->max = ARRAY_SIZE(tlb->local); tlb->pages = tlb->local; diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h index fdbb9e3..f467e9b 100644 --- a/arch/arm/include/asm/tlbflush.h +++ b/arch/arm/include/asm/tlbflush.h @@ -443,7 +443,18 @@ static inline void local_flush_bp_all(void) isb(); } +#include <asm/cputype.h> #ifdef CONFIG_ARM_ERRATA_798181 +static inline int erratum_a15_798181(void) +{ + unsigned int midr = read_cpuid_id(); + + /* Cortex-A15 r0p0..r3p2 affected */ + if ((midr & 0xff0ffff0) != 0x410fc0f0 || midr > 0x413fc0f2) + return 0; + return 1; +} + static inline void dummy_flush_tlb_a15_erratum(void) { /* @@ -453,6 +464,11 @@ static inline void dummy_flush_tlb_a15_erratum(void) dsb(); } #else +static inline int erratum_a15_798181(void) +{ + return 0; +} + static inline void dummy_flush_tlb_a15_erratum(void) { } diff --git a/arch/arm/include/asm/virt.h b/arch/arm/include/asm/virt.h index 50af92b..4371f45 100644 --- a/arch/arm/include/asm/virt.h +++ b/arch/arm/include/asm/virt.h @@ -29,6 +29,7 @@ #define BOOT_CPU_MODE_MISMATCH PSR_N_BIT #ifndef __ASSEMBLY__ +#include <asm/cacheflush.h> #ifdef CONFIG_ARM_VIRT_EXT /* @@ -41,10 +42,21 @@ */ extern int __boot_cpu_mode; +static inline void sync_boot_mode(void) +{ + /* + * As secondaries write to __boot_cpu_mode with caches disabled, we + * must flush the corresponding cache entries to ensure the visibility + * of their writes. + */ + sync_cache_r(&__boot_cpu_mode); +} + void __hyp_set_vectors(unsigned long phys_vector_base); unsigned long __hyp_get_vectors(void); #else #define __boot_cpu_mode (SVC_MODE) +#define sync_boot_mode() #endif #ifndef ZIMAGE diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild index 47bcb2d..18d76fd 100644 --- a/arch/arm/include/uapi/asm/Kbuild +++ b/arch/arm/include/uapi/asm/Kbuild @@ -1,7 +1,6 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm -header-y += a.out.h header-y += byteorder.h header-y += fcntl.h header-y += hwcap.h diff --git a/arch/arm/include/uapi/asm/a.out.h b/arch/arm/include/uapi/asm/a.out.h deleted file mode 100644 index 083894b..0000000 --- a/arch/arm/include/uapi/asm/a.out.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef __ARM_A_OUT_H__ -#define __ARM_A_OUT_H__ - -#include <linux/personality.h> -#include <linux/types.h> - -struct exec -{ - __u32 a_info; /* Use macros N_MAGIC, etc for access */ - __u32 a_text; /* length of text, in bytes */ - __u32 a_data; /* length of data, in bytes */ - __u32 a_bss; /* length of uninitialized data area for file, in bytes */ - __u32 a_syms; /* length of symbol table data in file, in bytes */ - __u32 a_entry; /* start address */ - __u32 a_trsize; /* length of relocation info for text, in bytes */ - __u32 a_drsize; /* length of relocation info for data, in bytes */ -}; - -/* - * This is always the same - */ -#define N_TXTADDR(a) (0x00008000) - -#define N_TRSIZE(a) ((a).a_trsize) -#define N_DRSIZE(a) ((a).a_drsize) -#define N_SYMSIZE(a) ((a).a_syms) - -#define M_ARM 103 - -#ifndef LIBRARY_START_TEXT -#define LIBRARY_START_TEXT (0x00c00000) -#endif - -#endif /* __A_OUT_GNU_H__ */ diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index a39cfc2a1..9cbe70c 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -357,7 +357,8 @@ ENDPROC(__pabt_svc) .endm .macro kuser_cmpxchg_check -#if !defined(CONFIG_CPU_32v6K) && !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG) +#if !defined(CONFIG_CPU_32v6K) && defined(CONFIG_KUSER_HELPERS) && \ + !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG) #ifndef CONFIG_MMU #warning "NPTL on non MMU needs fixing" #else @@ -742,6 +743,18 @@ ENDPROC(__switch_to) #endif .endm + .macro kuser_pad, sym, size + .if (. - \sym) & 3 + .rept 4 - (. - \sym) & 3 + .byte 0 + .endr + .endif + .rept (\size - (. - \sym)) / 4 + .word 0xe7fddef1 + .endr + .endm + +#ifdef CONFIG_KUSER_HELPERS .align 5 .globl __kuser_helper_start __kuser_helper_start: @@ -832,18 +845,13 @@ kuser_cmpxchg64_fixup: #error "incoherent kernel configuration" #endif - /* pad to next slot */ - .rept (16 - (. - __kuser_cmpxchg64)/4) - .word 0 - .endr - - .align 5 + kuser_pad __kuser_cmpxchg64, 64 __kuser_memory_barrier: @ 0xffff0fa0 smp_dmb arm usr_ret lr - .align 5 + kuser_pad __kuser_memory_barrier, 32 __kuser_cmpxchg: @ 0xffff0fc0 @@ -916,13 +924,14 @@ kuser_cmpxchg32_fixup: #endif - .align 5 + kuser_pad __kuser_cmpxchg, 32 __kuser_get_tls: @ 0xffff0fe0 ldr r0, [pc, #(16 - 8)] @ read TLS, set in kuser_get_tls_init usr_ret lr mrc p15, 0, r0, c13, c0, 3 @ 0xffff0fe8 hardware TLS code - .rep 4 + kuser_pad __kuser_get_tls, 16 + .rep 3 .word 0 @ 0xffff0ff0 software TLS value, then .endr @ pad up to __kuser_helper_version @@ -932,14 +941,16 @@ __kuser_helper_version: @ 0xffff0ffc .globl __kuser_helper_end __kuser_helper_end: +#endif + THUMB( .thumb ) /* * Vector stubs. * - * This code is copied to 0xffff0200 so we can use branches in the - * vectors, rather than ldr's. Note that this code must not - * exceed 0x300 bytes. + * This code is copied to 0xffff1000 so we can use branches in the + * vectors, rather than ldr's. Note that this code must not exceed + * a page size. * * Common stub entry macro: * Enter in IRQ mode, spsr = SVC/USR CPSR, lr = SVC/USR PC @@ -986,8 +997,17 @@ ENDPROC(vector_\name) 1: .endm - .globl __stubs_start + .section .stubs, "ax", %progbits __stubs_start: + @ This must be the first word + .word vector_swi + +vector_rst: + ARM( swi SYS_ERROR0 ) + THUMB( svc #0 ) + THUMB( nop ) + b vector_und + /* * Interrupt dispatcher */ @@ -1082,6 +1102,16 @@ __stubs_start: .align 5 /*============================================================================= + * Address exception handler + *----------------------------------------------------------------------------- + * These aren't too critical. + * (they're not supposed to happen, and won't happen in 32-bit data mode). + */ + +vector_addrexcptn: + b vector_addrexcptn + +/*============================================================================= * Undefined FIQs *----------------------------------------------------------------------------- * Enter in FIQ mode, spsr = ANY CPSR, lr = ANY PC @@ -1094,45 +1124,19 @@ __stubs_start: vector_fiq: subs pc, lr, #4 -/*============================================================================= - * Address exception handler - *----------------------------------------------------------------------------- - * These aren't too critical. - * (they're not supposed to happen, and won't happen in 32-bit data mode). - */ - -vector_addrexcptn: - b vector_addrexcptn - -/* - * We group all the following data together to optimise - * for CPUs with separate I & D caches. - */ - .align 5 - -.LCvswi: - .word vector_swi - - .globl __stubs_end -__stubs_end: - - .equ stubs_offset, __vectors_start + 0x200 - __stubs_start + .globl vector_fiq_offset + .equ vector_fiq_offset, vector_fiq - .globl __vectors_start + .section .vectors, "ax", %progbits __vectors_start: - ARM( swi SYS_ERROR0 ) - THUMB( svc #0 ) - THUMB( nop ) - W(b) vector_und + stubs_offset - W(ldr) pc, .LCvswi + stubs_offset - W(b) vector_pabt + stubs_offset - W(b) vector_dabt + stubs_offset - W(b) vector_addrexcptn + stubs_offset - W(b) vector_irq + stubs_offset - W(b) vector_fiq + stubs_offset - - .globl __vectors_end -__vectors_end: + W(b) vector_rst + W(b) vector_und + W(ldr) pc, __vectors_start + 0x1000 + W(b) vector_pabt + W(b) vector_dabt + W(b) vector_addrexcptn + W(b) vector_irq + W(b) vector_fiq .data diff --git a/arch/arm/kernel/entry-v7m.S b/arch/arm/kernel/entry-v7m.S index e00621f..52b2643 100644 --- a/arch/arm/kernel/entry-v7m.S +++ b/arch/arm/kernel/entry-v7m.S @@ -49,7 +49,7 @@ __irq_entry: mov r1, sp stmdb sp!, {lr} @ routine called with r0 = irq number, r1 = struct pt_regs * - bl nvic_do_IRQ + bl nvic_handle_irq pop {lr} @ diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c index 2adda11..fc79202 100644 --- a/arch/arm/kernel/fiq.c +++ b/arch/arm/kernel/fiq.c @@ -47,6 +47,11 @@ #include <asm/irq.h> #include <asm/traps.h> +#define FIQ_OFFSET ({ \ + extern void *vector_fiq_offset; \ + (unsigned)&vector_fiq_offset; \ + }) + static unsigned long no_fiq_insn; /* Default reacquire function @@ -79,14 +84,13 @@ int show_fiq_list(struct seq_file *p, int prec) void set_fiq_handler(void *start, unsigned int length) { -#if defined(CONFIG_CPU_USE_DOMAINS) - memcpy((void *)0xffff001c, start, length); -#else - memcpy(vectors_page + 0x1c, start, length); -#endif - flush_icache_range(0xffff001c, 0xffff001c + length); - if (!vectors_high()) - flush_icache_range(0x1c, 0x1c + length); + void *base = vectors_page; + unsigned offset = FIQ_OFFSET; + + memcpy(base + offset, start, length); + if (!cache_is_vipt_nonaliasing()) + flush_icache_range(base + offset, offset + length); + flush_icache_range(0xffff0000 + offset, 0xffff0000 + offset + length); } int claim_fiq(struct fiq_handler *f) @@ -144,6 +148,7 @@ EXPORT_SYMBOL(disable_fiq); void __init init_FIQ(int start) { - no_fiq_insn = *(unsigned long *)0xffff001c; + unsigned offset = FIQ_OFFSET; + no_fiq_insn = *(unsigned long *)(0xffff0000 + offset); fiq_start = start; } diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index b361de1..14235ba 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -87,6 +87,7 @@ ENTRY(stext) ENDPROC(stext) #ifdef CONFIG_SMP + .text ENTRY(secondary_startup) /* * Common entry point for secondary CPUs. diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 9cf6063..2c7cc1e 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -343,6 +343,7 @@ __turn_mmu_on_loc: .long __turn_mmu_on_end #if defined(CONFIG_SMP) + .text ENTRY(secondary_startup) /* * Common entry point for secondary CPUs. diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S index 4910232..797b1a6 100644 --- a/arch/arm/kernel/hyp-stub.S +++ b/arch/arm/kernel/hyp-stub.S @@ -56,8 +56,8 @@ ENTRY(__boot_cpu_mode) ldr \reg3, [\reg2] ldr \reg1, [\reg2, \reg3] cmp \mode, \reg1 @ matches primary CPU boot mode? - orrne r7, r7, #BOOT_CPU_MODE_MISMATCH - strne r7, [r5, r6] @ record what happened and give up + orrne \reg1, \reg1, #BOOT_CPU_MODE_MISMATCH + strne \reg1, [\reg2, \reg3] @ record what happened and give up .endm #else /* ZIMAGE */ diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 4fb074c..d7c82df 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -15,6 +15,7 @@ #include <asm/mmu_context.h> #include <asm/cacheflush.h> #include <asm/mach-types.h> +#include <asm/smp_plat.h> #include <asm/system_misc.h> extern const unsigned char relocate_new_kernel[]; @@ -39,6 +40,14 @@ int machine_kexec_prepare(struct kimage *image) int i, err; /* + * Validate that if the current HW supports SMP, then the SW supports + * and implements CPU hotplug for the current HW. If not, we won't be + * able to kexec reliably, so fail the prepare operation. + */ + if (num_possible_cpus() > 1 && !platform_can_cpu_hotplug()) + return -EINVAL; + + /* * No segment at default ATAGs address. try to locate * a dtb using magic. */ @@ -134,10 +143,13 @@ void machine_kexec(struct kimage *image) unsigned long reboot_code_buffer_phys; void *reboot_code_buffer; - if (num_online_cpus() > 1) { - pr_err("kexec: error: multiple CPUs still online\n"); - return; - } + /* + * This can only happen if machine_shutdown() failed to disable some + * CPU, and that can only happen if the checks in + * machine_kexec_prepare() were not correct. If this fails, we can't + * reliably kexec anyway, so BUG_ON is appropriate. + */ + BUG_ON(num_online_cpus() > 1); page_list = image->head & PAGE_MASK; diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index d9f5cd4..e186ee1 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -53,7 +53,12 @@ armpmu_map_cache_event(const unsigned (*cache_map) static int armpmu_map_hw_event(const unsigned (*event_map)[PERF_COUNT_HW_MAX], u64 config) { - int mapping = (*event_map)[config]; + int mapping; + + if (config >= PERF_COUNT_HW_MAX) + return -EINVAL; + + mapping = (*event_map)[config]; return mapping == HW_OP_UNSUPPORTED ? -ENOENT : mapping; } @@ -253,6 +258,9 @@ validate_event(struct pmu_hw_events *hw_events, struct arm_pmu *armpmu = to_arm_pmu(event->pmu); struct pmu *leader_pmu = event->group_leader->pmu; + if (is_software_event(event)) + return 1; + if (event->pmu != leader_pmu || event->state < PERF_EVENT_STATE_OFF) return 1; diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index d3ca4f6..94f6b05 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -197,6 +197,7 @@ void machine_shutdown(void) */ void machine_halt(void) { + local_irq_disable(); smp_send_stop(); local_irq_disable(); @@ -211,6 +212,7 @@ void machine_halt(void) */ void machine_power_off(void) { + local_irq_disable(); smp_send_stop(); if (pm_power_off) @@ -230,6 +232,7 @@ void machine_power_off(void) */ void machine_restart(char *cmd) { + local_irq_disable(); smp_send_stop(); arm_pm_restart(reboot_mode, cmd); @@ -426,10 +429,11 @@ unsigned long arch_randomize_brk(struct mm_struct *mm) } #ifdef CONFIG_MMU +#ifdef CONFIG_KUSER_HELPERS /* * The vectors page is always readable from user space for the - * atomic helpers and the signal restart code. Insert it into the - * gate_vma so that it is visible through ptrace and /proc/<pid>/mem. + * atomic helpers. Insert it into the gate_vma so that it is visible + * through ptrace and /proc/<pid>/mem. */ static struct vm_area_struct gate_vma = { .vm_start = 0xffff0000, @@ -458,9 +462,48 @@ int in_gate_area_no_mm(unsigned long addr) { return in_gate_area(NULL, addr); } +#define is_gate_vma(vma) ((vma) == &gate_vma) +#else +#define is_gate_vma(vma) 0 +#endif const char *arch_vma_name(struct vm_area_struct *vma) { - return (vma == &gate_vma) ? "[vectors]" : NULL; + return is_gate_vma(vma) ? "[vectors]" : + (vma->vm_mm && vma->vm_start == vma->vm_mm->context.sigpage) ? + "[sigpage]" : NULL; +} + +static struct page *signal_page; +extern struct page *get_signal_page(void); + +int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) +{ + struct mm_struct *mm = current->mm; + unsigned long addr; + int ret; + + if (!signal_page) + signal_page = get_signal_page(); + if (!signal_page) + return -ENOMEM; + + down_write(&mm->mmap_sem); + addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0); + if (IS_ERR_VALUE(addr)) { + ret = addr; + goto up_fail; + } + + ret = install_special_mapping(mm, addr, PAGE_SIZE, + VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC, + &signal_page); + + if (ret == 0) + mm->context.sigpage = addr; + + up_fail: + up_write(&mm->mmap_sem); + return ret; } #endif diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 63af9a7..afc2489 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -836,6 +836,8 @@ static int __init meminfo_cmp(const void *_a, const void *_b) void __init hyp_mode_check(void) { #ifdef CONFIG_ARM_VIRT_EXT + sync_boot_mode(); + if (is_hyp_mode_available()) { pr_info("CPU: All CPU(s) started in HYP mode.\n"); pr_info("CPU: Virtualization extensions available.\n"); @@ -971,6 +973,7 @@ static const char *hwcap_str[] = { "vfpv4", "idiva", "idivt", + "vfpd32", "lpae", NULL }; diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 1c16c35..ab33042 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -8,6 +8,7 @@ * published by the Free Software Foundation. */ #include <linux/errno.h> +#include <linux/random.h> #include <linux/signal.h> #include <linux/personality.h> #include <linux/uaccess.h> @@ -15,12 +16,11 @@ #include <asm/elf.h> #include <asm/cacheflush.h> +#include <asm/traps.h> #include <asm/ucontext.h> #include <asm/unistd.h> #include <asm/vfp.h> -#include "signal.h" - /* * For ARM syscalls, we encode the syscall number into the instruction. */ @@ -40,11 +40,13 @@ #define SWI_THUMB_SIGRETURN (0xdf00 << 16 | 0x2700 | (__NR_sigreturn - __NR_SYSCALL_BASE)) #define SWI_THUMB_RT_SIGRETURN (0xdf00 << 16 | 0x2700 | (__NR_rt_sigreturn - __NR_SYSCALL_BASE)) -const unsigned long sigreturn_codes[7] = { +static const unsigned long sigreturn_codes[7] = { MOV_R7_NR_SIGRETURN, SWI_SYS_SIGRETURN, SWI_THUMB_SIGRETURN, MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN, }; +static unsigned long signal_return_offset; + #ifdef CONFIG_CRUNCH static int preserve_crunch_context(struct crunch_sigframe __user *frame) { @@ -400,14 +402,20 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig, __put_user(sigreturn_codes[idx+1], rc+1)) return 1; - if ((cpsr & MODE32_BIT) && !IS_ENABLED(CONFIG_ARM_MPU)) { +#ifdef CONFIG_MMU + if (cpsr & MODE32_BIT) { + struct mm_struct *mm = current->mm; + /* - * 32-bit code can use the new high-page - * signal return code support except when the MPU has - * protected the vectors page from PL0 + * 32-bit code can use the signal return page + * except when the MPU has protected the vectors + * page from PL0 */ - retcode = KERN_SIGRETURN_CODE + (idx << 2) + thumb; - } else { + retcode = mm->context.sigpage + signal_return_offset + + (idx << 2) + thumb; + } else +#endif + { /* * Ensure that the instruction cache sees * the return code written onto the stack. @@ -608,3 +616,33 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) } while (thread_flags & _TIF_WORK_MASK); return 0; } + +struct page *get_signal_page(void) +{ + unsigned long ptr; + unsigned offset; + struct page *page; + void *addr; + + page = alloc_pages(GFP_KERNEL, 0); + + if (!page) + return NULL; + + addr = page_address(page); + + /* Give the signal return code some randomness */ + offset = 0x200 + (get_random_int() & 0x7fc); + signal_return_offset = offset; + + /* + * Copy signal return handlers into the vector page, and + * set sigreturn to be a pointer to these. + */ + memcpy(addr + offset, sigreturn_codes, sizeof(sigreturn_codes)); + + ptr = (unsigned long)addr + offset; + flush_icache_range(ptr, ptr + sizeof(sigreturn_codes)); + + return page; +} diff --git a/arch/arm/kernel/signal.h b/arch/arm/kernel/signal.h deleted file mode 100644 index 5ff067b7..0000000 --- a/arch/arm/kernel/signal.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * linux/arch/arm/kernel/signal.h - * - * Copyright (C) 2005-2009 Russell King. - * - * 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 KERN_SIGRETURN_CODE (CONFIG_VECTORS_BASE + 0x00000500) - -extern const unsigned long sigreturn_codes[7]; diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index c2b4f8f..2dc1934 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -145,6 +145,16 @@ int boot_secondary(unsigned int cpu, struct task_struct *idle) return -ENOSYS; } +int platform_can_cpu_hotplug(void) +{ +#ifdef CONFIG_HOTPLUG_CPU + if (smp_ops.cpu_kill) + return 1; +#endif + + return 0; +} + #ifdef CONFIG_HOTPLUG_CPU static void percpu_timer_stop(void); diff --git a/arch/arm/kernel/smp_tlb.c b/arch/arm/kernel/smp_tlb.c index a98b62d..c2edfff 100644 --- a/arch/arm/kernel/smp_tlb.c +++ b/arch/arm/kernel/smp_tlb.c @@ -70,23 +70,6 @@ static inline void ipi_flush_bp_all(void *ignored) local_flush_bp_all(); } -#ifdef CONFIG_ARM_ERRATA_798181 -static int erratum_a15_798181(void) -{ - unsigned int midr = read_cpuid_id(); - - /* Cortex-A15 r0p0..r3p2 affected */ - if ((midr & 0xff0ffff0) != 0x410fc0f0 || midr > 0x413fc0f2) - return 0; - return 1; -} -#else -static int erratum_a15_798181(void) -{ - return 0; -} -#endif - static void ipi_flush_tlb_a15_erratum(void *arg) { dmb(); diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index cab094c..ab517fc 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -35,8 +35,6 @@ #include <asm/tls.h> #include <asm/system_misc.h> -#include "signal.h" - static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" }; void *vectors_page; @@ -800,15 +798,26 @@ void __init trap_init(void) return; } -static void __init kuser_get_tls_init(unsigned long vectors) +#ifdef CONFIG_KUSER_HELPERS +static void __init kuser_init(void *vectors) { + extern char __kuser_helper_start[], __kuser_helper_end[]; + int kuser_sz = __kuser_helper_end - __kuser_helper_start; + + memcpy(vectors + 0x1000 - kuser_sz, __kuser_helper_start, kuser_sz); + /* * vectors + 0xfe0 = __kuser_get_tls * vectors + 0xfe8 = hardware TLS instruction at 0xffff0fe8 */ if (tls_emu || has_tls_reg) - memcpy((void *)vectors + 0xfe0, (void *)vectors + 0xfe8, 4); + memcpy(vectors + 0xfe0, vectors + 0xfe8, 4); } +#else +static void __init kuser_init(void *vectors) +{ +} +#endif void __init early_trap_init(void *vectors_base) { @@ -816,33 +825,30 @@ void __init early_trap_init(void *vectors_base) unsigned long vectors = (unsigned long)vectors_base; extern char __stubs_start[], __stubs_end[]; extern char __vectors_start[], __vectors_end[]; - extern char __kuser_helper_start[], __kuser_helper_end[]; - int kuser_sz = __kuser_helper_end - __kuser_helper_start; + unsigned i; vectors_page = vectors_base; /* + * Poison the vectors page with an undefined instruction. This + * instruction is chosen to be undefined for both ARM and Thumb + * ISAs. The Thumb version is an undefined instruction with a + * branch back to the undefined instruction. + */ + for (i = 0; i < PAGE_SIZE / sizeof(u32); i++) + ((u32 *)vectors_base)[i] = 0xe7fddef1; + + /* * Copy the vectors, stubs and kuser helpers (in entry-armv.S) * into the vector page, mapped at 0xffff0000, and ensure these * are visible to the instruction stream. */ memcpy((void *)vectors, __vectors_start, __vectors_end - __vectors_start); - memcpy((void *)vectors + 0x200, __stubs_start, __stubs_end - __stubs_start); - memcpy((void *)vectors + 0x1000 - kuser_sz, __kuser_helper_start, kuser_sz); + memcpy((void *)vectors + 0x1000, __stubs_start, __stubs_end - __stubs_start); - /* - * Do processor specific fixups for the kuser helpers - */ - kuser_get_tls_init(vectors); - - /* - * Copy signal return handlers into the vector page, and - * set sigreturn to be a pointer to these. - */ - memcpy((void *)(vectors + KERN_SIGRETURN_CODE - CONFIG_VECTORS_BASE), - sigreturn_codes, sizeof(sigreturn_codes)); + kuser_init(vectors_base); - flush_icache_range(vectors, vectors + PAGE_SIZE); + flush_icache_range(vectors, vectors + PAGE_SIZE * 2); modify_domain(DOMAIN_USER, DOMAIN_CLIENT); #else /* ifndef CONFIG_CPU_V7M */ /* diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index fa25e4e..7bcee5c 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -148,6 +148,23 @@ SECTIONS . = ALIGN(PAGE_SIZE); __init_begin = .; #endif + /* + * The vectors and stubs are relocatable code, and the + * only thing that matters is their relative offsets + */ + __vectors_start = .; + .vectors 0 : AT(__vectors_start) { + *(.vectors) + } + . = __vectors_start + SIZEOF(.vectors); + __vectors_end = .; + + __stubs_start = .; + .stubs 0x1000 : AT(__stubs_start) { + *(.stubs) + } + . = __stubs_start + SIZEOF(.stubs); + __stubs_end = .; INIT_TEXT_SECTION(8) .exit.text : { diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig index 614e41e..905efc8 100644 --- a/arch/arm/mach-msm/Kconfig +++ b/arch/arm/mach-msm/Kconfig @@ -121,8 +121,7 @@ config MSM_SMD bool config MSM_GPIOMUX - depends on !(ARCH_MSM8X60 || ARCH_MSM8960) - bool "MSM V1 TLMM GPIOMUX architecture" + bool help Support for MSM V1 TLMM GPIOMUX architecture. diff --git a/arch/arm/mach-msm/gpiomux-v1.c b/arch/arm/mach-msm/gpiomux-v1.c deleted file mode 100644 index 27de2ab..0000000 --- a/arch/arm/mach-msm/gpiomux-v1.c +++ /dev/null @@ -1,33 +0,0 @@ -/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ -#include <linux/kernel.h> -#include "gpiomux.h" -#include "proc_comm.h" - -void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val) -{ - unsigned tlmm_config = (val & ~GPIOMUX_CTL_MASK) | - ((gpio & 0x3ff) << 4); - unsigned tlmm_disable = 0; - int rc; - - rc = msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, - &tlmm_config, &tlmm_disable); - if (rc) - pr_err("%s: unexpected proc_comm failure %d: %08x %08x\n", - __func__, rc, tlmm_config, tlmm_disable); -} diff --git a/arch/arm/mach-msm/gpiomux.h b/arch/arm/mach-msm/gpiomux.h index 8e82f41..4410d77 100644 --- a/arch/arm/mach-msm/gpiomux.h +++ b/arch/arm/mach-msm/gpiomux.h @@ -73,16 +73,6 @@ extern struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS]; int msm_gpiomux_write(unsigned gpio, gpiomux_config_t active, gpiomux_config_t suspended); - -/* Architecture-internal function for use by the framework only. - * This function can assume the following: - * - the gpio value has passed a bounds-check - * - the gpiomux spinlock has been obtained - * - * This function is not for public consumption. External users - * should use msm_gpiomux_write. - */ -void __msm_gpiomux_write(unsigned gpio, gpiomux_config_t val); #else static inline int msm_gpiomux_write(unsigned gpio, gpiomux_config_t active, diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c index 393aeef..043e570 100644 --- a/arch/arm/mach-omap2/dss-common.c +++ b/arch/arm/mach-omap2/dss-common.c @@ -42,7 +42,7 @@ /* Using generic display panel */ static struct tfp410_platform_data omap4_dvi_panel = { - .i2c_bus_num = 3, + .i2c_bus_num = 2, .power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO, }; diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index 5cc9287..f99f68e 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -129,6 +129,7 @@ static int omap_device_build_from_dt(struct platform_device *pdev) struct device_node *node = pdev->dev.of_node; const char *oh_name; int oh_cnt, i, ret = 0; + bool device_active = false; oh_cnt = of_property_count_strings(node, "ti,hwmods"); if (oh_cnt <= 0) { @@ -152,6 +153,8 @@ static int omap_device_build_from_dt(struct platform_device *pdev) goto odbfd_exit1; } hwmods[i] = oh; + if (oh->flags & HWMOD_INIT_NO_IDLE) + device_active = true; } od = omap_device_alloc(pdev, hwmods, oh_cnt); @@ -172,6 +175,11 @@ static int omap_device_build_from_dt(struct platform_device *pdev) pdev->dev.pm_domain = &omap_device_pm_domain; + if (device_active) { + omap_device_enable(pdev); + pm_runtime_set_active(&pdev->dev); + } + odbfd_exit1: kfree(hwmods); odbfd_exit: @@ -842,6 +850,7 @@ static int __init omap_device_late_idle(struct device *dev, void *data) { struct platform_device *pdev = to_platform_device(dev); struct omap_device *od = to_omap_device(pdev); + int i; if (!od) return 0; @@ -850,6 +859,15 @@ static int __init omap_device_late_idle(struct device *dev, void *data) * If omap_device state is enabled, but has no driver bound, * idle it. */ + + /* + * Some devices (like memory controllers) are always kept + * enabled, and should not be idled even with no drivers. + */ + for (i = 0; i < od->hwmods_cnt; i++) + if (od->hwmods[i]->flags & HWMOD_INIT_NO_IDLE) + return 0; + if (od->_driver_status != BUS_NOTIFY_BOUND_DRIVER) { if (od->_state == OMAP_DEVICE_STATE_ENABLED) { dev_warn(dev, "%s: enabled but no driver. Idling\n", diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 7341eff..7f4db12 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2386,7 +2386,7 @@ static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh); if (np) - va_start = of_iomap(np, 0); + va_start = of_iomap(np, oh->mpu_rt_idx); } else { va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start); } diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index aab33fd..e1482a9 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -95,6 +95,54 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type3; #define MODULEMODE_HWCTRL 1 #define MODULEMODE_SWCTRL 2 +#define DEBUG_OMAP2UART1_FLAGS 0 +#define DEBUG_OMAP2UART2_FLAGS 0 +#define DEBUG_OMAP2UART3_FLAGS 0 +#define DEBUG_OMAP3UART3_FLAGS 0 +#define DEBUG_OMAP3UART4_FLAGS 0 +#define DEBUG_OMAP4UART3_FLAGS 0 +#define DEBUG_OMAP4UART4_FLAGS 0 +#define DEBUG_TI81XXUART1_FLAGS 0 +#define DEBUG_TI81XXUART2_FLAGS 0 +#define DEBUG_TI81XXUART3_FLAGS 0 +#define DEBUG_AM33XXUART1_FLAGS 0 + +#define DEBUG_OMAPUART_FLAGS (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET) + +#if defined(CONFIG_DEBUG_OMAP2UART1) +#undef DEBUG_OMAP2UART1_FLAGS +#define DEBUG_OMAP2UART1_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_OMAP2UART2) +#undef DEBUG_OMAP2UART2_FLAGS +#define DEBUG_OMAP2UART2_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_OMAP2UART3) +#undef DEBUG_OMAP2UART3_FLAGS +#define DEBUG_OMAP2UART3_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_OMAP3UART3) +#undef DEBUG_OMAP3UART3_FLAGS +#define DEBUG_OMAP3UART3_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_OMAP3UART4) +#undef DEBUG_OMAP3UART4_FLAGS +#define DEBUG_OMAP3UART4_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_OMAP4UART3) +#undef DEBUG_OMAP4UART3_FLAGS +#define DEBUG_OMAP4UART3_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_OMAP4UART4) +#undef DEBUG_OMAP4UART4_FLAGS +#define DEBUG_OMAP4UART4_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_TI81XXUART1) +#undef DEBUG_TI81XXUART1_FLAGS +#define DEBUG_TI81XXUART1_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_TI81XXUART2) +#undef DEBUG_TI81XXUART2_FLAGS +#define DEBUG_TI81XXUART2_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_TI81XXUART3) +#undef DEBUG_TI81XXUART3_FLAGS +#define DEBUG_TI81XXUART3_FLAGS DEBUG_OMAPUART_FLAGS +#elif defined(CONFIG_DEBUG_AM33XXUART1) +#undef DEBUG_AM33XXUART1_FLAGS +#define DEBUG_AM33XXUART1_FLAGS DEBUG_OMAPUART_FLAGS +#endif /** * struct omap_hwmod_mux_info - hwmod specific mux configuration @@ -568,6 +616,7 @@ struct omap_hwmod_link { * @voltdm: pointer to voltage domain (filled in at runtime) * @dev_attr: arbitrary device attributes that can be passed to the driver * @_sysc_cache: internal-use hwmod flags + * @mpu_rt_idx: index of device address space for register target (for DT boot) * @_mpu_rt_va: cached register target start address (internal use) * @_mpu_port: cached MPU register target slave (internal use) * @opt_clks_cnt: number of @opt_clks @@ -617,6 +666,7 @@ struct omap_hwmod { struct list_head node; struct omap_hwmod_ocp_if *_mpu_port; u16 flags; + u8 mpu_rt_idx; u8 response_lat; u8 rst_lines_cnt; u8 opt_clks_cnt; diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c index d05fc7b..56cebb0 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c @@ -512,7 +512,7 @@ struct omap_hwmod omap2xxx_uart1_hwmod = { .mpu_irqs = omap2_uart1_mpu_irqs, .sdma_reqs = omap2_uart1_sdma_reqs, .main_clk = "uart1_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP2UART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -532,7 +532,7 @@ struct omap_hwmod omap2xxx_uart2_hwmod = { .mpu_irqs = omap2_uart2_mpu_irqs, .sdma_reqs = omap2_uart2_sdma_reqs, .main_clk = "uart2_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP2UART2_FLAGS | HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -552,7 +552,7 @@ struct omap_hwmod omap2xxx_uart3_hwmod = { .mpu_irqs = omap2_uart3_mpu_irqs, .sdma_reqs = omap2_uart3_sdma_reqs, .main_clk = "uart3_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP2UART3_FLAGS | HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c index 28bbd56..eb2f3b9 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c @@ -562,6 +562,7 @@ static struct omap_hwmod am33xx_cpgmac0_hwmod = { .clkdm_name = "cpsw_125mhz_clkdm", .flags = (HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY), .main_clk = "cpsw_125mhz_gclk", + .mpu_rt_idx = 1, .prcm = { .omap4 = { .clkctrl_offs = AM33XX_CM_PER_CPGMAC0_CLKCTRL_OFFSET, @@ -1512,7 +1513,7 @@ static struct omap_hwmod am33xx_uart1_hwmod = { .name = "uart1", .class = &uart_class, .clkdm_name = "l4_wkup_clkdm", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_AM33XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT, .main_clk = "dpll_per_m2_div4_wkupdm_ck", .prcm = { .omap4 = { diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index f7a3df2..0c3a427 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -490,7 +490,7 @@ static struct omap_hwmod omap3xxx_uart1_hwmod = { .mpu_irqs = omap2_uart1_mpu_irqs, .sdma_reqs = omap2_uart1_sdma_reqs, .main_clk = "uart1_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_TI81XXUART1_FLAGS | HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -509,7 +509,7 @@ static struct omap_hwmod omap3xxx_uart2_hwmod = { .mpu_irqs = omap2_uart2_mpu_irqs, .sdma_reqs = omap2_uart2_sdma_reqs, .main_clk = "uart2_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_TI81XXUART2_FLAGS | HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = CORE_MOD, @@ -528,7 +528,8 @@ static struct omap_hwmod omap3xxx_uart3_hwmod = { .mpu_irqs = omap2_uart3_mpu_irqs, .sdma_reqs = omap2_uart3_sdma_reqs, .main_clk = "uart3_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP3UART3_FLAGS | DEBUG_TI81XXUART3_FLAGS | + HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, @@ -558,7 +559,7 @@ static struct omap_hwmod omap36xx_uart4_hwmod = { .mpu_irqs = uart4_mpu_irqs, .sdma_reqs = uart4_sdma_reqs, .main_clk = "uart4_fck", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP3UART4_FLAGS | HWMOD_SWSUP_SIDLE_ACT, .prcm = { .omap2 = { .module_offs = OMAP3430_PER_MOD, diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index d04b5e6..9c3b504 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -2858,8 +2858,7 @@ static struct omap_hwmod omap44xx_uart3_hwmod = { .name = "uart3", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET | - HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP4UART3_FLAGS | HWMOD_SWSUP_SIDLE_ACT, .main_clk = "func_48m_fclk", .prcm = { .omap4 = { @@ -2875,7 +2874,7 @@ static struct omap_hwmod omap44xx_uart4_hwmod = { .name = "uart4", .class = &omap44xx_uart_hwmod_class, .clkdm_name = "l4_per_clkdm", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = DEBUG_OMAP4UART4_FLAGS | HWMOD_SWSUP_SIDLE_ACT, .main_clk = "func_48m_fclk", .prcm = { .omap4 = { diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c index f37ae96..3c70f5c 100644 --- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c @@ -1375,7 +1375,7 @@ static struct omap_hwmod omap54xx_uart3_hwmod = { .name = "uart3", .class = &omap54xx_uart_hwmod_class, .clkdm_name = "l4per_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = DEBUG_OMAP4UART3_FLAGS, .main_clk = "func_48m_fclk", .prcm = { .omap4 = { @@ -1391,6 +1391,7 @@ static struct omap_hwmod omap54xx_uart4_hwmod = { .name = "uart4", .class = &omap54xx_uart_hwmod_class, .clkdm_name = "l4per_clkdm", + .flags = DEBUG_OMAP4UART4_FLAGS, .main_clk = "func_48m_fclk", .prcm = { .omap4 = { diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 3a674de..a388f8c 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -208,17 +208,6 @@ static int __init omap_serial_early_init(void) pr_info("%s used as console in debug mode: uart%d clocks will not be gated", uart_name, uart->num); } - - /* - * omap-uart can be used for earlyprintk logs - * So if omap-uart is used as console then prevent - * uart reset and idle to get logs from omap-uart - * until uart console driver is available to take - * care for console messages. - * Idling or resetting omap-uart while printing logs - * early boot logs can stall the boot-up. - */ - oh->flags |= HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET; } } while (1); diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index e115f67..c5be60d 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -1162,9 +1162,6 @@ static void __init eva_init(void) gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */ gpio_request_one(202, GPIOF_OUT_INIT_LOW, NULL); /* LCD0_LED_CONT */ - /* Touchscreen */ - gpio_request_one(166, GPIOF_OUT_INIT_HIGH, NULL); /* TP_RST_B */ - /* GETHER */ gpio_request_one(18, GPIOF_OUT_INIT_HIGH, NULL); /* PHY_RST */ diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c index d555464..3354a85 100644 --- a/arch/arm/mach-shmobile/board-bockw.c +++ b/arch/arm/mach-shmobile/board-bockw.c @@ -167,7 +167,13 @@ static const struct pinctrl_map bockw_pinctrl_map[] = { "usb1", "usb1"), /* SDHI0 */ PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", - "sdhi0", "sdhi0"), + "sdhi0_data4", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", + "sdhi0_ctrl", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", + "sdhi0_cd", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", + "sdhi0_wp", "sdhi0"), }; #define FPGA 0x18200000 diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index d73e21d..8d6bd5c 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -59,7 +59,7 @@ static __initdata struct gpio_led_platform_data lager_leds_pdata = { #define GPIO_KEY(c, g, d, ...) \ { .code = c, .gpio = g, .desc = d, .active_low = 1 } -static __initdata struct gpio_keys_button gpio_buttons[] = { +static struct gpio_keys_button gpio_buttons[] = { GPIO_KEY(KEY_4, RCAR_GP_PIN(1, 28), "SW2-pin4"), GPIO_KEY(KEY_3, RCAR_GP_PIN(1, 26), "SW2-pin3"), GPIO_KEY(KEY_2, RCAR_GP_PIN(1, 24), "SW2-pin2"), diff --git a/arch/arm/mach-sti/headsmp.S b/arch/arm/mach-sti/headsmp.S index 78ebc75..4c09bae 100644 --- a/arch/arm/mach-sti/headsmp.S +++ b/arch/arm/mach-sti/headsmp.S @@ -16,8 +16,6 @@ #include <linux/linkage.h> #include <linux/init.h> - __INIT - /* * ST specific entry point for secondary CPUs. This provides * a "holding pen" into which all secondary cores are held until we're diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 6cacdc8..db5c2ca 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -421,24 +421,28 @@ config CPU_32v3 select CPU_USE_DOMAINS if MMU select NEEDS_SYSCALL_FOR_CMPXCHG if SMP select TLS_REG_EMUL if SMP || !MMU + select NEED_KUSER_HELPERS config CPU_32v4 bool select CPU_USE_DOMAINS if MMU select NEEDS_SYSCALL_FOR_CMPXCHG if SMP select TLS_REG_EMUL if SMP || !MMU + select NEED_KUSER_HELPERS config CPU_32v4T bool select CPU_USE_DOMAINS if MMU select NEEDS_SYSCALL_FOR_CMPXCHG if SMP select TLS_REG_EMUL if SMP || !MMU + select NEED_KUSER_HELPERS config CPU_32v5 bool select CPU_USE_DOMAINS if MMU select NEEDS_SYSCALL_FOR_CMPXCHG if SMP select TLS_REG_EMUL if SMP || !MMU + select NEED_KUSER_HELPERS config CPU_32v6 bool @@ -776,6 +780,7 @@ config CPU_BPREDICT_DISABLE config TLS_REG_EMUL bool + select NEED_KUSER_HELPERS help An SMP system using a pre-ARMv6 processor (there are apparently a few prototypes like that in existence) and therefore access to @@ -783,11 +788,40 @@ config TLS_REG_EMUL config NEEDS_SYSCALL_FOR_CMPXCHG bool + select NEED_KUSER_HELPERS help SMP on a pre-ARMv6 processor? Well OK then. Forget about fast user space cmpxchg support. It is just not possible. +config NEED_KUSER_HELPERS + bool + +config KUSER_HELPERS + bool "Enable kuser helpers in vector page" if !NEED_KUSER_HELPERS + default y + help + Warning: disabling this option may break user programs. + + Provide kuser helpers in the vector page. The kernel provides + helper code to userspace in read only form at a fixed location + in the high vector page to allow userspace to be independent of + the CPU type fitted to the system. This permits binaries to be + run on ARMv4 through to ARMv7 without modification. + + However, the fixed address nature of these helpers can be used + by ROP (return orientated programming) authors when creating + exploits. + + If all of the binaries and libraries which run on your platform + are built specifically for your platform, and make no use of + these helpers, then you can turn this option off. However, + when such an binary or library is run, it will receive a SIGILL + signal, which will terminate the program. + + Say N here only if you are absolutely certain that you do not + need these helpers; otherwise, the safe option is to say Y. + config DMA_CACHE_RWFO bool "Enable read/write for ownership DMA cache maintenance" depends on CPU_V6K && SMP diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index b55b101..4a05444 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -245,7 +245,8 @@ void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk) if (cpumask_test_and_clear_cpu(cpu, &tlb_flush_pending)) { local_flush_bp_all(); local_flush_tlb_all(); - dummy_flush_tlb_a15_erratum(); + if (erratum_a15_798181()) + dummy_flush_tlb_a15_erratum(); } atomic64_set(&per_cpu(active_asids, cpu), asid); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 4f56617..53cdbd3 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -989,6 +989,7 @@ phys_addr_t arm_lowmem_limit __initdata = 0; void __init sanity_check_meminfo(void) { + phys_addr_t memblock_limit = 0; int i, j, highmem = 0; phys_addr_t vmalloc_limit = __pa(vmalloc_min - 1) + 1; @@ -1052,9 +1053,32 @@ void __init sanity_check_meminfo(void) bank->size = size_limit; } #endif - if (!bank->highmem && bank->start + bank->size > arm_lowmem_limit) - arm_lowmem_limit = bank->start + bank->size; + if (!bank->highmem) { + phys_addr_t bank_end = bank->start + bank->size; + if (bank_end > arm_lowmem_limit) + arm_lowmem_limit = bank_end; + + /* + * Find the first non-section-aligned page, and point + * memblock_limit at it. This relies on rounding the + * limit down to be section-aligned, which happens at + * the end of this function. + * + * With this algorithm, the start or end of almost any + * bank can be non-section-aligned. The only exception + * is that the start of the bank 0 must be section- + * aligned, since otherwise memory would need to be + * allocated when mapping the start of bank 0, which + * occurs before any free memory is mapped. + */ + if (!memblock_limit) { + if (!IS_ALIGNED(bank->start, SECTION_SIZE)) + memblock_limit = bank->start; + else if (!IS_ALIGNED(bank_end, SECTION_SIZE)) + memblock_limit = bank_end; + } + } j++; } #ifdef CONFIG_HIGHMEM @@ -1079,7 +1103,18 @@ void __init sanity_check_meminfo(void) #endif meminfo.nr_banks = j; high_memory = __va(arm_lowmem_limit - 1) + 1; - memblock_set_current_limit(arm_lowmem_limit); + + /* + * Round the memblock limit down to a section size. This + * helps to ensure that we will allocate memory from the + * last full section, which should be mapped. + */ + if (memblock_limit) + memblock_limit = round_down(memblock_limit, SECTION_SIZE); + if (!memblock_limit) + memblock_limit = arm_lowmem_limit; + + memblock_set_current_limit(memblock_limit); } static inline void prepare_page_table(void) @@ -1160,7 +1195,7 @@ static void __init devicemaps_init(struct machine_desc *mdesc) /* * Allocate the vector page early. */ - vectors = early_alloc(PAGE_SIZE); + vectors = early_alloc(PAGE_SIZE * 2); early_trap_init(vectors); @@ -1205,15 +1240,27 @@ static void __init devicemaps_init(struct machine_desc *mdesc) map.pfn = __phys_to_pfn(virt_to_phys(vectors)); map.virtual = 0xffff0000; map.length = PAGE_SIZE; +#ifdef CONFIG_KUSER_HELPERS map.type = MT_HIGH_VECTORS; +#else + map.type = MT_LOW_VECTORS; +#endif create_mapping(&map); if (!vectors_high()) { map.virtual = 0; + map.length = PAGE_SIZE * 2; map.type = MT_LOW_VECTORS; create_mapping(&map); } + /* Now create a kernel read-only mapping */ + map.pfn += 1; + map.virtual = 0xffff0000 + PAGE_SIZE; + map.length = PAGE_SIZE; + map.type = MT_LOW_VECTORS; + create_mapping(&map); + /* * Ask the machine support to map in the statically mapped devices. */ @@ -1276,8 +1323,6 @@ void __init paging_init(struct machine_desc *mdesc) { void *zero_page; - memblock_set_current_limit(arm_lowmem_limit); - build_mem_type_table(); prepare_page_table(); map_lowmem(); diff --git a/arch/arm/mm/proc-v7-2level.S b/arch/arm/mm/proc-v7-2level.S index f64afb9..bdd3be4 100644 --- a/arch/arm/mm/proc-v7-2level.S +++ b/arch/arm/mm/proc-v7-2level.S @@ -110,7 +110,7 @@ ENTRY(cpu_v7_set_pte_ext) ARM( str r3, [r0, #2048]! ) THUMB( add r0, r0, #2048 ) THUMB( str r3, [r0] ) - ALT_SMP(mov pc,lr) + ALT_SMP(W(nop)) ALT_UP (mcr p15, 0, r0, c7, c10, 1) @ flush_pte #endif mov pc, lr diff --git a/arch/arm/mm/proc-v7-3level.S b/arch/arm/mm/proc-v7-3level.S index c36ac69..01a719e 100644 --- a/arch/arm/mm/proc-v7-3level.S +++ b/arch/arm/mm/proc-v7-3level.S @@ -81,7 +81,7 @@ ENTRY(cpu_v7_set_pte_ext) tst r3, #1 << (55 - 32) @ L_PTE_DIRTY orreq r2, #L_PTE_RDONLY 1: strd r2, r3, [r0] - ALT_SMP(mov pc, lr) + ALT_SMP(W(nop)) ALT_UP (mcr p15, 0, r0, c7, c10, 1) @ flush_pte #endif mov pc, lr diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 5c6d5a3..73398bc 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -75,13 +75,14 @@ ENTRY(cpu_v7_do_idle) ENDPROC(cpu_v7_do_idle) ENTRY(cpu_v7_dcache_clean_area) - ALT_SMP(mov pc, lr) @ MP extensions imply L1 PTW - ALT_UP(W(nop)) - dcache_line_size r2, r3 -1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry + ALT_SMP(W(nop)) @ MP extensions imply L1 PTW + ALT_UP_B(1f) + mov pc, lr +1: dcache_line_size r2, r3 +2: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, r2 subs r1, r1, r2 - bhi 1b + bhi 2b dsb mov pc, lr ENDPROC(cpu_v7_dcache_clean_area) diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index f71c37e..c9770ba 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -172,7 +172,7 @@ static void __init xen_percpu_init(void *unused) enable_percpu_irq(xen_events_irq, 0); } -static void xen_restart(char str, const char *cmd) +static void xen_restart(enum reboot_mode reboot_mode, const char *cmd) { struct sched_shutdown r = { .reason = SHUTDOWN_reboot }; int rc; diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h index 46b3beb..717031a 100644 --- a/arch/arm64/include/asm/tlb.h +++ b/arch/arm64/include/asm/tlb.h @@ -35,6 +35,7 @@ struct mmu_gather { struct mm_struct *mm; unsigned int fullmm; struct vm_area_struct *vma; + unsigned long start, end; unsigned long range_start; unsigned long range_end; unsigned int nr; @@ -97,10 +98,12 @@ static inline void tlb_flush_mmu(struct mmu_gather *tlb) } static inline void -tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int fullmm) +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end) { tlb->mm = mm; - tlb->fullmm = fullmm; + tlb->fullmm = !(start | (end+1)); + tlb->start = start; + tlb->end = end; tlb->vma = NULL; tlb->max = ARRAY_SIZE(tlb->local); tlb->pages = tlb->local; diff --git a/arch/avr32/boards/atngw100/mrmt.c b/arch/avr32/boards/atngw100/mrmt.c index f914319..7de083d 100644 --- a/arch/avr32/boards/atngw100/mrmt.c +++ b/arch/avr32/boards/atngw100/mrmt.c @@ -150,7 +150,6 @@ static struct ac97c_platform_data __initdata ac97c0_data = { static struct platform_device rmt_ts_device = { .name = "ucb1400_ts", .id = -1, - } }; #endif diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig index 33a9792..77d442a 100644 --- a/arch/hexagon/Kconfig +++ b/arch/hexagon/Kconfig @@ -158,6 +158,7 @@ source "kernel/Kconfig.hz" endmenu source "init/Kconfig" +source "kernel/Kconfig.freezer" source "drivers/Kconfig" source "fs/Kconfig" diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig index 7913695..efbd292 100644 --- a/arch/ia64/configs/generic_defconfig +++ b/arch/ia64/configs/generic_defconfig @@ -31,7 +31,7 @@ CONFIG_ACPI_FAN=m CONFIG_ACPI_DOCK=y CONFIG_ACPI_PROCESSOR=m CONFIG_ACPI_CONTAINER=m -CONFIG_HOTPLUG_PCI=m +CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_ACPI=m CONFIG_PACKET=y CONFIG_UNIX=y diff --git a/arch/ia64/configs/gensparse_defconfig b/arch/ia64/configs/gensparse_defconfig index f8e9133..f64980d 100644 --- a/arch/ia64/configs/gensparse_defconfig +++ b/arch/ia64/configs/gensparse_defconfig @@ -25,7 +25,7 @@ CONFIG_ACPI_BUTTON=m CONFIG_ACPI_FAN=m CONFIG_ACPI_PROCESSOR=m CONFIG_ACPI_CONTAINER=m -CONFIG_HOTPLUG_PCI=m +CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_ACPI=m CONFIG_PACKET=y CONFIG_UNIX=y diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig index a5a9e02..0f4e9e4 100644 --- a/arch/ia64/configs/tiger_defconfig +++ b/arch/ia64/configs/tiger_defconfig @@ -31,7 +31,7 @@ CONFIG_ACPI_BUTTON=m CONFIG_ACPI_FAN=m CONFIG_ACPI_PROCESSOR=m CONFIG_ACPI_CONTAINER=m -CONFIG_HOTPLUG_PCI=m +CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_ACPI=m CONFIG_PACKET=y CONFIG_UNIX=y diff --git a/arch/ia64/configs/xen_domu_defconfig b/arch/ia64/configs/xen_domu_defconfig index 37b9b42..b025acf 100644 --- a/arch/ia64/configs/xen_domu_defconfig +++ b/arch/ia64/configs/xen_domu_defconfig @@ -32,7 +32,7 @@ CONFIG_ACPI_BUTTON=m CONFIG_ACPI_FAN=m CONFIG_ACPI_PROCESSOR=m CONFIG_ACPI_CONTAINER=m -CONFIG_HOTPLUG_PCI=m +CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_ACPI=m CONFIG_PACKET=y CONFIG_UNIX=y diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h index ef3a9de..bc5efc7 100644 --- a/arch/ia64/include/asm/tlb.h +++ b/arch/ia64/include/asm/tlb.h @@ -22,7 +22,7 @@ * unmapping a portion of the virtual address space, these hooks are called according to * the following template: * - * tlb <- tlb_gather_mmu(mm, full_mm_flush); // start unmap for address space MM + * tlb <- tlb_gather_mmu(mm, start, end); // start unmap for address space MM * { * for each vma that needs a shootdown do { * tlb_start_vma(tlb, vma); @@ -58,6 +58,7 @@ struct mmu_gather { unsigned int max; unsigned char fullmm; /* non-zero means full mm flush */ unsigned char need_flush; /* really unmapped some PTEs? */ + unsigned long start, end; unsigned long start_addr; unsigned long end_addr; struct page **pages; @@ -155,13 +156,15 @@ static inline void __tlb_alloc_page(struct mmu_gather *tlb) static inline void -tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end) { tlb->mm = mm; tlb->max = ARRAY_SIZE(tlb->local); tlb->pages = tlb->local; tlb->nr = 0; - tlb->fullmm = full_mm_flush; + tlb->fullmm = !(start | (end+1)); + tlb->start = start; + tlb->end = end; tlb->start_addr = ~0UL; } diff --git a/arch/m68k/emu/natfeat.c b/arch/m68k/emu/natfeat.c index 2291a7d..fa277ae 100644 --- a/arch/m68k/emu/natfeat.c +++ b/arch/m68k/emu/natfeat.c @@ -18,9 +18,11 @@ #include <asm/machdep.h> #include <asm/natfeat.h> +extern long nf_get_id2(const char *feature_name); + asm("\n" -" .global nf_get_id,nf_call\n" -"nf_get_id:\n" +" .global nf_get_id2,nf_call\n" +"nf_get_id2:\n" " .short 0x7300\n" " rts\n" "nf_call:\n" @@ -29,12 +31,25 @@ asm("\n" "1: moveq.l #0,%d0\n" " rts\n" " .section __ex_table,\"a\"\n" -" .long nf_get_id,1b\n" +" .long nf_get_id2,1b\n" " .long nf_call,1b\n" " .previous"); -EXPORT_SYMBOL_GPL(nf_get_id); EXPORT_SYMBOL_GPL(nf_call); +long nf_get_id(const char *feature_name) +{ + /* feature_name may be in vmalloc()ed memory, so make a copy */ + char name_copy[32]; + size_t n; + + n = strlcpy(name_copy, feature_name, sizeof(name_copy)); + if (n >= sizeof(name_copy)) + return 0; + + return nf_get_id2(name_copy); +} +EXPORT_SYMBOL_GPL(nf_get_id); + void nfprint(const char *fmt, ...) { static char buf[256]; diff --git a/arch/m68k/include/asm/div64.h b/arch/m68k/include/asm/div64.h index 444ea8a..ef881cf 100644 --- a/arch/m68k/include/asm/div64.h +++ b/arch/m68k/include/asm/div64.h @@ -15,16 +15,17 @@ unsigned long long n64; \ } __n; \ unsigned long __rem, __upper; \ + unsigned long __base = (base); \ \ __n.n64 = (n); \ if ((__upper = __n.n32[0])) { \ asm ("divul.l %2,%1:%0" \ - : "=d" (__n.n32[0]), "=d" (__upper) \ - : "d" (base), "0" (__n.n32[0])); \ + : "=d" (__n.n32[0]), "=d" (__upper) \ + : "d" (__base), "0" (__n.n32[0])); \ } \ asm ("divu.l %2,%1:%0" \ - : "=d" (__n.n32[1]), "=d" (__rem) \ - : "d" (base), "1" (__upper), "0" (__n.n32[1])); \ + : "=d" (__n.n32[1]), "=d" (__rem) \ + : "d" (__base), "1" (__upper), "0" (__n.n32[1])); \ (n) = __n.n64; \ __rem; \ }) diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index d22a4ec..4fab522 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -28,7 +28,7 @@ config MICROBLAZE select GENERIC_CLOCKEVENTS select GENERIC_IDLE_POLL_SETUP select MODULES_USE_ELF_RELA - select CLONE_BACKWARDS + select CLONE_BACKWARDS3 config SWAP def_bool n diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c3abed3..e12764c 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -114,6 +114,7 @@ config BCM47XX select FW_CFE select HW_HAS_PCI select IRQ_CPU + select SYS_HAS_CPU_MIPS32_R1 select NO_EXCEPT_FILL select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig index ba61192..2b8b118 100644 --- a/arch/mips/bcm47xx/Kconfig +++ b/arch/mips/bcm47xx/Kconfig @@ -2,7 +2,6 @@ if BCM47XX config BCM47XX_SSB bool "SSB Support for Broadcom BCM47XX" - select SYS_HAS_CPU_MIPS32_R1 select SSB select SSB_DRIVER_MIPS select SSB_DRIVER_EXTIF diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 1dc0860..fa44f3e 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -17,6 +17,8 @@ #define current_cpu_type() current_cpu_data.cputype #endif +#define boot_cpu_type() cpu_data[0].cputype + /* * SMP assumption: Options of CPU 0 are a superset of all processors. * This is true for all known MIPS systems. diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h index 5b2f2e6..9488fa5 100644 --- a/arch/mips/include/asm/mach-generic/spaces.h +++ b/arch/mips/include/asm/mach-generic/spaces.h @@ -25,8 +25,12 @@ #else #define CAC_BASE _AC(0x80000000, UL) #endif +#ifndef IO_BASE #define IO_BASE _AC(0xa0000000, UL) +#endif +#ifndef UNCAC_BASE #define UNCAC_BASE _AC(0xa0000000, UL) +#endif #ifndef MAP_BASE #ifdef CONFIG_KVM_GUEST diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h index b7a2306..88e292b 100644 --- a/arch/mips/include/uapi/asm/siginfo.h +++ b/arch/mips/include/uapi/asm/siginfo.h @@ -25,11 +25,12 @@ struct siginfo; /* * Careful to keep union _sifields from shifting ... */ -#if __SIZEOF_LONG__ == 4 +#if _MIPS_SZLONG == 32 #define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int)) -#endif -#if __SIZEOF_LONG__ == 8 +#elif _MIPS_SZLONG == 64 #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) +#else +#error _MIPS_SZLONG neither 32 nor 64 #endif #include <asm-generic/siginfo.h> diff --git a/arch/mips/kernel/bmips_vec.S b/arch/mips/kernel/bmips_vec.S index f739aed..bd79c4f 100644 --- a/arch/mips/kernel/bmips_vec.S +++ b/arch/mips/kernel/bmips_vec.S @@ -54,7 +54,11 @@ LEAF(bmips_smp_movevec) /* set up CPU1 CBR; move BASE to 0xa000_0000 */ li k0, 0xff400000 mtc0 k0, $22, 6 - li k1, CKSEG1 | BMIPS_RELO_VECTOR_CONTROL_1 + /* set up relocation vector address based on thread ID */ + mfc0 k1, $22, 3 + srl k1, 16 + andi k1, 0x8000 + or k1, CKSEG1 | BMIPS_RELO_VECTOR_CONTROL_0 or k0, k1 li k1, 0xa0080000 sw k1, 0(k0) diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index c0bb4d5..126da74 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -66,6 +66,8 @@ static void __init bmips_smp_setup(void) int i, cpu = 1, boot_cpu = 0; #if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) + int cpu_hw_intr; + /* arbitration priority */ clear_c0_brcm_cmt_ctrl(0x30); @@ -79,15 +81,13 @@ static void __init bmips_smp_setup(void) * MIPS interrupts 0,1 (SW INT 0,1) cross over to the other thread * MIPS interrupt 2 (HW INT 0) is the CPU0 L1 controller output * MIPS interrupt 3 (HW INT 1) is the CPU1 L1 controller output - * - * If booting from TP1, leave the existing CMT interrupt routing - * such that TP0 responds to SW1 and TP1 responds to SW0. */ if (boot_cpu == 0) - change_c0_brcm_cmt_intr(0xf8018000, - (0x02 << 27) | (0x03 << 15)); + cpu_hw_intr = 0x02; else - change_c0_brcm_cmt_intr(0xf8018000, (0x1d << 27)); + cpu_hw_intr = 0x1d; + + change_c0_brcm_cmt_intr(0xf8018000, (cpu_hw_intr << 27) | (0x03 << 15)); /* single core, 2 threads (2 pipelines) */ max_cpus = 2; @@ -202,9 +202,15 @@ static void bmips_init_secondary(void) #if defined(CONFIG_CPU_BMIPS4350) || defined(CONFIG_CPU_BMIPS4380) void __iomem *cbr = BMIPS_GET_CBR(); unsigned long old_vec; + unsigned long relo_vector; + int boot_cpu; + + boot_cpu = !!(read_c0_brcm_cmt_local() & (1 << 31)); + relo_vector = boot_cpu ? BMIPS_RELO_VECTOR_CONTROL_0 : + BMIPS_RELO_VECTOR_CONTROL_1; - old_vec = __raw_readl(cbr + BMIPS_RELO_VECTOR_CONTROL_1); - __raw_writel(old_vec & ~0x20000000, cbr + BMIPS_RELO_VECTOR_CONTROL_1); + old_vec = __raw_readl(cbr + relo_vector); + __raw_writel(old_vec & ~0x20000000, cbr + relo_vector); clear_c0_cause(smp_processor_id() ? C_SW1 : C_SW0); #elif defined(CONFIG_CPU_BMIPS5000) diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index e4b1140..3a2b6e9 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -166,7 +166,7 @@ static void mipsxx_reg_setup(struct op_counter_config *ctr) reg.control[i] |= M_PERFCTL_USER; if (ctr[i].exl) reg.control[i] |= M_PERFCTL_EXL; - if (current_cpu_type() == CPU_XLR) + if (boot_cpu_type() == CPU_XLR) reg.control[i] |= M_PERFCTL_COUNT_ALL_THREADS; reg.counter[i] = 0x80000000 - ctr[i].count; } diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c index d22dc0d..2b7e837 100644 --- a/arch/mips/pnx833x/common/platform.c +++ b/arch/mips/pnx833x/common/platform.c @@ -206,11 +206,13 @@ static struct resource pnx833x_ethernet_resources[] = { .end = PNX8335_IP3902_PORTS_END, .flags = IORESOURCE_MEM, }, +#ifdef CONFIG_SOC_PNX8335 [1] = { .start = PNX8335_PIC_ETHERNET_INT, .end = PNX8335_PIC_ETHERNET_INT, .flags = IORESOURCE_IRQ, }, +#endif }; static struct platform_device pnx833x_ethernet_device = { diff --git a/arch/mips/powertv/asic/asic_devices.c b/arch/mips/powertv/asic/asic_devices.c index 9f64c23..0238af1 100644 --- a/arch/mips/powertv/asic/asic_devices.c +++ b/arch/mips/powertv/asic/asic_devices.c @@ -529,8 +529,7 @@ EXPORT_SYMBOL(asic_resource_get); */ void platform_release_memory(void *ptr, int size) { - free_reserved_area((unsigned long)ptr, (unsigned long)(ptr + size), - -1, NULL); + free_reserved_area(ptr, ptr + size, -1, NULL); } EXPORT_SYMBOL(platform_release_memory); diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig index 99dbab1..d60bf98 100644 --- a/arch/openrisc/Kconfig +++ b/arch/openrisc/Kconfig @@ -55,6 +55,7 @@ config GENERIC_CSUM source "init/Kconfig" +source "kernel/Kconfig.freezer" menu "Processor type and features" diff --git a/arch/parisc/configs/c8000_defconfig b/arch/parisc/configs/c8000_defconfig new file mode 100644 index 0000000..f110063 --- /dev/null +++ b/arch/parisc/configs/c8000_defconfig @@ -0,0 +1,279 @@ +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_FHANDLE=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_BSD_PROCESS_ACCT_V3=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_RELAY=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_RD_BZIP2=y +CONFIG_RD_LZMA=y +CONFIG_RD_LZO=y +CONFIG_EXPERT=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_SLAB=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_MODULE_FORCE_UNLOAD=y +CONFIG_MODVERSIONS=y +CONFIG_BLK_DEV_INTEGRITY=y +CONFIG_PA8X00=y +CONFIG_MLONGCALLS=y +CONFIG_64BIT=y +CONFIG_SMP=y +CONFIG_PREEMPT=y +# CONFIG_CROSS_MEMORY_ATTACH is not set +CONFIG_IOMMU_CCIO=y +CONFIG_PCI=y +CONFIG_PCI_LBA=y +# CONFIG_SUPERIO is not set +# CONFIG_CHASSIS_LCD_LED is not set +# CONFIG_PDC_CHASSIS is not set +# CONFIG_PDC_CHASSIS_WARN is not set +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_BINFMT_MISC=m +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_XFRM_USER=m +CONFIG_XFRM_SUB_POLICY=y +CONFIG_NET_KEY=m +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y +CONFIG_NET_IPIP=m +CONFIG_IP_MROUTE=y +CONFIG_IP_PIMSM_V1=y +CONFIG_IP_PIMSM_V2=y +CONFIG_SYN_COOKIES=y +CONFIG_INET_AH=m +CONFIG_INET_ESP=m +CONFIG_INET_IPCOMP=m +CONFIG_INET_XFRM_MODE_BEET=m +CONFIG_INET_DIAG=m +# CONFIG_IPV6 is not set +CONFIG_IP_DCCP=m +# CONFIG_IP_DCCP_CCID3 is not set +CONFIG_TIPC=m +CONFIG_LLC2=m +CONFIG_DNS_RESOLVER=y +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_STANDALONE is not set +CONFIG_PARPORT=y +CONFIG_PARPORT_PC=y +CONFIG_PARPORT_PC_FIFO=y +CONFIG_BLK_DEV_UMEM=m +CONFIG_BLK_DEV_LOOP=m +CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_SX8=m +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_SIZE=6144 +CONFIG_CDROM_PKTCDVD=m +CONFIG_CDROM_PKTCDVD_WCACHE=y +CONFIG_ATA_OVER_ETH=m +CONFIG_IDE=y +CONFIG_BLK_DEV_IDECD=y +CONFIG_BLK_DEV_PLATFORM=y +CONFIG_BLK_DEV_GENERIC=y +CONFIG_BLK_DEV_SIIMAGE=y +CONFIG_SCSI=y +CONFIG_BLK_DEV_SD=y +CONFIG_CHR_DEV_ST=m +CONFIG_BLK_DEV_SR=m +CONFIG_CHR_DEV_SG=y +CONFIG_CHR_DEV_SCH=m +CONFIG_SCSI_CONSTANTS=y +CONFIG_SCSI_LOGGING=y +CONFIG_SCSI_FC_ATTRS=y +CONFIG_SCSI_SAS_LIBSAS=m +CONFIG_ISCSI_TCP=m +CONFIG_ISCSI_BOOT_SYSFS=m +CONFIG_FUSION=y +CONFIG_FUSION_SPI=y +CONFIG_FUSION_SAS=y +CONFIG_NETDEVICES=y +CONFIG_DUMMY=m +CONFIG_NETCONSOLE=m +CONFIG_TUN=y +CONFIG_E1000=y +CONFIG_PPP=m +CONFIG_PPP_BSDCOMP=m +CONFIG_PPP_DEFLATE=m +CONFIG_PPP_MPPE=m +CONFIG_PPPOE=m +CONFIG_PPP_ASYNC=m +CONFIG_PPP_SYNC_TTY=m +# CONFIG_WLAN is not set +CONFIG_INPUT_FF_MEMLESS=m +# CONFIG_KEYBOARD_ATKBD is not set +# CONFIG_KEYBOARD_HIL_OLD is not set +# CONFIG_KEYBOARD_HIL is not set +CONFIG_MOUSE_PS2=m +CONFIG_INPUT_MISC=y +CONFIG_INPUT_CM109=m +CONFIG_SERIO_SERPORT=m +CONFIG_SERIO_PARKBD=m +CONFIG_SERIO_GSCPS2=m +# CONFIG_HP_SDC is not set +CONFIG_SERIO_PCIPS2=m +CONFIG_SERIO_LIBPS2=y +CONFIG_SERIO_RAW=m +CONFIG_SERIAL_8250=y +# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=8 +CONFIG_SERIAL_8250_RUNTIME_UARTS=8 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_MUX is not set +CONFIG_SERIAL_JSM=m +CONFIG_PRINTER=y +CONFIG_HW_RANDOM=y +CONFIG_RAW_DRIVER=m +CONFIG_PTP_1588_CLOCK=y +CONFIG_SSB=m +CONFIG_SSB_DRIVER_PCICORE=y +CONFIG_AGP=y +CONFIG_AGP_PARISC=y +CONFIG_DRM=y +CONFIG_DRM_RADEON=y +CONFIG_FIRMWARE_EDID=y +CONFIG_FB_FOREIGN_ENDIAN=y +CONFIG_FB_MODE_HELPERS=y +CONFIG_FB_TILEBLITTING=y +# CONFIG_FB_STI is not set +CONFIG_BACKLIGHT_LCD_SUPPORT=y +# CONFIG_LCD_CLASS_DEVICE is not set +# CONFIG_BACKLIGHT_GENERIC is not set +CONFIG_FRAMEBUFFER_CONSOLE=y +# CONFIG_STI_CONSOLE is not set +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +# CONFIG_LOGO_LINUX_CLUT224 is not set +CONFIG_SOUND=m +CONFIG_SND=m +CONFIG_SND_SEQUENCER=m +CONFIG_SND_SEQ_DUMMY=m +CONFIG_SND_MIXER_OSS=m +CONFIG_SND_PCM_OSS=m +CONFIG_SND_SEQUENCER_OSS=y +CONFIG_SND_VERBOSE_PRINTK=y +CONFIG_SND_AD1889=m +# CONFIG_SND_USB is not set +# CONFIG_SND_GSC is not set +CONFIG_HID_A4TECH=m +CONFIG_HID_APPLE=m +CONFIG_HID_BELKIN=m +CONFIG_HID_CHERRY=m +CONFIG_HID_CHICONY=m +CONFIG_HID_CYPRESS=m +CONFIG_HID_DRAGONRISE=m +CONFIG_HID_EZKEY=m +CONFIG_HID_KYE=m +CONFIG_HID_GYRATION=m +CONFIG_HID_TWINHAN=m +CONFIG_HID_KENSINGTON=m +CONFIG_HID_LOGITECH=m +CONFIG_HID_LOGITECH_DJ=m +CONFIG_HID_MICROSOFT=m +CONFIG_HID_MONTEREY=m +CONFIG_HID_NTRIG=m +CONFIG_HID_ORTEK=m +CONFIG_HID_PANTHERLORD=m +CONFIG_HID_PETALYNX=m +CONFIG_HID_SAMSUNG=m +CONFIG_HID_SUNPLUS=m +CONFIG_HID_GREENASIA=m +CONFIG_HID_SMARTJOYPLUS=m +CONFIG_HID_TOPSEED=m +CONFIG_HID_THRUSTMASTER=m +CONFIG_HID_ZEROPLUS=m +CONFIG_USB_HID=m +CONFIG_USB=y +CONFIG_USB_OHCI_HCD=y +CONFIG_USB_STORAGE=y +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT2_FS_POSIX_ACL=y +CONFIG_EXT2_FS_SECURITY=y +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +CONFIG_EXT4_FS=m +CONFIG_REISERFS_FS=m +CONFIG_REISERFS_PROC_INFO=y +CONFIG_XFS_FS=m +CONFIG_XFS_POSIX_ACL=y +CONFIG_QUOTA=y +CONFIG_QFMT_V1=m +CONFIG_QFMT_V2=m +CONFIG_AUTOFS4_FS=m +CONFIG_FUSE_FS=m +CONFIG_ISO9660_FS=y +CONFIG_JOLIET=y +CONFIG_MSDOS_FS=m +CONFIG_VFAT_FS=m +CONFIG_PROC_KCORE=y +CONFIG_TMPFS=y +CONFIG_TMPFS_XATTR=y +CONFIG_NFS_FS=m +CONFIG_NLS_CODEPAGE_437=m +CONFIG_NLS_CODEPAGE_737=m +CONFIG_NLS_CODEPAGE_775=m +CONFIG_NLS_CODEPAGE_850=m +CONFIG_NLS_CODEPAGE_852=m +CONFIG_NLS_CODEPAGE_855=m +CONFIG_NLS_CODEPAGE_857=m +CONFIG_NLS_CODEPAGE_860=m +CONFIG_NLS_CODEPAGE_861=m +CONFIG_NLS_CODEPAGE_862=m +CONFIG_NLS_CODEPAGE_863=m +CONFIG_NLS_CODEPAGE_864=m +CONFIG_NLS_CODEPAGE_865=m +CONFIG_NLS_CODEPAGE_866=m +CONFIG_NLS_CODEPAGE_869=m +CONFIG_NLS_CODEPAGE_936=m +CONFIG_NLS_CODEPAGE_950=m +CONFIG_NLS_CODEPAGE_932=m +CONFIG_NLS_CODEPAGE_949=m +CONFIG_NLS_CODEPAGE_874=m +CONFIG_NLS_ISO8859_8=m +CONFIG_NLS_CODEPAGE_1250=m +CONFIG_NLS_CODEPAGE_1251=m +CONFIG_NLS_ASCII=m +CONFIG_NLS_ISO8859_1=m +CONFIG_NLS_ISO8859_2=m +CONFIG_NLS_ISO8859_3=m +CONFIG_NLS_ISO8859_4=m +CONFIG_NLS_ISO8859_5=m +CONFIG_NLS_ISO8859_6=m +CONFIG_NLS_ISO8859_7=m +CONFIG_NLS_ISO8859_9=m +CONFIG_NLS_ISO8859_13=m +CONFIG_NLS_ISO8859_14=m +CONFIG_NLS_ISO8859_15=m +CONFIG_NLS_KOI8_R=m +CONFIG_NLS_KOI8_U=m +CONFIG_NLS_UTF8=m +CONFIG_UNUSED_SYMBOLS=y +CONFIG_DEBUG_FS=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_SLAB=y +CONFIG_DEBUG_SLAB_LEAK=y +CONFIG_DEBUG_MEMORY_INIT=y +CONFIG_DEBUG_STACKOVERFLOW=y +CONFIG_LOCKUP_DETECTOR=y +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y +CONFIG_PANIC_ON_OOPS=y +CONFIG_DEBUG_RT_MUTEXES=y +CONFIG_RT_MUTEX_TESTER=y +CONFIG_PROVE_RCU_DELAY=y +CONFIG_DEBUG_BLOCK_EXT_DEVT=y +CONFIG_LATENCYTOP=y +CONFIG_DEBUG_STRICT_USER_COPY_CHECKS=y +CONFIG_KEYS=y +# CONFIG_CRYPTO_HW is not set +CONFIG_FONTS=y diff --git a/arch/parisc/include/asm/parisc-device.h b/arch/parisc/include/asm/parisc-device.h index 9afdad6..eaf4dc1 100644 --- a/arch/parisc/include/asm/parisc-device.h +++ b/arch/parisc/include/asm/parisc-device.h @@ -23,6 +23,7 @@ struct parisc_device { /* generic info returned from pdc_pat_cell_module() */ unsigned long mod_info; /* PAT specific - Misc Module info */ unsigned long pmod_loc; /* physical Module location */ + unsigned long mod0; #endif u64 dma_mask; /* DMA mask for I/O */ struct device dev; @@ -61,4 +62,6 @@ parisc_get_drvdata(struct parisc_device *d) extern struct bus_type parisc_bus_type; +int iosapic_serial_irq(struct parisc_device *dev); + #endif /*_ASM_PARISC_PARISC_DEVICE_H_*/ diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 2e65aa5..c035673 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -71,18 +71,27 @@ flush_cache_all_local(void) } EXPORT_SYMBOL(flush_cache_all_local); +/* Virtual address of pfn. */ +#define pfn_va(pfn) __va(PFN_PHYS(pfn)) + void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { - struct page *page = pte_page(*ptep); + unsigned long pfn = pte_pfn(*ptep); + struct page *page; - if (pfn_valid(page_to_pfn(page)) && page_mapping(page) && - test_bit(PG_dcache_dirty, &page->flags)) { + /* We don't have pte special. As a result, we can be called with + an invalid pfn and we don't need to flush the kernel dcache page. + This occurs with FireGL card in C8000. */ + if (!pfn_valid(pfn)) + return; - flush_kernel_dcache_page(page); + page = pfn_to_page(pfn); + if (page_mapping(page) && test_bit(PG_dcache_dirty, &page->flags)) { + flush_kernel_dcache_page_addr(pfn_va(pfn)); clear_bit(PG_dcache_dirty, &page->flags); } else if (parisc_requires_coherency()) - flush_kernel_dcache_page(page); + flush_kernel_dcache_page_addr(pfn_va(pfn)); } void @@ -495,44 +504,42 @@ static inline pte_t *get_ptep(pgd_t *pgd, unsigned long addr) void flush_cache_mm(struct mm_struct *mm) { + struct vm_area_struct *vma; + pgd_t *pgd; + /* Flushing the whole cache on each cpu takes forever on rp3440, etc. So, avoid it if the mm isn't too big. */ - if (mm_total_size(mm) < parisc_cache_flush_threshold) { - struct vm_area_struct *vma; - - if (mm->context == mfsp(3)) { - for (vma = mm->mmap; vma; vma = vma->vm_next) { - flush_user_dcache_range_asm(vma->vm_start, - vma->vm_end); - if (vma->vm_flags & VM_EXEC) - flush_user_icache_range_asm( - vma->vm_start, vma->vm_end); - } - } else { - pgd_t *pgd = mm->pgd; - - for (vma = mm->mmap; vma; vma = vma->vm_next) { - unsigned long addr; - - for (addr = vma->vm_start; addr < vma->vm_end; - addr += PAGE_SIZE) { - pte_t *ptep = get_ptep(pgd, addr); - if (ptep != NULL) { - pte_t pte = *ptep; - __flush_cache_page(vma, addr, - page_to_phys(pte_page(pte))); - } - } - } + if (mm_total_size(mm) >= parisc_cache_flush_threshold) { + flush_cache_all(); + return; + } + + if (mm->context == mfsp(3)) { + for (vma = mm->mmap; vma; vma = vma->vm_next) { + flush_user_dcache_range_asm(vma->vm_start, vma->vm_end); + if ((vma->vm_flags & VM_EXEC) == 0) + continue; + flush_user_icache_range_asm(vma->vm_start, vma->vm_end); } return; } -#ifdef CONFIG_SMP - flush_cache_all(); -#else - flush_cache_all_local(); -#endif + pgd = mm->pgd; + for (vma = mm->mmap; vma; vma = vma->vm_next) { + unsigned long addr; + + for (addr = vma->vm_start; addr < vma->vm_end; + addr += PAGE_SIZE) { + unsigned long pfn; + pte_t *ptep = get_ptep(pgd, addr); + if (!ptep) + continue; + pfn = pte_pfn(*ptep); + if (!pfn_valid(pfn)) + continue; + __flush_cache_page(vma, addr, PFN_PHYS(pfn)); + } + } } void @@ -556,33 +563,32 @@ flush_user_icache_range(unsigned long start, unsigned long end) void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { + unsigned long addr; + pgd_t *pgd; + BUG_ON(!vma->vm_mm->context); - if ((end - start) < parisc_cache_flush_threshold) { - if (vma->vm_mm->context == mfsp(3)) { - flush_user_dcache_range_asm(start, end); - if (vma->vm_flags & VM_EXEC) - flush_user_icache_range_asm(start, end); - } else { - unsigned long addr; - pgd_t *pgd = vma->vm_mm->pgd; - - for (addr = start & PAGE_MASK; addr < end; - addr += PAGE_SIZE) { - pte_t *ptep = get_ptep(pgd, addr); - if (ptep != NULL) { - pte_t pte = *ptep; - flush_cache_page(vma, - addr, pte_pfn(pte)); - } - } - } - } else { -#ifdef CONFIG_SMP + if ((end - start) >= parisc_cache_flush_threshold) { flush_cache_all(); -#else - flush_cache_all_local(); -#endif + return; + } + + if (vma->vm_mm->context == mfsp(3)) { + flush_user_dcache_range_asm(start, end); + if (vma->vm_flags & VM_EXEC) + flush_user_icache_range_asm(start, end); + return; + } + + pgd = vma->vm_mm->pgd; + for (addr = start & PAGE_MASK; addr < end; addr += PAGE_SIZE) { + unsigned long pfn; + pte_t *ptep = get_ptep(pgd, addr); + if (!ptep) + continue; + pfn = pte_pfn(*ptep); + if (pfn_valid(pfn)) + __flush_cache_page(vma, addr, PFN_PHYS(pfn)); } } @@ -591,9 +597,10 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long { BUG_ON(!vma->vm_mm->context); - flush_tlb_page(vma, vmaddr); - __flush_cache_page(vma, vmaddr, page_to_phys(pfn_to_page(pfn))); - + if (pfn_valid(pfn)) { + flush_tlb_page(vma, vmaddr); + __flush_cache_page(vma, vmaddr, PFN_PHYS(pfn)); + } } #ifdef CONFIG_PARISC_TMPALIAS diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c index 3295ef4..f0b6722 100644 --- a/arch/parisc/kernel/inventory.c +++ b/arch/parisc/kernel/inventory.c @@ -211,6 +211,7 @@ pat_query_module(ulong pcell_loc, ulong mod_index) /* REVISIT: who is the consumer of this? not sure yet... */ dev->mod_info = pa_pdc_cell->mod_info; /* pass to PAT_GET_ENTITY() */ dev->pmod_loc = pa_pdc_cell->mod_location; + dev->mod0 = pa_pdc_cell->mod[0]; register_parisc_device(dev); /* advertise device */ diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 940188d..07349b0 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -56,13 +56,6 @@ #define A(__x) ((unsigned long)(__x)) /* - * Atomically swap in the new signal mask, and wait for a signal. - */ -#ifdef CONFIG_64BIT -#include "sys32.h" -#endif - -/* * Do a signal return - restore sigcontext. */ diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c index 33eca1b..6c6a271 100644 --- a/arch/parisc/kernel/signal32.c +++ b/arch/parisc/kernel/signal32.c @@ -34,7 +34,6 @@ #include <asm/uaccess.h> #include "signal32.h" -#include "sys32.h" #define DEBUG_COMPAT_SIG 0 #define DEBUG_COMPAT_SIG_LEVEL 2 diff --git a/arch/parisc/kernel/sys32.h b/arch/parisc/kernel/sys32.h deleted file mode 100644 index 60dd470..0000000 --- a/arch/parisc/kernel/sys32.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Copyright (C) 2002 Richard Hirst <rhirst at parisc-linux.org> - * Copyright (C) 2003 James Bottomley <jejb at parisc-linux.org> - * Copyright (C) 2003 Randolph Chung <tausq with parisc-linux.org> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef _PARISC64_KERNEL_SYS32_H -#define _PARISC64_KERNEL_SYS32_H - -#include <linux/compat.h> - -/* Call a kernel syscall which will use kernel space instead of user - * space for its copy_to/from_user. - */ -#define KERNEL_SYSCALL(ret, syscall, args...) \ -{ \ - mm_segment_t old_fs = get_fs(); \ - set_fs(KERNEL_DS); \ - ret = syscall(args); \ - set_fs (old_fs); \ -} - -#endif diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index a134ff4..bb9f3b6 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -42,8 +42,6 @@ #include <asm/uaccess.h> #include <asm/mmu_context.h> -#include "sys32.h" - #undef DEBUG #ifdef DEBUG diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 3bf72cd..dbd9d3c 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -566,7 +566,7 @@ config SCHED_SMT config PPC_DENORMALISATION bool "PowerPC denormalisation exception handling" depends on PPC_BOOK3S_64 - default "n" + default "y" if PPC_POWERNV ---help--- Add support for handling denormalisation of single precision values. Useful for bare metal only. If unsure say Y here. diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index c86fcb9..0e8cfd0 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -58,7 +58,7 @@ CONFIG_SCHED_SMT=y CONFIG_PPC_DENORMALISATION=y CONFIG_PCCARD=y CONFIG_ELECTRA_CF=y -CONFIG_HOTPLUG_PCI=m +CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_RPA=m CONFIG_HOTPLUG_PCI_RPA_DLPAR=m CONFIG_PACKET=y diff --git a/arch/powerpc/configs/ppc64e_defconfig b/arch/powerpc/configs/ppc64e_defconfig index 4b20f76..0085dc4 100644 --- a/arch/powerpc/configs/ppc64e_defconfig +++ b/arch/powerpc/configs/ppc64e_defconfig @@ -32,7 +32,7 @@ CONFIG_IRQ_ALL_CPUS=y CONFIG_SPARSEMEM_MANUAL=y CONFIG_PCI_MSI=y CONFIG_PCCARD=y -CONFIG_HOTPLUG_PCI=m +CONFIG_HOTPLUG_PCI=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_XFRM_USER=m diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index bea8587..1d4b976 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -53,7 +53,7 @@ CONFIG_PPC_64K_PAGES=y CONFIG_PPC_SUBPAGE_PROT=y CONFIG_SCHED_SMT=y CONFIG_PPC_DENORMALISATION=y -CONFIG_HOTPLUG_PCI=m +CONFIG_HOTPLUG_PCI=y CONFIG_HOTPLUG_PCI_RPA=m CONFIG_HOTPLUG_PCI_RPA_DLPAR=m CONFIG_PACKET=y diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h index 2dd7bfc..8b24926 100644 --- a/arch/powerpc/include/asm/perf_event_server.h +++ b/arch/powerpc/include/asm/perf_event_server.h @@ -12,6 +12,7 @@ #include <linux/types.h> #include <asm/hw_irq.h> #include <linux/device.h> +#include <uapi/asm/perf_event.h> #define MAX_HWEVENTS 8 #define MAX_EVENT_ALTERNATIVES 8 @@ -69,11 +70,6 @@ struct power_pmu { #define PPMU_LIMITED_PMC_REQD 2 /* have to put this on a limited PMC */ #define PPMU_ONLY_COUNT_RUN 4 /* only counting in run state */ -/* - * We use the event config bit 63 as a flag to request EBB. - */ -#define EVENT_CONFIG_EBB_SHIFT 63 - extern int register_power_pmu(struct power_pmu *); struct pt_regs; diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 47a35b0..e378ccc 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -247,6 +247,10 @@ struct thread_struct { unsigned long tm_orig_msr; /* Thread's MSR on ctx switch */ struct pt_regs ckpt_regs; /* Checkpointed registers */ + unsigned long tm_tar; + unsigned long tm_ppr; + unsigned long tm_dscr; + /* * Transactional FP and VSX 0-31 register set. * NOTE: the sense of these is the opposite of the integer ckpt_regs! diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index a6840e4..99222e2 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -254,19 +254,28 @@ #define SPRN_HRMOR 0x139 /* Real mode offset register */ #define SPRN_HSRR0 0x13A /* Hypervisor Save/Restore 0 */ #define SPRN_HSRR1 0x13B /* Hypervisor Save/Restore 1 */ +/* HFSCR and FSCR bit numbers are the same */ +#define FSCR_TAR_LG 8 /* Enable Target Address Register */ +#define FSCR_EBB_LG 7 /* Enable Event Based Branching */ +#define FSCR_TM_LG 5 /* Enable Transactional Memory */ +#define FSCR_PM_LG 4 /* Enable prob/priv access to PMU SPRs */ +#define FSCR_BHRB_LG 3 /* Enable Branch History Rolling Buffer*/ +#define FSCR_DSCR_LG 2 /* Enable Data Stream Control Register */ +#define FSCR_VECVSX_LG 1 /* Enable VMX/VSX */ +#define FSCR_FP_LG 0 /* Enable Floating Point */ #define SPRN_FSCR 0x099 /* Facility Status & Control Register */ -#define FSCR_TAR (1 << (63-55)) /* Enable Target Address Register */ -#define FSCR_EBB (1 << (63-56)) /* Enable Event Based Branching */ -#define FSCR_DSCR (1 << (63-61)) /* Enable Data Stream Control Register */ +#define FSCR_TAR __MASK(FSCR_TAR_LG) +#define FSCR_EBB __MASK(FSCR_EBB_LG) +#define FSCR_DSCR __MASK(FSCR_DSCR_LG) #define SPRN_HFSCR 0xbe /* HV=1 Facility Status & Control Register */ -#define HFSCR_TAR (1 << (63-55)) /* Enable Target Address Register */ -#define HFSCR_EBB (1 << (63-56)) /* Enable Event Based Branching */ -#define HFSCR_TM (1 << (63-58)) /* Enable Transactional Memory */ -#define HFSCR_PM (1 << (63-60)) /* Enable prob/priv access to PMU SPRs */ -#define HFSCR_BHRB (1 << (63-59)) /* Enable Branch History Rolling Buffer*/ -#define HFSCR_DSCR (1 << (63-61)) /* Enable Data Stream Control Register */ -#define HFSCR_VECVSX (1 << (63-62)) /* Enable VMX/VSX */ -#define HFSCR_FP (1 << (63-63)) /* Enable Floating Point */ +#define HFSCR_TAR __MASK(FSCR_TAR_LG) +#define HFSCR_EBB __MASK(FSCR_EBB_LG) +#define HFSCR_TM __MASK(FSCR_TM_LG) +#define HFSCR_PM __MASK(FSCR_PM_LG) +#define HFSCR_BHRB __MASK(FSCR_BHRB_LG) +#define HFSCR_DSCR __MASK(FSCR_DSCR_LG) +#define HFSCR_VECVSX __MASK(FSCR_VECVSX_LG) +#define HFSCR_FP __MASK(FSCR_FP_LG) #define SPRN_TAR 0x32f /* Target Address Register */ #define SPRN_LPCR 0x13E /* LPAR Control Register */ #define LPCR_VPM0 (1ul << (63-0)) diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index ffbaabe..48cfc85 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -145,6 +145,10 @@ extern void __cpu_die(unsigned int cpu); #define smp_setup_cpu_maps() static inline void inhibit_secondary_onlining(void) {} static inline void uninhibit_secondary_onlining(void) {} +static inline const struct cpumask *cpu_sibling_mask(int cpu) +{ + return cpumask_of(cpu); +} #endif /* CONFIG_SMP */ diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 49a13e0..294c2ce 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -15,6 +15,15 @@ extern struct task_struct *__switch_to(struct task_struct *, struct thread_struct; extern struct task_struct *_switch(struct thread_struct *prev, struct thread_struct *next); +#ifdef CONFIG_PPC_BOOK3S_64 +static inline void save_tar(struct thread_struct *prev) +{ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) + prev->tar = mfspr(SPRN_TAR); +} +#else +static inline void save_tar(struct thread_struct *prev) {} +#endif extern void giveup_fpu(struct task_struct *); extern void load_up_fpu(void); diff --git a/arch/powerpc/include/uapi/asm/Kbuild b/arch/powerpc/include/uapi/asm/Kbuild index 5182c86..48be855 100644 --- a/arch/powerpc/include/uapi/asm/Kbuild +++ b/arch/powerpc/include/uapi/asm/Kbuild @@ -20,6 +20,7 @@ header-y += mman.h header-y += msgbuf.h header-y += nvram.h header-y += param.h +header-y += perf_event.h header-y += poll.h header-y += posix_types.h header-y += ps3fb.h diff --git a/arch/powerpc/include/uapi/asm/perf_event.h b/arch/powerpc/include/uapi/asm/perf_event.h new file mode 100644 index 0000000..80a4d40 --- /dev/null +++ b/arch/powerpc/include/uapi/asm/perf_event.h @@ -0,0 +1,18 @@ +/* + * Copyright 2013 Michael Ellerman, IBM Corp. + * + * 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. + */ + +#ifndef _UAPI_ASM_POWERPC_PERF_EVENT_H +#define _UAPI_ASM_POWERPC_PERF_EVENT_H + +/* + * We use bit 63 of perf_event_attr.config as a flag to request EBB. + */ +#define PERF_EVENT_CONFIG_EBB_SHIFT 63 + +#endif /* _UAPI_ASM_POWERPC_PERF_EVENT_H */ diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index c7e8afc..8207459 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -138,6 +138,9 @@ int main(void) DEFINE(THREAD_TM_TFHAR, offsetof(struct thread_struct, tm_tfhar)); DEFINE(THREAD_TM_TEXASR, offsetof(struct thread_struct, tm_texasr)); DEFINE(THREAD_TM_TFIAR, offsetof(struct thread_struct, tm_tfiar)); + DEFINE(THREAD_TM_TAR, offsetof(struct thread_struct, tm_tar)); + DEFINE(THREAD_TM_PPR, offsetof(struct thread_struct, tm_ppr)); + DEFINE(THREAD_TM_DSCR, offsetof(struct thread_struct, tm_dscr)); DEFINE(PT_CKPT_REGS, offsetof(struct thread_struct, ckpt_regs)); DEFINE(THREAD_TRANSACT_VR0, offsetof(struct thread_struct, transact_vr[0])); diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index ea9414c8..55593ee 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -1061,7 +1061,7 @@ static const struct file_operations proc_eeh_operations = { static int __init eeh_init_proc(void) { - if (machine_is(pseries)) + if (machine_is(pseries) || machine_is(powernv)) proc_create("powerpc/eeh", 0, NULL, &proc_eeh_operations); return 0; } diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index ab15b8d..2bd0b88 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -449,15 +449,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_DSCR) #ifdef CONFIG_PPC_BOOK3S_64 BEGIN_FTR_SECTION - /* - * Back up the TAR across context switches. Note that the TAR is not - * available for use in the kernel. (To provide this, the TAR should - * be backed up/restored on exception entry/exit instead, and be in - * pt_regs. FIXME, this should be in pt_regs anyway (for debug).) - */ - mfspr r0,SPRN_TAR - std r0,THREAD_TAR(r3) - /* Event based branch registers */ mfspr r0, SPRN_BESCR std r0, THREAD_BESCR(r3) @@ -584,9 +575,34 @@ BEGIN_FTR_SECTION ld r7,DSCR_DEFAULT@toc(2) ld r0,THREAD_DSCR(r4) cmpwi r6,0 + li r8, FSCR_DSCR bne 1f ld r0,0(r7) -1: cmpd r0,r25 + b 3f +1: + BEGIN_FTR_SECTION_NESTED(70) + mfspr r6, SPRN_FSCR + or r6, r6, r8 + mtspr SPRN_FSCR, r6 + BEGIN_FTR_SECTION_NESTED(69) + mfspr r6, SPRN_HFSCR + or r6, r6, r8 + mtspr SPRN_HFSCR, r6 + END_FTR_SECTION_NESTED(CPU_FTR_HVMODE, CPU_FTR_HVMODE, 69) + b 4f + END_FTR_SECTION_NESTED(CPU_FTR_ARCH_207S, CPU_FTR_ARCH_207S, 70) +3: + BEGIN_FTR_SECTION_NESTED(70) + mfspr r6, SPRN_FSCR + andc r6, r6, r8 + mtspr SPRN_FSCR, r6 + BEGIN_FTR_SECTION_NESTED(69) + mfspr r6, SPRN_HFSCR + andc r6, r6, r8 + mtspr SPRN_HFSCR, r6 + END_FTR_SECTION_NESTED(CPU_FTR_HVMODE, CPU_FTR_HVMODE, 69) + END_FTR_SECTION_NESTED(CPU_FTR_ARCH_207S, CPU_FTR_ARCH_207S, 70) +4: cmpd r0,r25 beq 2f mtspr SPRN_DSCR,r0 2: diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 4e00d22..902ca3c 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -848,7 +848,7 @@ hv_facility_unavailable_relon_trampoline: . = 0x4f80 SET_SCRATCH0(r13) EXCEPTION_PROLOG_0(PACA_EXGEN) - b facility_unavailable_relon_hv + b hv_facility_unavailable_relon_hv STD_RELON_EXCEPTION_PSERIES(0x5300, 0x1300, instruction_breakpoint) #ifdef CONFIG_PPC_DENORMALISATION @@ -1175,6 +1175,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX) b .ret_from_except STD_EXCEPTION_COMMON(0xf60, facility_unavailable, .facility_unavailable_exception) + STD_EXCEPTION_COMMON(0xf80, hv_facility_unavailable, .facility_unavailable_exception) .align 7 .globl __end_handlers @@ -1188,7 +1189,7 @@ __end_handlers: STD_RELON_EXCEPTION_PSERIES_OOL(0xf20, altivec_unavailable) STD_RELON_EXCEPTION_PSERIES_OOL(0xf40, vsx_unavailable) STD_RELON_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable) - STD_RELON_EXCEPTION_HV_OOL(0xf80, facility_unavailable) + STD_RELON_EXCEPTION_HV_OOL(0xf80, hv_facility_unavailable) #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) /* diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 2e51cde..c69440c 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -362,7 +362,7 @@ int arch_show_interrupts(struct seq_file *p, int prec) seq_printf(p, "%10u ", per_cpu(irq_stat, j).spurious_irqs); seq_printf(p, " Spurious interrupts\n"); - seq_printf(p, "%*s: ", prec, "CNT"); + seq_printf(p, "%*s: ", prec, "PMI"); for_each_online_cpu(j) seq_printf(p, "%10u ", per_cpu(irq_stat, j).pmu_irqs); seq_printf(p, " Performance monitoring interrupts\n"); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index c517dbe..8083be2 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -600,6 +600,16 @@ struct task_struct *__switch_to(struct task_struct *prev, struct ppc64_tlb_batch *batch; #endif + /* Back up the TAR across context switches. + * Note that the TAR is not available for use in the kernel. (To + * provide this, the TAR should be backed up/restored on exception + * entry/exit instead, and be in pt_regs. FIXME, this should be in + * pt_regs anyway (for debug).) + * Save the TAR here before we do treclaim/trecheckpoint as these + * will change the TAR. + */ + save_tar(&prev->thread); + __switch_to_tm(prev); #ifdef CONFIG_SMP diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S index 51be8fb..0554d1f 100644 --- a/arch/powerpc/kernel/tm.S +++ b/arch/powerpc/kernel/tm.S @@ -233,6 +233,16 @@ dont_backup_fp: std r5, _CCR(r7) std r6, _XER(r7) + + /* ******************** TAR, PPR, DSCR ********** */ + mfspr r3, SPRN_TAR + mfspr r4, SPRN_PPR + mfspr r5, SPRN_DSCR + + std r3, THREAD_TM_TAR(r12) + std r4, THREAD_TM_PPR(r12) + std r5, THREAD_TM_DSCR(r12) + /* MSR and flags: We don't change CRs, and we don't need to alter * MSR. */ @@ -347,6 +357,16 @@ dont_restore_fp: mtmsr r6 /* FP/Vec off again! */ restore_gprs: + + /* ******************** TAR, PPR, DSCR ********** */ + ld r4, THREAD_TM_TAR(r3) + ld r5, THREAD_TM_PPR(r3) + ld r6, THREAD_TM_DSCR(r3) + + mtspr SPRN_TAR, r4 + mtspr SPRN_PPR, r5 + mtspr SPRN_DSCR, r6 + /* ******************** CR,LR,CCR,MSR ********** */ ld r3, _CTR(r7) ld r4, _LINK(r7) diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index bf33c22..e435bc0 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -44,9 +44,7 @@ #include <asm/machdep.h> #include <asm/rtas.h> #include <asm/pmc.h> -#ifdef CONFIG_PPC32 #include <asm/reg.h> -#endif #ifdef CONFIG_PMAC_BACKLIGHT #include <asm/backlight.h> #endif @@ -1296,43 +1294,54 @@ void vsx_unavailable_exception(struct pt_regs *regs) die("Unrecoverable VSX Unavailable Exception", regs, SIGABRT); } +#ifdef CONFIG_PPC64 void facility_unavailable_exception(struct pt_regs *regs) { static char *facility_strings[] = { - "FPU", - "VMX/VSX", - "DSCR", - "PMU SPRs", - "BHRB", - "TM", - "AT", - "EBB", - "TAR", + [FSCR_FP_LG] = "FPU", + [FSCR_VECVSX_LG] = "VMX/VSX", + [FSCR_DSCR_LG] = "DSCR", + [FSCR_PM_LG] = "PMU SPRs", + [FSCR_BHRB_LG] = "BHRB", + [FSCR_TM_LG] = "TM", + [FSCR_EBB_LG] = "EBB", + [FSCR_TAR_LG] = "TAR", }; - char *facility, *prefix; + char *facility = "unknown"; u64 value; + u8 status; + bool hv; - if (regs->trap == 0xf60) { - value = mfspr(SPRN_FSCR); - prefix = ""; - } else { + hv = (regs->trap == 0xf80); + if (hv) value = mfspr(SPRN_HFSCR); - prefix = "Hypervisor "; + else + value = mfspr(SPRN_FSCR); + + status = value >> 56; + if (status == FSCR_DSCR_LG) { + /* User is acessing the DSCR. Set the inherit bit and allow + * the user to set it directly in future by setting via the + * H/FSCR DSCR bit. + */ + current->thread.dscr_inherit = 1; + if (hv) + mtspr(SPRN_HFSCR, value | HFSCR_DSCR); + else + mtspr(SPRN_FSCR, value | FSCR_DSCR); + return; } - value = value >> 56; + if ((status < ARRAY_SIZE(facility_strings)) && + facility_strings[status]) + facility = facility_strings[status]; /* We restore the interrupt state now */ if (!arch_irq_disabled_regs(regs)) local_irq_enable(); - if (value < ARRAY_SIZE(facility_strings)) - facility = facility_strings[value]; - else - facility = "unknown"; - pr_err("%sFacility '%s' unavailable, exception at 0x%lx, MSR=%lx\n", - prefix, facility, regs->nip, regs->msr); + hv ? "Hypervisor " : "", facility, regs->nip, regs->msr); if (user_mode(regs)) { _exception(SIGILL, regs, ILL_ILLOPC, regs->nip); @@ -1341,6 +1350,7 @@ void facility_unavailable_exception(struct pt_regs *regs) die("Unexpected facility unavailable exception", regs, SIGABRT); } +#endif #ifdef CONFIG_PPC_TRANSACTIONAL_MEM diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 2efa9dd..7629cd3 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1809,7 +1809,7 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu) rma_size <<= PAGE_SHIFT; rmls = lpcr_rmls(rma_size); err = -EINVAL; - if (rmls < 0) { + if ((long)rmls < 0) { pr_err("KVM: Can't use RMA of 0x%lx bytes\n", rma_size); goto out_srcu; } @@ -1874,7 +1874,7 @@ int kvmppc_core_init_vm(struct kvm *kvm) /* Allocate the guest's logical partition ID */ lpid = kvmppc_alloc_lpid(); - if (lpid < 0) + if ((long)lpid < 0) return -ENOMEM; kvm->arch.lpid = lpid; diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 19498a5..c6e13d9 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -1047,11 +1047,12 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) if (err) goto free_shadow_vcpu; + err = -ENOMEM; p = __get_free_page(GFP_KERNEL|__GFP_ZERO); - /* the real shared page fills the last 4k of our page */ - vcpu->arch.shared = (void*)(p + PAGE_SIZE - 4096); if (!p) goto uninit_vcpu; + /* the real shared page fills the last 4k of our page */ + vcpu->arch.shared = (void *)(p + PAGE_SIZE - 4096); #ifdef CONFIG_PPC_BOOK3S_64 /* default to book3s_64 (970fx) */ diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 0839721..5850798 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -27,6 +27,7 @@ #include <linux/seq_file.h> #include <linux/uaccess.h> #include <linux/slab.h> +#include <asm/cputhreads.h> #include <asm/sparsemem.h> #include <asm/prom.h> #include <asm/smp.h> @@ -1318,7 +1319,8 @@ static int update_cpu_associativity_changes_mask(void) } } if (changed) { - cpumask_set_cpu(cpu, changes); + cpumask_or(changes, changes, cpu_sibling_mask(cpu)); + cpu = cpu_last_thread_sibling(cpu); } } @@ -1426,7 +1428,7 @@ static int update_cpu_topology(void *data) if (!data) return -EINVAL; - cpu = get_cpu(); + cpu = smp_processor_id(); for (update = data; update; update = update->next) { if (cpu != update->cpu) @@ -1446,12 +1448,12 @@ static int update_cpu_topology(void *data) */ int arch_update_cpu_topology(void) { - unsigned int cpu, changed = 0; + unsigned int cpu, sibling, changed = 0; struct topology_update_data *updates, *ud; unsigned int associativity[VPHN_ASSOC_BUFSIZE] = {0}; cpumask_t updated_cpus; struct device *dev; - int weight, i = 0; + int weight, new_nid, i = 0; weight = cpumask_weight(&cpu_associativity_changes_mask); if (!weight) @@ -1464,19 +1466,46 @@ int arch_update_cpu_topology(void) cpumask_clear(&updated_cpus); for_each_cpu(cpu, &cpu_associativity_changes_mask) { - ud = &updates[i++]; - ud->cpu = cpu; - vphn_get_associativity(cpu, associativity); - ud->new_nid = associativity_to_nid(associativity); - - if (ud->new_nid < 0 || !node_online(ud->new_nid)) - ud->new_nid = first_online_node; + /* + * If siblings aren't flagged for changes, updates list + * will be too short. Skip on this update and set for next + * update. + */ + if (!cpumask_subset(cpu_sibling_mask(cpu), + &cpu_associativity_changes_mask)) { + pr_info("Sibling bits not set for associativity " + "change, cpu%d\n", cpu); + cpumask_or(&cpu_associativity_changes_mask, + &cpu_associativity_changes_mask, + cpu_sibling_mask(cpu)); + cpu = cpu_last_thread_sibling(cpu); + continue; + } - ud->old_nid = numa_cpu_lookup_table[cpu]; - cpumask_set_cpu(cpu, &updated_cpus); + /* Use associativity from first thread for all siblings */ + vphn_get_associativity(cpu, associativity); + new_nid = associativity_to_nid(associativity); + if (new_nid < 0 || !node_online(new_nid)) + new_nid = first_online_node; + + if (new_nid == numa_cpu_lookup_table[cpu]) { + cpumask_andnot(&cpu_associativity_changes_mask, + &cpu_associativity_changes_mask, + cpu_sibling_mask(cpu)); + cpu = cpu_last_thread_sibling(cpu); + continue; + } - if (i < weight) - ud->next = &updates[i]; + for_each_cpu(sibling, cpu_sibling_mask(cpu)) { + ud = &updates[i++]; + ud->cpu = sibling; + ud->new_nid = new_nid; + ud->old_nid = numa_cpu_lookup_table[sibling]; + cpumask_set_cpu(sibling, &updated_cpus); + if (i < weight) + ud->next = &updates[i]; + } + cpu = cpu_last_thread_sibling(cpu); } stop_machine(update_cpu_topology, &updates[0], &updated_cpus); diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 24a45f9..eeae308 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -484,7 +484,7 @@ static bool is_ebb_event(struct perf_event *event) * use bit 63 of the event code for something else if they wish. */ return (ppmu->flags & PPMU_EBB) && - ((event->attr.config >> EVENT_CONFIG_EBB_SHIFT) & 1); + ((event->attr.config >> PERF_EVENT_CONFIG_EBB_SHIFT) & 1); } static int ebb_event_check(struct perf_event *event) diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index 7466374..2ee4a70 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -118,7 +118,7 @@ (EVENT_UNIT_MASK << EVENT_UNIT_SHIFT) | \ (EVENT_COMBINE_MASK << EVENT_COMBINE_SHIFT) | \ (EVENT_MARKED_MASK << EVENT_MARKED_SHIFT) | \ - (EVENT_EBB_MASK << EVENT_CONFIG_EBB_SHIFT) | \ + (EVENT_EBB_MASK << PERF_EVENT_CONFIG_EBB_SHIFT) | \ EVENT_PSEL_MASK) /* MMCRA IFM bits - POWER8 */ @@ -233,10 +233,10 @@ static int power8_get_constraint(u64 event, unsigned long *maskp, unsigned long pmc = (event >> EVENT_PMC_SHIFT) & EVENT_PMC_MASK; unit = (event >> EVENT_UNIT_SHIFT) & EVENT_UNIT_MASK; cache = (event >> EVENT_CACHE_SEL_SHIFT) & EVENT_CACHE_SEL_MASK; - ebb = (event >> EVENT_CONFIG_EBB_SHIFT) & EVENT_EBB_MASK; + ebb = (event >> PERF_EVENT_CONFIG_EBB_SHIFT) & EVENT_EBB_MASK; /* Clear the EBB bit in the event, so event checks work below */ - event &= ~(EVENT_EBB_MASK << EVENT_CONFIG_EBB_SHIFT); + event &= ~(EVENT_EBB_MASK << PERF_EVENT_CONFIG_EBB_SHIFT); if (pmc) { if (pmc > 6) diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c index 9f8671a..6a5f2b1 100644 --- a/arch/powerpc/platforms/pseries/nvram.c +++ b/arch/powerpc/platforms/pseries/nvram.c @@ -569,35 +569,6 @@ error: return ret; } -static int unzip_oops(char *oops_buf, char *big_buf) -{ - struct oops_log_info *oops_hdr = (struct oops_log_info *)oops_buf; - u64 timestamp = oops_hdr->timestamp; - char *big_oops_data = NULL; - char *oops_data_buf = NULL; - size_t big_oops_data_sz; - int unzipped_len; - - big_oops_data = big_buf + sizeof(struct oops_log_info); - big_oops_data_sz = big_oops_buf_sz - sizeof(struct oops_log_info); - oops_data_buf = oops_buf + sizeof(struct oops_log_info); - - unzipped_len = nvram_decompress(oops_data_buf, big_oops_data, - oops_hdr->report_length, - big_oops_data_sz); - - if (unzipped_len < 0) { - pr_err("nvram: decompression failed; returned %d\n", - unzipped_len); - return -1; - } - oops_hdr = (struct oops_log_info *)big_buf; - oops_hdr->version = OOPS_HDR_VERSION; - oops_hdr->report_length = (u16) unzipped_len; - oops_hdr->timestamp = timestamp; - return 0; -} - static int nvram_pstore_open(struct pstore_info *psi) { /* Reset the iterator to start reading partitions again */ @@ -685,10 +656,9 @@ static ssize_t nvram_pstore_read(u64 *id, enum pstore_type_id *type, unsigned int err_type, id_no, size = 0; struct nvram_os_partition *part = NULL; char *buff = NULL, *big_buff = NULL; - int rc, sig = 0; + int sig = 0; loff_t p; -read_partition: read_type++; switch (nvram_type_ids[read_type]) { @@ -749,30 +719,46 @@ read_partition: *id = id_no; if (nvram_type_ids[read_type] == PSTORE_TYPE_DMESG) { + int length, unzipped_len; + size_t hdr_size; + oops_hdr = (struct oops_log_info *)buff; - *buf = buff + sizeof(*oops_hdr); + if (oops_hdr->version < OOPS_HDR_VERSION) { + /* Old format oops header had 2-byte record size */ + hdr_size = sizeof(u16); + length = oops_hdr->version; + time->tv_sec = 0; + time->tv_nsec = 0; + } else { + hdr_size = sizeof(*oops_hdr); + length = oops_hdr->report_length; + time->tv_sec = oops_hdr->timestamp; + time->tv_nsec = 0; + } + *buf = kmalloc(length, GFP_KERNEL); + if (*buf == NULL) + return -ENOMEM; + memcpy(*buf, buff + hdr_size, length); + kfree(buff); if (err_type == ERR_TYPE_KERNEL_PANIC_GZ) { big_buff = kmalloc(big_oops_buf_sz, GFP_KERNEL); if (!big_buff) return -ENOMEM; - rc = unzip_oops(buff, big_buff); + unzipped_len = nvram_decompress(*buf, big_buff, + length, big_oops_buf_sz); - if (rc != 0) { - kfree(buff); + if (unzipped_len < 0) { + pr_err("nvram: decompression failed, returned " + "rc %d\n", unzipped_len); kfree(big_buff); - goto read_partition; + } else { + *buf = big_buff; + length = unzipped_len; } - - oops_hdr = (struct oops_log_info *)big_buff; - *buf = big_buff + sizeof(*oops_hdr); - kfree(buff); } - - time->tv_sec = oops_hdr->timestamp; - time->tv_nsec = 0; - return oops_hdr->report_length; + return length; } *buf = buff; @@ -816,6 +802,7 @@ static int nvram_pstore_init(void) static void __init nvram_init_oops_partition(int rtas_partition_exists) { int rc; + size_t size; rc = pseries_nvram_init_os_partition(&oops_log_partition); if (rc != 0) { @@ -844,8 +831,9 @@ static void __init nvram_init_oops_partition(int rtas_partition_exists) big_oops_buf_sz = (oops_data_sz * 100) / 45; big_oops_buf = kmalloc(big_oops_buf_sz, GFP_KERNEL); if (big_oops_buf) { - stream.workspace = kmalloc(zlib_deflate_workspacesize( - WINDOW_BITS, MEM_LEVEL), GFP_KERNEL); + size = max(zlib_deflate_workspacesize(WINDOW_BITS, MEM_LEVEL), + zlib_inflate_workspacesize()); + stream.workspace = kmalloc(size, GFP_KERNEL); if (!stream.workspace) { pr_err("nvram: No memory for compression workspace; " "skipping compression of %s partition data\n", diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 22f75b5..8a4cae7 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -118,6 +118,7 @@ config S390 select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_GZIP + select HAVE_KERNEL_LZ4 select HAVE_KERNEL_LZMA select HAVE_KERNEL_LZO select HAVE_KERNEL_XZ @@ -227,11 +228,12 @@ config MARCH_Z196 not work on older machines. config MARCH_ZEC12 - bool "IBM zEC12" + bool "IBM zBC12 and zEC12" select HAVE_MARCH_ZEC12_FEATURES if 64BIT help - Select this to enable optimizations for IBM zEC12 (2827 series). The - kernel will be slightly faster but will not work on older machines. + Select this to enable optimizations for IBM zBC12 and zEC12 (2828 and + 2827 series). The kernel will be slightly faster but will not work on + older machines. endchoice @@ -709,6 +711,7 @@ config S390_GUEST def_bool y prompt "s390 support for virtio devices" depends on 64BIT + select TTY select VIRTUALIZATION select VIRTIO select VIRTIO_CONSOLE diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile index 3ad8f61..866ecbe 100644 --- a/arch/s390/boot/compressed/Makefile +++ b/arch/s390/boot/compressed/Makefile @@ -6,9 +6,9 @@ BITS := $(if $(CONFIG_64BIT),64,31) -targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ - vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o \ - sizes.h head$(BITS).o +targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 +targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 +targets += misc.o piggy.o sizes.h head$(BITS).o KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING @@ -48,6 +48,7 @@ vmlinux.bin.all-y := $(obj)/vmlinux.bin suffix-$(CONFIG_KERNEL_GZIP) := gz suffix-$(CONFIG_KERNEL_BZIP2) := bz2 +suffix-$(CONFIG_KERNEL_LZ4) := lz4 suffix-$(CONFIG_KERNEL_LZMA) := lzma suffix-$(CONFIG_KERNEL_LZO) := lzo suffix-$(CONFIG_KERNEL_XZ) := xz @@ -56,6 +57,8 @@ $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) $(call if_changed,gzip) $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) $(call if_changed,bzip2) +$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) + $(call if_changed,lz4) $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) $(call if_changed,lzma) $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c index c4c6a1c..57cbaff 100644 --- a/arch/s390/boot/compressed/misc.c +++ b/arch/s390/boot/compressed/misc.c @@ -47,6 +47,10 @@ static unsigned long free_mem_end_ptr; #include "../../../../lib/decompress_bunzip2.c" #endif +#ifdef CONFIG_KERNEL_LZ4 +#include "../../../../lib/decompress_unlz4.c" +#endif + #ifdef CONFIG_KERNEL_LZMA #include "../../../../lib/decompress_unlzma.c" #endif diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h index 4d8604e..7d46767 100644 --- a/arch/s390/include/asm/bitops.h +++ b/arch/s390/include/asm/bitops.h @@ -693,7 +693,7 @@ static inline int find_next_bit_left(const unsigned long *addr, size -= offset; p = addr + offset / BITS_PER_LONG; if (bit) { - set = __flo_word(0, *p & (~0UL << bit)); + set = __flo_word(0, *p & (~0UL >> bit)); if (set >= size) return size + offset; if (set < BITS_PER_LONG) diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index b75d7d6..6d6d92b 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -32,6 +32,7 @@ struct mmu_gather { struct mm_struct *mm; struct mmu_table_batch *batch; unsigned int fullmm; + unsigned long start, end; }; struct mmu_table_batch { @@ -48,10 +49,13 @@ extern void tlb_remove_table(struct mmu_gather *tlb, void *table); static inline void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, - unsigned int full_mm_flush) + unsigned long start, + unsigned long end) { tlb->mm = mm; - tlb->fullmm = full_mm_flush; + tlb->start = start; + tlb->end = end; + tlb->fullmm = !(start | (end+1)); tlb->batch = NULL; if (tlb->fullmm) __tlb_flush_mm(mm); diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c index a6fc037..500aa10 100644 --- a/arch/s390/kernel/perf_event.c +++ b/arch/s390/kernel/perf_event.c @@ -52,12 +52,13 @@ static struct kvm_s390_sie_block *sie_block(struct pt_regs *regs) static bool is_in_guest(struct pt_regs *regs) { - unsigned long ip = instruction_pointer(regs); - if (user_mode(regs)) return false; - - return ip == (unsigned long) &sie_exit; +#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE) + return instruction_pointer(regs) == (unsigned long) &sie_exit; +#else + return false; +#endif } static unsigned long guest_is_user_mode(struct pt_regs *regs) diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 497451e..aeed8a6 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -994,6 +994,7 @@ static void __init setup_hwcaps(void) strcpy(elf_platform, "z196"); break; case 0x2827: + case 0x2828: strcpy(elf_platform, "zEC12"); break; } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index ba694d2..34c1c9a 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -702,14 +702,25 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) return rc; vcpu->arch.sie_block->icptcode = 0; - preempt_disable(); - kvm_guest_enter(); - preempt_enable(); VCPU_EVENT(vcpu, 6, "entering sie flags %x", atomic_read(&vcpu->arch.sie_block->cpuflags)); trace_kvm_s390_sie_enter(vcpu, atomic_read(&vcpu->arch.sie_block->cpuflags)); + + /* + * As PF_VCPU will be used in fault handler, between guest_enter + * and guest_exit should be no uaccess. + */ + preempt_disable(); + kvm_guest_enter(); + preempt_enable(); rc = sie64a(vcpu->arch.sie_block, vcpu->run->s.regs.gprs); + kvm_guest_exit(); + + VCPU_EVENT(vcpu, 6, "exit sie icptcode %d", + vcpu->arch.sie_block->icptcode); + trace_kvm_s390_sie_exit(vcpu, vcpu->arch.sie_block->icptcode); + if (rc > 0) rc = 0; if (rc < 0) { @@ -721,10 +732,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) rc = kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); } } - VCPU_EVENT(vcpu, 6, "exit sie icptcode %d", - vcpu->arch.sie_block->icptcode); - trace_kvm_s390_sie_exit(vcpu, vcpu->arch.sie_block->icptcode); - kvm_guest_exit(); memcpy(&vcpu->run->s.regs.gprs[14], &vcpu->arch.sie_block->gg14, 16); return rc; diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 0da3e6e..4cdc54e 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -16,6 +16,7 @@ #include <linux/errno.h> #include <linux/compat.h> #include <asm/asm-offsets.h> +#include <asm/facility.h> #include <asm/current.h> #include <asm/debug.h> #include <asm/ebcdic.h> @@ -532,8 +533,7 @@ static int handle_pfmf(struct kvm_vcpu *vcpu) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); /* Only provide non-quiescing support if the host supports it */ - if (vcpu->run->s.regs.gprs[reg1] & PFMF_NQ && - S390_lowcore.stfl_fac_list & 0x00020000) + if (vcpu->run->s.regs.gprs[reg1] & PFMF_NQ && !test_facility(14)) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); /* No support for conditional-SSKE */ diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index ce36ea8..ad446b0 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -69,6 +69,7 @@ static void __init setup_zero_pages(void) order = 2; break; case 0x2827: /* zEC12 */ + case 0x2828: /* zEC12 */ default: order = 5; break; diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index ffeb17c..930783d 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -440,7 +440,7 @@ static int oprofile_hwsampler_init(struct oprofile_operations *ops) switch (id.machine) { case 0x2097: case 0x2098: ops->cpu_type = "s390/z10"; break; case 0x2817: case 0x2818: ops->cpu_type = "s390/z196"; break; - case 0x2827: ops->cpu_type = "s390/zEC12"; break; + case 0x2827: case 0x2828: ops->cpu_type = "s390/zEC12"; break; default: return -ENODEV; } } diff --git a/arch/score/Kconfig b/arch/score/Kconfig index c8def8b..5fc2375 100644 --- a/arch/score/Kconfig +++ b/arch/score/Kconfig @@ -87,6 +87,8 @@ config STACKTRACE_SUPPORT source "init/Kconfig" +source "kernel/Kconfig.freezer" + config MMU def_bool y diff --git a/arch/sh/configs/sh03_defconfig b/arch/sh/configs/sh03_defconfig index 2051821..0cf4097 100644 --- a/arch/sh/configs/sh03_defconfig +++ b/arch/sh/configs/sh03_defconfig @@ -22,7 +22,7 @@ CONFIG_PREEMPT=y CONFIG_CMDLINE_OVERWRITE=y CONFIG_CMDLINE="console=ttySC1,115200 mem=64M root=/dev/nfs" CONFIG_PCI=y -CONFIG_HOTPLUG_PCI=m +CONFIG_HOTPLUG_PCI=y CONFIG_BINFMT_MISC=y CONFIG_NET=y CONFIG_PACKET=y diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h index e61d43d..362192e 100644 --- a/arch/sh/include/asm/tlb.h +++ b/arch/sh/include/asm/tlb.h @@ -36,10 +36,12 @@ static inline void init_tlb_gather(struct mmu_gather *tlb) } static inline void -tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end) { tlb->mm = mm; - tlb->fullmm = full_mm_flush; + tlb->start = start; + tlb->end = end; + tlb->fullmm = !(start | (end+1)); init_tlb_gather(tlb); } diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h index 4febacd..29b0301 100644 --- a/arch/um/include/asm/tlb.h +++ b/arch/um/include/asm/tlb.h @@ -45,10 +45,12 @@ static inline void init_tlb_gather(struct mmu_gather *tlb) } static inline void -tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end) { tlb->mm = mm; - tlb->fullmm = full_mm_flush; + tlb->start = start; + tlb->end = end; + tlb->fullmm = !(start | (end+1)); init_tlb_gather(tlb); } diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index d606463..b7388a4 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -225,7 +225,7 @@ static void low_free(unsigned long size, unsigned long addr) unsigned long nr_pages; nr_pages = round_up(size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE; - efi_call_phys2(sys_table->boottime->free_pages, addr, size); + efi_call_phys2(sys_table->boottime->free_pages, addr, nr_pages); } static void find_bits(unsigned long mask, u8 *pos, u8 *size) diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h index f2b489c..3bf2dd0 100644 --- a/arch/x86/include/asm/pgtable-2level.h +++ b/arch/x86/include/asm/pgtable-2level.h @@ -55,9 +55,53 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp) #define native_pmdp_get_and_clear(xp) native_local_pmdp_get_and_clear(xp) #endif +#ifdef CONFIG_MEM_SOFT_DIRTY + +/* + * Bits _PAGE_BIT_PRESENT, _PAGE_BIT_FILE, _PAGE_BIT_SOFT_DIRTY and + * _PAGE_BIT_PROTNONE are taken, split up the 28 bits of offset + * into this range. + */ +#define PTE_FILE_MAX_BITS 28 +#define PTE_FILE_SHIFT1 (_PAGE_BIT_PRESENT + 1) +#define PTE_FILE_SHIFT2 (_PAGE_BIT_FILE + 1) +#define PTE_FILE_SHIFT3 (_PAGE_BIT_PROTNONE + 1) +#define PTE_FILE_SHIFT4 (_PAGE_BIT_SOFT_DIRTY + 1) +#define PTE_FILE_BITS1 (PTE_FILE_SHIFT2 - PTE_FILE_SHIFT1 - 1) +#define PTE_FILE_BITS2 (PTE_FILE_SHIFT3 - PTE_FILE_SHIFT2 - 1) +#define PTE_FILE_BITS3 (PTE_FILE_SHIFT4 - PTE_FILE_SHIFT3 - 1) + +#define pte_to_pgoff(pte) \ + ((((pte).pte_low >> (PTE_FILE_SHIFT1)) \ + & ((1U << PTE_FILE_BITS1) - 1))) \ + + ((((pte).pte_low >> (PTE_FILE_SHIFT2)) \ + & ((1U << PTE_FILE_BITS2) - 1)) \ + << (PTE_FILE_BITS1)) \ + + ((((pte).pte_low >> (PTE_FILE_SHIFT3)) \ + & ((1U << PTE_FILE_BITS3) - 1)) \ + << (PTE_FILE_BITS1 + PTE_FILE_BITS2)) \ + + ((((pte).pte_low >> (PTE_FILE_SHIFT4))) \ + << (PTE_FILE_BITS1 + PTE_FILE_BITS2 + PTE_FILE_BITS3)) + +#define pgoff_to_pte(off) \ + ((pte_t) { .pte_low = \ + ((((off)) & ((1U << PTE_FILE_BITS1) - 1)) << PTE_FILE_SHIFT1) \ + + ((((off) >> PTE_FILE_BITS1) \ + & ((1U << PTE_FILE_BITS2) - 1)) \ + << PTE_FILE_SHIFT2) \ + + ((((off) >> (PTE_FILE_BITS1 + PTE_FILE_BITS2)) \ + & ((1U << PTE_FILE_BITS3) - 1)) \ + << PTE_FILE_SHIFT3) \ + + ((((off) >> \ + (PTE_FILE_BITS1 + PTE_FILE_BITS2 + PTE_FILE_BITS3))) \ + << PTE_FILE_SHIFT4) \ + + _PAGE_FILE }) + +#else /* CONFIG_MEM_SOFT_DIRTY */ + /* * Bits _PAGE_BIT_PRESENT, _PAGE_BIT_FILE and _PAGE_BIT_PROTNONE are taken, - * split up the 29 bits of offset into this range: + * split up the 29 bits of offset into this range. */ #define PTE_FILE_MAX_BITS 29 #define PTE_FILE_SHIFT1 (_PAGE_BIT_PRESENT + 1) @@ -88,6 +132,8 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp) << PTE_FILE_SHIFT3) \ + _PAGE_FILE }) +#endif /* CONFIG_MEM_SOFT_DIRTY */ + /* Encode and de-code a swap entry */ #if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE #define SWP_TYPE_BITS (_PAGE_BIT_FILE - _PAGE_BIT_PRESENT - 1) diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index 4cc9f2b..81bb91b 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -179,6 +179,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *pmdp) /* * Bits 0, 6 and 7 are taken in the low part of the pte, * put the 32 bits of offset into the high part. + * + * For soft-dirty tracking 11 bit is taken from + * the low part of pte as well. */ #define pte_to_pgoff(pte) ((pte).pte_high) #define pgoff_to_pte(off) \ diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 7dc305a..1c00631 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -314,6 +314,36 @@ static inline pmd_t pmd_mksoft_dirty(pmd_t pmd) return pmd_set_flags(pmd, _PAGE_SOFT_DIRTY); } +static inline pte_t pte_swp_mksoft_dirty(pte_t pte) +{ + return pte_set_flags(pte, _PAGE_SWP_SOFT_DIRTY); +} + +static inline int pte_swp_soft_dirty(pte_t pte) +{ + return pte_flags(pte) & _PAGE_SWP_SOFT_DIRTY; +} + +static inline pte_t pte_swp_clear_soft_dirty(pte_t pte) +{ + return pte_clear_flags(pte, _PAGE_SWP_SOFT_DIRTY); +} + +static inline pte_t pte_file_clear_soft_dirty(pte_t pte) +{ + return pte_clear_flags(pte, _PAGE_SOFT_DIRTY); +} + +static inline pte_t pte_file_mksoft_dirty(pte_t pte) +{ + return pte_set_flags(pte, _PAGE_SOFT_DIRTY); +} + +static inline int pte_file_soft_dirty(pte_t pte) +{ + return pte_flags(pte) & _PAGE_SOFT_DIRTY; +} + /* * Mask out unsupported bits in a present pgprot. Non-present pgprots * can use those bits for other purposes, so leave them be. diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index c98ac63..f4843e0 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -61,12 +61,27 @@ * they do not conflict with each other. */ +#define _PAGE_BIT_SOFT_DIRTY _PAGE_BIT_HIDDEN + #ifdef CONFIG_MEM_SOFT_DIRTY -#define _PAGE_SOFT_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN) +#define _PAGE_SOFT_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_SOFT_DIRTY) #else #define _PAGE_SOFT_DIRTY (_AT(pteval_t, 0)) #endif +/* + * Tracking soft dirty bit when a page goes to a swap is tricky. + * We need a bit which can be stored in pte _and_ not conflict + * with swap entry format. On x86 bits 6 and 7 are *not* involved + * into swap entry computation, but bit 6 is used for nonlinear + * file mapping, so we borrow bit 7 for soft dirty tracking. + */ +#ifdef CONFIG_MEM_SOFT_DIRTY +#define _PAGE_SWP_SOFT_DIRTY _PAGE_PSE +#else +#define _PAGE_SWP_SOFT_DIRTY (_AT(pteval_t, 0)) +#endif + #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) #else diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h index 33692ea..e3ddd7d 100644 --- a/arch/x86/include/asm/spinlock.h +++ b/arch/x86/include/asm/spinlock.h @@ -233,8 +233,4 @@ static inline void arch_write_unlock(arch_rwlock_t *rw) #define arch_read_relax(lock) cpu_relax() #define arch_write_relax(lock) cpu_relax() -/* The {read|write|spin}_lock() on x86 are full memory barriers. */ -static inline void smp_mb__after_lock(void) { } -#define ARCH_HAS_SMP_MB_AFTER_LOCK - #endif /* _ASM_X86_SPINLOCK_H */ diff --git a/arch/x86/kernel/cpu/mcheck/mce-severity.c b/arch/x86/kernel/cpu/mcheck/mce-severity.c index e2703520..c370e1c 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-severity.c +++ b/arch/x86/kernel/cpu/mcheck/mce-severity.c @@ -111,8 +111,8 @@ static struct severity { #ifdef CONFIG_MEMORY_FAILURE MCESEV( KEEP, "Action required but unaffected thread is continuable", - SER, MASK(MCI_STATUS_OVER|MCI_UC_SAR|MCI_ADDR|MCACOD, MCI_UC_SAR|MCI_ADDR), - MCGMASK(MCG_STATUS_RIPV, MCG_STATUS_RIPV) + SER, MASK(MCI_STATUS_OVER|MCI_UC_SAR|MCI_ADDR, MCI_UC_SAR|MCI_ADDR), + MCGMASK(MCG_STATUS_RIPV|MCG_STATUS_EIPV, MCG_STATUS_RIPV) ), MCESEV( AR, "Action required: data load error in a user process", diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index fbc9210..a45d8d4 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -2270,6 +2270,7 @@ __init int intel_pmu_init(void) case 70: case 71: case 63: + case 69: x86_pmu.late_ack = true; memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids)); memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, sizeof(hw_cache_extra_regs)); diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c index cad791d..1fb6c72 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c @@ -314,8 +314,8 @@ static struct uncore_event_desc snbep_uncore_imc_events[] = { static struct uncore_event_desc snbep_uncore_qpi_events[] = { INTEL_UNCORE_EVENT_DESC(clockticks, "event=0x14"), INTEL_UNCORE_EVENT_DESC(txl_flits_active, "event=0x00,umask=0x06"), - INTEL_UNCORE_EVENT_DESC(drs_data, "event=0x02,umask=0x08"), - INTEL_UNCORE_EVENT_DESC(ncb_data, "event=0x03,umask=0x04"), + INTEL_UNCORE_EVENT_DESC(drs_data, "event=0x102,umask=0x08"), + INTEL_UNCORE_EVENT_DESC(ncb_data, "event=0x103,umask=0x04"), { /* end: all zeroes */ }, }; diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 94ab6b9..63bdb29 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -196,15 +196,23 @@ static void __init ati_bugs_contd(int num, int slot, int func) static void __init intel_remapping_check(int num, int slot, int func) { u8 revision; + u16 device; + device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID); revision = read_pci_config_byte(num, slot, func, PCI_REVISION_ID); /* - * Revision 0x13 of this chipset supports irq remapping - * but has an erratum that breaks its behavior, flag it as such + * Revision 13 of all triggering devices id in this quirk have + * a problem draining interrupts when irq remapping is enabled, + * and should be flagged as broken. Additionally revisions 0x12 + * and 0x22 of device id 0x3405 has this problem. */ if (revision == 0x13) set_irq_remapping_broken(); + else if ((device == 0x3405) && + ((revision == 0x12) || + (revision == 0x22))) + set_irq_remapping_broken(); } @@ -239,6 +247,8 @@ static struct chipset early_qrk[] __initdata = { PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd }, { PCI_VENDOR_ID_INTEL, 0x3403, PCI_CLASS_BRIDGE_HOST, PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check }, + { PCI_VENDOR_ID_INTEL, 0x3405, PCI_CLASS_BRIDGE_HOST, + PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check }, { PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST, PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check }, {} diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index 202d24f..5d576ab 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -116,7 +116,7 @@ static void mxcsr_feature_mask_init(void) if (cpu_has_fxsr) { memset(&fx_scratch, 0, sizeof(struct i387_fxsave_struct)); - asm volatile("fxsave %0" : : "m" (fx_scratch)); + asm volatile("fxsave %0" : "+m" (fx_scratch)); mask = fx_scratch.mxcsr_mask; if (mask == 0) mask = 0x0000ffbf; diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 47ebb1d..7a0adb7 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -220,12 +220,13 @@ int apply_microcode_amd(int cpu) return 0; } - if (__apply_microcode_amd(mc_amd)) + if (__apply_microcode_amd(mc_amd)) { pr_err("CPU%d: update failed for patch_level=0x%08x\n", cpu, mc_amd->hdr.patch_id); - else - pr_info("CPU%d: new patch_level=0x%08x\n", cpu, - mc_amd->hdr.patch_id); + return -1; + } + pr_info("CPU%d: new patch_level=0x%08x\n", cpu, + mc_amd->hdr.patch_id); uci->cpu_sig.rev = mc_amd->hdr.patch_id; c->microcode = mc_amd->hdr.patch_id; diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index dbded5a..48f8375 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c @@ -101,7 +101,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin, *begin = new_begin; } } else { - *begin = TASK_UNMAPPED_BASE; + *begin = mmap_legacy_base(); *end = TASK_SIZE; } } diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c index 62c29a5..f63778c 100644 --- a/arch/x86/mm/mmap.c +++ b/arch/x86/mm/mmap.c @@ -98,7 +98,7 @@ static unsigned long mmap_base(void) * Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64 * does, but not when emulating X86_32 */ -static unsigned long mmap_legacy_base(void) +unsigned long mmap_legacy_base(void) { if (mmap_is_ia32()) return TASK_UNMAPPED_BASE; diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c index 643b8b5e..8244f5e 100644 --- a/arch/x86/platform/ce4100/ce4100.c +++ b/arch/x86/platform/ce4100/ce4100.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/irq.h> #include <linux/module.h> +#include <linux/reboot.h> #include <linux/serial_reg.h> #include <linux/serial_8250.h> #include <linux/reboot.h> diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c index d21167b..dc34a5b 100644 --- a/drivers/accessibility/braille/braille_console.c +++ b/drivers/accessibility/braille/braille_console.c @@ -359,6 +359,9 @@ int braille_register_console(struct console *console, int index, char *console_options, char *braille_options) { int ret; + + if (!(console->flags & CON_BRL)) + return 0; if (!console_options) /* Only support VisioBraille for now */ console_options = "57600o8"; @@ -374,15 +377,17 @@ int braille_register_console(struct console *console, int index, braille_co = console; register_keyboard_notifier(&keyboard_notifier_block); register_vt_notifier(&vt_notifier_block); - return 0; + return 1; } int braille_unregister_console(struct console *console) { if (braille_co != console) return -EINVAL; + if (!(console->flags & CON_BRL)) + return 0; unregister_keyboard_notifier(&keyboard_notifier_block); unregister_vt_notifier(&vt_notifier_block); braille_co = NULL; - return 0; + return 1; } diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index fd6c51c..5a74a9c 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -451,7 +451,6 @@ static void acpi_processor_remove(struct acpi_device *device) /* Clean up. */ per_cpu(processor_device_array, pr->id) = NULL; per_cpu(processors, pr->id) = NULL; - try_offline_node(cpu_to_node(pr->id)); /* Remove the CPU. */ get_online_cpus(); @@ -459,6 +458,8 @@ static void acpi_processor_remove(struct acpi_device *device) acpi_unmap_lsapic(pr->id); put_online_cpus(); + try_offline_node(cpu_to_node(pr->id)); + out: free_cpumask_var(pr->throttling.shared_cpu_map); kfree(pr); diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 082b4dd..d405fba 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -117,6 +117,7 @@ struct acpi_battery { struct acpi_device *device; struct notifier_block pm_nb; unsigned long update_time; + int revision; int rate_now; int capacity_now; int voltage_now; @@ -359,6 +360,7 @@ static struct acpi_offsets info_offsets[] = { }; static struct acpi_offsets extended_info_offsets[] = { + {offsetof(struct acpi_battery, revision), 0}, {offsetof(struct acpi_battery, power_unit), 0}, {offsetof(struct acpi_battery, design_capacity), 0}, {offsetof(struct acpi_battery, full_charge_capacity), 0}, diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index f680957..408f6b2 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -31,6 +31,7 @@ static LIST_HEAD(bus_type_list); static DECLARE_RWSEM(bus_type_sem); #define PHYSICAL_NODE_STRING "physical_node" +#define PHYSICAL_NODE_NAME_SIZE (sizeof(PHYSICAL_NODE_STRING) + 10) int register_acpi_bus_type(struct acpi_bus_type *type) { @@ -78,41 +79,108 @@ static struct acpi_bus_type *acpi_get_bus_type(struct device *dev) return ret; } -static acpi_status do_acpi_find_child(acpi_handle handle, u32 lvl_not_used, - void *addr_p, void **ret_p) +static acpi_status acpi_dev_present(acpi_handle handle, u32 lvl_not_used, + void *not_used, void **ret_p) { - unsigned long long addr, sta; - acpi_status status; + struct acpi_device *adev = NULL; - status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &addr); - if (ACPI_SUCCESS(status) && addr == *((u64 *)addr_p)) { + acpi_bus_get_device(handle, &adev); + if (adev) { *ret_p = handle; - status = acpi_bus_get_status_handle(handle, &sta); - if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_ENABLED)) - return AE_CTRL_TERMINATE; + return AE_CTRL_TERMINATE; } return AE_OK; } -acpi_handle acpi_get_child(acpi_handle parent, u64 address) +static bool acpi_extra_checks_passed(acpi_handle handle, bool is_bridge) { - void *ret = NULL; + unsigned long long sta; + acpi_status status; + + status = acpi_bus_get_status_handle(handle, &sta); + if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_ENABLED)) + return false; + + if (is_bridge) { + void *test = NULL; + + /* Check if this object has at least one child device. */ + acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1, + acpi_dev_present, NULL, NULL, &test); + return !!test; + } + return true; +} + +struct find_child_context { + u64 addr; + bool is_bridge; + acpi_handle ret; + bool ret_checked; +}; + +static acpi_status do_find_child(acpi_handle handle, u32 lvl_not_used, + void *data, void **not_used) +{ + struct find_child_context *context = data; + unsigned long long addr; + acpi_status status; - if (!parent) - return NULL; + status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &addr); + if (ACPI_FAILURE(status) || addr != context->addr) + return AE_OK; - acpi_walk_namespace(ACPI_TYPE_DEVICE, parent, 1, NULL, - do_acpi_find_child, &address, &ret); - return (acpi_handle)ret; + if (!context->ret) { + /* This is the first matching object. Save its handle. */ + context->ret = handle; + return AE_OK; + } + /* + * There is more than one matching object with the same _ADR value. + * That really is unexpected, so we are kind of beyond the scope of the + * spec here. We have to choose which one to return, though. + * + * First, check if the previously found object is good enough and return + * its handle if so. Second, check the same for the object that we've + * just found. + */ + if (!context->ret_checked) { + if (acpi_extra_checks_passed(context->ret, context->is_bridge)) + return AE_CTRL_TERMINATE; + else + context->ret_checked = true; + } + if (acpi_extra_checks_passed(handle, context->is_bridge)) { + context->ret = handle; + return AE_CTRL_TERMINATE; + } + return AE_OK; } -EXPORT_SYMBOL(acpi_get_child); + +acpi_handle acpi_find_child(acpi_handle parent, u64 addr, bool is_bridge) +{ + if (parent) { + struct find_child_context context = { + .addr = addr, + .is_bridge = is_bridge, + }; + + acpi_walk_namespace(ACPI_TYPE_DEVICE, parent, 1, do_find_child, + NULL, &context, NULL); + return context.ret; + } + return NULL; +} +EXPORT_SYMBOL_GPL(acpi_find_child); int acpi_bind_one(struct device *dev, acpi_handle handle) { struct acpi_device *acpi_dev; acpi_status status; struct acpi_device_physical_node *physical_node, *pn; - char physical_node_name[sizeof(PHYSICAL_NODE_STRING) + 2]; + char physical_node_name[PHYSICAL_NODE_NAME_SIZE]; + struct list_head *physnode_list; + unsigned int node_id; int retval = -EINVAL; if (ACPI_HANDLE(dev)) { @@ -139,25 +207,27 @@ int acpi_bind_one(struct device *dev, acpi_handle handle) mutex_lock(&acpi_dev->physical_node_lock); - /* Sanity check. */ - list_for_each_entry(pn, &acpi_dev->physical_node_list, node) + /* + * Keep the list sorted by node_id so that the IDs of removed nodes can + * be recycled easily. + */ + physnode_list = &acpi_dev->physical_node_list; + node_id = 0; + list_for_each_entry(pn, &acpi_dev->physical_node_list, node) { + /* Sanity check. */ if (pn->dev == dev) { dev_warn(dev, "Already associated with ACPI node\n"); goto err_free; } - - /* allocate physical node id according to physical_node_id_bitmap */ - physical_node->node_id = - find_first_zero_bit(acpi_dev->physical_node_id_bitmap, - ACPI_MAX_PHYSICAL_NODE); - if (physical_node->node_id >= ACPI_MAX_PHYSICAL_NODE) { - retval = -ENOSPC; - goto err_free; + if (pn->node_id == node_id) { + physnode_list = &pn->node; + node_id++; + } } - set_bit(physical_node->node_id, acpi_dev->physical_node_id_bitmap); + physical_node->node_id = node_id; physical_node->dev = dev; - list_add_tail(&physical_node->node, &acpi_dev->physical_node_list); + list_add(&physical_node->node, physnode_list); acpi_dev->physical_node_count++; mutex_unlock(&acpi_dev->physical_node_lock); @@ -208,7 +278,7 @@ int acpi_unbind_one(struct device *dev) mutex_lock(&acpi_dev->physical_node_lock); list_for_each_safe(node, next, &acpi_dev->physical_node_list) { - char physical_node_name[sizeof(PHYSICAL_NODE_STRING) + 2]; + char physical_node_name[PHYSICAL_NODE_NAME_SIZE]; entry = list_entry(node, struct acpi_device_physical_node, node); @@ -216,7 +286,6 @@ int acpi_unbind_one(struct device *dev) continue; list_del(node); - clear_bit(entry->node_id, acpi_dev->physical_node_id_bitmap); acpi_dev->physical_node_count--; diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c index aa1227a..04a1378 100644 --- a/drivers/acpi/proc.c +++ b/drivers/acpi/proc.c @@ -311,6 +311,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) dev->pnp.bus_id, (u32) dev->wakeup.sleep_state); + mutex_lock(&dev->physical_node_lock); + if (!dev->physical_node_count) { seq_printf(seq, "%c%-8s\n", dev->wakeup.flags.run_wake ? '*' : ' ', @@ -338,6 +340,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) put_device(ldev); } } + + mutex_unlock(&dev->physical_node_lock); } mutex_unlock(&acpi_device_lock); return 0; @@ -347,12 +351,16 @@ static void physical_device_enable_wakeup(struct acpi_device *adev) { struct acpi_device_physical_node *entry; + mutex_lock(&adev->physical_node_lock); + list_for_each_entry(entry, &adev->physical_node_list, node) if (entry->dev && device_can_wakeup(entry->dev)) { bool enable = !device_may_wakeup(entry->dev); device_set_wakeup_enable(entry->dev, enable); } + + mutex_unlock(&adev->physical_node_lock); } static ssize_t diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 0ec434d..e1284b8 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -689,7 +689,7 @@ static int acpi_video_bqc_quirk(struct acpi_video_device *device, * Some systems always report current brightness level as maximum * through _BQC, we need to test another value for them. */ - test_level = current_level == max_level ? br->levels[2] : max_level; + test_level = current_level == max_level ? br->levels[3] : max_level; result = acpi_video_device_lcd_set_level(device, test_level); if (result) diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c index 4ec7c04..26386f0 100644 --- a/drivers/ata/pata_imx.c +++ b/drivers/ata/pata_imx.c @@ -237,6 +237,7 @@ static const struct of_device_id imx_pata_dt_ids[] = { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, imx_pata_dt_ids); static struct platform_driver pata_imx_driver = { .probe = pata_imx_probe, diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index e691026..3455f83 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -719,7 +719,8 @@ static int regcache_sync_block_raw(struct regmap *map, void *block, } } - return regcache_sync_block_raw_flush(map, &data, base, regtmp); + return regcache_sync_block_raw_flush(map, &data, base, regtmp + + map->reg_stride); } int regcache_sync_block(struct regmap *map, void *block, diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 99cb944..4d45dba 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -906,16 +906,10 @@ bio_pageinc(struct bio *bio) int i; bio_for_each_segment(bv, bio, i) { - page = bv->bv_page; /* Non-zero page count for non-head members of - * compound pages is no longer allowed by the kernel, - * but this has never been seen here. + * compound pages is no longer allowed by the kernel. */ - if (unlikely(PageCompound(page))) - if (compound_trans_head(page) != page) { - pr_crit("page tail used for block I/O\n"); - BUG(); - } + page = compound_trans_head(bv->bv_page); atomic_inc(&page->_count); } } @@ -924,10 +918,13 @@ static void bio_pagedec(struct bio *bio) { struct bio_vec *bv; + struct page *page; int i; - bio_for_each_segment(bv, bio, i) - atomic_dec(&bv->bv_page->_count); + bio_for_each_segment(bv, bio, i) { + page = compound_trans_head(bv->bv_page); + atomic_dec(&page->_count); + } } static void diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index 11f467c..a12b923 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -91,6 +91,10 @@ static struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x0489, 0xe04e) }, { USB_DEVICE(0x0489, 0xe056) }, { USB_DEVICE(0x0489, 0xe04d) }, + { USB_DEVICE(0x04c5, 0x1330) }, + { USB_DEVICE(0x13d3, 0x3402) }, + { USB_DEVICE(0x0cf3, 0x3121) }, + { USB_DEVICE(0x0cf3, 0xe003) }, /* Atheros AR5BBU12 with sflash firmware */ { USB_DEVICE(0x0489, 0xE02C) }, @@ -128,6 +132,10 @@ static struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, /* Atheros AR5BBU22 with sflash firmware */ { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 }, @@ -193,24 +201,44 @@ error: static int ath3k_get_state(struct usb_device *udev, unsigned char *state) { - int pipe = 0; + int ret, pipe = 0; + char *buf; + + buf = kmalloc(sizeof(*buf), GFP_KERNEL); + if (!buf) + return -ENOMEM; pipe = usb_rcvctrlpipe(udev, 0); - return usb_control_msg(udev, pipe, ATH3K_GETSTATE, - USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, - state, 0x01, USB_CTRL_SET_TIMEOUT); + ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE, + USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, + buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT); + + *state = *buf; + kfree(buf); + + return ret; } static int ath3k_get_version(struct usb_device *udev, struct ath3k_version *version) { - int pipe = 0; + int ret, pipe = 0; + struct ath3k_version *buf; + const int size = sizeof(*buf); + + buf = kmalloc(size, GFP_KERNEL); + if (!buf) + return -ENOMEM; pipe = usb_rcvctrlpipe(udev, 0); - return usb_control_msg(udev, pipe, ATH3K_GETVERSION, - USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, version, - sizeof(struct ath3k_version), - USB_CTRL_SET_TIMEOUT); + ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION, + USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, + buf, size, USB_CTRL_SET_TIMEOUT); + + memcpy(version, buf, size); + kfree(buf); + + return ret; } static int ath3k_load_fwfile(struct usb_device *udev, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index de4cf4d..8e16f0a 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -154,6 +154,10 @@ static struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, /* Atheros AR5BBU12 with sflash firmware */ { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, @@ -1095,7 +1099,7 @@ static int btusb_setup_intel_patching(struct hci_dev *hdev, if (IS_ERR(skb)) { BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", hdev->name, cmd->opcode, PTR_ERR(skb)); - return -PTR_ERR(skb); + return PTR_ERR(skb); } /* It ensures that the returned event matches the event data read from @@ -1147,7 +1151,7 @@ static int btusb_setup_intel(struct hci_dev *hdev) if (IS_ERR(skb)) { BT_ERR("%s sending initial HCI reset command failed (%ld)", hdev->name, PTR_ERR(skb)); - return -PTR_ERR(skb); + return PTR_ERR(skb); } kfree_skb(skb); @@ -1161,7 +1165,7 @@ static int btusb_setup_intel(struct hci_dev *hdev) if (IS_ERR(skb)) { BT_ERR("%s reading Intel fw version command failed (%ld)", hdev->name, PTR_ERR(skb)); - return -PTR_ERR(skb); + return PTR_ERR(skb); } if (skb->len != sizeof(*ver)) { @@ -1219,7 +1223,7 @@ static int btusb_setup_intel(struct hci_dev *hdev) BT_ERR("%s entering Intel manufacturer mode failed (%ld)", hdev->name, PTR_ERR(skb)); release_firmware(fw); - return -PTR_ERR(skb); + return PTR_ERR(skb); } if (skb->data[0]) { @@ -1276,7 +1280,7 @@ static int btusb_setup_intel(struct hci_dev *hdev) if (IS_ERR(skb)) { BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", hdev->name, PTR_ERR(skb)); - return -PTR_ERR(skb); + return PTR_ERR(skb); } kfree_skb(skb); @@ -1292,7 +1296,7 @@ exit_mfg_disable: if (IS_ERR(skb)) { BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", hdev->name, PTR_ERR(skb)); - return -PTR_ERR(skb); + return PTR_ERR(skb); } kfree_skb(skb); @@ -1310,7 +1314,7 @@ exit_mfg_deactivate: if (IS_ERR(skb)) { BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", hdev->name, PTR_ERR(skb)); - return -PTR_ERR(skb); + return PTR_ERR(skb); } kfree_skb(skb); diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c index bf5d247..15f2e70 100644 --- a/drivers/char/agp/parisc-agp.c +++ b/drivers/char/agp/parisc-agp.c @@ -129,7 +129,8 @@ parisc_agp_insert_memory(struct agp_memory *mem, off_t pg_start, int type) off_t j, io_pg_start; int io_pg_count; - if (type != 0 || mem->type != 0) { + if (type != mem->type || + agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type)) { return -EINVAL; } @@ -175,7 +176,8 @@ parisc_agp_remove_memory(struct agp_memory *mem, off_t pg_start, int type) struct _parisc_agp_info *info = &parisc_agp_info; int i, io_pg_start, io_pg_count; - if (type != 0 || mem->type != 0) { + if (type != mem->type || + agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type)) { return -EINVAL; } diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 1b456fe..fc45567 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -272,9 +272,12 @@ static struct port *find_port_by_devt_in_portdev(struct ports_device *portdev, unsigned long flags; spin_lock_irqsave(&portdev->ports_lock, flags); - list_for_each_entry(port, &portdev->ports, list) - if (port->cdev->dev == dev) + list_for_each_entry(port, &portdev->ports, list) { + if (port->cdev->dev == dev) { + kref_get(&port->kref); goto out; + } + } port = NULL; out: spin_unlock_irqrestore(&portdev->ports_lock, flags); @@ -746,6 +749,10 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf, port = filp->private_data; + /* Port is hot-unplugged. */ + if (!port->guest_connected) + return -ENODEV; + if (!port_has_data(port)) { /* * If nothing's connected on the host just return 0 in @@ -762,7 +769,7 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf, if (ret < 0) return ret; } - /* Port got hot-unplugged. */ + /* Port got hot-unplugged while we were waiting above. */ if (!port->guest_connected) return -ENODEV; /* @@ -932,13 +939,25 @@ static ssize_t port_fops_splice_write(struct pipe_inode_info *pipe, if (is_rproc_serial(port->out_vq->vdev)) return -EINVAL; + /* + * pipe->nrbufs == 0 means there are no data to transfer, + * so this returns just 0 for no data. + */ + pipe_lock(pipe); + if (!pipe->nrbufs) { + ret = 0; + goto error_out; + } + ret = wait_port_writable(port, filp->f_flags & O_NONBLOCK); if (ret < 0) - return ret; + goto error_out; buf = alloc_buf(port->out_vq, 0, pipe->nrbufs); - if (!buf) - return -ENOMEM; + if (!buf) { + ret = -ENOMEM; + goto error_out; + } sgl.n = 0; sgl.len = 0; @@ -946,12 +965,17 @@ static ssize_t port_fops_splice_write(struct pipe_inode_info *pipe, sgl.sg = buf->sg; sg_init_table(sgl.sg, sgl.size); ret = __splice_from_pipe(pipe, &sd, pipe_to_sg); + pipe_unlock(pipe); if (likely(ret > 0)) ret = __send_to_port(port, buf->sg, sgl.n, sgl.len, buf, true); if (unlikely(ret <= 0)) free_buf(buf, true); return ret; + +error_out: + pipe_unlock(pipe); + return ret; } static unsigned int port_fops_poll(struct file *filp, poll_table *wait) @@ -1019,14 +1043,14 @@ static int port_fops_open(struct inode *inode, struct file *filp) struct port *port; int ret; + /* We get the port with a kref here */ port = find_port_by_devt(cdev->dev); + if (!port) { + /* Port was unplugged before we could proceed */ + return -ENXIO; + } filp->private_data = port; - /* Prevent against a port getting hot-unplugged at the same time */ - spin_lock_irq(&port->portdev->ports_lock); - kref_get(&port->kref); - spin_unlock_irq(&port->portdev->ports_lock); - /* * Don't allow opening of console port devices -- that's done * via /dev/hvc @@ -1498,14 +1522,6 @@ static void remove_port(struct kref *kref) port = container_of(kref, struct port, kref); - sysfs_remove_group(&port->dev->kobj, &port_attribute_group); - device_destroy(pdrvdata.class, port->dev->devt); - cdev_del(port->cdev); - - kfree(port->name); - - debugfs_remove(port->debugfs_file); - kfree(port); } @@ -1539,12 +1555,14 @@ static void unplug_port(struct port *port) spin_unlock_irq(&port->portdev->ports_lock); if (port->guest_connected) { + /* Let the app know the port is going down. */ + send_sigio_to_port(port); + + /* Do this after sigio is actually sent */ port->guest_connected = false; port->host_connected = false; - wake_up_interruptible(&port->waitqueue); - /* Let the app know the port is going down. */ - send_sigio_to_port(port); + wake_up_interruptible(&port->waitqueue); } if (is_console_port(port)) { @@ -1563,6 +1581,14 @@ static void unplug_port(struct port *port) */ port->portdev = NULL; + sysfs_remove_group(&port->dev->kobj, &port_attribute_group); + device_destroy(pdrvdata.class, port->dev->devt); + cdev_del(port->cdev); + + kfree(port->name); + + debugfs_remove(port->debugfs_file); + /* * Locks around here are not necessary - a port can't be * opened after we removed the port struct from ports_list diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 1bdb882..4e57397 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -581,11 +581,15 @@ struct samsung_div_clock exynos4x12_div_clks[] __initdata = { DIV(none, "div_spi1_isp", "mout_spi1_isp", E4X12_DIV_ISP, 16, 4), DIV(none, "div_spi1_isp_pre", "div_spi1_isp", E4X12_DIV_ISP, 20, 8), DIV(none, "div_uart_isp", "mout_uart_isp", E4X12_DIV_ISP, 28, 4), - DIV(div_isp0, "div_isp0", "aclk200", E4X12_DIV_ISP0, 0, 3), - DIV(div_isp1, "div_isp1", "aclk200", E4X12_DIV_ISP0, 4, 3), + DIV_F(div_isp0, "div_isp0", "aclk200", E4X12_DIV_ISP0, 0, 3, + CLK_GET_RATE_NOCACHE, 0), + DIV_F(div_isp1, "div_isp1", "aclk200", E4X12_DIV_ISP0, 4, 3, + CLK_GET_RATE_NOCACHE, 0), DIV(none, "div_mpwm", "div_isp1", E4X12_DIV_ISP1, 0, 3), - DIV(div_mcuisp0, "div_mcuisp0", "aclk400_mcuisp", E4X12_DIV_ISP1, 4, 3), - DIV(div_mcuisp1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1, 8, 3), + DIV_F(div_mcuisp0, "div_mcuisp0", "aclk400_mcuisp", E4X12_DIV_ISP1, + 4, 3, CLK_GET_RATE_NOCACHE, 0), + DIV_F(div_mcuisp1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1, + 8, 3, CLK_GET_RATE_NOCACHE, 0), DIV(sclk_fimg2d, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4), }; @@ -863,57 +867,57 @@ struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = { GATE_DA(i2s0, "samsung-i2s.0", "i2s0", "aclk100", E4X12_GATE_IP_MAUDIO, 3, 0, 0, "iis"), GATE(fimc_isp, "isp", "aclk200", E4X12_GATE_ISP0, 0, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(fimc_drc, "drc", "aclk200", E4X12_GATE_ISP0, 1, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(fimc_fd, "fd", "aclk200", E4X12_GATE_ISP0, 2, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(fimc_lite0, "lite0", "aclk200", E4X12_GATE_ISP0, 3, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(fimc_lite1, "lite1", "aclk200", E4X12_GATE_ISP0, 4, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(mcuisp, "mcuisp", "aclk200", E4X12_GATE_ISP0, 5, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(gicisp, "gicisp", "aclk200", E4X12_GATE_ISP0, 7, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(smmu_isp, "smmu_isp", "aclk200", E4X12_GATE_ISP0, 8, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(smmu_drc, "smmu_drc", "aclk200", E4X12_GATE_ISP0, 9, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(smmu_fd, "smmu_fd", "aclk200", E4X12_GATE_ISP0, 10, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(smmu_lite0, "smmu_lite0", "aclk200", E4X12_GATE_ISP0, 11, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(smmu_lite1, "smmu_lite1", "aclk200", E4X12_GATE_ISP0, 12, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(ppmuispmx, "ppmuispmx", "aclk200", E4X12_GATE_ISP0, 20, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(ppmuispx, "ppmuispx", "aclk200", E4X12_GATE_ISP0, 21, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(mcuctl_isp, "mcuctl_isp", "aclk200", E4X12_GATE_ISP0, 23, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(mpwm_isp, "mpwm_isp", "aclk200", E4X12_GATE_ISP0, 24, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(i2c0_isp, "i2c0_isp", "aclk200", E4X12_GATE_ISP0, 25, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(i2c1_isp, "i2c1_isp", "aclk200", E4X12_GATE_ISP0, 26, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(mtcadc_isp, "mtcadc_isp", "aclk200", E4X12_GATE_ISP0, 27, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(pwm_isp, "pwm_isp", "aclk200", E4X12_GATE_ISP0, 28, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(wdt_isp, "wdt_isp", "aclk200", E4X12_GATE_ISP0, 30, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(uart_isp, "uart_isp", "aclk200", E4X12_GATE_ISP0, 31, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(asyncaxim, "asyncaxim", "aclk200", E4X12_GATE_ISP1, 0, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(smmu_ispcx, "smmu_ispcx", "aclk200", E4X12_GATE_ISP1, 4, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(spi0_isp, "spi0_isp", "aclk200", E4X12_GATE_ISP1, 12, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(spi1_isp, "spi1_isp", "aclk200", E4X12_GATE_ISP1, 13, - CLK_IGNORE_UNUSED, 0), + CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(g2d, "g2d", "aclk200", GATE_IP_DMC, 23, 0, 0), }; diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c index 5c205b6..089d3e3 100644 --- a/drivers/clk/zynq/clkc.c +++ b/drivers/clk/zynq/clkc.c @@ -71,6 +71,7 @@ static DEFINE_SPINLOCK(armpll_lock); static DEFINE_SPINLOCK(ddrpll_lock); static DEFINE_SPINLOCK(iopll_lock); static DEFINE_SPINLOCK(armclk_lock); +static DEFINE_SPINLOCK(swdtclk_lock); static DEFINE_SPINLOCK(ddrclk_lock); static DEFINE_SPINLOCK(dciclk_lock); static DEFINE_SPINLOCK(gem0clk_lock); @@ -293,7 +294,7 @@ static void __init zynq_clk_setup(struct device_node *np) } clks[swdt] = clk_register_mux(NULL, clk_output_name[swdt], swdt_ext_clk_mux_parents, 2, CLK_SET_RATE_PARENT, - SLCR_SWDT_CLK_SEL, 0, 1, 0, &gem0clk_lock); + SLCR_SWDT_CLK_SEL, 0, 1, 0, &swdtclk_lock); /* DDR clocks */ clk = clk_register_divider(NULL, "ddr2x_div", "ddrpll", 0, @@ -364,8 +365,9 @@ static void __init zynq_clk_setup(struct device_node *np) CLK_SET_RATE_PARENT, SLCR_GEM0_CLK_CTRL, 20, 6, CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, &gem0clk_lock); - clk = clk_register_mux(NULL, "gem0_emio_mux", gem0_mux_parents, 2, 0, - SLCR_GEM0_CLK_CTRL, 6, 1, 0, &gem0clk_lock); + clk = clk_register_mux(NULL, "gem0_emio_mux", gem0_mux_parents, 2, + CLK_SET_RATE_PARENT, SLCR_GEM0_CLK_CTRL, 6, 1, 0, + &gem0clk_lock); clks[gem0] = clk_register_gate(NULL, clk_output_name[gem0], "gem0_emio_mux", CLK_SET_RATE_PARENT, SLCR_GEM0_CLK_CTRL, 0, 0, &gem0clk_lock); @@ -386,8 +388,9 @@ static void __init zynq_clk_setup(struct device_node *np) CLK_SET_RATE_PARENT, SLCR_GEM1_CLK_CTRL, 20, 6, CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, &gem1clk_lock); - clk = clk_register_mux(NULL, "gem1_emio_mux", gem1_mux_parents, 2, 0, - SLCR_GEM1_CLK_CTRL, 6, 1, 0, &gem1clk_lock); + clk = clk_register_mux(NULL, "gem1_emio_mux", gem1_mux_parents, 2, + CLK_SET_RATE_PARENT, SLCR_GEM1_CLK_CTRL, 6, 1, 0, + &gem1clk_lock); clks[gem1] = clk_register_gate(NULL, clk_output_name[gem1], "gem1_emio_mux", CLK_SET_RATE_PARENT, SLCR_GEM1_CLK_CTRL, 0, 0, &gem1clk_lock); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index a4ad733..f0a5e2b 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1177,14 +1177,11 @@ static int __cpufreq_remove_dev(struct device *dev, __func__, cpu_dev->id, cpu); } - if ((cpus == 1) && (cpufreq_driver->target)) - __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); - - pr_debug("%s: removing link, cpu: %d\n", __func__, cpu); - cpufreq_cpu_put(data); - /* If cpu is last user of policy, free policy */ if (cpus == 1) { + if (cpufreq_driver->target) + __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); + lock_policy_rwsem_read(cpu); kobj = &data->kobj; cmp = &data->kobj_unregister; @@ -1205,9 +1202,13 @@ static int __cpufreq_remove_dev(struct device *dev, free_cpumask_var(data->related_cpus); free_cpumask_var(data->cpus); kfree(data); - } else if (cpufreq_driver->target) { - __cpufreq_governor(data, CPUFREQ_GOV_START); - __cpufreq_governor(data, CPUFREQ_GOV_LIMITS); + } else { + pr_debug("%s: removing link, cpu: %d\n", __func__, cpu); + cpufreq_cpu_put(data); + if (cpufreq_driver->target) { + __cpufreq_governor(data, CPUFREQ_GOV_START); + __cpufreq_governor(data, CPUFREQ_GOV_LIMITS); + } } per_cpu(cpufreq_policy_cpu, cpu) = -1; diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index 0ceb2ef..f97cb3d 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -221,8 +221,8 @@ static ssize_t store_down_threshold(struct dbs_data *dbs_data, const char *buf, return count; } -static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, - size_t count) +static ssize_t store_ignore_nice_load(struct dbs_data *dbs_data, + const char *buf, size_t count) { struct cs_dbs_tuners *cs_tuners = dbs_data->tuners; unsigned int input, j; @@ -235,10 +235,10 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, if (input > 1) input = 1; - if (input == cs_tuners->ignore_nice) /* nothing to do */ + if (input == cs_tuners->ignore_nice_load) /* nothing to do */ return count; - cs_tuners->ignore_nice = input; + cs_tuners->ignore_nice_load = input; /* we need to re-evaluate prev_cpu_idle */ for_each_online_cpu(j) { @@ -246,7 +246,7 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, dbs_info = &per_cpu(cs_cpu_dbs_info, j); dbs_info->cdbs.prev_cpu_idle = get_cpu_idle_time(j, &dbs_info->cdbs.prev_cpu_wall, 0); - if (cs_tuners->ignore_nice) + if (cs_tuners->ignore_nice_load) dbs_info->cdbs.prev_cpu_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; } @@ -279,7 +279,7 @@ show_store_one(cs, sampling_rate); show_store_one(cs, sampling_down_factor); show_store_one(cs, up_threshold); show_store_one(cs, down_threshold); -show_store_one(cs, ignore_nice); +show_store_one(cs, ignore_nice_load); show_store_one(cs, freq_step); declare_show_sampling_rate_min(cs); @@ -287,7 +287,7 @@ gov_sys_pol_attr_rw(sampling_rate); gov_sys_pol_attr_rw(sampling_down_factor); gov_sys_pol_attr_rw(up_threshold); gov_sys_pol_attr_rw(down_threshold); -gov_sys_pol_attr_rw(ignore_nice); +gov_sys_pol_attr_rw(ignore_nice_load); gov_sys_pol_attr_rw(freq_step); gov_sys_pol_attr_ro(sampling_rate_min); @@ -297,7 +297,7 @@ static struct attribute *dbs_attributes_gov_sys[] = { &sampling_down_factor_gov_sys.attr, &up_threshold_gov_sys.attr, &down_threshold_gov_sys.attr, - &ignore_nice_gov_sys.attr, + &ignore_nice_load_gov_sys.attr, &freq_step_gov_sys.attr, NULL }; @@ -313,7 +313,7 @@ static struct attribute *dbs_attributes_gov_pol[] = { &sampling_down_factor_gov_pol.attr, &up_threshold_gov_pol.attr, &down_threshold_gov_pol.attr, - &ignore_nice_gov_pol.attr, + &ignore_nice_load_gov_pol.attr, &freq_step_gov_pol.attr, NULL }; @@ -338,7 +338,7 @@ static int cs_init(struct dbs_data *dbs_data) tuners->up_threshold = DEF_FREQUENCY_UP_THRESHOLD; tuners->down_threshold = DEF_FREQUENCY_DOWN_THRESHOLD; tuners->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR; - tuners->ignore_nice = 0; + tuners->ignore_nice_load = 0; tuners->freq_step = DEF_FREQUENCY_STEP; dbs_data->tuners = tuners; diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 7b839a8..e59afaa 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -47,9 +47,9 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu) unsigned int j; if (dbs_data->cdata->governor == GOV_ONDEMAND) - ignore_nice = od_tuners->ignore_nice; + ignore_nice = od_tuners->ignore_nice_load; else - ignore_nice = cs_tuners->ignore_nice; + ignore_nice = cs_tuners->ignore_nice_load; policy = cdbs->cur_policy; @@ -298,12 +298,12 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, cs_tuners = dbs_data->tuners; cs_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu); sampling_rate = cs_tuners->sampling_rate; - ignore_nice = cs_tuners->ignore_nice; + ignore_nice = cs_tuners->ignore_nice_load; } else { od_tuners = dbs_data->tuners; od_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu); sampling_rate = od_tuners->sampling_rate; - ignore_nice = od_tuners->ignore_nice; + ignore_nice = od_tuners->ignore_nice_load; od_ops = dbs_data->cdata->gov_ops; io_busy = od_tuners->io_is_busy; } diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h index 6663ec3..d5f12b4 100644 --- a/drivers/cpufreq/cpufreq_governor.h +++ b/drivers/cpufreq/cpufreq_governor.h @@ -165,7 +165,7 @@ struct cs_cpu_dbs_info_s { /* Per policy Governers sysfs tunables */ struct od_dbs_tuners { - unsigned int ignore_nice; + unsigned int ignore_nice_load; unsigned int sampling_rate; unsigned int sampling_down_factor; unsigned int up_threshold; @@ -175,7 +175,7 @@ struct od_dbs_tuners { }; struct cs_dbs_tuners { - unsigned int ignore_nice; + unsigned int ignore_nice_load; unsigned int sampling_rate; unsigned int sampling_down_factor; unsigned int up_threshold; diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 93eb5cb..c087347 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -403,8 +403,8 @@ static ssize_t store_sampling_down_factor(struct dbs_data *dbs_data, return count; } -static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, - size_t count) +static ssize_t store_ignore_nice_load(struct dbs_data *dbs_data, + const char *buf, size_t count) { struct od_dbs_tuners *od_tuners = dbs_data->tuners; unsigned int input; @@ -419,10 +419,10 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, if (input > 1) input = 1; - if (input == od_tuners->ignore_nice) { /* nothing to do */ + if (input == od_tuners->ignore_nice_load) { /* nothing to do */ return count; } - od_tuners->ignore_nice = input; + od_tuners->ignore_nice_load = input; /* we need to re-evaluate prev_cpu_idle */ for_each_online_cpu(j) { @@ -430,7 +430,7 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, dbs_info = &per_cpu(od_cpu_dbs_info, j); dbs_info->cdbs.prev_cpu_idle = get_cpu_idle_time(j, &dbs_info->cdbs.prev_cpu_wall, od_tuners->io_is_busy); - if (od_tuners->ignore_nice) + if (od_tuners->ignore_nice_load) dbs_info->cdbs.prev_cpu_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; @@ -461,7 +461,7 @@ show_store_one(od, sampling_rate); show_store_one(od, io_is_busy); show_store_one(od, up_threshold); show_store_one(od, sampling_down_factor); -show_store_one(od, ignore_nice); +show_store_one(od, ignore_nice_load); show_store_one(od, powersave_bias); declare_show_sampling_rate_min(od); @@ -469,7 +469,7 @@ gov_sys_pol_attr_rw(sampling_rate); gov_sys_pol_attr_rw(io_is_busy); gov_sys_pol_attr_rw(up_threshold); gov_sys_pol_attr_rw(sampling_down_factor); -gov_sys_pol_attr_rw(ignore_nice); +gov_sys_pol_attr_rw(ignore_nice_load); gov_sys_pol_attr_rw(powersave_bias); gov_sys_pol_attr_ro(sampling_rate_min); @@ -478,7 +478,7 @@ static struct attribute *dbs_attributes_gov_sys[] = { &sampling_rate_gov_sys.attr, &up_threshold_gov_sys.attr, &sampling_down_factor_gov_sys.attr, - &ignore_nice_gov_sys.attr, + &ignore_nice_load_gov_sys.attr, &powersave_bias_gov_sys.attr, &io_is_busy_gov_sys.attr, NULL @@ -494,7 +494,7 @@ static struct attribute *dbs_attributes_gov_pol[] = { &sampling_rate_gov_pol.attr, &up_threshold_gov_pol.attr, &sampling_down_factor_gov_pol.attr, - &ignore_nice_gov_pol.attr, + &ignore_nice_load_gov_pol.attr, &powersave_bias_gov_pol.attr, &io_is_busy_gov_pol.attr, NULL @@ -544,7 +544,7 @@ static int od_init(struct dbs_data *dbs_data) } tuners->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR; - tuners->ignore_nice = 0; + tuners->ignore_nice_load = 0; tuners->powersave_bias = default_powersave_bias; tuners->io_is_busy = should_io_be_busy(); diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c index bb838b9..9536852c 100644 --- a/drivers/cpufreq/loongson2_cpufreq.c +++ b/drivers/cpufreq/loongson2_cpufreq.c @@ -118,11 +118,6 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy) clk_put(cpuclk); return -EINVAL; } - ret = clk_set_rate(cpuclk, rate); - if (ret) { - clk_put(cpuclk); - return ret; - } /* clock table init */ for (i = 2; @@ -130,6 +125,12 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy) i++) loongson2_clockmod_table[i].frequency = (rate * i) / 8; + ret = clk_set_rate(cpuclk, rate); + if (ret) { + clk_put(cpuclk); + return ret; + } + policy->cur = loongson2_cpufreq_get(policy->cpu); cpufreq_frequency_table_get_attr(&loongson2_clockmod_table[0], diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index fe343a0..bc580b6 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -28,13 +28,6 @@ #define MAX_INTERESTING 50000 #define STDDEV_THRESH 400 -/* 60 * 60 > STDDEV_THRESH * INTERVALS = 400 * 8 */ -#define MAX_DEVIATION 60 - -static DEFINE_PER_CPU(struct hrtimer, menu_hrtimer); -static DEFINE_PER_CPU(int, hrtimer_status); -/* menu hrtimer mode */ -enum {MENU_HRTIMER_STOP, MENU_HRTIMER_REPEAT, MENU_HRTIMER_GENERAL}; /* * Concepts and ideas behind the menu governor @@ -116,13 +109,6 @@ enum {MENU_HRTIMER_STOP, MENU_HRTIMER_REPEAT, MENU_HRTIMER_GENERAL}; * */ -/* - * The C-state residency is so long that is is worthwhile to exit - * from the shallow C-state and re-enter into a deeper C-state. - */ -static unsigned int perfect_cstate_ms __read_mostly = 30; -module_param(perfect_cstate_ms, uint, 0000); - struct menu_device { int last_state_idx; int needs_update; @@ -205,52 +191,17 @@ static u64 div_round64(u64 dividend, u32 divisor) return div_u64(dividend + (divisor / 2), divisor); } -/* Cancel the hrtimer if it is not triggered yet */ -void menu_hrtimer_cancel(void) -{ - int cpu = smp_processor_id(); - struct hrtimer *hrtmr = &per_cpu(menu_hrtimer, cpu); - - /* The timer is still not time out*/ - if (per_cpu(hrtimer_status, cpu)) { - hrtimer_cancel(hrtmr); - per_cpu(hrtimer_status, cpu) = MENU_HRTIMER_STOP; - } -} -EXPORT_SYMBOL_GPL(menu_hrtimer_cancel); - -/* Call back for hrtimer is triggered */ -static enum hrtimer_restart menu_hrtimer_notify(struct hrtimer *hrtimer) -{ - int cpu = smp_processor_id(); - struct menu_device *data = &per_cpu(menu_devices, cpu); - - /* In general case, the expected residency is much larger than - * deepest C-state target residency, but prediction logic still - * predicts a small predicted residency, so the prediction - * history is totally broken if the timer is triggered. - * So reset the correction factor. - */ - if (per_cpu(hrtimer_status, cpu) == MENU_HRTIMER_GENERAL) - data->correction_factor[data->bucket] = RESOLUTION * DECAY; - - per_cpu(hrtimer_status, cpu) = MENU_HRTIMER_STOP; - - return HRTIMER_NORESTART; -} - /* * Try detecting repeating patterns by keeping track of the last 8 * intervals, and checking if the standard deviation of that set * of points is below a threshold. If it is... then use the * average of these 8 points as the estimated value. */ -static u32 get_typical_interval(struct menu_device *data) +static void get_typical_interval(struct menu_device *data) { int i = 0, divisor = 0; uint64_t max = 0, avg = 0, stddev = 0; int64_t thresh = LLONG_MAX; /* Discard outliers above this value. */ - unsigned int ret = 0; again: @@ -291,16 +242,13 @@ again: if (((avg > stddev * 6) && (divisor * 4 >= INTERVALS * 3)) || stddev <= 20) { data->predicted_us = avg; - ret = 1; - return ret; + return; } else if ((divisor * 4) > INTERVALS * 3) { /* Exclude the max interval */ thresh = max - 1; goto again; } - - return ret; } /** @@ -315,9 +263,6 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) int i; int multiplier; struct timespec t; - int repeat = 0, low_predicted = 0; - int cpu = smp_processor_id(); - struct hrtimer *hrtmr = &per_cpu(menu_hrtimer, cpu); if (data->needs_update) { menu_update(drv, dev); @@ -352,7 +297,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) data->predicted_us = div_round64(data->expected_us * data->correction_factor[data->bucket], RESOLUTION * DECAY); - repeat = get_typical_interval(data); + get_typical_interval(data); /* * We want to default to C1 (hlt), not to busy polling @@ -373,10 +318,8 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) if (s->disabled || su->disable) continue; - if (s->target_residency > data->predicted_us) { - low_predicted = 1; + if (s->target_residency > data->predicted_us) continue; - } if (s->exit_latency > latency_req) continue; if (s->exit_latency * multiplier > data->predicted_us) @@ -386,44 +329,6 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) data->exit_us = s->exit_latency; } - /* not deepest C-state chosen for low predicted residency */ - if (low_predicted) { - unsigned int timer_us = 0; - unsigned int perfect_us = 0; - - /* - * Set a timer to detect whether this sleep is much - * longer than repeat mode predicted. If the timer - * triggers, the code will evaluate whether to put - * the CPU into a deeper C-state. - * The timer is cancelled on CPU wakeup. - */ - timer_us = 2 * (data->predicted_us + MAX_DEVIATION); - - perfect_us = perfect_cstate_ms * 1000; - - if (repeat && (4 * timer_us < data->expected_us)) { - RCU_NONIDLE(hrtimer_start(hrtmr, - ns_to_ktime(1000 * timer_us), - HRTIMER_MODE_REL_PINNED)); - /* In repeat case, menu hrtimer is started */ - per_cpu(hrtimer_status, cpu) = MENU_HRTIMER_REPEAT; - } else if (perfect_us < data->expected_us) { - /* - * The next timer is long. This could be because - * we did not make a useful prediction. - * In that case, it makes sense to re-enter - * into a deeper C-state after some time. - */ - RCU_NONIDLE(hrtimer_start(hrtmr, - ns_to_ktime(1000 * timer_us), - HRTIMER_MODE_REL_PINNED)); - /* In general case, menu hrtimer is started */ - per_cpu(hrtimer_status, cpu) = MENU_HRTIMER_GENERAL; - } - - } - return data->last_state_idx; } @@ -514,9 +419,6 @@ static int menu_enable_device(struct cpuidle_driver *drv, struct cpuidle_device *dev) { struct menu_device *data = &per_cpu(menu_devices, dev->cpu); - struct hrtimer *t = &per_cpu(menu_hrtimer, dev->cpu); - hrtimer_init(t, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - t->function = menu_hrtimer_notify; memset(data, 0, sizeof(struct menu_device)); diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c index ce3dc3e..0bbdea50 100644 --- a/drivers/dma/pch_dma.c +++ b/drivers/dma/pch_dma.c @@ -867,6 +867,7 @@ static int pch_dma_probe(struct pci_dev *pdev, if (!(pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) { dev_err(&pdev->dev, "Cannot find proper base address\n"); + err = -ENODEV; goto err_disable_pdev; } diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 593827b..fa645d8 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2505,6 +2505,10 @@ static dma_cookie_t pl330_tx_submit(struct dma_async_tx_descriptor *tx) /* Assign cookies to all nodes */ while (!list_empty(&last->node)) { desc = list_entry(last->node.next, struct dma_pl330_desc, node); + if (pch->cyclic) { + desc->txd.callback = last->txd.callback; + desc->txd.callback_param = last->txd.callback_param; + } dma_cookie_assign(&desc->txd); @@ -2688,45 +2692,82 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( size_t period_len, enum dma_transfer_direction direction, unsigned long flags, void *context) { - struct dma_pl330_desc *desc; + struct dma_pl330_desc *desc = NULL, *first = NULL; struct dma_pl330_chan *pch = to_pchan(chan); + struct dma_pl330_dmac *pdmac = pch->dmac; + unsigned int i; dma_addr_t dst; dma_addr_t src; - desc = pl330_get_desc(pch); - if (!desc) { - dev_err(pch->dmac->pif.dev, "%s:%d Unable to fetch desc\n", - __func__, __LINE__); + if (len % period_len != 0) return NULL; - } - switch (direction) { - case DMA_MEM_TO_DEV: - desc->rqcfg.src_inc = 1; - desc->rqcfg.dst_inc = 0; - desc->req.rqtype = MEMTODEV; - src = dma_addr; - dst = pch->fifo_addr; - break; - case DMA_DEV_TO_MEM: - desc->rqcfg.src_inc = 0; - desc->rqcfg.dst_inc = 1; - desc->req.rqtype = DEVTOMEM; - src = pch->fifo_addr; - dst = dma_addr; - break; - default: + if (!is_slave_direction(direction)) { dev_err(pch->dmac->pif.dev, "%s:%d Invalid dma direction\n", __func__, __LINE__); return NULL; } - desc->rqcfg.brst_size = pch->burst_sz; - desc->rqcfg.brst_len = 1; + for (i = 0; i < len / period_len; i++) { + desc = pl330_get_desc(pch); + if (!desc) { + dev_err(pch->dmac->pif.dev, "%s:%d Unable to fetch desc\n", + __func__, __LINE__); - pch->cyclic = true; + if (!first) + return NULL; + + spin_lock_irqsave(&pdmac->pool_lock, flags); + + while (!list_empty(&first->node)) { + desc = list_entry(first->node.next, + struct dma_pl330_desc, node); + list_move_tail(&desc->node, &pdmac->desc_pool); + } + + list_move_tail(&first->node, &pdmac->desc_pool); - fill_px(&desc->px, dst, src, period_len); + spin_unlock_irqrestore(&pdmac->pool_lock, flags); + + return NULL; + } + + switch (direction) { + case DMA_MEM_TO_DEV: + desc->rqcfg.src_inc = 1; + desc->rqcfg.dst_inc = 0; + desc->req.rqtype = MEMTODEV; + src = dma_addr; + dst = pch->fifo_addr; + break; + case DMA_DEV_TO_MEM: + desc->rqcfg.src_inc = 0; + desc->rqcfg.dst_inc = 1; + desc->req.rqtype = DEVTOMEM; + src = pch->fifo_addr; + dst = dma_addr; + break; + default: + break; + } + + desc->rqcfg.brst_size = pch->burst_sz; + desc->rqcfg.brst_len = 1; + fill_px(&desc->px, dst, src, period_len); + + if (!first) + first = desc; + else + list_add_tail(&desc->node, &first->node); + + dma_addr += period_len; + } + + if (!desc) + return NULL; + + pch->cyclic = true; + desc->txd.flags = flags; return &desc->txd; } diff --git a/drivers/dma/sh/shdma.c b/drivers/dma/sh/shdma.c index b67f45f..5039fbc 100644 --- a/drivers/dma/sh/shdma.c +++ b/drivers/dma/sh/shdma.c @@ -400,8 +400,8 @@ static size_t sh_dmae_get_partial(struct shdma_chan *schan, shdma_chan); struct sh_dmae_desc *sh_desc = container_of(sdesc, struct sh_dmae_desc, shdma_desc); - return (sh_desc->hw.tcr - sh_dmae_readl(sh_chan, TCR)) << - sh_chan->xmit_shift; + return sh_desc->hw.tcr - + (sh_dmae_readl(sh_chan, TCR) << sh_chan->xmit_shift); } /* Called from error IRQ or NMI */ diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index 7ef316f..ac1b43a 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -54,6 +54,7 @@ #define FW_CDEV_KERNEL_VERSION 5 #define FW_CDEV_VERSION_EVENT_REQUEST2 4 #define FW_CDEV_VERSION_ALLOCATE_REGION_END 4 +#define FW_CDEV_VERSION_AUTO_FLUSH_ISO_OVERFLOW 5 struct client { u32 version; @@ -1005,6 +1006,8 @@ static int ioctl_create_iso_context(struct client *client, union ioctl_arg *arg) a->channel, a->speed, a->header_size, cb, client); if (IS_ERR(context)) return PTR_ERR(context); + if (client->version < FW_CDEV_VERSION_AUTO_FLUSH_ISO_OVERFLOW) + context->drop_overflow_headers = true; /* We only support one context at this time. */ spin_lock_irq(&client->lock); diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 9e1db64..afb701e 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -2749,8 +2749,11 @@ static void copy_iso_headers(struct iso_context *ctx, const u32 *dma_hdr) { u32 *ctx_hdr; - if (ctx->header_length + ctx->base.header_size > PAGE_SIZE) + if (ctx->header_length + ctx->base.header_size > PAGE_SIZE) { + if (ctx->base.drop_overflow_headers) + return; flush_iso_completions(ctx); + } ctx_hdr = ctx->header + ctx->header_length; ctx->last_timestamp = (u16)le32_to_cpu((__force __le32)dma_hdr[0]); @@ -2910,8 +2913,11 @@ static int handle_it_packet(struct context *context, sync_it_packet_for_cpu(context, d); - if (ctx->header_length + 4 > PAGE_SIZE) + if (ctx->header_length + 4 > PAGE_SIZE) { + if (ctx->base.drop_overflow_headers) + return 1; flush_iso_completions(ctx); + } ctx_hdr = ctx->header + ctx->header_length; ctx->last_timestamp = le16_to_cpu(last->res_count); diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index eb760a2..232fa8f 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -419,6 +419,13 @@ static void __init dmi_format_ids(char *buf, size_t len) dmi_get_system_info(DMI_BIOS_DATE)); } +/* + * Check for DMI/SMBIOS headers in the system firmware image. Any + * SMBIOS header must start 16 bytes before the DMI header, so take a + * 32 byte buffer and check for DMI at offset 16 and SMBIOS at offset + * 0. If the DMI header is present, set dmi_ver accordingly (SMBIOS + * takes precedence) and return 0. Otherwise return 1. + */ static int __init dmi_present(const u8 *buf) { int smbios_ver; @@ -506,6 +513,13 @@ void __init dmi_scan_machine(void) if (p == NULL) goto error; + /* + * Iterate over all possible DMI header addresses q. + * Maintain the 32 bytes around q in buf. On the + * first iteration, substitute zero for the + * out-of-range bytes so there is no chance of falsely + * detecting an SMBIOS header. + */ memset(buf, 0, 16); for (q = p; q < p + 0x10000; q += 16) { memcpy_fromio(buf + 16, q, 16); diff --git a/drivers/gpio/gpio-msm-v1.c b/drivers/gpio/gpio-msm-v1.c index e3ceaac..73b7396 100644 --- a/drivers/gpio/gpio-msm-v1.c +++ b/drivers/gpio/gpio-msm-v1.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/device.h> #include <linux/platform_device.h> +#include <linux/err.h> #include <mach/msm_gpiomux.h> diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index c57244e..dfeb3a3 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -1037,18 +1037,6 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start, IRQ_NOREQUEST | IRQ_NOPROBE, 0); } -#if defined(CONFIG_OF_GPIO) -static inline bool omap_gpio_chip_boot_dt(struct gpio_chip *chip) -{ - return chip->of_node != NULL; -} -#else -static inline bool omap_gpio_chip_boot_dt(struct gpio_chip *chip) -{ - return false; -} -#endif - static void omap_gpio_chip_init(struct gpio_bank *bank) { int j; @@ -1080,68 +1068,24 @@ static void omap_gpio_chip_init(struct gpio_bank *bank) gpiochip_add(&bank->chip); - /* - * REVISIT these explicit calls to irq_create_mapping() - * to do the GPIO to IRQ domain mapping for each GPIO in - * the bank can be removed once all OMAP platforms have - * been migrated to Device Tree boot only. - * Since in DT boot irq_create_mapping() is called from - * irq_create_of_mapping() only for the GPIO lines that - * are used as interrupts. - */ - if (!omap_gpio_chip_boot_dt(&bank->chip)) - for (j = 0; j < bank->width; j++) - irq_create_mapping(bank->domain, j); + for (j = 0; j < bank->width; j++) { + int irq = irq_create_mapping(bank->domain, j); + irq_set_lockdep_class(irq, &gpio_lock_class); + irq_set_chip_data(irq, bank); + if (bank->is_mpuio) { + omap_mpuio_alloc_gc(bank, irq, bank->width); + } else { + irq_set_chip_and_handler(irq, &gpio_irq_chip, + handle_simple_irq); + set_irq_flags(irq, IRQF_VALID); + } + } irq_set_chained_handler(bank->irq, gpio_irq_handler); irq_set_handler_data(bank->irq, bank); } static const struct of_device_id omap_gpio_match[]; -static int omap_gpio_irq_map(struct irq_domain *d, unsigned int virq, - irq_hw_number_t hwirq) -{ - struct gpio_bank *bank = d->host_data; - int gpio; - int ret; - - if (!bank) - return -EINVAL; - - irq_set_lockdep_class(virq, &gpio_lock_class); - irq_set_chip_data(virq, bank); - if (bank->is_mpuio) { - omap_mpuio_alloc_gc(bank, virq, bank->width); - } else { - irq_set_chip_and_handler(virq, &gpio_irq_chip, - handle_simple_irq); - set_irq_flags(virq, IRQF_VALID); - } - - /* - * REVISIT most GPIO IRQ chip drivers need to call - * gpio_request() before a GPIO line can be used as an - * IRQ. Ideally this should be handled by the IRQ core - * but until then this has to be done on a per driver - * basis. Remove this once this is managed by the core. - */ - if (omap_gpio_chip_boot_dt(&bank->chip)) { - gpio = irq_to_gpio(bank, hwirq); - ret = gpio_request_one(gpio, GPIOF_IN, NULL); - if (ret) { - dev_err(bank->dev, "Could not request GPIO%d\n", gpio); - return ret; - } - } - - return 0; -} - -static struct irq_domain_ops omap_gpio_irq_ops = { - .xlate = irq_domain_xlate_onetwocell, - .map = omap_gpio_irq_map, -}; - static int omap_gpio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -1207,10 +1151,10 @@ static int omap_gpio_probe(struct platform_device *pdev) } bank->domain = irq_domain_add_legacy(node, bank->width, irq_base, - 0, &omap_gpio_irq_ops, bank); + 0, &irq_domain_simple_ops, NULL); #else bank->domain = irq_domain_add_linear(node, bank->width, - &omap_gpio_irq_ops, bank); + &irq_domain_simple_ops, NULL); #endif if (!bank->domain) { dev_err(dev, "Couldn't register an IRQ domain\n"); diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c index 98d6708..6e8887fe 100644 --- a/drivers/gpu/drm/ast/ast_ttm.c +++ b/drivers/gpu/drm/ast/ast_ttm.c @@ -323,6 +323,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align, astbo->gem.driver_private = NULL; astbo->bo.bdev = &ast->ttm.bdev; + astbo->bo.bdev->dev_mapping = dev->dev_mapping; ast_ttm_placement(astbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); diff --git a/drivers/gpu/drm/cirrus/cirrus_ttm.c b/drivers/gpu/drm/cirrus/cirrus_ttm.c index 0047012..69fd8f1 100644 --- a/drivers/gpu/drm/cirrus/cirrus_ttm.c +++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c @@ -328,6 +328,7 @@ int cirrus_bo_create(struct drm_device *dev, int size, int align, cirrusbo->gem.driver_private = NULL; cirrusbo->bo.bdev = &cirrus->ttm.bdev; + cirrusbo->bo.bdev->dev_mapping = dev->dev_mapping; cirrus_ttm_placement(cirrusbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 8bcce78..f92da0a 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -708,7 +708,10 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc, /* Subtract time delta from raw timestamp to get final * vblank_time timestamp for end of vblank. */ - etime = ktime_sub_ns(etime, delta_ns); + if (delta_ns < 0) + etime = ktime_add_ns(etime, -delta_ns); + else + etime = ktime_sub_ns(etime, delta_ns); *vblank_time = ktime_to_timeval(etime); DRM_DEBUG("crtc %d : v %d p(%d,%d)@ %ld.%ld -> %ld.%ld [e %d us, %d rep]\n", diff --git a/drivers/gpu/drm/exynos/exynos_ddc.c b/drivers/gpu/drm/exynos/exynos_ddc.c index 95c75ed..30ef41b 100644 --- a/drivers/gpu/drm/exynos/exynos_ddc.c +++ b/drivers/gpu/drm/exynos/exynos_ddc.c @@ -15,7 +15,6 @@ #include <linux/kernel.h> #include <linux/i2c.h> -#include <linux/module.h> #include "exynos_drm_drv.h" diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 61b094f..6e047bd 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -12,7 +12,6 @@ * */ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <linux/mfd/syscon.h> #include <linux/regmap.h> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 3e106be..1c263da 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -14,7 +14,6 @@ #include <drm/drmP.h> #include <linux/kernel.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/of_device.h> @@ -130,7 +129,6 @@ static const struct of_device_id fimd_driver_dt_match[] = { .data = &exynos5_fimd_driver_data }, {}, }; -MODULE_DEVICE_TABLE(of, fimd_driver_dt_match); #endif static inline struct fimd_driver_data *drm_fimd_get_driver_data( @@ -1082,7 +1080,6 @@ static struct platform_device_id fimd_driver_ids[] = { }, {}, }; -MODULE_DEVICE_TABLE(platform, fimd_driver_ids); static const struct dev_pm_ops fimd_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(fimd_suspend, fimd_resume) diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 42a5a546..eddea49 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -8,7 +8,6 @@ */ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/interrupt.h> @@ -806,9 +805,20 @@ static void g2d_dma_start(struct g2d_data *g2d, struct g2d_cmdlist_node *node = list_first_entry(&runqueue_node->run_cmdlist, struct g2d_cmdlist_node, list); + int ret; + + ret = pm_runtime_get_sync(g2d->dev); + if (ret < 0) { + dev_warn(g2d->dev, "failed pm power on.\n"); + return; + } - pm_runtime_get_sync(g2d->dev); - clk_enable(g2d->gate_clk); + ret = clk_prepare_enable(g2d->gate_clk); + if (ret < 0) { + dev_warn(g2d->dev, "failed to enable clock.\n"); + pm_runtime_put_sync(g2d->dev); + return; + } writel_relaxed(node->dma_addr, g2d->regs + G2D_DMA_SFR_BASE_ADDR); writel_relaxed(G2D_DMA_START, g2d->regs + G2D_DMA_COMMAND); @@ -861,7 +871,7 @@ static void g2d_runqueue_worker(struct work_struct *work) runqueue_work); mutex_lock(&g2d->runqueue_mutex); - clk_disable(g2d->gate_clk); + clk_disable_unprepare(g2d->gate_clk); pm_runtime_put_sync(g2d->dev); complete(&g2d->runqueue_node->complete); @@ -1521,7 +1531,6 @@ static const struct of_device_id exynos_g2d_match[] = { { .compatible = "samsung,exynos5250-g2d" }, {}, }; -MODULE_DEVICE_TABLE(of, exynos_g2d_match); #endif struct platform_driver g2d_driver = { diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 472e3b2..90b8a1a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -12,7 +12,6 @@ * */ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/pm_runtime.h> diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c index aaa550d..8d3bc01 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c @@ -15,7 +15,6 @@ #include <linux/kernel.h> #include <linux/wait.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index b1ef8e7..d2b6ab4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -12,7 +12,6 @@ * */ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <linux/types.h> #include <linux/clk.h> @@ -342,10 +341,10 @@ int exynos_drm_ipp_get_property(struct drm_device *drm_dev, void *data, */ ippdrv = ipp_find_obj(&ctx->ipp_idr, &ctx->ipp_lock, prop_list->ipp_id); - if (!ippdrv) { + if (IS_ERR(ippdrv)) { DRM_ERROR("not found ipp%d driver.\n", prop_list->ipp_id); - return -EINVAL; + return PTR_ERR(ippdrv); } prop_list = ippdrv->prop_list; @@ -970,9 +969,9 @@ int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev, void *data, /* find command node */ c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, qbuf->prop_id); - if (!c_node) { + if (IS_ERR(c_node)) { DRM_ERROR("failed to get command node.\n"); - return -EFAULT; + return PTR_ERR(c_node); } /* buffer control */ @@ -1106,9 +1105,9 @@ int exynos_drm_ipp_cmd_ctrl(struct drm_device *drm_dev, void *data, c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock, cmd_ctrl->prop_id); - if (!c_node) { + if (IS_ERR(c_node)) { DRM_ERROR("invalid command node list.\n"); - return -EINVAL; + return PTR_ERR(c_node); } if (!exynos_drm_ipp_check_valid(ippdrv->dev, cmd_ctrl->ctrl, diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index 427640a..49669aa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -10,7 +10,6 @@ */ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/err.h> #include <linux/interrupt.h> #include <linux/io.h> diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 41cc74d..c57c565 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -13,7 +13,6 @@ #include <drm/drmP.h> #include <linux/kernel.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <drm/exynos_drm.h> diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 62ef597..2f5c694 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -24,7 +24,6 @@ #include <linux/spinlock.h> #include <linux/wait.h> #include <linux/i2c.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/irq.h> diff --git a/drivers/gpu/drm/exynos/exynos_hdmiphy.c b/drivers/gpu/drm/exynos/exynos_hdmiphy.c index ef04255..6e320ae 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmiphy.c +++ b/drivers/gpu/drm/exynos/exynos_hdmiphy.c @@ -15,7 +15,6 @@ #include <linux/kernel.h> #include <linux/i2c.h> -#include <linux/module.h> #include "exynos_drm_drv.h" #include "exynos_hdmi.h" diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 42ffb71..c9a137c 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -23,7 +23,6 @@ #include <linux/spinlock.h> #include <linux/wait.h> #include <linux/i2c.h> -#include <linux/module.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/irq.h> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 66c6380..f466980 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1594,6 +1594,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) intel_detect_pch(dev); intel_irq_init(dev); + intel_pm_init(dev); intel_gt_sanitize(dev); intel_gt_init(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d2ee334..1929bff 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1582,6 +1582,7 @@ void i915_hangcheck_elapsed(unsigned long data); void i915_handle_error(struct drm_device *dev, bool wedged); extern void intel_irq_init(struct drm_device *dev); +extern void intel_pm_init(struct drm_device *dev); extern void intel_hpd_init(struct drm_device *dev); extern void intel_gt_init(struct drm_device *dev); extern void intel_gt_sanitize(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index f2326fc..6f51429 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1856,10 +1856,16 @@ #define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2) #define PORT_HOTPLUG_STAT (dev_priv->info->display_mmio_offset + 0x61114) -/* HDMI/DP bits are gen4+ */ -#define PORTB_HOTPLUG_LIVE_STATUS (1 << 29) +/* + * HDMI/DP bits are gen4+ + * + * WARNING: Bspec for hpd status bits on gen4 seems to be completely confused. + * Please check the detailed lore in the commit message for for experimental + * evidence. + */ +#define PORTD_HOTPLUG_LIVE_STATUS (1 << 29) #define PORTC_HOTPLUG_LIVE_STATUS (1 << 28) -#define PORTD_HOTPLUG_LIVE_STATUS (1 << 27) +#define PORTB_HOTPLUG_LIVE_STATUS (1 << 27) #define PORTD_HOTPLUG_INT_STATUS (3 << 21) #define PORTC_HOTPLUG_INT_STATUS (3 << 19) #define PORTB_HOTPLUG_INT_STATUS (3 << 17) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5fb3058..e38b457 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8269,9 +8269,11 @@ check_crtc_state(struct drm_device *dev) list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { + enum pipe pipe; if (encoder->base.crtc != &crtc->base) continue; - if (encoder->get_config) + if (encoder->get_config && + encoder->get_hw_state(encoder, &pipe)) encoder->get_config(encoder, &pipe_config); } diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 67e2c1f..5950888 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -497,8 +497,11 @@ void intel_panel_set_backlight(struct drm_device *dev, u32 level, u32 max) goto out; } - /* scale to hardware */ - level = level * freq / max; + /* scale to hardware, but be careful to not overflow */ + if (freq < max) + level = level * freq / max; + else + level = freq / max * level; dev_priv->backlight.level = level; if (dev_priv->backlight.device) @@ -515,6 +518,17 @@ void intel_panel_disable_backlight(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; unsigned long flags; + /* + * Do not disable backlight on the vgaswitcheroo path. When switching + * away from i915, the other client may depend on i915 to handle the + * backlight. This will leave the backlight on unnecessarily when + * another client is not activated. + */ + if (dev->switch_power_state == DRM_SWITCH_POWER_CHANGING) { + DRM_DEBUG_DRIVER("Skipping backlight disable on vga switch\n"); + return; + } + spin_lock_irqsave(&dev_priv->backlight.lock, flags); dev_priv->backlight.enabled = false; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 51a2a60..b0e4a0b 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5063,8 +5063,26 @@ static void __intel_set_power_well(struct drm_device *dev, bool enable) } } else { if (enable_requested) { + unsigned long irqflags; + enum pipe p; + I915_WRITE(HSW_PWR_WELL_DRIVER, 0); + POSTING_READ(HSW_PWR_WELL_DRIVER); DRM_DEBUG_KMS("Requesting to disable the power well\n"); + + /* + * After this, the registers on the pipes that are part + * of the power well will become zero, so we have to + * adjust our counters according to that. + * + * FIXME: Should we do this in general in + * drm_vblank_post_modeset? + */ + spin_lock_irqsave(&dev->vbl_lock, irqflags); + for_each_pipe(p) + if (p != PIPE_A) + dev->last_vblank[p] = 0; + spin_unlock_irqrestore(&dev->vbl_lock, irqflags); } } } @@ -5536,6 +5554,12 @@ void intel_gt_init(struct drm_device *dev) dev_priv->gt.force_wake_get = __gen6_gt_force_wake_get; dev_priv->gt.force_wake_put = __gen6_gt_force_wake_put; } +} + +void intel_pm_init(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work, intel_gen6_powersave_work); } diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 251784a..503a414 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -29,6 +29,7 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc) struct mga_crtc *mga_crtc = to_mga_crtc(crtc); struct drm_device *dev = crtc->dev; struct mga_device *mdev = dev->dev_private; + struct drm_framebuffer *fb = crtc->fb; int i; if (!crtc->enabled) @@ -36,6 +37,28 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc) WREG8(DAC_INDEX + MGA1064_INDEX, 0); + if (fb && fb->bits_per_pixel == 16) { + int inc = (fb->depth == 15) ? 8 : 4; + u8 r, b; + for (i = 0; i < MGAG200_LUT_SIZE; i += inc) { + if (fb->depth == 16) { + if (i > (MGAG200_LUT_SIZE >> 1)) { + r = b = 0; + } else { + r = mga_crtc->lut_r[i << 1]; + b = mga_crtc->lut_b[i << 1]; + } + } else { + r = mga_crtc->lut_r[i]; + b = mga_crtc->lut_b[i]; + } + /* VGA registers */ + WREG8(DAC_INDEX + MGA1064_COL_PAL, r); + WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_g[i]); + WREG8(DAC_INDEX + MGA1064_COL_PAL, b); + } + return; + } for (i = 0; i < MGAG200_LUT_SIZE; i++) { /* VGA registers */ WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_r[i]); @@ -877,7 +900,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, pitch = crtc->fb->pitches[0] / (crtc->fb->bits_per_pixel / 8); if (crtc->fb->bits_per_pixel == 24) - pitch = pitch >> (4 - bppshift); + pitch = (pitch * 3) >> (4 - bppshift); else pitch = pitch >> (4 - bppshift); @@ -1251,6 +1274,24 @@ static void mga_crtc_destroy(struct drm_crtc *crtc) kfree(mga_crtc); } +static void mga_crtc_disable(struct drm_crtc *crtc) +{ + int ret; + DRM_DEBUG_KMS("\n"); + mga_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc->fb) { + struct mga_framebuffer *mga_fb = to_mga_framebuffer(crtc->fb); + struct drm_gem_object *obj = mga_fb->obj; + struct mgag200_bo *bo = gem_to_mga_bo(obj); + ret = mgag200_bo_reserve(bo, false); + if (ret) + return; + mgag200_bo_push_sysram(bo); + mgag200_bo_unreserve(bo); + } + crtc->fb = NULL; +} + /* These provide the minimum set of functions required to handle a CRTC */ static const struct drm_crtc_funcs mga_crtc_funcs = { .cursor_set = mga_crtc_cursor_set, @@ -1261,6 +1302,7 @@ static const struct drm_crtc_funcs mga_crtc_funcs = { }; static const struct drm_crtc_helper_funcs mga_helper_funcs = { + .disable = mga_crtc_disable, .dpms = mga_crtc_dpms, .mode_fixup = mga_crtc_mode_fixup, .mode_set = mga_crtc_mode_set, @@ -1581,6 +1623,8 @@ static struct drm_connector *mga_vga_init(struct drm_device *dev) drm_connector_helper_add(connector, &mga_vga_connector_helper_funcs); + drm_sysfs_connector_add(connector); + mga_connector->i2c = mgag200_i2c_create(dev); if (!mga_connector->i2c) DRM_ERROR("failed to add ddc bus\n"); diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c index 3acb2b0..d70e4a9 100644 --- a/drivers/gpu/drm/mgag200/mgag200_ttm.c +++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c @@ -323,6 +323,7 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align, mgabo->gem.driver_private = NULL; mgabo->bo.bdev = &mdev->ttm.bdev; + mgabo->bo.bdev->dev_mapping = dev->dev_mapping; mgag200_ttm_placement(mgabo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM); @@ -353,6 +354,7 @@ int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr) bo->pin_count++; if (gpu_addr) *gpu_addr = mgag200_bo_gpu_offset(bo); + return 0; } mgag200_ttm_placement(bo, pl_flag); diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/hdanva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/hdanva3.c index 373dbcc5..a19e7d7 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/hdanva3.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/hdanva3.c @@ -36,6 +36,8 @@ nva3_hda_eld(struct nv50_disp_priv *priv, int or, u8 *data, u32 size) if (data && data[0]) { for (i = 0; i < size; i++) nv_wr32(priv, 0x61c440 + soff, (i << 8) | data[i]); + for (; i < 0x60; i++) + nv_wr32(priv, 0x61c440 + soff, (i << 8)); nv_mask(priv, 0x61c448 + soff, 0x80000003, 0x80000003); } else if (data) { diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/hdanvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/hdanvd0.c index dc57e24..7176393 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/hdanvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/hdanvd0.c @@ -41,6 +41,8 @@ nvd0_hda_eld(struct nv50_disp_priv *priv, int or, u8 *data, u32 size) if (data && data[0]) { for (i = 0; i < size; i++) nv_wr32(priv, 0x10ec00 + soff, (i << 8) | data[i]); + for (; i < 0x60; i++) + nv_wr32(priv, 0x10ec00 + soff, (i << 8)); nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000003); } else if (data) { diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c index ab1e918..526b752 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c @@ -47,14 +47,8 @@ int nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) { struct nv50_disp_priv *priv = (void *)object->engine; - struct nouveau_bios *bios = nouveau_bios(priv); - const u16 type = (mthd & NV50_DISP_SOR_MTHD_TYPE) >> 12; const u8 head = (mthd & NV50_DISP_SOR_MTHD_HEAD) >> 3; - const u8 link = (mthd & NV50_DISP_SOR_MTHD_LINK) >> 2; const u8 or = (mthd & NV50_DISP_SOR_MTHD_OR); - const u16 mask = (0x0100 << head) | (0x0040 << link) | (0x0001 << or); - struct dcb_output outp; - u8 ver, hdr; u32 data; int ret = -EINVAL; @@ -62,8 +56,6 @@ nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) return -EINVAL; data = *(u32 *)args; - if (type && !dcb_outp_match(bios, type, mask, &ver, &hdr, &outp)) - return -ENODEV; switch (mthd & ~0x3f) { case NV50_DISP_SOR_PWR: diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c index 49ecbb8..c190043 100644 --- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c +++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c @@ -265,8 +265,8 @@ nv31_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, int nv31_mpeg_init(struct nouveau_object *object) { - struct nouveau_engine *engine = nv_engine(object->engine); - struct nv31_mpeg_priv *priv = (void *)engine; + struct nouveau_engine *engine = nv_engine(object); + struct nv31_mpeg_priv *priv = (void *)object; struct nouveau_fb *pfb = nouveau_fb(object); int ret, i; @@ -284,7 +284,10 @@ nv31_mpeg_init(struct nouveau_object *object) /* PMPEG init */ nv_wr32(priv, 0x00b32c, 0x00000000); nv_wr32(priv, 0x00b314, 0x00000100); - nv_wr32(priv, 0x00b220, nv44_graph_class(priv) ? 0x00000044 : 0x00000031); + if (nv_device(priv)->chipset >= 0x40 && nv44_graph_class(priv)) + nv_wr32(priv, 0x00b220, 0x00000044); + else + nv_wr32(priv, 0x00b220, 0x00000031); nv_wr32(priv, 0x00b300, 0x02001ec1); nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001); diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c index f7c581a..dd61960 100644 --- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c @@ -61,6 +61,7 @@ nv40_mpeg_context_ctor(struct nouveau_object *parent, if (ret) return ret; + nv_wo32(&chan->base.base, 0x78, 0x02001ec1); return 0; } diff --git a/drivers/gpu/drm/nouveau/core/engine/xtensa.c b/drivers/gpu/drm/nouveau/core/engine/xtensa.c index 0639bc5..5f6ede7 100644 --- a/drivers/gpu/drm/nouveau/core/engine/xtensa.c +++ b/drivers/gpu/drm/nouveau/core/engine/xtensa.c @@ -118,7 +118,13 @@ _nouveau_xtensa_init(struct nouveau_object *object) return ret; } - ret = nouveau_gpuobj_new(object, NULL, fw->size, 0x1000, 0, + if (fw->size > 0x40000) { + nv_warn(xtensa, "firmware %s too large\n", name); + release_firmware(fw); + return -EINVAL; + } + + ret = nouveau_gpuobj_new(object, NULL, 0x40000, 0x1000, 0, &xtensa->gpu_fw); if (ret) { release_firmware(fw); diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/vm.h b/drivers/gpu/drm/nouveau/core/include/subdev/vm.h index f2e87b1..fcf57fa 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/vm.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/vm.h @@ -55,7 +55,7 @@ struct nouveau_vma { struct nouveau_vm { struct nouveau_vmmgr *vmm; struct nouveau_mm mm; - int refcount; + struct kref refcount; struct list_head pgd_list; atomic_t engref[NVDEV_SUBDEV_NR]; diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/priv.h b/drivers/gpu/drm/nouveau/core/subdev/fb/priv.h index 6c974dd..db9d6dd 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/priv.h +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/priv.h @@ -81,7 +81,7 @@ void nv44_fb_tile_prog(struct nouveau_fb *, int, struct nouveau_fb_tile *); void nv46_fb_tile_init(struct nouveau_fb *, int i, u32 addr, u32 size, u32 pitch, u32 flags, struct nouveau_fb_tile *); -void nv50_ram_put(struct nouveau_fb *, struct nouveau_mem **); +void __nv50_ram_put(struct nouveau_fb *, struct nouveau_mem *); extern int nv50_fb_memtype[0x80]; #endif diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv50.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv50.c index af5aa7e..903baff 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnv50.c @@ -27,17 +27,10 @@ #include "priv.h" void -nv50_ram_put(struct nouveau_fb *pfb, struct nouveau_mem **pmem) +__nv50_ram_put(struct nouveau_fb *pfb, struct nouveau_mem *mem) { struct nouveau_mm_node *this; - struct nouveau_mem *mem; - mem = *pmem; - *pmem = NULL; - if (unlikely(mem == NULL)) - return; - - mutex_lock(&pfb->base.mutex); while (!list_empty(&mem->regions)) { this = list_first_entry(&mem->regions, typeof(*this), rl_entry); @@ -46,6 +39,19 @@ nv50_ram_put(struct nouveau_fb *pfb, struct nouveau_mem **pmem) } nouveau_mm_free(&pfb->tags, &mem->tag); +} + +void +nv50_ram_put(struct nouveau_fb *pfb, struct nouveau_mem **pmem) +{ + struct nouveau_mem *mem = *pmem; + + *pmem = NULL; + if (unlikely(mem == NULL)) + return; + + mutex_lock(&pfb->base.mutex); + __nv50_ram_put(pfb, mem); mutex_unlock(&pfb->base.mutex); kfree(mem); diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c index 9c3634a..cf97c4d 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c @@ -33,11 +33,19 @@ void nvc0_ram_put(struct nouveau_fb *pfb, struct nouveau_mem **pmem) { struct nouveau_ltcg *ltcg = nouveau_ltcg(pfb); + struct nouveau_mem *mem = *pmem; - if ((*pmem)->tag) - ltcg->tags_free(ltcg, &(*pmem)->tag); + *pmem = NULL; + if (unlikely(mem == NULL)) + return; - nv50_ram_put(pfb, pmem); + mutex_lock(&pfb->base.mutex); + if (mem->tag) + ltcg->tags_free(ltcg, &mem->tag); + __nv50_ram_put(pfb, mem); + mutex_unlock(&pfb->base.mutex); + + kfree(mem); } int diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c index bf489dc..c4c1d41 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c @@ -103,7 +103,7 @@ nv50_gpio_intr(struct nouveau_subdev *subdev) int i; intr0 = nv_rd32(priv, 0xe054) & nv_rd32(priv, 0xe050); - if (nv_device(priv)->chipset >= 0x90) + if (nv_device(priv)->chipset > 0x92) intr1 = nv_rd32(priv, 0xe074) & nv_rd32(priv, 0xe070); hi = (intr0 & 0x0000ffff) | (intr1 << 16); @@ -115,7 +115,7 @@ nv50_gpio_intr(struct nouveau_subdev *subdev) } nv_wr32(priv, 0xe054, intr0); - if (nv_device(priv)->chipset >= 0x90) + if (nv_device(priv)->chipset > 0x92) nv_wr32(priv, 0xe074, intr1); } @@ -146,7 +146,7 @@ nv50_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine, int ret; ret = nouveau_gpio_create(parent, engine, oclass, - nv_device(parent)->chipset >= 0x90 ? 32 : 16, + nv_device(parent)->chipset > 0x92 ? 32 : 16, &priv); *pobject = nv_object(priv); if (ret) @@ -182,7 +182,7 @@ nv50_gpio_init(struct nouveau_object *object) /* disable, and ack any pending gpio interrupts */ nv_wr32(priv, 0xe050, 0x00000000); nv_wr32(priv, 0xe054, 0xffffffff); - if (nv_device(priv)->chipset >= 0x90) { + if (nv_device(priv)->chipset > 0x92) { nv_wr32(priv, 0xe070, 0x00000000); nv_wr32(priv, 0xe074, 0xffffffff); } @@ -195,7 +195,7 @@ nv50_gpio_fini(struct nouveau_object *object, bool suspend) { struct nv50_gpio_priv *priv = (void *)object; nv_wr32(priv, 0xe050, 0x00000000); - if (nv_device(priv)->chipset >= 0x90) + if (nv_device(priv)->chipset > 0x92) nv_wr32(priv, 0xe070, 0x00000000); return nouveau_gpio_fini(&priv->base, suspend); } diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c index 0cb322a..f25fc5f 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c @@ -41,7 +41,7 @@ nv50_mc_intr[] = { { 0x04000000, NVDEV_ENGINE_DISP }, { 0x10000000, NVDEV_SUBDEV_BUS }, { 0x80000000, NVDEV_ENGINE_SW }, - { 0x0000d101, NVDEV_SUBDEV_FB }, + { 0x0002d101, NVDEV_SUBDEV_FB }, {}, }; diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c index 67fcb6c..ef3133e 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c @@ -361,7 +361,7 @@ nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length, INIT_LIST_HEAD(&vm->pgd_list); vm->vmm = vmm; - vm->refcount = 1; + kref_init(&vm->refcount); vm->fpde = offset >> (vmm->pgt_bits + 12); vm->lpde = (offset + length - 1) >> (vmm->pgt_bits + 12); @@ -441,8 +441,9 @@ nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *mpgd) } static void -nouveau_vm_del(struct nouveau_vm *vm) +nouveau_vm_del(struct kref *kref) { + struct nouveau_vm *vm = container_of(kref, typeof(*vm), refcount); struct nouveau_vm_pgd *vpgd, *tmp; list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) { @@ -458,27 +459,19 @@ int nouveau_vm_ref(struct nouveau_vm *ref, struct nouveau_vm **ptr, struct nouveau_gpuobj *pgd) { - struct nouveau_vm *vm; - int ret; - - vm = ref; - if (vm) { - ret = nouveau_vm_link(vm, pgd); + if (ref) { + int ret = nouveau_vm_link(ref, pgd); if (ret) return ret; - vm->refcount++; + kref_get(&ref->refcount); } - vm = *ptr; - *ptr = ref; - - if (vm) { - nouveau_vm_unlink(vm, pgd); - - if (--vm->refcount == 0) - nouveau_vm_del(vm); + if (*ptr) { + nouveau_vm_unlink(*ptr, pgd); + kref_put(&(*ptr)->refcount, nouveau_vm_del); } + *ptr = ref; return 0; } diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 4e7ee5f..af20fba 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -198,7 +198,12 @@ nouveau_bo_new(struct drm_device *dev, int size, int align, size_t acc_size; int ret; int type = ttm_bo_type_device; - int max_size = INT_MAX & ~((1 << drm->client.base.vm->vmm->lpg_shift) - 1); + int lpg_shift = 12; + int max_size; + + if (drm->client.base.vm) + lpg_shift = drm->client.base.vm->vmm->lpg_shift; + max_size = INT_MAX & ~((1 << lpg_shift) - 1); if (size <= 0 || size > max_size) { nv_warn(drm, "skipped size %x\n", (u32)size); diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 4c1bc06..8f6d63d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -398,7 +398,8 @@ void nouveau_fbcon_output_poll_changed(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); - drm_fb_helper_hotplug_event(&drm->fbcon->helper); + if (drm->fbcon) + drm_fb_helper_hotplug_event(&drm->fbcon->helper); } static int diff --git a/drivers/gpu/drm/nouveau/nv17_fence.c b/drivers/gpu/drm/nouveau/nv17_fence.c index 8e47a9b..22aa996 100644 --- a/drivers/gpu/drm/nouveau/nv17_fence.c +++ b/drivers/gpu/drm/nouveau/nv17_fence.c @@ -76,7 +76,7 @@ nv17_fence_context_new(struct nouveau_channel *chan) struct ttm_mem_reg *mem = &priv->bo->bo.mem; struct nouveau_object *object; u32 start = mem->start * PAGE_SIZE; - u32 limit = mem->start + mem->size - 1; + u32 limit = start + mem->size - 1; int ret = 0; fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL); diff --git a/drivers/gpu/drm/nouveau/nv50_fence.c b/drivers/gpu/drm/nouveau/nv50_fence.c index f9701e5..0ee3638 100644 --- a/drivers/gpu/drm/nouveau/nv50_fence.c +++ b/drivers/gpu/drm/nouveau/nv50_fence.c @@ -39,6 +39,8 @@ nv50_fence_context_new(struct nouveau_channel *chan) struct nv10_fence_chan *fctx; struct ttm_mem_reg *mem = &priv->bo->bo.mem; struct nouveau_object *object; + u32 start = mem->start * PAGE_SIZE; + u32 limit = start + mem->size - 1; int ret, i; fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL); @@ -51,26 +53,28 @@ nv50_fence_context_new(struct nouveau_channel *chan) fctx->base.sync = nv17_fence_sync; ret = nouveau_object_new(nv_object(chan->cli), chan->handle, - NvSema, 0x0002, + NvSema, 0x003d, &(struct nv_dma_class) { .flags = NV_DMA_TARGET_VRAM | NV_DMA_ACCESS_RDWR, - .start = mem->start * PAGE_SIZE, - .limit = mem->size - 1, + .start = start, + .limit = limit, }, sizeof(struct nv_dma_class), &object); /* dma objects for display sync channel semaphore blocks */ for (i = 0; !ret && i < dev->mode_config.num_crtc; i++) { struct nouveau_bo *bo = nv50_display_crtc_sema(dev, i); + u32 start = bo->bo.mem.start * PAGE_SIZE; + u32 limit = start + bo->bo.mem.size - 1; ret = nouveau_object_new(nv_object(chan->cli), chan->handle, NvEvoSema0 + i, 0x003d, &(struct nv_dma_class) { .flags = NV_DMA_TARGET_VRAM | NV_DMA_ACCESS_RDWR, - .start = bo->bo.offset, - .limit = bo->bo.offset + 0xfff, + .start = start, + .limit = limit, }, sizeof(struct nv_dma_class), &object); } diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index fb441a7..15da7ef 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -1222,12 +1222,17 @@ int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) int r; mutex_lock(&ctx->mutex); + /* reset data block */ + ctx->data_block = 0; /* reset reg block */ ctx->reg_block = 0; /* reset fb window */ ctx->fb_base = 0; /* reset io mode */ ctx->io_mode = ATOM_IO_MM; + /* reset divmul */ + ctx->divmul[0] = 0; + ctx->divmul[1] = 0; r = atom_execute_table_locked(ctx, index, params); mutex_unlock(&ctx->mutex); return r; diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c index 0bfd55e..9953e1f 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.c +++ b/drivers/gpu/drm/radeon/btc_dpm.c @@ -2548,9 +2548,6 @@ int btc_dpm_init(struct radeon_device *rdev) { struct rv7xx_power_info *pi; struct evergreen_power_info *eg_pi; - int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); - u16 data_offset, size; - u8 frev, crev; struct atom_clock_dividers dividers; int ret; @@ -2633,16 +2630,7 @@ int btc_dpm_init(struct radeon_device *rdev) eg_pi->vddci_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0); - if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size, - &frev, &crev, &data_offset)) { - pi->sclk_ss = true; - pi->mclk_ss = true; - pi->dynamic_ss = true; - } else { - pi->sclk_ss = false; - pi->mclk_ss = false; - pi->dynamic_ss = true; - } + rv770_get_engine_memory_ss(rdev); pi->asi = RV770_ASI_DFLT; pi->pasi = CYPRESS_HASI_DFLT; @@ -2659,8 +2647,7 @@ int btc_dpm_init(struct radeon_device *rdev) pi->dynamic_pcie_gen2 = true; - if (pi->gfx_clock_gating && - (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)) + if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE) pi->thermal_protection = true; else pi->thermal_protection = false; diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 6dacec4..8928bd1 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -2587,9 +2587,11 @@ u32 cik_compute_ring_get_rptr(struct radeon_device *rdev, if (rdev->wb.enabled) { rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]); } else { + mutex_lock(&rdev->srbm_mutex); cik_srbm_select(rdev, ring->me, ring->pipe, ring->queue, 0); rptr = RREG32(CP_HQD_PQ_RPTR); cik_srbm_select(rdev, 0, 0, 0, 0); + mutex_unlock(&rdev->srbm_mutex); } rptr = (rptr & ring->ptr_reg_mask) >> ring->ptr_reg_shift; @@ -2604,9 +2606,11 @@ u32 cik_compute_ring_get_wptr(struct radeon_device *rdev, if (rdev->wb.enabled) { wptr = le32_to_cpu(rdev->wb.wb[ring->wptr_offs/4]); } else { + mutex_lock(&rdev->srbm_mutex); cik_srbm_select(rdev, ring->me, ring->pipe, ring->queue, 0); wptr = RREG32(CP_HQD_PQ_WPTR); cik_srbm_select(rdev, 0, 0, 0, 0); + mutex_unlock(&rdev->srbm_mutex); } wptr = (wptr & ring->ptr_reg_mask) >> ring->ptr_reg_shift; @@ -2897,6 +2901,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev) WREG32(CP_CPF_DEBUG, tmp); /* init the pipes */ + mutex_lock(&rdev->srbm_mutex); for (i = 0; i < (rdev->mec.num_pipe * rdev->mec.num_mec); i++) { int me = (i < 4) ? 1 : 2; int pipe = (i < 4) ? i : (i - 4); @@ -2919,6 +2924,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev) WREG32(CP_HPD_EOP_CONTROL, tmp); } cik_srbm_select(rdev, 0, 0, 0, 0); + mutex_unlock(&rdev->srbm_mutex); /* init the queues. Just two for now. */ for (i = 0; i < 2; i++) { @@ -2972,6 +2978,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev) mqd->static_thread_mgmt23[0] = 0xffffffff; mqd->static_thread_mgmt23[1] = 0xffffffff; + mutex_lock(&rdev->srbm_mutex); cik_srbm_select(rdev, rdev->ring[idx].me, rdev->ring[idx].pipe, rdev->ring[idx].queue, 0); @@ -3099,6 +3106,7 @@ static int cik_cp_compute_resume(struct radeon_device *rdev) WREG32(CP_HQD_ACTIVE, mqd->queue_state.cp_hqd_active); cik_srbm_select(rdev, 0, 0, 0, 0); + mutex_unlock(&rdev->srbm_mutex); radeon_bo_kunmap(rdev->ring[idx].mqd_obj); radeon_bo_unreserve(rdev->ring[idx].mqd_obj); @@ -4320,6 +4328,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev) /* XXX SH_MEM regs */ /* where to put LDS, scratch, GPUVM in FSA64 space */ + mutex_lock(&rdev->srbm_mutex); for (i = 0; i < 16; i++) { cik_srbm_select(rdev, 0, 0, 0, i); /* CP and shaders */ @@ -4335,6 +4344,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev) /* XXX SDMA RLC - todo */ } cik_srbm_select(rdev, 0, 0, 0, 0); + mutex_unlock(&rdev->srbm_mutex); cik_pcie_gart_tlb_flush(rdev); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", @@ -5954,6 +5964,8 @@ static int cik_startup(struct radeon_device *rdev) struct radeon_ring *ring; int r; + cik_mc_program(rdev); + if (rdev->flags & RADEON_IS_IGP) { if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw || !rdev->mec_fw || !rdev->sdma_fw || !rdev->rlc_fw) { @@ -5985,7 +5997,6 @@ static int cik_startup(struct radeon_device *rdev) if (r) return r; - cik_mc_program(rdev); r = cik_pcie_gart_enable(rdev); if (r) return r; @@ -6194,7 +6205,7 @@ int cik_suspend(struct radeon_device *rdev) radeon_vm_manager_fini(rdev); cik_cp_enable(rdev, false); cik_sdma_enable(rdev, false); - r600_uvd_rbc_stop(rdev); + r600_uvd_stop(rdev); radeon_uvd_suspend(rdev); cik_irq_suspend(rdev); radeon_wb_disable(rdev); @@ -6358,6 +6369,7 @@ void cik_fini(struct radeon_device *rdev) radeon_vm_manager_fini(rdev); radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); + r600_uvd_stop(rdev); radeon_uvd_fini(rdev); cik_pcie_gart_fini(rdev); r600_vram_scratch_fini(rdev); @@ -6978,7 +6990,7 @@ int cik_uvd_resume(struct radeon_device *rdev) /* programm the VCPU memory controller bits 0-27 */ addr = rdev->uvd.gpu_addr >> 3; - size = RADEON_GPU_PAGE_ALIGN(rdev->uvd.fw_size + 4) >> 3; + size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3; WREG32(UVD_VCPU_CACHE_OFFSET0, addr); WREG32(UVD_VCPU_CACHE_SIZE0, size); diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c index 9bcdd17..7e5d0b5 100644 --- a/drivers/gpu/drm/radeon/cypress_dpm.c +++ b/drivers/gpu/drm/radeon/cypress_dpm.c @@ -2038,9 +2038,6 @@ int cypress_dpm_init(struct radeon_device *rdev) { struct rv7xx_power_info *pi; struct evergreen_power_info *eg_pi; - int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); - uint16_t data_offset, size; - uint8_t frev, crev; struct atom_clock_dividers dividers; int ret; @@ -2092,16 +2089,7 @@ int cypress_dpm_init(struct radeon_device *rdev) eg_pi->vddci_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0); - if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size, - &frev, &crev, &data_offset)) { - pi->sclk_ss = true; - pi->mclk_ss = true; - pi->dynamic_ss = true; - } else { - pi->sclk_ss = false; - pi->mclk_ss = false; - pi->dynamic_ss = true; - } + rv770_get_engine_memory_ss(rdev); pi->asi = RV770_ASI_DFLT; pi->pasi = CYPRESS_HASI_DFLT; @@ -2122,8 +2110,7 @@ int cypress_dpm_init(struct radeon_device *rdev) pi->dynamic_pcie_gen2 = true; - if (pi->gfx_clock_gating && - (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)) + if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE) pi->thermal_protection = true; else pi->thermal_protection = false; diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 038dcac..d5b49e3 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -5106,6 +5106,8 @@ static int evergreen_startup(struct radeon_device *rdev) /* enable aspm */ evergreen_program_aspm(rdev); + evergreen_mc_program(rdev); + if (ASIC_IS_DCE5(rdev)) { if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { r = ni_init_microcode(rdev); @@ -5133,7 +5135,6 @@ static int evergreen_startup(struct radeon_device *rdev) if (r) return r; - evergreen_mc_program(rdev); if (rdev->flags & RADEON_IS_AGP) { evergreen_agp_enable(rdev); } else { @@ -5291,10 +5292,10 @@ int evergreen_resume(struct radeon_device *rdev) int evergreen_suspend(struct radeon_device *rdev) { r600_audio_fini(rdev); + r600_uvd_stop(rdev); radeon_uvd_suspend(rdev); r700_cp_stop(rdev); r600_dma_stop(rdev); - r600_uvd_rbc_stop(rdev); evergreen_irq_suspend(rdev); radeon_wb_disable(rdev); evergreen_pcie_gart_disable(rdev); @@ -5429,6 +5430,7 @@ void evergreen_fini(struct radeon_device *rdev) radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); evergreen_pcie_gart_fini(rdev); + r600_uvd_stop(rdev); radeon_uvd_fini(rdev); r600_vram_scratch_fini(rdev); radeon_gem_fini(rdev); diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index b0d3fb3..b0e2800 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -148,18 +148,40 @@ static void evergreen_audio_set_dto(struct drm_encoder *encoder, u32 clock) struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); u32 base_rate = 24000; + u32 max_ratio = clock / base_rate; + u32 dto_phase; + u32 dto_modulo = clock; + u32 wallclock_ratio; + u32 dto_cntl; if (!dig || !dig->afmt) return; + if (max_ratio >= 8) { + dto_phase = 192 * 1000; + wallclock_ratio = 3; + } else if (max_ratio >= 4) { + dto_phase = 96 * 1000; + wallclock_ratio = 2; + } else if (max_ratio >= 2) { + dto_phase = 48 * 1000; + wallclock_ratio = 1; + } else { + dto_phase = 24 * 1000; + wallclock_ratio = 0; + } + dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; + dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); + WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl); + /* XXX two dtos; generally use dto0 for hdmi */ /* Express [24MHz / target pixel clock] as an exact rational * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator */ - WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100); - WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100); WREG32(DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL(radeon_crtc->crtc_id)); + WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase); + WREG32(DCCG_AUDIO_DTO0_MODULE, dto_modulo); } diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index a7baf67..0d582ac 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -497,6 +497,9 @@ #define DCCG_AUDIO_DTO0_MODULE 0x05b4 #define DCCG_AUDIO_DTO0_LOAD 0x05b8 #define DCCG_AUDIO_DTO0_CNTL 0x05bc +# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO(x) (((x) & 7) << 0) +# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK 7 +# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_SHIFT 0 #define DCCG_AUDIO_DTO1_PHASE 0x05c0 #define DCCG_AUDIO_DTO1_MODULE 0x05c4 diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 56bd4f3..ccb4f8b5 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -794,9 +794,13 @@ int ni_init_microcode(struct radeon_device *rdev) if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) { snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name); err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); - if (err) - goto out; - if (rdev->smc_fw->size != smc_req_size) { + if (err) { + printk(KERN_ERR + "smc: error loading firmware \"%s\"\n", + fw_name); + release_firmware(rdev->smc_fw); + rdev->smc_fw = NULL; + } else if (rdev->smc_fw->size != smc_req_size) { printk(KERN_ERR "ni_mc: Bogus length %zu in firmware \"%s\"\n", rdev->mc_fw->size, fw_name); @@ -2079,6 +2083,8 @@ static int cayman_startup(struct radeon_device *rdev) /* enable aspm */ evergreen_program_aspm(rdev); + evergreen_mc_program(rdev); + if (rdev->flags & RADEON_IS_IGP) { if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = ni_init_microcode(rdev); @@ -2107,7 +2113,6 @@ static int cayman_startup(struct radeon_device *rdev) if (r) return r; - evergreen_mc_program(rdev); r = cayman_pcie_gart_enable(rdev); if (r) return r; @@ -2286,7 +2291,7 @@ int cayman_suspend(struct radeon_device *rdev) radeon_vm_manager_fini(rdev); cayman_cp_enable(rdev, false); cayman_dma_stop(rdev); - r600_uvd_rbc_stop(rdev); + r600_uvd_stop(rdev); radeon_uvd_suspend(rdev); evergreen_irq_suspend(rdev); radeon_wb_disable(rdev); @@ -2418,6 +2423,7 @@ void cayman_fini(struct radeon_device *rdev) radeon_vm_manager_fini(rdev); radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); + r600_uvd_stop(rdev); radeon_uvd_fini(rdev); cayman_pcie_gart_fini(rdev); r600_vram_scratch_fini(rdev); diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index 559cf24..f0f5f74 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -1054,10 +1054,6 @@ static int ni_restrict_performance_levels_before_switch(struct radeon_device *rd int ni_dpm_force_performance_level(struct radeon_device *rdev, enum radeon_dpm_forced_level level) { - struct radeon_ps *rps = rdev->pm.dpm.current_ps; - struct ni_ps *ps = ni_get_ps(rps); - u32 levels; - if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK) return -EINVAL; @@ -1068,8 +1064,7 @@ int ni_dpm_force_performance_level(struct radeon_device *rdev, if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK) return -EINVAL; - levels = ps->performance_level_count - 1; - if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, levels) != PPSMC_Result_OK) + if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) != PPSMC_Result_OK) return -EINVAL; } else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) { if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK) @@ -4072,9 +4067,6 @@ int ni_dpm_init(struct radeon_device *rdev) struct rv7xx_power_info *pi; struct evergreen_power_info *eg_pi; struct ni_power_info *ni_pi; - int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); - u16 data_offset, size; - u8 frev, crev; struct atom_clock_dividers dividers; int ret; @@ -4167,16 +4159,7 @@ int ni_dpm_init(struct radeon_device *rdev) eg_pi->vddci_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0); - if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size, - &frev, &crev, &data_offset)) { - pi->sclk_ss = true; - pi->mclk_ss = true; - pi->dynamic_ss = true; - } else { - pi->sclk_ss = false; - pi->mclk_ss = false; - pi->dynamic_ss = true; - } + rv770_get_engine_memory_ss(rdev); pi->asi = RV770_ASI_DFLT; pi->pasi = CYPRESS_HASI_DFLT; @@ -4193,8 +4176,7 @@ int ni_dpm_init(struct radeon_device *rdev) pi->dynamic_pcie_gen2 = true; - if (pi->gfx_clock_gating && - (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)) + if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE) pi->thermal_protection = true; else pi->thermal_protection = false; diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 10f712e..e66e720 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2299,9 +2299,13 @@ int r600_init_microcode(struct radeon_device *rdev) if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) { snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name); err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); - if (err) - goto out; - if (rdev->smc_fw->size != smc_req_size) { + if (err) { + printk(KERN_ERR + "smc: error loading firmware \"%s\"\n", + fw_name); + release_firmware(rdev->smc_fw); + rdev->smc_fw = NULL; + } else if (rdev->smc_fw->size != smc_req_size) { printk(KERN_ERR "smc: Bogus length %zu in firmware \"%s\"\n", rdev->smc_fw->size, fw_name); @@ -2697,12 +2701,29 @@ int r600_uvd_rbc_start(struct radeon_device *rdev) return 0; } -void r600_uvd_rbc_stop(struct radeon_device *rdev) +void r600_uvd_stop(struct radeon_device *rdev) { struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX]; /* force RBC into idle state */ WREG32(UVD_RBC_RB_CNTL, 0x11010101); + + /* Stall UMC and register bus before resetting VCPU */ + WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); + WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3)); + mdelay(1); + + /* put VCPU into reset */ + WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET); + mdelay(5); + + /* disable VCPU clock */ + WREG32(UVD_VCPU_CNTL, 0x0); + + /* Unstall UMC and register bus */ + WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8)); + WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3)); + ring->ready = false; } @@ -2722,6 +2743,11 @@ int r600_uvd_init(struct radeon_device *rdev) /* disable interupt */ WREG32_P(UVD_MASTINT_EN, 0, ~(1 << 1)); + /* Stall UMC and register bus before resetting VCPU */ + WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); + WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3)); + mdelay(1); + /* put LMI, VCPU, RBC etc... into reset */ WREG32(UVD_SOFT_RESET, LMI_SOFT_RESET | VCPU_SOFT_RESET | LBSI_SOFT_RESET | RBC_SOFT_RESET | CSM_SOFT_RESET | @@ -2751,10 +2777,6 @@ int r600_uvd_init(struct radeon_device *rdev) WREG32(UVD_MPC_SET_ALU, 0); WREG32(UVD_MPC_SET_MUX, 0x88); - /* Stall UMC */ - WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); - WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3)); - /* take all subblocks out of reset, except VCPU */ WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET); mdelay(5); @@ -3312,6 +3334,8 @@ static int r600_startup(struct radeon_device *rdev) /* enable pcie gen2 link */ r600_pcie_gen2_enable(rdev); + r600_mc_program(rdev); + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = r600_init_microcode(rdev); if (r) { @@ -3324,7 +3348,6 @@ static int r600_startup(struct radeon_device *rdev) if (r) return r; - r600_mc_program(rdev); if (rdev->flags & RADEON_IS_AGP) { r600_agp_enable(rdev); } else { diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index f48240b..f264df5 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -226,10 +226,29 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; u32 base_rate = 24000; + u32 max_ratio = clock / base_rate; + u32 dto_phase; + u32 dto_modulo = clock; + u32 wallclock_ratio; + u32 dto_cntl; if (!dig || !dig->afmt) return; + if (max_ratio >= 8) { + dto_phase = 192 * 1000; + wallclock_ratio = 3; + } else if (max_ratio >= 4) { + dto_phase = 96 * 1000; + wallclock_ratio = 2; + } else if (max_ratio >= 2) { + dto_phase = 48 * 1000; + wallclock_ratio = 1; + } else { + dto_phase = 24 * 1000; + wallclock_ratio = 0; + } + /* there are two DTOs selected by DCCG_AUDIO_DTO_SELECT. * doesn't matter which one you use. Just use the first one. */ @@ -242,9 +261,21 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock) /* according to the reg specs, this should DCE3.2 only, but in * practice it seems to cover DCE3.0 as well. */ - WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100); - WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100); - WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */ + if (dig->dig_encoder == 0) { + dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; + dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); + WREG32(DCCG_AUDIO_DTO0_CNTL, dto_cntl); + WREG32(DCCG_AUDIO_DTO0_PHASE, dto_phase); + WREG32(DCCG_AUDIO_DTO0_MODULE, dto_modulo); + WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */ + } else { + dto_cntl = RREG32(DCCG_AUDIO_DTO1_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK; + dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio); + WREG32(DCCG_AUDIO_DTO1_CNTL, dto_cntl); + WREG32(DCCG_AUDIO_DTO1_PHASE, dto_phase); + WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo); + WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */ + } } else { /* according to the reg specs, this should be DCE2.0 and DCE3.0 */ WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) | diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 8e3fe81..7c78083 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -933,6 +933,9 @@ #define DCCG_AUDIO_DTO0_LOAD 0x051c # define DTO_LOAD (1 << 31) #define DCCG_AUDIO_DTO0_CNTL 0x0520 +# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO(x) (((x) & 7) << 0) +# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK 7 +# define DCCG_AUDIO_DTO_WALLCLOCK_RATIO_SHIFT 0 #define DCCG_AUDIO_DTO1_PHASE 0x0524 #define DCCG_AUDIO_DTO1_MODULE 0x0528 diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 2f08219..274b8e1 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1468,7 +1468,6 @@ struct radeon_uvd { void *cpu_addr; uint64_t gpu_addr; void *saved_bo; - unsigned fw_size; atomic_t handles[RADEON_MAX_UVD_HANDLES]; struct drm_file *filp[RADEON_MAX_UVD_HANDLES]; struct delayed_work idle_work; @@ -2066,6 +2065,7 @@ struct radeon_device { const struct firmware *mec_fw; /* CIK MEC firmware */ const struct firmware *sdma_fw; /* CIK SDMA firmware */ const struct firmware *smc_fw; /* SMC firmware */ + const struct firmware *uvd_fw; /* UVD firmware */ struct r600_blit r600_blit; struct r600_vram_scratch vram_scratch; int msi_enabled; /* msi enabled */ @@ -2095,6 +2095,8 @@ struct radeon_device { /* ACPI interface */ struct radeon_atif atif; struct radeon_atcs atcs; + /* srbm instance registers */ + struct mutex srbm_mutex; }; int radeon_device_init(struct radeon_device *rdev, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 902479f..3d61d5a 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -441,7 +441,7 @@ void rs780_dpm_debugfs_print_current_performance_level(struct radeon_device *rde /* uvd */ int r600_uvd_init(struct radeon_device *rdev); int r600_uvd_rbc_start(struct radeon_device *rdev); -void r600_uvd_rbc_stop(struct radeon_device *rdev); +void r600_uvd_stop(struct radeon_device *rdev); int r600_uvd_ib_test(struct radeon_device *rdev, struct radeon_ring *ring); void r600_uvd_fence_emit(struct radeon_device *rdev, struct radeon_fence *fence); diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index e3f3e88..4ccd61f 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -2782,7 +2782,7 @@ int radeon_atom_get_clock_dividers(struct radeon_device *rdev, ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false; dividers->enable_dithen = (args.v3.ucCntlFlag & ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true; - dividers->fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv); + dividers->whole_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv); dividers->frac_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDivFrac); dividers->ref_div = args.v3.ucRefDiv; dividers->vco_mode = (args.v3.ucCntlFlag & diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 82335e3..63398ae 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1163,6 +1163,7 @@ int radeon_device_init(struct radeon_device *rdev, mutex_init(&rdev->gem.mutex); mutex_init(&rdev->pm.mutex); mutex_init(&rdev->gpu_clock_mutex); + mutex_init(&rdev->srbm_mutex); init_rwsem(&rdev->pm.mclk_lock); init_rwsem(&rdev->exclusive_lock); init_waitqueue_head(&rdev->irq.vblank_queue); @@ -1519,6 +1520,7 @@ int radeon_gpu_reset(struct radeon_device *rdev) radeon_save_bios_scratch_regs(rdev); /* block TTM */ resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); + radeon_pm_suspend(rdev); radeon_suspend(rdev); for (i = 0; i < RADEON_NUM_RINGS; ++i) { @@ -1564,6 +1566,7 @@ retry: } } + radeon_pm_resume(rdev); drm_helper_resume_force_mode(rdev->ddev); ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 7ddb0ef..ddb8f8e 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -782,7 +782,7 @@ int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring) } else { /* put fence directly behind firmware */ - index = ALIGN(rdev->uvd.fw_size, 8); + index = ALIGN(rdev->uvd_fw->size, 8); rdev->fence_drv[ring].cpu_addr = rdev->uvd.cpu_addr + index; rdev->fence_drv[ring].gpu_addr = rdev->uvd.gpu_addr + index; } diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 6a51d94..b990b1a 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -207,7 +207,6 @@ void radeon_gart_table_vram_free(struct radeon_device *rdev) if (rdev->gart.robj == NULL) { return; } - radeon_gart_table_vram_unpin(rdev); radeon_bo_unref(&rdev->gart.robj); } diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index f374c46..c557850 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -1176,7 +1176,14 @@ int radeon_pm_init(struct radeon_device *rdev) case CHIP_VERDE: case CHIP_OLAND: case CHIP_HAINAN: - if (radeon_dpm == 1) + /* DPM requires the RLC, RV770+ dGPU requires SMC */ + if (!rdev->rlc_fw) + rdev->pm.pm_method = PM_METHOD_PROFILE; + else if ((rdev->family >= CHIP_RV770) && + (!(rdev->flags & RADEON_IS_IGP)) && + (!rdev->smc_fw)) + rdev->pm.pm_method = PM_METHOD_PROFILE; + else if (radeon_dpm == 1) rdev->pm.pm_method = PM_METHOD_DPM; else rdev->pm.pm_method = PM_METHOD_PROFILE; diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 414fd14..f1c1575 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -56,7 +56,6 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work); int radeon_uvd_init(struct radeon_device *rdev) { - const struct firmware *fw; unsigned long bo_size; const char *fw_name; int i, r; @@ -105,14 +104,14 @@ int radeon_uvd_init(struct radeon_device *rdev) return -EINVAL; } - r = request_firmware(&fw, fw_name, rdev->dev); + r = request_firmware(&rdev->uvd_fw, fw_name, rdev->dev); if (r) { dev_err(rdev->dev, "radeon_uvd: Can't load firmware \"%s\"\n", fw_name); return r; } - bo_size = RADEON_GPU_PAGE_ALIGN(fw->size + 8) + + bo_size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 8) + RADEON_UVD_STACK_SIZE + RADEON_UVD_HEAP_SIZE; r = radeon_bo_create(rdev, bo_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->uvd.vcpu_bo); @@ -145,12 +144,6 @@ int radeon_uvd_init(struct radeon_device *rdev) radeon_bo_unreserve(rdev->uvd.vcpu_bo); - rdev->uvd.fw_size = fw->size; - memset(rdev->uvd.cpu_addr, 0, bo_size); - memcpy(rdev->uvd.cpu_addr, fw->data, fw->size); - - release_firmware(fw); - for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) { atomic_set(&rdev->uvd.handles[i], 0); rdev->uvd.filp[i] = NULL; @@ -174,33 +167,60 @@ void radeon_uvd_fini(struct radeon_device *rdev) } radeon_bo_unref(&rdev->uvd.vcpu_bo); + + release_firmware(rdev->uvd_fw); } int radeon_uvd_suspend(struct radeon_device *rdev) { unsigned size; + void *ptr; + int i; if (rdev->uvd.vcpu_bo == NULL) return 0; + for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) + if (atomic_read(&rdev->uvd.handles[i])) + break; + + if (i == RADEON_MAX_UVD_HANDLES) + return 0; + size = radeon_bo_size(rdev->uvd.vcpu_bo); + size -= rdev->uvd_fw->size; + + ptr = rdev->uvd.cpu_addr; + ptr += rdev->uvd_fw->size; + rdev->uvd.saved_bo = kmalloc(size, GFP_KERNEL); - memcpy(rdev->uvd.saved_bo, rdev->uvd.cpu_addr, size); + memcpy(rdev->uvd.saved_bo, ptr, size); return 0; } int radeon_uvd_resume(struct radeon_device *rdev) { + unsigned size; + void *ptr; + if (rdev->uvd.vcpu_bo == NULL) return -EINVAL; + memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size); + + size = radeon_bo_size(rdev->uvd.vcpu_bo); + size -= rdev->uvd_fw->size; + + ptr = rdev->uvd.cpu_addr; + ptr += rdev->uvd_fw->size; + if (rdev->uvd.saved_bo != NULL) { - unsigned size = radeon_bo_size(rdev->uvd.vcpu_bo); - memcpy(rdev->uvd.cpu_addr, rdev->uvd.saved_bo, size); + memcpy(ptr, rdev->uvd.saved_bo, size); kfree(rdev->uvd.saved_bo); rdev->uvd.saved_bo = NULL; - } + } else + memset(ptr, 0, size); return 0; } @@ -215,8 +235,8 @@ void radeon_uvd_free_handles(struct radeon_device *rdev, struct drm_file *filp) { int i, r; for (i = 0; i < RADEON_MAX_UVD_HANDLES; ++i) { - if (rdev->uvd.filp[i] == filp) { - uint32_t handle = atomic_read(&rdev->uvd.handles[i]); + uint32_t handle = atomic_read(&rdev->uvd.handles[i]); + if (handle != 0 && rdev->uvd.filp[i] == filp) { struct radeon_fence *fence; r = radeon_uvd_get_destroy_msg(rdev, @@ -337,8 +357,10 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, } r = radeon_bo_kmap(bo, &ptr); - if (r) + if (r) { + DRM_ERROR("Failed mapping the UVD message (%d)!\n", r); return r; + } msg = ptr + offset; @@ -364,8 +386,14 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, radeon_bo_kunmap(bo); return 0; } else { - /* it's a create msg, no special handling needed */ radeon_bo_kunmap(bo); + + if (msg_type != 0) { + DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type); + return -EINVAL; + } + + /* it's a create msg, no special handling needed */ } /* create or decode, validate the handle */ @@ -388,7 +416,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, int data0, int data1, - unsigned buf_sizes[]) + unsigned buf_sizes[], bool *has_msg_cmd) { struct radeon_cs_chunk *relocs_chunk; struct radeon_cs_reloc *reloc; @@ -417,7 +445,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, if (cmd < 0x4) { if ((end - start) < buf_sizes[cmd]) { - DRM_ERROR("buffer to small (%d / %d)!\n", + DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd, (unsigned)(end - start), buf_sizes[cmd]); return -EINVAL; } @@ -442,9 +470,17 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, } if (cmd == 0) { + if (*has_msg_cmd) { + DRM_ERROR("More than one message in a UVD-IB!\n"); + return -EINVAL; + } + *has_msg_cmd = true; r = radeon_uvd_cs_msg(p, reloc->robj, offset, buf_sizes); if (r) return r; + } else if (!*has_msg_cmd) { + DRM_ERROR("Message needed before other commands are send!\n"); + return -EINVAL; } return 0; @@ -453,7 +489,8 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, static int radeon_uvd_cs_reg(struct radeon_cs_parser *p, struct radeon_cs_packet *pkt, int *data0, int *data1, - unsigned buf_sizes[]) + unsigned buf_sizes[], + bool *has_msg_cmd) { int i, r; @@ -467,7 +504,8 @@ static int radeon_uvd_cs_reg(struct radeon_cs_parser *p, *data1 = p->idx; break; case UVD_GPCOM_VCPU_CMD: - r = radeon_uvd_cs_reloc(p, *data0, *data1, buf_sizes); + r = radeon_uvd_cs_reloc(p, *data0, *data1, + buf_sizes, has_msg_cmd); if (r) return r; break; @@ -488,6 +526,9 @@ int radeon_uvd_cs_parse(struct radeon_cs_parser *p) struct radeon_cs_packet pkt; int r, data0 = 0, data1 = 0; + /* does the IB has a msg command */ + bool has_msg_cmd = false; + /* minimum buffer sizes */ unsigned buf_sizes[] = { [0x00000000] = 2048, @@ -514,8 +555,8 @@ int radeon_uvd_cs_parse(struct radeon_cs_parser *p) return r; switch (pkt.type) { case RADEON_PACKET_TYPE0: - r = radeon_uvd_cs_reg(p, &pkt, &data0, - &data1, buf_sizes); + r = radeon_uvd_cs_reg(p, &pkt, &data0, &data1, + buf_sizes, &has_msg_cmd); if (r) return r; break; @@ -527,6 +568,12 @@ int radeon_uvd_cs_parse(struct radeon_cs_parser *p) return -EINVAL; } } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw); + + if (!has_msg_cmd) { + DRM_ERROR("UVD-IBs need a msg command!\n"); + return -EINVAL; + } + return 0; } diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c index 363018c..bdd888b 100644 --- a/drivers/gpu/drm/radeon/rv6xx_dpm.c +++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c @@ -1944,9 +1944,7 @@ static int rv6xx_parse_power_table(struct radeon_device *rdev) int rv6xx_dpm_init(struct radeon_device *rdev) { - int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); - uint16_t data_offset, size; - uint8_t frev, crev; + struct radeon_atom_ss ss; struct atom_clock_dividers dividers; struct rv6xx_power_info *pi; int ret; @@ -1989,16 +1987,18 @@ int rv6xx_dpm_init(struct radeon_device *rdev) pi->gfx_clock_gating = true; - if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size, - &frev, &crev, &data_offset)) { - pi->sclk_ss = true; - pi->mclk_ss = true; + pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss, + ASIC_INTERNAL_ENGINE_SS, 0); + pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss, + ASIC_INTERNAL_MEMORY_SS, 0); + + /* Disable sclk ss, causes hangs on a lot of systems */ + pi->sclk_ss = false; + + if (pi->sclk_ss || pi->mclk_ss) pi->dynamic_ss = true; - } else { - pi->sclk_ss = false; - pi->mclk_ss = false; + else pi->dynamic_ss = false; - } pi->dynamic_pcie_gen2 = true; diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 30ea14e..bcc68ec 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -813,7 +813,7 @@ int rv770_uvd_resume(struct radeon_device *rdev) /* programm the VCPU memory controller bits 0-27 */ addr = rdev->uvd.gpu_addr >> 3; - size = RADEON_GPU_PAGE_ALIGN(rdev->uvd.fw_size + 4) >> 3; + size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3; WREG32(UVD_VCPU_CACHE_OFFSET0, addr); WREG32(UVD_VCPU_CACHE_SIZE0, size); @@ -1829,6 +1829,8 @@ static int rv770_startup(struct radeon_device *rdev) /* enable pcie gen2 link */ rv770_pcie_gen2_enable(rdev); + rv770_mc_program(rdev); + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = r600_init_microcode(rdev); if (r) { @@ -1841,7 +1843,6 @@ static int rv770_startup(struct radeon_device *rdev) if (r) return r; - rv770_mc_program(rdev); if (rdev->flags & RADEON_IS_AGP) { rv770_agp_enable(rdev); } else { @@ -1983,6 +1984,7 @@ int rv770_resume(struct radeon_device *rdev) int rv770_suspend(struct radeon_device *rdev) { r600_audio_fini(rdev); + r600_uvd_stop(rdev); radeon_uvd_suspend(rdev); r700_cp_stop(rdev); r600_dma_stop(rdev); @@ -2098,6 +2100,7 @@ void rv770_fini(struct radeon_device *rdev) radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); rv770_pcie_gart_fini(rdev); + r600_uvd_stop(rdev); radeon_uvd_fini(rdev); r600_vram_scratch_fini(rdev); radeon_gem_fini(rdev); diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index 2d34792..094c67a 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -2319,12 +2319,25 @@ int rv7xx_parse_power_table(struct radeon_device *rdev) return 0; } +void rv770_get_engine_memory_ss(struct radeon_device *rdev) +{ + struct rv7xx_power_info *pi = rv770_get_pi(rdev); + struct radeon_atom_ss ss; + + pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss, + ASIC_INTERNAL_ENGINE_SS, 0); + pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss, + ASIC_INTERNAL_MEMORY_SS, 0); + + if (pi->sclk_ss || pi->mclk_ss) + pi->dynamic_ss = true; + else + pi->dynamic_ss = false; +} + int rv770_dpm_init(struct radeon_device *rdev) { struct rv7xx_power_info *pi; - int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); - uint16_t data_offset, size; - uint8_t frev, crev; struct atom_clock_dividers dividers; int ret; @@ -2369,16 +2382,7 @@ int rv770_dpm_init(struct radeon_device *rdev) pi->mvdd_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0); - if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size, - &frev, &crev, &data_offset)) { - pi->sclk_ss = true; - pi->mclk_ss = true; - pi->dynamic_ss = true; - } else { - pi->sclk_ss = false; - pi->mclk_ss = false; - pi->dynamic_ss = false; - } + rv770_get_engine_memory_ss(rdev); pi->asi = RV770_ASI_DFLT; pi->pasi = RV770_HASI_DFLT; @@ -2393,8 +2397,7 @@ int rv770_dpm_init(struct radeon_device *rdev) pi->dynamic_pcie_gen2 = true; - if (pi->gfx_clock_gating && - (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)) + if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE) pi->thermal_protection = true; else pi->thermal_protection = false; diff --git a/drivers/gpu/drm/radeon/rv770_dpm.h b/drivers/gpu/drm/radeon/rv770_dpm.h index 96b1b2a..9244eff 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.h +++ b/drivers/gpu/drm/radeon/rv770_dpm.h @@ -275,6 +275,7 @@ void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev, void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev, struct radeon_ps *new_ps, struct radeon_ps *old_ps); +void rv770_get_engine_memory_ss(struct radeon_device *rdev); /* smc */ int rv770_read_smc_soft_register(struct radeon_device *rdev, diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index d325280..daa8d2d 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -1663,9 +1663,13 @@ static int si_init_microcode(struct radeon_device *rdev) snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name); err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); - if (err) - goto out; - if (rdev->smc_fw->size != smc_req_size) { + if (err) { + printk(KERN_ERR + "smc: error loading firmware \"%s\"\n", + fw_name); + release_firmware(rdev->smc_fw); + rdev->smc_fw = NULL; + } else if (rdev->smc_fw->size != smc_req_size) { printk(KERN_ERR "si_smc: Bogus length %zu in firmware \"%s\"\n", rdev->smc_fw->size, fw_name); @@ -5215,14 +5219,12 @@ static void si_enable_mc_ls(struct radeon_device *rdev, static void si_init_cg(struct radeon_device *rdev) { - bool has_uvd = true; - si_enable_mgcg(rdev, true); - si_enable_cgcg(rdev, true); + si_enable_cgcg(rdev, false); /* disable MC LS on Tahiti */ if (rdev->family == CHIP_TAHITI) si_enable_mc_ls(rdev, false); - if (has_uvd) { + if (rdev->has_uvd) { si_enable_uvd_mgcg(rdev, true); si_init_uvd_internal_cg(rdev); } @@ -5230,9 +5232,7 @@ static void si_init_cg(struct radeon_device *rdev) static void si_fini_cg(struct radeon_device *rdev) { - bool has_uvd = true; - - if (has_uvd) + if (rdev->has_uvd) si_enable_uvd_mgcg(rdev, false); si_enable_cgcg(rdev, false); si_enable_mgcg(rdev, false); @@ -5241,11 +5241,11 @@ static void si_fini_cg(struct radeon_device *rdev) static void si_init_pg(struct radeon_device *rdev) { bool has_pg = false; - +#if 0 /* only cape verde supports PG */ if (rdev->family == CHIP_VERDE) has_pg = true; - +#endif if (has_pg) { si_init_ao_cu_mask(rdev); si_init_dma_pg(rdev); @@ -6422,6 +6422,8 @@ static int si_startup(struct radeon_device *rdev) /* enable aspm */ si_program_aspm(rdev); + si_mc_program(rdev); + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw || !rdev->rlc_fw || !rdev->mc_fw) { r = si_init_microcode(rdev); @@ -6441,7 +6443,6 @@ static int si_startup(struct radeon_device *rdev) if (r) return r; - si_mc_program(rdev); r = si_pcie_gart_enable(rdev); if (r) return r; @@ -6625,7 +6626,7 @@ int si_suspend(struct radeon_device *rdev) si_cp_enable(rdev, false); cayman_dma_stop(rdev); if (rdev->has_uvd) { - r600_uvd_rbc_stop(rdev); + r600_uvd_stop(rdev); radeon_uvd_suspend(rdev); } si_irq_suspend(rdev); @@ -6767,8 +6768,10 @@ void si_fini(struct radeon_device *rdev) radeon_vm_manager_fini(rdev); radeon_ib_pool_fini(rdev); radeon_irq_kms_fini(rdev); - if (rdev->has_uvd) + if (rdev->has_uvd) { + r600_uvd_stop(rdev); radeon_uvd_fini(rdev); + } si_pcie_gart_fini(rdev); r600_vram_scratch_fini(rdev); radeon_gem_fini(rdev); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 73aaa2e..88699e3 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -37,8 +37,6 @@ #define SMC_RAM_END 0x20000 -#define DDR3_DRAM_ROWS 0x2000 - #define SCLK_MIN_DEEPSLEEP_FREQ 1350 static const struct si_cac_config_reg cac_weights_tahiti[] = @@ -1767,8 +1765,9 @@ static void si_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coe { s64 kt, kv, leakage_w, i_leakage, vddc; s64 temperature, t_slope, t_intercept, av, bv, t_ref; + s64 tmp; - i_leakage = drm_int2fixp(ileakage / 100); + i_leakage = div64_s64(drm_int2fixp(ileakage), 100); vddc = div64_s64(drm_int2fixp(v), 1000); temperature = div64_s64(drm_int2fixp(t), 1000); @@ -1778,8 +1777,9 @@ static void si_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coe bv = div64_s64(drm_int2fixp(coeff->bv), 100000000); t_ref = drm_int2fixp(coeff->t_ref); - kt = drm_fixp_div(drm_fixp_exp(drm_fixp_mul(drm_fixp_mul(t_slope, vddc) + t_intercept, temperature)), - drm_fixp_exp(drm_fixp_mul(drm_fixp_mul(t_slope, vddc) + t_intercept, t_ref))); + tmp = drm_fixp_mul(t_slope, vddc) + t_intercept; + kt = drm_fixp_exp(drm_fixp_mul(tmp, temperature)); + kt = drm_fixp_div(kt, drm_fixp_exp(drm_fixp_mul(tmp, t_ref))); kv = drm_fixp_mul(av, drm_fixp_exp(drm_fixp_mul(bv, vddc))); leakage_w = drm_fixp_mul(drm_fixp_mul(drm_fixp_mul(i_leakage, kt), kv), vddc); @@ -1931,6 +1931,7 @@ static void si_initialize_powertune_defaults(struct radeon_device *rdev) si_pi->cac_override = cac_override_pitcairn; si_pi->powertune_data = &powertune_data_pitcairn; si_pi->dte_data = dte_data_pitcairn; + break; } } else if (rdev->family == CHIP_VERDE) { si_pi->lcac_config = lcac_cape_verde; @@ -1941,6 +1942,7 @@ static void si_initialize_powertune_defaults(struct radeon_device *rdev) case 0x683B: case 0x683F: case 0x6829: + case 0x6835: si_pi->cac_weights = cac_weights_cape_verde_pro; si_pi->dte_data = dte_data_cape_verde; break; @@ -2901,7 +2903,8 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, { struct ni_ps *ps = ni_get_ps(rps); struct radeon_clock_and_voltage_limits *max_limits; - bool disable_mclk_switching; + bool disable_mclk_switching = false; + bool disable_sclk_switching = false; u32 mclk, sclk; u16 vddc, vddci; int i; @@ -2909,8 +2912,11 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, if ((rdev->pm.dpm.new_active_crtc_count > 1) || ni_dpm_vblank_too_short(rdev)) disable_mclk_switching = true; - else - disable_mclk_switching = false; + + if (rps->vclk || rps->dclk) { + disable_mclk_switching = true; + disable_sclk_switching = true; + } if (rdev->pm.dpm.ac_power) max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac; @@ -2938,27 +2944,43 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, if (disable_mclk_switching) { mclk = ps->performance_levels[ps->performance_level_count - 1].mclk; - sclk = ps->performance_levels[0].sclk; - vddc = ps->performance_levels[0].vddc; vddci = ps->performance_levels[ps->performance_level_count - 1].vddci; } else { - sclk = ps->performance_levels[0].sclk; mclk = ps->performance_levels[0].mclk; - vddc = ps->performance_levels[0].vddc; vddci = ps->performance_levels[0].vddci; } + if (disable_sclk_switching) { + sclk = ps->performance_levels[ps->performance_level_count - 1].sclk; + vddc = ps->performance_levels[ps->performance_level_count - 1].vddc; + } else { + sclk = ps->performance_levels[0].sclk; + vddc = ps->performance_levels[0].vddc; + } + /* adjusted low state */ ps->performance_levels[0].sclk = sclk; ps->performance_levels[0].mclk = mclk; ps->performance_levels[0].vddc = vddc; ps->performance_levels[0].vddci = vddci; - for (i = 1; i < ps->performance_level_count; i++) { - if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk) - ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk; - if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc) - ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc; + if (disable_sclk_switching) { + sclk = ps->performance_levels[0].sclk; + for (i = 1; i < ps->performance_level_count; i++) { + if (sclk < ps->performance_levels[i].sclk) + sclk = ps->performance_levels[i].sclk; + } + for (i = 0; i < ps->performance_level_count; i++) { + ps->performance_levels[i].sclk = sclk; + ps->performance_levels[i].vddc = vddc; + } + } else { + for (i = 1; i < ps->performance_level_count; i++) { + if (ps->performance_levels[i].sclk < ps->performance_levels[i - 1].sclk) + ps->performance_levels[i].sclk = ps->performance_levels[i - 1].sclk; + if (ps->performance_levels[i].vddc < ps->performance_levels[i - 1].vddc) + ps->performance_levels[i].vddc = ps->performance_levels[i - 1].vddc; + } } if (disable_mclk_switching) { @@ -3237,10 +3259,10 @@ int si_dpm_force_performance_level(struct radeon_device *rdev, { struct radeon_ps *rps = rdev->pm.dpm.current_ps; struct ni_ps *ps = ni_get_ps(rps); - u32 levels; + u32 levels = ps->performance_level_count; if (level == RADEON_DPM_FORCED_LEVEL_HIGH) { - if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK) + if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, levels) != PPSMC_Result_OK) return -EINVAL; if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 1) != PPSMC_Result_OK) @@ -3249,14 +3271,13 @@ int si_dpm_force_performance_level(struct radeon_device *rdev, if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK) return -EINVAL; - levels = ps->performance_level_count - 1; - if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, levels) != PPSMC_Result_OK) + if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 1) != PPSMC_Result_OK) return -EINVAL; } else if (level == RADEON_DPM_FORCED_LEVEL_AUTO) { if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetForcedLevels, 0) != PPSMC_Result_OK) return -EINVAL; - if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK) + if (si_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, levels) != PPSMC_Result_OK) return -EINVAL; } @@ -3620,8 +3641,12 @@ static void si_enable_display_gap(struct radeon_device *rdev) { u32 tmp = RREG32(CG_DISPLAY_GAP_CNTL); + tmp &= ~(DISP1_GAP_MASK | DISP2_GAP_MASK); + tmp |= (DISP1_GAP(R600_PM_DISPLAY_GAP_IGNORE) | + DISP2_GAP(R600_PM_DISPLAY_GAP_IGNORE)); + tmp &= ~(DISP1_GAP_MCHG_MASK | DISP2_GAP_MCHG_MASK); - tmp |= (DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE) | + tmp |= (DISP1_GAP_MCHG(R600_PM_DISPLAY_GAP_VBLANK) | DISP2_GAP_MCHG(R600_PM_DISPLAY_GAP_IGNORE)); WREG32(CG_DISPLAY_GAP_CNTL, tmp); } @@ -4036,16 +4061,15 @@ static int si_force_switch_to_arb_f0(struct radeon_device *rdev) static u32 si_calculate_memory_refresh_rate(struct radeon_device *rdev, u32 engine_clock) { - struct rv7xx_power_info *pi = rv770_get_pi(rdev); u32 dram_rows; u32 dram_refresh_rate; u32 mc_arb_rfsh_rate; u32 tmp = (RREG32(MC_ARB_RAMCFG) & NOOFROWS_MASK) >> NOOFROWS_SHIFT; - if (pi->mem_gddr5) - dram_rows = 1 << (tmp + 10); + if (tmp >= 4) + dram_rows = 16384; else - dram_rows = DDR3_DRAM_ROWS; + dram_rows = 1 << (tmp + 10); dram_refresh_rate = 1 << ((RREG32(MC_SEQ_MISC0) & 0x3) + 3); mc_arb_rfsh_rate = ((engine_clock * 10) * dram_refresh_rate / dram_rows - 32) / 64; @@ -6013,16 +6037,11 @@ int si_dpm_set_power_state(struct radeon_device *rdev) return ret; } -#if 0 - /* XXX */ ret = si_dpm_force_performance_level(rdev, RADEON_DPM_FORCED_LEVEL_AUTO); if (ret) { DRM_ERROR("si_dpm_force_performance_level failed\n"); return ret; } -#else - rdev->pm.dpm.forced_level = RADEON_DPM_FORCED_LEVEL_AUTO; -#endif return 0; } @@ -6254,9 +6273,6 @@ int si_dpm_init(struct radeon_device *rdev) struct evergreen_power_info *eg_pi; struct ni_power_info *ni_pi; struct si_power_info *si_pi; - int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info); - u16 data_offset, size; - u8 frev, crev; struct atom_clock_dividers dividers; int ret; u32 mask; @@ -6347,16 +6363,7 @@ int si_dpm_init(struct radeon_device *rdev) si_pi->vddc_phase_shed_control = radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, VOLTAGE_OBJ_PHASE_LUT); - if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size, - &frev, &crev, &data_offset)) { - pi->sclk_ss = true; - pi->mclk_ss = true; - pi->dynamic_ss = true; - } else { - pi->sclk_ss = false; - pi->mclk_ss = false; - pi->dynamic_ss = true; - } + rv770_get_engine_memory_ss(rdev); pi->asi = RV770_ASI_DFLT; pi->pasi = CYPRESS_HASI_DFLT; @@ -6367,8 +6374,7 @@ int si_dpm_init(struct radeon_device *rdev) eg_pi->sclk_deep_sleep = true; si_pi->sclk_deep_sleep_above_low = false; - if (pi->gfx_clock_gating && - (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)) + if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE) pi->thermal_protection = true; else pi->thermal_protection = false; diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index 5207591a..cd33084 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -192,6 +192,7 @@ static struct hid_ll_driver logi_dj_ll_driver; static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf, size_t count, unsigned char report_type); +static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev); static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev, struct dj_report *dj_report) @@ -232,6 +233,7 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev, if (dj_report->report_params[DEVICE_PAIRED_PARAM_SPFUNCTION] & SPFUNCTION_DEVICE_LIST_EMPTY) { dbg_hid("%s: device list is empty\n", __func__); + djrcv_dev->querying_devices = false; return; } @@ -242,6 +244,12 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev, return; } + if (djrcv_dev->paired_dj_devices[dj_report->device_index]) { + /* The device is already known. No need to reallocate it. */ + dbg_hid("%s: device is already known\n", __func__); + return; + } + dj_hiddev = hid_allocate_device(); if (IS_ERR(dj_hiddev)) { dev_err(&djrcv_hdev->dev, "%s: hid_allocate_device failed\n", @@ -305,6 +313,7 @@ static void delayedwork_callback(struct work_struct *work) struct dj_report dj_report; unsigned long flags; int count; + int retval; dbg_hid("%s\n", __func__); @@ -337,6 +346,25 @@ static void delayedwork_callback(struct work_struct *work) logi_dj_recv_destroy_djhid_device(djrcv_dev, &dj_report); break; default: + /* A normal report (i. e. not belonging to a pair/unpair notification) + * arriving here, means that the report arrived but we did not have a + * paired dj_device associated to the report's device_index, this + * means that the original "device paired" notification corresponding + * to this dj_device never arrived to this driver. The reason is that + * hid-core discards all packets coming from a device while probe() is + * executing. */ + if (!djrcv_dev->paired_dj_devices[dj_report.device_index]) { + /* ok, we don't know the device, just re-ask the + * receiver for the list of connected devices. */ + retval = logi_dj_recv_query_paired_devices(djrcv_dev); + if (!retval) { + /* everything went fine, so just leave */ + break; + } + dev_err(&djrcv_dev->hdev->dev, + "%s:logi_dj_recv_query_paired_devices " + "error:%d\n", __func__, retval); + } dbg_hid("%s: unexpected report type\n", __func__); } } @@ -367,6 +395,12 @@ static void logi_dj_recv_forward_null_report(struct dj_receiver_dev *djrcv_dev, if (!djdev) { dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]" " is NULL, index %d\n", dj_report->device_index); + kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report)); + + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was already " + "queued\n", __func__); + } return; } @@ -397,6 +431,12 @@ static void logi_dj_recv_forward_report(struct dj_receiver_dev *djrcv_dev, if (dj_device == NULL) { dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]" " is NULL, index %d\n", dj_report->device_index); + kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report)); + + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was already " + "queued\n", __func__); + } return; } @@ -444,6 +484,10 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) struct dj_report *dj_report; int retval; + /* no need to protect djrcv_dev->querying_devices */ + if (djrcv_dev->querying_devices) + return 0; + dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL); if (!dj_report) return -ENOMEM; @@ -455,6 +499,7 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) return retval; } + static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev, unsigned timeout) { diff --git a/drivers/hid/hid-logitech-dj.h b/drivers/hid/hid-logitech-dj.h index fd28a5e..4a40003 100644 --- a/drivers/hid/hid-logitech-dj.h +++ b/drivers/hid/hid-logitech-dj.h @@ -101,6 +101,7 @@ struct dj_receiver_dev { struct work_struct work; struct kfifo notif_fifo; spinlock_t lock; + bool querying_devices; }; struct dj_device { diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index ecbc749..87fbe292 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -369,7 +369,8 @@ static int sony_mapping(struct hid_device *hdev, struct hid_input *hi, if (sc->quirks & PS3REMOTE) return ps3remote_mapping(hdev, hi, field, usage, bit, max); - return -1; + /* Let hid-core decide for the others */ + return 0; } /* diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index a745163..6f1feb2 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -518,7 +518,6 @@ int hidraw_connect(struct hid_device *hid) goto out; } - mutex_unlock(&minors_lock); init_waitqueue_head(&dev->wait); INIT_LIST_HEAD(&dev->list); @@ -528,6 +527,7 @@ int hidraw_connect(struct hid_device *hid) dev->exist = 1; hid->hidraw = dev; + mutex_unlock(&minors_lock); out: return result; diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 0f34bca..6099f50 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -215,7 +215,7 @@ static inline int adt7470_write_word_data(struct i2c_client *client, u8 reg, u16 value) { return i2c_smbus_write_byte_data(client, reg, value & 0xFF) - && i2c_smbus_write_byte_data(client, reg + 1, value >> 8); + || i2c_smbus_write_byte_data(client, reg + 1, value >> 8); } static void adt7470_init_client(struct i2c_client *client) diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c index 328fb03..a41b5f3 100644 --- a/drivers/hwmon/max6697.c +++ b/drivers/hwmon/max6697.c @@ -605,12 +605,12 @@ static int max6697_init_chip(struct i2c_client *client) if (ret < 0) return ret; ret = i2c_smbus_write_byte_data(client, MAX6581_REG_IDEALITY, - pdata->ideality_mask >> 1); + pdata->ideality_value); if (ret < 0) return ret; ret = i2c_smbus_write_byte_data(client, MAX6581_REG_IDEALITY_SELECT, - pdata->ideality_value); + pdata->ideality_mask >> 1); if (ret < 0) return ret; } diff --git a/drivers/i2c/busses/i2c-kempld.c b/drivers/i2c/busses/i2c-kempld.c index ccec916..af8f65f 100644 --- a/drivers/i2c/busses/i2c-kempld.c +++ b/drivers/i2c/busses/i2c-kempld.c @@ -246,9 +246,9 @@ static void kempld_i2c_device_init(struct kempld_i2c_data *i2c) bus_frequency = KEMPLD_I2C_FREQ_MAX; if (pld->info.spec_major == 1) - prescale = pld->pld_clock / bus_frequency * 5 - 1000; + prescale = pld->pld_clock / (bus_frequency * 5) - 1000; else - prescale = pld->pld_clock / bus_frequency * 4 - 3000; + prescale = pld->pld_clock / (bus_frequency * 4) - 3000; if (prescale < 0) prescale = 0; diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index df8ff5a..e2e9a0d 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -493,7 +493,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, * based on this empirical measurement and a lot of previous frobbing. */ i2c->cmd_err = 0; - if (msg->len < 8) { + if (0) { /* disable PIO mode until a proper fix is made */ ret = mxs_i2c_pio_setup_xfer(adap, msg, flags); if (ret) mxs_i2c_reset(i2c); diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index 0ad208a..3ceac3e 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -60,7 +60,6 @@ static void tiadc_step_config(struct tiadc_device *adc_dev) { unsigned int stepconfig; int i, steps; - u32 step_en; /* * There are 16 configurable steps and 8 analog input @@ -86,8 +85,7 @@ static void tiadc_step_config(struct tiadc_device *adc_dev) adc_dev->channel_step[i] = steps; steps++; } - step_en = get_adc_step_mask(adc_dev); - am335x_tsc_se_set(adc_dev->mfd_tscadc, step_en); + } static const char * const chan_name_ain[] = { @@ -142,10 +140,22 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { struct tiadc_device *adc_dev = iio_priv(indio_dev); - int i; - unsigned int fifo1count, read; + int i, map_val; + unsigned int fifo1count, read, stepid; u32 step = UINT_MAX; bool found = false; + u32 step_en; + unsigned long timeout = jiffies + usecs_to_jiffies + (IDLE_TIMEOUT * adc_dev->channels); + step_en = get_adc_step_mask(adc_dev); + am335x_tsc_se_set(adc_dev->mfd_tscadc, step_en); + + /* Wait for ADC sequencer to complete sampling */ + while (tiadc_readl(adc_dev, REG_ADCFSM) & SEQ_STATUS) { + if (time_after(jiffies, timeout)) + return -EAGAIN; + } + map_val = chan->channel + TOTAL_CHANNELS; /* * When the sub-system is first enabled, @@ -170,12 +180,16 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT); for (i = 0; i < fifo1count; i++) { read = tiadc_readl(adc_dev, REG_FIFO1); - if (read >> 16 == step) { - *val = read & 0xfff; + stepid = read & FIFOREAD_CHNLID_MASK; + stepid = stepid >> 0x10; + + if (stepid == map_val) { + read = read & FIFOREAD_DATA_MASK; found = true; + *val = read; } } - am335x_tsc_se_update(adc_dev->mfd_tscadc); + if (found == false) return -EBUSY; return IIO_VAL_INT; diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index ea8a414..0dd9bb8 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -127,12 +127,17 @@ static struct iio_trigger *iio_trigger_find_by_name(const char *name, void iio_trigger_poll(struct iio_trigger *trig, s64 time) { int i; - if (!trig->use_count) - for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) - if (trig->subirqs[i].enabled) { - trig->use_count++; + + if (!atomic_read(&trig->use_count)) { + atomic_set(&trig->use_count, CONFIG_IIO_CONSUMERS_PER_TRIGGER); + + for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) { + if (trig->subirqs[i].enabled) generic_handle_irq(trig->subirq_base + i); - } + else + iio_trigger_notify_done(trig); + } + } } EXPORT_SYMBOL(iio_trigger_poll); @@ -146,19 +151,24 @@ EXPORT_SYMBOL(iio_trigger_generic_data_rdy_poll); void iio_trigger_poll_chained(struct iio_trigger *trig, s64 time) { int i; - if (!trig->use_count) - for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) - if (trig->subirqs[i].enabled) { - trig->use_count++; + + if (!atomic_read(&trig->use_count)) { + atomic_set(&trig->use_count, CONFIG_IIO_CONSUMERS_PER_TRIGGER); + + for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) { + if (trig->subirqs[i].enabled) handle_nested_irq(trig->subirq_base + i); - } + else + iio_trigger_notify_done(trig); + } + } } EXPORT_SYMBOL(iio_trigger_poll_chained); void iio_trigger_notify_done(struct iio_trigger *trig) { - trig->use_count--; - if (trig->use_count == 0 && trig->ops && trig->ops->try_reenable) + if (atomic_dec_and_test(&trig->use_count) && trig->ops && + trig->ops->try_reenable) if (trig->ops->try_reenable(trig)) /* Missed an interrupt so launch new poll now */ iio_trigger_poll(trig, 0); diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index f1c279f..7c0f953 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -423,7 +423,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) struct sockaddr_ib *addr; union ib_gid gid, sgid, *dgid; u16 pkey, index; - u8 port, p; + u8 p; int i; cma_dev = NULL; @@ -443,7 +443,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) if (!memcmp(&gid, dgid, sizeof(gid))) { cma_dev = cur_dev; sgid = gid; - port = p; + id_priv->id.port_num = p; goto found; } @@ -451,7 +451,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) dgid->global.subnet_prefix)) { cma_dev = cur_dev; sgid = gid; - port = p; + id_priv->id.port_num = p; } } } @@ -462,7 +462,6 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) found: cma_attach_to_dev(id_priv, cma_dev); - id_priv->id.port_num = port; addr = (struct sockaddr_ib *) cma_src_addr(id_priv); memcpy(&addr->sib_addr, &sgid, sizeof sgid); cma_translate_ib(addr, &id_priv->id.route.addr.dev_addr); @@ -880,7 +879,8 @@ static int cma_save_net_info(struct rdma_cm_id *id, struct rdma_cm_id *listen_id { struct cma_hdr *hdr; - if (listen_id->route.addr.src_addr.ss_family == AF_IB) { + if ((listen_id->route.addr.src_addr.ss_family == AF_IB) && + (ib_event->event == IB_CM_REQ_RECEIVED)) { cma_save_ib_info(id, listen_id, ib_event->param.req_rcvd.primary_path); return 0; } @@ -2677,29 +2677,32 @@ static int cma_resolve_ib_udp(struct rdma_id_private *id_priv, { struct ib_cm_sidr_req_param req; struct ib_cm_id *id; + void *private_data; int offset, ret; + memset(&req, 0, sizeof req); offset = cma_user_data_offset(id_priv); req.private_data_len = offset + conn_param->private_data_len; if (req.private_data_len < conn_param->private_data_len) return -EINVAL; if (req.private_data_len) { - req.private_data = kzalloc(req.private_data_len, GFP_ATOMIC); - if (!req.private_data) + private_data = kzalloc(req.private_data_len, GFP_ATOMIC); + if (!private_data) return -ENOMEM; } else { - req.private_data = NULL; + private_data = NULL; } if (conn_param->private_data && conn_param->private_data_len) - memcpy((void *) req.private_data + offset, - conn_param->private_data, conn_param->private_data_len); + memcpy(private_data + offset, conn_param->private_data, + conn_param->private_data_len); - if (req.private_data) { - ret = cma_format_hdr((void *) req.private_data, id_priv); + if (private_data) { + ret = cma_format_hdr(private_data, id_priv); if (ret) goto out; + req.private_data = private_data; } id = ib_create_cm_id(id_priv->id.device, cma_sidr_rep_handler, @@ -2721,7 +2724,7 @@ static int cma_resolve_ib_udp(struct rdma_id_private *id_priv, id_priv->cm_id.ib = NULL; } out: - kfree(req.private_data); + kfree(private_data); return ret; } diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index dc3fd1e..4c837e6 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -2663,6 +2663,7 @@ static int ib_mad_port_start(struct ib_mad_port_private *port_priv) int ret, i; struct ib_qp_attr *attr; struct ib_qp *qp; + u16 pkey_index; attr = kmalloc(sizeof *attr, GFP_KERNEL); if (!attr) { @@ -2670,6 +2671,11 @@ static int ib_mad_port_start(struct ib_mad_port_private *port_priv) return -ENOMEM; } + ret = ib_find_pkey(port_priv->device, port_priv->port_num, + IB_DEFAULT_PKEY_FULL, &pkey_index); + if (ret) + pkey_index = 0; + for (i = 0; i < IB_MAD_QPS_CORE; i++) { qp = port_priv->qp_info[i].qp; if (!qp) @@ -2680,7 +2686,7 @@ static int ib_mad_port_start(struct ib_mad_port_private *port_priv) * one is needed for the Reset to Init transition */ attr->qp_state = IB_QPS_INIT; - attr->pkey_index = 0; + attr->pkey_index = pkey_index; attr->qkey = (qp->qp_num == 0) ? 0 : IB_QP1_QKEY; ret = ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX | IB_QP_QKEY); diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index e87f220..d228383 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -226,6 +226,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve mm->len = PAGE_ALIGN(((1UL << uresp.size_log2) + 1) * sizeof(struct t3_cqe)); uresp.memsize = mm->len; + uresp.reserved = 0; resplen = sizeof uresp; } if (ib_copy_to_udata(udata, &uresp, resplen)) { diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 2320404..a4975e1 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -1657,6 +1657,8 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs, if (mm5) { uresp.ma_sync_key = ucontext->key; ucontext->key += PAGE_SIZE; + } else { + uresp.ma_sync_key = 0; } uresp.sq_key = ucontext->key; ucontext->key += PAGE_SIZE; diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 4d599ce..f2a3f48 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -1511,8 +1511,14 @@ static int create_pv_sqp(struct mlx4_ib_demux_pv_ctx *ctx, memset(&attr, 0, sizeof attr); attr.qp_state = IB_QPS_INIT; - attr.pkey_index = - to_mdev(ctx->ib_dev)->pkeys.virt2phys_pkey[ctx->slave][ctx->port - 1][0]; + ret = 0; + if (create_tun) + ret = find_slave_port_pkey_ix(to_mdev(ctx->ib_dev), ctx->slave, + ctx->port, IB_DEFAULT_PKEY_FULL, + &attr.pkey_index); + if (ret || !create_tun) + attr.pkey_index = + to_mdev(ctx->ib_dev)->pkeys.virt2phys_pkey[ctx->slave][ctx->port - 1][0]; attr.qkey = IB_QP1_QKEY; attr.port_num = ctx->port; ret = ib_modify_qp(tun_qp->qp, &attr, qp_attr_mask_INIT); diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 8000fff..3f831de 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -619,7 +619,8 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, resp.tot_uuars = req.total_num_uuars; resp.num_ports = dev->mdev.caps.num_ports; - err = ib_copy_to_udata(udata, &resp, sizeof(resp)); + err = ib_copy_to_udata(udata, &resp, + sizeof(resp) - sizeof(resp.reserved)); if (err) goto out_uars; @@ -1426,7 +1427,8 @@ static int init_one(struct pci_dev *pdev, if (err) goto err_eqs; - if (ib_register_device(&dev->ib_dev, NULL)) + err = ib_register_device(&dev->ib_dev, NULL); + if (err) goto err_rsrc; err = create_umr_res(dev); @@ -1434,8 +1436,9 @@ static int init_one(struct pci_dev *pdev, goto err_dev; for (i = 0; i < ARRAY_SIZE(mlx5_class_attributes); i++) { - if (device_create_file(&dev->ib_dev.dev, - mlx5_class_attributes[i])) + err = device_create_file(&dev->ib_dev.dev, + mlx5_class_attributes[i]); + if (err) goto err_umrc; } diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 16ac54c..045f8cdb 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -199,7 +199,7 @@ static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap, static int sq_overhead(enum ib_qp_type qp_type) { - int size; + int size = 0; switch (qp_type) { case IB_QPT_XRC_INI: diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 418004c..9020024 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -3570,10 +3570,10 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev, tcp_state = (aeq_info & NES_AEQE_TCP_STATE_MASK) >> NES_AEQE_TCP_STATE_SHIFT; iwarp_state = (aeq_info & NES_AEQE_IWARP_STATE_MASK) >> NES_AEQE_IWARP_STATE_SHIFT; nes_debug(NES_DBG_AEQ, "aeid = 0x%04X, qp-cq id = %d, aeqe = %p," - " Tcp state = %d, iWARP state = %d\n", + " Tcp state = %s, iWARP state = %s\n", async_event_id, le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]), aeqe, - tcp_state, iwarp_state); + nes_tcp_state_str[tcp_state], nes_iwarp_state_str[iwarp_state]); aeqe_cq_id = le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]); if (aeq_info & NES_AEQE_QP) { diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 8f67fe2e..5b53ca5 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1384,6 +1384,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, if (ibpd->uobject) { uresp.mmap_sq_db_index = nesqp->mmap_sq_db_index; + uresp.mmap_rq_db_index = 0; uresp.actual_sq_size = sq_size; uresp.actual_rq_size = rq_size; uresp.qp_id = nesqp->hwqp.qp_id; @@ -1767,7 +1768,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, resp.cq_id = nescq->hw_cq.cq_number; resp.cq_size = nescq->hw_cq.cq_size; resp.mmap_db_index = 0; - if (ib_copy_to_udata(udata, &resp, sizeof resp)) { + if (ib_copy_to_udata(udata, &resp, sizeof resp - sizeof resp.reserved)) { nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-EFAULT); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index a877a8e..f4c587c 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -29,7 +29,6 @@ #include <net/netevent.h> #include <rdma/ib_addr.h> -#include <rdma/ib_cache.h> #include "ocrdma.h" #include "ocrdma_verbs.h" diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index dcfbab1..f36630e 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -242,6 +242,7 @@ struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *ibdev, memset(ctx->ah_tbl.va, 0, map_len); ctx->ah_tbl.len = map_len; + memset(&resp, 0, sizeof(resp)); resp.ah_tbl_len = ctx->ah_tbl.len; resp.ah_tbl_page = ctx->ah_tbl.pa; @@ -253,7 +254,6 @@ struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *ibdev, resp.wqe_size = dev->attr.wqe_size; resp.rqe_size = dev->attr.rqe_size; resp.dpp_wqe_size = dev->attr.wqe_size; - resp.rsvd = 0; memcpy(resp.fw_ver, dev->attr.fw_ver, sizeof(resp.fw_ver)); status = ib_copy_to_udata(udata, &resp, sizeof(resp)); @@ -338,6 +338,7 @@ static int ocrdma_copy_pd_uresp(struct ocrdma_pd *pd, struct ocrdma_alloc_pd_uresp rsp; struct ocrdma_ucontext *uctx = get_ocrdma_ucontext(ib_ctx); + memset(&rsp, 0, sizeof(rsp)); rsp.id = pd->id; rsp.dpp_enabled = pd->dpp_enabled; db_page_addr = pd->dev->nic_info.unmapped_db + @@ -692,6 +693,7 @@ static int ocrdma_copy_cq_uresp(struct ocrdma_cq *cq, struct ib_udata *udata, struct ocrdma_ucontext *uctx; struct ocrdma_create_cq_uresp uresp; + memset(&uresp, 0, sizeof(uresp)); uresp.cq_id = cq->id; uresp.page_size = cq->len; uresp.num_pages = 1; @@ -1460,6 +1462,7 @@ static int ocrdma_copy_srq_uresp(struct ocrdma_srq *srq, struct ib_udata *udata) int status; struct ocrdma_create_srq_uresp uresp; + memset(&uresp, 0, sizeof(uresp)); uresp.rq_dbid = srq->rq.dbid; uresp.num_rq_pages = 1; uresp.rq_page_addr[0] = srq->rq.pa; diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 21e8b09..016e742 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -1596,6 +1596,8 @@ static void sdma_7322_p_errors(struct qib_pportdata *ppd, u64 errs) struct qib_devdata *dd = ppd->dd; errs &= QIB_E_P_SDMAERRS; + err_decode(ppd->cpspec->sdmamsgbuf, sizeof(ppd->cpspec->sdmamsgbuf), + errs, qib_7322p_error_msgs); if (errs & QIB_E_P_SDMAUNEXPDATA) qib_dev_err(dd, "IB%u:%u SDmaUnexpData\n", dd->unit, diff --git a/drivers/infiniband/hw/qib/qib_sdma.c b/drivers/infiniband/hw/qib/qib_sdma.c index 32162d3..9b5322d 100644 --- a/drivers/infiniband/hw/qib/qib_sdma.c +++ b/drivers/infiniband/hw/qib/qib_sdma.c @@ -717,7 +717,7 @@ void dump_sdma_state(struct qib_pportdata *ppd) struct qib_sdma_txreq *txp, *txpnext; __le64 *descqp; u64 desc[2]; - dma_addr_t addr; + u64 addr; u16 gen, dwlen, dwoffset; u16 head, tail, cnt; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 2cfa76f..196b1d1 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -932,12 +932,47 @@ int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port) return 0; } +/* + * Takes whatever value which is in pkey index 0 and updates priv->pkey + * returns 0 if the pkey value was changed. + */ +static inline int update_parent_pkey(struct ipoib_dev_priv *priv) +{ + int result; + u16 prev_pkey; + + prev_pkey = priv->pkey; + result = ib_query_pkey(priv->ca, priv->port, 0, &priv->pkey); + if (result) { + ipoib_warn(priv, "ib_query_pkey port %d failed (ret = %d)\n", + priv->port, result); + return result; + } + + priv->pkey |= 0x8000; + + if (prev_pkey != priv->pkey) { + ipoib_dbg(priv, "pkey changed from 0x%x to 0x%x\n", + prev_pkey, priv->pkey); + /* + * Update the pkey in the broadcast address, while making sure to set + * the full membership bit, so that we join the right broadcast group. + */ + priv->dev->broadcast[8] = priv->pkey >> 8; + priv->dev->broadcast[9] = priv->pkey & 0xff; + return 0; + } + + return 1; +} + static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, enum ipoib_flush_level level) { struct ipoib_dev_priv *cpriv; struct net_device *dev = priv->dev; u16 new_index; + int result; mutex_lock(&priv->vlan_mutex); @@ -951,6 +986,10 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, mutex_unlock(&priv->vlan_mutex); if (!test_bit(IPOIB_FLAG_INITIALIZED, &priv->flags)) { + /* for non-child devices must check/update the pkey value here */ + if (level == IPOIB_FLUSH_HEAVY && + !test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) + update_parent_pkey(priv); ipoib_dbg(priv, "Not flushing - IPOIB_FLAG_INITIALIZED not set.\n"); return; } @@ -961,21 +1000,32 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, } if (level == IPOIB_FLUSH_HEAVY) { - if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &new_index)) { - clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags); - ipoib_ib_dev_down(dev, 0); - ipoib_ib_dev_stop(dev, 0); - if (ipoib_pkey_dev_delay_open(dev)) + /* child devices chase their origin pkey value, while non-child + * (parent) devices should always takes what present in pkey index 0 + */ + if (test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) { + if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &new_index)) { + clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags); + ipoib_ib_dev_down(dev, 0); + ipoib_ib_dev_stop(dev, 0); + if (ipoib_pkey_dev_delay_open(dev)) + return; + } + /* restart QP only if P_Key index is changed */ + if (test_and_set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags) && + new_index == priv->pkey_index) { + ipoib_dbg(priv, "Not flushing - P_Key index not changed.\n"); return; + } + priv->pkey_index = new_index; + } else { + result = update_parent_pkey(priv); + /* restart QP only if P_Key value changed */ + if (result) { + ipoib_dbg(priv, "Not flushing - P_Key value not changed.\n"); + return; + } } - - /* restart QP only if P_Key index is changed */ - if (test_and_set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags) && - new_index == priv->pkey_index) { - ipoib_dbg(priv, "Not flushing - P_Key index not changed.\n"); - return; - } - priv->pkey_index = new_index; } if (level == IPOIB_FLUSH_LIGHT) { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index b6e049a..c6f71a8 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1461,7 +1461,7 @@ static ssize_t create_child(struct device *dev, if (sscanf(buf, "%i", &pkey) != 1) return -EINVAL; - if (pkey < 0 || pkey > 0xffff) + if (pkey <= 0 || pkey > 0xffff || pkey == 0x8000) return -EINVAL; /* diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c index 7468593..f81abe1 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c @@ -119,6 +119,15 @@ static int ipoib_new_child_link(struct net *src_net, struct net_device *dev, } else child_pkey = nla_get_u16(data[IFLA_IPOIB_PKEY]); + if (child_pkey == 0 || child_pkey == 0x8000) + return -EINVAL; + + /* + * Set the full membership bit, so that we join the right + * broadcast group, etc. + */ + child_pkey |= 0x8000; + err = __ipoib_vlan_add(ppriv, netdev_priv(dev), child_pkey, IPOIB_RTNL_CHILD); if (!err && data) diff --git a/drivers/macintosh/windfarm_rm31.c b/drivers/macintosh/windfarm_rm31.c index 0b9a79b..82fc86a 100644 --- a/drivers/macintosh/windfarm_rm31.c +++ b/drivers/macintosh/windfarm_rm31.c @@ -439,15 +439,15 @@ static void backside_setup_pid(void) /* Slots fan */ static const struct wf_pid_param slots_param = { - .interval = 5, - .history_len = 2, - .gd = 30 << 20, - .gp = 5 << 20, - .gr = 0, - .itarget = 40 << 16, - .additive = 1, - .min = 300, - .max = 4000, + .interval = 1, + .history_len = 20, + .gd = 0, + .gp = 0, + .gr = 0x00100000, + .itarget = 3200000, + .additive = 0, + .min = 20, + .max = 100, }; static void slots_fan_tick(void) diff --git a/drivers/media/i2c/ml86v7667.c b/drivers/media/i2c/ml86v7667.c index efdc873..a985702 100644 --- a/drivers/media/i2c/ml86v7667.c +++ b/drivers/media/i2c/ml86v7667.c @@ -117,7 +117,7 @@ static int ml86v7667_s_ctrl(struct v4l2_ctrl *ctrl) { struct v4l2_subdev *sd = to_sd(ctrl); struct i2c_client *client = v4l2_get_subdevdata(sd); - int ret; + int ret = -EINVAL; switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: @@ -157,7 +157,7 @@ static int ml86v7667_s_ctrl(struct v4l2_ctrl *ctrl) break; } - return 0; + return ret; } static int ml86v7667_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index df4ada88..bd9405d 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -1987,7 +1987,7 @@ MODULE_DEVICE_TABLE(platform, coda_platform_ids); #ifdef CONFIG_OF static const struct of_device_id coda_dt_ids[] = { - { .compatible = "fsl,imx27-vpu", .data = &coda_platform_ids[CODA_IMX27] }, + { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] }, { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] }, { /* sentinel */ } }; diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c index 553d87e..fd6289d 100644 --- a/drivers/media/platform/s5p-g2d/g2d.c +++ b/drivers/media/platform/s5p-g2d/g2d.c @@ -784,6 +784,7 @@ static int g2d_probe(struct platform_device *pdev) } *vfd = g2d_videodev; vfd->lock = &dev->mutex; + vfd->v4l2_dev = &dev->v4l2_dev; ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); if (ret) { v4l2_err(&dev->v4l2_dev, "Failed to register video device\n"); diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c index 5296385..4f6dd42 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -344,7 +344,7 @@ static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) pix_mp->num_planes = 2; /* Set pixelformat to the format in which MFC outputs the decoded frame */ - pix_mp->pixelformat = V4L2_PIX_FMT_NV12MT; + pix_mp->pixelformat = ctx->dst_fmt->fourcc; pix_mp->plane_fmt[0].bytesperline = ctx->buf_width; pix_mp->plane_fmt[0].sizeimage = ctx->luma_size; pix_mp->plane_fmt[1].bytesperline = ctx->buf_width; @@ -382,10 +382,16 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) mfc_err("Unsupported format for source.\n"); return -EINVAL; } - if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) { - mfc_err("Not supported format.\n"); + if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) { + mfc_err("Unknown codec\n"); return -EINVAL; } + if (!IS_MFCV6(dev)) { + if (fmt->fourcc == V4L2_PIX_FMT_VP8) { + mfc_err("Not supported format.\n"); + return -EINVAL; + } + } } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { fmt = find_format(f, MFC_FMT_RAW); if (!fmt) { @@ -411,7 +417,6 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) struct s5p_mfc_dev *dev = video_drvdata(file); struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); int ret = 0; - struct s5p_mfc_fmt *fmt; struct v4l2_pix_format_mplane *pix_mp; mfc_debug_enter(); @@ -425,54 +430,32 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) goto out; } if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { - fmt = find_format(f, MFC_FMT_RAW); - if (!fmt) { - mfc_err("Unsupported format for source.\n"); - return -EINVAL; - } - if (!IS_MFCV6(dev) && (fmt->fourcc != V4L2_PIX_FMT_NV12MT)) { - mfc_err("Not supported format.\n"); - return -EINVAL; - } else if (IS_MFCV6(dev) && - (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { - mfc_err("Not supported format.\n"); - return -EINVAL; - } - ctx->dst_fmt = fmt; - mfc_debug_leave(); - return ret; - } else if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { - mfc_err("Wrong type error for S_FMT : %d", f->type); - return -EINVAL; - } - fmt = find_format(f, MFC_FMT_DEC); - if (!fmt || fmt->codec_mode == S5P_MFC_CODEC_NONE) { - mfc_err("Unknown codec\n"); - ret = -EINVAL; + /* dst_fmt is validated by call to vidioc_try_fmt */ + ctx->dst_fmt = find_format(f, MFC_FMT_RAW); + ret = 0; goto out; - } - if (fmt->type != MFC_FMT_DEC) { - mfc_err("Wrong format selected, you should choose " - "format for decoding\n"); + } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + /* src_fmt is validated by call to vidioc_try_fmt */ + ctx->src_fmt = find_format(f, MFC_FMT_DEC); + ctx->codec_mode = ctx->src_fmt->codec_mode; + mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); + pix_mp->height = 0; + pix_mp->width = 0; + if (pix_mp->plane_fmt[0].sizeimage) + ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; + else + pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = + DEF_CPB_SIZE; + pix_mp->plane_fmt[0].bytesperline = 0; + ctx->state = MFCINST_INIT; + ret = 0; + goto out; + } else { + mfc_err("Wrong type error for S_FMT : %d", f->type); ret = -EINVAL; goto out; } - if (!IS_MFCV6(dev) && (fmt->fourcc == V4L2_PIX_FMT_VP8)) { - mfc_err("Not supported format.\n"); - return -EINVAL; - } - ctx->src_fmt = fmt; - ctx->codec_mode = fmt->codec_mode; - mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode); - pix_mp->height = 0; - pix_mp->width = 0; - if (pix_mp->plane_fmt[0].sizeimage) - ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage; - else - pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size = - DEF_CPB_SIZE; - pix_mp->plane_fmt[0].bytesperline = 0; - ctx->state = MFCINST_INIT; + out: mfc_debug_leave(); return ret; diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c index 2549967..59e56f4 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c @@ -906,6 +906,7 @@ static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f) static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) { + struct s5p_mfc_dev *dev = video_drvdata(file); struct s5p_mfc_fmt *fmt; struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; @@ -930,6 +931,18 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f) return -EINVAL; } + if (!IS_MFCV6(dev)) { + if (fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16) { + mfc_err("Not supported format.\n"); + return -EINVAL; + } + } else if (IS_MFCV6(dev)) { + if (fmt->fourcc == V4L2_PIX_FMT_NV12MT) { + mfc_err("Not supported format.\n"); + return -EINVAL; + } + } + if (fmt->num_planes != pix_fmt_mp->num_planes) { mfc_err("failed to try output format\n"); return -EINVAL; @@ -947,7 +960,6 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) { struct s5p_mfc_dev *dev = video_drvdata(file); struct s5p_mfc_ctx *ctx = fh_to_ctx(priv); - struct s5p_mfc_fmt *fmt; struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; int ret = 0; @@ -960,13 +972,9 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) goto out; } if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { - fmt = find_format(f, MFC_FMT_ENC); - if (!fmt) { - mfc_err("failed to set capture format\n"); - return -EINVAL; - } + /* dst_fmt is validated by call to vidioc_try_fmt */ + ctx->dst_fmt = find_format(f, MFC_FMT_ENC); ctx->state = MFCINST_INIT; - ctx->dst_fmt = fmt; ctx->codec_mode = ctx->dst_fmt->codec_mode; ctx->enc_dst_buf_size = pix_fmt_mp->plane_fmt[0].sizeimage; pix_fmt_mp->plane_fmt[0].bytesperline = 0; @@ -987,28 +995,8 @@ static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f) } mfc_debug(2, "Got instance number: %d\n", ctx->inst_no); } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { - fmt = find_format(f, MFC_FMT_RAW); - if (!fmt) { - mfc_err("failed to set output format\n"); - return -EINVAL; - } - - if (!IS_MFCV6(dev) && - (fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16)) { - mfc_err("Not supported format.\n"); - return -EINVAL; - } else if (IS_MFCV6(dev) && - (fmt->fourcc == V4L2_PIX_FMT_NV12MT)) { - mfc_err("Not supported format.\n"); - return -EINVAL; - } - - if (fmt->num_planes != pix_fmt_mp->num_planes) { - mfc_err("failed to set output format\n"); - ret = -EINVAL; - goto out; - } - ctx->src_fmt = fmt; + /* src_fmt is validated by call to vidioc_try_fmt */ + ctx->src_fmt = find_format(f, MFC_FMT_RAW); ctx->img_width = pix_fmt_mp->width; ctx->img_height = pix_fmt_mp->height; mfc_debug(2, "codec number: %d\n", ctx->src_fmt->codec_mode); diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c index 4851cc2..c4ff973 100644 --- a/drivers/media/usb/em28xx/em28xx-i2c.c +++ b/drivers/media/usb/em28xx/em28xx-i2c.c @@ -726,7 +726,7 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus, *eedata = data; *eedata_len = len; - dev_config = (void *)eedata; + dev_config = (void *)*eedata; switch (le16_to_cpu(dev_config->chip_conf) >> 4 & 0x3) { case 0: diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c index cb69405..6e50707 100644 --- a/drivers/media/usb/hdpvr/hdpvr-core.c +++ b/drivers/media/usb/hdpvr/hdpvr-core.c @@ -303,6 +303,11 @@ static int hdpvr_probe(struct usb_interface *interface, dev->workqueue = 0; + /* init video transfer queues first of all */ + /* to prevent oops in hdpvr_delete() on error paths */ + INIT_LIST_HEAD(&dev->free_buff_list); + INIT_LIST_HEAD(&dev->rec_buff_list); + /* register v4l2_device early so it can be used for printks */ if (v4l2_device_register(&interface->dev, &dev->v4l2_dev)) { dev_err(&interface->dev, "v4l2_device_register failed\n"); @@ -325,10 +330,6 @@ static int hdpvr_probe(struct usb_interface *interface, if (!dev->workqueue) goto error; - /* init video transfer queues */ - INIT_LIST_HEAD(&dev->free_buff_list); - INIT_LIST_HEAD(&dev->rec_buff_list); - dev->options = hdpvr_default_options; if (default_video_input < HDPVR_VIDEO_INPUTS) @@ -405,7 +406,7 @@ static int hdpvr_probe(struct usb_interface *interface, video_nr[atomic_inc_return(&dev_nr)]); if (retval < 0) { v4l2_err(&dev->v4l2_dev, "registering videodev failed\n"); - goto error; + goto reg_fail; } /* let the user know what node this device is now attached to */ diff --git a/drivers/media/usb/usbtv/Kconfig b/drivers/media/usb/usbtv/Kconfig index 8864436..7c5b860 100644 --- a/drivers/media/usb/usbtv/Kconfig +++ b/drivers/media/usb/usbtv/Kconfig @@ -1,6 +1,6 @@ config VIDEO_USBTV tristate "USBTV007 video capture support" - depends on VIDEO_DEV + depends on VIDEO_V4L2 select VIDEOBUF2_VMALLOC ---help--- diff --git a/drivers/media/usb/usbtv/usbtv.c b/drivers/media/usb/usbtv/usbtv.c index bf43f87..91650173 100644 --- a/drivers/media/usb/usbtv/usbtv.c +++ b/drivers/media/usb/usbtv/usbtv.c @@ -57,7 +57,7 @@ #define USBTV_CHUNK_SIZE 256 #define USBTV_CHUNK 240 #define USBTV_CHUNKS (USBTV_WIDTH * USBTV_HEIGHT \ - / 2 / USBTV_CHUNK) + / 4 / USBTV_CHUNK) /* Chunk header. */ #define USBTV_MAGIC_OK(chunk) ((be32_to_cpu(chunk[0]) & 0xff000000) \ @@ -89,6 +89,7 @@ struct usbtv { /* Number of currently processed frame, useful find * out when a new one begins. */ u32 frame_id; + int chunks_done; int iso_size; unsigned int sequence; @@ -202,6 +203,26 @@ static int usbtv_setup_capture(struct usbtv *usbtv) return 0; } +/* Copy data from chunk into a frame buffer, deinterlacing the data + * into every second line. Unfortunately, they don't align nicely into + * 720 pixel lines, as the chunk is 240 words long, which is 480 pixels. + * Therefore, we break down the chunk into two halves before copyting, + * so that we can interleave a line if needed. */ +static void usbtv_chunk_to_vbuf(u32 *frame, u32 *src, int chunk_no, int odd) +{ + int half; + + for (half = 0; half < 2; half++) { + int part_no = chunk_no * 2 + half; + int line = part_no / 3; + int part_index = (line * 2 + !odd) * 3 + (part_no % 3); + + u32 *dst = &frame[part_index * USBTV_CHUNK/2]; + memcpy(dst, src, USBTV_CHUNK/2 * sizeof(*src)); + src += USBTV_CHUNK/2; + } +} + /* Called for each 256-byte image chunk. * First word identifies the chunk, followed by 240 words of image * data and padding. */ @@ -218,17 +239,17 @@ static void usbtv_image_chunk(struct usbtv *usbtv, u32 *chunk) frame_id = USBTV_FRAME_ID(chunk); odd = USBTV_ODD(chunk); chunk_no = USBTV_CHUNK_NO(chunk); - - /* Deinterlace. TODO: Use interlaced frame format. */ - chunk_no = (chunk_no - chunk_no % 3) * 2 + chunk_no % 3; - chunk_no += !odd * 3; - if (chunk_no >= USBTV_CHUNKS) return; /* Beginning of a frame. */ - if (chunk_no == 0) + if (chunk_no == 0) { usbtv->frame_id = frame_id; + usbtv->chunks_done = 0; + } + + if (usbtv->frame_id != frame_id) + return; spin_lock_irqsave(&usbtv->buflock, flags); if (list_empty(&usbtv->bufs)) { @@ -241,19 +262,23 @@ static void usbtv_image_chunk(struct usbtv *usbtv, u32 *chunk) buf = list_first_entry(&usbtv->bufs, struct usbtv_buf, list); frame = vb2_plane_vaddr(&buf->vb, 0); - /* Copy the chunk. */ - memcpy(&frame[chunk_no * USBTV_CHUNK], &chunk[1], - USBTV_CHUNK * sizeof(chunk[1])); + /* Copy the chunk data. */ + usbtv_chunk_to_vbuf(frame, &chunk[1], chunk_no, odd); + usbtv->chunks_done++; /* Last chunk in a frame, signalling an end */ - if (usbtv->frame_id && chunk_no == USBTV_CHUNKS-1) { + if (odd && chunk_no == USBTV_CHUNKS-1) { int size = vb2_plane_size(&buf->vb, 0); + enum vb2_buffer_state state = usbtv->chunks_done == + USBTV_CHUNKS ? + VB2_BUF_STATE_DONE : + VB2_BUF_STATE_ERROR; buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED; buf->vb.v4l2_buf.sequence = usbtv->sequence++; v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); vb2_set_plane_payload(&buf->vb, 0, size); - vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE); + vb2_buffer_done(&buf->vb, state); list_del(&buf->list); } @@ -518,7 +543,7 @@ static int usbtv_queue_setup(struct vb2_queue *vq, if (*nbuffers < 2) *nbuffers = 2; *nplanes = 1; - sizes[0] = USBTV_CHUNK * USBTV_CHUNKS * sizeof(u32); + sizes[0] = USBTV_WIDTH * USBTV_HEIGHT / 2 * sizeof(u32); return 0; } diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index a746ba2..a956053 100644 --- a/drivers/net/arcnet/arcnet.c +++ b/drivers/net/arcnet/arcnet.c @@ -1007,7 +1007,7 @@ static void arcnet_rx(struct net_device *dev, int bufnum) soft = &pkt.soft.rfc1201; - lp->hw.copy_from_card(dev, bufnum, 0, &pkt, sizeof(ARC_HDR_SIZE)); + lp->hw.copy_from_card(dev, bufnum, 0, &pkt, ARC_HDR_SIZE); if (pkt.hard.offset[0]) { ofs = pkt.hard.offset[0]; length = 256 - ofs; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 07f257d4..e48cb33 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3714,11 +3714,17 @@ static int bond_neigh_init(struct neighbour *n) * The bonding ndo_neigh_setup is called at init time beofre any * slave exists. So we must declare proxy setup function which will * be used at run time to resolve the actual slave neigh param setup. + * + * It's also called by master devices (such as vlans) to setup their + * underlying devices. In that case - do nothing, we're already set up from + * our init. */ static int bond_neigh_setup(struct net_device *dev, struct neigh_parms *parms) { - parms->neigh_setup = bond_neigh_init; + /* modify only our neigh_parms */ + if (parms->dev == dev) + parms->neigh_setup = bond_neigh_init; return 0; } diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 6aa7b32..ac6177d 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -412,10 +412,20 @@ static void esd_usb2_read_bulk_callback(struct urb *urb) switch (msg->msg.hdr.cmd) { case CMD_CAN_RX: + if (msg->msg.rx.net >= dev->net_count) { + dev_err(dev->udev->dev.parent, "format error\n"); + break; + } + esd_usb2_rx_can_msg(dev->nets[msg->msg.rx.net], msg); break; case CMD_CAN_TX: + if (msg->msg.txdone.net >= dev->net_count) { + dev_err(dev->udev->dev.parent, "format error\n"); + break; + } + esd_usb2_tx_done_msg(dev->nets[msg->msg.txdone.net], msg); break; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c index 25723d8..925ab8e 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb.c @@ -649,7 +649,7 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len) if ((mc->ptr + rec_len) > mc->end) goto decode_failed; - memcpy(cf->data, mc->ptr, rec_len); + memcpy(cf->data, mc->ptr, cf->can_dlc); mc->ptr += rec_len; } diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index cbd388e..8becd3d 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -779,6 +779,7 @@ static int usb_8dev_start(struct usb_8dev_priv *priv) usb_unanchor_urb(urb); usb_free_coherent(priv->udev, RX_BUFFER_SIZE, buf, urb->transfer_dma); + usb_free_urb(urb); break; } diff --git a/drivers/net/ethernet/allwinner/Kconfig b/drivers/net/ethernet/allwinner/Kconfig index 53ad213..d8d95d4 100644 --- a/drivers/net/ethernet/allwinner/Kconfig +++ b/drivers/net/ethernet/allwinner/Kconfig @@ -3,19 +3,20 @@ # config NET_VENDOR_ALLWINNER - bool "Allwinner devices" - default y - depends on ARCH_SUNXI - ---help--- - If you have a network (Ethernet) card belonging to this - class, say Y and read the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. + bool "Allwinner devices" + default y - Note that the answer to this question doesn't directly - affect the kernel: saying N will just cause the configurator - to skip all the questions about Allwinner cards. If you say Y, - you will be asked for your specific card in the following - questions. + depends on ARCH_SUNXI + ---help--- + If you have a network (Ethernet) card belonging to this + class, say Y and read the Ethernet-HOWTO, available from + <http://www.tldp.org/docs.html#howto>. + + Note that the answer to this question doesn't directly + affect the kernel: saying N will just cause the configurator + to skip all the questions about Allwinner cards. If you say Y, + you will be asked for your specific card in the following + questions. if NET_VENDOR_ALLWINNER @@ -26,6 +27,7 @@ config SUN4I_EMAC select CRC32 select MII select PHYLIB + select MDIO_SUN4I ---help--- Support for Allwinner A10 EMAC ethernet driver. diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index f1b121e..55d79cb 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -199,7 +199,7 @@ static int arc_emac_rx(struct net_device *ndev, int budget) struct arc_emac_priv *priv = netdev_priv(ndev); unsigned int work_done; - for (work_done = 0; work_done <= budget; work_done++) { + for (work_done = 0; work_done < budget; work_done++) { unsigned int *last_rx_bd = &priv->last_rx_bd; struct net_device_stats *stats = &priv->stats; struct buffer_state *rx_buff = &priv->rx_buff[*last_rx_bd]; diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c.h b/drivers/net/ethernet/atheros/atl1c/atl1c.h index b2bf324..0f05565 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c.h +++ b/drivers/net/ethernet/atheros/atl1c/atl1c.h @@ -520,6 +520,9 @@ struct atl1c_adapter { struct net_device *netdev; struct pci_dev *pdev; struct napi_struct napi; + struct page *rx_page; + unsigned int rx_page_offset; + unsigned int rx_frag_size; struct atl1c_hw hw; struct atl1c_hw_stats hw_stats; struct mii_if_info mii; /* MII interface info */ diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 786a874..a36a760 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -481,10 +481,15 @@ static int atl1c_set_mac_addr(struct net_device *netdev, void *p) static void atl1c_set_rxbufsize(struct atl1c_adapter *adapter, struct net_device *dev) { + unsigned int head_size; int mtu = dev->mtu; adapter->rx_buffer_len = mtu > AT_RX_BUF_SIZE ? roundup(mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN, 8) : AT_RX_BUF_SIZE; + + head_size = SKB_DATA_ALIGN(adapter->rx_buffer_len + NET_SKB_PAD) + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + adapter->rx_frag_size = roundup_pow_of_two(head_size); } static netdev_features_t atl1c_fix_features(struct net_device *netdev, @@ -952,6 +957,10 @@ static void atl1c_free_ring_resources(struct atl1c_adapter *adapter) kfree(adapter->tpd_ring[0].buffer_info); adapter->tpd_ring[0].buffer_info = NULL; } + if (adapter->rx_page) { + put_page(adapter->rx_page); + adapter->rx_page = NULL; + } } /** @@ -1639,6 +1648,35 @@ static inline void atl1c_rx_checksum(struct atl1c_adapter *adapter, skb_checksum_none_assert(skb); } +static struct sk_buff *atl1c_alloc_skb(struct atl1c_adapter *adapter) +{ + struct sk_buff *skb; + struct page *page; + + if (adapter->rx_frag_size > PAGE_SIZE) + return netdev_alloc_skb(adapter->netdev, + adapter->rx_buffer_len); + + page = adapter->rx_page; + if (!page) { + adapter->rx_page = page = alloc_page(GFP_ATOMIC); + if (unlikely(!page)) + return NULL; + adapter->rx_page_offset = 0; + } + + skb = build_skb(page_address(page) + adapter->rx_page_offset, + adapter->rx_frag_size); + if (likely(skb)) { + adapter->rx_page_offset += adapter->rx_frag_size; + if (adapter->rx_page_offset >= PAGE_SIZE) + adapter->rx_page = NULL; + else + get_page(page); + } + return skb; +} + static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter) { struct atl1c_rfd_ring *rfd_ring = &adapter->rfd_ring; @@ -1660,7 +1698,7 @@ static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter) while (next_info->flags & ATL1C_BUFFER_FREE) { rfd_desc = ATL1C_RFD_DESC(rfd_ring, rfd_next_to_use); - skb = netdev_alloc_skb(adapter->netdev, adapter->rx_buffer_len); + skb = atl1c_alloc_skb(adapter); if (unlikely(!skb)) { if (netif_msg_rx_err(adapter)) dev_warn(&pdev->dev, "alloc rx buffer failed\n"); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index dedbd76..ce9b387 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -486,7 +486,7 @@ struct bnx2x_fastpath { struct napi_struct napi; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned int state; #define BNX2X_FP_STATE_IDLE 0 #define BNX2X_FP_STATE_NAPI (1 << 0) /* NAPI owns this FP */ @@ -498,7 +498,7 @@ struct bnx2x_fastpath { #define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD) /* protect state */ spinlock_t lock; -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ union host_hc_status_block status_blk; /* chip independent shortcuts into sb structure */ @@ -572,7 +572,7 @@ struct bnx2x_fastpath { #define bnx2x_fp_stats(bp, fp) (&((bp)->fp_stats[(fp)->index])) #define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats)) -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp) { spin_lock_init(&fp->lock); @@ -680,7 +680,7 @@ static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) { return false; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ /* Use 2500 as a mini-jumbo MTU for FCoE */ #define BNX2X_FCOE_MINI_JUMBO_MTU 2500 @@ -1502,6 +1502,7 @@ struct bnx2x { #define BC_SUPPORTS_DCBX_MSG_NON_PMF (1 << 21) #define IS_VF_FLAG (1 << 22) #define INTERRUPTS_ENABLED_FLAG (1 << 23) +#define BC_SUPPORTS_RMMOD_CMD (1 << 24) #define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG) @@ -1830,6 +1831,8 @@ struct bnx2x { int fp_array_size; u32 dump_preset_idx; + bool stats_started; + struct semaphore stats_sema; }; /* Tx queues may be less or equal to Rx queues */ @@ -2451,4 +2454,6 @@ enum bnx2x_pci_bus_speed { BNX2X_PCI_LINK_SPEED_5000 = 5000, BNX2X_PCI_LINK_SPEED_8000 = 8000 }; + +void bnx2x_set_local_cmng(struct bnx2x *bp); #endif /* bnx2x.h */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index ee350bd..f2d1ff1 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3117,7 +3117,7 @@ int bnx2x_poll(struct napi_struct *napi, int budget) return work_done; } -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL /* must be called with local_bh_disable()d */ int bnx2x_low_latency_recv(struct napi_struct *napi) { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index 0c94df4..f9122f2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c @@ -753,6 +753,10 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) bnx2x_pfc_set_pfc(bp); bnx2x_dcbx_update_ets_params(bp); + + /* ets may affect cmng configuration: reinit it in hw */ + bnx2x_set_local_cmng(bp); + bnx2x_dcbx_resume_hw_tx(bp); return; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h index 5018e52..32767f6 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h @@ -1300,6 +1300,9 @@ struct drv_func_mb { #define DRV_MSG_CODE_EEE_RESULTS_ACK 0xda000000 + #define DRV_MSG_CODE_RMMOD 0xdb000000 + #define REQ_BC_VER_4_RMMOD_CMD 0x0007080f + #define DRV_MSG_CODE_SET_MF_BW 0xe0000000 #define REQ_BC_VER_4_SET_MF_BW 0x00060202 #define DRV_MSG_CODE_SET_MF_BW_ACK 0xe1000000 @@ -1372,6 +1375,8 @@ struct drv_func_mb { #define FW_MSG_CODE_EEE_RESULS_ACK 0xda100000 + #define FW_MSG_CODE_RMMOD_ACK 0xdb100000 + #define FW_MSG_CODE_SET_MF_BW_SENT 0xe0000000 #define FW_MSG_CODE_SET_MF_BW_DONE 0xe1000000 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index e5da078..955d6cf 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -2476,7 +2476,7 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type) input.port_rate = bp->link_vars.line_speed; - if (cmng_type == CMNG_FNS_MINMAX) { + if (cmng_type == CMNG_FNS_MINMAX && input.port_rate) { int vn; /* read mf conf from shmem */ @@ -2533,6 +2533,21 @@ static void storm_memset_cmng(struct bnx2x *bp, } } +/* init cmng mode in HW according to local configuration */ +void bnx2x_set_local_cmng(struct bnx2x *bp) +{ + int cmng_fns = bnx2x_get_cmng_fns_mode(bp); + + if (cmng_fns != CMNG_FNS_NONE) { + bnx2x_cmng_fns_init(bp, false, cmng_fns); + storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp)); + } else { + /* rate shaping and fairness are disabled */ + DP(NETIF_MSG_IFUP, + "single function mode without fairness\n"); + } +} + /* This function is called upon link interrupt */ static void bnx2x_link_attn(struct bnx2x *bp) { @@ -2568,17 +2583,8 @@ static void bnx2x_link_attn(struct bnx2x *bp) bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); } - if (bp->link_vars.link_up && bp->link_vars.line_speed) { - int cmng_fns = bnx2x_get_cmng_fns_mode(bp); - - if (cmng_fns != CMNG_FNS_NONE) { - bnx2x_cmng_fns_init(bp, false, cmng_fns); - storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp)); - } else - /* rate shaping and fairness are disabled */ - DP(NETIF_MSG_IFUP, - "single function mode without fairness\n"); - } + if (bp->link_vars.link_up && bp->link_vars.line_speed) + bnx2x_set_local_cmng(bp); __bnx2x_link_report(bp); @@ -10362,6 +10368,10 @@ static void bnx2x_get_common_hwinfo(struct bnx2x *bp) bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ? BC_SUPPORTS_DCBX_MSG_NON_PMF : 0; + + bp->flags |= (val >= REQ_BC_VER_4_RMMOD_CMD) ? + BC_SUPPORTS_RMMOD_CMD : 0; + boot_mode = SHMEM_RD(bp, dev_info.port_feature_config[BP_PORT(bp)].mba_config) & PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK; @@ -11524,6 +11534,7 @@ static int bnx2x_init_bp(struct bnx2x *bp) mutex_init(&bp->port.phy_mutex); mutex_init(&bp->fw_mb_mutex); spin_lock_init(&bp->stats_lock); + sema_init(&bp->stats_sema, 1); INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task); INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task); @@ -12026,7 +12037,7 @@ static const struct net_device_ops bnx2x_netdev_ops = { .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn, #endif -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = bnx2x_low_latency_recv, #endif }; @@ -12817,13 +12828,17 @@ static void __bnx2x_remove(struct pci_dev *pdev, bnx2x_dcbnl_update_applist(bp, true); #endif + if (IS_PF(bp) && + !BP_NOMCP(bp) && + (bp->flags & BC_SUPPORTS_RMMOD_CMD)) + bnx2x_fw_command(bp, DRV_MSG_CODE_RMMOD, 0); + /* Close the interface - either directly or implicitly */ if (remove_netdev) { unregister_netdev(dev); } else { rtnl_lock(); - if (netif_running(dev)) - bnx2x_close(dev); + dev_close(dev); rtnl_unlock(); } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 95861ef..44104fb 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -3463,7 +3463,7 @@ int bnx2x_vf_pci_alloc(struct bnx2x *bp) alloc_mem_err: BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, sizeof(struct bnx2x_vf_mbx_msg)); - BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, + BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping, sizeof(union pf_vf_bulletin)); return -ENOMEM; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c index 98366ab..d63d132 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c @@ -221,7 +221,8 @@ static int bnx2x_stats_comp(struct bnx2x *bp) * Statistics service functions */ -static void bnx2x_stats_pmf_update(struct bnx2x *bp) +/* should be called under stats_sema */ +static void __bnx2x_stats_pmf_update(struct bnx2x *bp) { struct dmae_command *dmae; u32 opcode; @@ -518,7 +519,8 @@ static void bnx2x_func_stats_init(struct bnx2x *bp) *stats_comp = 0; } -static void bnx2x_stats_start(struct bnx2x *bp) +/* should be called under stats_sema */ +static void __bnx2x_stats_start(struct bnx2x *bp) { /* vfs travel through here as part of the statistics FSM, but no action * is required @@ -534,13 +536,34 @@ static void bnx2x_stats_start(struct bnx2x *bp) bnx2x_hw_stats_post(bp); bnx2x_storm_stats_post(bp); + + bp->stats_started = true; +} + +static void bnx2x_stats_start(struct bnx2x *bp) +{ + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); + __bnx2x_stats_start(bp); + up(&bp->stats_sema); } static void bnx2x_stats_pmf_start(struct bnx2x *bp) { + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); bnx2x_stats_comp(bp); - bnx2x_stats_pmf_update(bp); - bnx2x_stats_start(bp); + __bnx2x_stats_pmf_update(bp); + __bnx2x_stats_start(bp); + up(&bp->stats_sema); +} + +static void bnx2x_stats_pmf_update(struct bnx2x *bp) +{ + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); + __bnx2x_stats_pmf_update(bp); + up(&bp->stats_sema); } static void bnx2x_stats_restart(struct bnx2x *bp) @@ -550,8 +573,11 @@ static void bnx2x_stats_restart(struct bnx2x *bp) */ if (IS_VF(bp)) return; + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); bnx2x_stats_comp(bp); - bnx2x_stats_start(bp); + __bnx2x_stats_start(bp); + up(&bp->stats_sema); } static void bnx2x_bmac_stats_update(struct bnx2x *bp) @@ -888,9 +914,7 @@ static int bnx2x_storm_stats_validate_counters(struct bnx2x *bp) /* Make sure we use the value of the counter * used for sending the last stats ramrod. */ - spin_lock_bh(&bp->stats_lock); cur_stats_counter = bp->stats_counter - 1; - spin_unlock_bh(&bp->stats_lock); /* are storm stats valid? */ if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) { @@ -1227,12 +1251,18 @@ static void bnx2x_stats_update(struct bnx2x *bp) { u32 *stats_comp = bnx2x_sp(bp, stats_comp); - if (bnx2x_edebug_stats_stopped(bp)) + /* we run update from timer context, so give up + * if somebody is in the middle of transition + */ + if (down_trylock(&bp->stats_sema)) return; + if (bnx2x_edebug_stats_stopped(bp) || !bp->stats_started) + goto out; + if (IS_PF(bp)) { if (*stats_comp != DMAE_COMP_VAL) - return; + goto out; if (bp->port.pmf) bnx2x_hw_stats_update(bp); @@ -1242,7 +1272,7 @@ static void bnx2x_stats_update(struct bnx2x *bp) BNX2X_ERR("storm stats were not updated for 3 times\n"); bnx2x_panic(); } - return; + goto out; } } else { /* vf doesn't collect HW statistics, and doesn't get completions @@ -1256,7 +1286,7 @@ static void bnx2x_stats_update(struct bnx2x *bp) /* vf is done */ if (IS_VF(bp)) - return; + goto out; if (netif_msg_timer(bp)) { struct bnx2x_eth_stats *estats = &bp->eth_stats; @@ -1267,6 +1297,9 @@ static void bnx2x_stats_update(struct bnx2x *bp) bnx2x_hw_stats_post(bp); bnx2x_storm_stats_post(bp); + +out: + up(&bp->stats_sema); } static void bnx2x_port_stats_stop(struct bnx2x *bp) @@ -1332,6 +1365,11 @@ static void bnx2x_stats_stop(struct bnx2x *bp) { int update = 0; + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); + + bp->stats_started = false; + bnx2x_stats_comp(bp); if (bp->port.pmf) @@ -1348,6 +1386,8 @@ static void bnx2x_stats_stop(struct bnx2x *bp) bnx2x_hw_stats_post(bp); bnx2x_stats_comp(bp); } + + up(&bp->stats_sema); } static void bnx2x_stats_do_nothing(struct bnx2x *bp) @@ -1376,15 +1416,17 @@ static const struct { void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event) { enum bnx2x_stats_state state; + void (*action)(struct bnx2x *bp); if (unlikely(bp->panic)) return; spin_lock_bh(&bp->stats_lock); state = bp->stats_state; bp->stats_state = bnx2x_stats_stm[state][event].next_state; + action = bnx2x_stats_stm[state][event].action; spin_unlock_bh(&bp->stats_lock); - bnx2x_stats_stm[state][event].action(bp); + action(bp); if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp)) DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n", diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index d964f30..0da2214 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -17625,7 +17625,8 @@ err_out_free_res: pci_release_regions(pdev); err_out_disable_pdev: - pci_disable_device(pdev); + if (pci_is_enabled(pdev)) + pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); return err; } @@ -17773,7 +17774,8 @@ static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, rtnl_lock(); - if (!netif_running(netdev)) + /* We probably don't have netdev yet */ + if (!netdev || !netif_running(netdev)) goto done; tg3_phy_stop(tp); @@ -17794,8 +17796,10 @@ static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, done: if (state == pci_channel_io_perm_failure) { - tg3_napi_enable(tp); - dev_close(netdev); + if (netdev) { + tg3_napi_enable(tp); + dev_close(netdev); + } err = PCI_ERS_RESULT_DISCONNECT; } else { pci_disable_device(pdev); @@ -17825,7 +17829,8 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev) rtnl_lock(); if (pci_enable_device(pdev)) { - netdev_err(netdev, "Cannot re-enable PCI device after reset.\n"); + dev_err(&pdev->dev, + "Cannot re-enable PCI device after reset.\n"); goto done; } @@ -17833,7 +17838,7 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev) pci_restore_state(pdev); pci_save_state(pdev); - if (!netif_running(netdev)) { + if (!netdev || !netif_running(netdev)) { rc = PCI_ERS_RESULT_RECOVERED; goto done; } @@ -17845,7 +17850,7 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev) rc = PCI_ERS_RESULT_RECOVERED; done: - if (rc != PCI_ERS_RESULT_RECOVERED && netif_running(netdev)) { + if (rc != PCI_ERS_RESULT_RECOVERED && netdev && netif_running(netdev)) { tg3_napi_enable(tp); dev_close(netdev); } diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index 687ec4a..9c89dc8 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -455,11 +455,6 @@ static int alloc_pg_chunk(struct adapter *adapter, struct sge_fl *q, q->pg_chunk.offset = 0; mapping = pci_map_page(adapter->pdev, q->pg_chunk.page, 0, q->alloc_size, PCI_DMA_FROMDEVICE); - if (unlikely(pci_dma_mapping_error(adapter->pdev, mapping))) { - __free_pages(q->pg_chunk.page, order); - q->pg_chunk.page = NULL; - return -EIO; - } q->pg_chunk.mapping = mapping; } sd->pg_chunk = q->pg_chunk; @@ -954,75 +949,40 @@ static inline unsigned int calc_tx_descs(const struct sk_buff *skb) return flits_to_desc(flits); } - -/* map_skb - map a packet main body and its page fragments - * @pdev: the PCI device - * @skb: the packet - * @addr: placeholder to save the mapped addresses - * - * map the main body of an sk_buff and its page fragments, if any. - */ -static int map_skb(struct pci_dev *pdev, const struct sk_buff *skb, - dma_addr_t *addr) -{ - const skb_frag_t *fp, *end; - const struct skb_shared_info *si; - - *addr = pci_map_single(pdev, skb->data, skb_headlen(skb), - PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(pdev, *addr)) - goto out_err; - - si = skb_shinfo(skb); - end = &si->frags[si->nr_frags]; - - for (fp = si->frags; fp < end; fp++) { - *++addr = skb_frag_dma_map(&pdev->dev, fp, 0, skb_frag_size(fp), - DMA_TO_DEVICE); - if (pci_dma_mapping_error(pdev, *addr)) - goto unwind; - } - return 0; - -unwind: - while (fp-- > si->frags) - dma_unmap_page(&pdev->dev, *--addr, skb_frag_size(fp), - DMA_TO_DEVICE); - - pci_unmap_single(pdev, addr[-1], skb_headlen(skb), PCI_DMA_TODEVICE); -out_err: - return -ENOMEM; -} - /** - * write_sgl - populate a scatter/gather list for a packet + * make_sgl - populate a scatter/gather list for a packet * @skb: the packet * @sgp: the SGL to populate * @start: start address of skb main body data to include in the SGL * @len: length of skb main body data to include in the SGL - * @addr: the list of the mapped addresses + * @pdev: the PCI device * - * Copies the scatter/gather list for the buffers that make up a packet + * Generates a scatter/gather list for the buffers that make up a packet * and returns the SGL size in 8-byte words. The caller must size the SGL * appropriately. */ -static inline unsigned int write_sgl(const struct sk_buff *skb, +static inline unsigned int make_sgl(const struct sk_buff *skb, struct sg_ent *sgp, unsigned char *start, - unsigned int len, const dma_addr_t *addr) + unsigned int len, struct pci_dev *pdev) { - unsigned int i, j = 0, k = 0, nfrags; + dma_addr_t mapping; + unsigned int i, j = 0, nfrags; if (len) { + mapping = pci_map_single(pdev, start, len, PCI_DMA_TODEVICE); sgp->len[0] = cpu_to_be32(len); - sgp->addr[j++] = cpu_to_be64(addr[k++]); + sgp->addr[0] = cpu_to_be64(mapping); + j = 1; } nfrags = skb_shinfo(skb)->nr_frags; for (i = 0; i < nfrags; i++) { const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + mapping = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag), + DMA_TO_DEVICE); sgp->len[j] = cpu_to_be32(skb_frag_size(frag)); - sgp->addr[j] = cpu_to_be64(addr[k++]); + sgp->addr[j] = cpu_to_be64(mapping); j ^= 1; if (j == 0) ++sgp; @@ -1178,7 +1138,7 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb, const struct port_info *pi, unsigned int pidx, unsigned int gen, struct sge_txq *q, unsigned int ndesc, - unsigned int compl, const dma_addr_t *addr) + unsigned int compl) { unsigned int flits, sgl_flits, cntrl, tso_info; struct sg_ent *sgp, sgl[MAX_SKB_FRAGS / 2 + 1]; @@ -1236,7 +1196,7 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb, } sgp = ndesc == 1 ? (struct sg_ent *)&d->flit[flits] : sgl; - sgl_flits = write_sgl(skb, sgp, skb->data, skb_headlen(skb), addr); + sgl_flits = make_sgl(skb, sgp, skb->data, skb_headlen(skb), adap->pdev); write_wr_hdr_sgl(ndesc, skb, d, pidx, q, sgl, flits, sgl_flits, gen, htonl(V_WR_OP(FW_WROPCODE_TUNNEL_TX_PKT) | compl), @@ -1267,7 +1227,6 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev) struct netdev_queue *txq; struct sge_qset *qs; struct sge_txq *q; - dma_addr_t addr[MAX_SKB_FRAGS + 1]; /* * The chip min packet length is 9 octets but play safe and reject @@ -1296,11 +1255,6 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; } - if (unlikely(map_skb(adap->pdev, skb, addr) < 0)) { - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - q->in_use += ndesc; if (unlikely(credits - ndesc < q->stop_thres)) { t3_stop_tx_queue(txq, qs, q); @@ -1358,7 +1312,7 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev) if (likely(!skb_shared(skb))) skb_orphan(skb); - write_tx_pkt_wr(adap, skb, pi, pidx, gen, q, ndesc, compl, addr); + write_tx_pkt_wr(adap, skb, pi, pidx, gen, q, ndesc, compl); check_ring_tx_db(adap, q); return NETDEV_TX_OK; } @@ -1623,8 +1577,7 @@ static void setup_deferred_unmapping(struct sk_buff *skb, struct pci_dev *pdev, */ static void write_ofld_wr(struct adapter *adap, struct sk_buff *skb, struct sge_txq *q, unsigned int pidx, - unsigned int gen, unsigned int ndesc, - const dma_addr_t *addr) + unsigned int gen, unsigned int ndesc) { unsigned int sgl_flits, flits; struct work_request_hdr *from; @@ -1645,9 +1598,9 @@ static void write_ofld_wr(struct adapter *adap, struct sk_buff *skb, flits = skb_transport_offset(skb) / 8; sgp = ndesc == 1 ? (struct sg_ent *)&d->flit[flits] : sgl; - sgl_flits = write_sgl(skb, sgp, skb_transport_header(skb), - skb_tail_pointer(skb) - - skb_transport_header(skb), addr); + sgl_flits = make_sgl(skb, sgp, skb_transport_header(skb), + skb->tail - skb->transport_header, + adap->pdev); if (need_skb_unmap()) { setup_deferred_unmapping(skb, adap->pdev, sgp, sgl_flits); skb->destructor = deferred_unmap_destructor; @@ -1705,11 +1658,6 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); goto again; } - if (map_skb(adap->pdev, skb, (dma_addr_t *)skb->head)) { - spin_unlock(&q->lock); - return NET_XMIT_SUCCESS; - } - gen = q->gen; q->in_use += ndesc; pidx = q->pidx; @@ -1720,7 +1668,7 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); } spin_unlock(&q->lock); - write_ofld_wr(adap, skb, q, pidx, gen, ndesc, (dma_addr_t *)skb->head); + write_ofld_wr(adap, skb, q, pidx, gen, ndesc); check_ring_tx_db(adap, q); return NET_XMIT_SUCCESS; } @@ -1738,7 +1686,6 @@ static void restart_offloadq(unsigned long data) struct sge_txq *q = &qs->txq[TXQ_OFLD]; const struct port_info *pi = netdev_priv(qs->netdev); struct adapter *adap = pi->adapter; - unsigned int written = 0; spin_lock(&q->lock); again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); @@ -1758,14 +1705,10 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); break; } - if (map_skb(adap->pdev, skb, (dma_addr_t *)skb->head)) - break; - gen = q->gen; q->in_use += ndesc; pidx = q->pidx; q->pidx += ndesc; - written += ndesc; if (q->pidx >= q->size) { q->pidx -= q->size; q->gen ^= 1; @@ -1773,8 +1716,7 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); __skb_unlink(skb, &q->sendq); spin_unlock(&q->lock); - write_ofld_wr(adap, skb, q, pidx, gen, ndesc, - (dma_addr_t *)skb->head); + write_ofld_wr(adap, skb, q, pidx, gen, ndesc); spin_lock(&q->lock); } spin_unlock(&q->lock); @@ -1784,9 +1726,8 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); set_bit(TXQ_LAST_PKT_DB, &q->flags); #endif wmb(); - if (likely(written)) - t3_write_reg(adap, A_SG_KDOORBELL, - F_SELEGRCNTX | V_EGRCNTX(q->cntxt_id)); + t3_write_reg(adap, A_SG_KDOORBELL, + F_SELEGRCNTX | V_EGRCNTX(q->cntxt_id)); } /** diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 6e6e0a1..8ec5d74 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -3048,6 +3048,9 @@ int be_cmd_get_func_config(struct be_adapter *adapter) adapter->max_event_queues = le16_to_cpu(desc->eq_count); adapter->if_cap_flags = le32_to_cpu(desc->cap_flags); + + /* Clear flags that driver is not interested in */ + adapter->if_cap_flags &= BE_IF_CAP_FLAGS_WANT; } err: mutex_unlock(&adapter->mbox_lock); diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index 5228d88..1b3b9e8 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -563,6 +563,12 @@ enum be_if_flags { BE_IF_FLAGS_MULTICAST = 0x1000 }; +#define BE_IF_CAP_FLAGS_WANT (BE_IF_FLAGS_RSS | BE_IF_FLAGS_PROMISCUOUS |\ + BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_VLAN_PROMISCUOUS |\ + BE_IF_FLAGS_VLAN | BE_IF_FLAGS_MCAST_PROMISCUOUS |\ + BE_IF_FLAGS_PASS_L3L4_ERRORS | BE_IF_FLAGS_MULTICAST |\ + BE_IF_FLAGS_UNTAGGED) + /* An RX interface is an object with one or more MAC addresses and * filtering capabilities. */ struct be_cmd_req_if_create { diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 2b0a0ea..ae23600 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -259,6 +259,7 @@ struct bufdesc_ex { struct fec_enet_delayed_work { struct delayed_work delay_work; bool timeout; + bool trig_tx; }; /* The FEC buffer descriptors track the ring buffers. The rx_bd_base and diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index d3ad5ea..77ea0db 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -93,6 +93,20 @@ static void set_multicast_list(struct net_device *ndev); #define FEC_QUIRK_HAS_CSUM (1 << 5) /* Controller has hardware vlan support */ #define FEC_QUIRK_HAS_VLAN (1 << 6) +/* ENET IP errata ERR006358 + * + * If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously + * detected as not set during a prior frame transmission, then the + * ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs + * were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in + * If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously + * detected as not set during a prior frame transmission, then the + * ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs + * were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in + * frames not being transmitted until there is a 0-to-1 transition on + * ENET_TDAR[TDAR]. + */ +#define FEC_QUIRK_ERR006358 (1 << 7) static struct platform_device_id fec_devtype[] = { { @@ -112,7 +126,7 @@ static struct platform_device_id fec_devtype[] = { .name = "imx6q-fec", .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT | FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | - FEC_QUIRK_HAS_VLAN, + FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358, }, { .name = "mvf600-fec", .driver_data = FEC_QUIRK_ENET_MAC, @@ -275,16 +289,11 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); const struct platform_device_id *id_entry = platform_get_device_id(fep->pdev); - struct bufdesc *bdp; + struct bufdesc *bdp, *bdp_pre; void *bufaddr; unsigned short status; unsigned int index; - if (!fep->link) { - /* Link is down or auto-negotiation is in progress. */ - return NETDEV_TX_BUSY; - } - /* Fill in a Tx ring entry */ bdp = fep->cur_tx; @@ -370,6 +379,15 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) ebdp->cbd_esc |= BD_ENET_TX_PINS; } } + + bdp_pre = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex); + if ((id_entry->driver_data & FEC_QUIRK_ERR006358) && + !(bdp_pre->cbd_sc & BD_ENET_TX_READY)) { + fep->delay_work.trig_tx = true; + schedule_delayed_work(&(fep->delay_work.delay_work), + msecs_to_jiffies(1)); + } + /* If this was the last BD in the ring, start at the beginning again. */ if (status & BD_ENET_TX_WRAP) bdp = fep->tx_bd_base; @@ -689,6 +707,11 @@ static void fec_enet_work(struct work_struct *work) fec_restart(fep->netdev, fep->full_duplex); netif_wake_queue(fep->netdev); } + + if (fep->delay_work.trig_tx) { + fep->delay_work.trig_tx = false; + writel(0, fep->hwp + FEC_X_DES_ACTIVE); + } } static void @@ -2279,4 +2302,5 @@ static struct platform_driver fec_driver = { module_platform_driver(fec_driver); +MODULE_ALIAS("platform:"DRIVER_NAME); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 6a0c1b6..c1d72c0 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3739,9 +3739,8 @@ static void igb_set_rx_mode(struct net_device *netdev) rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_VFE); if (netdev->flags & IFF_PROMISC) { - u32 mrqc = rd32(E1000_MRQC); /* retain VLAN HW filtering if in VT mode */ - if (mrqc & E1000_MRQC_ENABLE_VMDQ) + if (adapter->vfs_allocated_count) rctl |= E1000_RCTL_VFE; rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); vmolr |= (E1000_VMOLR_ROPE | E1000_VMOLR_MPME); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 7be725c..a6494e5 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -54,7 +54,7 @@ #include <net/busy_poll.h> -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL #define LL_EXTENDED_STATS #endif /* common prefix used by pr_<> macros */ @@ -366,7 +366,7 @@ struct ixgbe_q_vector { struct rcu_head rcu; /* to avoid race with update stats on free */ char name[IFNAMSIZ + 9]; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned int state; #define IXGBE_QV_STATE_IDLE 0 #define IXGBE_QV_STATE_NAPI 1 /* NAPI owns this QV */ @@ -377,12 +377,12 @@ struct ixgbe_q_vector { #define IXGBE_QV_YIELD (IXGBE_QV_STATE_NAPI_YIELD | IXGBE_QV_STATE_POLL_YIELD) #define IXGBE_QV_USER_PEND (IXGBE_QV_STATE_POLL | IXGBE_QV_STATE_POLL_YIELD) spinlock_t lock; -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ /* for dynamic allocation of rings associated with this q_vector */ struct ixgbe_ring ring[0] ____cacheline_internodealigned_in_smp; }; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL static inline void ixgbe_qv_init_lock(struct ixgbe_q_vector *q_vector) { @@ -462,7 +462,7 @@ static inline bool ixgbe_qv_ll_polling(struct ixgbe_q_vector *q_vector) WARN_ON(!(q_vector->state & IXGBE_QV_LOCKED)); return q_vector->state & IXGBE_QV_USER_PEND; } -#else /* CONFIG_NET_LL_RX_POLL */ +#else /* CONFIG_NET_RX_BUSY_POLL */ static inline void ixgbe_qv_init_lock(struct ixgbe_q_vector *q_vector) { } @@ -491,7 +491,7 @@ static inline bool ixgbe_qv_ll_polling(struct ixgbe_q_vector *q_vector) { return false; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ #ifdef CONFIG_IXGBE_HWMON diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c index ac78077..7a77f37 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c @@ -108,9 +108,8 @@ s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, /* Enable arbiter */ reg &= ~IXGBE_DPMCS_ARBDIS; - /* Enable DFP and Recycle mode */ - reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM); reg |= IXGBE_DPMCS_TSOEF; + /* Configure Max TSO packet size 34KB including payload and headers */ reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index bad8f14..be4b1fb 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1998,7 +1998,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, return total_rx_packets; } -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL /* must be called with local_bh_disable()d */ static int ixgbe_low_latency_recv(struct napi_struct *napi) { @@ -2030,7 +2030,7 @@ static int ixgbe_low_latency_recv(struct napi_struct *napi) return found; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ /** * ixgbe_configure_msix - Configure MSI-X hardware @@ -7227,7 +7227,7 @@ static const struct net_device_ops ixgbe_netdev_ops = { #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = ixgbe_netpoll, #endif -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = ixgbe_low_latency_recv, #endif #ifdef IXGBE_FCOE diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 712779f..b017818 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -88,6 +88,8 @@ #define MVNETA_TX_IN_PRGRS BIT(1) #define MVNETA_TX_FIFO_EMPTY BIT(8) #define MVNETA_RX_MIN_FRAME_SIZE 0x247c +#define MVNETA_SGMII_SERDES_CFG 0x24A0 +#define MVNETA_SGMII_SERDES_PROTO 0x0cc7 #define MVNETA_TYPE_PRIO 0x24bc #define MVNETA_FORCE_UNI BIT(21) #define MVNETA_TXQ_CMD_1 0x24e4 @@ -655,6 +657,8 @@ static void mvneta_port_sgmii_config(struct mvneta_port *pp) val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); val |= MVNETA_GMAC2_PSC_ENABLE; mvreg_write(pp, MVNETA_GMAC_CTRL_2, val); + + mvreg_write(pp, MVNETA_SGMII_SERDES_CFG, MVNETA_SGMII_SERDES_PROTO); } /* Start the Ethernet port RX and TX activity */ @@ -2728,28 +2732,24 @@ static int mvneta_probe(struct platform_device *pdev) pp = netdev_priv(dev); - pp->tx_done_timer.function = mvneta_tx_done_timer_callback; - init_timer(&pp->tx_done_timer); - clear_bit(MVNETA_F_TX_DONE_TIMER_BIT, &pp->flags); - pp->weight = MVNETA_RX_POLL_WEIGHT; pp->phy_node = phy_node; pp->phy_interface = phy_mode; - pp->base = of_iomap(dn, 0); - if (pp->base == NULL) { - err = -ENOMEM; - goto err_free_irq; - } - pp->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pp->clk)) { err = PTR_ERR(pp->clk); - goto err_unmap; + goto err_free_irq; } clk_prepare_enable(pp->clk); + pp->base = of_iomap(dn, 0); + if (pp->base == NULL) { + err = -ENOMEM; + goto err_clk; + } + dt_mac_addr = of_get_mac_address(dn); if (dt_mac_addr && is_valid_ether_addr(dt_mac_addr)) { mac_from = "device tree"; @@ -2766,6 +2766,9 @@ static int mvneta_probe(struct platform_device *pdev) } pp->tx_done_timer.data = (unsigned long)dev; + pp->tx_done_timer.function = mvneta_tx_done_timer_callback; + init_timer(&pp->tx_done_timer); + clear_bit(MVNETA_F_TX_DONE_TIMER_BIT, &pp->flags); pp->tx_ring_size = MVNETA_MAX_TXD; pp->rx_ring_size = MVNETA_MAX_RXD; @@ -2776,7 +2779,7 @@ static int mvneta_probe(struct platform_device *pdev) err = mvneta_init(pp, phy_addr); if (err < 0) { dev_err(&pdev->dev, "can't init eth hal\n"); - goto err_clk; + goto err_unmap; } mvneta_port_power_up(pp, phy_mode); @@ -2806,10 +2809,10 @@ static int mvneta_probe(struct platform_device *pdev) err_deinit: mvneta_deinit(pp); -err_clk: - clk_disable_unprepare(pp->clk); err_unmap: iounmap(pp->base); +err_clk: + clk_disable_unprepare(pp->clk); err_free_irq: irq_dispose_mapping(dev->irq); err_free_netdev: diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index c896079..ef94a59 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -931,17 +931,20 @@ static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u32 base) } /* Allocate and setup a new buffer for receiving */ -static void skge_rx_setup(struct skge_port *skge, struct skge_element *e, - struct sk_buff *skb, unsigned int bufsize) +static int skge_rx_setup(struct skge_port *skge, struct skge_element *e, + struct sk_buff *skb, unsigned int bufsize) { struct skge_rx_desc *rd = e->desc; - u64 map; + dma_addr_t map; map = pci_map_single(skge->hw->pdev, skb->data, bufsize, PCI_DMA_FROMDEVICE); - rd->dma_lo = map; - rd->dma_hi = map >> 32; + if (pci_dma_mapping_error(skge->hw->pdev, map)) + return -1; + + rd->dma_lo = lower_32_bits(map); + rd->dma_hi = upper_32_bits(map); e->skb = skb; rd->csum1_start = ETH_HLEN; rd->csum2_start = ETH_HLEN; @@ -953,6 +956,7 @@ static void skge_rx_setup(struct skge_port *skge, struct skge_element *e, rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | bufsize; dma_unmap_addr_set(e, mapaddr, map); dma_unmap_len_set(e, maplen, bufsize); + return 0; } /* Resume receiving using existing skb, @@ -1014,7 +1018,10 @@ static int skge_rx_fill(struct net_device *dev) return -ENOMEM; skb_reserve(skb, NET_IP_ALIGN); - skge_rx_setup(skge, e, skb, skge->rx_buf_size); + if (skge_rx_setup(skge, e, skb, skge->rx_buf_size) < 0) { + dev_kfree_skb(skb); + return -EIO; + } } while ((e = e->next) != ring->start); ring->to_clean = ring->start; @@ -2544,7 +2551,7 @@ static int skge_up(struct net_device *dev) BUG_ON(skge->dma & 7); - if ((u64)skge->dma >> 32 != ((u64) skge->dma + skge->mem_size) >> 32) { + if (upper_32_bits(skge->dma) != upper_32_bits(skge->dma + skge->mem_size)) { dev_err(&hw->pdev->dev, "pci_alloc_consistent region crosses 4G boundary\n"); err = -EINVAL; goto free_pci_mem; @@ -2729,7 +2736,7 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, struct skge_tx_desc *td; int i; u32 control, len; - u64 map; + dma_addr_t map; if (skb_padto(skb, ETH_ZLEN)) return NETDEV_TX_OK; @@ -2743,11 +2750,14 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, e->skb = skb; len = skb_headlen(skb); map = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(hw->pdev, map)) + goto mapping_error; + dma_unmap_addr_set(e, mapaddr, map); dma_unmap_len_set(e, maplen, len); - td->dma_lo = map; - td->dma_hi = map >> 32; + td->dma_lo = lower_32_bits(map); + td->dma_hi = upper_32_bits(map); if (skb->ip_summed == CHECKSUM_PARTIAL) { const int offset = skb_checksum_start_offset(skb); @@ -2778,14 +2788,16 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, map = skb_frag_dma_map(&hw->pdev->dev, frag, 0, skb_frag_size(frag), DMA_TO_DEVICE); + if (dma_mapping_error(&hw->pdev->dev, map)) + goto mapping_unwind; e = e->next; e->skb = skb; tf = e->desc; BUG_ON(tf->control & BMU_OWN); - tf->dma_lo = map; - tf->dma_hi = (u64) map >> 32; + tf->dma_lo = lower_32_bits(map); + tf->dma_hi = upper_32_bits(map); dma_unmap_addr_set(e, mapaddr, map); dma_unmap_len_set(e, maplen, skb_frag_size(frag)); @@ -2815,6 +2827,26 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, } return NETDEV_TX_OK; + +mapping_unwind: + e = skge->tx_ring.to_use; + pci_unmap_single(hw->pdev, + dma_unmap_addr(e, mapaddr), + dma_unmap_len(e, maplen), + PCI_DMA_TODEVICE); + while (i-- > 0) { + e = e->next; + pci_unmap_page(hw->pdev, + dma_unmap_addr(e, mapaddr), + dma_unmap_len(e, maplen), + PCI_DMA_TODEVICE); + } + +mapping_error: + if (net_ratelimit()) + dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name); + dev_kfree_skb(skb); + return NETDEV_TX_OK; } @@ -3045,11 +3077,13 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, pci_dma_sync_single_for_cpu(skge->hw->pdev, dma_unmap_addr(e, mapaddr), - len, PCI_DMA_FROMDEVICE); + dma_unmap_len(e, maplen), + PCI_DMA_FROMDEVICE); skb_copy_from_linear_data(e->skb, skb->data, len); pci_dma_sync_single_for_device(skge->hw->pdev, dma_unmap_addr(e, mapaddr), - len, PCI_DMA_FROMDEVICE); + dma_unmap_len(e, maplen), + PCI_DMA_FROMDEVICE); skge_rx_reuse(e, skge->rx_buf_size); } else { struct sk_buff *nskb; @@ -3058,13 +3092,17 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, if (!nskb) goto resubmit; + if (skge_rx_setup(skge, e, nskb, skge->rx_buf_size) < 0) { + dev_kfree_skb(nskb); + goto resubmit; + } + pci_unmap_single(skge->hw->pdev, dma_unmap_addr(e, mapaddr), dma_unmap_len(e, maplen), PCI_DMA_FROMDEVICE); skb = e->skb; prefetch(skb->data); - skge_rx_setup(skge, e, nskb, skge->rx_buf_size); } skb_put(skb, len); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index 727874f..a28cd80 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -223,7 +223,7 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset) case ETH_SS_STATS: return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) + (priv->tx_ring_num * 2) + -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL (priv->rx_ring_num * 5); #else (priv->rx_ring_num * 2); @@ -276,7 +276,7 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev, for (i = 0; i < priv->rx_ring_num; i++) { data[index++] = priv->rx_ring[i].packets; data[index++] = priv->rx_ring[i].bytes; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL data[index++] = priv->rx_ring[i].yields; data[index++] = priv->rx_ring[i].misses; data[index++] = priv->rx_ring[i].cleaned; @@ -344,7 +344,7 @@ static void mlx4_en_get_strings(struct net_device *dev, "rx%d_packets", i); sprintf(data + (index++) * ETH_GSTRING_LEN, "rx%d_bytes", i); -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL sprintf(data + (index++) * ETH_GSTRING_LEN, "rx%d_napi_yield", i); sprintf(data + (index++) * ETH_GSTRING_LEN, diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 5eac871..fa37b7a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -68,7 +68,7 @@ int mlx4_en_setup_tc(struct net_device *dev, u8 up) return 0; } -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL /* must be called with local_bh_disable()d */ static int mlx4_en_low_latency_recv(struct napi_struct *napi) { @@ -94,7 +94,7 @@ static int mlx4_en_low_latency_recv(struct napi_struct *napi) return done; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ #ifdef CONFIG_RFS_ACCEL @@ -2140,7 +2140,7 @@ static const struct net_device_ops mlx4_netdev_ops = { #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = mlx4_en_filter_rfs, #endif -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = mlx4_en_low_latency_recv, #endif }; diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 8873d68..6fc6dab 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -845,16 +845,7 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, MLX4_CMD_NATIVE); if (!err && dev->caps.function != slave) { - /* if config MAC in DB use it */ - if (priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac) - def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; - else { - /* set slave default_mac address */ - MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET); - def_mac += slave << 8; - priv->mfunc.master.vf_admin[slave].vport[vhcr->in_modifier].mac = def_mac; - } - + def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); /* get port type - currently only eth is enabled */ diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index e85af92..36be320 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -371,7 +371,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; - if (!enable_64b_cqe_eqe) { + if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) { if (dev_cap->flags & (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 35fb60e..5e0aa56 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -292,7 +292,7 @@ struct mlx4_en_rx_ring { void *rx_info; unsigned long bytes; unsigned long packets; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned long yields; unsigned long misses; unsigned long cleaned; @@ -318,7 +318,7 @@ struct mlx4_en_cq { struct mlx4_cqe *buf; #define MLX4_EN_OPCODE_ERROR 0x1e -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned int state; #define MLX4_EN_CQ_STATE_IDLE 0 #define MLX4_EN_CQ_STATE_NAPI 1 /* NAPI owns this CQ */ @@ -329,7 +329,7 @@ struct mlx4_en_cq { #define CQ_YIELD (MLX4_EN_CQ_STATE_NAPI_YIELD | MLX4_EN_CQ_STATE_POLL_YIELD) #define CQ_USER_PEND (MLX4_EN_CQ_STATE_POLL | MLX4_EN_CQ_STATE_POLL_YIELD) spinlock_t poll_lock; /* protects from LLS/napi conflicts */ -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ }; struct mlx4_en_port_profile { @@ -580,7 +580,7 @@ struct mlx4_mac_entry { struct rcu_head rcu; }; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL static inline void mlx4_en_cq_init_lock(struct mlx4_en_cq *cq) { spin_lock_init(&cq->poll_lock); @@ -687,7 +687,7 @@ static inline bool mlx4_en_cq_ll_polling(struct mlx4_en_cq *cq) { return false; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ #define MLX4_EN_WOL_DO_MODIFY (1ULL << 63) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 205753a..5472cbd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -46,7 +46,7 @@ #include "mlx5_core.h" enum { - CMD_IF_REV = 3, + CMD_IF_REV = 5, }; enum { @@ -282,6 +282,12 @@ const char *mlx5_command_str(int command) case MLX5_CMD_OP_TEARDOWN_HCA: return "TEARDOWN_HCA"; + case MLX5_CMD_OP_ENABLE_HCA: + return "MLX5_CMD_OP_ENABLE_HCA"; + + case MLX5_CMD_OP_DISABLE_HCA: + return "MLX5_CMD_OP_DISABLE_HCA"; + case MLX5_CMD_OP_QUERY_PAGES: return "QUERY_PAGES"; @@ -1113,7 +1119,13 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector) for (i = 0; i < (1 << cmd->log_sz); i++) { if (test_bit(i, &vector)) { + struct semaphore *sem; + ent = cmd->ent_arr[i]; + if (ent->page_queue) + sem = &cmd->pages_sem; + else + sem = &cmd->sem; ktime_get_ts(&ent->ts2); memcpy(ent->out->first.data, ent->lay->out, sizeof(ent->lay->out)); dump_command(dev, ent, 0); @@ -1136,10 +1148,7 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector) } else { complete(&ent->done); } - if (ent->page_queue) - up(&cmd->pages_sem); - else - up(&cmd->sem); + up(sem); } } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index c02cbcf..443cc4d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -268,7 +268,7 @@ static int mlx5_eq_int(struct mlx5_core_dev *dev, struct mlx5_eq *eq) case MLX5_EVENT_TYPE_PAGE_REQUEST: { u16 func_id = be16_to_cpu(eqe->data.req_pages.func_id); - s16 npages = be16_to_cpu(eqe->data.req_pages.num_pages); + s32 npages = be32_to_cpu(eqe->data.req_pages.num_pages); mlx5_core_dbg(dev, "page request for func 0x%x, napges %d\n", func_id, npages); mlx5_core_req_pages_handler(dev, func_id, npages); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c index 72a5222..f012658 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c @@ -113,7 +113,7 @@ int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev, caps->log_max_srq = out->hca_cap.log_max_srqs & 0x1f; caps->local_ca_ack_delay = out->hca_cap.local_ca_ack_delay & 0x1f; caps->log_max_mcg = out->hca_cap.log_max_mcg; - caps->max_qp_mcg = be16_to_cpu(out->hca_cap.max_qp_mcg); + caps->max_qp_mcg = be32_to_cpu(out->hca_cap.max_qp_mcg) & 0xffffff; caps->max_ra_res_qp = 1 << (out->hca_cap.log_max_ra_res_qp & 0x3f); caps->max_ra_req_qp = 1 << (out->hca_cap.log_max_ra_req_qp & 0x3f); caps->max_srq_wqes = 1 << out->hca_cap.log_max_srq_sz; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index 748f10a..3e6670c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -55,33 +55,9 @@ enum { }; static DEFINE_SPINLOCK(health_lock); - static LIST_HEAD(health_list); static struct work_struct health_work; -static health_handler_t reg_handler; -int mlx5_register_health_report_handler(health_handler_t handler) -{ - spin_lock_irq(&health_lock); - if (reg_handler) { - spin_unlock_irq(&health_lock); - return -EEXIST; - } - reg_handler = handler; - spin_unlock_irq(&health_lock); - - return 0; -} -EXPORT_SYMBOL(mlx5_register_health_report_handler); - -void mlx5_unregister_health_report_handler(void) -{ - spin_lock_irq(&health_lock); - reg_handler = NULL; - spin_unlock_irq(&health_lock); -} -EXPORT_SYMBOL(mlx5_unregister_health_report_handler); - static void health_care(struct work_struct *work) { struct mlx5_core_health *health, *n; @@ -98,11 +74,8 @@ static void health_care(struct work_struct *work) priv = container_of(health, struct mlx5_priv, health); dev = container_of(priv, struct mlx5_core_dev, priv); mlx5_core_warn(dev, "handling bad device here\n"); + /* nothing yet */ spin_lock_irq(&health_lock); - if (reg_handler) - reg_handler(dev->pdev, health->health, - sizeof(health->health)); - list_del_init(&health->list); spin_unlock_irq(&health_lock); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 12242de..b47739b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -249,6 +249,44 @@ static int set_hca_ctrl(struct mlx5_core_dev *dev) return err; } +static int mlx5_core_enable_hca(struct mlx5_core_dev *dev) +{ + int err; + struct mlx5_enable_hca_mbox_in in; + struct mlx5_enable_hca_mbox_out out; + + memset(&in, 0, sizeof(in)); + memset(&out, 0, sizeof(out)); + in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ENABLE_HCA); + err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); + if (err) + return err; + + if (out.hdr.status) + return mlx5_cmd_status_to_err(&out.hdr); + + return 0; +} + +static int mlx5_core_disable_hca(struct mlx5_core_dev *dev) +{ + int err; + struct mlx5_disable_hca_mbox_in in; + struct mlx5_disable_hca_mbox_out out; + + memset(&in, 0, sizeof(in)); + memset(&out, 0, sizeof(out)); + in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DISABLE_HCA); + err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); + if (err) + return err; + + if (out.hdr.status) + return mlx5_cmd_status_to_err(&out.hdr); + + return 0; +} + int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev) { struct mlx5_priv *priv = &dev->priv; @@ -304,28 +342,41 @@ int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev) } mlx5_pagealloc_init(dev); + + err = mlx5_core_enable_hca(dev); + if (err) { + dev_err(&pdev->dev, "enable hca failed\n"); + goto err_pagealloc_cleanup; + } + + err = mlx5_satisfy_startup_pages(dev, 1); + if (err) { + dev_err(&pdev->dev, "failed to allocate boot pages\n"); + goto err_disable_hca; + } + err = set_hca_ctrl(dev); if (err) { dev_err(&pdev->dev, "set_hca_ctrl failed\n"); - goto err_pagealloc_cleanup; + goto reclaim_boot_pages; } err = handle_hca_cap(dev); if (err) { dev_err(&pdev->dev, "handle_hca_cap failed\n"); - goto err_pagealloc_cleanup; + goto reclaim_boot_pages; } - err = mlx5_satisfy_startup_pages(dev); + err = mlx5_satisfy_startup_pages(dev, 0); if (err) { - dev_err(&pdev->dev, "failed to allocate startup pages\n"); - goto err_pagealloc_cleanup; + dev_err(&pdev->dev, "failed to allocate init pages\n"); + goto reclaim_boot_pages; } err = mlx5_pagealloc_start(dev); if (err) { dev_err(&pdev->dev, "mlx5_pagealloc_start failed\n"); - goto err_reclaim_pages; + goto reclaim_boot_pages; } err = mlx5_cmd_init_hca(dev); @@ -396,9 +447,12 @@ err_stop_poll: err_pagealloc_stop: mlx5_pagealloc_stop(dev); -err_reclaim_pages: +reclaim_boot_pages: mlx5_reclaim_startup_pages(dev); +err_disable_hca: + mlx5_core_disable_hca(dev); + err_pagealloc_cleanup: mlx5_pagealloc_cleanup(dev); mlx5_cmd_cleanup(dev); @@ -434,6 +488,7 @@ void mlx5_dev_cleanup(struct mlx5_core_dev *dev) mlx5_cmd_teardown_hca(dev); mlx5_pagealloc_stop(dev); mlx5_reclaim_startup_pages(dev); + mlx5_core_disable_hca(dev); mlx5_pagealloc_cleanup(dev); mlx5_cmd_cleanup(dev); iounmap(dev->iseg); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c index f0bf463..3a2408d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c @@ -43,10 +43,16 @@ enum { MLX5_PAGES_TAKE = 2 }; +enum { + MLX5_BOOT_PAGES = 1, + MLX5_INIT_PAGES = 2, + MLX5_POST_INIT_PAGES = 3 +}; + struct mlx5_pages_req { struct mlx5_core_dev *dev; u32 func_id; - s16 npages; + s32 npages; struct work_struct work; }; @@ -64,27 +70,23 @@ struct mlx5_query_pages_inbox { struct mlx5_query_pages_outbox { struct mlx5_outbox_hdr hdr; - u8 reserved[2]; + __be16 rsvd; __be16 func_id; - __be16 init_pages; - __be16 num_pages; + __be32 num_pages; }; struct mlx5_manage_pages_inbox { struct mlx5_inbox_hdr hdr; - __be16 rsvd0; + __be16 rsvd; __be16 func_id; - __be16 rsvd1; - __be16 num_entries; - u8 rsvd2[16]; + __be32 num_entries; __be64 pas[0]; }; struct mlx5_manage_pages_outbox { struct mlx5_outbox_hdr hdr; - u8 rsvd0[2]; - __be16 num_entries; - u8 rsvd1[20]; + __be32 num_entries; + u8 rsvd[4]; __be64 pas[0]; }; @@ -146,7 +148,7 @@ static struct page *remove_page(struct mlx5_core_dev *dev, u64 addr) } static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id, - s16 *pages, s16 *init_pages) + s32 *npages, int boot) { struct mlx5_query_pages_inbox in; struct mlx5_query_pages_outbox out; @@ -155,6 +157,8 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id, memset(&in, 0, sizeof(in)); memset(&out, 0, sizeof(out)); in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_PAGES); + in.hdr.opmod = boot ? cpu_to_be16(MLX5_BOOT_PAGES) : cpu_to_be16(MLX5_INIT_PAGES); + err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); if (err) return err; @@ -162,10 +166,7 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id, if (out.hdr.status) return mlx5_cmd_status_to_err(&out.hdr); - if (pages) - *pages = be16_to_cpu(out.num_pages); - if (init_pages) - *init_pages = be16_to_cpu(out.init_pages); + *npages = be32_to_cpu(out.num_pages); *func_id = be16_to_cpu(out.func_id); return err; @@ -219,7 +220,7 @@ static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages, in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES); in->hdr.opmod = cpu_to_be16(MLX5_PAGES_GIVE); in->func_id = cpu_to_be16(func_id); - in->num_entries = cpu_to_be16(npages); + in->num_entries = cpu_to_be32(npages); err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out)); mlx5_core_dbg(dev, "err %d\n", err); if (err) { @@ -287,7 +288,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages, in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES); in.hdr.opmod = cpu_to_be16(MLX5_PAGES_TAKE); in.func_id = cpu_to_be16(func_id); - in.num_entries = cpu_to_be16(npages); + in.num_entries = cpu_to_be32(npages); mlx5_core_dbg(dev, "npages %d, outlen %d\n", npages, outlen); err = mlx5_cmd_exec(dev, &in, sizeof(in), out, outlen); if (err) { @@ -301,7 +302,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages, goto out_free; } - num_claimed = be16_to_cpu(out->num_entries); + num_claimed = be32_to_cpu(out->num_entries); if (nclaimed) *nclaimed = num_claimed; @@ -340,7 +341,7 @@ static void pages_work_handler(struct work_struct *work) } void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, - s16 npages) + s32 npages) { struct mlx5_pages_req *req; @@ -357,19 +358,20 @@ void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, queue_work(dev->priv.pg_wq, &req->work); } -int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev) +int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot) { - s16 uninitialized_var(init_pages); u16 uninitialized_var(func_id); + s32 uninitialized_var(npages); int err; - err = mlx5_cmd_query_pages(dev, &func_id, NULL, &init_pages); + err = mlx5_cmd_query_pages(dev, &func_id, &npages, boot); if (err) return err; - mlx5_core_dbg(dev, "requested %d init pages for func_id 0x%x\n", init_pages, func_id); + mlx5_core_dbg(dev, "requested %d %s pages for func_id 0x%x\n", + npages, boot ? "boot" : "init", func_id); - return give_pages(dev, func_id, init_pages, 0); + return give_pages(dev, func_id, npages, 0); } static int optimal_reclaimed_pages(void) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c index 71d4a39..68f5d9c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c @@ -164,6 +164,7 @@ int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari) uuari->uars[i].map = ioremap(addr, PAGE_SIZE); if (!uuari->uars[i].map) { mlx5_cmd_free_uar(dev, uuari->uars[i].index); + err = -ENOMEM; goto out_count; } mlx5_core_dbg(dev, "allocated uar index 0x%x, mmaped at %p\n", diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig b/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig index cb22341..a588ffd 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig +++ b/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig @@ -4,7 +4,7 @@ config PCH_GBE tristate "OKI SEMICONDUCTOR IOH(ML7223/ML7831) GbE" - depends on PCI + depends on PCI && (X86 || COMPILE_TEST) select MII select PTP_1588_CLOCK_PCH ---help--- diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index b00cf56..221645e 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -1400,8 +1400,8 @@ void qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *, u64, u64); #define ADDR_IN_RANGE(addr, low, high) \ (((addr) < (high)) && ((addr) >= (low))) -#define QLCRD32(adapter, off) \ - (adapter->ahw->hw_ops->read_reg)(adapter, off) +#define QLCRD32(adapter, off, err) \ + (adapter->ahw->hw_ops->read_reg)(adapter, off, err) #define QLCWR32(adapter, off, val) \ adapter->ahw->hw_ops->write_reg(adapter, off, val) @@ -1604,7 +1604,7 @@ struct qlcnic_nic_template { struct qlcnic_hardware_ops { void (*read_crb) (struct qlcnic_adapter *, char *, loff_t, size_t); void (*write_crb) (struct qlcnic_adapter *, char *, loff_t, size_t); - int (*read_reg) (struct qlcnic_adapter *, ulong); + int (*read_reg) (struct qlcnic_adapter *, ulong, int *); int (*write_reg) (struct qlcnic_adapter *, ulong, u32); void (*get_ocm_win) (struct qlcnic_hardware_context *); int (*get_mac_address) (struct qlcnic_adapter *, u8 *); @@ -1662,12 +1662,6 @@ static inline void qlcnic_write_crb(struct qlcnic_adapter *adapter, char *buf, adapter->ahw->hw_ops->write_crb(adapter, buf, offset, size); } -static inline int qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, - ulong off) -{ - return adapter->ahw->hw_ops->read_reg(adapter, off); -} - static inline int qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data) { @@ -1869,7 +1863,8 @@ static inline void qlcnic_free_mac_list(struct qlcnic_adapter *adapter) static inline void qlcnic_set_mac_filter_count(struct qlcnic_adapter *adapter) { - adapter->ahw->hw_ops->set_mac_filter_count(adapter); + if (adapter->ahw->hw_ops->set_mac_filter_count) + adapter->ahw->hw_ops->set_mac_filter_count(adapter); } static inline void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter, diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index 0913c62..9d4bb7f 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -228,17 +228,17 @@ static int __qlcnic_set_win_base(struct qlcnic_adapter *adapter, u32 addr) return 0; } -int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr) +int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, + int *err) { - int ret; struct qlcnic_hardware_context *ahw = adapter->ahw; - ret = __qlcnic_set_win_base(adapter, (u32) addr); - if (!ret) { + *err = __qlcnic_set_win_base(adapter, (u32) addr); + if (!*err) { return QLCRDX(ahw, QLCNIC_WILDCARD); } else { dev_err(&adapter->pdev->dev, - "%s failed, addr = 0x%x\n", __func__, (int)addr); + "%s failed, addr = 0x%lx\n", __func__, addr); return -EIO; } } @@ -561,7 +561,7 @@ void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter) void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, loff_t offset, size_t size) { - int ret; + int ret = 0; u32 data; if (qlcnic_api_lock(adapter)) { @@ -571,7 +571,7 @@ void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, return; } - ret = qlcnic_83xx_rd_reg_indirect(adapter, (u32) offset); + data = QLCRD32(adapter, (u32) offset, &ret); qlcnic_api_unlock(adapter); if (ret == -EIO) { @@ -580,7 +580,6 @@ void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, __func__, (u32)offset); return; } - data = ret; memcpy(buf, &data, size); } @@ -2075,18 +2074,25 @@ void qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter) static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, u32 data[]) { + struct qlcnic_hardware_context *ahw = adapter->ahw; u8 link_status, duplex; /* link speed */ link_status = LSB(data[3]) & 1; - adapter->ahw->link_speed = MSW(data[2]); - adapter->ahw->link_autoneg = MSB(MSW(data[3])); - adapter->ahw->module_type = MSB(LSW(data[3])); - duplex = LSB(MSW(data[3])); - if (duplex) - adapter->ahw->link_duplex = DUPLEX_FULL; - else - adapter->ahw->link_duplex = DUPLEX_HALF; - adapter->ahw->has_link_events = 1; + if (link_status) { + ahw->link_speed = MSW(data[2]); + duplex = LSB(MSW(data[3])); + if (duplex) + ahw->link_duplex = DUPLEX_FULL; + else + ahw->link_duplex = DUPLEX_HALF; + } else { + ahw->link_speed = SPEED_UNKNOWN; + ahw->link_duplex = DUPLEX_UNKNOWN; + } + + ahw->link_autoneg = MSB(MSW(data[3])); + ahw->module_type = MSB(LSW(data[3])); + ahw->has_link_events = 1; qlcnic_advert_link_change(adapter, link_status); } @@ -2384,9 +2390,9 @@ int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, u8 *p_data, int count) { - int i, ret; - u32 word, range, flash_offset, addr = flash_addr; + u32 word, range, flash_offset, addr = flash_addr, ret; ulong indirect_add, direct_window; + int i, err = 0; flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1); if (addr & 0x3) { @@ -2404,10 +2410,9 @@ int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, /* Multi sector read */ for (i = 0; i < count; i++) { indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); - ret = qlcnic_83xx_rd_reg_indirect(adapter, - indirect_add); - if (ret == -EIO) - return -EIO; + ret = QLCRD32(adapter, indirect_add, &err); + if (err == -EIO) + return err; word = ret; *(u32 *)p_data = word; @@ -2428,10 +2433,9 @@ int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, /* Single sector read */ for (i = 0; i < count; i++) { indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); - ret = qlcnic_83xx_rd_reg_indirect(adapter, - indirect_add); - if (ret == -EIO) - return -EIO; + ret = QLCRD32(adapter, indirect_add, &err); + if (err == -EIO) + return err; word = ret; *(u32 *)p_data = word; @@ -2447,10 +2451,13 @@ static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter) { u32 status; int retries = QLC_83XX_FLASH_READ_RETRY_COUNT; + int err = 0; do { - status = qlcnic_83xx_rd_reg_indirect(adapter, - QLC_83XX_FLASH_STATUS); + status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err); + if (err == -EIO) + return err; + if ((status & QLC_83XX_FLASH_STATUS_READY) == QLC_83XX_FLASH_STATUS_READY) break; @@ -2502,7 +2509,8 @@ int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter) int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter) { - int ret, mfg_id; + int ret, err = 0; + u32 mfg_id; if (qlcnic_83xx_lock_flash(adapter)) return -EIO; @@ -2517,9 +2525,11 @@ int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter) return -EIO; } - mfg_id = qlcnic_83xx_rd_reg_indirect(adapter, QLC_83XX_FLASH_RDDATA); - if (mfg_id == -EIO) - return -EIO; + mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); + if (err == -EIO) { + qlcnic_83xx_unlock_flash(adapter); + return err; + } adapter->flash_mfg_id = (mfg_id & 0xFF); qlcnic_83xx_unlock_flash(adapter); @@ -2636,7 +2646,7 @@ int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, u32 *p_data, int count) { u32 temp; - int ret = -EIO; + int ret = -EIO, err = 0; if ((count < QLC_83XX_FLASH_WRITE_MIN) || (count > QLC_83XX_FLASH_WRITE_MAX)) { @@ -2645,8 +2655,10 @@ int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, return -EIO; } - temp = qlcnic_83xx_rd_reg_indirect(adapter, - QLC_83XX_FLASH_SPI_CONTROL); + temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); + if (err == -EIO) + return err; + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL, (temp | QLC_83XX_FLASH_SPI_CTRL)); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, @@ -2695,13 +2707,18 @@ int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, return -EIO; } - ret = qlcnic_83xx_rd_reg_indirect(adapter, QLC_83XX_FLASH_SPI_STATUS); + ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err); + if (err == -EIO) + return err; + if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) { dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); /* Operation failed, clear error bit */ - temp = qlcnic_83xx_rd_reg_indirect(adapter, - QLC_83XX_FLASH_SPI_CONTROL); + temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); + if (err == -EIO) + return err; + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL, (temp | QLC_83XX_FLASH_SPI_CTRL)); @@ -2823,6 +2840,7 @@ int qlcnic_83xx_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, { int i, j, ret = 0; u32 temp; + int err = 0; /* Check alignment */ if (addr & 0xF) @@ -2855,8 +2873,12 @@ int qlcnic_83xx_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, QLCNIC_TA_WRITE_START); for (j = 0; j < MAX_CTL_CHECK; j++) { - temp = qlcnic_83xx_rd_reg_indirect(adapter, - QLCNIC_MS_CTRL); + temp = QLCRD32(adapter, QLCNIC_MS_CTRL, &err); + if (err == -EIO) { + mutex_unlock(&adapter->ahw->mem_lock); + return err; + } + if ((temp & TA_CTL_BUSY) == 0) break; } @@ -2878,9 +2900,9 @@ int qlcnic_83xx_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, u8 *p_data, int count) { - int i, ret; - u32 word, addr = flash_addr; + u32 word, addr = flash_addr, ret; ulong indirect_addr; + int i, err = 0; if (qlcnic_83xx_lock_flash(adapter) != 0) return -EIO; @@ -2900,10 +2922,10 @@ int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, } indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr); - ret = qlcnic_83xx_rd_reg_indirect(adapter, - indirect_addr); - if (ret == -EIO) - return -EIO; + ret = QLCRD32(adapter, indirect_addr, &err); + if (err == -EIO) + return err; + word = ret; *(u32 *)p_data = word; p_data = p_data + 4; @@ -3014,8 +3036,8 @@ int qlcnic_83xx_get_settings(struct qlcnic_adapter *adapter, } if (ahw->port_type == QLCNIC_XGBE) { - ecmd->supported = SUPPORTED_1000baseT_Full; - ecmd->advertising = ADVERTISED_1000baseT_Full; + ecmd->supported = SUPPORTED_10000baseT_Full; + ecmd->advertising = ADVERTISED_10000baseT_Full; } else { ecmd->supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | @@ -3244,6 +3266,11 @@ int qlcnic_83xx_interrupt_test(struct net_device *netdev) u8 val; int ret, max_sds_rings = adapter->max_sds_rings; + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, "Device is resetting\n"); + return -EBUSY; + } + if (qlcnic_get_diag_lock(adapter)) { netdev_info(netdev, "Device in diagnostics mode\n"); return -EBUSY; @@ -3369,7 +3396,8 @@ int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter, static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter) { - int ret; + int ret, err = 0; + u32 temp; qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, QLC_83XX_FLASH_OEM_READ_SIG); @@ -3379,8 +3407,11 @@ static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter) if (ret) return -EIO; - ret = qlcnic_83xx_rd_reg_indirect(adapter, QLC_83XX_FLASH_RDDATA); - return ret & 0xFF; + temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); + if (err == -EIO) + return err; + + return temp & 0xFF; } int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h index 2548d14..272f56a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h @@ -508,7 +508,7 @@ void qlcnic_83xx_add_sysfs(struct qlcnic_adapter *); void qlcnic_83xx_remove_sysfs(struct qlcnic_adapter *); void qlcnic_83xx_write_crb(struct qlcnic_adapter *, char *, loff_t, size_t); void qlcnic_83xx_read_crb(struct qlcnic_adapter *, char *, loff_t, size_t); -int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *, ulong); +int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *, ulong, int *); int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *, ulong, u32); void qlcnic_83xx_process_rcv_diag(struct qlcnic_adapter *, int, u64 []); int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *, u32); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c index f41dfab..345d987 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c @@ -629,7 +629,8 @@ int qlcnic_83xx_idc_reattach_driver(struct qlcnic_adapter *adapter) return -EIO; } - qlcnic_set_drv_version(adapter); + if (adapter->portnum == 0) + qlcnic_set_drv_version(adapter); qlcnic_83xx_idc_attach_driver(adapter); return 0; @@ -1303,8 +1304,11 @@ static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) { int i, j; u32 val = 0, val1 = 0, reg = 0; + int err = 0; - val = QLCRD32(adapter, QLC_83XX_SRE_SHIM_REG); + val = QLCRD32(adapter, QLC_83XX_SRE_SHIM_REG, &err); + if (err == -EIO) + return; dev_info(&adapter->pdev->dev, "SRE-Shim Ctrl:0x%x\n", val); for (j = 0; j < 2; j++) { @@ -1318,7 +1322,9 @@ static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) reg = QLC_83XX_PORT1_THRESHOLD; } for (i = 0; i < 8; i++) { - val = QLCRD32(adapter, reg + (i * 0x4)); + val = QLCRD32(adapter, reg + (i * 0x4), &err); + if (err == -EIO) + return; dev_info(&adapter->pdev->dev, "0x%x ", val); } dev_info(&adapter->pdev->dev, "\n"); @@ -1335,8 +1341,10 @@ static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) reg = QLC_83XX_PORT1_TC_MC_REG; } for (i = 0; i < 4; i++) { - val = QLCRD32(adapter, reg + (i * 0x4)); - dev_info(&adapter->pdev->dev, "0x%x ", val); + val = QLCRD32(adapter, reg + (i * 0x4), &err); + if (err == -EIO) + return; + dev_info(&adapter->pdev->dev, "0x%x ", val); } dev_info(&adapter->pdev->dev, "\n"); } @@ -1352,17 +1360,25 @@ static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) reg = QLC_83XX_PORT1_TC_STATS; } for (i = 7; i >= 0; i--) { - val = QLCRD32(adapter, reg); + val = QLCRD32(adapter, reg, &err); + if (err == -EIO) + return; val &= ~(0x7 << 29); /* Reset bits 29 to 31 */ QLCWR32(adapter, reg, (val | (i << 29))); - val = QLCRD32(adapter, reg); + val = QLCRD32(adapter, reg, &err); + if (err == -EIO) + return; dev_info(&adapter->pdev->dev, "0x%x ", val); } dev_info(&adapter->pdev->dev, "\n"); } - val = QLCRD32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD); - val1 = QLCRD32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD); + val = QLCRD32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD, &err); + if (err == -EIO) + return; + val1 = QLCRD32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD, &err); + if (err == -EIO) + return; dev_info(&adapter->pdev->dev, "IFB-Pause Thresholds: Port 2:0x%x, Port 3:0x%x\n", val, val1); @@ -1425,7 +1441,7 @@ static void qlcnic_83xx_take_eport_out_of_reset(struct qlcnic_adapter *adapter) static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) { u32 heartbeat, peg_status; - int retries, ret = -EIO; + int retries, ret = -EIO, err = 0; retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; p_dev->heartbeat = QLC_SHARED_REG_RD32(p_dev, @@ -1453,11 +1469,11 @@ static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" "PEG_NET_4_PC: 0x%x\n", peg_status, QLC_SHARED_REG_RD32(p_dev, QLCNIC_PEG_HALT_STATUS2), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_0), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_1), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_2), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_3), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_4)); + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_0, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_1, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_2, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_3, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_4, &err)); if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) dev_err(&p_dev->pdev->dev, @@ -1501,18 +1517,22 @@ int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev) static int qlcnic_83xx_poll_reg(struct qlcnic_adapter *p_dev, u32 addr, int duration, u32 mask, u32 status) { + int timeout_error, err = 0; u32 value; - int timeout_error; u8 retries; - value = qlcnic_83xx_rd_reg_indirect(p_dev, addr); + value = QLCRD32(p_dev, addr, &err); + if (err == -EIO) + return err; retries = duration / 10; do { if ((value & mask) != status) { timeout_error = 1; msleep(duration / 10); - value = qlcnic_83xx_rd_reg_indirect(p_dev, addr); + value = QLCRD32(p_dev, addr, &err); + if (err == -EIO) + return err; } else { timeout_error = 0; break; @@ -1606,9 +1626,12 @@ int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *p_dev) static void qlcnic_83xx_read_write_crb_reg(struct qlcnic_adapter *p_dev, u32 raddr, u32 waddr) { - int value; + int err = 0; + u32 value; - value = qlcnic_83xx_rd_reg_indirect(p_dev, raddr); + value = QLCRD32(p_dev, raddr, &err); + if (err == -EIO) + return; qlcnic_83xx_wrt_reg_indirect(p_dev, waddr, value); } @@ -1617,12 +1640,16 @@ static void qlcnic_83xx_rmw_crb_reg(struct qlcnic_adapter *p_dev, u32 raddr, u32 waddr, struct qlc_83xx_rmw *p_rmw_hdr) { - int value; + int err = 0; + u32 value; - if (p_rmw_hdr->index_a) + if (p_rmw_hdr->index_a) { value = p_dev->ahw->reset.array[p_rmw_hdr->index_a]; - else - value = qlcnic_83xx_rd_reg_indirect(p_dev, raddr); + } else { + value = QLCRD32(p_dev, raddr, &err); + if (err == -EIO) + return; + } value &= p_rmw_hdr->mask; value <<= p_rmw_hdr->shl; @@ -1675,7 +1702,7 @@ static void qlcnic_83xx_poll_list(struct qlcnic_adapter *p_dev, long delay; struct qlc_83xx_entry *entry; struct qlc_83xx_poll *poll; - int i; + int i, err = 0; unsigned long arg1, arg2; poll = (struct qlc_83xx_poll *)((char *)p_hdr + @@ -1699,10 +1726,12 @@ static void qlcnic_83xx_poll_list(struct qlcnic_adapter *p_dev, arg1, delay, poll->mask, poll->status)){ - qlcnic_83xx_rd_reg_indirect(p_dev, - arg1); - qlcnic_83xx_rd_reg_indirect(p_dev, - arg2); + QLCRD32(p_dev, arg1, &err); + if (err == -EIO) + return; + QLCRD32(p_dev, arg2, &err); + if (err == -EIO) + return; } } } @@ -1768,7 +1797,7 @@ static void qlcnic_83xx_poll_read_list(struct qlcnic_adapter *p_dev, struct qlc_83xx_entry_hdr *p_hdr) { long delay; - int index, i, j; + int index, i, j, err; struct qlc_83xx_quad_entry *entry; struct qlc_83xx_poll *poll; unsigned long addr; @@ -1788,7 +1817,10 @@ static void qlcnic_83xx_poll_read_list(struct qlcnic_adapter *p_dev, poll->mask, poll->status)){ index = p_dev->ahw->reset.array_index; addr = entry->dr_addr; - j = qlcnic_83xx_rd_reg_indirect(p_dev, addr); + j = QLCRD32(p_dev, addr, &err); + if (err == -EIO) + return; + p_dev->ahw->reset.array[index++] = j; if (index == QLC_83XX_MAX_RESET_SEQ_ENTRIES) @@ -2123,6 +2155,8 @@ int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac) set_bit(QLC_83XX_MBX_READY, &adapter->ahw->idc.status); qlcnic_83xx_clear_function_resources(adapter); + INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); + /* register for NIC IDC AEN Events */ qlcnic_83xx_register_nic_idc_func(adapter, 1); @@ -2140,8 +2174,6 @@ int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac) if (adapter->nic_ops->init_driver(adapter)) return -EIO; - INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); - /* Periodically monitor device status */ qlcnic_83xx_idc_poll_dev_state(&adapter->fw_work.work); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c index 0581a48..d09389b 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c @@ -104,7 +104,7 @@ static u32 qlcnic_poll_rsp(struct qlcnic_adapter *adapter) { u32 rsp; - int timeout = 0; + int timeout = 0, err = 0; do { /* give atleast 1ms for firmware to respond */ @@ -113,7 +113,7 @@ qlcnic_poll_rsp(struct qlcnic_adapter *adapter) if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT) return QLCNIC_CDRP_RSP_TIMEOUT; - rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET); + rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err); } while (!QLCNIC_CDRP_IS_RSP(rsp)); return rsp; @@ -122,7 +122,7 @@ qlcnic_poll_rsp(struct qlcnic_adapter *adapter) int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { - int i; + int i, err = 0; u32 rsp; u32 signature; struct pci_dev *pdev = adapter->pdev; @@ -148,7 +148,7 @@ int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter, dev_err(&pdev->dev, "card response timeout.\n"); cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT; } else if (rsp == QLCNIC_CDRP_RSP_FAIL) { - cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1)); + cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err); switch (cmd->rsp.arg[0]) { case QLCNIC_RCODE_INVALID_ARGS: fmt = "CDRP invalid args: [%d]\n"; @@ -175,7 +175,7 @@ int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter, cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS; for (i = 1; i < cmd->rsp.num; i++) - cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i)); + cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err); /* Release semaphore */ qlcnic_api_unlock(adapter); @@ -210,10 +210,10 @@ int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd) if (err) { dev_info(&adapter->pdev->dev, "Failed to set driver version in firmware\n"); - return -EIO; + err = -EIO; } - - return 0; + qlcnic_free_mbx_args(&cmd); + return err; } int diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index 700a463..7aac23a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -150,6 +150,7 @@ static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = { "Link_Test_on_offline", "Interrupt_Test_offline", "Internal_Loopback_offline", + "External_Loopback_offline", "EEPROM_Test_offline" }; @@ -266,7 +267,7 @@ int qlcnic_82xx_get_settings(struct qlcnic_adapter *adapter, { struct qlcnic_hardware_context *ahw = adapter->ahw; u32 speed, reg; - int check_sfp_module = 0; + int check_sfp_module = 0, err = 0; u16 pcifn = ahw->pci_func; /* read which mode */ @@ -289,7 +290,7 @@ int qlcnic_82xx_get_settings(struct qlcnic_adapter *adapter, } else if (adapter->ahw->port_type == QLCNIC_XGBE) { u32 val = 0; - val = QLCRD32(adapter, QLCNIC_PORT_MODE_ADDR); + val = QLCRD32(adapter, QLCNIC_PORT_MODE_ADDR, &err); if (val == QLCNIC_PORT_MODE_802_3_AP) { ecmd->supported = SUPPORTED_1000baseT_Full; @@ -300,9 +301,13 @@ int qlcnic_82xx_get_settings(struct qlcnic_adapter *adapter, } if (netif_running(adapter->netdev) && ahw->has_link_events) { - reg = QLCRD32(adapter, P3P_LINK_SPEED_REG(pcifn)); - speed = P3P_LINK_SPEED_VAL(pcifn, reg); - ahw->link_speed = speed * P3P_LINK_SPEED_MHZ; + if (ahw->linkup) { + reg = QLCRD32(adapter, + P3P_LINK_SPEED_REG(pcifn), &err); + speed = P3P_LINK_SPEED_VAL(pcifn, reg); + ahw->link_speed = speed * P3P_LINK_SPEED_MHZ; + } + ethtool_cmd_speed_set(ecmd, ahw->link_speed); ecmd->autoneg = ahw->link_autoneg; ecmd->duplex = ahw->link_duplex; @@ -463,13 +468,14 @@ static int qlcnic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) static int qlcnic_82xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff) { - int i, j = 0; + int i, j = 0, err = 0; for (i = QLCNIC_DEV_INFO_SIZE + 1; diag_registers[j] != -1; j++, i++) regs_buff[i] = QLC_SHARED_REG_RD32(adapter, diag_registers[j]); j = 0; while (ext_diag_registers[j] != -1) - regs_buff[i++] = QLCRD32(adapter, ext_diag_registers[j++]); + regs_buff[i++] = QLCRD32(adapter, ext_diag_registers[j++], + &err); return i; } @@ -519,13 +525,16 @@ qlcnic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) static u32 qlcnic_test_link(struct net_device *dev) { struct qlcnic_adapter *adapter = netdev_priv(dev); + int err = 0; u32 val; if (qlcnic_83xx_check(adapter)) { val = qlcnic_83xx_test_link(adapter); return (val & 1) ? 0 : 1; } - val = QLCRD32(adapter, CRB_XG_STATE_P3P); + val = QLCRD32(adapter, CRB_XG_STATE_P3P, &err); + if (err == -EIO) + return err; val = XG_LINK_STATE_P3P(adapter->ahw->pci_func, val); return (val == XG_LINK_UP_P3P) ? 0 : 1; } @@ -658,6 +667,7 @@ qlcnic_get_pauseparam(struct net_device *netdev, { struct qlcnic_adapter *adapter = netdev_priv(netdev); int port = adapter->ahw->physical_port; + int err = 0; __u32 val; if (qlcnic_83xx_check(adapter)) { @@ -668,9 +678,13 @@ qlcnic_get_pauseparam(struct net_device *netdev, if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS)) return; /* get flow control settings */ - val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port)); + val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err); + if (err == -EIO) + return; pause->rx_pause = qlcnic_gb_get_rx_flowctl(val); - val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL); + val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err); + if (err == -EIO) + return; switch (port) { case 0: pause->tx_pause = !(qlcnic_gb_get_gb0_mask(val)); @@ -690,7 +704,9 @@ qlcnic_get_pauseparam(struct net_device *netdev, if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS)) return; pause->rx_pause = 1; - val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL); + val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err); + if (err == -EIO) + return; if (port == 0) pause->tx_pause = !(qlcnic_xg_get_xg0_mask(val)); else @@ -707,6 +723,7 @@ qlcnic_set_pauseparam(struct net_device *netdev, { struct qlcnic_adapter *adapter = netdev_priv(netdev); int port = adapter->ahw->physical_port; + int err = 0; __u32 val; if (qlcnic_83xx_check(adapter)) @@ -717,7 +734,9 @@ qlcnic_set_pauseparam(struct net_device *netdev, if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS)) return -EIO; /* set flow control */ - val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port)); + val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err); + if (err == -EIO) + return err; if (pause->rx_pause) qlcnic_gb_rx_flowctl(val); @@ -728,7 +747,9 @@ qlcnic_set_pauseparam(struct net_device *netdev, val); QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), val); /* set autoneg */ - val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL); + val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err); + if (err == -EIO) + return err; switch (port) { case 0: if (pause->tx_pause) @@ -764,7 +785,9 @@ qlcnic_set_pauseparam(struct net_device *netdev, if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS)) return -EIO; - val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL); + val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err); + if (err == -EIO) + return err; if (port == 0) { if (pause->tx_pause) qlcnic_xg_unset_xg0_mask(val); @@ -788,11 +811,14 @@ static int qlcnic_reg_test(struct net_device *dev) { struct qlcnic_adapter *adapter = netdev_priv(dev); u32 data_read; + int err = 0; if (qlcnic_83xx_check(adapter)) return qlcnic_83xx_reg_test(adapter); - data_read = QLCRD32(adapter, QLCNIC_PCIX_PH_REG(0)); + data_read = QLCRD32(adapter, QLCNIC_PCIX_PH_REG(0), &err); + if (err == -EIO) + return err; if ((data_read & 0xffff) != adapter->pdev->vendor) return 1; @@ -1026,8 +1052,15 @@ qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test, if (data[3]) eth_test->flags |= ETH_TEST_FL_FAILED; - data[4] = qlcnic_eeprom_test(dev); - if (data[4]) + if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) { + data[4] = qlcnic_loopback_test(dev, QLCNIC_ELB_MODE); + if (data[4]) + eth_test->flags |= ETH_TEST_FL_FAILED; + eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; + } + + data[5] = qlcnic_eeprom_test(dev); + if (data[5]) eth_test->flags |= ETH_TEST_FL_FAILED; } } @@ -1257,17 +1290,20 @@ qlcnic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct qlcnic_adapter *adapter = netdev_priv(dev); u32 wol_cfg; + int err = 0; if (qlcnic_83xx_check(adapter)) return; wol->supported = 0; wol->wolopts = 0; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); + if (err == -EIO) + return; if (wol_cfg & (1UL << adapter->portnum)) wol->supported |= WAKE_MAGIC; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); if (wol_cfg & (1UL << adapter->portnum)) wol->wolopts |= WAKE_MAGIC; } @@ -1277,17 +1313,22 @@ qlcnic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct qlcnic_adapter *adapter = netdev_priv(dev); u32 wol_cfg; + int err = 0; if (qlcnic_83xx_check(adapter)) return -EOPNOTSUPP; if (wol->wolopts & ~WAKE_MAGIC) return -EINVAL; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); + if (err == -EIO) + return err; if (!(wol_cfg & (1 << adapter->portnum))) return -EOPNOTSUPP; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); + if (err == -EIO) + return err; if (wol->wolopts & WAKE_MAGIC) wol_cfg |= 1UL << adapter->portnum; else @@ -1540,7 +1581,7 @@ qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val) return 0; case QLCNIC_SET_QUIESCENT: case QLCNIC_RESET_QUIESCENT: - state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) netdev_info(netdev, "Device in FAILED state\n"); return 0; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c index 5b5d2ed..4d5f59b 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -317,16 +317,20 @@ static void qlcnic_write_window_reg(u32 addr, void __iomem *bar0, u32 data) int qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) { - int done = 0, timeout = 0; + int timeout = 0; + int err = 0; + u32 done = 0; while (!done) { - done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem))); + done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)), + &err); if (done == 1) break; if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) { dev_err(&adapter->pdev->dev, "Failed to acquire sem=%d lock; holdby=%d\n", - sem, id_reg ? QLCRD32(adapter, id_reg) : -1); + sem, + id_reg ? QLCRD32(adapter, id_reg, &err) : -1); return -EIO; } msleep(1); @@ -341,19 +345,22 @@ qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) void qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem) { - QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem))); + int err = 0; + + QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem)), &err); } int qlcnic_ind_rd(struct qlcnic_adapter *adapter, u32 addr) { + int err = 0; u32 data; if (qlcnic_82xx_check(adapter)) qlcnic_read_window_reg(addr, adapter->ahw->pci_base0, &data); else { - data = qlcnic_83xx_rd_reg_indirect(adapter, addr); - if (data == -EIO) - return -EIO; + data = QLCRD32(adapter, addr, &err); + if (err == -EIO) + return err; } return data; } @@ -516,20 +523,18 @@ void __qlcnic_set_multi(struct net_device *netdev, u16 vlan) if (netdev->flags & IFF_PROMISC) { if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) mode = VPORT_MISS_MODE_ACCEPT_ALL; - } else if (netdev->flags & IFF_ALLMULTI) { - if (netdev_mc_count(netdev) > ahw->max_mc_count) { - mode = VPORT_MISS_MODE_ACCEPT_MULTI; - } else if (!netdev_mc_empty(netdev) && - !qlcnic_sriov_vf_check(adapter)) { - netdev_for_each_mc_addr(ha, netdev) - qlcnic_nic_add_mac(adapter, ha->addr, - vlan); - } - if (mode != VPORT_MISS_MODE_ACCEPT_MULTI && - qlcnic_sriov_vf_check(adapter)) - qlcnic_vf_add_mc_list(netdev, vlan); + } else if ((netdev->flags & IFF_ALLMULTI) || + (netdev_mc_count(netdev) > ahw->max_mc_count)) { + mode = VPORT_MISS_MODE_ACCEPT_MULTI; + } else if (!netdev_mc_empty(netdev) && + !qlcnic_sriov_vf_check(adapter)) { + netdev_for_each_mc_addr(ha, netdev) + qlcnic_nic_add_mac(adapter, ha->addr, vlan); } + if (qlcnic_sriov_vf_check(adapter)) + qlcnic_vf_add_mc_list(netdev, vlan); + /* configure unicast MAC address, if there is not sufficient space * to store all the unicast addresses then enable promiscuous mode */ @@ -1161,7 +1166,8 @@ int qlcnic_82xx_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, return -EIO; } -int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off) +int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off, + int *err) { unsigned long flags; int rv; @@ -1417,7 +1423,7 @@ int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) int qlcnic_82xx_get_board_info(struct qlcnic_adapter *adapter) { - int offset, board_type, magic; + int offset, board_type, magic, err = 0; struct pci_dev *pdev = adapter->pdev; offset = QLCNIC_FW_MAGIC_OFFSET; @@ -1437,7 +1443,9 @@ int qlcnic_82xx_get_board_info(struct qlcnic_adapter *adapter) adapter->ahw->board_type = board_type; if (board_type == QLCNIC_BRDTYPE_P3P_4_GB_MM) { - u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I); + u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I, &err); + if (err == -EIO) + return err; if ((gpio & 0x8000) == 0) board_type = QLCNIC_BRDTYPE_P3P_10G_TP; } @@ -1477,10 +1485,13 @@ int qlcnic_wol_supported(struct qlcnic_adapter *adapter) { u32 wol_cfg; + int err = 0; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); if (wol_cfg & (1UL << adapter->portnum)) { - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); + if (err == -EIO) + return err; if (wol_cfg & (1 << adapter->portnum)) return 1; } @@ -1541,6 +1552,7 @@ void qlcnic_82xx_get_func_no(struct qlcnic_adapter *adapter) void qlcnic_82xx_read_crb(struct qlcnic_adapter *adapter, char *buf, loff_t offset, size_t size) { + int err = 0; u32 data; u64 qmdata; @@ -1548,7 +1560,7 @@ void qlcnic_82xx_read_crb(struct qlcnic_adapter *adapter, char *buf, qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); memcpy(buf, &qmdata, size); } else { - data = QLCRD32(adapter, offset); + data = QLCRD32(adapter, offset, &err); memcpy(buf, &data, size); } } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h index 2c22504..4a71b28 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h @@ -154,7 +154,7 @@ struct qlcnic_hardware_context; struct qlcnic_adapter; int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); -int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong); +int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong, int *); int qlcnic_82xx_hw_write_wx_2M(struct qlcnic_adapter *, ulong, u32); int qlcnic_82xx_config_hw_lro(struct qlcnic_adapter *adapter, int); int qlcnic_82xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c index d28336f..974d626 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c @@ -142,7 +142,7 @@ void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter) buffrag->length, PCI_DMA_TODEVICE); buffrag->dma = 0ULL; } - for (j = 0; j < cmd_buf->frag_count; j++) { + for (j = 1; j < cmd_buf->frag_count; j++) { buffrag++; if (buffrag->dma) { pci_unmap_page(adapter->pdev, buffrag->dma, @@ -286,10 +286,11 @@ static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter) { long timeout = 0; long done = 0; + int err = 0; cond_resched(); while (done == 0) { - done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS); + done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS, &err); done &= 2; if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) { dev_err(&adapter->pdev->dev, @@ -304,6 +305,8 @@ static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter) static int do_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp) { + int err = 0; + QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3); @@ -317,7 +320,9 @@ static int do_rom_fast_read(struct qlcnic_adapter *adapter, udelay(10); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); - *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA); + *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA, &err); + if (err == -EIO) + return err; return 0; } @@ -369,11 +374,11 @@ int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp) int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) { - int addr, val; + int addr, err = 0; int i, n, init_delay; struct crb_addr_pair *buf; unsigned offset; - u32 off; + u32 off, val; struct pci_dev *pdev = adapter->pdev; QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, 0); @@ -402,7 +407,9 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) QLCWR32(adapter, QLCNIC_CRB_NIU + 0xb0000, 0x00); /* halt sre */ - val = QLCRD32(adapter, QLCNIC_CRB_SRE + 0x1000); + val = QLCRD32(adapter, QLCNIC_CRB_SRE + 0x1000, &err); + if (err == -EIO) + return err; QLCWR32(adapter, QLCNIC_CRB_SRE + 0x1000, val & (~(0x1))); /* halt epg */ @@ -719,10 +726,12 @@ qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter) static int qlcnic_has_mn(struct qlcnic_adapter *adapter) { - u32 capability; - capability = 0; + u32 capability = 0; + int err = 0; - capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY); + capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY, &err); + if (err == -EIO) + return err; if (capability & QLCNIC_PEG_TUNE_MN_PRESENT) return 1; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c index d3f8797..6946d35 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c @@ -161,36 +161,68 @@ static inline int qlcnic_82xx_is_lb_pkt(u64 sts_data) return (qlcnic_get_sts_status(sts_data) == STATUS_CKSUM_LOOP) ? 1 : 0; } +static void qlcnic_delete_rx_list_mac(struct qlcnic_adapter *adapter, + struct qlcnic_filter *fil, + void *addr, u16 vlan_id) +{ + int ret; + u8 op; + + op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; + ret = qlcnic_sre_macaddr_change(adapter, addr, vlan_id, op); + if (ret) + return; + + op = vlan_id ? QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL; + ret = qlcnic_sre_macaddr_change(adapter, addr, vlan_id, op); + if (!ret) { + hlist_del(&fil->fnode); + adapter->rx_fhash.fnum--; + } +} + +static struct qlcnic_filter *qlcnic_find_mac_filter(struct hlist_head *head, + void *addr, u16 vlan_id) +{ + struct qlcnic_filter *tmp_fil = NULL; + struct hlist_node *n; + + hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { + if (!memcmp(tmp_fil->faddr, addr, ETH_ALEN) && + tmp_fil->vlan_id == vlan_id) + return tmp_fil; + } + + return NULL; +} + void qlcnic_add_lb_filter(struct qlcnic_adapter *adapter, struct sk_buff *skb, int loopback_pkt, u16 vlan_id) { struct ethhdr *phdr = (struct ethhdr *)(skb->data); struct qlcnic_filter *fil, *tmp_fil; - struct hlist_node *n; struct hlist_head *head; unsigned long time; u64 src_addr = 0; - u8 hindex, found = 0, op; + u8 hindex, op; int ret; memcpy(&src_addr, phdr->h_source, ETH_ALEN); + hindex = qlcnic_mac_hash(src_addr) & + (adapter->fhash.fbucket_size - 1); if (loopback_pkt) { if (adapter->rx_fhash.fnum >= adapter->rx_fhash.fmax) return; - hindex = qlcnic_mac_hash(src_addr) & - (adapter->fhash.fbucket_size - 1); head = &(adapter->rx_fhash.fhead[hindex]); - hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { - if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) && - tmp_fil->vlan_id == vlan_id) { - time = tmp_fil->ftime; - if (jiffies > (QLCNIC_READD_AGE * HZ + time)) - tmp_fil->ftime = jiffies; - return; - } + tmp_fil = qlcnic_find_mac_filter(head, &src_addr, vlan_id); + if (tmp_fil) { + time = tmp_fil->ftime; + if (time_after(jiffies, QLCNIC_READD_AGE * HZ + time)) + tmp_fil->ftime = jiffies; + return; } fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC); @@ -205,36 +237,37 @@ void qlcnic_add_lb_filter(struct qlcnic_adapter *adapter, struct sk_buff *skb, adapter->rx_fhash.fnum++; spin_unlock(&adapter->rx_mac_learn_lock); } else { - hindex = qlcnic_mac_hash(src_addr) & - (adapter->fhash.fbucket_size - 1); - head = &(adapter->rx_fhash.fhead[hindex]); - spin_lock(&adapter->rx_mac_learn_lock); - hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { - if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) && - tmp_fil->vlan_id == vlan_id) { - found = 1; - break; - } - } + head = &adapter->fhash.fhead[hindex]; - if (!found) { - spin_unlock(&adapter->rx_mac_learn_lock); - return; - } + spin_lock(&adapter->mac_learn_lock); - op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; - ret = qlcnic_sre_macaddr_change(adapter, (u8 *)&src_addr, - vlan_id, op); - if (!ret) { + tmp_fil = qlcnic_find_mac_filter(head, &src_addr, vlan_id); + if (tmp_fil) { op = vlan_id ? QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL; ret = qlcnic_sre_macaddr_change(adapter, (u8 *)&src_addr, vlan_id, op); if (!ret) { - hlist_del(&(tmp_fil->fnode)); - adapter->rx_fhash.fnum--; + hlist_del(&tmp_fil->fnode); + adapter->fhash.fnum--; } + + spin_unlock(&adapter->mac_learn_lock); + + return; } + + spin_unlock(&adapter->mac_learn_lock); + + head = &adapter->rx_fhash.fhead[hindex]; + + spin_lock(&adapter->rx_mac_learn_lock); + + tmp_fil = qlcnic_find_mac_filter(head, &src_addr, vlan_id); + if (tmp_fil) + qlcnic_delete_rx_list_mac(adapter, tmp_fil, &src_addr, + vlan_id); + spin_unlock(&adapter->rx_mac_learn_lock); } } @@ -262,7 +295,7 @@ void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr, mac_req = (struct qlcnic_mac_req *)&(req->words[0]); mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; - memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN); + memcpy(mac_req->mac_addr, uaddr, ETH_ALEN); vlan_req = (struct qlcnic_vlan_req *)&req->words[1]; vlan_req->vlan_id = cpu_to_le16(vlan_id); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 4528f8e..bc05d01 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -977,8 +977,8 @@ qlcnic_check_options(struct qlcnic_adapter *adapter) static int qlcnic_initialize_nic(struct qlcnic_adapter *adapter) { - int err; struct qlcnic_info nic_info; + int err = 0; memset(&nic_info, 0, sizeof(struct qlcnic_info)); err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); @@ -993,7 +993,9 @@ qlcnic_initialize_nic(struct qlcnic_adapter *adapter) if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { u32 temp; - temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); + temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); + if (err == -EIO) + return err; adapter->ahw->extra_capability[0] = temp; } adapter->ahw->max_mac_filters = nic_info.max_mac_filters; @@ -1383,6 +1385,8 @@ qlcnic_request_irq(struct qlcnic_adapter *adapter) if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { if (qlcnic_82xx_check(adapter)) handler = qlcnic_tmp_intr; + else + handler = qlcnic_83xx_tmp_intr; if (!QLCNIC_IS_MSI_FAMILY(adapter)) flags |= IRQF_SHARED; @@ -1531,12 +1535,12 @@ int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) if (netdev->features & NETIF_F_LRO) qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); + set_bit(__QLCNIC_DEV_UP, &adapter->state); qlcnic_napi_enable(adapter); qlcnic_linkevent_request(adapter, 1); adapter->ahw->reset_context = 0; - set_bit(__QLCNIC_DEV_UP, &adapter->state); return 0; } @@ -2139,7 +2143,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && !!qlcnic_use_msi) dev_warn(&pdev->dev, - "83xx adapter do not support MSI interrupts\n"); + "Device does not support MSI interrupts\n"); err = qlcnic_setup_intr(adapter, 0); if (err) { @@ -2161,7 +2165,8 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto err_out_disable_mbx_intr; - qlcnic_set_drv_version(adapter); + if (adapter->portnum == 0) + qlcnic_set_drv_version(adapter); pci_set_drvdata(pdev, adapter); @@ -3081,7 +3086,8 @@ done: adapter->fw_fail_cnt = 0; adapter->flags &= ~QLCNIC_FW_HANG; clear_bit(__QLCNIC_RESETTING, &adapter->state); - qlcnic_set_drv_version(adapter); + if (adapter->portnum == 0) + qlcnic_set_drv_version(adapter); if (!qlcnic_clr_drv_state(adapter)) qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, @@ -3093,6 +3099,7 @@ qlcnic_check_health(struct qlcnic_adapter *adapter) { u32 state = 0, heartbeat; u32 peg_status; + int err = 0; if (qlcnic_check_temp(adapter)) goto detach; @@ -3139,11 +3146,11 @@ qlcnic_check_health(struct qlcnic_adapter *adapter) "PEG_NET_4_PC: 0x%x\n", peg_status, QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c)); + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) dev_err(&adapter->pdev->dev, "Firmware aborted with error code 0x00006700. " diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c index ab8a674..79e54ef 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c @@ -1084,7 +1084,7 @@ flash_temp: tmpl_hdr = ahw->fw_dump.tmpl_hdr; tmpl_hdr->drv_cap_mask = QLCNIC_DUMP_MASK_DEF; - if ((tmpl_hdr->version & 0xffffff) >= 0x20001) + if ((tmpl_hdr->version & 0xfffff) >= 0x20001) ahw->fw_dump.use_pex_dma = true; else ahw->fw_dump.use_pex_dma = false; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index 62380ce..5d40045 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -562,7 +562,7 @@ static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, INIT_LIST_HEAD(&adapter->vf_mc_list); if (!qlcnic_use_msi_x && !!qlcnic_use_msi) dev_warn(&adapter->pdev->dev, - "83xx adapter do not support MSI interrupts\n"); + "Device does not support MSI interrupts\n"); err = qlcnic_setup_intr(adapter, 1); if (err) { @@ -762,6 +762,7 @@ static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *mbx, u32 type) memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num); mbx->req.arg[0] = (type | (mbx->req.num << 16) | (3 << 29)); + mbx->rsp.arg[0] = (type & 0xffff) | mbx->rsp.num << 16; return 0; } } @@ -813,6 +814,7 @@ static int qlcnic_sriov_prepare_bc_hdr(struct qlcnic_bc_trans *trans, cmd->req.num = trans->req_pay_size / 4; cmd->rsp.num = trans->rsp_pay_size / 4; hdr = trans->rsp_hdr; + cmd->op_type = trans->req_hdr->op_type; } trans->trans_id = seq; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c index ee0c1d3..eb49cd6 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -635,12 +635,12 @@ static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans, struct qlcnic_cmd_args *cmd) { struct qlcnic_vf_info *vf = trans->vf; - struct qlcnic_adapter *adapter = vf->adapter; - int err; + struct qlcnic_vport *vp = vf->vp; + struct qlcnic_adapter *adapter; u16 func = vf->pci_func; + int err; - cmd->rsp.arg[0] = trans->req_hdr->cmd_op; - cmd->rsp.arg[0] |= (1 << 16); + adapter = vf->adapter; if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) { err = qlcnic_sriov_pf_config_vport(adapter, 1, func); @@ -650,6 +650,8 @@ static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans, qlcnic_sriov_pf_config_vport(adapter, 0, func); } } else { + if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) + vp->vlan = 0; err = qlcnic_sriov_pf_config_vport(adapter, 0, func); } @@ -1183,7 +1185,7 @@ static int qlcnic_sriov_pf_get_acl_cmd(struct qlcnic_bc_trans *trans, u8 cmd_op, mode = vp->vlan_mode; cmd_op = trans->req_hdr->cmd_op; - cmd->rsp.arg[0] = (cmd_op & 0xffff) | 14 << 16 | 1 << 25; + cmd->rsp.arg[0] |= 1 << 25; switch (mode) { case QLC_GUEST_VLAN_MODE: @@ -1561,6 +1563,7 @@ void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov, struct qlcnic_vf_info *vf) { struct net_device *dev = vf->adapter->netdev; + struct qlcnic_vport *vp = vf->vp; if (!test_and_clear_bit(QLC_BC_VF_STATE, &vf->state)) { clear_bit(QLC_BC_VF_FLR, &vf->state); @@ -1573,6 +1576,9 @@ void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov, return; } + if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) + vp->vlan = 0; + qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr); netdev_info(dev, "FLR received for PCI func %d\n", vf->pci_func); } @@ -1621,13 +1627,15 @@ int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_sriov *sriov = adapter->ahw->sriov; - int i, num_vfs = sriov->num_vfs; + int i, num_vfs; struct qlcnic_vf_info *vf_info; u8 *curr_mac; if (!qlcnic_sriov_pf_check(adapter)) return -EOPNOTSUPP; + num_vfs = sriov->num_vfs; + if (!is_valid_ether_addr(mac) || vf >= num_vfs) return -EINVAL; @@ -1741,6 +1749,7 @@ int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf, switch (vlan) { case 4095: + vp->vlan = 0; vp->vlan_mode = QLC_GUEST_VLAN_MODE; break; case 0: @@ -1759,6 +1768,29 @@ int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf, return 0; } +static inline __u32 qlcnic_sriov_get_vf_vlan(struct qlcnic_adapter *adapter, + struct qlcnic_vport *vp, int vf) +{ + __u32 vlan = 0; + + switch (vp->vlan_mode) { + case QLC_PVID_MODE: + vlan = vp->vlan; + break; + case QLC_GUEST_VLAN_MODE: + vlan = MAX_VLAN_ID; + break; + case QLC_NO_VLAN_MODE: + vlan = 0; + break; + default: + netdev_info(adapter->netdev, "Invalid VLAN mode = %d for VF %d\n", + vp->vlan_mode, vf); + } + + return vlan; +} + int qlcnic_sriov_get_vf_config(struct net_device *netdev, int vf, struct ifla_vf_info *ivi) { @@ -1774,7 +1806,7 @@ int qlcnic_sriov_get_vf_config(struct net_device *netdev, vp = sriov->vf_info[vf].vp; memcpy(&ivi->mac, vp->mac, ETH_ALEN); - ivi->vlan = vp->vlan; + ivi->vlan = qlcnic_sriov_get_vf_vlan(adapter, vp, vf); ivi->qos = vp->qos; ivi->spoofchk = vp->spoofchk; if (vp->max_tx_bw == MAX_BW) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c index 10ed82b..660c3f5 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c @@ -170,9 +170,9 @@ static int qlcnic_82xx_store_beacon(struct qlcnic_adapter *adapter, if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_BEACON) { err = qlcnic_get_beacon_state(adapter, &h_beacon_state); - if (!err) { - dev_info(&adapter->pdev->dev, - "Failed to get current beacon state\n"); + if (err) { + netdev_err(adapter->netdev, + "Failed to get current beacon state\n"); } else { if (h_beacon_state == QLCNIC_BEACON_DISABLE) ahw->beacon_state = 0; diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index e6acb9f..d2e5919 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -478,7 +478,7 @@ rx_status_loop: while (1) { u32 status, len; - dma_addr_t mapping; + dma_addr_t mapping, new_mapping; struct sk_buff *skb, *new_skb; struct cp_desc *desc; const unsigned buflen = cp->rx_buf_sz; @@ -520,6 +520,14 @@ rx_status_loop: goto rx_next; } + new_mapping = dma_map_single(&cp->pdev->dev, new_skb->data, buflen, + PCI_DMA_FROMDEVICE); + if (dma_mapping_error(&cp->pdev->dev, new_mapping)) { + dev->stats.rx_dropped++; + kfree_skb(new_skb); + goto rx_next; + } + dma_unmap_single(&cp->pdev->dev, mapping, buflen, PCI_DMA_FROMDEVICE); @@ -531,12 +539,11 @@ rx_status_loop: skb_put(skb, len); - mapping = dma_map_single(&cp->pdev->dev, new_skb->data, buflen, - PCI_DMA_FROMDEVICE); cp->rx_skb[rx_tail] = new_skb; cp_rx_skb(cp, skb, desc); rx++; + mapping = new_mapping; rx_next: cp->rx_ring[rx_tail].opts2 = 0; @@ -716,6 +723,22 @@ static inline u32 cp_tx_vlan_tag(struct sk_buff *skb) TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00; } +static void unwind_tx_frag_mapping(struct cp_private *cp, struct sk_buff *skb, + int first, int entry_last) +{ + int frag, index; + struct cp_desc *txd; + skb_frag_t *this_frag; + for (frag = 0; frag+first < entry_last; frag++) { + index = first+frag; + cp->tx_skb[index] = NULL; + txd = &cp->tx_ring[index]; + this_frag = &skb_shinfo(skb)->frags[frag]; + dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr), + skb_frag_size(this_frag), PCI_DMA_TODEVICE); + } +} + static netdev_tx_t cp_start_xmit (struct sk_buff *skb, struct net_device *dev) { @@ -749,6 +772,9 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, len = skb->len; mapping = dma_map_single(&cp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE); + if (dma_mapping_error(&cp->pdev->dev, mapping)) + goto out_dma_error; + txd->opts2 = opts2; txd->addr = cpu_to_le64(mapping); wmb(); @@ -786,6 +812,9 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, first_len = skb_headlen(skb); first_mapping = dma_map_single(&cp->pdev->dev, skb->data, first_len, PCI_DMA_TODEVICE); + if (dma_mapping_error(&cp->pdev->dev, first_mapping)) + goto out_dma_error; + cp->tx_skb[entry] = skb; entry = NEXT_TX(entry); @@ -799,6 +828,11 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, mapping = dma_map_single(&cp->pdev->dev, skb_frag_address(this_frag), len, PCI_DMA_TODEVICE); + if (dma_mapping_error(&cp->pdev->dev, mapping)) { + unwind_tx_frag_mapping(cp, skb, first_entry, entry); + goto out_dma_error; + } + eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0; ctrl = eor | len | DescOwn; @@ -859,11 +893,16 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, if (TX_BUFFS_AVAIL(cp) <= (MAX_SKB_FRAGS + 1)) netif_stop_queue(dev); +out_unlock: spin_unlock_irqrestore(&cp->lock, intr_flags); cpw8(TxPoll, NormalTxPoll); return NETDEV_TX_OK; +out_dma_error: + kfree_skb(skb); + cp->dev->stats.tx_dropped++; + goto out_unlock; } /* Set or clear the multicast filter for this adaptor. @@ -1054,6 +1093,10 @@ static int cp_refill_rx(struct cp_private *cp) mapping = dma_map_single(&cp->pdev->dev, skb->data, cp->rx_buf_sz, PCI_DMA_FROMDEVICE); + if (dma_mapping_error(&cp->pdev->dev, mapping)) { + kfree_skb(skb); + goto err_out; + } cp->rx_skb[i] = skb; cp->rx_ring[i].opts2 = 0; diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 4106a74..b5eb419 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -3689,7 +3689,7 @@ static void rtl_phy_work(struct rtl8169_private *tp) if (tp->link_ok(ioaddr)) return; - netif_warn(tp, link, tp->dev, "PHY reset until link up\n"); + netif_dbg(tp, link, tp->dev, "PHY reset until link up\n"); tp->phy_reset_enable(tp); @@ -6468,6 +6468,8 @@ static int rtl8169_close(struct net_device *dev) rtl8169_down(dev); rtl_unlock_work(tp); + cancel_work_sync(&tp->wk.work); + free_irq(pdev->irq, dev); dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, @@ -6793,8 +6795,6 @@ static void rtl_remove_one(struct pci_dev *pdev) rtl8168_driver_stop(tp); } - cancel_work_sync(&tp->wk.work); - netif_napi_del(&tp->napi); unregister_netdev(dev); diff --git a/drivers/net/ethernet/sfc/filter.c b/drivers/net/ethernet/sfc/filter.c index b74a60a..2a469b2 100644 --- a/drivers/net/ethernet/sfc/filter.c +++ b/drivers/net/ethernet/sfc/filter.c @@ -1209,7 +1209,9 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, EFX_BUG_ON_PARANOID(skb_headlen(skb) < nhoff + 4 * ip->ihl + 4); ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl); - efx_filter_init_rx(&spec, EFX_FILTER_PRI_HINT, 0, rxq_index); + efx_filter_init_rx(&spec, EFX_FILTER_PRI_HINT, + efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0, + rxq_index); rc = efx_filter_set_ipv4_full(&spec, ip->protocol, ip->daddr, ports[1], ip->saddr, ports[0]); if (rc) diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c index eb4aea3..f5d7ad7 100644 --- a/drivers/net/ethernet/sis/sis900.c +++ b/drivers/net/ethernet/sis/sis900.c @@ -1318,7 +1318,7 @@ static void sis900_timer(unsigned long data) if (duplex){ sis900_set_mode(sis_priv, speed, duplex); sis630_set_eq(net_dev, sis_priv->chipset_rev); - netif_start_queue(net_dev); + netif_carrier_on(net_dev); } sis_priv->timer.expires = jiffies + HZ; @@ -1336,10 +1336,8 @@ static void sis900_timer(unsigned long data) status = sis900_default_phy(net_dev); mii_phy = sis_priv->mii; - if (status & MII_STAT_LINK){ + if (status & MII_STAT_LINK) sis900_check_mode(net_dev, mii_phy); - netif_carrier_on(net_dev); - } } else { /* Link ON -> OFF */ if (!(status & MII_STAT_LINK)){ @@ -1612,12 +1610,6 @@ sis900_start_xmit(struct sk_buff *skb, struct net_device *net_dev) unsigned int index_cur_tx, index_dirty_tx; unsigned int count_dirty_tx; - /* Don't transmit data before the complete of auto-negotiation */ - if(!sis_priv->autong_complete){ - netif_stop_queue(net_dev); - return NETDEV_TX_BUSY; - } - spin_lock_irqsave(&sis_priv->lock, flags); /* Calculate the next Tx descriptor entry. */ diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index c9d942a..1ef9d8a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -33,10 +33,15 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) struct stmmac_priv *priv = (struct stmmac_priv *)p; unsigned int txsize = priv->dma_tx_size; unsigned int entry = priv->cur_tx % txsize; - struct dma_desc *desc = priv->dma_tx + entry; + struct dma_desc *desc; unsigned int nopaged_len = skb_headlen(skb); unsigned int bmax, len; + if (priv->extend_desc) + desc = (struct dma_desc *)(priv->dma_etx + entry); + else + desc = priv->dma_tx + entry; + if (priv->plat->enh_desc) bmax = BUF_SIZE_8KiB; else @@ -54,7 +59,11 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) STMMAC_RING_MODE); wmb(); entry = (++priv->cur_tx) % txsize; - desc = priv->dma_tx + entry; + + if (priv->extend_desc) + desc = (struct dma_desc *)(priv->dma_etx + entry); + else + desc = priv->dma_tx + entry; desc->des2 = dma_map_single(priv->device, skb->data + bmax, len, DMA_TO_DEVICE); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index f2ccb36..0a9bb9d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -939,15 +939,20 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, skb = __netdev_alloc_skb(priv->dev, priv->dma_buf_sz + NET_IP_ALIGN, GFP_KERNEL); - if (unlikely(skb == NULL)) { + if (!skb) { pr_err("%s: Rx init fails; skb is NULL\n", __func__); - return 1; + return -ENOMEM; } skb_reserve(skb, NET_IP_ALIGN); priv->rx_skbuff[i] = skb; priv->rx_skbuff_dma[i] = dma_map_single(priv->device, skb->data, priv->dma_buf_sz, DMA_FROM_DEVICE); + if (dma_mapping_error(priv->device, priv->rx_skbuff_dma[i])) { + pr_err("%s: DMA mapping error\n", __func__); + dev_kfree_skb_any(skb); + return -EINVAL; + } p->des2 = priv->rx_skbuff_dma[i]; @@ -958,6 +963,16 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, return 0; } +static void stmmac_free_rx_buffers(struct stmmac_priv *priv, int i) +{ + if (priv->rx_skbuff[i]) { + dma_unmap_single(priv->device, priv->rx_skbuff_dma[i], + priv->dma_buf_sz, DMA_FROM_DEVICE); + dev_kfree_skb_any(priv->rx_skbuff[i]); + } + priv->rx_skbuff[i] = NULL; +} + /** * init_dma_desc_rings - init the RX/TX descriptor rings * @dev: net device structure @@ -965,13 +980,14 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, * and allocates the socket buffers. It suppors the chained and ring * modes. */ -static void init_dma_desc_rings(struct net_device *dev) +static int init_dma_desc_rings(struct net_device *dev) { int i; struct stmmac_priv *priv = netdev_priv(dev); unsigned int txsize = priv->dma_tx_size; unsigned int rxsize = priv->dma_rx_size; unsigned int bfsize = 0; + int ret = -ENOMEM; /* Set the max buffer size according to the DESC mode * and the MTU. Note that RING mode allows 16KiB bsize. @@ -992,34 +1008,60 @@ static void init_dma_desc_rings(struct net_device *dev) dma_extended_desc), &priv->dma_rx_phy, GFP_KERNEL); + if (!priv->dma_erx) + goto err_dma; + priv->dma_etx = dma_alloc_coherent(priv->device, txsize * sizeof(struct dma_extended_desc), &priv->dma_tx_phy, GFP_KERNEL); - if ((!priv->dma_erx) || (!priv->dma_etx)) - return; + if (!priv->dma_etx) { + dma_free_coherent(priv->device, priv->dma_rx_size * + sizeof(struct dma_extended_desc), + priv->dma_erx, priv->dma_rx_phy); + goto err_dma; + } } else { priv->dma_rx = dma_alloc_coherent(priv->device, rxsize * sizeof(struct dma_desc), &priv->dma_rx_phy, GFP_KERNEL); + if (!priv->dma_rx) + goto err_dma; + priv->dma_tx = dma_alloc_coherent(priv->device, txsize * sizeof(struct dma_desc), &priv->dma_tx_phy, GFP_KERNEL); - if ((!priv->dma_rx) || (!priv->dma_tx)) - return; + if (!priv->dma_tx) { + dma_free_coherent(priv->device, priv->dma_rx_size * + sizeof(struct dma_desc), + priv->dma_rx, priv->dma_rx_phy); + goto err_dma; + } } priv->rx_skbuff_dma = kmalloc_array(rxsize, sizeof(dma_addr_t), GFP_KERNEL); + if (!priv->rx_skbuff_dma) + goto err_rx_skbuff_dma; + priv->rx_skbuff = kmalloc_array(rxsize, sizeof(struct sk_buff *), GFP_KERNEL); + if (!priv->rx_skbuff) + goto err_rx_skbuff; + priv->tx_skbuff_dma = kmalloc_array(txsize, sizeof(dma_addr_t), GFP_KERNEL); + if (!priv->tx_skbuff_dma) + goto err_tx_skbuff_dma; + priv->tx_skbuff = kmalloc_array(txsize, sizeof(struct sk_buff *), GFP_KERNEL); + if (!priv->tx_skbuff) + goto err_tx_skbuff; + if (netif_msg_probe(priv)) { pr_debug("(%s) dma_rx_phy=0x%08x dma_tx_phy=0x%08x\n", __func__, (u32) priv->dma_rx_phy, (u32) priv->dma_tx_phy); @@ -1034,8 +1076,9 @@ static void init_dma_desc_rings(struct net_device *dev) else p = priv->dma_rx + i; - if (stmmac_init_rx_buffers(priv, p, i)) - break; + ret = stmmac_init_rx_buffers(priv, p, i); + if (ret) + goto err_init_rx_buffers; if (netif_msg_probe(priv)) pr_debug("[%p]\t[%p]\t[%x]\n", priv->rx_skbuff[i], @@ -1081,20 +1124,44 @@ static void init_dma_desc_rings(struct net_device *dev) if (netif_msg_hw(priv)) stmmac_display_rings(priv); + + return 0; +err_init_rx_buffers: + while (--i >= 0) + stmmac_free_rx_buffers(priv, i); + kfree(priv->tx_skbuff); +err_tx_skbuff: + kfree(priv->tx_skbuff_dma); +err_tx_skbuff_dma: + kfree(priv->rx_skbuff); +err_rx_skbuff: + kfree(priv->rx_skbuff_dma); +err_rx_skbuff_dma: + if (priv->extend_desc) { + dma_free_coherent(priv->device, priv->dma_tx_size * + sizeof(struct dma_extended_desc), + priv->dma_etx, priv->dma_tx_phy); + dma_free_coherent(priv->device, priv->dma_rx_size * + sizeof(struct dma_extended_desc), + priv->dma_erx, priv->dma_rx_phy); + } else { + dma_free_coherent(priv->device, + priv->dma_tx_size * sizeof(struct dma_desc), + priv->dma_tx, priv->dma_tx_phy); + dma_free_coherent(priv->device, + priv->dma_rx_size * sizeof(struct dma_desc), + priv->dma_rx, priv->dma_rx_phy); + } +err_dma: + return ret; } static void dma_free_rx_skbufs(struct stmmac_priv *priv) { int i; - for (i = 0; i < priv->dma_rx_size; i++) { - if (priv->rx_skbuff[i]) { - dma_unmap_single(priv->device, priv->rx_skbuff_dma[i], - priv->dma_buf_sz, DMA_FROM_DEVICE); - dev_kfree_skb_any(priv->rx_skbuff[i]); - } - priv->rx_skbuff[i] = NULL; - } + for (i = 0; i < priv->dma_rx_size; i++) + stmmac_free_rx_buffers(priv, i); } static void dma_free_tx_skbufs(struct stmmac_priv *priv) @@ -1560,12 +1627,17 @@ static int stmmac_open(struct net_device *dev) priv->dma_tx_size = STMMAC_ALIGN(dma_txsize); priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize); priv->dma_buf_sz = STMMAC_ALIGN(buf_sz); - init_dma_desc_rings(dev); + + ret = init_dma_desc_rings(dev); + if (ret < 0) { + pr_err("%s: DMA descriptors initialization failed\n", __func__); + goto dma_desc_error; + } /* DMA initialization and SW reset */ ret = stmmac_init_dma_engine(priv); if (ret < 0) { - pr_err("%s: DMA initialization failed\n", __func__); + pr_err("%s: DMA engine initialization failed\n", __func__); goto init_error; } @@ -1672,6 +1744,7 @@ wolirq_error: init_error: free_dma_desc_resources(priv); +dma_desc_error: if (priv->phydev) phy_disconnect(priv->phydev); phy_error: diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 05a1674..22a7a43 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1867,7 +1867,7 @@ static int cpsw_probe(struct platform_device *pdev) while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) { for (i = res->start; i <= res->end; i++) { - if (request_irq(i, cpsw_interrupt, IRQF_DISABLED, + if (request_irq(i, cpsw_interrupt, 0, dev_name(&pdev->dev), priv)) { dev_err(priv->dev, "error attaching irq\n"); goto clean_ale_ret; diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 07b176b..1a222bce 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1568,8 +1568,7 @@ static int emac_dev_open(struct net_device *ndev) while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) { for (i = res->start; i <= res->end; i++) { if (devm_request_irq(&priv->pdev->dev, i, emac_irq, - IRQF_DISABLED, - ndev->name, ndev)) + 0, ndev->name, ndev)) goto rollback; } k++; diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c index 1d6dc41..d01cacf 100644 --- a/drivers/net/ethernet/via/via-velocity.c +++ b/drivers/net/ethernet/via/via-velocity.c @@ -2100,7 +2100,7 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } - netif_rx(skb); + netif_receive_skb(skb); stats->rx_bytes += pkt_len; stats->rx_packets++; @@ -2884,6 +2884,7 @@ out: return ret; err_iounmap: + netif_napi_del(&vptr->napi); iounmap(regs); err_free_dev: free_netdev(netdev); @@ -2904,6 +2905,7 @@ static int velocity_remove(struct device *dev) struct velocity_info *vptr = netdev_priv(netdev); unregister_netdev(netdev); + netif_napi_del(&vptr->napi); iounmap(vptr->mac_regs); free_netdev(netdev); velocity_nics--; diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 18373b6..16b43bf 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -337,8 +337,11 @@ static int macvlan_open(struct net_device *dev) int err; if (vlan->port->passthru) { - if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC)) - dev_set_promiscuity(lowerdev, 1); + if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC)) { + err = dev_set_promiscuity(lowerdev, 1); + if (err < 0) + goto out; + } goto hash_add; } @@ -736,6 +739,10 @@ static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[]) return -EADDRNOTAVAIL; } + if (data && data[IFLA_MACVLAN_FLAGS] && + nla_get_u16(data[IFLA_MACVLAN_FLAGS]) & ~MACVLAN_FLAG_NOPROMISC) + return -EINVAL; + if (data && data[IFLA_MACVLAN_MODE]) { switch (nla_get_u32(data[IFLA_MACVLAN_MODE])) { case MACVLAN_MODE_PRIVATE: @@ -863,6 +870,18 @@ static int macvlan_changelink(struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { struct macvlan_dev *vlan = netdev_priv(dev); + enum macvlan_mode mode; + bool set_mode = false; + + /* Validate mode, but don't set yet: setting flags may fail. */ + if (data && data[IFLA_MACVLAN_MODE]) { + set_mode = true; + mode = nla_get_u32(data[IFLA_MACVLAN_MODE]); + /* Passthrough mode can't be set or cleared dynamically */ + if ((mode == MACVLAN_MODE_PASSTHRU) != + (vlan->mode == MACVLAN_MODE_PASSTHRU)) + return -EINVAL; + } if (data && data[IFLA_MACVLAN_FLAGS]) { __u16 flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]); @@ -879,8 +898,8 @@ static int macvlan_changelink(struct net_device *dev, } vlan->flags = flags; } - if (data && data[IFLA_MACVLAN_MODE]) - vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]); + if (set_mode) + vlan->mode = mode; return 0; } diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index a98fb0e..b51db2a 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -818,10 +818,13 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; } - if (vlan) + if (vlan) { + local_bh_disable(); macvlan_start_xmit(skb, vlan->dev); - else + local_bh_enable(); + } else { kfree_skb(skb); + } rcu_read_unlock(); return total_len; @@ -912,8 +915,11 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q, done: rcu_read_lock(); vlan = rcu_dereference(q->vlan); - if (vlan) + if (vlan) { + preempt_disable(); macvlan_count_rx(vlan, copied - vnet_hdr_len, ret == 0, 0); + preempt_enable(); + } rcu_read_unlock(); return ret ? ret : copied; diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c index 61d3f4e..7f25e49 100644 --- a/drivers/net/phy/mdio-sun4i.c +++ b/drivers/net/phy/mdio-sun4i.c @@ -40,7 +40,7 @@ struct sun4i_mdio_data { static int sun4i_mdio_read(struct mii_bus *bus, int mii_id, int regnum) { struct sun4i_mdio_data *data = bus->priv; - unsigned long start_jiffies; + unsigned long timeout_jiffies; int value; /* issue the phy address and reg */ @@ -49,10 +49,9 @@ static int sun4i_mdio_read(struct mii_bus *bus, int mii_id, int regnum) writel(0x1, data->membase + EMAC_MAC_MCMD_REG); /* Wait read complete */ - start_jiffies = jiffies; + timeout_jiffies = jiffies + MDIO_TIMEOUT; while (readl(data->membase + EMAC_MAC_MIND_REG) & 0x1) { - if (time_after(start_jiffies, - start_jiffies + MDIO_TIMEOUT)) + if (time_is_before_jiffies(timeout_jiffies)) return -ETIMEDOUT; msleep(1); } @@ -69,7 +68,7 @@ static int sun4i_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value) { struct sun4i_mdio_data *data = bus->priv; - unsigned long start_jiffies; + unsigned long timeout_jiffies; /* issue the phy address and reg */ writel((mii_id << 8) | regnum, data->membase + EMAC_MAC_MADR_REG); @@ -77,10 +76,9 @@ static int sun4i_mdio_write(struct mii_bus *bus, int mii_id, int regnum, writel(0x1, data->membase + EMAC_MAC_MCMD_REG); /* Wait read complete */ - start_jiffies = jiffies; + timeout_jiffies = jiffies + MDIO_TIMEOUT; while (readl(data->membase + EMAC_MAC_MIND_REG) & 0x1) { - if (time_after(start_jiffies, - start_jiffies + MDIO_TIMEOUT)) + if (time_is_before_jiffies(timeout_jiffies)) return -ETIMEDOUT; msleep(1); } diff --git a/drivers/net/tun.c b/drivers/net/tun.c index db690a3..71af122 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1074,8 +1074,9 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, u32 rxhash; if (!(tun->flags & TUN_NO_PI)) { - if ((len -= sizeof(pi)) > total_len) + if (len < sizeof(pi)) return -EINVAL; + len -= sizeof(pi); if (memcpy_fromiovecend((void *)&pi, iv, 0, sizeof(pi))) return -EFAULT; @@ -1083,8 +1084,9 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, } if (tun->flags & TUN_VNET_HDR) { - if ((len -= tun->vnet_hdr_sz) > total_len) + if (len < tun->vnet_hdr_sz) return -EINVAL; + len -= tun->vnet_hdr_sz; if (memcpy_fromiovecend((void *)&gso, iv, offset, sizeof(gso))) return -EFAULT; diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 1e3c302..2bc87e3 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1029,10 +1029,10 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf) dev->mii.supports_gmii = 1; dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + NETIF_F_RXCSUM; dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + NETIF_F_RXCSUM; /* Enable checksum offload */ *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | @@ -1173,7 +1173,6 @@ ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) if (((skb->len + 8) % frame_size) == 0) tx_hdr2 |= 0x80008000; /* Enable padding */ - skb_linearize(skb); headroom = skb_headroom(skb); tailroom = skb_tailroom(skb); @@ -1317,10 +1316,10 @@ static int ax88179_reset(struct usbnet *dev) 1, 1, tmp); dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + NETIF_F_RXCSUM; dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + NETIF_F_RXCSUM; /* Enable checksum offload */ *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index ee13f9e..11c51f2 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -344,17 +344,41 @@ static const int multicast_filter_limit = 32; static int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) { - return usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), + int ret; + void *tmp; + + tmp = kmalloc(size, GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, - value, index, data, size, 500); + value, index, tmp, size, 500); + + memcpy(data, tmp, size); + kfree(tmp); + + return ret; } static int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) { - return usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), + int ret; + void *tmp; + + tmp = kmalloc(size, GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + memcpy(tmp, data, size); + + ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, - value, index, data, size, 500); + value, index, tmp, size, 500); + + kfree(tmp); + return ret; } static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, @@ -490,37 +514,31 @@ int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index) { - u32 data; + __le32 data; - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(data), &data); - else - usb_ocp_read(tp, index, sizeof(data), &data); + generic_ocp_read(tp, index, sizeof(data), &data, type); return __le32_to_cpu(data); } static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data) { - if (type == MCU_TYPE_PLA) - pla_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); - else - usb_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); + __le32 tmp = __cpu_to_le32(data); + + generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type); } static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) { u32 data; + __le32 tmp; u8 shift = index & 2; index &= ~3; - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(data), &data); - else - usb_ocp_read(tp, index, sizeof(data), &data); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - data = __le32_to_cpu(data); + data = __le32_to_cpu(tmp); data >>= (shift * 8); data &= 0xffff; @@ -529,7 +547,8 @@ static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) { - u32 tmp, mask = 0xffff; + u32 mask = 0xffff; + __le32 tmp; u16 byen = BYTE_EN_WORD; u8 shift = index & 2; @@ -542,34 +561,25 @@ static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) index &= ~3; } - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(tmp), &tmp); - else - usb_ocp_read(tp, index, sizeof(tmp), &tmp); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - tmp = __le32_to_cpu(tmp) & ~mask; - tmp |= data; - tmp = __cpu_to_le32(tmp); + data |= __le32_to_cpu(tmp) & ~mask; + tmp = __cpu_to_le32(data); - if (type == MCU_TYPE_PLA) - pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); - else - usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); + generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); } static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) { u32 data; + __le32 tmp; u8 shift = index & 3; index &= ~3; - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(data), &data); - else - usb_ocp_read(tp, index, sizeof(data), &data); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - data = __le32_to_cpu(data); + data = __le32_to_cpu(tmp); data >>= (shift * 8); data &= 0xff; @@ -578,7 +588,8 @@ static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) { - u32 tmp, mask = 0xff; + u32 mask = 0xff; + __le32 tmp; u16 byen = BYTE_EN_BYTE; u8 shift = index & 3; @@ -591,19 +602,12 @@ static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) index &= ~3; } - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(tmp), &tmp); - else - usb_ocp_read(tp, index, sizeof(tmp), &tmp); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - tmp = __le32_to_cpu(tmp) & ~mask; - tmp |= data; - tmp = __cpu_to_le32(tmp); + data |= __le32_to_cpu(tmp) & ~mask; + tmp = __cpu_to_le32(data); - if (type == MCU_TYPE_PLA) - pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); - else - usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); + generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); } static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) @@ -685,21 +689,14 @@ static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) static inline void set_ethernet_addr(struct r8152 *tp) { struct net_device *dev = tp->netdev; - u8 *node_id; - - node_id = kmalloc(sizeof(u8) * 8, GFP_KERNEL); - if (!node_id) { - netif_err(tp, probe, dev, "out of memory"); - return; - } + u8 node_id[8] = {0}; - if (pla_ocp_read(tp, PLA_IDR, sizeof(u8) * 8, node_id) < 0) + if (pla_ocp_read(tp, PLA_IDR, sizeof(node_id), node_id) < 0) netif_notice(tp, probe, dev, "inet addr fail\n"); else { memcpy(dev->dev_addr, node_id, dev->addr_len); memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); } - kfree(node_id); } static int rtl8152_set_mac_address(struct net_device *netdev, void *p) @@ -882,15 +879,10 @@ static void rtl8152_set_rx_mode(struct net_device *netdev) static void _rtl8152_set_rx_mode(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - u32 tmp, *mc_filter; /* Multicast hash filter */ + u32 mc_filter[2]; /* Multicast hash filter */ + __le32 tmp[2]; u32 ocp_data; - mc_filter = kmalloc(sizeof(u32) * 2, GFP_KERNEL); - if (!mc_filter) { - netif_err(tp, link, netdev, "out of memory"); - return; - } - clear_bit(RTL8152_SET_RX_MODE, &tp->flags); netif_stop_queue(netdev); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); @@ -918,14 +910,12 @@ static void _rtl8152_set_rx_mode(struct net_device *netdev) } } - tmp = mc_filter[0]; - mc_filter[0] = __cpu_to_le32(swab32(mc_filter[1])); - mc_filter[1] = __cpu_to_le32(swab32(tmp)); + tmp[0] = __cpu_to_le32(swab32(mc_filter[1])); + tmp[1] = __cpu_to_le32(swab32(mc_filter[0])); - pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(u32) * 2, mc_filter); + pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); netif_wake_queue(netdev); - kfree(mc_filter); } static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb, diff --git a/drivers/net/usb/r815x.c b/drivers/net/usb/r815x.c index 8523922..2df2f4f 100644 --- a/drivers/net/usb/r815x.c +++ b/drivers/net/usb/r815x.c @@ -24,34 +24,43 @@ static int pla_read_word(struct usb_device *udev, u16 index) { - int data, ret; + int ret; u8 shift = index & 2; - __le32 ocp_data; + __le32 *tmp; + + tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); + if (!tmp) + return -ENOMEM; index &= ~3; ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL815x_REQ_GET_REGS, RTL815x_REQT_READ, - index, MCU_TYPE_PLA, &ocp_data, sizeof(ocp_data), - 500); + index, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500); if (ret < 0) - return ret; + goto out2; - data = __le32_to_cpu(ocp_data); - data >>= (shift * 8); - data &= 0xffff; + ret = __le32_to_cpu(*tmp); + ret >>= (shift * 8); + ret &= 0xffff; - return data; +out2: + kfree(tmp); + return ret; } static int pla_write_word(struct usb_device *udev, u16 index, u32 data) { - __le32 ocp_data; + __le32 *tmp; u32 mask = 0xffff; u16 byen = BYTE_EN_WORD; u8 shift = index & 2; int ret; + tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); + if (!tmp) + return -ENOMEM; + data &= mask; if (shift) { @@ -63,19 +72,20 @@ static int pla_write_word(struct usb_device *udev, u16 index, u32 data) ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL815x_REQ_GET_REGS, RTL815x_REQT_READ, - index, MCU_TYPE_PLA, &ocp_data, sizeof(ocp_data), - 500); + index, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500); if (ret < 0) - return ret; + goto out3; - data |= __le32_to_cpu(ocp_data) & ~mask; - ocp_data = __cpu_to_le32(data); + data |= __le32_to_cpu(*tmp) & ~mask; + *tmp = __cpu_to_le32(data); ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL815x_REQ_SET_REGS, RTL815x_REQT_WRITE, - index, MCU_TYPE_PLA | byen, &ocp_data, - sizeof(ocp_data), 500); + index, MCU_TYPE_PLA | byen, tmp, sizeof(*tmp), + 500); +out3: + kfree(tmp); return ret; } @@ -116,11 +126,18 @@ out1: static int r815x_mdio_read(struct net_device *netdev, int phy_id, int reg) { struct usbnet *dev = netdev_priv(netdev); + int ret; if (phy_id != R815x_PHY_ID) return -EINVAL; - return ocp_reg_read(dev, BASE_MII + reg * 2); + if (usb_autopm_get_interface(dev->intf) < 0) + return -ENODEV; + + ret = ocp_reg_read(dev, BASE_MII + reg * 2); + + usb_autopm_put_interface(dev->intf); + return ret; } static @@ -131,7 +148,12 @@ void r815x_mdio_write(struct net_device *netdev, int phy_id, int reg, int val) if (phy_id != R815x_PHY_ID) return; + if (usb_autopm_get_interface(dev->intf) < 0) + return; + ocp_reg_write(dev, BASE_MII + reg * 2, val); + + usb_autopm_put_interface(dev->intf); } static int r8153_bind(struct usbnet *dev, struct usb_interface *intf) @@ -150,7 +172,7 @@ static int r8153_bind(struct usbnet *dev, struct usb_interface *intf) dev->mii.phy_id = R815x_PHY_ID; dev->mii.supports_gmii = 1; - return 0; + return status; } static int r8152_bind(struct usbnet *dev, struct usb_interface *intf) @@ -169,7 +191,7 @@ static int r8152_bind(struct usbnet *dev, struct usb_interface *intf) dev->mii.phy_id = R815x_PHY_ID; dev->mii.supports_gmii = 0; - return 0; + return status; } static const struct driver_info r8152_info = { diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 75409748c..66ebbac 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -45,7 +45,6 @@ #define EEPROM_MAC_OFFSET (0x01) #define DEFAULT_TX_CSUM_ENABLE (true) #define DEFAULT_RX_CSUM_ENABLE (true) -#define DEFAULT_TSO_ENABLE (true) #define SMSC75XX_INTERNAL_PHY_ID (1) #define SMSC75XX_TX_OVERHEAD (8) #define MAX_RX_FIFO_SIZE (20 * 1024) @@ -1410,17 +1409,14 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf) INIT_WORK(&pdata->set_multicast, smsc75xx_deferred_multicast_write); - if (DEFAULT_TX_CSUM_ENABLE) { + if (DEFAULT_TX_CSUM_ENABLE) dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - if (DEFAULT_TSO_ENABLE) - dev->net->features |= NETIF_F_SG | - NETIF_F_TSO | NETIF_F_TSO6; - } + if (DEFAULT_RX_CSUM_ENABLE) dev->net->features |= NETIF_F_RXCSUM; dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXCSUM; + NETIF_F_RXCSUM; ret = smsc75xx_wait_ready(dev, 0); if (ret < 0) { @@ -2200,8 +2196,6 @@ static struct sk_buff *smsc75xx_tx_fixup(struct usbnet *dev, { u32 tx_cmd_a, tx_cmd_b; - skb_linearize(skb); - if (skb_headroom(skb) < SMSC75XX_TX_OVERHEAD) { struct sk_buff *skb2 = skb_copy_expand(skb, SMSC75XX_TX_OVERHEAD, 0, flags); diff --git a/drivers/net/veth.c b/drivers/net/veth.c index da86652..eee1f19 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -269,6 +269,7 @@ static void veth_setup(struct net_device *dev) dev->ethtool_ops = &veth_ethtool_ops; dev->features |= NETIF_F_LLTX; dev->features |= VETH_FEATURES; + dev->vlan_features = dev->features; dev->destructor = veth_dev_free; dev->hw_features = VETH_FEATURES; diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index a5ba8dd..767f7af 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -136,7 +136,8 @@ struct vxlan_dev { u32 flags; /* VXLAN_F_* below */ struct work_struct sock_work; - struct work_struct igmp_work; + struct work_struct igmp_join; + struct work_struct igmp_leave; unsigned long age_interval; struct timer_list age_timer; @@ -736,7 +737,6 @@ static bool vxlan_snoop(struct net_device *dev, return false; } - /* See if multicast group is already in use by other ID */ static bool vxlan_group_used(struct vxlan_net *vn, __be32 remote_ip) { @@ -770,12 +770,13 @@ static void vxlan_sock_release(struct vxlan_net *vn, struct vxlan_sock *vs) queue_work(vxlan_wq, &vs->del_work); } -/* Callback to update multicast group membership. - * Scheduled when vxlan goes up/down. +/* Callback to update multicast group membership when first VNI on + * multicast asddress is brought up + * Done as workqueue because ip_mc_join_group acquires RTNL. */ -static void vxlan_igmp_work(struct work_struct *work) +static void vxlan_igmp_join(struct work_struct *work) { - struct vxlan_dev *vxlan = container_of(work, struct vxlan_dev, igmp_work); + struct vxlan_dev *vxlan = container_of(work, struct vxlan_dev, igmp_join); struct vxlan_net *vn = net_generic(dev_net(vxlan->dev), vxlan_net_id); struct vxlan_sock *vs = vxlan->vn_sock; struct sock *sk = vs->sock->sk; @@ -785,10 +786,27 @@ static void vxlan_igmp_work(struct work_struct *work) }; lock_sock(sk); - if (vxlan_group_used(vn, vxlan->default_dst.remote_ip)) - ip_mc_join_group(sk, &mreq); - else - ip_mc_leave_group(sk, &mreq); + ip_mc_join_group(sk, &mreq); + release_sock(sk); + + vxlan_sock_release(vn, vs); + dev_put(vxlan->dev); +} + +/* Inverse of vxlan_igmp_join when last VNI is brought down */ +static void vxlan_igmp_leave(struct work_struct *work) +{ + struct vxlan_dev *vxlan = container_of(work, struct vxlan_dev, igmp_leave); + struct vxlan_net *vn = net_generic(dev_net(vxlan->dev), vxlan_net_id); + struct vxlan_sock *vs = vxlan->vn_sock; + struct sock *sk = vs->sock->sk; + struct ip_mreqn mreq = { + .imr_multiaddr.s_addr = vxlan->default_dst.remote_ip, + .imr_ifindex = vxlan->default_dst.remote_ifindex, + }; + + lock_sock(sk); + ip_mc_leave_group(sk, &mreq); release_sock(sk); vxlan_sock_release(vn, vs); @@ -1359,6 +1377,7 @@ static void vxlan_uninit(struct net_device *dev) /* Start ageing timer and join group when device is brought up */ static int vxlan_open(struct net_device *dev) { + struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id); struct vxlan_dev *vxlan = netdev_priv(dev); struct vxlan_sock *vs = vxlan->vn_sock; @@ -1366,10 +1385,11 @@ static int vxlan_open(struct net_device *dev) if (!vs) return -ENOTCONN; - if (IN_MULTICAST(ntohl(vxlan->default_dst.remote_ip))) { + if (IN_MULTICAST(ntohl(vxlan->default_dst.remote_ip)) && + vxlan_group_used(vn, vxlan->default_dst.remote_ip)) { vxlan_sock_hold(vs); dev_hold(dev); - queue_work(vxlan_wq, &vxlan->igmp_work); + queue_work(vxlan_wq, &vxlan->igmp_join); } if (vxlan->age_interval) @@ -1400,13 +1420,15 @@ static void vxlan_flush(struct vxlan_dev *vxlan) /* Cleanup timer and forwarding table on shutdown */ static int vxlan_stop(struct net_device *dev) { + struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id); struct vxlan_dev *vxlan = netdev_priv(dev); struct vxlan_sock *vs = vxlan->vn_sock; - if (vs && IN_MULTICAST(ntohl(vxlan->default_dst.remote_ip))) { + if (vs && IN_MULTICAST(ntohl(vxlan->default_dst.remote_ip)) && + ! vxlan_group_used(vn, vxlan->default_dst.remote_ip)) { vxlan_sock_hold(vs); dev_hold(dev); - queue_work(vxlan_wq, &vxlan->igmp_work); + queue_work(vxlan_wq, &vxlan->igmp_leave); } del_timer_sync(&vxlan->age_timer); @@ -1471,7 +1493,8 @@ static void vxlan_setup(struct net_device *dev) INIT_LIST_HEAD(&vxlan->next); spin_lock_init(&vxlan->hash_lock); - INIT_WORK(&vxlan->igmp_work, vxlan_igmp_work); + INIT_WORK(&vxlan->igmp_join, vxlan_igmp_join); + INIT_WORK(&vxlan->igmp_leave, vxlan_igmp_leave); INIT_WORK(&vxlan->sock_work, vxlan_sock_work); init_timer_deferrable(&vxlan->age_timer); @@ -1770,8 +1793,6 @@ static void vxlan_dellink(struct net_device *dev, struct list_head *head) struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id); struct vxlan_dev *vxlan = netdev_priv(dev); - flush_workqueue(vxlan_wq); - spin_lock(&vn->sock_lock); hlist_del_rcu(&vxlan->hlist); spin_unlock(&vn->sock_lock); @@ -1878,10 +1899,12 @@ static __net_exit void vxlan_exit_net(struct net *net) { struct vxlan_net *vn = net_generic(net, vxlan_net_id); struct vxlan_dev *vxlan; + LIST_HEAD(list); rtnl_lock(); list_for_each_entry(vxlan, &vn->vxlan_list, next) - dev_close(vxlan->dev); + unregister_netdevice_queue(vxlan->dev, &list); + unregister_netdevice_many(&list); rtnl_unlock(); } diff --git a/drivers/net/wireless/ath/ath10k/Kconfig b/drivers/net/wireless/ath/ath10k/Kconfig index cde58fe..82e8088 100644 --- a/drivers/net/wireless/ath/ath10k/Kconfig +++ b/drivers/net/wireless/ath/ath10k/Kconfig @@ -1,6 +1,6 @@ config ATH10K tristate "Atheros 802.11ac wireless cards support" - depends on MAC80211 + depends on MAC80211 && HAS_DMA select ATH_COMMON ---help--- This module adds support for wireless adapters based on diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c index 81b686c..40825d4 100644 --- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c +++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c @@ -325,7 +325,7 @@ ath5k_prepare_multicast(struct ieee80211_hw *hw, struct netdev_hw_addr *ha; mfilt[0] = 0; - mfilt[1] = 1; + mfilt[1] = 0; netdev_hw_addr_list_for_each(ha, mc_list) { /* calculate XOR of eight 6-bit values */ diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c index d1acfe9..1576d58 100644 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c @@ -610,7 +610,15 @@ static void ar5008_hw_override_ini(struct ath_hw *ah, REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT)); if (AR_SREV_9280_20_OR_LATER(ah)) { - val = REG_READ(ah, AR_PCU_MISC_MODE2); + /* + * For AR9280 and above, there is a new feature that allows + * Multicast search based on both MAC Address and Key ID. + * By default, this feature is enabled. But since the driver + * is not using this feature, we switch it off; otherwise + * multicast search based on MAC addr only will fail. + */ + val = REG_READ(ah, AR_PCU_MISC_MODE2) & + (~AR_ADHOC_MCAST_KEYID_ENABLE); if (!AR_SREV_9271(ah)) val &= ~AR_PCU_MISC_MODE2_HWWAR1; diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 9e582e1..5205a36 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -1082,7 +1082,7 @@ static void ath9k_hif_usb_firmware_fail(struct hif_device_usb *hif_dev) struct device *dev = &hif_dev->udev->dev; struct device *parent = dev->parent; - complete(&hif_dev->fw_done); + complete_all(&hif_dev->fw_done); if (parent) device_lock(parent); @@ -1131,7 +1131,7 @@ static void ath9k_hif_usb_firmware_cb(const struct firmware *fw, void *context) release_firmware(fw); hif_dev->flags |= HIF_USB_READY; - complete(&hif_dev->fw_done); + complete_all(&hif_dev->fw_done); return; @@ -1295,7 +1295,9 @@ static void ath9k_hif_usb_disconnect(struct usb_interface *interface) usb_set_intfdata(interface, NULL); - if (!unplugged && (hif_dev->flags & HIF_USB_START)) + /* If firmware was loaded we should drop it + * go back to first stage bootloader. */ + if (!unplugged && (hif_dev->flags & HIF_USB_READY)) ath9k_hif_usb_reboot(udev); kfree(hif_dev); @@ -1316,7 +1318,10 @@ static int ath9k_hif_usb_suspend(struct usb_interface *interface, if (!(hif_dev->flags & HIF_USB_START)) ath9k_htc_suspend(hif_dev->htc_handle); - ath9k_hif_usb_dealloc_urbs(hif_dev); + wait_for_completion(&hif_dev->fw_done); + + if (hif_dev->flags & HIF_USB_READY) + ath9k_hif_usb_dealloc_urbs(hif_dev); return 0; } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 71a183f..c3676bf 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -861,6 +861,7 @@ static int ath9k_init_device(struct ath9k_htc_priv *priv, if (error != 0) goto err_rx; + ath9k_hw_disable(priv->ah); #ifdef CONFIG_MAC80211_LEDS /* must be initialized before ieee80211_register_hw */ priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw, diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index c59ae43..9279927 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -146,6 +146,28 @@ static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta, ARRAY_SIZE(bf->rates)); } +static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq, + struct sk_buff *skb) +{ + int q; + + q = skb_get_queue_mapping(skb); + if (txq == sc->tx.uapsdq) + txq = sc->tx.txq_map[q]; + + if (txq != sc->tx.txq_map[q]) + return; + + if (WARN_ON(--txq->pending_frames < 0)) + txq->pending_frames = 0; + + if (txq->stopped && + txq->pending_frames < sc->tx.txq_max_pending[q]) { + ieee80211_wake_queue(sc->hw, q); + txq->stopped = false; + } +} + static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) { struct ath_txq *txq = tid->ac->txq; @@ -167,6 +189,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) if (!bf) { bf = ath_tx_setup_buffer(sc, txq, tid, skb); if (!bf) { + ath_txq_skb_done(sc, txq, skb); ieee80211_free_txskb(sc->hw, skb); continue; } @@ -811,6 +834,7 @@ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq, if (!bf) { __skb_unlink(skb, &tid->buf_q); + ath_txq_skb_done(sc, txq, skb); ieee80211_free_txskb(sc->hw, skb); continue; } @@ -1824,6 +1848,7 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_txq *txq, bf = ath_tx_setup_buffer(sc, txq, tid, skb); if (!bf) { + ath_txq_skb_done(sc, txq, skb); ieee80211_free_txskb(sc->hw, skb); return; } @@ -2090,6 +2115,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, bf = ath_tx_setup_buffer(sc, txq, tid, skb); if (!bf) { + ath_txq_skb_done(sc, txq, skb); if (txctl->paprd) dev_kfree_skb_any(skb); else @@ -2189,7 +2215,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data; - int q, padpos, padsize; + int padpos, padsize; unsigned long flags; ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb); @@ -2225,21 +2251,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, spin_unlock_irqrestore(&sc->sc_pm_lock, flags); __skb_queue_tail(&txq->complete_q, skb); - - q = skb_get_queue_mapping(skb); - if (txq == sc->tx.uapsdq) - txq = sc->tx.txq_map[q]; - - if (txq == sc->tx.txq_map[q]) { - if (WARN_ON(--txq->pending_frames < 0)) - txq->pending_frames = 0; - - if (txq->stopped && - txq->pending_frames < sc->tx.txq_max_pending[q]) { - ieee80211_wake_queue(sc->hw, q); - txq->stopped = false; - } - } + ath_txq_skb_done(sc, txq, skb); } static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf, diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index e8308ec..ab63676 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -145,7 +145,7 @@ static void wil_print_ring(struct seq_file *s, const char *prefix, le16_to_cpu(hdr.type), hdr.flags); if (len <= MAX_MBOXITEM_SIZE) { int n = 0; - unsigned char printbuf[16 * 3 + 2]; + char printbuf[16 * 3 + 2]; unsigned char databuf[MAX_MBOXITEM_SIZE]; void __iomem *src = wmi_buffer(wil, d.addr) + sizeof(struct wil6210_mbox_hdr); @@ -416,7 +416,7 @@ static int wil_txdesc_debugfs_show(struct seq_file *s, void *data) seq_printf(s, " SKB = %p\n", skb); if (skb) { - unsigned char printbuf[16 * 3 + 2]; + char printbuf[16 * 3 + 2]; int i = 0; int len = le16_to_cpu(d->dma.length); void *p = skb->data; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index 8e89755..8009901 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -242,7 +242,7 @@ void brcmf_txflowblock_if(struct brcmf_if *ifp, { unsigned long flags; - if (!ifp) + if (!ifp || !ifp->ndev) return; brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n", diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c index f0d9f7f..29b1f24 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -1744,13 +1744,14 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb) ulong flags; int fifo = BRCMF_FWS_FIFO_BCMC; bool multicast = is_multicast_ether_addr(eh->h_dest); + bool pae = eh->h_proto == htons(ETH_P_PAE); /* determine the priority */ if (!skb->priority) skb->priority = cfg80211_classify8021d(skb); drvr->tx_multicast += !!multicast; - if (ntohs(eh->h_proto) == ETH_P_PAE) + if (pae) atomic_inc(&ifp->pend_8021x_cnt); if (!brcmf_fws_fc_active(fws)) { @@ -1781,6 +1782,11 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb) brcmf_fws_schedule_deq(fws); } else { brcmf_err("drop skb: no hanger slot\n"); + if (pae) { + atomic_dec(&ifp->pend_8021x_cnt); + if (waitqueue_active(&ifp->pend_8021x_wait)) + wake_up(&ifp->pend_8021x_wait); + } brcmu_pkt_buf_free_skb(skb); } brcmf_fws_unlock(drvr, flags); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 277b37a..7fa71f7 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -1093,8 +1093,11 @@ static void brcmf_link_down(struct brcmf_cfg80211_vif *vif) brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n "); err = brcmf_fil_cmd_data_set(vif->ifp, BRCMF_C_DISASSOC, NULL, 0); - if (err) + if (err) { brcmf_err("WLC_DISASSOC failed (%d)\n", err); + cfg80211_disconnected(vif->wdev.netdev, 0, + NULL, 0, GFP_KERNEL); + } clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state); } clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); diff --git a/drivers/net/wireless/cw1200/sta.c b/drivers/net/wireless/cw1200/sta.c index 7365674..010b252 100644 --- a/drivers/net/wireless/cw1200/sta.c +++ b/drivers/net/wireless/cw1200/sta.c @@ -1406,11 +1406,8 @@ static void cw1200_do_unjoin(struct cw1200_common *priv) if (!priv->join_status) goto done; - if (priv->join_status > CW1200_JOIN_STATUS_IBSS) { - wiphy_err(priv->hw->wiphy, "Unexpected: join status: %d\n", - priv->join_status); - BUG_ON(1); - } + if (priv->join_status == CW1200_JOIN_STATUS_AP) + goto done; cancel_work_sync(&priv->update_filtering_work); cancel_work_sync(&priv->set_beacon_wakeup_period_work); diff --git a/drivers/net/wireless/cw1200/txrx.c b/drivers/net/wireless/cw1200/txrx.c index 5862c37..e824d4d 100644 --- a/drivers/net/wireless/cw1200/txrx.c +++ b/drivers/net/wireless/cw1200/txrx.c @@ -1165,7 +1165,7 @@ void cw1200_rx_cb(struct cw1200_common *priv, if (cw1200_handle_action_rx(priv, skb)) return; } else if (ieee80211_is_beacon(frame->frame_control) && - !arg->status && + !arg->status && priv->vif && !memcmp(ieee80211_get_SA(frame), priv->vif->bss_conf.bssid, ETH_ALEN)) { const u8 *tim_ie; diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index b9b2bb5..f2ed62e 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -4460,12 +4460,12 @@ il4965_irq_tasklet(struct il_priv *il) * is killed. Hence update the killswitch state here. The * rfkill handler will care about restarting if needed. */ - if (!test_bit(S_ALIVE, &il->status)) { - if (hw_rf_kill) - set_bit(S_RFKILL, &il->status); - else - clear_bit(S_RFKILL, &il->status); + if (hw_rf_kill) { + set_bit(S_RFKILL, &il->status); + } else { + clear_bit(S_RFKILL, &il->status); wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill); + il_force_reset(il, true); } handled |= CSR_INT_BIT_RF_KILL; @@ -5334,6 +5334,9 @@ il4965_alive_start(struct il_priv *il) il->active_rate = RATES_MASK; + il_power_update_mode(il, true); + D_INFO("Updated power mode\n"); + if (il_is_associated(il)) { struct il_rxon_cmd *active_rxon = (struct il_rxon_cmd *)&il->active; @@ -5364,9 +5367,6 @@ il4965_alive_start(struct il_priv *il) D_INFO("ALIVE processing complete.\n"); wake_up(&il->wait_command_queue); - il_power_update_mode(il, true); - D_INFO("Updated power mode\n"); - return; restart: diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c index 3195aad..b03e22e 100644 --- a/drivers/net/wireless/iwlegacy/common.c +++ b/drivers/net/wireless/iwlegacy/common.c @@ -4660,6 +4660,7 @@ il_force_reset(struct il_priv *il, bool external) return 0; } +EXPORT_SYMBOL(il_force_reset); int il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index 3952ddf..1531a4f 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -758,7 +758,7 @@ int iwl_alive_start(struct iwl_priv *priv) BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); if (ret) return ret; - } else { + } else if (priv->lib->bt_params) { /* * default is 2-wire BT coexexistence support */ diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index ff8cc75..a70c7b9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -97,6 +97,8 @@ #define APMG_PCIDEV_STT_VAL_L1_ACT_DIS (0x00000800) +#define APMG_RTC_INT_STT_RFKILL (0x10000000) + /* Device system time */ #define DEVICE_SYSTEM_TIME_REG 0xA0206C diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c index 7e5e5c2..83da884 100644 --- a/drivers/net/wireless/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -134,7 +134,7 @@ struct wowlan_key_data { struct iwl_wowlan_rsc_tsc_params_cmd *rsc_tsc; struct iwl_wowlan_tkip_params_cmd *tkip; bool error, use_rsc_tsc, use_tkip; - int gtk_key_idx; + int wep_key_idx; }; static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, @@ -188,8 +188,8 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, wkc.wep_key.key_offset = 0; } else { /* others start at 1 */ - data->gtk_key_idx++; - wkc.wep_key.key_offset = data->gtk_key_idx; + data->wep_key_idx++; + wkc.wep_key.key_offset = data->wep_key_idx; } ret = iwl_mvm_send_cmd_pdu(mvm, WEP_KEY, CMD_SYNC, @@ -316,8 +316,13 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, mvm->ptk_ivlen = key->iv_len; mvm->ptk_icvlen = key->icv_len; } else { - data->gtk_key_idx++; - key->hw_key_idx = data->gtk_key_idx; + /* + * firmware only supports TSC/RSC for a single key, + * so if there are multiple keep overwriting them + * with new ones -- this relies on mac80211 doing + * list_add_tail(). + */ + key->hw_key_idx = 1; mvm->gtk_ivlen = key->iv_len; mvm->gtk_icvlen = key->icv_len; } diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index e56ed2a..c24a744 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -988,7 +988,11 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); char buf[100]; - if (!dbgfs_dir) + /* + * Check if debugfs directory already exist before creating it. + * This may happen when, for example, resetting hw or suspend-resume + */ + if (!dbgfs_dir || mvmvif->dbgfs_dir) return; mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir); diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index b60d141..365095a 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -69,7 +69,6 @@ /* Scan Commands, Responses, Notifications */ /* Masks for iwl_scan_channel.type flags */ -#define SCAN_CHANNEL_TYPE_PASSIVE 0 #define SCAN_CHANNEL_TYPE_ACTIVE BIT(0) #define SCAN_CHANNEL_NARROW_BAND BIT(22) diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index e08683b..f19baf0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -257,7 +257,11 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) if (ret) return ret; - return ieee80211_register_hw(mvm->hw); + ret = ieee80211_register_hw(mvm->hw); + if (ret) + iwl_mvm_leds_exit(mvm); + + return ret; } static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, @@ -385,6 +389,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) ieee80211_wake_queues(mvm->hw); mvm->vif_count = 0; + mvm->rx_ba_sessions = 0; } static int iwl_mvm_mac_start(struct ieee80211_hw *hw) @@ -507,6 +512,27 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, goto out_unlock; /* + * TODO: remove this temporary code. + * Currently MVM FW supports power management only on single MAC. + * If new interface added, disable PM on existing interface. + * P2P device is a special case, since it is handled by FW similary to + * scan. If P2P deviced is added, PM remains enabled on existing + * interface. + * Note: the method below does not count the new interface being added + * at this moment. + */ + if (vif->type != NL80211_IFTYPE_P2P_DEVICE) + mvm->vif_count++; + if (mvm->vif_count > 1) { + IWL_DEBUG_MAC80211(mvm, + "Disable power on existing interfaces\n"); + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, + IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_pm_disable_iterator, mvm); + } + + /* * The AP binding flow can be done only after the beacon * template is configured (which happens only in the mac80211 * start_ap() flow), and adding the broadcast station can happen @@ -529,27 +555,6 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, goto out_unlock; } - /* - * TODO: remove this temporary code. - * Currently MVM FW supports power management only on single MAC. - * If new interface added, disable PM on existing interface. - * P2P device is a special case, since it is handled by FW similary to - * scan. If P2P deviced is added, PM remains enabled on existing - * interface. - * Note: the method below does not count the new interface being added - * at this moment. - */ - if (vif->type != NL80211_IFTYPE_P2P_DEVICE) - mvm->vif_count++; - if (mvm->vif_count > 1) { - IWL_DEBUG_MAC80211(mvm, - "Disable power on existing interfaces\n"); - ieee80211_iterate_active_interfaces_atomic( - mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_pm_disable_iterator, mvm); - } - ret = iwl_mvm_mac_ctxt_add(mvm, vif); if (ret) goto out_release; @@ -1006,6 +1011,21 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, mutex_lock(&mvm->mutex); if (old_state == IEEE80211_STA_NOTEXIST && new_state == IEEE80211_STA_NONE) { + /* + * Firmware bug - it'll crash if the beacon interval is less + * than 16. We can't avoid connecting at all, so refuse the + * station state change, this will cause mac80211 to abandon + * attempts to connect to this AP, and eventually wpa_s will + * blacklist the AP... + */ + if (vif->type == NL80211_IFTYPE_STATION && + vif->bss_conf.beacon_int < 16) { + IWL_ERR(mvm, + "AP %pM beacon interval is %d, refusing due to firmware bug!\n", + sta->addr, vif->bss_conf.beacon_int); + ret = -EINVAL; + goto out_unlock; + } ret = iwl_mvm_add_sta(mvm, vif, sta); } else if (old_state == IEEE80211_STA_NONE && new_state == IEEE80211_STA_AUTH) { @@ -1038,6 +1058,7 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, } else { ret = -EIO; } + out_unlock: mutex_unlock(&mvm->mutex); return ret; diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index d40d7db..420e82d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -419,6 +419,7 @@ struct iwl_mvm { struct work_struct sta_drained_wk; unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; atomic_t pending_frames[IWL_MVM_STATION_COUNT]; + u8 rx_ba_sessions; /* configured by mac80211 */ u32 rts_threshold; diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 2157b0f..acdff6b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -137,8 +137,8 @@ static void iwl_mvm_scan_fill_ssids(struct iwl_scan_cmd *cmd, { int fw_idx, req_idx; - fw_idx = 0; - for (req_idx = req->n_ssids - 1; req_idx > 0; req_idx--) { + for (req_idx = req->n_ssids - 1, fw_idx = 0; req_idx > 0; + req_idx--, fw_idx++) { cmd->direct_scan[fw_idx].id = WLAN_EID_SSID; cmd->direct_scan[fw_idx].len = req->ssids[req_idx].ssid_len; memcpy(cmd->direct_scan[fw_idx].ssid, @@ -153,7 +153,9 @@ static void iwl_mvm_scan_fill_ssids(struct iwl_scan_cmd *cmd, * just to notify that this scan is active and not passive. * In order to notify the FW of the number of SSIDs we wish to scan (including * the zero-length one), we need to set the corresponding bits in chan->type, - * one for each SSID, and set the active bit (first). + * one for each SSID, and set the active bit (first). The first SSID is already + * included in the probe template, so we need to set only req->n_ssids - 1 bits + * in addition to the first bit. */ static u16 iwl_mvm_get_active_dwell(enum ieee80211_band band, int n_ssids) { @@ -176,19 +178,12 @@ static void iwl_mvm_scan_fill_channels(struct iwl_scan_cmd *cmd, struct iwl_scan_channel *chan = (struct iwl_scan_channel *) (cmd->data + le16_to_cpu(cmd->tx_cmd.len)); int i; - __le32 chan_type_value; - - if (req->n_ssids > 0) - chan_type_value = cpu_to_le32(BIT(req->n_ssids + 1) - 1); - else - chan_type_value = SCAN_CHANNEL_TYPE_PASSIVE; for (i = 0; i < cmd->channel_count; i++) { chan->channel = cpu_to_le16(req->channels[i]->hw_value); + chan->type = cpu_to_le32(BIT(req->n_ssids) - 1); if (req->channels[i]->flags & IEEE80211_CHAN_PASSIVE_SCAN) - chan->type = SCAN_CHANNEL_TYPE_PASSIVE; - else - chan->type = chan_type_value; + chan->type &= cpu_to_le32(~SCAN_CHANNEL_TYPE_ACTIVE); chan->active_dwell = cpu_to_le16(active_dwell); chan->passive_dwell = cpu_to_le16(passive_dwell); chan->iteration_count = cpu_to_le16(1); diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 62fe520..563f559 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -608,6 +608,8 @@ int iwl_mvm_rm_bcast_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *bsta) return ret; } +#define IWL_MAX_RX_BA_SESSIONS 16 + int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, int tid, u16 ssn, bool start) { @@ -618,11 +620,20 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, lockdep_assert_held(&mvm->mutex); + if (start && mvm->rx_ba_sessions >= IWL_MAX_RX_BA_SESSIONS) { + IWL_WARN(mvm, "Not enough RX BA SESSIONS\n"); + return -ENOSPC; + } + cmd.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color); cmd.sta_id = mvm_sta->sta_id; cmd.add_modify = STA_MODE_MODIFY; - cmd.add_immediate_ba_tid = (u8) tid; - cmd.add_immediate_ba_ssn = cpu_to_le16(ssn); + if (start) { + cmd.add_immediate_ba_tid = (u8) tid; + cmd.add_immediate_ba_ssn = cpu_to_le16(ssn); + } else { + cmd.remove_immediate_ba_tid = (u8) tid; + } cmd.modify_mask = start ? STA_MODIFY_ADD_BA_TID : STA_MODIFY_REMOVE_BA_TID; @@ -648,6 +659,14 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, break; } + if (!ret) { + if (start) + mvm->rx_ba_sessions++; + else if (mvm->rx_ba_sessions > 0) + /* check that restart flow didn't zero the counter */ + mvm->rx_ba_sessions--; + } + return ret; } @@ -896,6 +915,7 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv; struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; u16 txq_id; + enum iwl_mvm_agg_state old_state; /* * First set the agg state to OFF to avoid calling @@ -905,13 +925,17 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif, txq_id = tid_data->txq_id; IWL_DEBUG_TX_QUEUES(mvm, "Flush AGG: sta %d tid %d q %d state %d\n", mvmsta->sta_id, tid, txq_id, tid_data->state); + old_state = tid_data->state; tid_data->state = IWL_AGG_OFF; spin_unlock_bh(&mvmsta->lock); - if (iwl_mvm_flush_tx_path(mvm, BIT(txq_id), true)) - IWL_ERR(mvm, "Couldn't flush the AGG queue\n"); + if (old_state >= IWL_AGG_ON) { + if (iwl_mvm_flush_tx_path(mvm, BIT(txq_id), true)) + IWL_ERR(mvm, "Couldn't flush the AGG queue\n"); + + iwl_trans_txq_disable(mvm->trans, tid_data->txq_id); + } - iwl_trans_txq_disable(mvm->trans, tid_data->txq_id); mvm->queue_to_mac80211[tid_data->txq_id] = IWL_INVALID_MAC80211_QUEUE; diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 81f3ea5..ff13458 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -130,6 +130,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */ {IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */ {IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */ + {IWL_PCI_DEVICE(0x423C, 0x1326, iwl5150_abg_cfg)}, /* Half Mini Card */ {IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */ {IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */ diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index fd848cd..f600e68 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -888,6 +888,14 @@ irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id) iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill); if (hw_rfkill) { + /* + * Clear the interrupt in APMG if the NIC is going down. + * Note that when the NIC exits RFkill (else branch), we + * can't access prph and the NIC will be reset in + * start_hw anyway. + */ + iwl_write_prph(trans, APMG_RTC_INT_STT_REG, + APMG_RTC_INT_STT_RFKILL); set_bit(STATUS_RFKILL, &trans_pcie->status); if (test_and_clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status)) diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 826c156..96cfcdd 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -670,6 +670,11 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans) return err; } + /* Reset the entire device */ + iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + + usleep_range(10, 15); + iwl_pcie_apm_init(trans); /* From now on, the op_mode will be kept updated about RF kill state */ diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index ef5fa89..89459db 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1716,9 +1716,9 @@ mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); int ret; - if (priv->bss_mode != NL80211_IFTYPE_STATION) { + if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { wiphy_err(wiphy, - "%s: reject infra assoc request in non-STA mode\n", + "%s: reject infra assoc request in non-STA role\n", dev->name); return -EINVAL; } diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c index 988552d..5178c46 100644 --- a/drivers/net/wireless/mwifiex/cfp.c +++ b/drivers/net/wireless/mwifiex/cfp.c @@ -415,7 +415,8 @@ u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates) u32 k = 0; struct mwifiex_adapter *adapter = priv->adapter; - if (priv->bss_mode == NL80211_IFTYPE_STATION) { + if (priv->bss_mode == NL80211_IFTYPE_STATION || + priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) { switch (adapter->config_bands) { case BAND_B: dev_dbg(adapter->dev, "info: infra band=%d " diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index caaf4bd..2cf8b96 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -693,7 +693,7 @@ int mwifiex_dnld_fw(struct mwifiex_adapter *adapter, if (!ret) { dev_notice(adapter->dev, "WLAN FW already running! Skip FW dnld\n"); - goto done; + return 0; } poll_num = MAX_FIRMWARE_POLL_TRIES; @@ -719,14 +719,8 @@ int mwifiex_dnld_fw(struct mwifiex_adapter *adapter, poll_fw: /* Check if the firmware is downloaded successfully or not */ ret = adapter->if_ops.check_fw_status(adapter, poll_num); - if (ret) { + if (ret) dev_err(adapter->dev, "FW failed to be active in time\n"); - return -1; - } -done: - /* re-enable host interrupt for mwifiex after fw dnld is successful */ - if (adapter->if_ops.enable_int) - adapter->if_ops.enable_int(adapter); return ret; } diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c index 1c8a771..12e7781 100644 --- a/drivers/net/wireless/mwifiex/join.c +++ b/drivers/net/wireless/mwifiex/join.c @@ -1291,8 +1291,10 @@ int mwifiex_associate(struct mwifiex_private *priv, { u8 current_bssid[ETH_ALEN]; - /* Return error if the adapter or table entry is not marked as infra */ - if ((priv->bss_mode != NL80211_IFTYPE_STATION) || + /* Return error if the adapter is not STA role or table entry + * is not marked as infra. + */ + if ((GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) || (bss_desc->bss_mode != NL80211_IFTYPE_STATION)) return -1; diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index e15ab72..1753431 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -427,6 +427,10 @@ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context) "Cal data request_firmware() failed\n"); } + /* enable host interrupt after fw dnld is successful */ + if (adapter->if_ops.enable_int) + adapter->if_ops.enable_int(adapter); + adapter->init_wait_q_woken = false; ret = mwifiex_init_fw(adapter); if (ret == -1) { @@ -478,6 +482,8 @@ err_add_intf: mwifiex_del_virtual_intf(adapter->wiphy, priv->wdev); rtnl_unlock(); err_init_fw: + if (adapter->if_ops.disable_int) + adapter->if_ops.disable_int(adapter); pr_debug("info: %s: unregister device\n", __func__); adapter->if_ops.unregister_dev(adapter); done: @@ -855,7 +861,7 @@ mwifiex_add_card(void *card, struct semaphore *sem, INIT_WORK(&adapter->main_work, mwifiex_main_work_queue); /* Register the device. Fill up the private data structure with relevant - information from the card and request for the required IRQ. */ + information from the card. */ if (adapter->if_ops.register_dev(adapter)) { pr_err("%s: failed to register mwifiex device\n", __func__); goto err_registerdev; @@ -919,6 +925,11 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem) if (!adapter) goto exit_remove; + /* We can no longer handle interrupts once we start doing the teardown + * below. */ + if (adapter->if_ops.disable_int) + adapter->if_ops.disable_int(adapter); + adapter->surprise_removed = true; /* Stop data */ diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 3da73d3..253e0bd 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -601,6 +601,7 @@ struct mwifiex_if_ops { int (*register_dev) (struct mwifiex_adapter *); void (*unregister_dev) (struct mwifiex_adapter *); int (*enable_int) (struct mwifiex_adapter *); + void (*disable_int) (struct mwifiex_adapter *); int (*process_int_status) (struct mwifiex_adapter *); int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *, struct mwifiex_tx_param *); diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c index 5ee5ed0..09185c9 100644 --- a/drivers/net/wireless/mwifiex/sdio.c +++ b/drivers/net/wireless/mwifiex/sdio.c @@ -51,6 +51,7 @@ static struct mwifiex_if_ops sdio_ops; static struct semaphore add_remove_card_sem; static int mwifiex_sdio_resume(struct device *dev); +static void mwifiex_sdio_interrupt(struct sdio_func *func); /* * SDIO probe. @@ -296,6 +297,15 @@ static struct sdio_driver mwifiex_sdio = { } }; +/* Write data into SDIO card register. Caller claims SDIO device. */ +static int +mwifiex_write_reg_locked(struct sdio_func *func, u32 reg, u8 data) +{ + int ret = -1; + sdio_writeb(func, data, reg, &ret); + return ret; +} + /* * This function writes data into SDIO card register. */ @@ -303,10 +313,10 @@ static int mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u8 data) { struct sdio_mmc_card *card = adapter->card; - int ret = -1; + int ret; sdio_claim_host(card->func); - sdio_writeb(card->func, data, reg, &ret); + ret = mwifiex_write_reg_locked(card->func, reg, data); sdio_release_host(card->func); return ret; @@ -685,23 +695,15 @@ mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat) * The host interrupt mask is read, the disable bit is reset and * written back to the card host interrupt mask register. */ -static int mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter) +static void mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter) { - u8 host_int_mask, host_int_disable = HOST_INT_DISABLE; - - /* Read back the host_int_mask register */ - if (mwifiex_read_reg(adapter, HOST_INT_MASK_REG, &host_int_mask)) - return -1; - - /* Update with the mask and write back to the register */ - host_int_mask &= ~host_int_disable; - - if (mwifiex_write_reg(adapter, HOST_INT_MASK_REG, host_int_mask)) { - dev_err(adapter->dev, "disable host interrupt failed\n"); - return -1; - } + struct sdio_mmc_card *card = adapter->card; + struct sdio_func *func = card->func; - return 0; + sdio_claim_host(func); + mwifiex_write_reg_locked(func, HOST_INT_MASK_REG, 0); + sdio_release_irq(func); + sdio_release_host(func); } /* @@ -713,14 +715,29 @@ static int mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter) static int mwifiex_sdio_enable_host_int(struct mwifiex_adapter *adapter) { struct sdio_mmc_card *card = adapter->card; + struct sdio_func *func = card->func; + int ret; + + sdio_claim_host(func); + + /* Request the SDIO IRQ */ + ret = sdio_claim_irq(func, mwifiex_sdio_interrupt); + if (ret) { + dev_err(adapter->dev, "claim irq failed: ret=%d\n", ret); + goto out; + } /* Simply write the mask to the register */ - if (mwifiex_write_reg(adapter, HOST_INT_MASK_REG, - card->reg->host_int_enable)) { + ret = mwifiex_write_reg_locked(func, HOST_INT_MASK_REG, + card->reg->host_int_enable); + if (ret) { dev_err(adapter->dev, "enable host interrupt failed\n"); - return -1; + sdio_release_irq(func); } - return 0; + +out: + sdio_release_host(func); + return ret; } /* @@ -997,9 +1014,6 @@ mwifiex_sdio_interrupt(struct sdio_func *func) } adapter = card->adapter; - if (adapter->surprise_removed) - return; - if (!adapter->pps_uapsd_mode && adapter->ps_state == PS_STATE_SLEEP) adapter->ps_state = PS_STATE_AWAKE; @@ -1625,8 +1639,8 @@ static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter, /* Allocate buffer and copy payload */ blk_size = MWIFIEX_SDIO_BLOCK_SIZE; buf_block_len = (pkt_len + blk_size - 1) / blk_size; - *(u16 *) &payload[0] = (u16) pkt_len; - *(u16 *) &payload[2] = type; + *(__le16 *)&payload[0] = cpu_to_le16((u16)pkt_len); + *(__le16 *)&payload[2] = cpu_to_le16(type); /* * This is SDIO specific header @@ -1728,9 +1742,7 @@ mwifiex_unregister_dev(struct mwifiex_adapter *adapter) struct sdio_mmc_card *card = adapter->card; if (adapter->card) { - /* Release the SDIO IRQ */ sdio_claim_host(card->func); - sdio_release_irq(card->func); sdio_disable_func(card->func); sdio_release_host(card->func); sdio_set_drvdata(card->func, NULL); @@ -1744,7 +1756,7 @@ mwifiex_unregister_dev(struct mwifiex_adapter *adapter) */ static int mwifiex_register_dev(struct mwifiex_adapter *adapter) { - int ret = 0; + int ret; struct sdio_mmc_card *card = adapter->card; struct sdio_func *func = card->func; @@ -1753,22 +1765,14 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter) sdio_claim_host(func); - /* Request the SDIO IRQ */ - ret = sdio_claim_irq(func, mwifiex_sdio_interrupt); - if (ret) { - pr_err("claim irq failed: ret=%d\n", ret); - goto disable_func; - } - /* Set block size */ ret = sdio_set_block_size(card->func, MWIFIEX_SDIO_BLOCK_SIZE); + sdio_release_host(func); if (ret) { pr_err("cannot set SDIO block size\n"); - ret = -1; - goto release_irq; + return ret; } - sdio_release_host(func); sdio_set_drvdata(func, card); adapter->dev = &func->dev; @@ -1776,15 +1780,6 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter) strcpy(adapter->fw_name, card->firmware); return 0; - -release_irq: - sdio_release_irq(func); -disable_func: - sdio_disable_func(func); - sdio_release_host(func); - adapter->card = NULL; - - return -1; } /* @@ -1813,9 +1808,6 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter) */ mwifiex_read_reg(adapter, HOST_INTSTATUS_REG, &sdio_ireg); - /* Disable host interrupt mask register for SDIO */ - mwifiex_sdio_disable_host_int(adapter); - /* Get SDIO ioport */ mwifiex_init_sdio_ioport(adapter); @@ -1957,6 +1949,7 @@ static struct mwifiex_if_ops sdio_ops = { .register_dev = mwifiex_register_dev, .unregister_dev = mwifiex_unregister_dev, .enable_int = mwifiex_sdio_enable_host_int, + .disable_int = mwifiex_sdio_disable_host_int, .process_int_status = mwifiex_process_int_status, .host_to_card = mwifiex_sdio_host_to_card, .wakeup = mwifiex_pm_wakeup_card, diff --git a/drivers/net/wireless/mwifiex/sdio.h b/drivers/net/wireless/mwifiex/sdio.h index 6d51dfd..532ae0a 100644 --- a/drivers/net/wireless/mwifiex/sdio.h +++ b/drivers/net/wireless/mwifiex/sdio.h @@ -92,9 +92,6 @@ /* Host Control Registers : Download host interrupt mask */ #define DN_LD_HOST_INT_MASK (0x2U) -/* Disable Host interrupt mask */ -#define HOST_INT_DISABLE 0xff - /* Host Control Registers : Host interrupt status */ #define HOST_INTSTATUS_REG 0x03 /* Host Control Registers : Upload host interrupt status */ diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index 206c3e0..8af97ab 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -257,10 +257,10 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, goto done; } - if (priv->bss_mode == NL80211_IFTYPE_STATION) { + if (priv->bss_mode == NL80211_IFTYPE_STATION || + priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) { u8 config_bands; - /* Infra mode */ ret = mwifiex_deauthenticate(priv, NULL); if (ret) goto done; diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig index 9b915d3..3e60a31 100644 --- a/drivers/net/wireless/rt2x00/Kconfig +++ b/drivers/net/wireless/rt2x00/Kconfig @@ -1,6 +1,6 @@ menuconfig RT2X00 tristate "Ralink driver support" - depends on MAC80211 + depends on MAC80211 && HAS_DMA ---help--- This will enable the support for the Ralink drivers, developed in the rt2x00 project <http://rt2x00.serialmonkey.com>. diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 6c0a91f..aa95c6c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -936,13 +936,8 @@ void rt2x00queue_index_inc(struct queue_entry *entry, enum queue_index index) spin_unlock_irqrestore(&queue->index_lock, irqflags); } -void rt2x00queue_pause_queue(struct data_queue *queue) +void rt2x00queue_pause_queue_nocheck(struct data_queue *queue) { - if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) || - !test_bit(QUEUE_STARTED, &queue->flags) || - test_and_set_bit(QUEUE_PAUSED, &queue->flags)) - return; - switch (queue->qid) { case QID_AC_VO: case QID_AC_VI: @@ -958,6 +953,15 @@ void rt2x00queue_pause_queue(struct data_queue *queue) break; } } +void rt2x00queue_pause_queue(struct data_queue *queue) +{ + if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) || + !test_bit(QUEUE_STARTED, &queue->flags) || + test_and_set_bit(QUEUE_PAUSED, &queue->flags)) + return; + + rt2x00queue_pause_queue_nocheck(queue); +} EXPORT_SYMBOL_GPL(rt2x00queue_pause_queue); void rt2x00queue_unpause_queue(struct data_queue *queue) @@ -1019,7 +1023,7 @@ void rt2x00queue_stop_queue(struct data_queue *queue) return; } - rt2x00queue_pause_queue(queue); + rt2x00queue_pause_queue_nocheck(queue); queue->rt2x00dev->ops->lib->stop_queue(queue); diff --git a/drivers/net/wireless/rtlwifi/Kconfig b/drivers/net/wireless/rtlwifi/Kconfig index 7253de3..c2ffce7 100644 --- a/drivers/net/wireless/rtlwifi/Kconfig +++ b/drivers/net/wireless/rtlwifi/Kconfig @@ -1,27 +1,20 @@ -config RTLWIFI - tristate "Realtek wireless card support" - depends on MAC80211 - select FW_LOADER - ---help--- - This is common code for RTL8192CE/RTL8192CU/RTL8192SE/RTL8723AE - drivers. This module does nothing by itself - the various front-end - drivers need to be enabled to support any desired devices. - - If you choose to build as a module, it'll be called rtlwifi. - -config RTLWIFI_DEBUG - bool "Debugging output for rtlwifi driver family" - depends on RTLWIFI +menuconfig RTL_CARDS + tristate "Realtek rtlwifi family of devices" + depends on MAC80211 && (PCI || USB) default y ---help--- - To use the module option that sets the dynamic-debugging level for, - the front-end driver, this parameter must be "Y". For memory-limited - systems, choose "N". If in doubt, choose "Y". + This option will enable support for the Realtek mac80211-based + wireless drivers. Drivers rtl8192ce, rtl8192cu, rtl8192se, rtl8192de, + rtl8723eu, and rtl8188eu share some common code. + +if RTL_CARDS config RTL8192CE tristate "Realtek RTL8192CE/RTL8188CE Wireless Network Adapter" - depends on RTLWIFI && PCI + depends on PCI select RTL8192C_COMMON + select RTLWIFI + select RTLWIFI_PCI ---help--- This is the driver for Realtek RTL8192CE/RTL8188CE 802.11n PCIe wireless network adapters. @@ -30,7 +23,9 @@ config RTL8192CE config RTL8192SE tristate "Realtek RTL8192SE/RTL8191SE PCIe Wireless Network Adapter" - depends on RTLWIFI && PCI + depends on PCI + select RTLWIFI + select RTLWIFI_PCI ---help--- This is the driver for Realtek RTL8192SE/RTL8191SE 802.11n PCIe wireless network adapters. @@ -39,7 +34,9 @@ config RTL8192SE config RTL8192DE tristate "Realtek RTL8192DE/RTL8188DE PCIe Wireless Network Adapter" - depends on RTLWIFI && PCI + depends on PCI + select RTLWIFI + select RTLWIFI_PCI ---help--- This is the driver for Realtek RTL8192DE/RTL8188DE 802.11n PCIe wireless network adapters. @@ -48,7 +45,9 @@ config RTL8192DE config RTL8723AE tristate "Realtek RTL8723AE PCIe Wireless Network Adapter" - depends on RTLWIFI && PCI + depends on PCI + select RTLWIFI + select RTLWIFI_PCI ---help--- This is the driver for Realtek RTL8723AE 802.11n PCIe wireless network adapters. @@ -57,7 +56,9 @@ config RTL8723AE config RTL8188EE tristate "Realtek RTL8188EE Wireless Network Adapter" - depends on RTLWIFI && PCI + depends on PCI + select RTLWIFI + select RTLWIFI_PCI ---help--- This is the driver for Realtek RTL8188EE 802.11n PCIe wireless network adapters. @@ -66,7 +67,9 @@ config RTL8188EE config RTL8192CU tristate "Realtek RTL8192CU/RTL8188CU USB Wireless Network Adapter" - depends on RTLWIFI && USB + depends on USB + select RTLWIFI + select RTLWIFI_USB select RTL8192C_COMMON ---help--- This is the driver for Realtek RTL8192CU/RTL8188CU 802.11n USB @@ -74,7 +77,28 @@ config RTL8192CU If you choose to build it as a module, it will be called rtl8192cu +config RTLWIFI + tristate + select FW_LOADER + +config RTLWIFI_PCI + tristate + +config RTLWIFI_USB + tristate + +config RTLWIFI_DEBUG + bool "Debugging output for rtlwifi driver family" + depends on RTLWIFI + default y + ---help--- + To use the module option that sets the dynamic-debugging level for, + the front-end driver, this parameter must be "Y". For memory-limited + systems, choose "N". If in doubt, choose "Y". + config RTL8192C_COMMON tristate depends on RTL8192CE || RTL8192CU - default m + default y + +endif diff --git a/drivers/net/wireless/rtlwifi/Makefile b/drivers/net/wireless/rtlwifi/Makefile index ff02b87..d56f023 100644 --- a/drivers/net/wireless/rtlwifi/Makefile +++ b/drivers/net/wireless/rtlwifi/Makefile @@ -12,13 +12,11 @@ rtlwifi-objs := \ rtl8192c_common-objs += \ -ifneq ($(CONFIG_PCI),) -rtlwifi-objs += pci.o -endif +obj-$(CONFIG_RTLWIFI_PCI) += rtl_pci.o +rtl_pci-objs := pci.o -ifneq ($(CONFIG_USB),) -rtlwifi-objs += usb.o -endif +obj-$(CONFIG_RTLWIFI_USB) += rtl_usb.o +rtl_usb-objs := usb.o obj-$(CONFIG_RTL8192C_COMMON) += rtl8192c/ obj-$(CONFIG_RTL8192CE) += rtl8192ce/ diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index 9d558ac..7651f5a 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -172,6 +172,7 @@ u8 rtl_tid_to_ac(u8 tid) { return tid_to_ac[tid]; } +EXPORT_SYMBOL_GPL(rtl_tid_to_ac); static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw, struct ieee80211_sta_ht_cap *ht_cap) @@ -406,6 +407,7 @@ void rtl_deinit_deferred_work(struct ieee80211_hw *hw) cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); cancel_delayed_work(&rtlpriv->works.fwevt_wq); } +EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work); void rtl_init_rfkill(struct ieee80211_hw *hw) { @@ -439,6 +441,7 @@ void rtl_deinit_rfkill(struct ieee80211_hw *hw) { wiphy_rfkill_stop_polling(hw->wiphy); } +EXPORT_SYMBOL_GPL(rtl_deinit_rfkill); int rtl_init_core(struct ieee80211_hw *hw) { @@ -489,10 +492,12 @@ int rtl_init_core(struct ieee80211_hw *hw) return 0; } +EXPORT_SYMBOL_GPL(rtl_init_core); void rtl_deinit_core(struct ieee80211_hw *hw) { } +EXPORT_SYMBOL_GPL(rtl_deinit_core); void rtl_init_rx_config(struct ieee80211_hw *hw) { @@ -501,6 +506,7 @@ void rtl_init_rx_config(struct ieee80211_hw *hw) rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); } +EXPORT_SYMBOL_GPL(rtl_init_rx_config); /********************************************************* * @@ -879,6 +885,7 @@ bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb) return true; } +EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc); void rtl_get_tcb_desc(struct ieee80211_hw *hw, struct ieee80211_tx_info *info, @@ -1052,6 +1059,7 @@ bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) return true; } +EXPORT_SYMBOL_GPL(rtl_action_proc); /*should call before software enc*/ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) @@ -1125,6 +1133,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) return false; } +EXPORT_SYMBOL_GPL(rtl_is_special_data); /********************************************************* * @@ -1300,6 +1309,7 @@ void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) rtlpriv->link_info.bcn_rx_inperiod++; } +EXPORT_SYMBOL_GPL(rtl_beacon_statistic); void rtl_watchdog_wq_callback(void *data) { @@ -1793,6 +1803,7 @@ void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len) mac->vendor = vendor; } +EXPORT_SYMBOL_GPL(rtl_recognize_peer); /********************************************************* * @@ -1849,6 +1860,7 @@ struct attribute_group rtl_attribute_group = { .name = "rtlsysfs", .attrs = rtl_sysfs_entries, }; +EXPORT_SYMBOL_GPL(rtl_attribute_group); MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); @@ -1856,7 +1868,8 @@ MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); -struct rtl_global_var global_var = {}; +struct rtl_global_var rtl_global_var = {}; +EXPORT_SYMBOL_GPL(rtl_global_var); static int __init rtl_core_module_init(void) { @@ -1864,8 +1877,8 @@ static int __init rtl_core_module_init(void) pr_err("Unable to register rtl_rc, use default RC !!\n"); /* init some global vars */ - INIT_LIST_HEAD(&global_var.glb_priv_list); - spin_lock_init(&global_var.glb_list_lock); + INIT_LIST_HEAD(&rtl_global_var.glb_priv_list); + spin_lock_init(&rtl_global_var.glb_list_lock); return 0; } diff --git a/drivers/net/wireless/rtlwifi/base.h b/drivers/net/wireless/rtlwifi/base.h index 8576bc3..0e5fe09 100644 --- a/drivers/net/wireless/rtlwifi/base.h +++ b/drivers/net/wireless/rtlwifi/base.h @@ -147,7 +147,7 @@ void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len); u8 rtl_tid_to_ac(u8 tid); extern struct attribute_group rtl_attribute_group; void rtl_easy_concurrent_retrytimer_callback(unsigned long data); -extern struct rtl_global_var global_var; +extern struct rtl_global_var rtl_global_var; int rtlwifi_rate_mapping(struct ieee80211_hw *hw, bool isht, u8 desc_rate, bool first_ampdu); bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb); diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c index ee84844..733b7ce 100644 --- a/drivers/net/wireless/rtlwifi/core.c +++ b/drivers/net/wireless/rtlwifi/core.c @@ -1330,3 +1330,4 @@ const struct ieee80211_ops rtl_ops = { .rfkill_poll = rtl_op_rfkill_poll, .flush = rtl_op_flush, }; +EXPORT_SYMBOL_GPL(rtl_ops); diff --git a/drivers/net/wireless/rtlwifi/debug.c b/drivers/net/wireless/rtlwifi/debug.c index 7d52d3d..76e2086 100644 --- a/drivers/net/wireless/rtlwifi/debug.c +++ b/drivers/net/wireless/rtlwifi/debug.c @@ -51,3 +51,4 @@ void rtl_dbgp_flag_init(struct ieee80211_hw *hw) /*Init Debug flag enable condition */ } +EXPORT_SYMBOL_GPL(rtl_dbgp_flag_init); diff --git a/drivers/net/wireless/rtlwifi/efuse.c b/drivers/net/wireless/rtlwifi/efuse.c index 9e38941..838a1ed 100644 --- a/drivers/net/wireless/rtlwifi/efuse.c +++ b/drivers/net/wireless/rtlwifi/efuse.c @@ -229,6 +229,7 @@ void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf) *pbuf = (u8) (value32 & 0xff); } +EXPORT_SYMBOL_GPL(read_efuse_byte); void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf) { diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index c97e9d3..703f839 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -35,6 +35,13 @@ #include "efuse.h" #include <linux/export.h> #include <linux/kmemleak.h> +#include <linux/module.h> + +MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); +MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); +MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("PCI basic driver for rtlwifi"); static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = { PCI_VENDOR_ID_INTEL, @@ -1008,19 +1015,6 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw) return; } -static void rtl_lps_change_work_callback(struct work_struct *work) -{ - struct rtl_works *rtlworks = - container_of(work, struct rtl_works, lps_change_work); - struct ieee80211_hw *hw = rtlworks->hw; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - if (rtlpriv->enter_ps) - rtl_lps_enter(hw); - else - rtl_lps_leave(hw); -} - static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw) { struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); @@ -1899,7 +1893,7 @@ int rtl_pci_probe(struct pci_dev *pdev, rtlpriv->rtlhal.interface = INTF_PCI; rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_data); rtlpriv->intf_ops = &rtl_pci_ops; - rtlpriv->glb_var = &global_var; + rtlpriv->glb_var = &rtl_global_var; /* *init dbgp flags before all diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c index 884bcea..298b615 100644 --- a/drivers/net/wireless/rtlwifi/ps.c +++ b/drivers/net/wireless/rtlwifi/ps.c @@ -269,6 +269,7 @@ void rtl_ips_nic_on(struct ieee80211_hw *hw) spin_unlock_irqrestore(&rtlpriv->locks.ips_lock, flags); } +EXPORT_SYMBOL_GPL(rtl_ips_nic_on); /*for FW LPS*/ @@ -518,6 +519,7 @@ void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len) "u_bufferd: %x, m_buffered: %x\n", u_buffed, m_buffed); } } +EXPORT_SYMBOL_GPL(rtl_swlps_beacon); void rtl_swlps_rf_awake(struct ieee80211_hw *hw) { @@ -611,6 +613,19 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw) MSECS(sleep_intv * mac->vif->bss_conf.beacon_int - 40)); } +void rtl_lps_change_work_callback(struct work_struct *work) +{ + struct rtl_works *rtlworks = + container_of(work, struct rtl_works, lps_change_work); + struct ieee80211_hw *hw = rtlworks->hw; + struct rtl_priv *rtlpriv = rtl_priv(hw); + + if (rtlpriv->enter_ps) + rtl_lps_enter(hw); + else + rtl_lps_leave(hw); +} +EXPORT_SYMBOL_GPL(rtl_lps_change_work_callback); void rtl_swlps_wq_callback(void *data) { @@ -922,3 +937,4 @@ void rtl_p2p_info(struct ieee80211_hw *hw, void *data, unsigned int len) else rtl_p2p_noa_ie(hw, data, len - FCS_LEN); } +EXPORT_SYMBOL_GPL(rtl_p2p_info); diff --git a/drivers/net/wireless/rtlwifi/ps.h b/drivers/net/wireless/rtlwifi/ps.h index 4d682b7..88bd76e 100644 --- a/drivers/net/wireless/rtlwifi/ps.h +++ b/drivers/net/wireless/rtlwifi/ps.h @@ -49,5 +49,6 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw); void rtl_swlps_rf_sleep(struct ieee80211_hw *hw); void rtl_p2p_ps_cmd(struct ieee80211_hw *hw, u8 p2p_ps_state); void rtl_p2p_info(struct ieee80211_hw *hw, void *data, unsigned int len); +void rtl_lps_change_work_callback(struct work_struct *work); #endif diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index a3532e0..e56778c 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -32,6 +32,13 @@ #include "ps.h" #include "rtl8192c/fw_common.h" #include <linux/export.h> +#include <linux/module.h> + +MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>"); +MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); +MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("USB basic driver for rtlwifi"); #define REALTEK_USB_VENQT_READ 0xC0 #define REALTEK_USB_VENQT_WRITE 0x40 @@ -1070,6 +1077,8 @@ int rtl_usb_probe(struct usb_interface *intf, spin_lock_init(&rtlpriv->locks.usb_lock); INIT_WORK(&rtlpriv->works.fill_h2c_cmd, rtl_fill_h2c_cmd_work_callback); + INIT_WORK(&rtlpriv->works.lps_change_work, + rtl_lps_change_work_callback); rtlpriv->usb_data_index = 0; init_completion(&rtlpriv->firmware_loading_complete); diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index e79e006..9ee04b4 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -811,18 +811,28 @@ int iosapic_fixup_irq(void *isi_obj, struct pci_dev *pcidev) return pcidev->irq; } -static struct iosapic_info *first_isi = NULL; +static struct iosapic_info *iosapic_list; #ifdef CONFIG_64BIT -int iosapic_serial_irq(int num) +int iosapic_serial_irq(struct parisc_device *dev) { - struct iosapic_info *isi = first_isi; - struct irt_entry *irte = NULL; /* only used if PAT PDC */ + struct iosapic_info *isi; + struct irt_entry *irte; struct vector_info *vi; - int isi_line; /* line used by device */ + int cnt; + int intin; + + intin = (dev->mod_info >> 24) & 15; /* lookup IRT entry for isi/slot/pin set */ - irte = &irt_cell[num]; + for (cnt = 0; cnt < irt_num_entry; cnt++) { + irte = &irt_cell[cnt]; + if (COMPARE_IRTE_ADDR(irte, dev->mod0) && + irte->dest_iosapic_intin == intin) + break; + } + if (cnt >= irt_num_entry) + return 0; /* no irq found, force polling */ DBG_IRT("iosapic_serial_irq(): irte %p %x %x %x %x %x %x %x %x\n", irte, @@ -834,11 +844,17 @@ int iosapic_serial_irq(int num) irte->src_seg_id, irte->dest_iosapic_intin, (u32) irte->dest_iosapic_addr); - isi_line = irte->dest_iosapic_intin; + + /* search for iosapic */ + for (isi = iosapic_list; isi; isi = isi->isi_next) + if (isi->isi_hpa == dev->mod0) + break; + if (!isi) + return 0; /* no iosapic found, force polling */ /* get vector info for this input line */ - vi = isi->isi_vector + isi_line; - DBG_IRT("iosapic_serial_irq: line %d vi 0x%p\n", isi_line, vi); + vi = isi->isi_vector + intin; + DBG_IRT("iosapic_serial_irq: line %d vi 0x%p\n", iosapic_intin, vi); /* If this IRQ line has already been setup, skip it */ if (vi->irte) @@ -941,8 +957,8 @@ void *iosapic_register(unsigned long hpa) vip->irqline = (unsigned char) cnt; vip->iosapic = isi; } - if (!first_isi) - first_isi = isi; + isi->isi_next = iosapic_list; + iosapic_list = isi; return isi; } diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c index 13a633b..7bf3926 100644 --- a/drivers/pci/host/pci-mvebu.c +++ b/drivers/pci/host/pci-mvebu.c @@ -86,10 +86,6 @@ struct mvebu_sw_pci_bridge { u16 secondary_status; u16 membase; u16 memlimit; - u16 prefmembase; - u16 prefmemlimit; - u32 prefbaseupper; - u32 preflimitupper; u16 iobaseupper; u16 iolimitupper; u8 cappointer; @@ -419,15 +415,7 @@ static int mvebu_sw_pci_bridge_read(struct mvebu_pcie_port *port, break; case PCI_PREF_MEMORY_BASE: - *value = (bridge->prefmemlimit << 16 | bridge->prefmembase); - break; - - case PCI_PREF_BASE_UPPER32: - *value = bridge->prefbaseupper; - break; - - case PCI_PREF_LIMIT_UPPER32: - *value = bridge->preflimitupper; + *value = 0; break; case PCI_IO_BASE_UPPER16: @@ -501,19 +489,6 @@ static int mvebu_sw_pci_bridge_write(struct mvebu_pcie_port *port, mvebu_pcie_handle_membase_change(port); break; - case PCI_PREF_MEMORY_BASE: - bridge->prefmembase = value & 0xffff; - bridge->prefmemlimit = value >> 16; - break; - - case PCI_PREF_BASE_UPPER32: - bridge->prefbaseupper = value; - break; - - case PCI_PREF_LIMIT_UPPER32: - bridge->preflimitupper = value; - break; - case PCI_IO_BASE_UPPER16: bridge->iobaseupper = value & 0xffff; bridge->iolimitupper = value >> 16; diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig index bb7ebb2..d85009d 100644 --- a/drivers/pci/hotplug/Kconfig +++ b/drivers/pci/hotplug/Kconfig @@ -3,16 +3,13 @@ # menuconfig HOTPLUG_PCI - tristate "Support for PCI Hotplug" + bool "Support for PCI Hotplug" depends on PCI && SYSFS ---help--- Say Y here if you have a motherboard with a PCI Hotplug controller. This allows you to add and remove PCI cards while the machine is powered up and running. - To compile this driver as a module, choose M here: the - module will be called pci_hotplug. - When in doubt, say N. if HOTPLUG_PCI diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c index aac7a40..0e0d0f7 100644 --- a/drivers/pci/hotplug/pciehp_pci.c +++ b/drivers/pci/hotplug/pciehp_pci.c @@ -92,7 +92,14 @@ int pciehp_unconfigure_device(struct slot *p_slot) if (ret) presence = 0; - list_for_each_entry_safe(dev, temp, &parent->devices, bus_list) { + /* + * Stopping an SR-IOV PF device removes all the associated VFs, + * which will update the bus->devices list and confuse the + * iterator. Therefore, iterate in reverse so we remove the VFs + * first, then the PF. We do the same in pci_stop_bus_device(). + */ + list_for_each_entry_safe_reverse(dev, temp, &parent->devices, + bus_list) { pci_dev_get(dev); if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE && presence) { pci_read_config_byte(dev, PCI_BRIDGE_CONTROL, &bctl); diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index dbdc5f7..01e264f 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -317,13 +317,20 @@ void acpi_pci_remove_bus(struct pci_bus *bus) /* ACPI bus type */ static int acpi_pci_find_device(struct device *dev, acpi_handle *handle) { - struct pci_dev * pci_dev; - u64 addr; + struct pci_dev *pci_dev = to_pci_dev(dev); + bool is_bridge; + u64 addr; - pci_dev = to_pci_dev(dev); + /* + * pci_is_bridge() is not suitable here, because pci_dev->subordinate + * is set only after acpi_pci_find_device() has been called for the + * given device. + */ + is_bridge = pci_dev->hdr_type == PCI_HEADER_TYPE_BRIDGE + || pci_dev->hdr_type == PCI_HEADER_TYPE_CARDBUS; /* Please ref to ACPI spec for the syntax of _ADR */ addr = (PCI_SLOT(pci_dev->devfn) << 16) | PCI_FUNC(pci_dev->devfn); - *handle = acpi_get_child(DEVICE_ACPI_HANDLE(dev->parent), addr); + *handle = acpi_find_child(ACPI_HANDLE(dev->parent), addr, is_bridge); if (!*handle) return -ENODEV; return 0; diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig index 569f82f..3b94cfc 100644 --- a/drivers/pci/pcie/Kconfig +++ b/drivers/pci/pcie/Kconfig @@ -14,15 +14,12 @@ config PCIEPORTBUS # Include service Kconfig here # config HOTPLUG_PCI_PCIE - tristate "PCI Express Hotplug driver" + bool "PCI Express Hotplug driver" depends on HOTPLUG_PCI && PCIEPORTBUS help Say Y here if you have a motherboard that supports PCI Express Native Hotplug - To compile this driver as a module, choose M here: the - module will be called pciehp. - When in doubt, say N. source "drivers/pci/pcie/aer/Kconfig" diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index d254e23..64a7de2 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -300,6 +300,47 @@ static void assign_requested_resources_sorted(struct list_head *head, } } +static unsigned long pci_fail_res_type_mask(struct list_head *fail_head) +{ + struct pci_dev_resource *fail_res; + unsigned long mask = 0; + + /* check failed type */ + list_for_each_entry(fail_res, fail_head, list) + mask |= fail_res->flags; + + /* + * one pref failed resource will set IORESOURCE_MEM, + * as we can allocate pref in non-pref range. + * Will release all assigned non-pref sibling resources + * according to that bit. + */ + return mask & (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH); +} + +static bool pci_need_to_release(unsigned long mask, struct resource *res) +{ + if (res->flags & IORESOURCE_IO) + return !!(mask & IORESOURCE_IO); + + /* check pref at first */ + if (res->flags & IORESOURCE_PREFETCH) { + if (mask & IORESOURCE_PREFETCH) + return true; + /* count pref if its parent is non-pref */ + else if ((mask & IORESOURCE_MEM) && + !(res->parent->flags & IORESOURCE_PREFETCH)) + return true; + else + return false; + } + + if (res->flags & IORESOURCE_MEM) + return !!(mask & IORESOURCE_MEM); + + return false; /* should not get here */ +} + static void __assign_resources_sorted(struct list_head *head, struct list_head *realloc_head, struct list_head *fail_head) @@ -312,11 +353,24 @@ static void __assign_resources_sorted(struct list_head *head, * if could do that, could get out early. * if could not do that, we still try to assign requested at first, * then try to reassign add_size for some resources. + * + * Separate three resource type checking if we need to release + * assigned resource after requested + add_size try. + * 1. if there is io port assign fail, will release assigned + * io port. + * 2. if there is pref mmio assign fail, release assigned + * pref mmio. + * if assigned pref mmio's parent is non-pref mmio and there + * is non-pref mmio assign fail, will release that assigned + * pref mmio. + * 3. if there is non-pref mmio assign fail or pref mmio + * assigned fail, will release assigned non-pref mmio. */ LIST_HEAD(save_head); LIST_HEAD(local_fail_head); struct pci_dev_resource *save_res; - struct pci_dev_resource *dev_res; + struct pci_dev_resource *dev_res, *tmp_res; + unsigned long fail_type; /* Check if optional add_size is there */ if (!realloc_head || list_empty(realloc_head)) @@ -348,6 +402,19 @@ static void __assign_resources_sorted(struct list_head *head, return; } + /* check failed type */ + fail_type = pci_fail_res_type_mask(&local_fail_head); + /* remove not need to be released assigned res from head list etc */ + list_for_each_entry_safe(dev_res, tmp_res, head, list) + if (dev_res->res->parent && + !pci_need_to_release(fail_type, dev_res->res)) { + /* remove it from realloc_head list */ + remove_from_list(realloc_head, dev_res->res); + remove_from_list(&save_head, dev_res->res); + list_del(&dev_res->list); + kfree(dev_res); + } + free_list(&local_fail_head); /* Release assigned resource */ list_for_each_entry(dev_res, head, list) diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index f4f30af..2e8a20c 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -1715,11 +1715,13 @@ int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops) (mport_id == RIO_MPORT_ANY && port->nscan == scan_ops)) port->nscan = NULL; - list_for_each_entry(scan, &rio_scans, node) + list_for_each_entry(scan, &rio_scans, node) { if (scan->mport_id == mport_id) { list_del(&scan->node); kfree(scan); + break; } + } mutex_unlock(&rio_mport_list_lock); diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index 767fee2..2601953 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c @@ -23,6 +23,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/interrupt.h> +#include <linux/delay.h> #include <linux/rtc.h> #include <linux/slab.h> #include <linux/of_device.h> @@ -119,24 +120,39 @@ static void stmp3xxx_wdt_register(struct platform_device *rtc_pdev) } #endif /* CONFIG_STMP3XXX_RTC_WATCHDOG */ -static void stmp3xxx_wait_time(struct stmp3xxx_rtc_data *rtc_data) +static int stmp3xxx_wait_time(struct stmp3xxx_rtc_data *rtc_data) { + int timeout = 5000; /* 3ms according to i.MX28 Ref Manual */ /* - * The datasheet doesn't say which way round the - * NEW_REGS/STALE_REGS bitfields go. In fact it's 0x1=P0, - * 0x2=P1, .., 0x20=P5, 0x40=ALARM, 0x80=SECONDS + * The i.MX28 Applications Processor Reference Manual, Rev. 1, 2010 + * states: + * | The order in which registers are updated is + * | Persistent 0, 1, 2, 3, 4, 5, Alarm, Seconds. + * | (This list is in bitfield order, from LSB to MSB, as they would + * | appear in the STALE_REGS and NEW_REGS bitfields of the HW_RTC_STAT + * | register. For example, the Seconds register corresponds to + * | STALE_REGS or NEW_REGS containing 0x80.) */ - while (readl(rtc_data->io + STMP3XXX_RTC_STAT) & - (0x80 << STMP3XXX_RTC_STAT_STALE_SHIFT)) - cpu_relax(); + do { + if (!(readl(rtc_data->io + STMP3XXX_RTC_STAT) & + (0x80 << STMP3XXX_RTC_STAT_STALE_SHIFT))) + return 0; + udelay(1); + } while (--timeout > 0); + return (readl(rtc_data->io + STMP3XXX_RTC_STAT) & + (0x80 << STMP3XXX_RTC_STAT_STALE_SHIFT)) ? -ETIME : 0; } /* Time read/write */ static int stmp3xxx_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm) { + int ret; struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); - stmp3xxx_wait_time(rtc_data); + ret = stmp3xxx_wait_time(rtc_data); + if (ret) + return ret; + rtc_time_to_tm(readl(rtc_data->io + STMP3XXX_RTC_SECONDS), rtc_tm); return 0; } @@ -146,8 +162,7 @@ static int stmp3xxx_rtc_set_mmss(struct device *dev, unsigned long t) struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev); writel(t, rtc_data->io + STMP3XXX_RTC_SECONDS); - stmp3xxx_wait_time(rtc_data); - return 0; + return stmp3xxx_wait_time(rtc_data); } /* interrupt(s) handler */ diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index 02faf3c..c2e80d7 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -524,6 +524,8 @@ static int twl_rtc_probe(struct platform_device *pdev) if (ret < 0) goto out1; + device_init_wakeup(&pdev->dev, 1); + rtc = rtc_device_register(pdev->name, &pdev->dev, &twl_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) { @@ -542,7 +544,6 @@ static int twl_rtc_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, rtc); - device_init_wakeup(&pdev->dev, 1); return 0; out2: diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 17150a7..451bf99 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -2392,6 +2392,12 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr) rc = cqr->intrc; else rc = -EIO; + + /* kick tasklets */ + dasd_schedule_device_bh(device); + if (device->block) + dasd_schedule_block_bh(device->block); + return rc; } diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h index b6d1f92..c18c681 100644 --- a/drivers/scsi/fnic/fnic.h +++ b/drivers/scsi/fnic/fnic.h @@ -38,7 +38,7 @@ #define DRV_NAME "fnic" #define DRV_DESCRIPTION "Cisco FCoE HBA Driver" -#define DRV_VERSION "1.5.0.22" +#define DRV_VERSION "1.5.0.23" #define PFX DRV_NAME ": " #define DFX DRV_NAME "%d: " diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c index 5f09d18..42e15ee 100644 --- a/drivers/scsi/fnic/fnic_main.c +++ b/drivers/scsi/fnic/fnic_main.c @@ -642,19 +642,6 @@ static int fnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) INIT_WORK(&fnic->fip_frame_work, fnic_handle_fip_frame); INIT_WORK(&fnic->event_work, fnic_handle_event); skb_queue_head_init(&fnic->fip_frame_queue); - spin_lock_irqsave(&fnic_list_lock, flags); - if (!fnic_fip_queue) { - fnic_fip_queue = - create_singlethread_workqueue("fnic_fip_q"); - if (!fnic_fip_queue) { - spin_unlock_irqrestore(&fnic_list_lock, flags); - printk(KERN_ERR PFX "fnic FIP work queue " - "create failed\n"); - err = -ENOMEM; - goto err_out_free_max_pool; - } - } - spin_unlock_irqrestore(&fnic_list_lock, flags); INIT_LIST_HEAD(&fnic->evlist); INIT_LIST_HEAD(&fnic->vlans); } else { @@ -960,6 +947,13 @@ static int __init fnic_init_module(void) spin_lock_init(&fnic_list_lock); INIT_LIST_HEAD(&fnic_list); + fnic_fip_queue = create_singlethread_workqueue("fnic_fip_q"); + if (!fnic_fip_queue) { + printk(KERN_ERR PFX "fnic FIP work queue create failed\n"); + err = -ENOMEM; + goto err_create_fip_workq; + } + fnic_fc_transport = fc_attach_transport(&fnic_fc_functions); if (!fnic_fc_transport) { printk(KERN_ERR PFX "fc_attach_transport error\n"); @@ -978,6 +972,8 @@ static int __init fnic_init_module(void) err_pci_register: fc_release_transport(fnic_fc_transport); err_fc_transport: + destroy_workqueue(fnic_fip_queue); +err_create_fip_workq: destroy_workqueue(fnic_event_queue); err_create_fnic_workq: kmem_cache_destroy(fnic_io_req_cache); diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 0177295..1f0ca68 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -3547,11 +3547,21 @@ static int megasas_init_fw(struct megasas_instance *instance) break; } - /* - * We expect the FW state to be READY - */ - if (megasas_transition_to_ready(instance, 0)) - goto fail_ready_state; + if (megasas_transition_to_ready(instance, 0)) { + atomic_set(&instance->fw_reset_no_pci_access, 1); + instance->instancet->adp_reset + (instance, instance->reg_set); + atomic_set(&instance->fw_reset_no_pci_access, 0); + dev_info(&instance->pdev->dev, + "megasas: FW restarted successfully from %s!\n", + __func__); + + /*waitting for about 30 second before retry*/ + ssleep(30); + + if (megasas_transition_to_ready(instance, 0)) + goto fail_ready_state; + } /* * MSI-X host index 0 is common for all adapter. diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 3b1ea34..eaa808e 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -1031,6 +1031,9 @@ int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf, { int i, result; + if (sdev->skip_vpd_pages) + goto fail; + /* Ask for all the pages supported by this device */ result = scsi_vpd_inquiry(sdev, buf, 0, buf_len); if (result) diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 2168258..74b88ef 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -751,7 +751,7 @@ static void __virtscsi_set_affinity(struct virtio_scsi *vscsi, bool affinity) vscsi->affinity_hint_set = true; } else { - for (i = 0; i < vscsi->num_queues - VIRTIO_SCSI_VQ_BASE; i++) + for (i = 0; i < vscsi->num_queues; i++) virtqueue_set_affinity(vscsi->req_vqs[i].vq, -1); vscsi->affinity_hint_set = false; diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index 222d3e3..707966b 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -609,7 +609,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t) else buf = (void *)t->tx_buf; t->tx_dma = dma_map_single(&spi->dev, buf, - t->len, DMA_FROM_DEVICE); + t->len, DMA_TO_DEVICE); if (!t->tx_dma) { ret = -EFAULT; goto err_tx_map; diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index dcceed2..81972fa 100644 --- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -1811,10 +1811,12 @@ static int zcache_comp_init(void) #else if (*zcache_comp_name != '\0') { ret = crypto_has_comp(zcache_comp_name, 0, 0); - if (!ret) + if (!ret) { pr_info("zcache: %s not supported\n", zcache_comp_name); - goto out; + ret = 1; + goto out; + } } if (!ret) strcpy(zcache_comp_name, "lzo"); diff --git a/drivers/tty/serial/8250/8250_gsc.c b/drivers/tty/serial/8250/8250_gsc.c index bb91b47..2e3ea1a 100644 --- a/drivers/tty/serial/8250/8250_gsc.c +++ b/drivers/tty/serial/8250/8250_gsc.c @@ -31,9 +31,8 @@ static int __init serial_init_chip(struct parisc_device *dev) int err; #ifdef CONFIG_64BIT - extern int iosapic_serial_irq(int cellnum); if (!dev->irq && (dev->id.sversion == 0xad)) - dev->irq = iosapic_serial_irq(dev->mod_index-1); + dev->irq = iosapic_serial_irq(dev); #endif if (!dev->irq) { diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c index cbf1d15..22f280a 100644 --- a/drivers/tty/serial/arc_uart.c +++ b/drivers/tty/serial/arc_uart.c @@ -773,6 +773,6 @@ module_init(arc_serial_init); module_exit(arc_serial_exit); MODULE_LICENSE("GPL"); -MODULE_ALIAS("plat-arcfpga/uart"); +MODULE_ALIAS("platform:" DRIVER_NAME); MODULE_AUTHOR("Vineet Gupta"); MODULE_DESCRIPTION("ARC(Synopsys) On-Chip(fpga) serial driver"); diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 4f5f161..f85b8e6 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -678,11 +678,18 @@ static void mxs_auart_settermios(struct uart_port *u, static irqreturn_t mxs_auart_irq_handle(int irq, void *context) { - u32 istatus, istat; + u32 istat; struct mxs_auart_port *s = context; u32 stat = readl(s->port.membase + AUART_STAT); - istatus = istat = readl(s->port.membase + AUART_INTR); + istat = readl(s->port.membase + AUART_INTR); + + /* ack irq */ + writel(istat & (AUART_INTR_RTIS + | AUART_INTR_TXIS + | AUART_INTR_RXIS + | AUART_INTR_CTSMIS), + s->port.membase + AUART_INTR_CLR); if (istat & AUART_INTR_CTSMIS) { uart_handle_cts_change(&s->port, stat & AUART_STAT_CTS); @@ -702,12 +709,6 @@ static irqreturn_t mxs_auart_irq_handle(int irq, void *context) istat &= ~AUART_INTR_TXIS; } - writel(istatus & (AUART_INTR_RTIS - | AUART_INTR_TXIS - | AUART_INTR_RXIS - | AUART_INTR_CTSMIS), - s->port.membase + AUART_INTR_CLR); - return IRQ_HANDLED; } @@ -850,7 +851,7 @@ auart_console_write(struct console *co, const char *str, unsigned int count) struct mxs_auart_port *s; struct uart_port *port; unsigned int old_ctrl0, old_ctrl2; - unsigned int to = 1000; + unsigned int to = 20000; if (co->index >= MXS_AUART_PORTS || co->index < 0) return; @@ -871,18 +872,23 @@ auart_console_write(struct console *co, const char *str, unsigned int count) uart_console_write(port, str, count, mxs_auart_console_putchar); - /* - * Finally, wait for transmitter to become empty - * and restore the TCR - */ + /* Finally, wait for transmitter to become empty ... */ while (readl(port->membase + AUART_STAT) & AUART_STAT_BUSY) { + udelay(1); if (!to--) break; - udelay(1); } - writel(old_ctrl0, port->membase + AUART_CTRL0); - writel(old_ctrl2, port->membase + AUART_CTRL2); + /* + * ... and restore the TCR if we waited long enough for the transmitter + * to be idle. This might keep the transmitter enabled although it is + * unused, but that is better than to disable it while it is still + * transmitting. + */ + if (!(readl(port->membase + AUART_STAT) & AUART_STAT_BUSY)) { + writel(old_ctrl0, port->membase + AUART_CTRL0); + writel(old_ctrl2, port->membase + AUART_CTRL2); + } clk_disable(s->clk); } diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 121aeb9..f597e88 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -256,10 +256,9 @@ void tty_port_tty_hangup(struct tty_port *port, bool check_clocal) { struct tty_struct *tty = tty_port_tty_get(port); - if (tty && (!check_clocal || !C_CLOCAL(tty))) { + if (tty && (!check_clocal || !C_CLOCAL(tty))) tty_hangup(tty); - tty_kref_put(tty); - } + tty_kref_put(tty); } EXPORT_SYMBOL_GPL(tty_port_tty_hangup); diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index eb2aa2e..d1bd8ef 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -12,7 +12,7 @@ if USB_CHIPIDEA config USB_CHIPIDEA_UDC bool "ChipIdea device controller" - depends on USB_GADGET=y || USB_CHIPIDEA=m + depends on USB_GADGET=y || (USB_CHIPIDEA=m && USB_GADGET=m) help Say Y here to enable device controller functionality of the ChipIdea driver. @@ -20,7 +20,7 @@ config USB_CHIPIDEA_UDC config USB_CHIPIDEA_HOST bool "ChipIdea host controller" depends on USB=y - depends on USB_EHCI_HCD=y || USB_CHIPIDEA=m + depends on USB_EHCI_HCD=y || (USB_CHIPIDEA=m && USB_EHCI_HCD=m) select USB_EHCI_ROOT_HUB_TT help Say Y here to enable host controller functionality of the diff --git a/drivers/usb/chipidea/bits.h b/drivers/usb/chipidea/bits.h index aefa026..1b23e35 100644 --- a/drivers/usb/chipidea/bits.h +++ b/drivers/usb/chipidea/bits.h @@ -50,7 +50,7 @@ #define PORTSC_PTC (0x0FUL << 16) /* PTS and PTW for non lpm version only */ #define PORTSC_PTS(d) \ - ((((d) & 0x3) << 30) | (((d) & 0x4) ? BIT(25) : 0)) + (u32)((((d) & 0x3) << 30) | (((d) & 0x4) ? BIT(25) : 0)) #define PORTSC_PTW BIT(28) #define PORTSC_STS BIT(29) @@ -59,7 +59,7 @@ #define DEVLC_PSPD_HS (0x02UL << 25) #define DEVLC_PTW BIT(27) #define DEVLC_STS BIT(28) -#define DEVLC_PTS(d) (((d) & 0x7) << 29) +#define DEVLC_PTS(d) (u32)(((d) & 0x7) << 29) /* Encoding for DEVLC_PTS and PORTSC_PTS */ #define PTS_UTMI 0 diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 609dbc2..83b4ef4 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1119,11 +1119,11 @@ static int usbtmc_probe(struct usb_interface *intf, /* Determine if it is a Rigol or not */ data->rigol_quirk = 0; dev_dbg(&intf->dev, "Trying to find if device Vendor 0x%04X Product 0x%04X has the RIGOL quirk\n", - data->usb_dev->descriptor.idVendor, - data->usb_dev->descriptor.idProduct); + le16_to_cpu(data->usb_dev->descriptor.idVendor), + le16_to_cpu(data->usb_dev->descriptor.idProduct)); for(n = 0; usbtmc_id_quirk[n].idVendor > 0; n++) { - if ((usbtmc_id_quirk[n].idVendor == data->usb_dev->descriptor.idVendor) && - (usbtmc_id_quirk[n].idProduct == data->usb_dev->descriptor.idProduct)) { + if ((usbtmc_id_quirk[n].idVendor == le16_to_cpu(data->usb_dev->descriptor.idVendor)) && + (usbtmc_id_quirk[n].idProduct == le16_to_cpu(data->usb_dev->descriptor.idProduct))) { dev_dbg(&intf->dev, "Setting this device as having the RIGOL quirk\n"); data->rigol_quirk = 1; break; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 4a8a1d6..558313d 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4798,7 +4798,8 @@ static void hub_events(void) hub->ports[i - 1]->child; dev_dbg(hub_dev, "warm reset port %d\n", i); - if (!udev) { + if (!udev || !(portstatus & + USB_PORT_STAT_CONNECTION)) { status = hub_port_reset(hub, i, NULL, HUB_BH_RESET_TIME, true); @@ -4808,8 +4809,8 @@ static void hub_events(void) usb_lock_device(udev); status = usb_reset_device(udev); usb_unlock_device(udev); + connect_change = 0; } - connect_change = 0; } if (connect_change) diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index a635988..5b44cd4 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -78,6 +78,12 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x04d8, 0x000c), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, + /* CarrolTouch 4000U */ + { USB_DEVICE(0x04e7, 0x0009), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* CarrolTouch 4500U */ + { USB_DEVICE(0x04e7, 0x0030), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Samsung Android phone modem - ID conflict with SPH-I500 */ { USB_DEVICE(0x04e8, 0x6601), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index f48712f..c1c113e 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -449,14 +449,20 @@ fail: static int __exit eth_unbind(struct usb_composite_dev *cdev) { - if (has_rndis()) + if (has_rndis()) { + usb_put_function(f_rndis); usb_put_function_instance(fi_rndis); - if (use_eem) + } + if (use_eem) { + usb_put_function(f_eem); usb_put_function_instance(fi_eem); - else if (can_support_ecm(cdev->gadget)) + } else if (can_support_ecm(cdev->gadget)) { + usb_put_function(f_ecm); usb_put_function_instance(fi_ecm); - else + } else { + usb_put_function(f_geth); usb_put_function_instance(fi_geth); + } return 0; } diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c index 1bf26e9..eb3aa81 100644 --- a/drivers/usb/gadget/f_phonet.c +++ b/drivers/usb/gadget/f_phonet.c @@ -488,7 +488,6 @@ static int pn_bind(struct usb_configuration *c, struct usb_function *f) struct usb_ep *ep; int status, i; -#ifndef USBF_PHONET_INCLUDED struct f_phonet_opts *phonet_opts; phonet_opts = container_of(f->fi, struct f_phonet_opts, func_inst); @@ -507,7 +506,6 @@ static int pn_bind(struct usb_configuration *c, struct usb_function *f) return status; phonet_opts->bound = true; } -#endif /* Reserve interface IDs */ status = usb_interface_id(c, f); diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c index 032b96a..2a1ebef 100644 --- a/drivers/usb/gadget/multi.c +++ b/drivers/usb/gadget/multi.c @@ -160,10 +160,8 @@ static __init int rndis_do_config(struct usb_configuration *c) return ret; f_acm_rndis = usb_get_function(fi_acm); - if (IS_ERR(f_acm_rndis)) { - ret = PTR_ERR(f_acm_rndis); - goto err_func_acm; - } + if (IS_ERR(f_acm_rndis)) + return PTR_ERR(f_acm_rndis); ret = usb_add_function(c, f_acm_rndis); if (ret) @@ -178,7 +176,6 @@ err_fsg: usb_remove_function(c, f_acm_rndis); err_conf: usb_put_function(f_acm_rndis); -err_func_acm: return ret; } @@ -226,7 +223,7 @@ static __init int cdc_do_config(struct usb_configuration *c) /* implicit port_num is zero */ f_acm_multi = usb_get_function(fi_acm); if (IS_ERR(f_acm_multi)) - goto err_func_acm; + return PTR_ERR(f_acm_multi); ret = usb_add_function(c, f_acm_multi); if (ret) @@ -241,7 +238,6 @@ err_fsg: usb_remove_function(c, f_acm_multi); err_conf: usb_put_function(f_acm_multi); -err_func_acm: return ret; } diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c index c28ac98..13e25f8 100644 --- a/drivers/usb/gadget/udc-core.c +++ b/drivers/usb/gadget/udc-core.c @@ -109,7 +109,7 @@ void usb_gadget_set_state(struct usb_gadget *gadget, enum usb_device_state state) { gadget->state = state; - sysfs_notify(&gadget->dev.kobj, NULL, "status"); + sysfs_notify(&gadget->dev.kobj, NULL, "state"); } EXPORT_SYMBOL_GPL(usb_gadget_set_state); diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index f80d033..8e3c878 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1391,21 +1391,20 @@ iso_stream_schedule ( /* Behind the scheduling threshold? */ if (unlikely(start < next)) { + unsigned now2 = (now - base) & (mod - 1); /* USB_ISO_ASAP: Round up to the first available slot */ if (urb->transfer_flags & URB_ISO_ASAP) start += (next - start + period - 1) & -period; /* - * Not ASAP: Use the next slot in the stream. If - * the entire URB falls before the threshold, fail. + * Not ASAP: Use the next slot in the stream, + * no matter what. */ - else if (start + span - period < next) { - ehci_dbg(ehci, "iso urb late %p (%u+%u < %u)\n", + else if (start + span - period < now2) { + ehci_dbg(ehci, "iso underrun %p (%u+%u < %u)\n", urb, start + base, - span - period, next + base); - status = -EXDEV; - goto fail; + span - period, now2 + base); } } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index df6978a..6f8c2fd 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -24,6 +24,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/dmapool.h> +#include <linux/dma-mapping.h> #include "xhci.h" diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 41eb4fc..9478caa 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -27,6 +27,7 @@ #include <linux/moduleparam.h> #include <linux/slab.h> #include <linux/dmi.h> +#include <linux/dma-mapping.h> #include "xhci.h" diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index eb3c8c1..eeb2720 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -830,7 +830,7 @@ static int adu_probe(struct usb_interface *interface, /* let the user know what node this device is now attached to */ dev_info(&interface->dev, "ADU%d %s now attached to /dev/usb/adutux%d\n", - udev->descriptor.idProduct, dev->serial_number, + le16_to_cpu(udev->descriptor.idProduct), dev->serial_number, (dev->minor - ADU_MINOR_BASE)); exit: dbg(2, " %s : leave, return value %p (dev)", __func__, dev); diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 6708a3b..f44e8b5 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -481,7 +481,7 @@ static u64 omap2430_dmamask = DMA_BIT_MASK(32); static int omap2430_probe(struct platform_device *pdev) { - struct resource musb_resources[2]; + struct resource musb_resources[3]; struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct omap_musb_board_data *data; struct platform_device *musb; @@ -581,6 +581,11 @@ static int omap2430_probe(struct platform_device *pdev) musb_resources[1].end = pdev->resource[1].end; musb_resources[1].flags = pdev->resource[1].flags; + musb_resources[2].name = pdev->resource[2].name; + musb_resources[2].start = pdev->resource[2].start; + musb_resources[2].end = pdev->resource[2].end; + musb_resources[2].flags = pdev->resource[2].flags; + ret = platform_device_add_resources(musb, musb_resources, ARRAY_SIZE(musb_resources)); if (ret) { diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 2c06a89..6f8a9ca 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -1156,7 +1156,7 @@ static u64 tusb_dmamask = DMA_BIT_MASK(32); static int tusb_probe(struct platform_device *pdev) { - struct resource musb_resources[2]; + struct resource musb_resources[3]; struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; struct tusb6010_glue *glue; @@ -1199,6 +1199,11 @@ static int tusb_probe(struct platform_device *pdev) musb_resources[1].end = pdev->resource[1].end; musb_resources[1].flags = pdev->resource[1].flags; + musb_resources[2].name = pdev->resource[2].name; + musb_resources[2].start = pdev->resource[2].start; + musb_resources[2].end = pdev->resource[2].end; + musb_resources[2].flags = pdev->resource[2].flags; + ret = platform_device_add_resources(musb, musb_resources, ARRAY_SIZE(musb_resources)); if (ret) { diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index 8c3a42ea..7eef9b3 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -719,6 +719,13 @@ config USB_SERIAL_FLASHLOADER To compile this driver as a module, choose M here: the module will be called flashloader. +config USB_SERIAL_SUUNTO + tristate "USB Suunto ANT+ driver" + help + Say Y here if you want to use the Suunto ANT+ USB device. + + To compile this driver as a module, choose M here: the + module will be called suunto. config USB_SERIAL_DEBUG tristate "USB Debugging Device" diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index f7130114..a14a870 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -54,6 +54,7 @@ obj-$(CONFIG_USB_SERIAL_SIEMENS_MPI) += siemens_mpi.o obj-$(CONFIG_USB_SERIAL_SIERRAWIRELESS) += sierra.o obj-$(CONFIG_USB_SERIAL_SPCP8X5) += spcp8x5.o obj-$(CONFIG_USB_SERIAL_SSU100) += ssu100.o +obj-$(CONFIG_USB_SERIAL_SUUNTO) += suunto.o obj-$(CONFIG_USB_SERIAL_SYMBOL) += symbolserial.o obj-$(CONFIG_USB_SERIAL_WWAN) += usb_wwan.o obj-$(CONFIG_USB_SERIAL_TI) += ti_usb_3410_5052.o diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 7260ec6..b65e657 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -735,9 +735,34 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID), .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, - { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) }, - { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) }, - { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_RTS01_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) }, { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 6dd7925..1b8af46 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -815,11 +815,35 @@ /* * RT Systems programming cables for various ham radios */ -#define RTSYSTEMS_VID 0x2100 /* Vendor ID */ -#define RTSYSTEMS_SERIAL_VX7_PID 0x9e52 /* Serial converter for VX-7 Radios using FT232RL */ -#define RTSYSTEMS_CT29B_PID 0x9e54 /* CT29B Radio Cable */ -#define RTSYSTEMS_RTS01_PID 0x9e57 /* USB-RTS01 Radio Cable */ - +#define RTSYSTEMS_VID 0x2100 /* Vendor ID */ +#define RTSYSTEMS_USB_S03_PID 0x9001 /* RTS-03 USB to Serial Adapter */ +#define RTSYSTEMS_USB_59_PID 0x9e50 /* USB-59 USB to 8 pin plug */ +#define RTSYSTEMS_USB_57A_PID 0x9e51 /* USB-57A USB to 4pin 3.5mm plug */ +#define RTSYSTEMS_USB_57B_PID 0x9e52 /* USB-57B USB to extended 4pin 3.5mm plug */ +#define RTSYSTEMS_USB_29A_PID 0x9e53 /* USB-29A USB to 3.5mm stereo plug */ +#define RTSYSTEMS_USB_29B_PID 0x9e54 /* USB-29B USB to 6 pin mini din */ +#define RTSYSTEMS_USB_29F_PID 0x9e55 /* USB-29F USB to 6 pin modular plug */ +#define RTSYSTEMS_USB_62B_PID 0x9e56 /* USB-62B USB to 8 pin mini din plug*/ +#define RTSYSTEMS_USB_S01_PID 0x9e57 /* USB-RTS01 USB to 3.5 mm stereo plug*/ +#define RTSYSTEMS_USB_63_PID 0x9e58 /* USB-63 USB to 9 pin female*/ +#define RTSYSTEMS_USB_29C_PID 0x9e59 /* USB-29C USB to 4 pin modular plug*/ +#define RTSYSTEMS_USB_81B_PID 0x9e5A /* USB-81 USB to 8 pin mini din plug*/ +#define RTSYSTEMS_USB_82B_PID 0x9e5B /* USB-82 USB to 2.5 mm stereo plug*/ +#define RTSYSTEMS_USB_K5D_PID 0x9e5C /* USB-K5D USB to 8 pin modular plug*/ +#define RTSYSTEMS_USB_K4Y_PID 0x9e5D /* USB-K4Y USB to 2.5/3.5 mm plugs*/ +#define RTSYSTEMS_USB_K5G_PID 0x9e5E /* USB-K5G USB to 8 pin modular plug*/ +#define RTSYSTEMS_USB_S05_PID 0x9e5F /* USB-RTS05 USB to 2.5 mm stereo plug*/ +#define RTSYSTEMS_USB_60_PID 0x9e60 /* USB-60 USB to 6 pin din*/ +#define RTSYSTEMS_USB_61_PID 0x9e61 /* USB-61 USB to 6 pin mini din*/ +#define RTSYSTEMS_USB_62_PID 0x9e62 /* USB-62 USB to 8 pin mini din*/ +#define RTSYSTEMS_USB_63B_PID 0x9e63 /* USB-63 USB to 9 pin female*/ +#define RTSYSTEMS_USB_64_PID 0x9e64 /* USB-64 USB to 9 pin male*/ +#define RTSYSTEMS_USB_65_PID 0x9e65 /* USB-65 USB to 9 pin female null modem*/ +#define RTSYSTEMS_USB_92_PID 0x9e66 /* USB-92 USB to 12 pin plug*/ +#define RTSYSTEMS_USB_92D_PID 0x9e67 /* USB-92D USB to 12 pin plug data*/ +#define RTSYSTEMS_USB_W5R_PID 0x9e68 /* USB-W5R USB to 8 pin modular plug*/ +#define RTSYSTEMS_USB_A5R_PID 0x9e69 /* USB-A5R USB to 8 pin modular plug*/ +#define RTSYSTEMS_USB_PW1_PID 0x9e6A /* USB-PW1 USB to 8 pin modular plug*/ /* * Physik Instrumente diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 5a97972..58c17fd 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -2303,7 +2303,7 @@ static int keyspan_startup(struct usb_serial *serial) if (d_details == NULL) { dev_err(&serial->dev->dev, "%s - unknown product id %x\n", __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); - return 1; + return -ENODEV; } /* Setup private data for serial driver */ diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 51da424..b013001 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -90,6 +90,7 @@ struct urbtracker { struct list_head urblist_entry; struct kref ref_count; struct urb *urb; + struct usb_ctrlrequest *setup; }; enum mos7715_pp_modes { @@ -271,6 +272,7 @@ static void destroy_urbtracker(struct kref *kref) struct mos7715_parport *mos_parport = urbtrack->mos_parport; usb_free_urb(urbtrack->urb); + kfree(urbtrack->setup); kfree(urbtrack); kref_put(&mos_parport->ref_count, destroy_mos_parport); } @@ -355,7 +357,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport, struct urbtracker *urbtrack; int ret_val; unsigned long flags; - struct usb_ctrlrequest setup; struct usb_serial *serial = mos_parport->serial; struct usb_device *usbdev = serial->dev; @@ -373,14 +374,20 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport, kfree(urbtrack); return -ENOMEM; } - setup.bRequestType = (__u8)0x40; - setup.bRequest = (__u8)0x0e; - setup.wValue = get_reg_value(reg, dummy); - setup.wIndex = get_reg_index(reg); - setup.wLength = 0; + urbtrack->setup = kmalloc(sizeof(*urbtrack->setup), GFP_KERNEL); + if (!urbtrack->setup) { + usb_free_urb(urbtrack->urb); + kfree(urbtrack); + return -ENOMEM; + } + urbtrack->setup->bRequestType = (__u8)0x40; + urbtrack->setup->bRequest = (__u8)0x0e; + urbtrack->setup->wValue = get_reg_value(reg, dummy); + urbtrack->setup->wIndex = get_reg_index(reg); + urbtrack->setup->wLength = 0; usb_fill_control_urb(urbtrack->urb, usbdev, usb_sndctrlpipe(usbdev, 0), - (unsigned char *)&setup, + (unsigned char *)urbtrack->setup, NULL, 0, async_complete, urbtrack); kref_init(&urbtrack->ref_count); INIT_LIST_HEAD(&urbtrack->urblist_entry); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 603fb70..3bac469 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -183,7 +183,10 @@ #define LED_ON_MS 500 #define LED_OFF_MS 500 -static int device_type; +enum mos7840_flag { + MOS7840_FLAG_CTRL_BUSY, + MOS7840_FLAG_LED_BUSY, +}; static const struct usb_device_id id_table[] = { {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)}, @@ -238,9 +241,12 @@ struct moschip_port { /* For device(s) with LED indicator */ bool has_led; - bool led_flag; struct timer_list led_timer1; /* Timer for LED on */ struct timer_list led_timer2; /* Timer for LED off */ + struct urb *led_urb; + struct usb_ctrlrequest *led_dr; + + unsigned long flags; }; /* @@ -460,10 +466,10 @@ static void mos7840_control_callback(struct urb *urb) case -ESHUTDOWN: /* this urb is terminated, clean up */ dev_dbg(dev, "%s - urb shutting down with status: %d\n", __func__, status); - return; + goto out; default: dev_dbg(dev, "%s - nonzero urb status received: %d\n", __func__, status); - return; + goto out; } dev_dbg(dev, "%s urb buffer size is %d\n", __func__, urb->actual_length); @@ -476,6 +482,8 @@ static void mos7840_control_callback(struct urb *urb) mos7840_handle_new_msr(mos7840_port, regval); else if (mos7840_port->MsrLsr == 1) mos7840_handle_new_lsr(mos7840_port, regval); +out: + clear_bit_unlock(MOS7840_FLAG_CTRL_BUSY, &mos7840_port->flags); } static int mos7840_get_reg(struct moschip_port *mcs, __u16 Wval, __u16 reg, @@ -486,6 +494,9 @@ static int mos7840_get_reg(struct moschip_port *mcs, __u16 Wval, __u16 reg, unsigned char *buffer = mcs->ctrl_buf; int ret; + if (test_and_set_bit_lock(MOS7840_FLAG_CTRL_BUSY, &mcs->flags)) + return -EBUSY; + dr->bRequestType = MCS_RD_RTYPE; dr->bRequest = MCS_RDREQ; dr->wValue = cpu_to_le16(Wval); /* 0 */ @@ -497,6 +508,9 @@ static int mos7840_get_reg(struct moschip_port *mcs, __u16 Wval, __u16 reg, mos7840_control_callback, mcs); mcs->control_urb->transfer_buffer_length = 2; ret = usb_submit_urb(mcs->control_urb, GFP_ATOMIC); + if (ret) + clear_bit_unlock(MOS7840_FLAG_CTRL_BUSY, &mcs->flags); + return ret; } @@ -523,7 +537,7 @@ static void mos7840_set_led_async(struct moschip_port *mcs, __u16 wval, __u16 reg) { struct usb_device *dev = mcs->port->serial->dev; - struct usb_ctrlrequest *dr = mcs->dr; + struct usb_ctrlrequest *dr = mcs->led_dr; dr->bRequestType = MCS_WR_RTYPE; dr->bRequest = MCS_WRREQ; @@ -531,10 +545,10 @@ static void mos7840_set_led_async(struct moschip_port *mcs, __u16 wval, dr->wIndex = cpu_to_le16(reg); dr->wLength = cpu_to_le16(0); - usb_fill_control_urb(mcs->control_urb, dev, usb_sndctrlpipe(dev, 0), + usb_fill_control_urb(mcs->led_urb, dev, usb_sndctrlpipe(dev, 0), (unsigned char *)dr, NULL, 0, mos7840_set_led_callback, NULL); - usb_submit_urb(mcs->control_urb, GFP_ATOMIC); + usb_submit_urb(mcs->led_urb, GFP_ATOMIC); } static void mos7840_set_led_sync(struct usb_serial_port *port, __u16 reg, @@ -560,7 +574,19 @@ static void mos7840_led_flag_off(unsigned long arg) { struct moschip_port *mcs = (struct moschip_port *) arg; - mcs->led_flag = false; + clear_bit_unlock(MOS7840_FLAG_LED_BUSY, &mcs->flags); +} + +static void mos7840_led_activity(struct usb_serial_port *port) +{ + struct moschip_port *mos7840_port = usb_get_serial_port_data(port); + + if (test_and_set_bit_lock(MOS7840_FLAG_LED_BUSY, &mos7840_port->flags)) + return; + + mos7840_set_led_async(mos7840_port, 0x0301, MODEM_CONTROL_REGISTER); + mod_timer(&mos7840_port->led_timer1, + jiffies + msecs_to_jiffies(LED_ON_MS)); } /***************************************************************************** @@ -758,14 +784,8 @@ static void mos7840_bulk_in_callback(struct urb *urb) return; } - /* Turn on LED */ - if (mos7840_port->has_led && !mos7840_port->led_flag) { - mos7840_port->led_flag = true; - mos7840_set_led_async(mos7840_port, 0x0301, - MODEM_CONTROL_REGISTER); - mod_timer(&mos7840_port->led_timer1, - jiffies + msecs_to_jiffies(LED_ON_MS)); - } + if (mos7840_port->has_led) + mos7840_led_activity(port); mos7840_port->read_urb_busy = true; retval = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC); @@ -816,18 +836,6 @@ static void mos7840_bulk_out_data_callback(struct urb *urb) /************************************************************************/ /* D R I V E R T T Y I N T E R F A C E F U N C T I O N S */ /************************************************************************/ -#ifdef MCSSerialProbe -static int mos7840_serial_probe(struct usb_serial *serial, - const struct usb_device_id *id) -{ - - /*need to implement the mode_reg reading and updating\ - structures usb_serial_ device_type\ - (i.e num_ports, num_bulkin,bulkout etc) */ - /* Also we can update the changes attach */ - return 1; -} -#endif /***************************************************************************** * mos7840_open @@ -1454,13 +1462,8 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port, data1 = urb->transfer_buffer; dev_dbg(&port->dev, "bulkout endpoint is %d\n", port->bulk_out_endpointAddress); - /* Turn on LED */ - if (mos7840_port->has_led && !mos7840_port->led_flag) { - mos7840_port->led_flag = true; - mos7840_set_led_sync(port, MODEM_CONTROL_REGISTER, 0x0301); - mod_timer(&mos7840_port->led_timer1, - jiffies + msecs_to_jiffies(LED_ON_MS)); - } + if (mos7840_port->has_led) + mos7840_led_activity(port); /* send it down the pipe */ status = usb_submit_urb(urb, GFP_ATOMIC); @@ -2187,38 +2190,48 @@ static int mos7810_check(struct usb_serial *serial) return 0; } -static int mos7840_calc_num_ports(struct usb_serial *serial) +static int mos7840_probe(struct usb_serial *serial, + const struct usb_device_id *id) { - __u16 data = 0x00; + u16 product = le16_to_cpu(serial->dev->descriptor.idProduct); u8 *buf; - int mos7840_num_ports; + int device_type; + + if (product == MOSCHIP_DEVICE_ID_7810 || + product == MOSCHIP_DEVICE_ID_7820) { + device_type = product; + goto out; + } buf = kzalloc(VENDOR_READ_LENGTH, GFP_KERNEL); - if (buf) { - usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), + if (!buf) + return -ENOMEM; + + usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, buf, VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT); - data = *buf; - kfree(buf); - } - if (serial->dev->descriptor.idProduct == MOSCHIP_DEVICE_ID_7810 || - serial->dev->descriptor.idProduct == MOSCHIP_DEVICE_ID_7820) { - device_type = serial->dev->descriptor.idProduct; - } else { - /* For a MCS7840 device GPIO0 must be set to 1 */ - if ((data & 0x01) == 1) - device_type = MOSCHIP_DEVICE_ID_7840; - else if (mos7810_check(serial)) - device_type = MOSCHIP_DEVICE_ID_7810; - else - device_type = MOSCHIP_DEVICE_ID_7820; - } + /* For a MCS7840 device GPIO0 must be set to 1 */ + if (buf[0] & 0x01) + device_type = MOSCHIP_DEVICE_ID_7840; + else if (mos7810_check(serial)) + device_type = MOSCHIP_DEVICE_ID_7810; + else + device_type = MOSCHIP_DEVICE_ID_7820; + + kfree(buf); +out: + usb_set_serial_data(serial, (void *)(unsigned long)device_type); + + return 0; +} + +static int mos7840_calc_num_ports(struct usb_serial *serial) +{ + int device_type = (unsigned long)usb_get_serial_data(serial); + int mos7840_num_ports; mos7840_num_ports = (device_type >> 4) & 0x000F; - serial->num_bulk_in = mos7840_num_ports; - serial->num_bulk_out = mos7840_num_ports; - serial->num_ports = mos7840_num_ports; return mos7840_num_ports; } @@ -2226,6 +2239,7 @@ static int mos7840_calc_num_ports(struct usb_serial *serial) static int mos7840_port_probe(struct usb_serial_port *port) { struct usb_serial *serial = port->serial; + int device_type = (unsigned long)usb_get_serial_data(serial); struct moschip_port *mos7840_port; int status; int pnum; @@ -2401,6 +2415,14 @@ static int mos7840_port_probe(struct usb_serial_port *port) if (device_type == MOSCHIP_DEVICE_ID_7810) { mos7840_port->has_led = true; + mos7840_port->led_urb = usb_alloc_urb(0, GFP_KERNEL); + mos7840_port->led_dr = kmalloc(sizeof(*mos7840_port->led_dr), + GFP_KERNEL); + if (!mos7840_port->led_urb || !mos7840_port->led_dr) { + status = -ENOMEM; + goto error; + } + init_timer(&mos7840_port->led_timer1); mos7840_port->led_timer1.function = mos7840_led_off; mos7840_port->led_timer1.expires = @@ -2413,8 +2435,6 @@ static int mos7840_port_probe(struct usb_serial_port *port) jiffies + msecs_to_jiffies(LED_OFF_MS); mos7840_port->led_timer2.data = (unsigned long)mos7840_port; - mos7840_port->led_flag = false; - /* Turn off LED */ mos7840_set_led_sync(port, MODEM_CONTROL_REGISTER, 0x0300); } @@ -2436,6 +2456,8 @@ out: } return 0; error: + kfree(mos7840_port->led_dr); + usb_free_urb(mos7840_port->led_urb); kfree(mos7840_port->dr); kfree(mos7840_port->ctrl_buf); usb_free_urb(mos7840_port->control_urb); @@ -2456,6 +2478,10 @@ static int mos7840_port_remove(struct usb_serial_port *port) del_timer_sync(&mos7840_port->led_timer1); del_timer_sync(&mos7840_port->led_timer2); + + usb_kill_urb(mos7840_port->led_urb); + usb_free_urb(mos7840_port->led_urb); + kfree(mos7840_port->led_dr); } usb_kill_urb(mos7840_port->control_urb); usb_free_urb(mos7840_port->control_urb); @@ -2482,9 +2508,7 @@ static struct usb_serial_driver moschip7840_4port_device = { .throttle = mos7840_throttle, .unthrottle = mos7840_unthrottle, .calc_num_ports = mos7840_calc_num_ports, -#ifdef MCSSerialProbe - .probe = mos7840_serial_probe, -#endif + .probe = mos7840_probe, .ioctl = mos7840_ioctl, .set_termios = mos7840_set_termios, .break_ctl = mos7840_break, diff --git a/drivers/usb/serial/suunto.c b/drivers/usb/serial/suunto.c new file mode 100644 index 0000000..2248e7a --- /dev/null +++ b/drivers/usb/serial/suunto.c @@ -0,0 +1,41 @@ +/* + * Suunto ANT+ USB Driver + * + * Copyright (C) 2013 Greg Kroah-Hartman <gregkh@linuxfoundation.org> + * Copyright (C) 2013 Linux Foundation + * + * 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 only. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/tty.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/usb/serial.h> +#include <linux/uaccess.h> + +static const struct usb_device_id id_table[] = { + { USB_DEVICE(0x0fcf, 0x1008) }, + { }, +}; +MODULE_DEVICE_TABLE(usb, id_table); + +static struct usb_serial_driver suunto_device = { + .driver = { + .owner = THIS_MODULE, + .name = KBUILD_MODNAME, + }, + .id_table = id_table, + .num_ports = 1, +}; + +static struct usb_serial_driver * const serial_drivers[] = { + &suunto_device, + NULL, +}; + +module_usb_serial_driver(serial_drivers, id_table); +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 375b5a4..5c9f9b1 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -1536,14 +1536,15 @@ static int ti_download_firmware(struct ti_device *tdev) char buf[32]; /* try ID specific firmware first, then try generic firmware */ - sprintf(buf, "ti_usb-v%04x-p%04x.fw", dev->descriptor.idVendor, - dev->descriptor.idProduct); + sprintf(buf, "ti_usb-v%04x-p%04x.fw", + le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); status = request_firmware(&fw_p, buf, &dev->dev); if (status != 0) { buf[0] = '\0'; - if (dev->descriptor.idVendor == MTS_VENDOR_ID) { - switch (dev->descriptor.idProduct) { + if (le16_to_cpu(dev->descriptor.idVendor) == MTS_VENDOR_ID) { + switch (le16_to_cpu(dev->descriptor.idProduct)) { case MTS_CDMA_PRODUCT_ID: strcpy(buf, "mts_cdma.fw"); break; diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index 8257d30..8536578 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -291,18 +291,18 @@ static void usb_wwan_indat_callback(struct urb *urb) tty_flip_buffer_push(&port->port); } else dev_dbg(dev, "%s: empty read urb received\n", __func__); - - /* Resubmit urb so we continue receiving */ - err = usb_submit_urb(urb, GFP_ATOMIC); - if (err) { - if (err != -EPERM) { - dev_err(dev, "%s: resubmit read urb failed. (%d)\n", __func__, err); - /* busy also in error unless we are killed */ - usb_mark_last_busy(port->serial->dev); - } - } else { + } + /* Resubmit urb so we continue receiving */ + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err) { + if (err != -EPERM) { + dev_err(dev, "%s: resubmit read urb failed. (%d)\n", + __func__, err); + /* busy also in error unless we are killed */ usb_mark_last_busy(port->serial->dev); } + } else { + usb_mark_last_busy(port->serial->dev); } } diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c index 16968c8..d3493ca 100644 --- a/drivers/usb/wusbcore/wa-xfer.c +++ b/drivers/usb/wusbcore/wa-xfer.c @@ -1226,6 +1226,12 @@ int wa_urb_dequeue(struct wahc *wa, struct urb *urb) } spin_lock_irqsave(&xfer->lock, flags); rpipe = xfer->ep->hcpriv; + if (rpipe == NULL) { + pr_debug("%s: xfer id 0x%08X has no RPIPE. %s", + __func__, wa_xfer_id(xfer), + "Probably already aborted.\n" ); + goto out_unlock; + } /* Check the delayed list -> if there, release and complete */ spin_lock_irqsave(&wa->xfer_list_lock, flags2); if (!list_empty(&xfer->list_node) && xfer->seg == NULL) @@ -1644,8 +1650,7 @@ static void wa_xfer_result_cb(struct urb *urb) break; } usb_status = xfer_result->bTransferStatus & 0x3f; - if (usb_status == WA_XFER_STATUS_ABORTED - || usb_status == WA_XFER_STATUS_NOT_FOUND) + if (usb_status == WA_XFER_STATUS_NOT_FOUND) /* taken care of already */ break; xfer_id = xfer_result->dwTransferID; diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index c5179e2..cef6002 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -137,8 +137,27 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev) */ pci_write_config_word(pdev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE); - if (vdev->reset_works) - __pci_reset_function(pdev); + /* + * Careful, device_lock may already be held. This is the case if + * a driver unbind is blocked. Try to get the locks ourselves to + * prevent a deadlock. + */ + if (vdev->reset_works) { + bool reset_done = false; + + if (pci_cfg_access_trylock(pdev)) { + if (device_trylock(&pdev->dev)) { + __pci_reset_function_locked(pdev); + reset_done = true; + device_unlock(&pdev->dev); + } + pci_cfg_access_unlock(pdev); + } + + if (!reset_done) + pr_warn("%s: Unable to acquire locks for reset of %s\n", + __func__, dev_name(&pdev->dev)); + } pci_restore_state(pdev); } diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index c488da5..842f450 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -494,27 +494,6 @@ static int vfio_group_nb_add_dev(struct vfio_group *group, struct device *dev) return 0; } -static int vfio_group_nb_del_dev(struct vfio_group *group, struct device *dev) -{ - struct vfio_device *device; - - /* - * Expect to fall out here. If a device was in use, it would - * have been bound to a vfio sub-driver, which would have blocked - * in .remove at vfio_del_group_dev. Sanity check that we no - * longer track the device, so it's safe to remove. - */ - device = vfio_group_get_device(group, dev); - if (likely(!device)) - return 0; - - WARN("Device %s removed from live group %d!\n", dev_name(dev), - iommu_group_id(group->iommu_group)); - - vfio_device_put(device); - return 0; -} - static int vfio_group_nb_verify(struct vfio_group *group, struct device *dev) { /* We don't care what happens when the group isn't in use */ @@ -531,13 +510,11 @@ static int vfio_iommu_group_notifier(struct notifier_block *nb, struct device *dev = data; /* - * Need to go through a group_lock lookup to get a reference or - * we risk racing a group being removed. Leave a WARN_ON for - * debuging, but if the group no longer exists, a spurious notify - * is harmless. + * Need to go through a group_lock lookup to get a reference or we + * risk racing a group being removed. Ignore spurious notifies. */ group = vfio_group_try_get(group); - if (WARN_ON(!group)) + if (!group) return NOTIFY_OK; switch (action) { @@ -545,7 +522,13 @@ static int vfio_iommu_group_notifier(struct notifier_block *nb, vfio_group_nb_add_dev(group, dev); break; case IOMMU_GROUP_NOTIFY_DEL_DEVICE: - vfio_group_nb_del_dev(group, dev); + /* + * Nothing to do here. If the device is in use, then the + * vfio sub-driver should block the remove callback until + * it is unused. If the device is unused or attached to a + * stub driver, then it should be released and we don't + * care that it will be going away. + */ break; case IOMMU_GROUP_NOTIFY_BIND_DRIVER: pr_debug("%s: Device %s, group %d binding to driver\n", diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index a89c15d..9b0f12c 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -435,8 +435,8 @@ static int correct_chipset(struct atyfb_par *par) const char *name; int i; - for (i = ARRAY_SIZE(aty_chips); i > 0; i--) - if (par->pci_id == aty_chips[i - 1].pci_id) + for (i = (int)ARRAY_SIZE(aty_chips) - 1; i >= 0; i--) + if (par->pci_id == aty_chips[i].pci_id) break; if (i < 0) diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 3ba3771..dc09ebe 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -239,24 +239,6 @@ static const struct fb_bitfield def_rgb565[] = { } }; -static const struct fb_bitfield def_rgb666[] = { - [RED] = { - .offset = 16, - .length = 6, - }, - [GREEN] = { - .offset = 8, - .length = 6, - }, - [BLUE] = { - .offset = 0, - .length = 6, - }, - [TRANSP] = { /* no support for transparency */ - .length = 0, - } -}; - static const struct fb_bitfield def_rgb888[] = { [RED] = { .offset = 16, @@ -309,9 +291,6 @@ static int mxsfb_check_var(struct fb_var_screeninfo *var, break; case STMLCDIF_16BIT: case STMLCDIF_18BIT: - /* 24 bit to 18 bit mapping */ - rgb = def_rgb666; - break; case STMLCDIF_24BIT: /* real 24 bit */ rgb = def_rgb888; @@ -453,11 +432,6 @@ static int mxsfb_set_par(struct fb_info *fb_info) return -EINVAL; case STMLCDIF_16BIT: case STMLCDIF_18BIT: - /* 24 bit to 18 bit mapping */ - ctrl |= CTRL_DF24; /* ignore the upper 2 bits in - * each colour component - */ - break; case STMLCDIF_24BIT: /* real 24 bit */ break; diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c index 8c527e5..796e511 100644 --- a/drivers/video/nuc900fb.c +++ b/drivers/video/nuc900fb.c @@ -587,8 +587,7 @@ static int nuc900fb_probe(struct platform_device *pdev) fbinfo->flags = FBINFO_FLAG_DEFAULT; fbinfo->pseudo_palette = &fbi->pseudo_pal; - ret = request_irq(irq, nuc900fb_irqhandler, 0, - pdev->name, fbinfo); + ret = request_irq(irq, nuc900fb_irqhandler, 0, pdev->name, fbi); if (ret) { dev_err(&pdev->dev, "cannot register irq handler %d -err %d\n", irq, ret); diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c index 5338f36..1b60698 100644 --- a/drivers/video/omap2/displays-new/connector-analog-tv.c +++ b/drivers/video/omap2/displays-new/connector-analog-tv.c @@ -28,6 +28,20 @@ struct panel_drv_data { bool invert_polarity; }; +static const struct omap_video_timings tvc_pal_timings = { + .x_res = 720, + .y_res = 574, + .pixel_clock = 13500, + .hsw = 64, + .hfp = 12, + .hbp = 68, + .vsw = 5, + .vfp = 5, + .vbp = 41, + + .interlace = true, +}; + #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) static int tvc_connect(struct omap_dss_device *dssdev) @@ -212,14 +226,14 @@ static int tvc_probe(struct platform_device *pdev) return -ENODEV; } - ddata->timings = omap_dss_pal_timings; + ddata->timings = tvc_pal_timings; dssdev = &ddata->dssdev; dssdev->driver = &tvc_driver; dssdev->dev = &pdev->dev; dssdev->type = OMAP_DISPLAY_TYPE_VENC; dssdev->owner = THIS_MODULE; - dssdev->panel.timings = omap_dss_pal_timings; + dssdev->panel.timings = tvc_pal_timings; r = omapdss_register_display(dssdev); if (r) { diff --git a/drivers/video/sgivwfb.c b/drivers/video/sgivwfb.c index b2a8912..a9ac3ce 100644 --- a/drivers/video/sgivwfb.c +++ b/drivers/video/sgivwfb.c @@ -713,7 +713,7 @@ static int sgivwfb_mmap(struct fb_info *info, r = vm_iomap_memory(vma, sgivwfb_mem_phys, sgivwfb_mem_size); printk(KERN_DEBUG "sgivwfb: mmap framebuffer P(%lx)->V(%lx)\n", - offset, vma->vm_start); + sgivwfb_mem_phys + (vma->vm_pgoff << PAGE_SHIFT), vma->vm_start); return r; } diff --git a/drivers/video/sh7760fb.c b/drivers/video/sh7760fb.c index a8c6c43..1265b25 100644 --- a/drivers/video/sh7760fb.c +++ b/drivers/video/sh7760fb.c @@ -567,7 +567,7 @@ static int sh7760fb_remove(struct platform_device *dev) fb_dealloc_cmap(&info->cmap); sh7760fb_free_mem(info); if (par->irq >= 0) - free_irq(par->irq, par); + free_irq(par->irq, &par->vsync); iounmap(par->base); release_mem_region(par->ioarea->start, resource_size(par->ioarea)); framebuffer_release(info); diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c index 830ded4..2827333 100644 --- a/drivers/video/vga16fb.c +++ b/drivers/video/vga16fb.c @@ -1265,7 +1265,6 @@ static void vga16fb_imageblit(struct fb_info *info, const struct fb_image *image static void vga16fb_destroy(struct fb_info *info) { - struct platform_device *dev = container_of(info->device, struct platform_device, dev); iounmap(info->screen_base); fb_dealloc_cmap(&info->cmap); /* XXX unshare VGA regions */ diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c index f3d4a69..6629b29 100644 --- a/drivers/video/xilinxfb.c +++ b/drivers/video/xilinxfb.c @@ -341,8 +341,8 @@ static int xilinxfb_assign(struct platform_device *pdev, if (drvdata->flags & BUS_ACCESS_FLAG) { /* Put a banner in the log (for DEBUG) */ - dev_dbg(dev, "regs: phys=%x, virt=%p\n", drvdata->regs_phys, - drvdata->regs); + dev_dbg(dev, "regs: phys=%pa, virt=%p\n", + &drvdata->regs_phys, drvdata->regs); } /* Put a banner in the log (for DEBUG) */ dev_dbg(dev, "fb: phys=%llx, virt=%p, size=%x\n", diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index 9e02d60..23eae5c 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -145,7 +145,7 @@ config SWIOTLB_XEN config XEN_TMEM tristate - depends on !ARM + depends on !ARM && !ARM64 default m if (CLEANCACHE || FRONTSWAP) help Shim to interface in-kernel Transcendent Memory hooks diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index eabd0ee..14fe79d 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -1,9 +1,8 @@ -ifneq ($(CONFIG_ARM),y) -obj-y += manage.o +ifeq ($(filter y, $(CONFIG_ARM) $(CONFIG_ARM64)),) obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o endif obj-$(CONFIG_X86) += fallback.o -obj-y += grant-table.o features.o events.o balloon.o +obj-y += grant-table.o features.o events.o balloon.o manage.o obj-y += xenbus/ nostackp := $(call cc-option, -fno-stack-protector) diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index 8feecf0..b6165e0 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -379,18 +379,12 @@ static long evtchn_ioctl(struct file *file, if (unbind.port >= NR_EVENT_CHANNELS) break; - spin_lock_irq(&port_user_lock); - rc = -ENOTCONN; - if (get_port_user(unbind.port) != u) { - spin_unlock_irq(&port_user_lock); + if (get_port_user(unbind.port) != u) break; - } disable_irq(irq_from_evtchn(unbind.port)); - spin_unlock_irq(&port_user_lock); - evtchn_unbind_from_user(u, unbind.port); rc = 0; @@ -490,26 +484,15 @@ static int evtchn_release(struct inode *inode, struct file *filp) int i; struct per_user_data *u = filp->private_data; - spin_lock_irq(&port_user_lock); - - free_page((unsigned long)u->ring); - for (i = 0; i < NR_EVENT_CHANNELS; i++) { if (get_port_user(i) != u) continue; disable_irq(irq_from_evtchn(i)); - } - - spin_unlock_irq(&port_user_lock); - - for (i = 0; i < NR_EVENT_CHANNELS; i++) { - if (get_port_user(i) != u) - continue; - evtchn_unbind_from_user(get_port_user(i), i); } + free_page((unsigned long)u->ring); kfree(u->name); kfree(u); diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c index 6ed8a9d..34b20bf 100644 --- a/drivers/xen/xenbus/xenbus_probe_frontend.c +++ b/drivers/xen/xenbus/xenbus_probe_frontend.c @@ -115,7 +115,6 @@ static int xenbus_frontend_dev_resume(struct device *dev) return -EFAULT; } - INIT_WORK(&xdev->work, xenbus_frontend_delayed_resume); queue_work(xenbus_frontend_wq, &xdev->work); return 0; @@ -124,6 +123,16 @@ static int xenbus_frontend_dev_resume(struct device *dev) return xenbus_dev_resume(dev); } +static int xenbus_frontend_dev_probe(struct device *dev) +{ + if (xen_store_domain_type == XS_LOCAL) { + struct xenbus_device *xdev = to_xenbus_device(dev); + INIT_WORK(&xdev->work, xenbus_frontend_delayed_resume); + } + + return xenbus_dev_probe(dev); +} + static const struct dev_pm_ops xenbus_pm_ops = { .suspend = xenbus_dev_suspend, .resume = xenbus_frontend_dev_resume, @@ -142,7 +151,7 @@ static struct xen_bus_type xenbus_frontend = { .name = "xen", .match = xenbus_match, .uevent = xenbus_uevent_frontend, - .probe = xenbus_dev_probe, + .probe = xenbus_frontend_dev_probe, .remove = xenbus_dev_remove, .shutdown = xenbus_dev_shutdown, .dev_attrs = xenbus_dev_attrs, @@ -474,7 +483,11 @@ static int __init xenbus_probe_frontend_init(void) register_xenstore_notifier(&xenstore_notifier); - xenbus_frontend_wq = create_workqueue("xenbus_frontend"); + if (xen_store_domain_type == XS_LOCAL) { + xenbus_frontend_wq = create_workqueue("xenbus_frontend"); + if (!xenbus_frontend_wq) + pr_warn("create xenbus frontend workqueue failed, S3 resume is likely to fail\n"); + } return 0; } diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index eaf1333..8bc5e8c 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -36,16 +36,23 @@ static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb, u64 extent_item_pos, struct extent_inode_elem **eie) { - u64 data_offset; - u64 data_len; + u64 offset = 0; struct extent_inode_elem *e; - data_offset = btrfs_file_extent_offset(eb, fi); - data_len = btrfs_file_extent_num_bytes(eb, fi); + if (!btrfs_file_extent_compression(eb, fi) && + !btrfs_file_extent_encryption(eb, fi) && + !btrfs_file_extent_other_encoding(eb, fi)) { + u64 data_offset; + u64 data_len; - if (extent_item_pos < data_offset || - extent_item_pos >= data_offset + data_len) - return 1; + data_offset = btrfs_file_extent_offset(eb, fi); + data_len = btrfs_file_extent_num_bytes(eb, fi); + + if (extent_item_pos < data_offset || + extent_item_pos >= data_offset + data_len) + return 1; + offset = extent_item_pos - data_offset; + } e = kmalloc(sizeof(*e), GFP_NOFS); if (!e) @@ -53,7 +60,7 @@ static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb, e->next = *eie; e->inum = key->objectid; - e->offset = key->offset + (extent_item_pos - data_offset); + e->offset = key->offset + offset; *eie = e; return 0; @@ -189,7 +196,7 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path, struct extent_buffer *eb; struct btrfs_key key; struct btrfs_file_extent_item *fi; - struct extent_inode_elem *eie = NULL; + struct extent_inode_elem *eie = NULL, *old = NULL; u64 disk_byte; if (level != 0) { @@ -223,6 +230,7 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path, if (disk_byte == wanted_disk_byte) { eie = NULL; + old = NULL; if (extent_item_pos) { ret = check_extent_in_eb(&key, eb, fi, *extent_item_pos, @@ -230,18 +238,20 @@ static int add_all_parents(struct btrfs_root *root, struct btrfs_path *path, if (ret < 0) break; } - if (!ret) { - ret = ulist_add(parents, eb->start, - (uintptr_t)eie, GFP_NOFS); - if (ret < 0) - break; - if (!extent_item_pos) { - ret = btrfs_next_old_leaf(root, path, - time_seq); - continue; - } + if (ret > 0) + goto next; + ret = ulist_add_merge(parents, eb->start, + (uintptr_t)eie, + (u64 *)&old, GFP_NOFS); + if (ret < 0) + break; + if (!ret && extent_item_pos) { + while (old->next) + old = old->next; + old->next = eie; } } +next: ret = btrfs_next_old_item(root, path, time_seq); } diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 5bf4c39..ed50460 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -1271,7 +1271,6 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct extent_buffer *eb, BUG_ON(!eb_rewin); } - extent_buffer_get(eb_rewin); btrfs_tree_read_unlock(eb); free_extent_buffer(eb); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 583d98b..fe443fe 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4048,7 +4048,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, } while (!end) { - u64 offset_in_extent; + u64 offset_in_extent = 0; /* break if the extent we found is outside the range */ if (em->start >= max || extent_map_end(em) < off) @@ -4064,9 +4064,12 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, /* * record the offset from the start of the extent - * for adjusting the disk offset below + * for adjusting the disk offset below. Only do this if the + * extent isn't compressed since our in ram offset may be past + * what we have actually allocated on disk. */ - offset_in_extent = em_start - em->start; + if (!test_bit(EXTENT_FLAG_COMPRESSED, &em->flags)) + offset_in_extent = em_start - em->start; em_end = extent_map_end(em); em_len = em_end - em_start; emflags = em->flags; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index a005fe2..8e686a4 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -596,20 +596,29 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, if (no_splits) goto next; - if (em->block_start < EXTENT_MAP_LAST_BYTE && - em->start < start) { + if (em->start < start) { split->start = em->start; split->len = start - em->start; - split->orig_start = em->orig_start; - split->block_start = em->block_start; - if (compressed) - split->block_len = em->block_len; - else - split->block_len = split->len; - split->ram_bytes = em->ram_bytes; - split->orig_block_len = max(split->block_len, - em->orig_block_len); + if (em->block_start < EXTENT_MAP_LAST_BYTE) { + split->orig_start = em->orig_start; + split->block_start = em->block_start; + + if (compressed) + split->block_len = em->block_len; + else + split->block_len = split->len; + split->orig_block_len = max(split->block_len, + em->orig_block_len); + split->ram_bytes = em->ram_bytes; + } else { + split->orig_start = split->start; + split->block_len = 0; + split->block_start = em->block_start; + split->orig_block_len = 0; + split->ram_bytes = split->len; + } + split->generation = gen; split->bdev = em->bdev; split->flags = flags; @@ -620,8 +629,7 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, split = split2; split2 = NULL; } - if (em->block_start < EXTENT_MAP_LAST_BYTE && - testend && em->start + em->len > start + len) { + if (testend && em->start + em->len > start + len) { u64 diff = start + len - em->start; split->start = start + len; @@ -630,18 +638,28 @@ void btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, split->flags = flags; split->compress_type = em->compress_type; split->generation = gen; - split->orig_block_len = max(em->block_len, + + if (em->block_start < EXTENT_MAP_LAST_BYTE) { + split->orig_block_len = max(em->block_len, em->orig_block_len); - split->ram_bytes = em->ram_bytes; - if (compressed) { - split->block_len = em->block_len; - split->block_start = em->block_start; - split->orig_start = em->orig_start; + split->ram_bytes = em->ram_bytes; + if (compressed) { + split->block_len = em->block_len; + split->block_start = em->block_start; + split->orig_start = em->orig_start; + } else { + split->block_len = split->len; + split->block_start = em->block_start + + diff; + split->orig_start = em->orig_start; + } } else { - split->block_len = split->len; - split->block_start = em->block_start + diff; - split->orig_start = em->orig_start; + split->ram_bytes = split->len; + split->orig_start = split->start; + split->block_len = 0; + split->block_start = em->block_start; + split->orig_block_len = 0; } ret = add_extent_mapping(em_tree, split, modified); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 6d1b93c..021694c 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2166,16 +2166,23 @@ static noinline int record_one_backref(u64 inum, u64 offset, u64 root_id, if (btrfs_file_extent_disk_bytenr(leaf, extent) != old->bytenr) continue; - extent_offset = btrfs_file_extent_offset(leaf, extent); - if (key.offset - extent_offset != offset) + /* + * 'offset' refers to the exact key.offset, + * NOT the 'offset' field in btrfs_extent_data_ref, ie. + * (key.offset - extent_offset). + */ + if (key.offset != offset) continue; + extent_offset = btrfs_file_extent_offset(leaf, extent); num_bytes = btrfs_file_extent_num_bytes(leaf, extent); + if (extent_offset >= old->extent_offset + old->offset + old->len || extent_offset + num_bytes <= old->extent_offset + old->offset) continue; + ret = 0; break; } @@ -2187,7 +2194,7 @@ static noinline int record_one_backref(u64 inum, u64 offset, u64 root_id, backref->root_id = root_id; backref->inum = inum; - backref->file_pos = offset + extent_offset; + backref->file_pos = offset; backref->num_bytes = num_bytes; backref->extent_offset = extent_offset; backref->generation = btrfs_file_extent_generation(leaf, extent); @@ -2210,7 +2217,8 @@ static noinline bool record_extent_backrefs(struct btrfs_path *path, new->path = path; list_for_each_entry_safe(old, tmp, &new->head, list) { - ret = iterate_inodes_from_logical(old->bytenr, fs_info, + ret = iterate_inodes_from_logical(old->bytenr + + old->extent_offset, fs_info, path, record_one_backref, old); BUG_ON(ret < 0 && ret != -ENOENT); @@ -4391,9 +4399,6 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr) int mask = attr->ia_valid; int ret; - if (newsize == oldsize) - return 0; - /* * The regular truncate() case without ATTR_CTIME and ATTR_MTIME is a * special case where we need to update the times despite not having @@ -5165,14 +5170,31 @@ next: } /* Reached end of directory/root. Bump pos past the last item. */ - if (key_type == BTRFS_DIR_INDEX_KEY) - /* - * 32-bit glibc will use getdents64, but then strtol - - * so the last number we can serve is this. - */ - ctx->pos = 0x7fffffff; - else - ctx->pos++; + ctx->pos++; + + /* + * Stop new entries from being returned after we return the last + * entry. + * + * New directory entries are assigned a strictly increasing + * offset. This means that new entries created during readdir + * are *guaranteed* to be seen in the future by that readdir. + * This has broken buggy programs which operate on names as + * they're returned by readdir. Until we re-use freed offsets + * we have this hack to stop new entries from being returned + * under the assumption that they'll never reach this huge + * offset. + * + * This is being careful not to overflow 32bit loff_t unless the + * last entry requires it because doing so has broken 32bit apps + * in the past. + */ + if (key_type == BTRFS_DIR_INDEX_KEY) { + if (ctx->pos >= INT_MAX) + ctx->pos = LLONG_MAX; + else + ctx->pos = INT_MAX; + } nopos: ret = 0; err: diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index d58cce7..af1931a 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -983,12 +983,12 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans, * a dirty root struct and adds it into the list of dead roots that need to * be deleted */ -int btrfs_add_dead_root(struct btrfs_root *root) +void btrfs_add_dead_root(struct btrfs_root *root) { spin_lock(&root->fs_info->trans_lock); - list_add_tail(&root->root_list, &root->fs_info->dead_roots); + if (list_empty(&root->root_list)) + list_add_tail(&root->root_list, &root->fs_info->dead_roots); spin_unlock(&root->fs_info->trans_lock); - return 0; } /* @@ -1925,7 +1925,7 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root) } root = list_first_entry(&fs_info->dead_roots, struct btrfs_root, root_list); - list_del(&root->root_list); + list_del_init(&root->root_list); spin_unlock(&fs_info->trans_lock); pr_debug("btrfs: cleaner removing %llu\n", diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 005b037..defbc42 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -143,7 +143,7 @@ int btrfs_wait_for_commit(struct btrfs_root *root, u64 transid); int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans, struct btrfs_root *root); -int btrfs_add_dead_root(struct btrfs_root *root); +void btrfs_add_dead_root(struct btrfs_root *root); int btrfs_defrag_root(struct btrfs_root *root); int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root); int btrfs_commit_transaction(struct btrfs_trans_handle *trans, diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 2c67914..ff60d89 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3746,8 +3746,9 @@ next_slot: } log_extents: + btrfs_release_path(path); + btrfs_release_path(dst_path); if (fast_search) { - btrfs_release_path(dst_path); ret = btrfs_log_changed_extents(trans, root, inode, dst_path); if (ret) { err = ret; @@ -3764,8 +3765,6 @@ log_extents: } if (inode_only == LOG_INODE_ALL && S_ISDIR(inode->i_mode)) { - btrfs_release_path(path); - btrfs_release_path(dst_path); ret = log_directory_changes(trans, root, inode, path, dst_path); if (ret) { err = ret; diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index 45e57cc..fc6f4f3 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -43,17 +43,18 @@ cifs_crypto_shash_md5_allocate(struct TCP_Server_Info *server) server->secmech.md5 = crypto_alloc_shash("md5", 0, 0); if (IS_ERR(server->secmech.md5)) { cifs_dbg(VFS, "could not allocate crypto md5\n"); - return PTR_ERR(server->secmech.md5); + rc = PTR_ERR(server->secmech.md5); + server->secmech.md5 = NULL; + return rc; } size = sizeof(struct shash_desc) + crypto_shash_descsize(server->secmech.md5); server->secmech.sdescmd5 = kmalloc(size, GFP_KERNEL); if (!server->secmech.sdescmd5) { - rc = -ENOMEM; crypto_free_shash(server->secmech.md5); server->secmech.md5 = NULL; - return rc; + return -ENOMEM; } server->secmech.sdescmd5->shash.tfm = server->secmech.md5; server->secmech.sdescmd5->shash.flags = 0x0; @@ -421,7 +422,7 @@ find_domain_name(struct cifs_ses *ses, const struct nls_table *nls_cp) if (blobptr + attrsize > blobend) break; if (type == NTLMSSP_AV_NB_DOMAIN_NAME) { - if (!attrsize) + if (!attrsize || attrsize >= CIFS_MAX_DOMAINNAME_LEN) break; if (!ses->domainName) { ses->domainName = @@ -591,6 +592,7 @@ CalcNTLMv2_response(const struct cifs_ses *ses, char *ntlmv2_hash) static int crypto_hmacmd5_alloc(struct TCP_Server_Info *server) { + int rc; unsigned int size; /* check if already allocated */ @@ -600,7 +602,9 @@ static int crypto_hmacmd5_alloc(struct TCP_Server_Info *server) server->secmech.hmacmd5 = crypto_alloc_shash("hmac(md5)", 0, 0); if (IS_ERR(server->secmech.hmacmd5)) { cifs_dbg(VFS, "could not allocate crypto hmacmd5\n"); - return PTR_ERR(server->secmech.hmacmd5); + rc = PTR_ERR(server->secmech.hmacmd5); + server->secmech.hmacmd5 = NULL; + return rc; } size = sizeof(struct shash_desc) + diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 4bdd547..85ea98d 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -147,18 +147,17 @@ cifs_read_super(struct super_block *sb) goto out_no_root; } + if (cifs_sb_master_tcon(cifs_sb)->nocase) + sb->s_d_op = &cifs_ci_dentry_ops; + else + sb->s_d_op = &cifs_dentry_ops; + sb->s_root = d_make_root(inode); if (!sb->s_root) { rc = -ENOMEM; goto out_no_root; } - /* do that *after* d_make_root() - we want NULL ->d_op for root here */ - if (cifs_sb_master_tcon(cifs_sb)->nocase) - sb->s_d_op = &cifs_ci_dentry_ops; - else - sb->s_d_op = &cifs_dentry_ops; - #ifdef CONFIG_CIFS_NFSD_EXPORT if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) { cifs_dbg(FYI, "export ops supported\n"); diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 1fdc370..52ca861 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -44,6 +44,7 @@ #define MAX_TREE_SIZE (2 + MAX_SERVER_SIZE + 1 + MAX_SHARE_SIZE + 1) #define MAX_SERVER_SIZE 15 #define MAX_SHARE_SIZE 80 +#define CIFS_MAX_DOMAINNAME_LEN 256 /* max domain name length */ #define MAX_USERNAME_SIZE 256 /* reasonable maximum for current servers */ #define MAX_PASSWORD_SIZE 512 /* max for windows seems to be 256 wide chars */ @@ -369,6 +370,9 @@ struct smb_version_operations { void (*generate_signingkey)(struct TCP_Server_Info *server); int (*calc_signature)(struct smb_rqst *rqst, struct TCP_Server_Info *server); + int (*query_mf_symlink)(const unsigned char *path, char *pbuf, + unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb, + unsigned int xid); }; struct smb_version_values { diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index f7e584d..b29a012 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -497,5 +497,7 @@ void cifs_writev_complete(struct work_struct *work); struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages, work_func_t complete); void cifs_writedata_release(struct kref *refcount); - +int open_query_close_cifs_symlink(const unsigned char *path, char *pbuf, + unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb, + unsigned int xid); #endif /* _CIFSPROTO_H */ diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index fa68813..d67c550 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1675,7 +1675,8 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, if (string == NULL) goto out_nomem; - if (strnlen(string, 256) == 256) { + if (strnlen(string, CIFS_MAX_DOMAINNAME_LEN) + == CIFS_MAX_DOMAINNAME_LEN) { printk(KERN_WARNING "CIFS: domain name too" " long\n"); goto cifs_parse_mount_err; @@ -2276,8 +2277,8 @@ cifs_put_smb_ses(struct cifs_ses *ses) #ifdef CONFIG_KEYS -/* strlen("cifs:a:") + INET6_ADDRSTRLEN + 1 */ -#define CIFSCREDS_DESC_SIZE (7 + INET6_ADDRSTRLEN + 1) +/* strlen("cifs:a:") + CIFS_MAX_DOMAINNAME_LEN + 1 */ +#define CIFSCREDS_DESC_SIZE (7 + CIFS_MAX_DOMAINNAME_LEN + 1) /* Populate username and pw fields from keyring if possible */ static int diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 1e57f36..7e36ae3 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -647,6 +647,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) oflags, &oplock, &cfile->fid.netfid, xid); if (rc == 0) { cifs_dbg(FYI, "posix reopen succeeded\n"); + oparms.reconnect = true; goto reopen_success; } /* diff --git a/fs/cifs/link.c b/fs/cifs/link.c index b83c3f5..562044f 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -305,67 +305,89 @@ CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr) } int -CIFSCheckMFSymlink(struct cifs_fattr *fattr, - const unsigned char *path, - struct cifs_sb_info *cifs_sb, unsigned int xid) +open_query_close_cifs_symlink(const unsigned char *path, char *pbuf, + unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb, + unsigned int xid) { int rc; int oplock = 0; __u16 netfid = 0; struct tcon_link *tlink; - struct cifs_tcon *pTcon; + struct cifs_tcon *ptcon; struct cifs_io_parms io_parms; - u8 *buf; - char *pbuf; - unsigned int bytes_read = 0; int buf_type = CIFS_NO_BUFFER; - unsigned int link_len = 0; FILE_ALL_INFO file_info; - if (!CIFSCouldBeMFSymlink(fattr)) - /* it's not a symlink */ - return 0; - tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) return PTR_ERR(tlink); - pTcon = tlink_tcon(tlink); + ptcon = tlink_tcon(tlink); - rc = CIFSSMBOpen(xid, pTcon, path, FILE_OPEN, GENERIC_READ, + rc = CIFSSMBOpen(xid, ptcon, path, FILE_OPEN, GENERIC_READ, CREATE_NOT_DIR, &netfid, &oplock, &file_info, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - if (rc != 0) - goto out; + if (rc != 0) { + cifs_put_tlink(tlink); + return rc; + } if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) { - CIFSSMBClose(xid, pTcon, netfid); + CIFSSMBClose(xid, ptcon, netfid); + cifs_put_tlink(tlink); /* it's not a symlink */ - goto out; + return rc; } - buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL); - if (!buf) { - rc = -ENOMEM; - goto out; - } - pbuf = buf; io_parms.netfid = netfid; io_parms.pid = current->tgid; - io_parms.tcon = pTcon; + io_parms.tcon = ptcon; io_parms.offset = 0; io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE; - rc = CIFSSMBRead(xid, &io_parms, &bytes_read, &pbuf, &buf_type); - CIFSSMBClose(xid, pTcon, netfid); - if (rc != 0) { - kfree(buf); + rc = CIFSSMBRead(xid, &io_parms, pbytes_read, &pbuf, &buf_type); + CIFSSMBClose(xid, ptcon, netfid); + cifs_put_tlink(tlink); + return rc; +} + + +int +CIFSCheckMFSymlink(struct cifs_fattr *fattr, + const unsigned char *path, + struct cifs_sb_info *cifs_sb, unsigned int xid) +{ + int rc = 0; + u8 *buf = NULL; + unsigned int link_len = 0; + unsigned int bytes_read = 0; + struct cifs_tcon *ptcon; + + if (!CIFSCouldBeMFSymlink(fattr)) + /* it's not a symlink */ + return 0; + + buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL); + if (!buf) { + rc = -ENOMEM; goto out; } + ptcon = tlink_tcon(cifs_sb_tlink(cifs_sb)); + if ((ptcon->ses) && (ptcon->ses->server->ops->query_mf_symlink)) + rc = ptcon->ses->server->ops->query_mf_symlink(path, buf, + &bytes_read, cifs_sb, xid); + else + goto out; + + if (rc != 0) + goto out; + + if (bytes_read == 0) /* not a symlink */ + goto out; + rc = CIFSParseMFSymlink(buf, bytes_read, &link_len, NULL); - kfree(buf); if (rc == -EINVAL) { /* it's not a symlink */ rc = 0; @@ -381,7 +403,7 @@ CIFSCheckMFSymlink(struct cifs_fattr *fattr, fattr->cf_mode |= S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO; fattr->cf_dtype = DT_LNK; out: - cifs_put_tlink(tlink); + kfree(buf); return rc; } diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index ab87784..69d2c82 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -111,6 +111,14 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name, return; } + /* + * If we know that the inode will need to be revalidated immediately, + * then don't create a new dentry for it. We'll end up doing an on + * the wire call either way and this spares us an invalidation. + */ + if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL) + return; + dentry = d_alloc(parent, name); if (!dentry) return; diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 79358e3..08dd37b 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -197,7 +197,7 @@ static void unicode_domain_string(char **pbcc_area, struct cifs_ses *ses, bytes_ret = 0; } else bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, ses->domainName, - 256, nls_cp); + CIFS_MAX_DOMAINNAME_LEN, nls_cp); bcc_ptr += 2 * bytes_ret; bcc_ptr += 2; /* account for null terminator */ @@ -255,8 +255,8 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifs_ses *ses, /* copy domain */ if (ses->domainName != NULL) { - strncpy(bcc_ptr, ses->domainName, 256); - bcc_ptr += strnlen(ses->domainName, 256); + strncpy(bcc_ptr, ses->domainName, CIFS_MAX_DOMAINNAME_LEN); + bcc_ptr += strnlen(ses->domainName, CIFS_MAX_DOMAINNAME_LEN); } /* else we will send a null domain name so the server will default to its own domain */ *bcc_ptr = 0; diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 6457690..6094397 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -944,6 +944,7 @@ struct smb_version_operations smb1_operations = { .mand_lock = cifs_mand_lock, .mand_unlock_range = cifs_unlock_range, .push_mand_locks = cifs_push_mandatory_locks, + .query_mf_symlink = open_query_close_cifs_symlink, }; struct smb_version_values smb1_values = { diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index 301b191..4f2300d 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -42,6 +42,7 @@ static int smb2_crypto_shash_allocate(struct TCP_Server_Info *server) { + int rc; unsigned int size; if (server->secmech.sdeschmacsha256 != NULL) @@ -50,7 +51,9 @@ smb2_crypto_shash_allocate(struct TCP_Server_Info *server) server->secmech.hmacsha256 = crypto_alloc_shash("hmac(sha256)", 0, 0); if (IS_ERR(server->secmech.hmacsha256)) { cifs_dbg(VFS, "could not allocate crypto hmacsha256\n"); - return PTR_ERR(server->secmech.hmacsha256); + rc = PTR_ERR(server->secmech.hmacsha256); + server->secmech.hmacsha256 = NULL; + return rc; } size = sizeof(struct shash_desc) + @@ -87,7 +90,9 @@ smb3_crypto_shash_allocate(struct TCP_Server_Info *server) server->secmech.sdeschmacsha256 = NULL; crypto_free_shash(server->secmech.hmacsha256); server->secmech.hmacsha256 = NULL; - return PTR_ERR(server->secmech.cmacaes); + rc = PTR_ERR(server->secmech.cmacaes); + server->secmech.cmacaes = NULL; + return rc; } size = sizeof(struct shash_desc) + diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 4888cb3..c7c83ff 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -533,8 +533,7 @@ EXPORT_SYMBOL_GPL(debugfs_remove); */ void debugfs_remove_recursive(struct dentry *dentry) { - struct dentry *child; - struct dentry *parent; + struct dentry *child, *next, *parent; if (IS_ERR_OR_NULL(dentry)) return; @@ -544,61 +543,37 @@ void debugfs_remove_recursive(struct dentry *dentry) return; parent = dentry; + down: mutex_lock(&parent->d_inode->i_mutex); + list_for_each_entry_safe(child, next, &parent->d_subdirs, d_u.d_child) { + if (!debugfs_positive(child)) + continue; - while (1) { - /* - * When all dentries under "parent" has been removed, - * walk up the tree until we reach our starting point. - */ - if (list_empty(&parent->d_subdirs)) { - mutex_unlock(&parent->d_inode->i_mutex); - if (parent == dentry) - break; - parent = parent->d_parent; - mutex_lock(&parent->d_inode->i_mutex); - } - child = list_entry(parent->d_subdirs.next, struct dentry, - d_u.d_child); - next_sibling: - - /* - * If "child" isn't empty, walk down the tree and - * remove all its descendants first. - */ + /* perhaps simple_empty(child) makes more sense */ if (!list_empty(&child->d_subdirs)) { mutex_unlock(&parent->d_inode->i_mutex); parent = child; - mutex_lock(&parent->d_inode->i_mutex); - continue; + goto down; } - __debugfs_remove(child, parent); - if (parent->d_subdirs.next == &child->d_u.d_child) { - /* - * Try the next sibling. - */ - if (child->d_u.d_child.next != &parent->d_subdirs) { - child = list_entry(child->d_u.d_child.next, - struct dentry, - d_u.d_child); - goto next_sibling; - } - - /* - * Avoid infinite loop if we fail to remove - * one dentry. - */ - mutex_unlock(&parent->d_inode->i_mutex); - break; - } - simple_release_fs(&debugfs_mount, &debugfs_mount_count); + up: + if (!__debugfs_remove(child, parent)) + simple_release_fs(&debugfs_mount, &debugfs_mount_count); } - parent = dentry->d_parent; + mutex_unlock(&parent->d_inode->i_mutex); + child = parent; + parent = parent->d_parent; mutex_lock(&parent->d_inode->i_mutex); - __debugfs_remove(dentry, parent); + + if (child != dentry) { + next = list_entry(child->d_u.d_child.next, struct dentry, + d_u.d_child); + goto up; + } + + if (!__debugfs_remove(child, parent)) + simple_release_fs(&debugfs_mount, &debugfs_mount_count); mutex_unlock(&parent->d_inode->i_mutex); - simple_release_fs(&debugfs_mount, &debugfs_mount_count); } EXPORT_SYMBOL_GPL(debugfs_remove_recursive); diff --git a/fs/dlm/user.c b/fs/dlm/user.c index 911649a..81214911 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c @@ -686,7 +686,6 @@ static int device_close(struct inode *inode, struct file *file) device_remove_lockspace() */ sigprocmask(SIG_SETMASK, &tmpsig, NULL); - recalc_sigpending(); return 0; } @@ -608,7 +608,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) return -ENOMEM; lru_add_drain(); - tlb_gather_mmu(&tlb, mm, 0); + tlb_gather_mmu(&tlb, mm, old_start, old_end); if (new_end > old_start) { /* * when the old and new regions overlap clear from new_end. @@ -625,7 +625,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) free_pgd_range(&tlb, old_start, old_end, new_end, vma->vm_next ? vma->vm_next->vm_start : USER_PGTABLES_CEILING); } - tlb_finish_mmu(&tlb, new_end, old_end); + tlb_finish_mmu(&tlb, old_start, old_end); /* * Shrink the vma to just the new range. Always succeeds. diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index b577e45..0ab26fb 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2086,6 +2086,7 @@ extern int ext4_sync_inode(handle_t *, struct inode *); extern void ext4_dirty_inode(struct inode *, int); extern int ext4_change_inode_journal_flag(struct inode *, int); extern int ext4_get_inode_loc(struct inode *, struct ext4_iloc *); +extern int ext4_inode_attach_jinode(struct inode *inode); extern int ext4_can_truncate(struct inode *inode); extern void ext4_truncate(struct inode *); extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length); diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 72a3600..17ac112 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -255,10 +255,10 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line, set_buffer_prio(bh); if (ext4_handle_valid(handle)) { err = jbd2_journal_dirty_metadata(handle, bh); - if (err) { - /* Errors can only happen if there is a bug */ - handle->h_err = err; - __ext4_journal_stop(where, line, handle); + /* Errors can only happen if there is a bug */ + if (WARN_ON_ONCE(err)) { + ext4_journal_abort_handle(where, line, __func__, bh, + handle, err); } } else { if (inode) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index a618738..72ba470 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4412,7 +4412,7 @@ void ext4_ext_truncate(handle_t *handle, struct inode *inode) retry: err = ext4_es_remove_extent(inode, last_block, EXT_MAX_BLOCKS - last_block); - if (err == ENOMEM) { + if (err == -ENOMEM) { cond_resched(); congestion_wait(BLK_RW_ASYNC, HZ/50); goto retry; diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 6f4cc56..319c9d2 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -219,7 +219,6 @@ static int ext4_file_open(struct inode * inode, struct file * filp) { struct super_block *sb = inode->i_sb; struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); - struct ext4_inode_info *ei = EXT4_I(inode); struct vfsmount *mnt = filp->f_path.mnt; struct path path; char buf[64], *cp; @@ -259,22 +258,10 @@ static int ext4_file_open(struct inode * inode, struct file * filp) * Set up the jbd2_inode if we are opening the inode for * writing and the journal is present */ - if (sbi->s_journal && !ei->jinode && (filp->f_mode & FMODE_WRITE)) { - struct jbd2_inode *jinode = jbd2_alloc_inode(GFP_KERNEL); - - spin_lock(&inode->i_lock); - if (!ei->jinode) { - if (!jinode) { - spin_unlock(&inode->i_lock); - return -ENOMEM; - } - ei->jinode = jinode; - jbd2_journal_init_jbd_inode(ei->jinode, inode); - jinode = NULL; - } - spin_unlock(&inode->i_lock); - if (unlikely(jinode != NULL)) - jbd2_free_inode(jinode); + if (filp->f_mode & FMODE_WRITE) { + int ret = ext4_inode_attach_jinode(inode); + if (ret < 0) + return ret; } return dquot_file_open(inode, filp); } diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index f03598c..8bf5999 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -734,11 +734,8 @@ repeat_in_this_group: ino = ext4_find_next_zero_bit((unsigned long *) inode_bitmap_bh->b_data, EXT4_INODES_PER_GROUP(sb), ino); - if (ino >= EXT4_INODES_PER_GROUP(sb)) { - if (++group == ngroups) - group = 0; - continue; - } + if (ino >= EXT4_INODES_PER_GROUP(sb)) + goto next_group; if (group == 0 && (ino+1) < EXT4_FIRST_INO(sb)) { ext4_error(sb, "reserved inode found cleared - " "inode=%lu", ino + 1); @@ -769,6 +766,9 @@ repeat_in_this_group: goto got; /* we grabbed the inode! */ if (ino < EXT4_INODES_PER_GROUP(sb)) goto repeat_in_this_group; +next_group: + if (++group == ngroups) + group = 0; } err = -ENOSPC; goto out; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index ba33c67..c2ca04e 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -555,14 +555,13 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode, int ret; unsigned long long status; -#ifdef ES_AGGRESSIVE_TEST - if (retval != map->m_len) { - printk("ES len assertion failed for inode: %lu " - "retval %d != map->m_len %d " - "in %s (lookup)\n", inode->i_ino, retval, - map->m_len, __func__); + if (unlikely(retval != map->m_len)) { + ext4_warning(inode->i_sb, + "ES len assertion failed for inode " + "%lu: retval %d != map->m_len %d", + inode->i_ino, retval, map->m_len); + WARN_ON(1); } -#endif status = map->m_flags & EXT4_MAP_UNWRITTEN ? EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; @@ -656,14 +655,13 @@ found: int ret; unsigned long long status; -#ifdef ES_AGGRESSIVE_TEST - if (retval != map->m_len) { - printk("ES len assertion failed for inode: %lu " - "retval %d != map->m_len %d " - "in %s (allocation)\n", inode->i_ino, retval, - map->m_len, __func__); + if (unlikely(retval != map->m_len)) { + ext4_warning(inode->i_sb, + "ES len assertion failed for inode " + "%lu: retval %d != map->m_len %d", + inode->i_ino, retval, map->m_len); + WARN_ON(1); } -#endif /* * If the extent has been zeroed out, we don't need to update @@ -1637,14 +1635,13 @@ add_delayed: int ret; unsigned long long status; -#ifdef ES_AGGRESSIVE_TEST - if (retval != map->m_len) { - printk("ES len assertion failed for inode: %lu " - "retval %d != map->m_len %d " - "in %s (lookup)\n", inode->i_ino, retval, - map->m_len, __func__); + if (unlikely(retval != map->m_len)) { + ext4_warning(inode->i_sb, + "ES len assertion failed for inode " + "%lu: retval %d != map->m_len %d", + inode->i_ino, retval, map->m_len); + WARN_ON(1); } -#endif status = map->m_flags & EXT4_MAP_UNWRITTEN ? EXTENT_STATUS_UNWRITTEN : EXTENT_STATUS_WRITTEN; @@ -3536,6 +3533,18 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length) offset; } + if (offset & (sb->s_blocksize - 1) || + (offset + length) & (sb->s_blocksize - 1)) { + /* + * Attach jinode to inode for jbd2 if we do any zeroing of + * partial block + */ + ret = ext4_inode_attach_jinode(inode); + if (ret < 0) + goto out_mutex; + + } + first_block_offset = round_up(offset, sb->s_blocksize); last_block_offset = round_down((offset + length), sb->s_blocksize) - 1; @@ -3604,6 +3613,31 @@ out_mutex: return ret; } +int ext4_inode_attach_jinode(struct inode *inode) +{ + struct ext4_inode_info *ei = EXT4_I(inode); + struct jbd2_inode *jinode; + + if (ei->jinode || !EXT4_SB(inode->i_sb)->s_journal) + return 0; + + jinode = jbd2_alloc_inode(GFP_KERNEL); + spin_lock(&inode->i_lock); + if (!ei->jinode) { + if (!jinode) { + spin_unlock(&inode->i_lock); + return -ENOMEM; + } + ei->jinode = jinode; + jbd2_journal_init_jbd_inode(ei->jinode, inode); + jinode = NULL; + } + spin_unlock(&inode->i_lock); + if (unlikely(jinode != NULL)) + jbd2_free_inode(jinode); + return 0; +} + /* * ext4_truncate() * @@ -3664,6 +3698,12 @@ void ext4_truncate(struct inode *inode) return; } + /* If we zero-out tail of the page, we have to create jinode for jbd2 */ + if (inode->i_size & (inode->i_sb->s_blocksize - 1)) { + if (ext4_inode_attach_jinode(inode) < 0) + return; + } + if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) credits = ext4_writepage_trans_blocks(inode); else diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 9491ac0..c0427e2 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -77,8 +77,10 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2) memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data)); memswap(&ei1->i_flags, &ei2->i_flags, sizeof(ei1->i_flags)); memswap(&ei1->i_disksize, &ei2->i_disksize, sizeof(ei1->i_disksize)); - memswap(&ei1->i_es_tree, &ei2->i_es_tree, sizeof(ei1->i_es_tree)); - memswap(&ei1->i_es_lru_nr, &ei2->i_es_lru_nr, sizeof(ei1->i_es_lru_nr)); + ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS); + ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS); + ext4_es_lru_del(inode1); + ext4_es_lru_del(inode2); isize = i_size_read(inode1); i_size_write(inode1, i_size_read(inode2)); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index bca26f3..b59373b 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1359,7 +1359,7 @@ static const struct mount_opts { {Opt_delalloc, EXT4_MOUNT_DELALLOC, MOPT_EXT4_ONLY | MOPT_SET | MOPT_EXPLICIT}, {Opt_nodelalloc, EXT4_MOUNT_DELALLOC, - MOPT_EXT4_ONLY | MOPT_CLEAR | MOPT_EXPLICIT}, + MOPT_EXT4_ONLY | MOPT_CLEAR}, {Opt_journal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM, MOPT_EXT4_ONLY | MOPT_SET}, {Opt_journal_async_commit, (EXT4_MOUNT_JOURNAL_ASYNC_COMMIT | @@ -3483,7 +3483,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) } if (test_opt(sb, DIOREAD_NOLOCK)) { ext4_msg(sb, KERN_ERR, "can't mount with " - "both data=journal and delalloc"); + "both data=journal and dioread_nolock"); goto failed_mount; } if (test_opt(sb, DELALLOC)) @@ -4727,6 +4727,21 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) goto restore_opts; } + if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { + if (test_opt2(sb, EXPLICIT_DELALLOC)) { + ext4_msg(sb, KERN_ERR, "can't mount with " + "both data=journal and delalloc"); + err = -EINVAL; + goto restore_opts; + } + if (test_opt(sb, DIOREAD_NOLOCK)) { + ext4_msg(sb, KERN_ERR, "can't mount with " + "both data=journal and dioread_nolock"); + err = -EINVAL; + goto restore_opts; + } + } + if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED) ext4_abort(sb, "Abort forced by user"); @@ -5481,6 +5496,7 @@ static void __exit ext4_exit_fs(void) kset_unregister(ext4_kset); ext4_exit_system_zone(); ext4_exit_pageio(); + ext4_exit_es(); } MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others"); @@ -730,14 +730,14 @@ static int __init fcntl_init(void) * Exceptions: O_NONBLOCK is a two bit define on parisc; O_NDELAY * is defined as O_NONBLOCK on some platforms and not on others. */ - BUILD_BUG_ON(19 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32( + BUILD_BUG_ON(20 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32( O_RDONLY | O_WRONLY | O_RDWR | O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC | O_APPEND | /* O_NONBLOCK | */ __O_SYNC | O_DSYNC | FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | O_NOATIME | O_CLOEXEC | - __FMODE_EXEC | O_PATH + __FMODE_EXEC | O_PATH | __O_TMPFILE )); fasync_cache = kmem_cache_create("fasync_cache", diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index a3f868a..3442397 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -463,6 +463,14 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb, return inode; } +/* + * Hugetlbfs is not reclaimable; therefore its i_mmap_mutex will never + * be taken from reclaim -- unlike regular filesystems. This needs an + * annotation because huge_pmd_share() does an allocation under + * i_mmap_mutex. + */ +struct lock_class_key hugetlbfs_i_mmap_mutex_key; + static struct inode *hugetlbfs_get_inode(struct super_block *sb, struct inode *dir, umode_t mode, dev_t dev) @@ -474,6 +482,8 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, struct hugetlbfs_inode_info *info; inode->i_ino = get_next_ino(); inode_init_owner(inode, dir, mode); + lockdep_set_class(&inode->i_mapping->i_mmap_mutex, + &hugetlbfs_i_mmap_mutex_key); inode->i_mapping->a_ops = &hugetlbfs_aops; inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c index 01bfe766..41e491b 100644 --- a/fs/lockd/clntlock.c +++ b/fs/lockd/clntlock.c @@ -64,12 +64,17 @@ struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init) nlm_init->protocol, nlm_version, nlm_init->hostname, nlm_init->noresvport, nlm_init->net); - if (host == NULL) { - lockd_down(nlm_init->net); - return ERR_PTR(-ENOLCK); - } + if (host == NULL) + goto out_nohost; + if (host->h_rpcclnt == NULL && nlm_bind_host(host) == NULL) + goto out_nobind; return host; +out_nobind: + nlmclnt_release_host(host); +out_nohost: + lockd_down(nlm_init->net); + return ERR_PTR(-ENOLCK); } EXPORT_SYMBOL_GPL(nlmclnt_init); diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 9760ecb..acd3947 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -125,14 +125,15 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl) { struct nlm_args *argp = &req->a_args; struct nlm_lock *lock = &argp->lock; + char *nodename = req->a_host->h_rpcclnt->cl_nodename; nlmclnt_next_cookie(&argp->cookie); memcpy(&lock->fh, NFS_FH(file_inode(fl->fl_file)), sizeof(struct nfs_fh)); - lock->caller = utsname()->nodename; + lock->caller = nodename; lock->oh.data = req->a_owner; lock->oh.len = snprintf(req->a_owner, sizeof(req->a_owner), "%u@%s", (unsigned int)fl->fl_u.nfs_fl.owner->pid, - utsname()->nodename); + nodename); lock->svid = fl->fl_u.nfs_fl.owner->pid; lock->fl.fl_start = fl->fl_start; lock->fl.fl_end = fl->fl_end; @@ -3671,15 +3671,11 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname, if ((flags & ~(AT_SYMLINK_FOLLOW | AT_EMPTY_PATH)) != 0) return -EINVAL; /* - * To use null names we require CAP_DAC_READ_SEARCH - * This ensures that not everyone will be able to create - * handlink using the passed filedescriptor. + * Using empty names is equivalent to using AT_SYMLINK_FOLLOW + * on /proc/self/fd/<fd>. */ - if (flags & AT_EMPTY_PATH) { - if (!capable(CAP_DAC_READ_SEARCH)) - return -ENOENT; + if (flags & AT_EMPTY_PATH) how = LOOKUP_EMPTY; - } if (flags & AT_SYMLINK_FOLLOW) how |= LOOKUP_FOLLOW; diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index af6e806..941246f 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -463,7 +463,6 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st unlock_new_inode(inode); } else nfs_refresh_inode(inode, fattr); - nfs_setsecurity(inode, fattr, label); dprintk("NFS: nfs_fhget(%s/%Ld fh_crc=0x%08x ct=%d)\n", inode->i_sb->s_id, (long long)NFS_FILEID(inode), @@ -963,9 +962,15 @@ EXPORT_SYMBOL_GPL(nfs_revalidate_inode); static int nfs_invalidate_mapping(struct inode *inode, struct address_space *mapping) { struct nfs_inode *nfsi = NFS_I(inode); - + int ret; + if (mapping->nrpages != 0) { - int ret = invalidate_inode_pages2(mapping); + if (S_ISREG(inode->i_mode)) { + ret = nfs_sync_mapping(mapping); + if (ret < 0) + return ret; + } + ret = invalidate_inode_pages2(mapping); if (ret < 0) return ret; } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index cf11799..108a774 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3071,15 +3071,13 @@ struct rpc_clnt * nfs4_proc_lookup_mountpoint(struct inode *dir, struct qstr *name, struct nfs_fh *fhandle, struct nfs_fattr *fattr) { + struct rpc_clnt *client = NFS_CLIENT(dir); int status; - struct rpc_clnt *client = rpc_clone_client(NFS_CLIENT(dir)); status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr, NULL); - if (status < 0) { - rpc_shutdown_client(client); + if (status < 0) return ERR_PTR(status); - } - return client; + return (client == NFS_CLIENT(dir)) ? rpc_clone_client(client) : client; } static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 71fdc0d..f6db66d 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2478,6 +2478,10 @@ struct dentry *nfs_fs_mount_common(struct nfs_server *server, if (server->flags & NFS_MOUNT_NOAC) sb_mntdata.mntflags |= MS_SYNCHRONOUS; + if (mount_info->cloned != NULL && mount_info->cloned->sb != NULL) + if (mount_info->cloned->sb->s_flags & MS_SYNCHRONOUS) + sb_mntdata.mntflags |= MS_SYNCHRONOUS; + /* Get a superblock - note that we may end up sharing one that already exists */ s = sget(nfs_mod->nfs_fs, compare_super, nfs_set_super, flags, &sb_mntdata); if (IS_ERR(s)) { diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 0d4c410..419572f 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1524,7 +1524,7 @@ static inline u32 nfsd4_write_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op) static inline u32 nfsd4_exchange_id_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op) { return (op_encode_hdr_size + 2 + 1 + /* eir_clientid, eir_sequenceid */\ - 1 + 1 + 0 + /* eir_flags, spr_how, SP4_NONE (for now) */\ + 1 + 1 + 2 + /* eir_flags, spr_how, spo_must_enforce & _allow */\ 2 + /*eir_server_owner.so_minor_id */\ /* eir_server_owner.so_major_id<> */\ XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 +\ diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 280acef..43f4229 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1264,6 +1264,8 @@ static bool svc_rqst_integrity_protected(struct svc_rqst *rqstp) struct svc_cred *cr = &rqstp->rq_cred; u32 service; + if (!cr->cr_gss_mech) + return false; service = gss_pseudoflavor_to_service(cr->cr_gss_mech, cr->cr_flavor); return service == RPC_GSS_SVC_INTEGRITY || service == RPC_GSS_SVC_PRIVACY; diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 0c0f3ea9..c2a4701 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3360,7 +3360,8 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr, 8 /* eir_clientid */ + 4 /* eir_sequenceid */ + 4 /* eir_flags */ + - 4 /* spr_how (SP4_NONE) */ + + 4 /* spr_how */ + + 8 /* spo_must_enforce, spo_must_allow */ + 8 /* so_minor_id */ + 4 /* so_major_id.len */ + (XDR_QUADLEN(major_id_sz) * 4) + @@ -3372,8 +3373,6 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr, WRITE32(exid->seqid); WRITE32(exid->flags); - /* state_protect4_r. Currently only support SP4_NONE */ - BUG_ON(exid->spa_how != SP4_NONE); WRITE32(exid->spa_how); switch (exid->spa_how) { case SP4_NONE: diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 79736a2..2abf97b 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1757,7 +1757,7 @@ try_again: goto out; } else if (ret == 1) { clusters_need = wc->w_clen; - ret = ocfs2_refcount_cow(inode, filp, di_bh, + ret = ocfs2_refcount_cow(inode, di_bh, wc->w_cpos, wc->w_clen, UINT_MAX); if (ret) { mlog_errno(ret); diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index eb760d8..30544ce 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -2153,11 +2153,9 @@ int ocfs2_empty_dir(struct inode *inode) { int ret; struct ocfs2_empty_dir_priv priv = { - .ctx.actor = ocfs2_empty_dir_filldir + .ctx.actor = ocfs2_empty_dir_filldir, }; - memset(&priv, 0, sizeof(priv)); - if (ocfs2_dir_indexed(inode)) { ret = ocfs2_empty_dir_dx(inode, &priv); if (ret) diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 41000f2..3261d71 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -370,7 +370,7 @@ static int ocfs2_cow_file_pos(struct inode *inode, if (!(ext_flags & OCFS2_EXT_REFCOUNTED)) goto out; - return ocfs2_refcount_cow(inode, NULL, fe_bh, cpos, 1, cpos+1); + return ocfs2_refcount_cow(inode, fe_bh, cpos, 1, cpos+1); out: return status; @@ -899,7 +899,7 @@ static int ocfs2_zero_extend_get_range(struct inode *inode, zero_clusters = last_cpos - zero_cpos; if (needs_cow) { - rc = ocfs2_refcount_cow(inode, NULL, di_bh, zero_cpos, + rc = ocfs2_refcount_cow(inode, di_bh, zero_cpos, zero_clusters, UINT_MAX); if (rc) { mlog_errno(rc); @@ -2078,7 +2078,7 @@ static int ocfs2_prepare_inode_for_refcount(struct inode *inode, *meta_level = 1; - ret = ocfs2_refcount_cow(inode, file, di_bh, cpos, clusters, UINT_MAX); + ret = ocfs2_refcount_cow(inode, di_bh, cpos, clusters, UINT_MAX); if (ret) mlog_errno(ret); out: diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 96f9ac2..0a99273 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -537,7 +537,7 @@ static inline int ocfs2_calc_extend_credits(struct super_block *sb, extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth); return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks + - ocfs2_quota_trans_credits(sb) + bits_wanted; + ocfs2_quota_trans_credits(sb); } static inline int ocfs2_calc_symlink_credits(struct super_block *sb) diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index f1fc172..452068b 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c @@ -69,7 +69,7 @@ static int __ocfs2_move_extent(handle_t *handle, u64 ino = ocfs2_metadata_cache_owner(context->et.et_ci); u64 old_blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cpos); - ret = ocfs2_duplicate_clusters_by_page(handle, context->file, cpos, + ret = ocfs2_duplicate_clusters_by_page(handle, inode, cpos, p_cpos, new_p_cpos, len); if (ret) { mlog_errno(ret); diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 998b17e..a70d604 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -49,7 +49,6 @@ struct ocfs2_cow_context { struct inode *inode; - struct file *file; u32 cow_start; u32 cow_len; struct ocfs2_extent_tree data_et; @@ -66,7 +65,7 @@ struct ocfs2_cow_context { u32 *num_clusters, unsigned int *extent_flags); int (*cow_duplicate_clusters)(handle_t *handle, - struct file *file, + struct inode *inode, u32 cpos, u32 old_cluster, u32 new_cluster, u32 new_len); }; @@ -2922,14 +2921,12 @@ static int ocfs2_clear_cow_buffer(handle_t *handle, struct buffer_head *bh) } int ocfs2_duplicate_clusters_by_page(handle_t *handle, - struct file *file, + struct inode *inode, u32 cpos, u32 old_cluster, u32 new_cluster, u32 new_len) { int ret = 0, partial; - struct inode *inode = file_inode(file); - struct ocfs2_caching_info *ci = INODE_CACHE(inode); - struct super_block *sb = ocfs2_metadata_cache_get_super(ci); + struct super_block *sb = inode->i_sb; u64 new_block = ocfs2_clusters_to_blocks(sb, new_cluster); struct page *page; pgoff_t page_index; @@ -2965,6 +2962,11 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle, to = map_end & (PAGE_CACHE_SIZE - 1); page = find_or_create_page(mapping, page_index, GFP_NOFS); + if (!page) { + ret = -ENOMEM; + mlog_errno(ret); + break; + } /* * In case PAGE_CACHE_SIZE <= CLUSTER_SIZE, This page @@ -2973,13 +2975,6 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle, if (PAGE_CACHE_SIZE <= OCFS2_SB(sb)->s_clustersize) BUG_ON(PageDirty(page)); - if (PageReadahead(page)) { - page_cache_async_readahead(mapping, - &file->f_ra, file, - page, page_index, - readahead_pages); - } - if (!PageUptodate(page)) { ret = block_read_full_page(page, ocfs2_get_block); if (ret) { @@ -2999,7 +2994,8 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle, } } - ocfs2_map_and_dirty_page(inode, handle, from, to, + ocfs2_map_and_dirty_page(inode, + handle, from, to, page, 0, &new_block); mark_page_accessed(page); unlock: @@ -3015,12 +3011,11 @@ unlock: } int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, - struct file *file, + struct inode *inode, u32 cpos, u32 old_cluster, u32 new_cluster, u32 new_len) { int ret = 0; - struct inode *inode = file_inode(file); struct super_block *sb = inode->i_sb; struct ocfs2_caching_info *ci = INODE_CACHE(inode); int i, blocks = ocfs2_clusters_to_blocks(sb, new_len); @@ -3145,7 +3140,7 @@ static int ocfs2_replace_clusters(handle_t *handle, /*If the old clusters is unwritten, no need to duplicate. */ if (!(ext_flags & OCFS2_EXT_UNWRITTEN)) { - ret = context->cow_duplicate_clusters(handle, context->file, + ret = context->cow_duplicate_clusters(handle, context->inode, cpos, old, new, len); if (ret) { mlog_errno(ret); @@ -3423,35 +3418,12 @@ static int ocfs2_replace_cow(struct ocfs2_cow_context *context) return ret; } -static void ocfs2_readahead_for_cow(struct inode *inode, - struct file *file, - u32 start, u32 len) -{ - struct address_space *mapping; - pgoff_t index; - unsigned long num_pages; - int cs_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits; - - if (!file) - return; - - mapping = file->f_mapping; - num_pages = (len << cs_bits) >> PAGE_CACHE_SHIFT; - if (!num_pages) - num_pages = 1; - - index = ((loff_t)start << cs_bits) >> PAGE_CACHE_SHIFT; - page_cache_sync_readahead(mapping, &file->f_ra, file, - index, num_pages); -} - /* * Starting at cpos, try to CoW write_len clusters. Don't CoW * past max_cpos. This will stop when it runs into a hole or an * unrefcounted extent. */ static int ocfs2_refcount_cow_hunk(struct inode *inode, - struct file *file, struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos) { @@ -3480,8 +3452,6 @@ static int ocfs2_refcount_cow_hunk(struct inode *inode, BUG_ON(cow_len == 0); - ocfs2_readahead_for_cow(inode, file, cow_start, cow_len); - context = kzalloc(sizeof(struct ocfs2_cow_context), GFP_NOFS); if (!context) { ret = -ENOMEM; @@ -3503,7 +3473,6 @@ static int ocfs2_refcount_cow_hunk(struct inode *inode, context->ref_root_bh = ref_root_bh; context->cow_duplicate_clusters = ocfs2_duplicate_clusters_by_page; context->get_clusters = ocfs2_di_get_clusters; - context->file = file; ocfs2_init_dinode_extent_tree(&context->data_et, INODE_CACHE(inode), di_bh); @@ -3532,7 +3501,6 @@ out: * clusters between cpos and cpos+write_len are safe to modify. */ int ocfs2_refcount_cow(struct inode *inode, - struct file *file, struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos) { @@ -3552,7 +3520,7 @@ int ocfs2_refcount_cow(struct inode *inode, num_clusters = write_len; if (ext_flags & OCFS2_EXT_REFCOUNTED) { - ret = ocfs2_refcount_cow_hunk(inode, file, di_bh, cpos, + ret = ocfs2_refcount_cow_hunk(inode, di_bh, cpos, num_clusters, max_cpos); if (ret) { mlog_errno(ret); diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h index 7754608..6422bbc 100644 --- a/fs/ocfs2/refcounttree.h +++ b/fs/ocfs2/refcounttree.h @@ -53,7 +53,7 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode, int *credits, int *ref_blocks); int ocfs2_refcount_cow(struct inode *inode, - struct file *filep, struct buffer_head *di_bh, + struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos); typedef int (ocfs2_post_refcount_func)(struct inode *inode, @@ -85,11 +85,11 @@ int ocfs2_refcount_cow_xattr(struct inode *inode, u32 cpos, u32 write_len, struct ocfs2_post_refcount *post); int ocfs2_duplicate_clusters_by_page(handle_t *handle, - struct file *file, + struct inode *inode, u32 cpos, u32 old_cluster, u32 new_cluster, u32 new_len); int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, - struct file *file, + struct inode *inode, u32 cpos, u32 old_cluster, u32 new_cluster, u32 new_len); int ocfs2_cow_sync_writeback(struct super_block *sb, @@ -823,7 +823,7 @@ static inline int build_open_flags(int flags, umode_t mode, struct open_flags *o int lookup_flags = 0; int acc_mode; - if (flags & O_CREAT) + if (flags & (O_CREAT | __O_TMPFILE)) op->mode = (mode & S_IALLUGO) | S_IFREG; else op->mode = 0; diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index dbf61f6..107d026 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -730,8 +730,16 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma, * of how soft-dirty works. */ pte_t ptent = *pte; - ptent = pte_wrprotect(ptent); - ptent = pte_clear_flags(ptent, _PAGE_SOFT_DIRTY); + + if (pte_present(ptent)) { + ptent = pte_wrprotect(ptent); + ptent = pte_clear_flags(ptent, _PAGE_SOFT_DIRTY); + } else if (is_swap_pte(ptent)) { + ptent = pte_swp_clear_soft_dirty(ptent); + } else if (pte_file(ptent)) { + ptent = pte_file_clear_soft_dirty(ptent); + } + set_pte_at(vma->vm_mm, addr, pte, ptent); #endif } @@ -752,14 +760,15 @@ static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr, pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); for (; addr != end; pte++, addr += PAGE_SIZE) { ptent = *pte; - if (!pte_present(ptent)) - continue; if (cp->type == CLEAR_REFS_SOFT_DIRTY) { clear_soft_dirty(vma, addr, pte); continue; } + if (!pte_present(ptent)) + continue; + page = vm_normal_page(vma, addr, ptent); if (!page) continue; @@ -859,7 +868,7 @@ typedef struct { } pagemap_entry_t; struct pagemapread { - int pos, len; + int pos, len; /* units: PM_ENTRY_BYTES, not bytes */ pagemap_entry_t *buffer; bool v2; }; @@ -867,7 +876,7 @@ struct pagemapread { #define PAGEMAP_WALK_SIZE (PMD_SIZE) #define PAGEMAP_WALK_MASK (PMD_MASK) -#define PM_ENTRY_BYTES sizeof(u64) +#define PM_ENTRY_BYTES sizeof(pagemap_entry_t) #define PM_STATUS_BITS 3 #define PM_STATUS_OFFSET (64 - PM_STATUS_BITS) #define PM_STATUS_MASK (((1LL << PM_STATUS_BITS) - 1) << PM_STATUS_OFFSET) @@ -930,8 +939,10 @@ static void pte_to_pagemap_entry(pagemap_entry_t *pme, struct pagemapread *pm, flags = PM_PRESENT; page = vm_normal_page(vma, addr, pte); } else if (is_swap_pte(pte)) { - swp_entry_t entry = pte_to_swp_entry(pte); - + swp_entry_t entry; + if (pte_swp_soft_dirty(pte)) + flags2 |= __PM_SOFT_DIRTY; + entry = pte_to_swp_entry(pte); frame = swp_type(entry) | (swp_offset(entry) << MAX_SWAPFILES_SHIFT); flags = PM_SWAP; @@ -1116,8 +1127,8 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, goto out_task; pm.v2 = soft_dirty_cleared; - pm.len = PM_ENTRY_BYTES * (PAGEMAP_WALK_SIZE >> PAGE_SHIFT); - pm.buffer = kmalloc(pm.len, GFP_TEMPORARY); + pm.len = (PAGEMAP_WALK_SIZE >> PAGE_SHIFT); + pm.buffer = kmalloc(pm.len * PM_ENTRY_BYTES, GFP_TEMPORARY); ret = -ENOMEM; if (!pm.buffer) goto out_task; diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c index 33532f7..a958444 100644 --- a/fs/reiserfs/procfs.c +++ b/fs/reiserfs/procfs.c @@ -19,12 +19,13 @@ /* * LOCKING: * - * We rely on new Alexander Viro's super-block locking. + * These guys are evicted from procfs as the very first step in ->kill_sb(). * */ -static int show_version(struct seq_file *m, struct super_block *sb) +static int show_version(struct seq_file *m, void *unused) { + struct super_block *sb = m->private; char *format; if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6)) { @@ -66,8 +67,9 @@ static int show_version(struct seq_file *m, struct super_block *sb) #define DJP( x ) le32_to_cpu( jp -> x ) #define JF( x ) ( r -> s_journal -> x ) -static int show_super(struct seq_file *m, struct super_block *sb) +static int show_super(struct seq_file *m, void *unused) { + struct super_block *sb = m->private; struct reiserfs_sb_info *r = REISERFS_SB(sb); seq_printf(m, "state: \t%s\n" @@ -128,8 +130,9 @@ static int show_super(struct seq_file *m, struct super_block *sb) return 0; } -static int show_per_level(struct seq_file *m, struct super_block *sb) +static int show_per_level(struct seq_file *m, void *unused) { + struct super_block *sb = m->private; struct reiserfs_sb_info *r = REISERFS_SB(sb); int level; @@ -186,8 +189,9 @@ static int show_per_level(struct seq_file *m, struct super_block *sb) return 0; } -static int show_bitmap(struct seq_file *m, struct super_block *sb) +static int show_bitmap(struct seq_file *m, void *unused) { + struct super_block *sb = m->private; struct reiserfs_sb_info *r = REISERFS_SB(sb); seq_printf(m, "free_block: %lu\n" @@ -218,8 +222,9 @@ static int show_bitmap(struct seq_file *m, struct super_block *sb) return 0; } -static int show_on_disk_super(struct seq_file *m, struct super_block *sb) +static int show_on_disk_super(struct seq_file *m, void *unused) { + struct super_block *sb = m->private; struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); struct reiserfs_super_block *rs = sb_info->s_rs; int hash_code = DFL(s_hash_function_code); @@ -261,8 +266,9 @@ static int show_on_disk_super(struct seq_file *m, struct super_block *sb) return 0; } -static int show_oidmap(struct seq_file *m, struct super_block *sb) +static int show_oidmap(struct seq_file *m, void *unused) { + struct super_block *sb = m->private; struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); struct reiserfs_super_block *rs = sb_info->s_rs; unsigned int mapsize = le16_to_cpu(rs->s_v1.s_oid_cursize); @@ -291,8 +297,9 @@ static int show_oidmap(struct seq_file *m, struct super_block *sb) return 0; } -static int show_journal(struct seq_file *m, struct super_block *sb) +static int show_journal(struct seq_file *m, void *unused) { + struct super_block *sb = m->private; struct reiserfs_sb_info *r = REISERFS_SB(sb); struct reiserfs_super_block *rs = r->s_rs; struct journal_params *jp = &rs->s_v1.s_journal; @@ -383,92 +390,24 @@ static int show_journal(struct seq_file *m, struct super_block *sb) return 0; } -/* iterator */ -static int test_sb(struct super_block *sb, void *data) -{ - return data == sb; -} - -static int set_sb(struct super_block *sb, void *data) -{ - return -ENOENT; -} - -struct reiserfs_seq_private { - struct super_block *sb; - int (*show) (struct seq_file *, struct super_block *); -}; - -static void *r_start(struct seq_file *m, loff_t * pos) -{ - struct reiserfs_seq_private *priv = m->private; - loff_t l = *pos; - - if (l) - return NULL; - - if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, 0, priv->sb))) - return NULL; - - up_write(&priv->sb->s_umount); - return priv->sb; -} - -static void *r_next(struct seq_file *m, void *v, loff_t * pos) -{ - ++*pos; - if (v) - deactivate_super(v); - return NULL; -} - -static void r_stop(struct seq_file *m, void *v) -{ - if (v) - deactivate_super(v); -} - -static int r_show(struct seq_file *m, void *v) -{ - struct reiserfs_seq_private *priv = m->private; - return priv->show(m, v); -} - -static const struct seq_operations r_ops = { - .start = r_start, - .next = r_next, - .stop = r_stop, - .show = r_show, -}; - static int r_open(struct inode *inode, struct file *file) { - struct reiserfs_seq_private *priv; - int ret = seq_open_private(file, &r_ops, - sizeof(struct reiserfs_seq_private)); - - if (!ret) { - struct seq_file *m = file->private_data; - priv = m->private; - priv->sb = proc_get_parent_data(inode); - priv->show = PDE_DATA(inode); - } - return ret; + return single_open(file, PDE_DATA(inode), + proc_get_parent_data(inode)); } static const struct file_operations r_file_operations = { .open = r_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release_private, - .owner = THIS_MODULE, + .release = single_release, }; static struct proc_dir_entry *proc_info_root = NULL; static const char proc_info_root_name[] = "fs/reiserfs"; static void add_file(struct super_block *sb, char *name, - int (*func) (struct seq_file *, struct super_block *)) + int (*func) (struct seq_file *, void *)) { proc_create_data(name, 0, REISERFS_SB(sb)->procdir, &r_file_operations, func); diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index f8a23c3..e2e202a 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -499,6 +499,7 @@ int remove_save_link(struct inode *inode, int truncate) static void reiserfs_kill_sb(struct super_block *s) { if (REISERFS_SB(s)) { + reiserfs_proc_info_done(s); /* * Force any pending inode evictions to occur now. Any * inodes to be removed that have extended attributes @@ -554,8 +555,6 @@ static void reiserfs_put_super(struct super_block *s) REISERFS_SB(s)->reserved_blocks); } - reiserfs_proc_info_done(s); - reiserfs_write_unlock(s); mutex_destroy(&REISERFS_SB(s)->lock); kfree(s->s_fs_info); diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 56e6b68..94383a7 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -274,15 +274,12 @@ struct acpi_device_wakeup { }; struct acpi_device_physical_node { - u8 node_id; + unsigned int node_id; struct list_head node; struct device *dev; bool put_online:1; }; -/* set maximum of physical nodes to 32 for expansibility */ -#define ACPI_MAX_PHYSICAL_NODE 32 - /* Device */ struct acpi_device { int device_type; @@ -302,10 +299,9 @@ struct acpi_device { struct acpi_driver *driver; void *driver_data; struct device dev; - u8 physical_node_count; + unsigned int physical_node_count; struct list_head physical_node_list; struct mutex physical_node_lock; - DECLARE_BITMAP(physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE); struct list_head power_dependent; void (*remove)(struct acpi_device *); }; @@ -445,7 +441,11 @@ struct acpi_pci_root { }; /* helper */ -acpi_handle acpi_get_child(acpi_handle, u64); +acpi_handle acpi_find_child(acpi_handle, u64, bool); +static inline acpi_handle acpi_get_child(acpi_handle handle, u64 addr) +{ + return acpi_find_child(handle, addr, false); +} int acpi_is_root_bridge(acpi_handle); struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)ACPI_HANDLE(dev)) diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 2f47ade..0807ddf 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -417,6 +417,36 @@ static inline pmd_t pmd_mksoft_dirty(pmd_t pmd) { return pmd; } + +static inline pte_t pte_swp_mksoft_dirty(pte_t pte) +{ + return pte; +} + +static inline int pte_swp_soft_dirty(pte_t pte) +{ + return 0; +} + +static inline pte_t pte_swp_clear_soft_dirty(pte_t pte) +{ + return pte; +} + +static inline pte_t pte_file_clear_soft_dirty(pte_t pte) +{ + return pte; +} + +static inline pte_t pte_file_mksoft_dirty(pte_t pte) +{ + return pte; +} + +static inline int pte_file_soft_dirty(pte_t pte) +{ + return 0; +} #endif #ifndef __HAVE_PFNMAP_TRACKING diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index 13821c3..5672d7e 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -112,7 +112,7 @@ struct mmu_gather { #define HAVE_GENERIC_MMU_GATHER -void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm); +void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end); void tlb_flush_mmu(struct mmu_gather *tlb); void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end); diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h index f5e1168..d639049 100644 --- a/include/drm/drm_fixed.h +++ b/include/drm/drm_fixed.h @@ -84,12 +84,12 @@ static inline int drm_fixp2int(int64_t a) return ((s64)a) >> DRM_FIXED_POINT; } -static inline s64 drm_fixp_msbset(int64_t a) +static inline unsigned drm_fixp_msbset(int64_t a) { unsigned shift, sign = (a >> 63) & 1; for (shift = 62; shift > 0; --shift) - if ((a >> shift) != sign) + if (((a >> shift) & 1) != sign) return shift; return 0; @@ -100,9 +100,9 @@ static inline s64 drm_fixp_mul(s64 a, s64 b) unsigned shift = drm_fixp_msbset(a) + drm_fixp_msbset(b); s64 result; - if (shift > 63) { - shift = shift - 63; - a >>= shift >> 1; + if (shift > 61) { + shift = shift - 61; + a >>= (shift >> 1) + (shift & 1); b >>= shift >> 1; } else shift = 0; @@ -120,7 +120,7 @@ static inline s64 drm_fixp_mul(s64 a, s64 b) static inline s64 drm_fixp_div(s64 a, s64 b) { - unsigned shift = 63 - drm_fixp_msbset(a); + unsigned shift = 62 - drm_fixp_msbset(a); s64 result; a <<= shift; @@ -154,7 +154,7 @@ static inline s64 drm_fixp_exp(s64 x) } if (x < 0) - sum = drm_fixp_div(1, sum); + sum = drm_fixp_div(DRM_FIXED_ONE, sum); return sum; } diff --git a/include/linux/firewire.h b/include/linux/firewire.h index 3b0e820..5d7782e 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -436,6 +436,7 @@ struct fw_iso_context { int type; int channel; int speed; + bool drop_overflow_headers; size_t header_size; union { fw_iso_callback_t sc; diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 4372658..120d57a 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -78,6 +78,11 @@ struct trace_iterator { /* trace_seq for __print_flags() and __print_symbolic() etc. */ struct trace_seq tmp_seq; + cpumask_var_t started; + + /* it's true when current open file is snapshot */ + bool snapshot; + /* The below is zeroed out in pipe_read */ struct trace_seq seq; struct trace_entry *ent; @@ -90,10 +95,7 @@ struct trace_iterator { loff_t pos; long idx; - cpumask_var_t started; - - /* it's true when current open file is snapshot */ - bool snapshot; + /* All new field here will be zeroed out in pipe_read */ }; enum trace_iter_flags { @@ -332,7 +334,7 @@ extern int trace_define_field(struct ftrace_event_call *call, const char *type, const char *name, int offset, int size, int is_signed, int filter_type); extern int trace_add_event_call(struct ftrace_event_call *call); -extern void trace_remove_event_call(struct ftrace_event_call *call); +extern int trace_remove_event_call(struct ftrace_event_call *call); #define is_signed_type(type) (((type)(-1)) < (type)1) diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h index 3869c52..369cf2c 100644 --- a/include/linux/iio/trigger.h +++ b/include/linux/iio/trigger.h @@ -8,6 +8,7 @@ */ #include <linux/irq.h> #include <linux/module.h> +#include <linux/atomic.h> #ifndef _IIO_TRIGGER_H_ #define _IIO_TRIGGER_H_ @@ -61,7 +62,7 @@ struct iio_trigger { struct list_head list; struct list_head alloc_list; - int use_count; + atomic_t use_count; struct irq_chip subirq_chip; int subirq_base; diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 3bef14c..482ad2d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -629,7 +629,7 @@ extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode); static inline void tracing_start(void) { } static inline void tracing_stop(void) { } static inline void ftrace_off_permanent(void) { } -static inline void trace_dump_stack(void) { } +static inline void trace_dump_stack(int skip) { } static inline void tracing_on(void) { } static inline void tracing_off(void) { } diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h index 8d73fe2..db1791b 100644 --- a/include/linux/mfd/ti_am335x_tscadc.h +++ b/include/linux/mfd/ti_am335x_tscadc.h @@ -113,11 +113,27 @@ #define CNTRLREG_8WIRE CNTRLREG_AFE_CTRL(3) #define CNTRLREG_TSCENB BIT(7) +/* FIFO READ Register */ +#define FIFOREAD_DATA_MASK (0xfff << 0) +#define FIFOREAD_CHNLID_MASK (0xf << 16) + +/* Sequencer Status */ +#define SEQ_STATUS BIT(5) + #define ADC_CLK 3000000 #define MAX_CLK_DIV 7 #define TOTAL_STEPS 16 #define TOTAL_CHANNELS 8 +/* +* ADC runs at 3MHz, and it takes +* 15 cycles to latch one data output. +* Hence the idle time for ADC to +* process one sample data would be +* around 5 micro seconds. +*/ +#define IDLE_TIMEOUT 5 /* microsec */ + #define TSCADC_CELLS 2 struct ti_tscadc_dev { diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 8de8d8f..68029b3 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -309,21 +309,20 @@ struct mlx5_hca_cap { __be16 max_desc_sz_rq; u8 rsvd21[2]; __be16 max_desc_sz_sq_dc; - u8 rsvd22[4]; - __be16 max_qp_mcg; - u8 rsvd23; + __be32 max_qp_mcg; + u8 rsvd22[3]; u8 log_max_mcg; - u8 rsvd24; + u8 rsvd23; u8 log_max_pd; - u8 rsvd25; + u8 rsvd24; u8 log_max_xrcd; - u8 rsvd26[42]; + u8 rsvd25[42]; __be16 log_uar_page_sz; - u8 rsvd27[28]; + u8 rsvd26[28]; u8 log_msx_atomic_size_qp; - u8 rsvd28[2]; + u8 rsvd27[2]; u8 log_msx_atomic_size_dc; - u8 rsvd29[76]; + u8 rsvd28[76]; }; @@ -472,9 +471,8 @@ struct mlx5_eqe_cmd { struct mlx5_eqe_page_req { u8 rsvd0[2]; __be16 func_id; - u8 rsvd1[2]; - __be16 num_pages; - __be32 rsvd2[5]; + __be32 num_pages; + __be32 rsvd1[5]; }; union ev_data { @@ -690,6 +688,26 @@ struct mlx5_query_cq_mbox_out { __be64 pas[0]; }; +struct mlx5_enable_hca_mbox_in { + struct mlx5_inbox_hdr hdr; + u8 rsvd[8]; +}; + +struct mlx5_enable_hca_mbox_out { + struct mlx5_outbox_hdr hdr; + u8 rsvd[8]; +}; + +struct mlx5_disable_hca_mbox_in { + struct mlx5_inbox_hdr hdr; + u8 rsvd[8]; +}; + +struct mlx5_disable_hca_mbox_out { + struct mlx5_outbox_hdr hdr; + u8 rsvd[8]; +}; + struct mlx5_eq_context { u8 status; u8 ec_oi; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index f22e441..8888381 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -101,6 +101,8 @@ enum { MLX5_CMD_OP_QUERY_ADAPTER = 0x101, MLX5_CMD_OP_INIT_HCA = 0x102, MLX5_CMD_OP_TEARDOWN_HCA = 0x103, + MLX5_CMD_OP_ENABLE_HCA = 0x104, + MLX5_CMD_OP_DISABLE_HCA = 0x105, MLX5_CMD_OP_QUERY_PAGES = 0x107, MLX5_CMD_OP_MANAGE_PAGES = 0x108, MLX5_CMD_OP_SET_HCA_CAP = 0x109, @@ -356,7 +358,7 @@ struct mlx5_caps { u32 reserved_lkey; u8 local_ca_ack_delay; u8 log_max_mcg; - u16 max_qp_mcg; + u32 max_qp_mcg; int min_page_sz; }; @@ -689,8 +691,8 @@ void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev); int mlx5_pagealloc_start(struct mlx5_core_dev *dev); void mlx5_pagealloc_stop(struct mlx5_core_dev *dev); void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, - s16 npages); -int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev); + s32 npages); +int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot); int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev); void mlx5_register_debugfs(void); void mlx5_unregister_debugfs(void); @@ -729,9 +731,6 @@ void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev); int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db); void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db); -typedef void (*health_handler_t)(struct pci_dev *pdev, struct health_buffer __iomem *buf, int size); -int mlx5_register_health_report_handler(health_handler_t handler); -void mlx5_unregister_health_report_handler(void); const char *mlx5_command_str(int command); int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev); void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev); diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index b62d4af..45e9214 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -361,7 +361,8 @@ struct ssb_device_id { __u16 vendor; __u16 coreid; __u8 revision; -}; + __u8 __pad; +} __attribute__((packed, aligned(2))); #define SSB_DEVICE(_vendor, _coreid, _revision) \ { .vendor = _vendor, .coreid = _coreid, .revision = _revision, } #define SSB_DEVTABLE_END \ @@ -377,7 +378,7 @@ struct bcma_device_id { __u16 id; __u8 rev; __u8 class; -}; +} __attribute__((packed,aligned(2))); #define BCMA_CORE(_manuf, _id, _rev, _class) \ { .manuf = _manuf, .id = _id, .rev = _rev, .class = _class, } #define BCMA_CORETABLE_END \ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 0741a1e..9a41568 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -973,7 +973,7 @@ struct net_device_ops { gfp_t gfp); void (*ndo_netpoll_cleanup)(struct net_device *dev); #endif -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL int (*ndo_busy_poll)(struct napi_struct *dev); #endif int (*ndo_set_vf_mac)(struct net_device *dev, diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 75981d0..580a532 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -15,6 +15,7 @@ #include <linux/list.h> #include <linux/rbtree.h> +#include <linux/err.h> struct module; struct device; diff --git a/include/linux/sched.h b/include/linux/sched.h index 50d04b9..e9995eb 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -314,6 +314,7 @@ struct nsproxy; struct user_namespace; #ifdef CONFIG_MMU +extern unsigned long mmap_legacy_base(void); extern void arch_pick_mmap_layout(struct mm_struct *mm); extern unsigned long arch_get_unmapped_area(struct file *, unsigned long, unsigned long, @@ -1532,6 +1533,8 @@ static inline pid_t task_pgrp_nr(struct task_struct *tsk) * Test if a process is not yet dead (at most zombie state) * If pid_alive fails, then pointers within the task structure * can be stale and must not be dereferenced. + * + * Return: 1 if the process is alive. 0 otherwise. */ static inline int pid_alive(struct task_struct *p) { @@ -1543,6 +1546,8 @@ static inline int pid_alive(struct task_struct *p) * @tsk: Task structure to be checked. * * Check if a task structure is the first user space task the kernel created. + * + * Return: 1 if the task structure is init. 0 otherwise. */ static inline int is_global_init(struct task_struct *tsk) { @@ -1628,6 +1633,7 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, #define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */ #define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */ #define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezable */ +#define PF_SUSPEND_TASK 0x80000000 /* this thread called freeze_processes and should not be frozen */ /* * Only the _current_ task can read/write to tsk->flags, but other @@ -1893,6 +1899,8 @@ extern struct task_struct *idle_task(int cpu); /** * is_idle_task - is the specified task an idle task? * @p: the task in question. + * + * Return: 1 if @p is an idle task. 0 otherwise. */ static inline bool is_idle_task(const struct task_struct *p) { diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 5afefa0..3b71a4e 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -501,7 +501,7 @@ struct sk_buff { /* 7/9 bit hole (depending on ndisc_nodetype presence) */ kmemcheck_bitfield_end(flags2); -#if defined CONFIG_NET_DMA || defined CONFIG_NET_LL_RX_POLL +#if defined CONFIG_NET_DMA || defined CONFIG_NET_RX_BUSY_POLL union { unsigned int napi_id; dma_cookie_t dma_cookie; diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 7d537ce..75f3494 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -117,9 +117,17 @@ do { \ #endif /*arch_spin_is_contended*/ #endif -/* The lock does not imply full memory barrier. */ -#ifndef ARCH_HAS_SMP_MB_AFTER_LOCK -static inline void smp_mb__after_lock(void) { smp_mb(); } +/* + * Despite its name it doesn't necessarily has to be a full barrier. + * It should only guarantee that a STORE before the critical section + * can not be reordered with a LOAD inside this section. + * spin_lock() is the one-way barrier, this LOAD can not escape out + * of the region. So the default implementation simply ensures that + * a STORE can not move into the critical section, smp_wmb() should + * serialize it with another STORE done by spin_lock(). + */ +#ifndef smp_mb__before_spinlock +#define smp_mb__before_spinlock() smp_wmb() #endif /** diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 6d87035..1821445 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -121,6 +121,7 @@ struct rpc_task_setup { #define RPC_TASK_SOFTCONN 0x0400 /* Fail if can't connect */ #define RPC_TASK_SENT 0x0800 /* message was sent */ #define RPC_TASK_TIMEOUT 0x1000 /* fail with ETIMEDOUT on timeout */ +#define RPC_TASK_NOCONNECT 0x2000 /* return ENOTCONN if not connected */ #define RPC_IS_ASYNC(t) ((t)->tk_flags & RPC_TASK_ASYNC) #define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER) diff --git a/include/linux/swapops.h b/include/linux/swapops.h index c5fd30d..8d4fa82 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -67,6 +67,8 @@ static inline swp_entry_t pte_to_swp_entry(pte_t pte) swp_entry_t arch_entry; BUG_ON(pte_file(pte)); + if (pte_swp_soft_dirty(pte)) + pte = pte_swp_clear_soft_dirty(pte); arch_entry = __pte_to_swp_entry(pte); return swp_entry(__swp_type(arch_entry), __swp_offset(arch_entry)); } diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 4147d70..84662ec 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -802,9 +802,14 @@ asmlinkage long sys_vfork(void); asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, int, int __user *); #else +#ifdef CONFIG_CLONE_BACKWARDS3 +asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *, + int __user *, int); +#else asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, int __user *, int); #endif +#endif asmlinkage long sys_execve(const char __user *filename, const char __user *const __user *argv, diff --git a/include/linux/tick.h b/include/linux/tick.h index 9180f4b..62bd8b7 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -174,10 +174,4 @@ static inline void tick_nohz_task_switch(struct task_struct *tsk) { } #endif -# ifdef CONFIG_CPU_IDLE_GOV_MENU -extern void menu_hrtimer_cancel(void); -# else -static inline void menu_hrtimer_cancel(void) {} -# endif /* CONFIG_CPU_IDLE_GOV_MENU */ - #endif diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h index b6b215f..14105c2 100644 --- a/include/linux/user_namespace.h +++ b/include/linux/user_namespace.h @@ -23,6 +23,7 @@ struct user_namespace { struct uid_gid_map projid_map; atomic_t count; struct user_namespace *parent; + int level; kuid_t owner; kgid_t group; unsigned int proc_inum; diff --git a/include/linux/vmpressure.h b/include/linux/vmpressure.h index 76be077..7dc17e2 100644 --- a/include/linux/vmpressure.h +++ b/include/linux/vmpressure.h @@ -12,7 +12,7 @@ struct vmpressure { unsigned long scanned; unsigned long reclaimed; /* The lock is used to keep the scanned/reclaimed above in sync. */ - struct mutex sr_lock; + struct spinlock sr_lock; /* The list of vmpressure_event structs. */ struct list_head events; @@ -30,6 +30,7 @@ extern void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, extern void vmpressure_prio(gfp_t gfp, struct mem_cgroup *memcg, int prio); extern void vmpressure_init(struct vmpressure *vmpr); +extern void vmpressure_cleanup(struct vmpressure *vmpr); extern struct vmpressure *memcg_to_vmpressure(struct mem_cgroup *memcg); extern struct cgroup_subsys_state *vmpressure_to_css(struct vmpressure *vmpr); extern struct vmpressure *css_to_vmpressure(struct cgroup_subsys_state *css); diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index 7343a27..47ada23 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -22,6 +22,7 @@ #define _V4L2_CTRLS_H #include <linux/list.h> +#include <linux/mutex.h> #include <linux/videodev2.h> /* forward references */ diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index a14339c..8a358a2 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -27,7 +27,7 @@ #include <linux/netdevice.h> #include <net/ip.h> -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL struct napi_struct; extern unsigned int sysctl_net_busy_read __read_mostly; @@ -122,7 +122,7 @@ static inline bool sk_busy_loop(struct sock *sk, int nonblock) if (rc > 0) /* local bh are disabled so it is ok to use _BH */ NET_ADD_STATS_BH(sock_net(sk), - LINUX_MIB_LOWLATENCYRXPACKETS, rc); + LINUX_MIB_BUSYPOLLRXPACKETS, rc); } while (!nonblock && skb_queue_empty(&sk->sk_receive_queue) && !need_resched() && !busy_loop_timeout(end_time)); @@ -146,7 +146,7 @@ static inline void sk_mark_napi_id(struct sock *sk, struct sk_buff *skb) sk->sk_napi_id = skb->napi_id; } -#else /* CONFIG_NET_LL_RX_POLL */ +#else /* CONFIG_NET_RX_BUSY_POLL */ static inline unsigned long net_busy_loop_on(void) { return 0; @@ -162,11 +162,6 @@ static inline bool sk_can_busy_loop(struct sock *sk) return false; } -static inline bool sk_busy_poll(struct sock *sk, int nonblock) -{ - return false; -} - static inline void skb_mark_napi_id(struct sk_buff *skb, struct napi_struct *napi) { @@ -181,5 +176,10 @@ static inline bool busy_loop_timeout(unsigned long end_time) return true; } -#endif /* CONFIG_NET_LL_RX_POLL */ +static inline bool sk_busy_loop(struct sock *sk, int nonblock) +{ + return false; +} + +#endif /* CONFIG_NET_RX_BUSY_POLL */ #endif /* _LINUX_NET_BUSY_POLL_H */ diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 2a601e7..48ec25a 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -300,7 +300,7 @@ extern void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info); extern void fib6_run_gc(unsigned long expires, - struct net *net); + struct net *net, bool force); extern void fib6_gc_cleanup(void); diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 781b3cf..a354db5 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -145,20 +145,6 @@ static inline u8 ip_tunnel_ecn_encap(u8 tos, const struct iphdr *iph, return INET_ECN_encapsulate(tos, inner); } -static inline void tunnel_ip_select_ident(struct sk_buff *skb, - const struct iphdr *old_iph, - struct dst_entry *dst) -{ - struct iphdr *iph = ip_hdr(skb); - - /* Use inner packet iph-id if possible. */ - if (skb->protocol == htons(ETH_P_IP) && old_iph->id) - iph->id = old_iph->id; - else - __ip_select_ident(iph, dst, - (skb_shinfo(skb)->gso_segs ?: 1) - 1); -} - int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto); int iptunnel_xmit(struct net *net, struct rtable *rt, struct sk_buff *skb, diff --git a/include/net/ndisc.h b/include/net/ndisc.h index 949d775..6fea323 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -119,7 +119,7 @@ extern struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len, * if RFC 3831 IPv6-over-Fibre Channel is ever implemented it may * also need a pad of 2. */ -static int ndisc_addr_option_pad(unsigned short type) +static inline int ndisc_addr_option_pad(unsigned short type) { switch (type) { case ARPHRD_INFINIBAND: return 2; diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h index 0af851c..b64b7bc 100644 --- a/include/net/nfc/hci.h +++ b/include/net/nfc/hci.h @@ -59,7 +59,7 @@ struct nfc_hci_ops { struct nfc_target *target); int (*event_received)(struct nfc_hci_dev *hdev, u8 gate, u8 event, struct sk_buff *skb); - int (*fw_upload)(struct nfc_hci_dev *hdev, const char *firmware_name); + int (*fw_download)(struct nfc_hci_dev *hdev, const char *firmware_name); int (*discover_se)(struct nfc_hci_dev *dev); int (*enable_se)(struct nfc_hci_dev *dev, u32 se_idx); int (*disable_se)(struct nfc_hci_dev *dev, u32 se_idx); diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index 0e353f1..5f286b7 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -68,7 +68,7 @@ struct nfc_ops { void *cb_context); int (*tm_send)(struct nfc_dev *dev, struct sk_buff *skb); int (*check_presence)(struct nfc_dev *dev, struct nfc_target *target); - int (*fw_upload)(struct nfc_dev *dev, const char *firmware_name); + int (*fw_download)(struct nfc_dev *dev, const char *firmware_name); /* Secure Element API */ int (*discover_se)(struct nfc_dev *dev); @@ -127,7 +127,7 @@ struct nfc_dev { int targets_generation; struct device dev; bool dev_up; - bool fw_upload_in_progress; + bool fw_download_in_progress; u8 rf_mode; bool polling; struct nfc_target *active_target; diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 6eab6336..e5ae0c5 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -683,13 +683,19 @@ struct psched_ratecfg { u64 rate_bytes_ps; /* bytes per second */ u32 mult; u16 overhead; + u8 linklayer; u8 shift; }; static inline u64 psched_l2t_ns(const struct psched_ratecfg *r, unsigned int len) { - return ((u64)(len + r->overhead) * r->mult) >> r->shift; + len += r->overhead; + + if (unlikely(r->linklayer == TC_LINKLAYER_ATM)) + return ((u64)(DIV_ROUND_UP(len,48)*53) * r->mult) >> r->shift; + + return ((u64)len * r->mult) >> r->shift; } extern void psched_ratecfg_precompute(struct psched_ratecfg *r, const struct tc_ratespec *conf); @@ -700,6 +706,7 @@ static inline void psched_ratecfg_getrate(struct tc_ratespec *res, memset(res, 0, sizeof(*res)); res->rate = r->rate_bytes_ps; res->overhead = r->overhead; + res->linklayer = (r->linklayer & TC_LINKLAYER_MASK); } #endif diff --git a/include/net/sock.h b/include/net/sock.h index 95a5a2c..31d5cfb 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -327,7 +327,7 @@ struct sock { #ifdef CONFIG_RPS __u32 sk_rxhash; #endif -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned int sk_napi_id; unsigned int sk_ll_usec; #endif diff --git a/include/uapi/linux/firewire-cdev.h b/include/uapi/linux/firewire-cdev.h index d500369..1db453e 100644 --- a/include/uapi/linux/firewire-cdev.h +++ b/include/uapi/linux/firewire-cdev.h @@ -215,8 +215,8 @@ struct fw_cdev_event_request2 { * with the %FW_CDEV_ISO_INTERRUPT bit set, when explicitly requested with * %FW_CDEV_IOC_FLUSH_ISO, or when there have been so many completed packets * without the interrupt bit set that the kernel's internal buffer for @header - * is about to overflow. (In the last case, kernels with ABI version < 5 drop - * header data up to the next interrupt packet.) + * is about to overflow. (In the last case, ABI versions < 5 drop header data + * up to the next interrupt packet.) * * Isochronous transmit events (context type %FW_CDEV_ISO_CONTEXT_TRANSMIT): * diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h index caed0f3..8137dd8 100644 --- a/include/uapi/linux/nfc.h +++ b/include/uapi/linux/nfc.h @@ -69,8 +69,8 @@ * starting a poll from a device which has a secure element enabled means * we want to do SE based card emulation. * @NFC_CMD_DISABLE_SE: Disable the physical link to a specific secure element. - * @NFC_CMD_FW_UPLOAD: Request to Load/flash firmware, or event to inform that - * some firmware was loaded + * @NFC_CMD_FW_DOWNLOAD: Request to Load/flash firmware, or event to inform + * that some firmware was loaded */ enum nfc_commands { NFC_CMD_UNSPEC, @@ -94,7 +94,7 @@ enum nfc_commands { NFC_CMD_DISABLE_SE, NFC_CMD_LLC_SDREQ, NFC_EVENT_LLC_SDRES, - NFC_CMD_FW_UPLOAD, + NFC_CMD_FW_DOWNLOAD, NFC_EVENT_SE_ADDED, NFC_EVENT_SE_REMOVED, /* private: internal use only */ diff --git a/include/uapi/linux/pkt_sched.h b/include/uapi/linux/pkt_sched.h index dbd71b0..09d62b92 100644 --- a/include/uapi/linux/pkt_sched.h +++ b/include/uapi/linux/pkt_sched.h @@ -73,9 +73,17 @@ struct tc_estimator { #define TC_H_ROOT (0xFFFFFFFFU) #define TC_H_INGRESS (0xFFFFFFF1U) +/* Need to corrospond to iproute2 tc/tc_core.h "enum link_layer" */ +enum tc_link_layer { + TC_LINKLAYER_UNAWARE, /* Indicate unaware old iproute2 util */ + TC_LINKLAYER_ETHERNET, + TC_LINKLAYER_ATM, +}; +#define TC_LINKLAYER_MASK 0x0F /* limit use to lower 4 bits */ + struct tc_ratespec { unsigned char cell_log; - unsigned char __reserved; + __u8 linklayer; /* lower 4 bits */ unsigned short overhead; short cell_align; unsigned short mpu; diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h index af0a674..a1356d3 100644 --- a/include/uapi/linux/snmp.h +++ b/include/uapi/linux/snmp.h @@ -253,7 +253,7 @@ enum LINUX_MIB_TCPFASTOPENLISTENOVERFLOW, /* TCPFastOpenListenOverflow */ LINUX_MIB_TCPFASTOPENCOOKIEREQD, /* TCPFastOpenCookieReqd */ LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES, /* TCPSpuriousRtxHostQueues */ - LINUX_MIB_LOWLATENCYRXPACKETS, /* LowLatencyRxPackets */ + LINUX_MIB_BUSYPOLLRXPACKETS, /* BusyPollRxPackets */ __LINUX_MIB_MAX }; diff --git a/kernel/Makefile b/kernel/Makefile index 470839d..35ef118 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel. # -obj-y = fork.o exec_domain.o panic.o printk.o \ +obj-y = fork.o exec_domain.o panic.o \ cpu.o exit.o itimer.o time.o softirq.o resource.o \ sysctl.o sysctl_binary.o capability.o ptrace.o timer.o user.o \ signal.o sys.o kmod.o workqueue.o pid.o task_work.o \ @@ -24,6 +24,7 @@ endif obj-y += sched/ obj-y += power/ +obj-y += printk/ obj-y += cpu/ obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 789ec46..781845a 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -4335,8 +4335,10 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry, } err = percpu_ref_init(&css->refcnt, css_release); - if (err) + if (err) { + ss->css_free(cgrp); goto err_free_all; + } init_cgroup_css(css, ss, cgrp); diff --git a/kernel/cpuset.c b/kernel/cpuset.c index e565778..010a008 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1608,11 +1608,13 @@ static int cpuset_write_u64(struct cgroup *cgrp, struct cftype *cft, u64 val) { struct cpuset *cs = cgroup_cs(cgrp); cpuset_filetype_t type = cft->private; - int retval = -ENODEV; + int retval = 0; mutex_lock(&cpuset_mutex); - if (!is_cpuset_online(cs)) + if (!is_cpuset_online(cs)) { + retval = -ENODEV; goto out_unlock; + } switch (type) { case FILE_CPU_EXCLUSIVE: diff --git a/kernel/fork.c b/kernel/fork.c index 403d2bb..e23bb19 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1679,6 +1679,12 @@ SYSCALL_DEFINE5(clone, unsigned long, newsp, unsigned long, clone_flags, int __user *, parent_tidptr, int __user *, child_tidptr, int, tls_val) +#elif defined(CONFIG_CLONE_BACKWARDS3) +SYSCALL_DEFINE6(clone, unsigned long, clone_flags, unsigned long, newsp, + int, stack_size, + int __user *, parent_tidptr, + int __user *, child_tidptr, + int, tls_val) #else SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp, int __user *, parent_tidptr, diff --git a/kernel/freezer.c b/kernel/freezer.c index 8b2afc1..b462fa1 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -33,7 +33,7 @@ static DEFINE_SPINLOCK(freezer_lock); */ bool freezing_slow_path(struct task_struct *p) { - if (p->flags & PF_NOFREEZE) + if (p->flags & (PF_NOFREEZE | PF_SUSPEND_TASK)) return false; if (pm_nosig_freezing || cgroup_freezing(p)) diff --git a/kernel/mutex.c b/kernel/mutex.c index ff05f4b..a52ee7bb 100644 --- a/kernel/mutex.c +++ b/kernel/mutex.c @@ -686,7 +686,7 @@ __ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) might_sleep(); ret = __mutex_lock_common(&lock->base, TASK_UNINTERRUPTIBLE, 0, &ctx->dep_map, _RET_IP_, ctx); - if (!ret && ctx->acquired > 0) + if (!ret && ctx->acquired > 1) return ww_mutex_deadlock_injection(lock, ctx); return ret; @@ -702,7 +702,7 @@ __ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) ret = __mutex_lock_common(&lock->base, TASK_INTERRUPTIBLE, 0, &ctx->dep_map, _RET_IP_, ctx); - if (!ret && ctx->acquired > 0) + if (!ret && ctx->acquired > 1) return ww_mutex_deadlock_injection(lock, ctx); return ret; diff --git a/kernel/power/process.c b/kernel/power/process.c index fc0df84..06ec8869 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -109,6 +109,8 @@ static int try_to_freeze_tasks(bool user_only) /** * freeze_processes - Signal user space processes to enter the refrigerator. + * The current thread will not be frozen. The same process that calls + * freeze_processes must later call thaw_processes. * * On success, returns 0. On failure, -errno and system is fully thawed. */ @@ -120,6 +122,9 @@ int freeze_processes(void) if (error) return error; + /* Make sure this task doesn't get frozen */ + current->flags |= PF_SUSPEND_TASK; + if (!pm_freezing) atomic_inc(&system_freezing_cnt); @@ -168,6 +173,7 @@ int freeze_kernel_threads(void) void thaw_processes(void) { struct task_struct *g, *p; + struct task_struct *curr = current; if (pm_freezing) atomic_dec(&system_freezing_cnt); @@ -182,10 +188,15 @@ void thaw_processes(void) read_lock(&tasklist_lock); do_each_thread(g, p) { + /* No other threads should have PF_SUSPEND_TASK set */ + WARN_ON((p != curr) && (p->flags & PF_SUSPEND_TASK)); __thaw_task(p); } while_each_thread(g, p); read_unlock(&tasklist_lock); + WARN_ON(!(curr->flags & PF_SUSPEND_TASK)); + curr->flags &= ~PF_SUSPEND_TASK; + usermodehelper_enable(); schedule(); diff --git a/kernel/power/qos.c b/kernel/power/qos.c index 06fe285..a394297 100644 --- a/kernel/power/qos.c +++ b/kernel/power/qos.c @@ -296,6 +296,17 @@ int pm_qos_request_active(struct pm_qos_request *req) } EXPORT_SYMBOL_GPL(pm_qos_request_active); +static void __pm_qos_update_request(struct pm_qos_request *req, + s32 new_value) +{ + trace_pm_qos_update_request(req->pm_qos_class, new_value); + + if (new_value != req->node.prio) + pm_qos_update_target( + pm_qos_array[req->pm_qos_class]->constraints, + &req->node, PM_QOS_UPDATE_REQ, new_value); +} + /** * pm_qos_work_fn - the timeout handler of pm_qos_update_request_timeout * @work: work struct for the delayed work (timeout) @@ -308,7 +319,7 @@ static void pm_qos_work_fn(struct work_struct *work) struct pm_qos_request, work); - pm_qos_update_request(req, PM_QOS_DEFAULT_VALUE); + __pm_qos_update_request(req, PM_QOS_DEFAULT_VALUE); } /** @@ -364,12 +375,7 @@ void pm_qos_update_request(struct pm_qos_request *req, } cancel_delayed_work_sync(&req->work); - - trace_pm_qos_update_request(req->pm_qos_class, new_value); - if (new_value != req->node.prio) - pm_qos_update_target( - pm_qos_array[req->pm_qos_class]->constraints, - &req->node, PM_QOS_UPDATE_REQ, new_value); + __pm_qos_update_request(req, new_value); } EXPORT_SYMBOL_GPL(pm_qos_update_request); diff --git a/kernel/printk/Makefile b/kernel/printk/Makefile new file mode 100644 index 0000000..85405bd --- /dev/null +++ b/kernel/printk/Makefile @@ -0,0 +1,2 @@ +obj-y = printk.o +obj-$(CONFIG_A11Y_BRAILLE_CONSOLE) += braille.o diff --git a/kernel/printk/braille.c b/kernel/printk/braille.c new file mode 100644 index 0000000..276762f --- /dev/null +++ b/kernel/printk/braille.c @@ -0,0 +1,49 @@ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/console.h> +#include <linux/string.h> + +#include "console_cmdline.h" +#include "braille.h" + +char *_braille_console_setup(char **str, char **brl_options) +{ + if (!memcmp(*str, "brl,", 4)) { + *brl_options = ""; + *str += 4; + } else if (!memcmp(str, "brl=", 4)) { + *brl_options = *str + 4; + *str = strchr(*brl_options, ','); + if (!*str) + pr_err("need port name after brl=\n"); + else + *((*str)++) = 0; + } else + return NULL; + + return *str; +} + +int +_braille_register_console(struct console *console, struct console_cmdline *c) +{ + int rtn = 0; + + if (c->brl_options) { + console->flags |= CON_BRL; + rtn = braille_register_console(console, c->index, c->options, + c->brl_options); + } + + return rtn; +} + +int +_braille_unregister_console(struct console *console) +{ + if (console->flags & CON_BRL) + return braille_unregister_console(console); + + return 0; +} diff --git a/kernel/printk/braille.h b/kernel/printk/braille.h new file mode 100644 index 0000000..769d771 --- /dev/null +++ b/kernel/printk/braille.h @@ -0,0 +1,48 @@ +#ifndef _PRINTK_BRAILLE_H +#define _PRINTK_BRAILLE_H + +#ifdef CONFIG_A11Y_BRAILLE_CONSOLE + +static inline void +braille_set_options(struct console_cmdline *c, char *brl_options) +{ + c->brl_options = brl_options; +} + +char * +_braille_console_setup(char **str, char **brl_options); + +int +_braille_register_console(struct console *console, struct console_cmdline *c); + +int +_braille_unregister_console(struct console *console); + +#else + +static inline void +braille_set_options(struct console_cmdline *c, char *brl_options) +{ +} + +static inline char * +_braille_console_setup(char **str, char **brl_options) +{ + return NULL; +} + +static inline int +_braille_register_console(struct console *console, struct console_cmdline *c) +{ + return 0; +} + +static inline int +_braille_unregister_console(struct console *console) +{ + return 0; +} + +#endif + +#endif diff --git a/kernel/printk/console_cmdline.h b/kernel/printk/console_cmdline.h new file mode 100644 index 0000000..cbd69d8 --- /dev/null +++ b/kernel/printk/console_cmdline.h @@ -0,0 +1,14 @@ +#ifndef _CONSOLE_CMDLINE_H +#define _CONSOLE_CMDLINE_H + +struct console_cmdline +{ + char name[8]; /* Name of the driver */ + int index; /* Minor dev. to use */ + char *options; /* Options for the driver */ +#ifdef CONFIG_A11Y_BRAILLE_CONSOLE + char *brl_options; /* Options for braille driver */ +#endif +}; + +#endif diff --git a/kernel/printk.c b/kernel/printk/printk.c index 69b0890..5b5a708 100644 --- a/kernel/printk.c +++ b/kernel/printk/printk.c @@ -51,6 +51,9 @@ #define CREATE_TRACE_POINTS #include <trace/events/printk.h> +#include "console_cmdline.h" +#include "braille.h" + /* printk's without a loglevel use this.. */ #define DEFAULT_MESSAGE_LOGLEVEL CONFIG_DEFAULT_MESSAGE_LOGLEVEL @@ -105,19 +108,11 @@ static struct console *exclusive_console; /* * Array of consoles built from command line options (console=) */ -struct console_cmdline -{ - char name[8]; /* Name of the driver */ - int index; /* Minor dev. to use */ - char *options; /* Options for the driver */ -#ifdef CONFIG_A11Y_BRAILLE_CONSOLE - char *brl_options; /* Options for braille driver */ -#endif -}; #define MAX_CMDLINECONSOLES 8 static struct console_cmdline console_cmdline[MAX_CMDLINECONSOLES]; + static int selected_console = -1; static int preferred_console = -1; int console_set_on_cmdline; @@ -178,7 +173,7 @@ static int console_may_schedule; * 67 "g" * 0032 00 00 00 padding to next message header * - * The 'struct log' buffer header must never be directly exported to + * The 'struct printk_log' buffer header must never be directly exported to * userspace, it is a kernel-private implementation detail that might * need to be changed in the future, when the requirements change. * @@ -200,7 +195,7 @@ enum log_flags { LOG_CONT = 8, /* text is a fragment of a continuation line */ }; -struct log { +struct printk_log { u64 ts_nsec; /* timestamp in nanoseconds */ u16 len; /* length of entire record */ u16 text_len; /* length of text buffer */ @@ -248,7 +243,7 @@ static u32 clear_idx; #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) #define LOG_ALIGN 4 #else -#define LOG_ALIGN __alignof__(struct log) +#define LOG_ALIGN __alignof__(struct printk_log) #endif #define __LOG_BUF_LEN (1 << CONFIG_LOG_BUF_SHIFT) static char __log_buf[__LOG_BUF_LEN] __aligned(LOG_ALIGN); @@ -259,35 +254,35 @@ static u32 log_buf_len = __LOG_BUF_LEN; static volatile unsigned int logbuf_cpu = UINT_MAX; /* human readable text of the record */ -static char *log_text(const struct log *msg) +static char *log_text(const struct printk_log *msg) { - return (char *)msg + sizeof(struct log); + return (char *)msg + sizeof(struct printk_log); } /* optional key/value pair dictionary attached to the record */ -static char *log_dict(const struct log *msg) +static char *log_dict(const struct printk_log *msg) { - return (char *)msg + sizeof(struct log) + msg->text_len; + return (char *)msg + sizeof(struct printk_log) + msg->text_len; } /* get record by index; idx must point to valid msg */ -static struct log *log_from_idx(u32 idx) +static struct printk_log *log_from_idx(u32 idx) { - struct log *msg = (struct log *)(log_buf + idx); + struct printk_log *msg = (struct printk_log *)(log_buf + idx); /* * A length == 0 record is the end of buffer marker. Wrap around and * read the message at the start of the buffer. */ if (!msg->len) - return (struct log *)log_buf; + return (struct printk_log *)log_buf; return msg; } /* get next record; idx must point to valid msg */ static u32 log_next(u32 idx) { - struct log *msg = (struct log *)(log_buf + idx); + struct printk_log *msg = (struct printk_log *)(log_buf + idx); /* length == 0 indicates the end of the buffer; wrap */ /* @@ -296,7 +291,7 @@ static u32 log_next(u32 idx) * return the one after that. */ if (!msg->len) { - msg = (struct log *)log_buf; + msg = (struct printk_log *)log_buf; return msg->len; } return idx + msg->len; @@ -308,11 +303,11 @@ static void log_store(int facility, int level, const char *dict, u16 dict_len, const char *text, u16 text_len) { - struct log *msg; + struct printk_log *msg; u32 size, pad_len; /* number of '\0' padding bytes to next message */ - size = sizeof(struct log) + text_len + dict_len; + size = sizeof(struct printk_log) + text_len + dict_len; pad_len = (-size) & (LOG_ALIGN - 1); size += pad_len; @@ -324,7 +319,7 @@ static void log_store(int facility, int level, else free = log_first_idx - log_next_idx; - if (free > size + sizeof(struct log)) + if (free > size + sizeof(struct printk_log)) break; /* drop old messages until we have enough contiuous space */ @@ -332,18 +327,18 @@ static void log_store(int facility, int level, log_first_seq++; } - if (log_next_idx + size + sizeof(struct log) >= log_buf_len) { + if (log_next_idx + size + sizeof(struct printk_log) >= log_buf_len) { /* * This message + an additional empty header does not fit * at the end of the buffer. Add an empty header with len == 0 * to signify a wrap around. */ - memset(log_buf + log_next_idx, 0, sizeof(struct log)); + memset(log_buf + log_next_idx, 0, sizeof(struct printk_log)); log_next_idx = 0; } /* fill message */ - msg = (struct log *)(log_buf + log_next_idx); + msg = (struct printk_log *)(log_buf + log_next_idx); memcpy(log_text(msg), text, text_len); msg->text_len = text_len; memcpy(log_dict(msg), dict, dict_len); @@ -356,7 +351,7 @@ static void log_store(int facility, int level, else msg->ts_nsec = local_clock(); memset(log_dict(msg) + dict_len, 0, pad_len); - msg->len = sizeof(struct log) + text_len + dict_len + pad_len; + msg->len = sizeof(struct printk_log) + text_len + dict_len + pad_len; /* insert message */ log_next_idx += msg->len; @@ -479,7 +474,7 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct devkmsg_user *user = file->private_data; - struct log *msg; + struct printk_log *msg; u64 ts_usec; size_t i; char cont = '-'; @@ -724,14 +719,14 @@ void log_buf_kexec_setup(void) VMCOREINFO_SYMBOL(log_first_idx); VMCOREINFO_SYMBOL(log_next_idx); /* - * Export struct log size and field offsets. User space tools can + * Export struct printk_log size and field offsets. User space tools can * parse it and detect any changes to structure down the line. */ - VMCOREINFO_STRUCT_SIZE(log); - VMCOREINFO_OFFSET(log, ts_nsec); - VMCOREINFO_OFFSET(log, len); - VMCOREINFO_OFFSET(log, text_len); - VMCOREINFO_OFFSET(log, dict_len); + VMCOREINFO_STRUCT_SIZE(printk_log); + VMCOREINFO_OFFSET(printk_log, ts_nsec); + VMCOREINFO_OFFSET(printk_log, len); + VMCOREINFO_OFFSET(printk_log, text_len); + VMCOREINFO_OFFSET(printk_log, dict_len); } #endif @@ -884,7 +879,7 @@ static size_t print_time(u64 ts, char *buf) (unsigned long)ts, rem_nsec / 1000); } -static size_t print_prefix(const struct log *msg, bool syslog, char *buf) +static size_t print_prefix(const struct printk_log *msg, bool syslog, char *buf) { size_t len = 0; unsigned int prefix = (msg->facility << 3) | msg->level; @@ -907,7 +902,7 @@ static size_t print_prefix(const struct log *msg, bool syslog, char *buf) return len; } -static size_t msg_print_text(const struct log *msg, enum log_flags prev, +static size_t msg_print_text(const struct printk_log *msg, enum log_flags prev, bool syslog, char *buf, size_t size) { const char *text = log_text(msg); @@ -969,7 +964,7 @@ static size_t msg_print_text(const struct log *msg, enum log_flags prev, static int syslog_print(char __user *buf, int size) { char *text; - struct log *msg; + struct printk_log *msg; int len = 0; text = kmalloc(LOG_LINE_MAX + PREFIX_MAX, GFP_KERNEL); @@ -1060,7 +1055,7 @@ static int syslog_print_all(char __user *buf, int size, bool clear) idx = clear_idx; prev = 0; while (seq < log_next_seq) { - struct log *msg = log_from_idx(idx); + struct printk_log *msg = log_from_idx(idx); len += msg_print_text(msg, prev, true, NULL, 0); prev = msg->flags; @@ -1073,7 +1068,7 @@ static int syslog_print_all(char __user *buf, int size, bool clear) idx = clear_idx; prev = 0; while (len > size && seq < log_next_seq) { - struct log *msg = log_from_idx(idx); + struct printk_log *msg = log_from_idx(idx); len -= msg_print_text(msg, prev, true, NULL, 0); prev = msg->flags; @@ -1087,7 +1082,7 @@ static int syslog_print_all(char __user *buf, int size, bool clear) len = 0; prev = 0; while (len >= 0 && seq < next_seq) { - struct log *msg = log_from_idx(idx); + struct printk_log *msg = log_from_idx(idx); int textlen; textlen = msg_print_text(msg, prev, true, text, @@ -1233,7 +1228,7 @@ int do_syslog(int type, char __user *buf, int len, bool from_file) error = 0; while (seq < log_next_seq) { - struct log *msg = log_from_idx(idx); + struct printk_log *msg = log_from_idx(idx); error += msg_print_text(msg, prev, true, NULL, 0); idx = log_next(idx); @@ -1719,10 +1714,10 @@ static struct cont { u8 level; bool flushed:1; } cont; -static struct log *log_from_idx(u32 idx) { return NULL; } +static struct printk_log *log_from_idx(u32 idx) { return NULL; } static u32 log_next(u32 idx) { return 0; } static void call_console_drivers(int level, const char *text, size_t len) {} -static size_t msg_print_text(const struct log *msg, enum log_flags prev, +static size_t msg_print_text(const struct printk_log *msg, enum log_flags prev, bool syslog, char *buf, size_t size) { return 0; } static size_t cont_print_text(char *text, size_t size) { return 0; } @@ -1761,23 +1756,23 @@ static int __add_preferred_console(char *name, int idx, char *options, * See if this tty is not yet registered, and * if we have a slot free. */ - for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++) - if (strcmp(console_cmdline[i].name, name) == 0 && - console_cmdline[i].index == idx) { - if (!brl_options) - selected_console = i; - return 0; + for (i = 0, c = console_cmdline; + i < MAX_CMDLINECONSOLES && c->name[0]; + i++, c++) { + if (strcmp(c->name, name) == 0 && c->index == idx) { + if (!brl_options) + selected_console = i; + return 0; } + } if (i == MAX_CMDLINECONSOLES) return -E2BIG; if (!brl_options) selected_console = i; - c = &console_cmdline[i]; strlcpy(c->name, name, sizeof(c->name)); c->options = options; -#ifdef CONFIG_A11Y_BRAILLE_CONSOLE - c->brl_options = brl_options; -#endif + braille_set_options(c, brl_options); + c->index = idx; return 0; } @@ -1790,20 +1785,8 @@ static int __init console_setup(char *str) char *s, *options, *brl_options = NULL; int idx; -#ifdef CONFIG_A11Y_BRAILLE_CONSOLE - if (!memcmp(str, "brl,", 4)) { - brl_options = ""; - str += 4; - } else if (!memcmp(str, "brl=", 4)) { - brl_options = str + 4; - str = strchr(brl_options, ','); - if (!str) { - printk(KERN_ERR "need port name after brl=\n"); - return 1; - } - *(str++) = 0; - } -#endif + if (_braille_console_setup(&str, &brl_options)) + return 1; /* * Decode str into name, index, options. @@ -1858,15 +1841,15 @@ int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, cha struct console_cmdline *c; int i; - for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++) - if (strcmp(console_cmdline[i].name, name) == 0 && - console_cmdline[i].index == idx) { - c = &console_cmdline[i]; - strlcpy(c->name, name_new, sizeof(c->name)); - c->name[sizeof(c->name) - 1] = 0; - c->options = options; - c->index = idx_new; - return i; + for (i = 0, c = console_cmdline; + i < MAX_CMDLINECONSOLES && c->name[0]; + i++, c++) + if (strcmp(c->name, name) == 0 && c->index == idx) { + strlcpy(c->name, name_new, sizeof(c->name)); + c->name[sizeof(c->name) - 1] = 0; + c->options = options; + c->index = idx_new; + return i; } /* not found */ return -1; @@ -2046,7 +2029,7 @@ void console_unlock(void) console_cont_flush(text, sizeof(text)); again: for (;;) { - struct log *msg; + struct printk_log *msg; size_t len; int level; @@ -2241,6 +2224,7 @@ void register_console(struct console *newcon) int i; unsigned long flags; struct console *bcon = NULL; + struct console_cmdline *c; /* * before we register a new CON_BOOT console, make sure we don't @@ -2288,30 +2272,25 @@ void register_console(struct console *newcon) * See if this console matches one we selected on * the command line. */ - for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; - i++) { - if (strcmp(console_cmdline[i].name, newcon->name) != 0) + for (i = 0, c = console_cmdline; + i < MAX_CMDLINECONSOLES && c->name[0]; + i++, c++) { + if (strcmp(c->name, newcon->name) != 0) continue; if (newcon->index >= 0 && - newcon->index != console_cmdline[i].index) + newcon->index != c->index) continue; if (newcon->index < 0) - newcon->index = console_cmdline[i].index; -#ifdef CONFIG_A11Y_BRAILLE_CONSOLE - if (console_cmdline[i].brl_options) { - newcon->flags |= CON_BRL; - braille_register_console(newcon, - console_cmdline[i].index, - console_cmdline[i].options, - console_cmdline[i].brl_options); + newcon->index = c->index; + + if (_braille_register_console(newcon, c)) return; - } -#endif + if (newcon->setup && newcon->setup(newcon, console_cmdline[i].options) != 0) break; newcon->flags |= CON_ENABLED; - newcon->index = console_cmdline[i].index; + newcon->index = c->index; if (i == selected_console) { newcon->flags |= CON_CONSDEV; preferred_console = selected_console; @@ -2394,13 +2373,13 @@ EXPORT_SYMBOL(register_console); int unregister_console(struct console *console) { struct console *a, *b; - int res = 1; + int res; -#ifdef CONFIG_A11Y_BRAILLE_CONSOLE - if (console->flags & CON_BRL) - return braille_unregister_console(console); -#endif + res = _braille_unregister_console(console); + if (res) + return res; + res = 1; console_lock(); if (console_drivers == console) { console_drivers=console->next; @@ -2666,7 +2645,7 @@ void kmsg_dump(enum kmsg_dump_reason reason) bool kmsg_dump_get_line_nolock(struct kmsg_dumper *dumper, bool syslog, char *line, size_t size, size_t *len) { - struct log *msg; + struct printk_log *msg; size_t l = 0; bool ret = false; @@ -2778,7 +2757,7 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog, idx = dumper->cur_idx; prev = 0; while (seq < dumper->next_seq) { - struct log *msg = log_from_idx(idx); + struct printk_log *msg = log_from_idx(idx); l += msg_print_text(msg, prev, true, NULL, 0); idx = log_next(idx); @@ -2791,7 +2770,7 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog, idx = dumper->cur_idx; prev = 0; while (l > size && seq < dumper->next_seq) { - struct log *msg = log_from_idx(idx); + struct printk_log *msg = log_from_idx(idx); l -= msg_print_text(msg, prev, true, NULL, 0); idx = log_next(idx); @@ -2806,7 +2785,7 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog, l = 0; prev = 0; while (seq < dumper->next_seq) { - struct log *msg = log_from_idx(idx); + struct printk_log *msg = log_from_idx(idx); l += msg_print_text(msg, prev, syslog, buf + l, size - l); idx = log_next(idx); diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 4041f57..a146ee3 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -469,7 +469,6 @@ static int ptrace_detach(struct task_struct *child, unsigned int data) /* Architecture-specific hardware disable .. */ ptrace_disable(child); clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - flush_ptrace_hw_breakpoint(child); write_lock_irq(&tasklist_lock); /* diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b7c32cb..05c39f0 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -933,6 +933,8 @@ static int effective_prio(struct task_struct *p) /** * task_curr - is this task currently executing on a CPU? * @p: the task in question. + * + * Return: 1 if the task is currently executing. 0 otherwise. */ inline int task_curr(const struct task_struct *p) { @@ -1482,7 +1484,7 @@ static void ttwu_queue(struct task_struct *p, int cpu) * the simpler "current->state = TASK_RUNNING" to mark yourself * runnable without the overhead of this. * - * Returns %true if @p was woken up, %false if it was already running + * Return: %true if @p was woken up, %false if it was already running. * or @state didn't match @p's state. */ static int @@ -1491,7 +1493,13 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags) unsigned long flags; int cpu, success = 0; - smp_wmb(); + /* + * If we are going to wake up a thread waiting for CONDITION we + * need to ensure that CONDITION=1 done by the caller can not be + * reordered with p->state check below. This pairs with mb() in + * set_current_state() the waiting thread does. + */ + smp_mb__before_spinlock(); raw_spin_lock_irqsave(&p->pi_lock, flags); if (!(p->state & state)) goto out; @@ -1577,8 +1585,9 @@ out: * @p: The process to be woken up. * * Attempt to wake up the nominated process and move it to the set of runnable - * processes. Returns 1 if the process was woken up, 0 if it was already - * running. + * processes. + * + * Return: 1 if the process was woken up, 0 if it was already running. * * It may be assumed that this function implies a write memory barrier before * changing the task state if and only if any tasks are woken up. @@ -2191,6 +2200,8 @@ void scheduler_tick(void) * This makes sure that uptime, CFS vruntime, load * balancing, etc... continue to move forward, even * with a very low granularity. + * + * Return: Maximum deferment in nanoseconds. */ u64 scheduler_tick_max_deferment(void) { @@ -2394,6 +2405,12 @@ need_resched: if (sched_feat(HRTICK)) hrtick_clear(rq); + /* + * Make sure that signal_pending_state()->signal_pending() below + * can't be reordered with __set_current_state(TASK_INTERRUPTIBLE) + * done by the caller to avoid the race with signal_wake_up(). + */ + smp_mb__before_spinlock(); raw_spin_lock_irq(&rq->lock); switch_count = &prev->nivcsw; @@ -2796,8 +2813,8 @@ EXPORT_SYMBOL(wait_for_completion); * specified timeout to expire. The timeout is in jiffies. It is not * interruptible. * - * The return value is 0 if timed out, and positive (at least 1, or number of - * jiffies left till timeout) if completed. + * Return: 0 if timed out, and positive (at least 1, or number of jiffies left + * till timeout) if completed. */ unsigned long __sched wait_for_completion_timeout(struct completion *x, unsigned long timeout) @@ -2829,8 +2846,8 @@ EXPORT_SYMBOL(wait_for_completion_io); * specified timeout to expire. The timeout is in jiffies. It is not * interruptible. The caller is accounted as waiting for IO. * - * The return value is 0 if timed out, and positive (at least 1, or number of - * jiffies left till timeout) if completed. + * Return: 0 if timed out, and positive (at least 1, or number of jiffies left + * till timeout) if completed. */ unsigned long __sched wait_for_completion_io_timeout(struct completion *x, unsigned long timeout) @@ -2846,7 +2863,7 @@ EXPORT_SYMBOL(wait_for_completion_io_timeout); * This waits for completion of a specific task to be signaled. It is * interruptible. * - * The return value is -ERESTARTSYS if interrupted, 0 if completed. + * Return: -ERESTARTSYS if interrupted, 0 if completed. */ int __sched wait_for_completion_interruptible(struct completion *x) { @@ -2865,8 +2882,8 @@ EXPORT_SYMBOL(wait_for_completion_interruptible); * This waits for either a completion of a specific task to be signaled or for a * specified timeout to expire. It is interruptible. The timeout is in jiffies. * - * The return value is -ERESTARTSYS if interrupted, 0 if timed out, - * positive (at least 1, or number of jiffies left till timeout) if completed. + * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1, + * or number of jiffies left till timeout) if completed. */ long __sched wait_for_completion_interruptible_timeout(struct completion *x, @@ -2883,7 +2900,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible_timeout); * This waits to be signaled for completion of a specific task. It can be * interrupted by a kill signal. * - * The return value is -ERESTARTSYS if interrupted, 0 if completed. + * Return: -ERESTARTSYS if interrupted, 0 if completed. */ int __sched wait_for_completion_killable(struct completion *x) { @@ -2903,8 +2920,8 @@ EXPORT_SYMBOL(wait_for_completion_killable); * signaled or for a specified timeout to expire. It can be * interrupted by a kill signal. The timeout is in jiffies. * - * The return value is -ERESTARTSYS if interrupted, 0 if timed out, - * positive (at least 1, or number of jiffies left till timeout) if completed. + * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1, + * or number of jiffies left till timeout) if completed. */ long __sched wait_for_completion_killable_timeout(struct completion *x, @@ -2918,7 +2935,7 @@ EXPORT_SYMBOL(wait_for_completion_killable_timeout); * try_wait_for_completion - try to decrement a completion without blocking * @x: completion structure * - * Returns: 0 if a decrement cannot be done without blocking + * Return: 0 if a decrement cannot be done without blocking * 1 if a decrement succeeded. * * If a completion is being used as a counting completion, @@ -2945,7 +2962,7 @@ EXPORT_SYMBOL(try_wait_for_completion); * completion_done - Test to see if a completion has any waiters * @x: completion structure * - * Returns: 0 if there are waiters (wait_for_completion() in progress) + * Return: 0 if there are waiters (wait_for_completion() in progress) * 1 if there are no waiters. * */ @@ -3182,7 +3199,7 @@ SYSCALL_DEFINE1(nice, int, increment) * task_prio - return the priority value of a given task. * @p: the task in question. * - * This is the priority value as seen by users in /proc. + * Return: The priority value as seen by users in /proc. * RT tasks are offset by -200. Normal tasks are centered * around 0, value goes from -16 to +15. */ @@ -3194,6 +3211,8 @@ int task_prio(const struct task_struct *p) /** * task_nice - return the nice value of a given task. * @p: the task in question. + * + * Return: The nice value [ -20 ... 0 ... 19 ]. */ int task_nice(const struct task_struct *p) { @@ -3204,6 +3223,8 @@ EXPORT_SYMBOL(task_nice); /** * idle_cpu - is a given cpu idle currently? * @cpu: the processor in question. + * + * Return: 1 if the CPU is currently idle. 0 otherwise. */ int idle_cpu(int cpu) { @@ -3226,6 +3247,8 @@ int idle_cpu(int cpu) /** * idle_task - return the idle task for a given cpu. * @cpu: the processor in question. + * + * Return: The idle task for the cpu @cpu. */ struct task_struct *idle_task(int cpu) { @@ -3235,6 +3258,8 @@ struct task_struct *idle_task(int cpu) /** * find_process_by_pid - find a process with a matching PID value. * @pid: the pid in question. + * + * The task of @pid, if found. %NULL otherwise. */ static struct task_struct *find_process_by_pid(pid_t pid) { @@ -3432,6 +3457,8 @@ recheck: * @policy: new policy. * @param: structure containing the new RT priority. * + * Return: 0 on success. An error code otherwise. + * * NOTE that the task may be already dead. */ int sched_setscheduler(struct task_struct *p, int policy, @@ -3451,6 +3478,8 @@ EXPORT_SYMBOL_GPL(sched_setscheduler); * current context has permission. For example, this is needed in * stop_machine(): we create temporary high priority worker threads, * but our caller might not have that capability. + * + * Return: 0 on success. An error code otherwise. */ int sched_setscheduler_nocheck(struct task_struct *p, int policy, const struct sched_param *param) @@ -3485,6 +3514,8 @@ do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param) * @pid: the pid in question. * @policy: new policy. * @param: structure containing the new RT priority. + * + * Return: 0 on success. An error code otherwise. */ SYSCALL_DEFINE3(sched_setscheduler, pid_t, pid, int, policy, struct sched_param __user *, param) @@ -3500,6 +3531,8 @@ SYSCALL_DEFINE3(sched_setscheduler, pid_t, pid, int, policy, * sys_sched_setparam - set/change the RT priority of a thread * @pid: the pid in question. * @param: structure containing the new RT priority. + * + * Return: 0 on success. An error code otherwise. */ SYSCALL_DEFINE2(sched_setparam, pid_t, pid, struct sched_param __user *, param) { @@ -3509,6 +3542,9 @@ SYSCALL_DEFINE2(sched_setparam, pid_t, pid, struct sched_param __user *, param) /** * sys_sched_getscheduler - get the policy (scheduling class) of a thread * @pid: the pid in question. + * + * Return: On success, the policy of the thread. Otherwise, a negative error + * code. */ SYSCALL_DEFINE1(sched_getscheduler, pid_t, pid) { @@ -3535,6 +3571,9 @@ SYSCALL_DEFINE1(sched_getscheduler, pid_t, pid) * sys_sched_getparam - get the RT priority of a thread * @pid: the pid in question. * @param: structure containing the RT priority. + * + * Return: On success, 0 and the RT priority is in @param. Otherwise, an error + * code. */ SYSCALL_DEFINE2(sched_getparam, pid_t, pid, struct sched_param __user *, param) { @@ -3659,6 +3698,8 @@ static int get_user_cpu_mask(unsigned long __user *user_mask_ptr, unsigned len, * @pid: pid of the process * @len: length in bytes of the bitmask pointed to by user_mask_ptr * @user_mask_ptr: user-space pointer to the new cpu mask + * + * Return: 0 on success. An error code otherwise. */ SYSCALL_DEFINE3(sched_setaffinity, pid_t, pid, unsigned int, len, unsigned long __user *, user_mask_ptr) @@ -3710,6 +3751,8 @@ out_unlock: * @pid: pid of the process * @len: length in bytes of the bitmask pointed to by user_mask_ptr * @user_mask_ptr: user-space pointer to hold the current cpu mask + * + * Return: 0 on success. An error code otherwise. */ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len, unsigned long __user *, user_mask_ptr) @@ -3744,6 +3787,8 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len, * * This function yields the current CPU to other tasks. If there are no * other threads running on this CPU then this function will return. + * + * Return: 0. */ SYSCALL_DEFINE0(sched_yield) { @@ -3869,7 +3914,7 @@ EXPORT_SYMBOL(yield); * It's the caller's job to ensure that the target task struct * can't go away on us before we can do any checks. * - * Returns: + * Return: * true (>0) if we indeed boosted the target task. * false (0) if we failed to boost the target. * -ESRCH if there's no task to yield to. @@ -3972,8 +4017,9 @@ long __sched io_schedule_timeout(long timeout) * sys_sched_get_priority_max - return maximum RT priority. * @policy: scheduling class. * - * this syscall returns the maximum rt_priority that can be used - * by a given scheduling class. + * Return: On success, this syscall returns the maximum + * rt_priority that can be used by a given scheduling class. + * On failure, a negative error code is returned. */ SYSCALL_DEFINE1(sched_get_priority_max, int, policy) { @@ -3997,8 +4043,9 @@ SYSCALL_DEFINE1(sched_get_priority_max, int, policy) * sys_sched_get_priority_min - return minimum RT priority. * @policy: scheduling class. * - * this syscall returns the minimum rt_priority that can be used - * by a given scheduling class. + * Return: On success, this syscall returns the minimum + * rt_priority that can be used by a given scheduling class. + * On failure, a negative error code is returned. */ SYSCALL_DEFINE1(sched_get_priority_min, int, policy) { @@ -4024,6 +4071,9 @@ SYSCALL_DEFINE1(sched_get_priority_min, int, policy) * * this syscall writes the default timeslice value of a given process * into the user-space timespec buffer. A value of '0' means infinity. + * + * Return: On success, 0 and the timeslice is in @interval. Otherwise, + * an error code. */ SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid, struct timespec __user *, interval) @@ -6632,6 +6682,8 @@ void normalize_rt_tasks(void) * @cpu: the processor in question. * * ONLY VALID WHEN THE WHOLE SYSTEM IS STOPPED! + * + * Return: The current task for @cpu. */ struct task_struct *curr_task(int cpu) { diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c index 1095e87..8b836b3 100644 --- a/kernel/sched/cpupri.c +++ b/kernel/sched/cpupri.c @@ -62,7 +62,7 @@ static int convert_prio(int prio) * any discrepancies created by racing against the uncertainty of the current * priority configuration. * - * Returns: (int)bool - CPUs were found + * Return: (int)bool - CPUs were found */ int cpupri_find(struct cpupri *cp, struct task_struct *p, struct cpumask *lowest_mask) @@ -203,7 +203,7 @@ void cpupri_set(struct cpupri *cp, int cpu, int newpri) * cpupri_init - initialize the cpupri structure * @cp: The cpupri context * - * Returns: -ENOMEM if memory fails. + * Return: -ENOMEM on memory allocation failure. */ int cpupri_init(struct cpupri *cp) { diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index bb456f4..68f1609 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -851,7 +851,7 @@ void task_numa_fault(int node, int pages, bool migrated) { struct task_struct *p = current; - if (!sched_feat_numa(NUMA)) + if (!numabalancing_enabled) return; /* FIXME: Allocate task-specific structure for placement policy here */ @@ -2032,6 +2032,7 @@ entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr, int queued) */ update_entity_load_avg(curr, 1); update_cfs_rq_blocked_load(cfs_rq, 1); + update_cfs_shares(cfs_rq); #ifdef CONFIG_SCHED_HRTICK /* @@ -4280,6 +4281,8 @@ struct sg_lb_stats { * get_sd_load_idx - Obtain the load index for a given sched domain. * @sd: The sched_domain whose load_idx is to be obtained. * @idle: The Idle status of the CPU for whose sd load_icx is obtained. + * + * Return: The load index. */ static inline int get_sd_load_idx(struct sched_domain *sd, enum cpu_idle_type idle) @@ -4574,6 +4577,9 @@ static inline void update_sg_lb_stats(struct lb_env *env, * * Determine if @sg is a busier group than the previously selected * busiest group. + * + * Return: %true if @sg is a busier group than the previously selected + * busiest group. %false otherwise. */ static bool update_sd_pick_busiest(struct lb_env *env, struct sd_lb_stats *sds, @@ -4691,7 +4697,7 @@ static inline void update_sd_lb_stats(struct lb_env *env, * assuming lower CPU number will be equivalent to lower a SMT thread * number. * - * Returns 1 when packing is required and a task should be moved to + * Return: 1 when packing is required and a task should be moved to * this CPU. The amount of the imbalance is returned in *imbalance. * * @env: The load balancing environment. @@ -4869,7 +4875,7 @@ static inline void calculate_imbalance(struct lb_env *env, struct sd_lb_stats *s * @balance: Pointer to a variable indicating if this_cpu * is the appropriate cpu to perform load balancing at this_level. * - * Returns: - the busiest group if imbalance exists. + * Return: - The busiest group if imbalance exists. * - If no imbalance and user has opted for power-savings balance, * return the least loaded group whose CPUs can be * put to idle by rebalancing its tasks onto our group. @@ -5786,7 +5792,7 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued) entity_tick(cfs_rq, se, queued); } - if (sched_feat_numa(NUMA)) + if (numabalancing_enabled) task_tick_numa(rq, curr); update_rq_runnable_avg(rq, 1); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index ac09d98..07f6fc4 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2346,7 +2346,11 @@ static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp, int write, void *data) { if (write) { - *valp = msecs_to_jiffies(*negp ? -*lvalp : *lvalp); + unsigned long jif = msecs_to_jiffies(*negp ? -*lvalp : *lvalp); + + if (jif > INT_MAX) + return 1; + *valp = (int)jif; } else { int val = *valp; unsigned long lval; diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index e80183f..e77edc9 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -827,13 +827,10 @@ void tick_nohz_irq_exit(void) { struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched); - if (ts->inidle) { - /* Cancel the timer because CPU already waken up from the C-states*/ - menu_hrtimer_cancel(); + if (ts->inidle) __tick_nohz_idle_enter(ts); - } else { + else tick_nohz_full_stop_tick(ts); - } } /** @@ -931,8 +928,6 @@ void tick_nohz_idle_exit(void) ts->inidle = 0; - /* Cancel the timer because CPU already waken up from the C-states*/ - menu_hrtimer_cancel(); if (ts->idle_active || ts->tick_stopped) now = ktime_get(); diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 8ce9eefc..a6d098c 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -2169,12 +2169,57 @@ static cycle_t ftrace_update_time; static unsigned long ftrace_update_cnt; unsigned long ftrace_update_tot_cnt; -static int ops_traces_mod(struct ftrace_ops *ops) +static inline int ops_traces_mod(struct ftrace_ops *ops) { - struct ftrace_hash *hash; + /* + * Filter_hash being empty will default to trace module. + * But notrace hash requires a test of individual module functions. + */ + return ftrace_hash_empty(ops->filter_hash) && + ftrace_hash_empty(ops->notrace_hash); +} + +/* + * Check if the current ops references the record. + * + * If the ops traces all functions, then it was already accounted for. + * If the ops does not trace the current record function, skip it. + * If the ops ignores the function via notrace filter, skip it. + */ +static inline bool +ops_references_rec(struct ftrace_ops *ops, struct dyn_ftrace *rec) +{ + /* If ops isn't enabled, ignore it */ + if (!(ops->flags & FTRACE_OPS_FL_ENABLED)) + return 0; + + /* If ops traces all mods, we already accounted for it */ + if (ops_traces_mod(ops)) + return 0; + + /* The function must be in the filter */ + if (!ftrace_hash_empty(ops->filter_hash) && + !ftrace_lookup_ip(ops->filter_hash, rec->ip)) + return 0; + + /* If in notrace hash, we ignore it too */ + if (ftrace_lookup_ip(ops->notrace_hash, rec->ip)) + return 0; + + return 1; +} + +static int referenced_filters(struct dyn_ftrace *rec) +{ + struct ftrace_ops *ops; + int cnt = 0; - hash = ops->filter_hash; - return ftrace_hash_empty(hash); + for (ops = ftrace_ops_list; ops != &ftrace_list_end; ops = ops->next) { + if (ops_references_rec(ops, rec)) + cnt++; + } + + return cnt; } static int ftrace_update_code(struct module *mod) @@ -2183,6 +2228,7 @@ static int ftrace_update_code(struct module *mod) struct dyn_ftrace *p; cycle_t start, stop; unsigned long ref = 0; + bool test = false; int i; /* @@ -2196,9 +2242,12 @@ static int ftrace_update_code(struct module *mod) for (ops = ftrace_ops_list; ops != &ftrace_list_end; ops = ops->next) { - if (ops->flags & FTRACE_OPS_FL_ENABLED && - ops_traces_mod(ops)) - ref++; + if (ops->flags & FTRACE_OPS_FL_ENABLED) { + if (ops_traces_mod(ops)) + ref++; + else + test = true; + } } } @@ -2208,12 +2257,16 @@ static int ftrace_update_code(struct module *mod) for (pg = ftrace_new_pgs; pg; pg = pg->next) { for (i = 0; i < pg->index; i++) { + int cnt = ref; + /* If something went wrong, bail without enabling anything */ if (unlikely(ftrace_disabled)) return -1; p = &pg->records[i]; - p->flags = ref; + if (test) + cnt += referenced_filters(p); + p->flags = cnt; /* * Do the initial record conversion from mcount jump @@ -2233,7 +2286,7 @@ static int ftrace_update_code(struct module *mod) * conversion puts the module to the correct state, thus * passing the ftrace_make_call check. */ - if (ftrace_start_up && ref) { + if (ftrace_start_up && cnt) { int failed = __ftrace_replace_code(p, 1); if (failed) ftrace_bug(failed, p->ip); @@ -3384,6 +3437,12 @@ ftrace_match_addr(struct ftrace_hash *hash, unsigned long ip, int remove) return add_hash_entry(hash, ip); } +static void ftrace_ops_update_code(struct ftrace_ops *ops) +{ + if (ops->flags & FTRACE_OPS_FL_ENABLED && ftrace_enabled) + ftrace_run_update_code(FTRACE_UPDATE_CALLS); +} + static int ftrace_set_hash(struct ftrace_ops *ops, unsigned char *buf, int len, unsigned long ip, int remove, int reset, int enable) @@ -3426,9 +3485,8 @@ ftrace_set_hash(struct ftrace_ops *ops, unsigned char *buf, int len, mutex_lock(&ftrace_lock); ret = ftrace_hash_move(ops, enable, orig_hash, hash); - if (!ret && ops->flags & FTRACE_OPS_FL_ENABLED - && ftrace_enabled) - ftrace_run_update_code(FTRACE_UPDATE_CALLS); + if (!ret) + ftrace_ops_update_code(ops); mutex_unlock(&ftrace_lock); @@ -3655,9 +3713,8 @@ int ftrace_regex_release(struct inode *inode, struct file *file) mutex_lock(&ftrace_lock); ret = ftrace_hash_move(iter->ops, filter_hash, orig_hash, iter->hash); - if (!ret && (iter->ops->flags & FTRACE_OPS_FL_ENABLED) - && ftrace_enabled) - ftrace_run_update_code(FTRACE_UPDATE_CALLS); + if (!ret) + ftrace_ops_update_code(iter->ops); mutex_unlock(&ftrace_lock); } diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 882ec1d..496f94d 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -243,20 +243,25 @@ int filter_current_check_discard(struct ring_buffer *buffer, } EXPORT_SYMBOL_GPL(filter_current_check_discard); -cycle_t ftrace_now(int cpu) +cycle_t buffer_ftrace_now(struct trace_buffer *buf, int cpu) { u64 ts; /* Early boot up does not have a buffer yet */ - if (!global_trace.trace_buffer.buffer) + if (!buf->buffer) return trace_clock_local(); - ts = ring_buffer_time_stamp(global_trace.trace_buffer.buffer, cpu); - ring_buffer_normalize_time_stamp(global_trace.trace_buffer.buffer, cpu, &ts); + ts = ring_buffer_time_stamp(buf->buffer, cpu); + ring_buffer_normalize_time_stamp(buf->buffer, cpu, &ts); return ts; } +cycle_t ftrace_now(int cpu) +{ + return buffer_ftrace_now(&global_trace.trace_buffer, cpu); +} + /** * tracing_is_enabled - Show if global_trace has been disabled * @@ -1211,7 +1216,7 @@ void tracing_reset_online_cpus(struct trace_buffer *buf) /* Make sure all commits have finished */ synchronize_sched(); - buf->time_start = ftrace_now(buf->cpu); + buf->time_start = buffer_ftrace_now(buf, buf->cpu); for_each_online_cpu(cpu) ring_buffer_reset_cpu(buffer, cpu); @@ -1219,11 +1224,6 @@ void tracing_reset_online_cpus(struct trace_buffer *buf) ring_buffer_record_enable(buffer); } -void tracing_reset_current(int cpu) -{ - tracing_reset(&global_trace.trace_buffer, cpu); -} - /* Must have trace_types_lock held */ void tracing_reset_all_online_cpus(void) { @@ -4151,6 +4151,7 @@ waitagain: memset(&iter->seq, 0, sizeof(struct trace_iterator) - offsetof(struct trace_iterator, seq)); + cpumask_clear(iter->started); iter->pos = -1; trace_event_read_lock(); @@ -4468,7 +4469,7 @@ tracing_free_buffer_release(struct inode *inode, struct file *filp) /* disable tracing ? */ if (trace_flags & TRACE_ITER_STOP_ON_FREE) - tracing_off(); + tracer_tracing_off(tr); /* resize the ring buffer to 0 */ tracing_resize_ring_buffer(tr, 0, RING_BUFFER_ALL_CPUS); @@ -4633,12 +4634,12 @@ static ssize_t tracing_clock_write(struct file *filp, const char __user *ubuf, * New clock may not be consistent with the previous clock. * Reset the buffer so that it doesn't have incomparable timestamps. */ - tracing_reset_online_cpus(&global_trace.trace_buffer); + tracing_reset_online_cpus(&tr->trace_buffer); #ifdef CONFIG_TRACER_MAX_TRACE if (tr->flags & TRACE_ARRAY_FL_GLOBAL && tr->max_buffer.buffer) ring_buffer_set_clock(tr->max_buffer.buffer, trace_clocks[i].func); - tracing_reset_online_cpus(&global_trace.max_buffer); + tracing_reset_online_cpus(&tr->max_buffer); #endif mutex_unlock(&trace_types_lock); diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 898f868..29a7ebc 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -409,33 +409,42 @@ static void put_system(struct ftrace_subsystem_dir *dir) mutex_unlock(&event_mutex); } -/* - * Open and update trace_array ref count. - * Must have the current trace_array passed to it. - */ -static int tracing_open_generic_file(struct inode *inode, struct file *filp) +static void remove_subsystem(struct ftrace_subsystem_dir *dir) { - struct ftrace_event_file *file = inode->i_private; - struct trace_array *tr = file->tr; - int ret; + if (!dir) + return; - if (trace_array_get(tr) < 0) - return -ENODEV; + if (!--dir->nr_events) { + debugfs_remove_recursive(dir->entry); + list_del(&dir->list); + __put_system_dir(dir); + } +} - ret = tracing_open_generic(inode, filp); - if (ret < 0) - trace_array_put(tr); - return ret; +static void *event_file_data(struct file *filp) +{ + return ACCESS_ONCE(file_inode(filp)->i_private); } -static int tracing_release_generic_file(struct inode *inode, struct file *filp) +static void remove_event_file_dir(struct ftrace_event_file *file) { - struct ftrace_event_file *file = inode->i_private; - struct trace_array *tr = file->tr; + struct dentry *dir = file->dir; + struct dentry *child; - trace_array_put(tr); + if (dir) { + spin_lock(&dir->d_lock); /* probably unneeded */ + list_for_each_entry(child, &dir->d_subdirs, d_u.d_child) { + if (child->d_inode) /* probably unneeded */ + child->d_inode->i_private = NULL; + } + spin_unlock(&dir->d_lock); - return 0; + debugfs_remove_recursive(dir); + } + + list_del(&file->list); + remove_subsystem(file->system); + kmem_cache_free(file_cachep, file); } /* @@ -679,15 +688,25 @@ static ssize_t event_enable_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) { - struct ftrace_event_file *file = filp->private_data; + struct ftrace_event_file *file; + unsigned long flags; char buf[4] = "0"; - if (file->flags & FTRACE_EVENT_FL_ENABLED && - !(file->flags & FTRACE_EVENT_FL_SOFT_DISABLED)) + mutex_lock(&event_mutex); + file = event_file_data(filp); + if (likely(file)) + flags = file->flags; + mutex_unlock(&event_mutex); + + if (!file) + return -ENODEV; + + if (flags & FTRACE_EVENT_FL_ENABLED && + !(flags & FTRACE_EVENT_FL_SOFT_DISABLED)) strcpy(buf, "1"); - if (file->flags & FTRACE_EVENT_FL_SOFT_DISABLED || - file->flags & FTRACE_EVENT_FL_SOFT_MODE) + if (flags & FTRACE_EVENT_FL_SOFT_DISABLED || + flags & FTRACE_EVENT_FL_SOFT_MODE) strcat(buf, "*"); strcat(buf, "\n"); @@ -699,13 +718,10 @@ static ssize_t event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt, loff_t *ppos) { - struct ftrace_event_file *file = filp->private_data; + struct ftrace_event_file *file; unsigned long val; int ret; - if (!file) - return -EINVAL; - ret = kstrtoul_from_user(ubuf, cnt, 10, &val); if (ret) return ret; @@ -717,8 +733,11 @@ event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt, switch (val) { case 0: case 1: + ret = -ENODEV; mutex_lock(&event_mutex); - ret = ftrace_event_enable_disable(file, val); + file = event_file_data(filp); + if (likely(file)) + ret = ftrace_event_enable_disable(file, val); mutex_unlock(&event_mutex); break; @@ -825,7 +844,7 @@ enum { static void *f_next(struct seq_file *m, void *v, loff_t *pos) { - struct ftrace_event_call *call = m->private; + struct ftrace_event_call *call = event_file_data(m->private); struct list_head *common_head = &ftrace_common_fields; struct list_head *head = trace_get_fields(call); struct list_head *node = v; @@ -857,7 +876,7 @@ static void *f_next(struct seq_file *m, void *v, loff_t *pos) static int f_show(struct seq_file *m, void *v) { - struct ftrace_event_call *call = m->private; + struct ftrace_event_call *call = event_file_data(m->private); struct ftrace_event_field *field; const char *array_descriptor; @@ -910,6 +929,11 @@ static void *f_start(struct seq_file *m, loff_t *pos) void *p = (void *)FORMAT_HEADER; loff_t l = 0; + /* ->stop() is called even if ->start() fails */ + mutex_lock(&event_mutex); + if (!event_file_data(m->private)) + return ERR_PTR(-ENODEV); + while (l < *pos && p) p = f_next(m, p, &l); @@ -918,6 +942,7 @@ static void *f_start(struct seq_file *m, loff_t *pos) static void f_stop(struct seq_file *m, void *p) { + mutex_unlock(&event_mutex); } static const struct seq_operations trace_format_seq_ops = { @@ -929,7 +954,6 @@ static const struct seq_operations trace_format_seq_ops = { static int trace_format_open(struct inode *inode, struct file *file) { - struct ftrace_event_call *call = inode->i_private; struct seq_file *m; int ret; @@ -938,7 +962,7 @@ static int trace_format_open(struct inode *inode, struct file *file) return ret; m = file->private_data; - m->private = call; + m->private = file; return 0; } @@ -946,14 +970,18 @@ static int trace_format_open(struct inode *inode, struct file *file) static ssize_t event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) { - struct ftrace_event_call *call = filp->private_data; + int id = (long)event_file_data(filp); char buf[32]; int len; if (*ppos) return 0; - len = sprintf(buf, "%d\n", call->event.type); + if (unlikely(!id)) + return -ENODEV; + + len = sprintf(buf, "%d\n", id); + return simple_read_from_buffer(ubuf, cnt, ppos, buf, len); } @@ -961,21 +989,28 @@ static ssize_t event_filter_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) { - struct ftrace_event_call *call = filp->private_data; + struct ftrace_event_call *call; struct trace_seq *s; - int r; + int r = -ENODEV; if (*ppos) return 0; s = kmalloc(sizeof(*s), GFP_KERNEL); + if (!s) return -ENOMEM; trace_seq_init(s); - print_event_filter(call, s); - r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->len); + mutex_lock(&event_mutex); + call = event_file_data(filp); + if (call) + print_event_filter(call, s); + mutex_unlock(&event_mutex); + + if (call) + r = simple_read_from_buffer(ubuf, cnt, ppos, s->buffer, s->len); kfree(s); @@ -986,9 +1021,9 @@ static ssize_t event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt, loff_t *ppos) { - struct ftrace_event_call *call = filp->private_data; + struct ftrace_event_call *call; char *buf; - int err; + int err = -ENODEV; if (cnt >= PAGE_SIZE) return -EINVAL; @@ -1003,7 +1038,12 @@ event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt, } buf[cnt] = '\0'; - err = apply_event_filter(call, buf); + mutex_lock(&event_mutex); + call = event_file_data(filp); + if (call) + err = apply_event_filter(call, buf); + mutex_unlock(&event_mutex); + free_page((unsigned long) buf); if (err < 0) return err; @@ -1225,10 +1265,9 @@ static const struct file_operations ftrace_set_event_fops = { }; static const struct file_operations ftrace_enable_fops = { - .open = tracing_open_generic_file, + .open = tracing_open_generic, .read = event_enable_read, .write = event_enable_write, - .release = tracing_release_generic_file, .llseek = default_llseek, }; @@ -1240,7 +1279,6 @@ static const struct file_operations ftrace_event_format_fops = { }; static const struct file_operations ftrace_event_id_fops = { - .open = tracing_open_generic, .read = event_id_read, .llseek = default_llseek, }; @@ -1488,8 +1526,8 @@ event_create_dir(struct dentry *parent, #ifdef CONFIG_PERF_EVENTS if (call->event.type && call->class->reg) - trace_create_file("id", 0444, file->dir, call, - id); + trace_create_file("id", 0444, file->dir, + (void *)(long)call->event.type, id); #endif /* @@ -1514,33 +1552,16 @@ event_create_dir(struct dentry *parent, return 0; } -static void remove_subsystem(struct ftrace_subsystem_dir *dir) -{ - if (!dir) - return; - - if (!--dir->nr_events) { - debugfs_remove_recursive(dir->entry); - list_del(&dir->list); - __put_system_dir(dir); - } -} - static void remove_event_from_tracers(struct ftrace_event_call *call) { struct ftrace_event_file *file; struct trace_array *tr; do_for_each_event_file_safe(tr, file) { - if (file->event_call != call) continue; - list_del(&file->list); - debugfs_remove_recursive(file->dir); - remove_subsystem(file->system); - kmem_cache_free(file_cachep, file); - + remove_event_file_dir(file); /* * The do_for_each_event_file_safe() is * a double loop. After finding the call for this @@ -1692,16 +1713,53 @@ static void __trace_remove_event_call(struct ftrace_event_call *call) destroy_preds(call); } +static int probe_remove_event_call(struct ftrace_event_call *call) +{ + struct trace_array *tr; + struct ftrace_event_file *file; + +#ifdef CONFIG_PERF_EVENTS + if (call->perf_refcount) + return -EBUSY; +#endif + do_for_each_event_file(tr, file) { + if (file->event_call != call) + continue; + /* + * We can't rely on ftrace_event_enable_disable(enable => 0) + * we are going to do, FTRACE_EVENT_FL_SOFT_MODE can suppress + * TRACE_REG_UNREGISTER. + */ + if (file->flags & FTRACE_EVENT_FL_ENABLED) + return -EBUSY; + /* + * The do_for_each_event_file_safe() is + * a double loop. After finding the call for this + * trace_array, we use break to jump to the next + * trace_array. + */ + break; + } while_for_each_event_file(); + + __trace_remove_event_call(call); + + return 0; +} + /* Remove an event_call */ -void trace_remove_event_call(struct ftrace_event_call *call) +int trace_remove_event_call(struct ftrace_event_call *call) { + int ret; + mutex_lock(&trace_types_lock); mutex_lock(&event_mutex); down_write(&trace_event_sem); - __trace_remove_event_call(call); + ret = probe_remove_event_call(call); up_write(&trace_event_sem); mutex_unlock(&event_mutex); mutex_unlock(&trace_types_lock); + + return ret; } #define for_each_event(event, start, end) \ @@ -2270,12 +2328,8 @@ __trace_remove_event_dirs(struct trace_array *tr) { struct ftrace_event_file *file, *next; - list_for_each_entry_safe(file, next, &tr->events, list) { - list_del(&file->list); - debugfs_remove_recursive(file->dir); - remove_subsystem(file->system); - kmem_cache_free(file_cachep, file); - } + list_for_each_entry_safe(file, next, &tr->events, list) + remove_event_file_dir(file); } static void diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 0c7b75a..97daa8c 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -637,17 +637,15 @@ static void append_filter_err(struct filter_parse_state *ps, free_page((unsigned long) buf); } +/* caller must hold event_mutex */ void print_event_filter(struct ftrace_event_call *call, struct trace_seq *s) { - struct event_filter *filter; + struct event_filter *filter = call->filter; - mutex_lock(&event_mutex); - filter = call->filter; if (filter && filter->filter_string) trace_seq_printf(s, "%s\n", filter->filter_string); else trace_seq_puts(s, "none\n"); - mutex_unlock(&event_mutex); } void print_subsystem_event_filter(struct event_subsystem *system, @@ -1841,23 +1839,22 @@ static int create_system_filter(struct event_subsystem *system, return err; } +/* caller must hold event_mutex */ int apply_event_filter(struct ftrace_event_call *call, char *filter_string) { struct event_filter *filter; - int err = 0; - - mutex_lock(&event_mutex); + int err; if (!strcmp(strstrip(filter_string), "0")) { filter_disable(call); filter = call->filter; if (!filter) - goto out_unlock; + return 0; RCU_INIT_POINTER(call->filter, NULL); /* Make sure the filter is not being used */ synchronize_sched(); __free_filter(filter); - goto out_unlock; + return 0; } err = create_filter(call, filter_string, true, &filter); @@ -1884,8 +1881,6 @@ int apply_event_filter(struct ftrace_event_call *call, char *filter_string) __free_filter(tmp); } } -out_unlock: - mutex_unlock(&event_mutex); return err; } diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 3811487..243f683 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -95,7 +95,7 @@ static __kprobes bool trace_probe_is_on_module(struct trace_probe *tp) } static int register_probe_event(struct trace_probe *tp); -static void unregister_probe_event(struct trace_probe *tp); +static int unregister_probe_event(struct trace_probe *tp); static DEFINE_MUTEX(probe_lock); static LIST_HEAD(probe_list); @@ -351,9 +351,12 @@ static int unregister_trace_probe(struct trace_probe *tp) if (trace_probe_is_enabled(tp)) return -EBUSY; + /* Will fail if probe is being used by ftrace or perf */ + if (unregister_probe_event(tp)) + return -EBUSY; + __unregister_trace_probe(tp); list_del(&tp->list); - unregister_probe_event(tp); return 0; } @@ -632,7 +635,9 @@ static int release_all_trace_probes(void) /* TODO: Use batch unregistration */ while (!list_empty(&probe_list)) { tp = list_entry(probe_list.next, struct trace_probe, list); - unregister_trace_probe(tp); + ret = unregister_trace_probe(tp); + if (ret) + goto end; free_trace_probe(tp); } @@ -1247,11 +1252,15 @@ static int register_probe_event(struct trace_probe *tp) return ret; } -static void unregister_probe_event(struct trace_probe *tp) +static int unregister_probe_event(struct trace_probe *tp) { + int ret; + /* tp->event is unregistered in trace_remove_event_call() */ - trace_remove_event_call(&tp->call); - kfree(tp->call.print_fmt); + ret = trace_remove_event_call(&tp->call); + if (!ret) + kfree(tp->call.print_fmt); + return ret; } /* Make a debugfs interface for controlling probe points */ diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index a23d2d7..272261b 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -70,7 +70,7 @@ struct trace_uprobe { (sizeof(struct probe_arg) * (n))) static int register_uprobe_event(struct trace_uprobe *tu); -static void unregister_uprobe_event(struct trace_uprobe *tu); +static int unregister_uprobe_event(struct trace_uprobe *tu); static DEFINE_MUTEX(uprobe_lock); static LIST_HEAD(uprobe_list); @@ -164,11 +164,17 @@ static struct trace_uprobe *find_probe_event(const char *event, const char *grou } /* Unregister a trace_uprobe and probe_event: call with locking uprobe_lock */ -static void unregister_trace_uprobe(struct trace_uprobe *tu) +static int unregister_trace_uprobe(struct trace_uprobe *tu) { + int ret; + + ret = unregister_uprobe_event(tu); + if (ret) + return ret; + list_del(&tu->list); - unregister_uprobe_event(tu); free_trace_uprobe(tu); + return 0; } /* Register a trace_uprobe and probe_event */ @@ -181,9 +187,12 @@ static int register_trace_uprobe(struct trace_uprobe *tu) /* register as an event */ old_tp = find_probe_event(tu->call.name, tu->call.class->system); - if (old_tp) + if (old_tp) { /* delete old event */ - unregister_trace_uprobe(old_tp); + ret = unregister_trace_uprobe(old_tp); + if (ret) + goto end; + } ret = register_uprobe_event(tu); if (ret) { @@ -256,6 +265,8 @@ static int create_trace_uprobe(int argc, char **argv) group = UPROBE_EVENT_SYSTEM; if (is_delete) { + int ret; + if (!event) { pr_info("Delete command needs an event name.\n"); return -EINVAL; @@ -269,9 +280,9 @@ static int create_trace_uprobe(int argc, char **argv) return -ENOENT; } /* delete an event */ - unregister_trace_uprobe(tu); + ret = unregister_trace_uprobe(tu); mutex_unlock(&uprobe_lock); - return 0; + return ret; } if (argc < 2) { @@ -408,16 +419,20 @@ fail_address_parse: return ret; } -static void cleanup_all_probes(void) +static int cleanup_all_probes(void) { struct trace_uprobe *tu; + int ret = 0; mutex_lock(&uprobe_lock); while (!list_empty(&uprobe_list)) { tu = list_entry(uprobe_list.next, struct trace_uprobe, list); - unregister_trace_uprobe(tu); + ret = unregister_trace_uprobe(tu); + if (ret) + break; } mutex_unlock(&uprobe_lock); + return ret; } /* Probes listing interfaces */ @@ -462,8 +477,13 @@ static const struct seq_operations probes_seq_op = { static int probes_open(struct inode *inode, struct file *file) { - if ((file->f_mode & FMODE_WRITE) && (file->f_flags & O_TRUNC)) - cleanup_all_probes(); + int ret; + + if ((file->f_mode & FMODE_WRITE) && (file->f_flags & O_TRUNC)) { + ret = cleanup_all_probes(); + if (ret) + return ret; + } return seq_open(file, &probes_seq_op); } @@ -968,12 +988,17 @@ static int register_uprobe_event(struct trace_uprobe *tu) return ret; } -static void unregister_uprobe_event(struct trace_uprobe *tu) +static int unregister_uprobe_event(struct trace_uprobe *tu) { + int ret; + /* tu->event is unregistered in trace_remove_event_call() */ - trace_remove_event_call(&tu->call); + ret = trace_remove_event_call(&tu->call); + if (ret) + return ret; kfree(tu->call.print_fmt); tu->call.print_fmt = NULL; + return 0; } /* Make a trace interface for controling probe points */ diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c index d8c30db..9064b91 100644 --- a/kernel/user_namespace.c +++ b/kernel/user_namespace.c @@ -62,6 +62,9 @@ int create_user_ns(struct cred *new) kgid_t group = new->egid; int ret; + if (parent_ns->level > 32) + return -EUSERS; + /* * Verify that we can not violate the policy of which files * may be accessed that is specified by the root directory, @@ -92,6 +95,7 @@ int create_user_ns(struct cred *new) atomic_set(&ns->count, 1); /* Leave the new->user_ns reference with the new user namespace. */ ns->parent = parent_ns; + ns->level = parent_ns->level + 1; ns->owner = owner; ns->group = group; @@ -105,16 +109,21 @@ int create_user_ns(struct cred *new) int unshare_userns(unsigned long unshare_flags, struct cred **new_cred) { struct cred *cred; + int err = -ENOMEM; if (!(unshare_flags & CLONE_NEWUSER)) return 0; cred = prepare_creds(); - if (!cred) - return -ENOMEM; + if (cred) { + err = create_user_ns(cred); + if (err) + put_cred(cred); + else + *new_cred = cred; + } - *new_cred = cred; - return create_user_ns(cred); + return err; } void free_user_ns(struct user_namespace *ns) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 0b72e81..7f5d4be 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -2817,6 +2817,19 @@ already_gone: return false; } +static bool __flush_work(struct work_struct *work) +{ + struct wq_barrier barr; + + if (start_flush_work(work, &barr)) { + wait_for_completion(&barr.done); + destroy_work_on_stack(&barr.work); + return true; + } else { + return false; + } +} + /** * flush_work - wait for a work to finish executing the last queueing instance * @work: the work to flush @@ -2830,18 +2843,10 @@ already_gone: */ bool flush_work(struct work_struct *work) { - struct wq_barrier barr; - lock_map_acquire(&work->lockdep_map); lock_map_release(&work->lockdep_map); - if (start_flush_work(work, &barr)) { - wait_for_completion(&barr.done); - destroy_work_on_stack(&barr.work); - return true; - } else { - return false; - } + return __flush_work(work); } EXPORT_SYMBOL_GPL(flush_work); @@ -3411,6 +3416,12 @@ static void copy_workqueue_attrs(struct workqueue_attrs *to, { to->nice = from->nice; cpumask_copy(to->cpumask, from->cpumask); + /* + * Unlike hash and equality test, this function doesn't ignore + * ->no_numa as it is used for both pool and wq attrs. Instead, + * get_unbound_pool() explicitly clears ->no_numa after copying. + */ + to->no_numa = from->no_numa; } /* hash value of the content of @attr */ @@ -3578,6 +3589,12 @@ static struct worker_pool *get_unbound_pool(const struct workqueue_attrs *attrs) lockdep_set_subclass(&pool->lock, 1); /* see put_pwq() */ copy_workqueue_attrs(pool->attrs, attrs); + /* + * no_numa isn't a worker_pool attribute, always clear it. See + * 'struct workqueue_attrs' comments for detail. + */ + pool->attrs->no_numa = false; + /* if cpumask is contained inside a NUMA node, we belong to that node */ if (wq_numa_enabled) { for_each_node(node) { @@ -4756,7 +4773,14 @@ long work_on_cpu(int cpu, long (*fn)(void *), void *arg) INIT_WORK_ONSTACK(&wfc.work, work_for_cpu_fn); schedule_work_on(cpu, &wfc.work); - flush_work(&wfc.work); + + /* + * The work item is on-stack and can't lead to deadlock through + * flushing. Use __flush_work() to avoid spurious lockdep warnings + * when work_on_cpu()s are nested. + */ + __flush_work(&wfc.work); + return wfc.ret; } EXPORT_SYMBOL_GPL(work_on_cpu); diff --git a/mm/fremap.c b/mm/fremap.c index 87da359..5bff081 100644 --- a/mm/fremap.c +++ b/mm/fremap.c @@ -57,17 +57,22 @@ static int install_file_pte(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, unsigned long pgoff, pgprot_t prot) { int err = -ENOMEM; - pte_t *pte; + pte_t *pte, ptfile; spinlock_t *ptl; pte = get_locked_pte(mm, addr, &ptl); if (!pte) goto out; - if (!pte_none(*pte)) + ptfile = pgoff_to_pte(pgoff); + + if (!pte_none(*pte)) { + if (pte_present(*pte) && pte_soft_dirty(*pte)) + pte_file_mksoft_dirty(ptfile); zap_pte(mm, vma, addr, pte); + } - set_pte_at(mm, addr, pte, pgoff_to_pte(pgoff)); + set_pte_at(mm, addr, pte, ptfile); /* * We don't need to run update_mmu_cache() here because the "file pte" * being installed by install_file_pte() is not a real pte - it's a diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 243e710..a92012a 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1620,7 +1620,9 @@ static void __split_huge_page_refcount(struct page *page, ((1L << PG_referenced) | (1L << PG_swapbacked) | (1L << PG_mlocked) | - (1L << PG_uptodate))); + (1L << PG_uptodate) | + (1L << PG_active) | + (1L << PG_unevictable))); page_tail->flags |= (1L << PG_dirty); /* clear PageTail before overwriting first_page */ diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 83aff0a..b60f330 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2490,7 +2490,7 @@ void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start, mm = vma->vm_mm; - tlb_gather_mmu(&tlb, mm, 0); + tlb_gather_mmu(&tlb, mm, start, end); __unmap_hugepage_range(&tlb, vma, start, end, ref_page); tlb_finish_mmu(&tlb, start, end); } diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 00a7a66..c5792a5 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3195,11 +3195,11 @@ int memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s, if (!s->memcg_params) return -ENOMEM; - INIT_WORK(&s->memcg_params->destroy, - kmem_cache_destroy_work_func); if (memcg) { s->memcg_params->memcg = memcg; s->memcg_params->root_cache = root_cache; + INIT_WORK(&s->memcg_params->destroy, + kmem_cache_destroy_work_func); } else s->memcg_params->is_root_cache = true; @@ -6335,6 +6335,7 @@ static void mem_cgroup_css_offline(struct cgroup *cont) mem_cgroup_invalidate_reclaim_iterators(memcg); mem_cgroup_reparent_charges(memcg); mem_cgroup_destroy_all_caches(memcg); + vmpressure_cleanup(&memcg->vmpressure); } static void mem_cgroup_css_free(struct cgroup *cont) diff --git a/mm/memory.c b/mm/memory.c index 8d9255b..b3c6bf9 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -209,14 +209,15 @@ static int tlb_next_batch(struct mmu_gather *tlb) * tear-down from @mm. The @fullmm argument is used when @mm is without * users and we're going to destroy the full address space (exit/execve). */ -void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm) +void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end) { tlb->mm = mm; - tlb->fullmm = fullmm; + /* Is it from 0 to ~0? */ + tlb->fullmm = !(start | (end+1)); tlb->need_flush_all = 0; - tlb->start = -1UL; - tlb->end = 0; + tlb->start = start; + tlb->end = end; tlb->need_flush = 0; tlb->local.next = NULL; tlb->local.nr = 0; @@ -256,8 +257,6 @@ void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long e { struct mmu_gather_batch *batch, *next; - tlb->start = start; - tlb->end = end; tlb_flush_mmu(tlb); /* keep the page table cache within bounds */ @@ -1099,7 +1098,6 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb, spinlock_t *ptl; pte_t *start_pte; pte_t *pte; - unsigned long range_start = addr; again: init_rss_vec(rss); @@ -1141,9 +1139,12 @@ again: continue; if (unlikely(details) && details->nonlinear_vma && linear_page_index(details->nonlinear_vma, - addr) != page->index) - set_pte_at(mm, addr, pte, - pgoff_to_pte(page->index)); + addr) != page->index) { + pte_t ptfile = pgoff_to_pte(page->index); + if (pte_soft_dirty(ptent)) + pte_file_mksoft_dirty(ptfile); + set_pte_at(mm, addr, pte, ptfile); + } if (PageAnon(page)) rss[MM_ANONPAGES]--; else { @@ -1202,17 +1203,25 @@ again: * and page-free while holding it. */ if (force_flush) { + unsigned long old_end; + force_flush = 0; -#ifdef HAVE_GENERIC_MMU_GATHER - tlb->start = range_start; + /* + * Flush the TLB just for the previous segment, + * then update the range to be the remaining + * TLB range. + */ + old_end = tlb->end; tlb->end = addr; -#endif + tlb_flush_mmu(tlb); - if (addr != end) { - range_start = addr; + + tlb->start = addr; + tlb->end = old_end; + + if (addr != end) goto again; - } } return addr; @@ -1397,7 +1406,7 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long start, unsigned long end = start + size; lru_add_drain(); - tlb_gather_mmu(&tlb, mm, 0); + tlb_gather_mmu(&tlb, mm, start, end); update_hiwater_rss(mm); mmu_notifier_invalidate_range_start(mm, start, end); for ( ; vma && vma->vm_start < end; vma = vma->vm_next) @@ -1423,7 +1432,7 @@ static void zap_page_range_single(struct vm_area_struct *vma, unsigned long addr unsigned long end = address + size; lru_add_drain(); - tlb_gather_mmu(&tlb, mm, 0); + tlb_gather_mmu(&tlb, mm, address, end); update_hiwater_rss(mm); mmu_notifier_invalidate_range_start(mm, address, end); unmap_single_vma(&tlb, vma, address, end, details); @@ -3115,6 +3124,8 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, exclusive = 1; } flush_icache_page(vma, page); + if (pte_swp_soft_dirty(orig_pte)) + pte = pte_mksoft_dirty(pte); set_pte_at(mm, address, page_table, pte); if (page == swapcache) do_page_add_anon_rmap(page, vma, address, exclusive); @@ -3408,6 +3419,8 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, entry = mk_pte(page, vma->vm_page_prot); if (flags & FAULT_FLAG_WRITE) entry = maybe_mkwrite(pte_mkdirty(entry), vma); + else if (pte_file(orig_pte) && pte_file_soft_dirty(orig_pte)) + pte_mksoft_dirty(entry); if (anon) { inc_mm_counter_fast(mm, MM_ANONPAGES); page_add_new_anon_rmap(page, vma, address); diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 7431001..4baf12e 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -732,7 +732,10 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, if (prev) { vma = prev; next = vma->vm_next; - continue; + if (mpol_equal(vma_policy(vma), new_pol)) + continue; + /* vma_merge() joined vma && vma->next, case 8 */ + goto replace; } if (vma->vm_start != vmstart) { err = split_vma(vma->vm_mm, vma, vmstart, 1); @@ -744,6 +747,7 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, if (err) goto out; } + replace: err = vma_replace_policy(vma, new_pol); if (err) goto out; @@ -865,7 +865,7 @@ again: remove_next = 1 + (end > next->vm_end); if (next->anon_vma) anon_vma_merge(vma, next); mm->map_count--; - vma_set_policy(vma, vma_policy(next)); + mpol_put(vma_policy(next)); kmem_cache_free(vm_area_cachep, next); /* * In mprotect's case 6 (see comments on vma_merge), @@ -2336,7 +2336,7 @@ static void unmap_region(struct mm_struct *mm, struct mmu_gather tlb; lru_add_drain(); - tlb_gather_mmu(&tlb, mm, 0); + tlb_gather_mmu(&tlb, mm, start, end); update_hiwater_rss(mm); unmap_vmas(&tlb, vma, start, end); free_pgtables(&tlb, vma, prev ? prev->vm_end : FIRST_USER_ADDRESS, @@ -2709,7 +2709,7 @@ void exit_mmap(struct mm_struct *mm) lru_add_drain(); flush_cache_mm(mm); - tlb_gather_mmu(&tlb, mm, 1); + tlb_gather_mmu(&tlb, mm, 0, -1); /* update_hiwater_rss(mm) here? but nobody should be looking */ /* Use -1 here to ensure all VMAs in the mm are unmapped */ unmap_vmas(&tlb, vma, 0, -1); @@ -1236,6 +1236,7 @@ int try_to_unmap_one(struct page *page, struct vm_area_struct *vma, swp_entry_to_pte(make_hwpoison_entry(page))); } else if (PageAnon(page)) { swp_entry_t entry = { .val = page_private(page) }; + pte_t swp_pte; if (PageSwapCache(page)) { /* @@ -1264,7 +1265,10 @@ int try_to_unmap_one(struct page *page, struct vm_area_struct *vma, BUG_ON(TTU_ACTION(flags) != TTU_MIGRATION); entry = make_migration_entry(page, pte_write(pteval)); } - set_pte_at(mm, address, pte, swp_entry_to_pte(entry)); + swp_pte = swp_entry_to_pte(entry); + if (pte_soft_dirty(pteval)) + swp_pte = pte_swp_mksoft_dirty(swp_pte); + set_pte_at(mm, address, pte, swp_pte); BUG_ON(pte_file(*pte)); } else if (IS_ENABLED(CONFIG_MIGRATION) && (TTU_ACTION(flags) == TTU_MIGRATION)) { @@ -1401,8 +1405,12 @@ static int try_to_unmap_cluster(unsigned long cursor, unsigned int *mapcount, pteval = ptep_clear_flush(vma, address, pte); /* If nonlinear, store the file page offset in the pte. */ - if (page->index != linear_page_index(vma, address)) - set_pte_at(mm, address, pte, pgoff_to_pte(page->index)); + if (page->index != linear_page_index(vma, address)) { + pte_t ptfile = pgoff_to_pte(page->index); + if (pte_soft_dirty(pteval)) + pte_file_mksoft_dirty(ptfile); + set_pte_at(mm, address, pte, ptfile); + } /* Move the dirty bit to the physical page now the pte is gone. */ if (pte_dirty(pteval)) @@ -1798,7 +1798,8 @@ static loff_t shmem_file_llseek(struct file *file, loff_t offset, int whence) } } - offset = vfs_setpos(file, offset, MAX_LFS_FILESIZE); + if (offset >= 0) + offset = vfs_setpos(file, offset, MAX_LFS_FILESIZE); mutex_unlock(&inode->i_mutex); return offset; } @@ -1968,9 +1968,6 @@ static void put_cpu_partial(struct kmem_cache *s, struct page *page, int drain) int pages; int pobjects; - if (!s->cpu_partial) - return; - do { pages = 0; pobjects = 0; @@ -512,12 +512,7 @@ EXPORT_SYMBOL(__lru_cache_add); */ void lru_cache_add(struct page *page) { - if (PageActive(page)) { - VM_BUG_ON(PageUnevictable(page)); - } else if (PageUnevictable(page)) { - VM_BUG_ON(PageActive(page)); - } - + VM_BUG_ON(PageActive(page) && PageUnevictable(page)); VM_BUG_ON(PageLRU(page)); __lru_cache_add(page); } @@ -539,6 +534,7 @@ void add_page_to_unevictable_list(struct page *page) spin_lock_irq(&zone->lru_lock); lruvec = mem_cgroup_page_lruvec(page, zone); + ClearPageActive(page); SetPageUnevictable(page); SetPageLRU(page); add_page_to_lru_list(page, lruvec, LRU_UNEVICTABLE); @@ -774,8 +770,6 @@ EXPORT_SYMBOL(__pagevec_release); void lru_add_page_tail(struct page *page, struct page *page_tail, struct lruvec *lruvec, struct list_head *list) { - int uninitialized_var(active); - enum lru_list lru; const int file = 0; VM_BUG_ON(!PageHead(page)); @@ -787,20 +781,6 @@ void lru_add_page_tail(struct page *page, struct page *page_tail, if (!list) SetPageLRU(page_tail); - if (page_evictable(page_tail)) { - if (PageActive(page)) { - SetPageActive(page_tail); - active = 1; - lru = LRU_ACTIVE_ANON; - } else { - active = 0; - lru = LRU_INACTIVE_ANON; - } - } else { - SetPageUnevictable(page_tail); - lru = LRU_UNEVICTABLE; - } - if (likely(PageLRU(page))) list_add_tail(&page_tail->lru, &page->lru); else if (list) { @@ -816,13 +796,13 @@ void lru_add_page_tail(struct page *page, struct page *page_tail, * Use the standard add function to put page_tail on the list, * but then correct its position so they all end up in order. */ - add_page_to_lru_list(page_tail, lruvec, lru); + add_page_to_lru_list(page_tail, lruvec, page_lru(page_tail)); list_head = page_tail->lru.prev; list_move_tail(&page_tail->lru, list_head); } if (!PageUnevictable(page)) - update_page_reclaim_stat(lruvec, file, active); + update_page_reclaim_stat(lruvec, file, PageActive(page_tail)); } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ @@ -833,7 +813,6 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec, int active = PageActive(page); enum lru_list lru = page_lru(page); - VM_BUG_ON(PageUnevictable(page)); VM_BUG_ON(PageLRU(page)); SetPageLRU(page); diff --git a/mm/swapfile.c b/mm/swapfile.c index 36af6ee..6cf2e60 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -866,6 +866,21 @@ unsigned int count_swap_pages(int type, int free) } #endif /* CONFIG_HIBERNATION */ +static inline int maybe_same_pte(pte_t pte, pte_t swp_pte) +{ +#ifdef CONFIG_MEM_SOFT_DIRTY + /* + * When pte keeps soft dirty bit the pte generated + * from swap entry does not has it, still it's same + * pte from logical point of view. + */ + pte_t swp_pte_dirty = pte_swp_mksoft_dirty(swp_pte); + return pte_same(pte, swp_pte) || pte_same(pte, swp_pte_dirty); +#else + return pte_same(pte, swp_pte); +#endif +} + /* * No need to decide whether this PTE shares the swap entry with others, * just let do_wp_page work it out if a write is requested later - to @@ -892,7 +907,7 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd, } pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); - if (unlikely(!pte_same(*pte, swp_entry_to_pte(entry)))) { + if (unlikely(!maybe_same_pte(*pte, swp_entry_to_pte(entry)))) { mem_cgroup_cancel_charge_swapin(memcg); ret = 0; goto out; @@ -947,7 +962,7 @@ static int unuse_pte_range(struct vm_area_struct *vma, pmd_t *pmd, * swapoff spends a _lot_ of time in this loop! * Test inline before going to call unuse_pte. */ - if (unlikely(pte_same(*pte, swp_pte))) { + if (unlikely(maybe_same_pte(*pte, swp_pte))) { pte_unmap(pte); ret = unuse_pte(vma, pmd, addr, entry, page); if (ret) diff --git a/mm/vmpressure.c b/mm/vmpressure.c index 736a601..0c1e37d 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -180,12 +180,12 @@ static void vmpressure_work_fn(struct work_struct *work) if (!vmpr->scanned) return; - mutex_lock(&vmpr->sr_lock); + spin_lock(&vmpr->sr_lock); scanned = vmpr->scanned; reclaimed = vmpr->reclaimed; vmpr->scanned = 0; vmpr->reclaimed = 0; - mutex_unlock(&vmpr->sr_lock); + spin_unlock(&vmpr->sr_lock); do { if (vmpressure_event(vmpr, scanned, reclaimed)) @@ -240,13 +240,13 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, if (!scanned) return; - mutex_lock(&vmpr->sr_lock); + spin_lock(&vmpr->sr_lock); vmpr->scanned += scanned; vmpr->reclaimed += reclaimed; scanned = vmpr->scanned; - mutex_unlock(&vmpr->sr_lock); + spin_unlock(&vmpr->sr_lock); - if (scanned < vmpressure_win || work_pending(&vmpr->work)) + if (scanned < vmpressure_win) return; schedule_work(&vmpr->work); } @@ -367,8 +367,24 @@ void vmpressure_unregister_event(struct cgroup *cg, struct cftype *cft, */ void vmpressure_init(struct vmpressure *vmpr) { - mutex_init(&vmpr->sr_lock); + spin_lock_init(&vmpr->sr_lock); mutex_init(&vmpr->events_lock); INIT_LIST_HEAD(&vmpr->events); INIT_WORK(&vmpr->work, vmpressure_work_fn); } + +/** + * vmpressure_cleanup() - shuts down vmpressure control structure + * @vmpr: Structure to be cleaned up + * + * This function should be called before the structure in which it is + * embedded is cleaned up. + */ +void vmpressure_cleanup(struct vmpressure *vmpr) +{ + /* + * Make sure there is no pending work before eventfd infrastructure + * goes away. + */ + flush_work(&vmpr->work); +} @@ -257,7 +257,7 @@ int zbud_alloc(struct zbud_pool *pool, int size, gfp_t gfp, if (size <= 0 || gfp & __GFP_HIGHMEM) return -EINVAL; - if (size > PAGE_SIZE - ZHDR_SIZE_ALIGNED) + if (size > PAGE_SIZE - ZHDR_SIZE_ALIGNED - CHUNK_SIZE) return -ENOSPC; chunks = size_to_chunks(size); spin_lock(&pool->lock); diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 4a78c4d..6ee48aa 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -91,7 +91,12 @@ EXPORT_SYMBOL(__vlan_find_dev_deep); struct net_device *vlan_dev_real_dev(const struct net_device *dev) { - return vlan_dev_priv(dev)->real_dev; + struct net_device *ret = vlan_dev_priv(dev)->real_dev; + + while (is_vlan_dev(ret)) + ret = vlan_dev_priv(ret)->real_dev; + + return ret; } EXPORT_SYMBOL(vlan_dev_real_dev); diff --git a/net/Kconfig b/net/Kconfig index 3770249..2b40660 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -244,7 +244,7 @@ config NETPRIO_CGROUP Cgroup subsystem for use in assigning processes to network priorities on a per-interface basis -config NET_LL_RX_POLL +config NET_RX_BUSY_POLL boolean default y diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index e14531f..264de88 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1529,6 +1529,8 @@ out: * in these cases, the skb is further handled by this function and * returns 1, otherwise it returns 0 and the caller shall further * process the skb. + * + * This call might reallocate skb data. */ int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, unsigned short vid) diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index f105219..7614af3 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -508,6 +508,7 @@ out: return 0; } +/* this call might reallocate skb data */ static bool batadv_is_type_dhcprequest(struct sk_buff *skb, int header_len) { int ret = false; @@ -568,6 +569,7 @@ out: return ret; } +/* this call might reallocate skb data */ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) { struct ethhdr *ethhdr; @@ -619,6 +621,12 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) if (!pskb_may_pull(skb, *header_len + sizeof(*udphdr))) return false; + + /* skb->data might have been reallocated by pskb_may_pull() */ + ethhdr = (struct ethhdr *)skb->data; + if (ntohs(ethhdr->h_proto) == ETH_P_8021Q) + ethhdr = (struct ethhdr *)(skb->data + VLAN_HLEN); + udphdr = (struct udphdr *)(skb->data + *header_len); *header_len += sizeof(*udphdr); @@ -634,12 +642,14 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) return true; } +/* this call might reallocate skb data */ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, - struct sk_buff *skb, struct ethhdr *ethhdr) + struct sk_buff *skb) { struct batadv_neigh_node *neigh_curr = NULL, *neigh_old = NULL; struct batadv_orig_node *orig_dst_node = NULL; struct batadv_gw_node *curr_gw = NULL; + struct ethhdr *ethhdr; bool ret, out_of_range = false; unsigned int header_len = 0; uint8_t curr_tq_avg; @@ -648,6 +658,7 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, if (!ret) goto out; + ethhdr = (struct ethhdr *)skb->data; orig_dst_node = batadv_transtable_search(bat_priv, ethhdr->h_source, ethhdr->h_dest); if (!orig_dst_node) diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h index 039902d..1037d75 100644 --- a/net/batman-adv/gateway_client.h +++ b/net/batman-adv/gateway_client.h @@ -34,7 +34,6 @@ void batadv_gw_node_delete(struct batadv_priv *bat_priv, void batadv_gw_node_purge(struct batadv_priv *bat_priv); int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset); bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len); -bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, - struct sk_buff *skb, struct ethhdr *ethhdr); +bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb); #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */ diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 700d0b4..0f04e1c 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -180,6 +180,9 @@ static int batadv_interface_tx(struct sk_buff *skb, if (batadv_bla_tx(bat_priv, skb, vid)) goto dropped; + /* skb->data might have been reallocated by batadv_bla_tx() */ + ethhdr = (struct ethhdr *)skb->data; + /* Register the client MAC in the transtable */ if (!is_multicast_ether_addr(ethhdr->h_source)) batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif); @@ -220,6 +223,10 @@ static int batadv_interface_tx(struct sk_buff *skb, default: break; } + + /* reminder: ethhdr might have become unusable from here on + * (batadv_gw_is_dhcp_target() might have reallocated skb data) + */ } /* ethernet packet should be broadcasted */ @@ -266,7 +273,7 @@ static int batadv_interface_tx(struct sk_buff *skb, /* unicast packet */ } else { if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_OFF) { - ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr); + ret = batadv_gw_out_of_range(bat_priv, skb); if (ret) goto dropped; } diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c index dc8b5d4..688a041 100644 --- a/net/batman-adv/unicast.c +++ b/net/batman-adv/unicast.c @@ -326,7 +326,9 @@ static bool batadv_unicast_push_and_fill_skb(struct sk_buff *skb, int hdr_size, * @skb: the skb containing the payload to encapsulate * @orig_node: the destination node * - * Returns false if the payload could not be encapsulated or true otherwise + * Returns false if the payload could not be encapsulated or true otherwise. + * + * This call might reallocate skb data. */ static bool batadv_unicast_prepare_skb(struct sk_buff *skb, struct batadv_orig_node *orig_node) @@ -343,7 +345,9 @@ static bool batadv_unicast_prepare_skb(struct sk_buff *skb, * @orig_node: the destination node * @packet_subtype: the batman 4addr packet subtype to use * - * Returns false if the payload could not be encapsulated or true otherwise + * Returns false if the payload could not be encapsulated or true otherwise. + * + * This call might reallocate skb data. */ bool batadv_unicast_4addr_prepare_skb(struct batadv_priv *bat_priv, struct sk_buff *skb, @@ -401,7 +405,7 @@ int batadv_unicast_generic_send_skb(struct batadv_priv *bat_priv, struct batadv_neigh_node *neigh_node; int data_len = skb->len; int ret = NET_RX_DROP; - unsigned int dev_mtu; + unsigned int dev_mtu, header_len; /* get routing information */ if (is_multicast_ether_addr(ethhdr->h_dest)) { @@ -429,10 +433,12 @@ find_router: switch (packet_type) { case BATADV_UNICAST: batadv_unicast_prepare_skb(skb, orig_node); + header_len = sizeof(struct batadv_unicast_packet); break; case BATADV_UNICAST_4ADDR: batadv_unicast_4addr_prepare_skb(bat_priv, skb, orig_node, packet_subtype); + header_len = sizeof(struct batadv_unicast_4addr_packet); break; default: /* this function supports UNICAST and UNICAST_4ADDR only. It @@ -441,6 +447,7 @@ find_router: goto out; } + ethhdr = (struct ethhdr *)(skb->data + header_len); unicast_packet = (struct batadv_unicast_packet *)skb->data; /* inform the destination node that we are still missing a correct route diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index e3a3499..cc27297 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -513,7 +513,10 @@ static void hci_init2_req(struct hci_request *req, unsigned long opt) hci_setup_event_mask(req); - if (hdev->hci_ver > BLUETOOTH_VER_1_1) + /* AVM Berlin (31), aka "BlueFRITZ!", doesn't support the read + * local supported commands HCI command. + */ + if (hdev->manufacturer != 31 && hdev->hci_ver > BLUETOOTH_VER_1_1) hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL); if (lmp_ssp_capable(hdev)) { @@ -2165,10 +2168,6 @@ int hci_register_dev(struct hci_dev *hdev) BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); - write_lock(&hci_dev_list_lock); - list_add(&hdev->list, &hci_dev_list); - write_unlock(&hci_dev_list_lock); - hdev->workqueue = alloc_workqueue("%s", WQ_HIGHPRI | WQ_UNBOUND | WQ_MEM_RECLAIM, 1, hdev->name); if (!hdev->workqueue) { @@ -2203,6 +2202,10 @@ int hci_register_dev(struct hci_dev *hdev) if (hdev->dev_type != HCI_AMP) set_bit(HCI_AUTO_OFF, &hdev->dev_flags); + write_lock(&hci_dev_list_lock); + list_add(&hdev->list, &hci_dev_list); + write_unlock(&hci_dev_list_lock); + hci_notify(hdev, HCI_DEV_REG); hci_dev_hold(hdev); @@ -2215,9 +2218,6 @@ err_wqueue: destroy_workqueue(hdev->req_workqueue); err: ida_simple_remove(&hci_index_ida, hdev->id); - write_lock(&hci_dev_list_lock); - list_del(&hdev->list); - write_unlock(&hci_dev_list_lock); return error; } @@ -3399,8 +3399,16 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status) */ if (hdev->sent_cmd) { req_complete = bt_cb(hdev->sent_cmd)->req.complete; - if (req_complete) + + if (req_complete) { + /* We must set the complete callback to NULL to + * avoid calling the callback more than once if + * this function gets called again. + */ + bt_cb(hdev->sent_cmd)->req.complete = NULL; + goto call_complete; + } } /* Remove all pending commands belonging to this request */ diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 2ef6678..69363bd 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -70,7 +70,8 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) } mdst = br_mdb_get(br, skb, vid); - if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) + if ((mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) && + br_multicast_querier_exists(br)) br_multicast_deliver(mdst, skb); else br_flood_deliver(br, skb, false); diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 1b8b8b8..8c561c0 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -101,7 +101,8 @@ int br_handle_frame_finish(struct sk_buff *skb) unicast = false; } else if (is_multicast_ether_addr(dest)) { mdst = br_mdb_get(br, skb, vid); - if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) { + if ((mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) && + br_multicast_querier_exists(br)) { if ((mdst && mdst->mglist) || br_multicast_is_router(br)) skb2 = skb; diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 69af490..08e576a 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -619,6 +619,9 @@ rehash: mp->br = br; mp->addr = *group; + setup_timer(&mp->timer, br_multicast_group_expired, + (unsigned long)mp); + hlist_add_head_rcu(&mp->hlist[mdb->ver], &mdb->mhash[hash]); mdb->size++; @@ -1011,6 +1014,16 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br, } #endif +static void br_multicast_update_querier_timer(struct net_bridge *br, + unsigned long max_delay) +{ + if (!timer_pending(&br->multicast_querier_timer)) + br->multicast_querier_delay_time = jiffies + max_delay; + + mod_timer(&br->multicast_querier_timer, + jiffies + br->multicast_querier_interval); +} + /* * Add port to router_list * list is maintained ordered by pointer value @@ -1061,11 +1074,11 @@ timer: static void br_multicast_query_received(struct net_bridge *br, struct net_bridge_port *port, - int saddr) + int saddr, + unsigned long max_delay) { if (saddr) - mod_timer(&br->multicast_querier_timer, - jiffies + br->multicast_querier_interval); + br_multicast_update_querier_timer(br, max_delay); else if (timer_pending(&br->multicast_querier_timer)) return; @@ -1093,8 +1106,6 @@ static int br_ip4_multicast_query(struct net_bridge *br, (port && port->state == BR_STATE_DISABLED)) goto out; - br_multicast_query_received(br, port, !!iph->saddr); - group = ih->group; if (skb->len == sizeof(*ih)) { @@ -1118,6 +1129,8 @@ static int br_ip4_multicast_query(struct net_bridge *br, IGMPV3_MRC(ih3->code) * (HZ / IGMP_TIMER_SCALE) : 1; } + br_multicast_query_received(br, port, !!iph->saddr, max_delay); + if (!group) goto out; @@ -1126,7 +1139,6 @@ static int br_ip4_multicast_query(struct net_bridge *br, if (!mp) goto out; - setup_timer(&mp->timer, br_multicast_group_expired, (unsigned long)mp); mod_timer(&mp->timer, now + br->multicast_membership_interval); mp->timer_armed = true; @@ -1174,8 +1186,6 @@ static int br_ip6_multicast_query(struct net_bridge *br, (port && port->state == BR_STATE_DISABLED)) goto out; - br_multicast_query_received(br, port, !ipv6_addr_any(&ip6h->saddr)); - if (skb->len == sizeof(*mld)) { if (!pskb_may_pull(skb, sizeof(*mld))) { err = -EINVAL; @@ -1185,7 +1195,7 @@ static int br_ip6_multicast_query(struct net_bridge *br, max_delay = msecs_to_jiffies(ntohs(mld->mld_maxdelay)); if (max_delay) group = &mld->mld_mca; - } else if (skb->len >= sizeof(*mld2q)) { + } else { if (!pskb_may_pull(skb, sizeof(*mld2q))) { err = -EINVAL; goto out; @@ -1196,6 +1206,9 @@ static int br_ip6_multicast_query(struct net_bridge *br, max_delay = mld2q->mld2q_mrc ? MLDV2_MRC(ntohs(mld2q->mld2q_mrc)) : 1; } + br_multicast_query_received(br, port, !ipv6_addr_any(&ip6h->saddr), + max_delay); + if (!group) goto out; @@ -1204,7 +1217,6 @@ static int br_ip6_multicast_query(struct net_bridge *br, if (!mp) goto out; - setup_timer(&mp->timer, br_multicast_group_expired, (unsigned long)mp); mod_timer(&mp->timer, now + br->multicast_membership_interval); mp->timer_armed = true; @@ -1642,6 +1654,8 @@ void br_multicast_init(struct net_bridge *br) br->multicast_querier_interval = 255 * HZ; br->multicast_membership_interval = 260 * HZ; + br->multicast_querier_delay_time = 0; + spin_lock_init(&br->multicast_lock); setup_timer(&br->multicast_router_timer, br_multicast_local_router_expired, 0); @@ -1830,6 +1844,8 @@ unlock: int br_multicast_set_querier(struct net_bridge *br, unsigned long val) { + unsigned long max_delay; + val = !!val; spin_lock_bh(&br->multicast_lock); @@ -1837,8 +1853,14 @@ int br_multicast_set_querier(struct net_bridge *br, unsigned long val) goto unlock; br->multicast_querier = val; - if (val) - br_multicast_start_querier(br); + if (!val) + goto unlock; + + max_delay = br->multicast_query_response_interval; + if (!timer_pending(&br->multicast_querier_timer)) + br->multicast_querier_delay_time = jiffies + max_delay; + + br_multicast_start_querier(br); unlock: spin_unlock_bh(&br->multicast_lock); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 3be89b3..2f7da41 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -267,6 +267,7 @@ struct net_bridge unsigned long multicast_query_interval; unsigned long multicast_query_response_interval; unsigned long multicast_startup_query_interval; + unsigned long multicast_querier_delay_time; spinlock_t multicast_lock; struct net_bridge_mdb_htable __rcu *mdb; @@ -501,6 +502,13 @@ static inline bool br_multicast_is_router(struct net_bridge *br) (br->multicast_router == 1 && timer_pending(&br->multicast_router_timer)); } + +static inline bool br_multicast_querier_exists(struct net_bridge *br) +{ + return time_is_before_jiffies(br->multicast_querier_delay_time) && + (br->multicast_querier || + timer_pending(&br->multicast_querier_timer)); +} #else static inline int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, @@ -557,6 +565,10 @@ static inline bool br_multicast_is_router(struct net_bridge *br) { return 0; } +static inline bool br_multicast_querier_exists(struct net_bridge *br) +{ + return false; +} static inline void br_mdb_init(void) { } diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c index 394bb96..3b9637f 100644 --- a/net/bridge/br_sysfs_br.c +++ b/net/bridge/br_sysfs_br.c @@ -1,5 +1,5 @@ /* - * Sysfs attributes of bridge ports + * Sysfs attributes of bridge * Linux ethernet bridge * * Authors: diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 00ee068..b84a1b1 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -65,6 +65,7 @@ ipv6: nhoff += sizeof(struct ipv6hdr); break; } + case __constant_htons(ETH_P_8021AD): case __constant_htons(ETH_P_8021Q): { const struct vlan_hdr *vlan; struct vlan_hdr _vlan; diff --git a/net/core/neighbour.c b/net/core/neighbour.c index b7de821..60533db 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1441,16 +1441,18 @@ struct neigh_parms *neigh_parms_alloc(struct net_device *dev, atomic_set(&p->refcnt, 1); p->reachable_time = neigh_rand_reach_time(p->base_reachable_time); + dev_hold(dev); + p->dev = dev; + write_pnet(&p->net, hold_net(net)); + p->sysctl_table = NULL; if (ops->ndo_neigh_setup && ops->ndo_neigh_setup(dev, p)) { + release_net(net); + dev_put(dev); kfree(p); return NULL; } - dev_hold(dev); - p->dev = dev; - write_pnet(&p->net, hold_net(net)); - p->sysctl_table = NULL; write_lock_bh(&tbl->lock); p->next = tbl->parms.next; tbl->parms.next = p; @@ -2767,6 +2769,7 @@ EXPORT_SYMBOL(neigh_app_ns); #ifdef CONFIG_SYSCTL static int zero; +static int int_max = INT_MAX; static int unres_qlen_max = INT_MAX / SKB_TRUESIZE(ETH_FRAME_LEN); static int proc_unres_qlen(struct ctl_table *ctl, int write, @@ -2819,19 +2822,25 @@ static struct neigh_sysctl_table { .procname = "mcast_solicit", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_UCAST_PROBE] = { .procname = "ucast_solicit", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_APP_PROBE] = { .procname = "app_solicit", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_RETRANS_TIME] = { .procname = "retrans_time", @@ -2874,7 +2883,9 @@ static struct neigh_sysctl_table { .procname = "proxy_qlen", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_ANYCAST_DELAY] = { .procname = "anycast_delay", @@ -2916,19 +2927,25 @@ static struct neigh_sysctl_table { .procname = "gc_thresh1", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_GC_THRESH2] = { .procname = "gc_thresh2", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, [NEIGH_VAR_GC_THRESH3] = { .procname = "gc_thresh3", .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec, + .extra1 = &zero, + .extra2 = &int_max, + .proc_handler = proc_dointvec_minmax, }, {}, }, diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 3de7408..ca198c1 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2156,7 +2156,7 @@ int ndo_dflt_fdb_del(struct ndmsg *ndm, /* If aging addresses are supported device will need to * implement its own handler for this. */ - if (ndm->ndm_state & NUD_PERMANENT) { + if (!(ndm->ndm_state & NUD_PERMANENT)) { pr_info("%s: FDB only supports static addresses\n", dev->name); return -EINVAL; } @@ -2384,7 +2384,7 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb) struct nlattr *extfilt; u32 filter_mask = 0; - extfilt = nlmsg_find_attr(cb->nlh, sizeof(struct rtgenmsg), + extfilt = nlmsg_find_attr(cb->nlh, sizeof(struct ifinfomsg), IFLA_EXT_MASK); if (extfilt) filter_mask = nla_get_u32(extfilt); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 20e02d2..2c3d0f5 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -309,7 +309,8 @@ EXPORT_SYMBOL(__alloc_skb); * @frag_size: size of fragment, or 0 if head was kmalloced * * Allocate a new &sk_buff. Caller provides space holding head and - * skb_shared_info. @data must have been allocated by kmalloc() + * skb_shared_info. @data must have been allocated by kmalloc() only if + * @frag_size is 0, otherwise data should come from the page allocator. * The return is the new skb buffer. * On a failure the return is %NULL, and @data is not freed. * Notes : @@ -739,7 +740,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) skb_copy_secmark(new, old); -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL new->napi_id = old->napi_id; #endif } diff --git a/net/core/sock.c b/net/core/sock.c index 548d716..2c097c5 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -900,7 +900,7 @@ set_rcvbuf: sock_valbool_flag(sk, SOCK_SELECT_ERR_QUEUE, valbool); break; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL case SO_BUSY_POLL: /* allow unprivileged users to decrease the value */ if ((val > sk->sk_ll_usec) && !capable(CAP_NET_ADMIN)) @@ -1170,7 +1170,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname, v.val = sock_flag(sk, SOCK_SELECT_ERR_QUEUE); break; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL case SO_BUSY_POLL: v.val = sk->sk_ll_usec; break; @@ -2292,7 +2292,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) sk->sk_stamp = ktime_set(-1L, 0); -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL sk->sk_napi_id = 0; sk->sk_ll_usec = sysctl_net_busy_read; #endif diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index 6609686..31107ab 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -21,7 +21,9 @@ #include <net/net_ratelimit.h> #include <net/busy_poll.h> +static int zero = 0; static int one = 1; +static int ushort_max = USHRT_MAX; #ifdef CONFIG_RPS static int rps_sock_flow_sysctl(struct ctl_table *table, int write, @@ -298,7 +300,7 @@ static struct ctl_table net_core_table[] = { .proc_handler = flow_limit_table_len_sysctl }, #endif /* CONFIG_NET_FLOW_LIMIT */ -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL { .procname = "busy_poll", .data = &sysctl_net_busy_poll, @@ -339,7 +341,9 @@ static struct ctl_table netns_core_table[] = { .data = &init_net.core.sysctl_somaxconn, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec + .extra1 = &zero, + .extra2 = &ushort_max, + .proc_handler = proc_dointvec_minmax }, { } }; diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 8d48c39..34ca6d5 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -772,7 +772,7 @@ static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh, ci = nla_data(tb[IFA_CACHEINFO]); if (!ci->ifa_valid || ci->ifa_prefered > ci->ifa_valid) { err = -EINVAL; - goto errout; + goto errout_free; } *pvalid_lft = ci->ifa_valid; *pprefered_lft = ci->ifa_prefered; @@ -780,6 +780,8 @@ static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh, return ifa; +errout_free: + inet_free_ifa(ifa); errout: return ERR_PTR(err); } diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index ab3d814..109ee89 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -477,7 +477,7 @@ static u32 esp4_get_mtu(struct xfrm_state *x, int mtu) } return ((mtu - x->props.header_len - crypto_aead_authsize(esp->aead) - - net_adj) & ~(align - 1)) + (net_adj - 2); + net_adj) & ~(align - 1)) + net_adj - 2; } static void esp4_err(struct sk_buff *skb, u32 info) diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 49616fe..3df6d3e 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -71,7 +71,6 @@ #include <linux/init.h> #include <linux/list.h> #include <linux/slab.h> -#include <linux/prefetch.h> #include <linux/export.h> #include <net/net_namespace.h> #include <net/ip.h> @@ -1761,10 +1760,8 @@ static struct leaf *leaf_walk_rcu(struct tnode *p, struct rt_trie_node *c) if (!c) continue; - if (IS_LEAF(c)) { - prefetch(rcu_dereference_rtnl(p->child[idx])); + if (IS_LEAF(c)) return (struct leaf *) c; - } /* Rescan start scanning in new node */ p = (struct tnode *) c; @@ -2133,7 +2130,7 @@ static void trie_show_stats(struct seq_file *seq, struct trie_stat *stat) max--; pointers = 0; - for (i = 1; i <= max; i++) + for (i = 1; i < max; i++) if (stat->nodesizes[i] != 0) { seq_printf(seq, " %u: %u", i, stat->nodesizes[i]); pointers += (1<<i) * stat->nodesizes[i]; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 1f6eab6..8d6939e 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -383,7 +383,7 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev, if (daddr) memcpy(&iph->daddr, daddr, 4); if (iph->daddr) - return t->hlen; + return t->hlen + sizeof(*iph); return -(t->hlen + sizeof(*iph)); } diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 7167b08..850525b 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -76,9 +76,7 @@ int iptunnel_xmit(struct net *net, struct rtable *rt, iph->daddr = dst; iph->saddr = src; iph->ttl = ttl; - tunnel_ip_select_ident(skb, - (const struct iphdr *)skb_inner_network_header(skb), - &rt->dst); + __ip_select_ident(iph, &rt->dst, (skb_shinfo(skb)->gso_segs ?: 1) - 1); err = ip_local_out(skb); if (unlikely(net_xmit_eval(err))) diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 6577a11..463bd12 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -273,7 +273,7 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPFastOpenListenOverflow", LINUX_MIB_TCPFASTOPENLISTENOVERFLOW), SNMP_MIB_ITEM("TCPFastOpenCookieReqd", LINUX_MIB_TCPFASTOPENCOOKIEREQD), SNMP_MIB_ITEM("TCPSpuriousRtxHostQueues", LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES), - SNMP_MIB_ITEM("LowLatencyRxPackets", LINUX_MIB_LOWLATENCYRXPACKETS), + SNMP_MIB_ITEM("BusyPollRxPackets", LINUX_MIB_BUSYPOLLRXPACKETS), SNMP_MIB_SENTINEL }; diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index b2c123c..610e324 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -36,6 +36,8 @@ static int tcp_adv_win_scale_min = -31; static int tcp_adv_win_scale_max = 31; static int ip_ttl_min = 1; static int ip_ttl_max = 255; +static int tcp_syn_retries_min = 1; +static int tcp_syn_retries_max = MAX_TCP_SYNCNT; static int ip_ping_group_range_min[] = { 0, 0 }; static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX }; @@ -332,7 +334,9 @@ static struct ctl_table ipv4_table[] = { .data = &sysctl_tcp_syn_retries, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec + .proc_handler = proc_dointvec_minmax, + .extra1 = &tcp_syn_retries_min, + .extra2 = &tcp_syn_retries_max }, { .procname = "tcp_synack_retries", diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c index a9077f4..b6ae92a 100644 --- a/net/ipv4/tcp_cubic.c +++ b/net/ipv4/tcp_cubic.c @@ -206,8 +206,8 @@ static u32 cubic_root(u64 a) */ static inline void bictcp_update(struct bictcp *ca, u32 cwnd) { - u64 offs; - u32 delta, t, bic_target, max_cnt; + u32 delta, bic_target, max_cnt; + u64 offs, t; ca->ack_cnt++; /* count the number of ACKs */ @@ -250,9 +250,11 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd) * if the cwnd < 1 million packets !!! */ + t = (s32)(tcp_time_stamp - ca->epoch_start); + t += msecs_to_jiffies(ca->delay_min >> 3); /* change the unit from HZ to bictcp_HZ */ - t = ((tcp_time_stamp + msecs_to_jiffies(ca->delay_min>>3) - - ca->epoch_start) << BICTCP_HZ) / HZ; + t <<= BICTCP_HZ; + do_div(t, HZ); if (t < ca->bic_K) /* t - K */ offs = ca->bic_K - t; @@ -414,7 +416,7 @@ static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt_us) return; /* Discard delay samples right after fast recovery */ - if ((s32)(tcp_time_stamp - ca->epoch_start) < HZ) + if (ca->epoch_start && (s32)(tcp_time_stamp - ca->epoch_start) < HZ) return; delay = (rtt_us << 3) / USEC_PER_MSEC; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index cfdcf7b..da4241c 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -813,8 +813,9 @@ static u32 inet6_addr_hash(const struct in6_addr *addr) /* On success it returns ifp with increased reference count */ static struct inet6_ifaddr * -ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen, - int scope, u32 flags) +ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, + const struct in6_addr *peer_addr, int pfxlen, + int scope, u32 flags, u32 valid_lft, u32 prefered_lft) { struct inet6_ifaddr *ifa = NULL; struct rt6_info *rt; @@ -863,6 +864,8 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen, } ifa->addr = *addr; + if (peer_addr) + ifa->peer_addr = *peer_addr; spin_lock_init(&ifa->lock); spin_lock_init(&ifa->state_lock); @@ -872,6 +875,8 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen, ifa->scope = scope; ifa->prefix_len = pfxlen; ifa->flags = flags | IFA_F_TENTATIVE; + ifa->valid_lft = valid_lft; + ifa->prefered_lft = prefered_lft; ifa->cstamp = ifa->tstamp = jiffies; ifa->tokenized = false; @@ -1123,8 +1128,9 @@ retry: ift = !max_addresses || ipv6_count_addresses(idev) < max_addresses ? - ipv6_add_addr(idev, &addr, tmp_plen, ipv6_addr_scope(&addr), - addr_flags) : NULL; + ipv6_add_addr(idev, &addr, NULL, tmp_plen, + ipv6_addr_scope(&addr), addr_flags, + tmp_valid_lft, tmp_prefered_lft) : NULL; if (IS_ERR_OR_NULL(ift)) { in6_ifa_put(ifp); in6_dev_put(idev); @@ -1136,8 +1142,6 @@ retry: spin_lock_bh(&ift->lock); ift->ifpub = ifp; - ift->valid_lft = tmp_valid_lft; - ift->prefered_lft = tmp_prefered_lft; ift->cstamp = now; ift->tstamp = tmp_tstamp; spin_unlock_bh(&ift->lock); @@ -2179,16 +2183,19 @@ ok: */ if (!max_addresses || ipv6_count_addresses(in6_dev) < max_addresses) - ifp = ipv6_add_addr(in6_dev, &addr, pinfo->prefix_len, + ifp = ipv6_add_addr(in6_dev, &addr, NULL, + pinfo->prefix_len, addr_type&IPV6_ADDR_SCOPE_MASK, - addr_flags); + addr_flags, valid_lft, + prefered_lft); if (IS_ERR_OR_NULL(ifp)) { in6_dev_put(in6_dev); return; } - update_lft = create = 1; + update_lft = 0; + create = 1; ifp->cstamp = jiffies; ifp->tokenized = tokenized; addrconf_dad_start(ifp); @@ -2209,7 +2216,7 @@ ok: stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ; else stored_lft = 0; - if (!update_lft && stored_lft) { + if (!update_lft && !create && stored_lft) { if (valid_lft > MIN_VALID_LIFETIME || valid_lft > stored_lft) update_lft = 1; @@ -2455,17 +2462,10 @@ static int inet6_addr_add(struct net *net, int ifindex, const struct in6_addr *p prefered_lft = timeout; } - ifp = ipv6_add_addr(idev, pfx, plen, scope, ifa_flags); + ifp = ipv6_add_addr(idev, pfx, peer_pfx, plen, scope, ifa_flags, + valid_lft, prefered_lft); if (!IS_ERR(ifp)) { - spin_lock_bh(&ifp->lock); - ifp->valid_lft = valid_lft; - ifp->prefered_lft = prefered_lft; - ifp->tstamp = jiffies; - if (peer_pfx) - ifp->peer_addr = *peer_pfx; - spin_unlock_bh(&ifp->lock); - addrconf_prefix_route(&ifp->addr, ifp->prefix_len, dev, expires, flags); /* @@ -2557,7 +2557,8 @@ static void add_addr(struct inet6_dev *idev, const struct in6_addr *addr, { struct inet6_ifaddr *ifp; - ifp = ipv6_add_addr(idev, addr, plen, scope, IFA_F_PERMANENT); + ifp = ipv6_add_addr(idev, addr, NULL, plen, + scope, IFA_F_PERMANENT, 0, 0); if (!IS_ERR(ifp)) { spin_lock_bh(&ifp->lock); ifp->flags &= ~IFA_F_TENTATIVE; @@ -2683,7 +2684,7 @@ static void addrconf_add_linklocal(struct inet6_dev *idev, const struct in6_addr #endif - ifp = ipv6_add_addr(idev, addr, 64, IFA_LINK, addr_flags); + ifp = ipv6_add_addr(idev, addr, NULL, 64, IFA_LINK, addr_flags, 0, 0); if (!IS_ERR(ifp)) { addrconf_prefix_route(&ifp->addr, ifp->prefix_len, idev->dev, 0, 0); addrconf_dad_start(ifp); diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 40ffd72..aeac0dc 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -425,7 +425,7 @@ static u32 esp6_get_mtu(struct xfrm_state *x, int mtu) net_adj = 0; return ((mtu - x->props.header_len - crypto_aead_authsize(esp->aead) - - net_adj) & ~(align - 1)) + (net_adj - 2); + net_adj) & ~(align - 1)) + net_adj - 2; } static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 5fc9c7a..c4ff5bb 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -993,14 +993,22 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root, if (ipv6_prefix_equal(&key->addr, args->addr, key->plen)) { #ifdef CONFIG_IPV6_SUBTREES - if (fn->subtree) - fn = fib6_lookup_1(fn->subtree, args + 1); + if (fn->subtree) { + struct fib6_node *sfn; + sfn = fib6_lookup_1(fn->subtree, + args + 1); + if (!sfn) + goto backtrack; + fn = sfn; + } #endif - if (!fn || fn->fn_flags & RTN_RTINFO) + if (fn->fn_flags & RTN_RTINFO) return fn; } } - +#ifdef CONFIG_IPV6_SUBTREES +backtrack: +#endif if (fn->fn_flags & RTN_ROOT) break; @@ -1632,27 +1640,28 @@ static int fib6_age(struct rt6_info *rt, void *arg) static DEFINE_SPINLOCK(fib6_gc_lock); -void fib6_run_gc(unsigned long expires, struct net *net) +void fib6_run_gc(unsigned long expires, struct net *net, bool force) { - if (expires != ~0UL) { + unsigned long now; + + if (force) { spin_lock_bh(&fib6_gc_lock); - gc_args.timeout = expires ? (int)expires : - net->ipv6.sysctl.ip6_rt_gc_interval; - } else { - if (!spin_trylock_bh(&fib6_gc_lock)) { - mod_timer(&net->ipv6.ip6_fib_timer, jiffies + HZ); - return; - } - gc_args.timeout = net->ipv6.sysctl.ip6_rt_gc_interval; + } else if (!spin_trylock_bh(&fib6_gc_lock)) { + mod_timer(&net->ipv6.ip6_fib_timer, jiffies + HZ); + return; } + gc_args.timeout = expires ? (int)expires : + net->ipv6.sysctl.ip6_rt_gc_interval; gc_args.more = icmp6_dst_gc(); fib6_clean_all(net, fib6_age, 0, NULL); + now = jiffies; + net->ipv6.ip6_rt_last_gc = now; if (gc_args.more) mod_timer(&net->ipv6.ip6_fib_timer, - round_jiffies(jiffies + round_jiffies(now + net->ipv6.sysctl.ip6_rt_gc_interval)); else del_timer(&net->ipv6.ip6_fib_timer); @@ -1661,7 +1670,7 @@ void fib6_run_gc(unsigned long expires, struct net *net) static void fib6_gc_timer_cb(unsigned long arg) { - fib6_run_gc(0, (struct net *)arg); + fib6_run_gc(0, (struct net *)arg, true); } static int __net_init fib6_net_init(struct net *net) diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 583e8d4..03986d3 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -259,10 +259,12 @@ static void __net_exit ip6mr_rules_exit(struct net *net) { struct mr6_table *mrt, *next; + rtnl_lock(); list_for_each_entry_safe(mrt, next, &net->ipv6.mr6_tables, list) { list_del(&mrt->list); ip6mr_free_table(mrt); } + rtnl_unlock(); fib_rules_unregister(net->ipv6.mr6_rules_ops); } #else @@ -289,7 +291,10 @@ static int __net_init ip6mr_rules_init(struct net *net) static void __net_exit ip6mr_rules_exit(struct net *net) { + rtnl_lock(); ip6mr_free_table(net->ipv6.mrt6); + net->ipv6.mrt6 = NULL; + rtnl_unlock(); } #endif diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 24c03396..79aa965 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1576,7 +1576,7 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, switch (event) { case NETDEV_CHANGEADDR: neigh_changeaddr(&nd_tbl, dev); - fib6_run_gc(~0UL, net); + fib6_run_gc(0, net, false); idev = in6_dev_get(dev); if (!idev) break; @@ -1586,7 +1586,7 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, break; case NETDEV_DOWN: neigh_ifdown(&nd_tbl, dev); - fib6_run_gc(~0UL, net); + fib6_run_gc(0, net, false); break; case NETDEV_NOTIFY_PEERS: ndisc_send_unsol_na(dev); diff --git a/net/ipv6/route.c b/net/ipv6/route.c index a8c891a..b70f897 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1311,7 +1311,6 @@ static void icmp6_clean_all(int (*func)(struct rt6_info *rt, void *arg), static int ip6_dst_gc(struct dst_ops *ops) { - unsigned long now = jiffies; struct net *net = container_of(ops, struct net, ipv6.ip6_dst_ops); int rt_min_interval = net->ipv6.sysctl.ip6_rt_gc_min_interval; int rt_max_size = net->ipv6.sysctl.ip6_rt_max_size; @@ -1321,13 +1320,12 @@ static int ip6_dst_gc(struct dst_ops *ops) int entries; entries = dst_entries_get_fast(ops); - if (time_after(rt_last_gc + rt_min_interval, now) && + if (time_after(rt_last_gc + rt_min_interval, jiffies) && entries <= rt_max_size) goto out; net->ipv6.ip6_rt_gc_expire++; - fib6_run_gc(net->ipv6.ip6_rt_gc_expire, net); - net->ipv6.ip6_rt_last_gc = now; + fib6_run_gc(net->ipv6.ip6_rt_gc_expire, net, entries > rt_max_size); entries = dst_entries_get_slow(ops); if (entries < ops->gc_thresh) net->ipv6.ip6_rt_gc_expire = rt_gc_timeout>>1; @@ -2827,7 +2825,7 @@ int ipv6_sysctl_rtcache_flush(struct ctl_table *ctl, int write, net = (struct net *)ctl->extra1; delay = net->ipv6.sysctl.flush_delay; proc_dointvec(ctl, write, buffer, lenp, ppos); - fib6_run_gc(delay <= 0 ? ~0UL : (unsigned long)delay, net); + fib6_run_gc(delay <= 0 ? 0 : (unsigned long)delay, net, delay > 0); return 0; } diff --git a/net/key/af_key.c b/net/key/af_key.c index 9da8620..ab8bd2c 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -2081,6 +2081,7 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, const struct xfrm_policy * pol->sadb_x_policy_type = IPSEC_POLICY_NONE; } pol->sadb_x_policy_dir = dir+1; + pol->sadb_x_policy_reserved = 0; pol->sadb_x_policy_id = xp->index; pol->sadb_x_policy_priority = xp->priority; @@ -3137,7 +3138,9 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY; pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC; pol->sadb_x_policy_dir = XFRM_POLICY_OUT + 1; + pol->sadb_x_policy_reserved = 0; pol->sadb_x_policy_id = xp->index; + pol->sadb_x_policy_priority = xp->priority; /* Set sadb_comb's. */ if (x->id.proto == IPPROTO_AH) @@ -3525,6 +3528,7 @@ static int pfkey_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY; pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC; pol->sadb_x_policy_dir = dir + 1; + pol->sadb_x_policy_reserved = 0; pol->sadb_x_policy_id = 0; pol->sadb_x_policy_priority = 0; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 8184d12..43dd752 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -666,6 +666,8 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy, if (sta->sdata->dev != dev) continue; + sinfo.filled = 0; + sta_set_sinfo(sta, &sinfo); i = 0; ADD_STA_STATS(sta); } diff --git a/net/mac80211/mesh_ps.c b/net/mac80211/mesh_ps.c index 3b7bfc0..22290a9 100644 --- a/net/mac80211/mesh_ps.c +++ b/net/mac80211/mesh_ps.c @@ -229,6 +229,10 @@ void ieee80211_mps_sta_status_update(struct sta_info *sta) enum nl80211_mesh_power_mode pm; bool do_buffer; + /* For non-assoc STA, prevent buffering or frame transmission */ + if (sta->sta_state < IEEE80211_STA_ASSOC) + return; + /* * use peer-specific power mode if peering is established and the * peer's power mode is known diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index ae31968..cc9e02d 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -31,10 +31,12 @@ #include "led.h" #define IEEE80211_AUTH_TIMEOUT (HZ / 5) +#define IEEE80211_AUTH_TIMEOUT_LONG (HZ / 2) #define IEEE80211_AUTH_TIMEOUT_SHORT (HZ / 10) #define IEEE80211_AUTH_MAX_TRIES 3 #define IEEE80211_AUTH_WAIT_ASSOC (HZ * 5) #define IEEE80211_ASSOC_TIMEOUT (HZ / 5) +#define IEEE80211_ASSOC_TIMEOUT_LONG (HZ / 2) #define IEEE80211_ASSOC_TIMEOUT_SHORT (HZ / 10) #define IEEE80211_ASSOC_MAX_TRIES 3 @@ -209,8 +211,9 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, struct ieee80211_channel *channel, const struct ieee80211_ht_operation *ht_oper, const struct ieee80211_vht_operation *vht_oper, - struct cfg80211_chan_def *chandef, bool verbose) + struct cfg80211_chan_def *chandef, bool tracking) { + struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct cfg80211_chan_def vht_chandef; u32 ht_cfreq, ret; @@ -229,7 +232,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, ht_cfreq = ieee80211_channel_to_frequency(ht_oper->primary_chan, channel->band); /* check that channel matches the right operating channel */ - if (channel->center_freq != ht_cfreq) { + if (!tracking && channel->center_freq != ht_cfreq) { /* * It's possible that some APs are confused here; * Netgear WNDR3700 sometimes reports 4 higher than @@ -237,11 +240,10 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, * since we look at probe response/beacon data here * it should be OK. */ - if (verbose) - sdata_info(sdata, - "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n", - channel->center_freq, ht_cfreq, - ht_oper->primary_chan, channel->band); + sdata_info(sdata, + "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n", + channel->center_freq, ht_cfreq, + ht_oper->primary_chan, channel->band); ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; goto out; } @@ -295,7 +297,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, channel->band); break; default: - if (verbose) + if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) sdata_info(sdata, "AP VHT operation IE has invalid channel width (%d), disable VHT\n", vht_oper->chan_width); @@ -304,7 +306,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, } if (!cfg80211_chandef_valid(&vht_chandef)) { - if (verbose) + if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) sdata_info(sdata, "AP VHT information is invalid, disable VHT\n"); ret = IEEE80211_STA_DISABLE_VHT; @@ -317,7 +319,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata, } if (!cfg80211_chandef_compatible(chandef, &vht_chandef)) { - if (verbose) + if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) sdata_info(sdata, "AP VHT information doesn't match HT, disable VHT\n"); ret = IEEE80211_STA_DISABLE_VHT; @@ -333,18 +335,27 @@ out: if (ret & IEEE80211_STA_DISABLE_VHT) vht_chandef = *chandef; + /* + * Ignore the DISABLED flag when we're already connected and only + * tracking the APs beacon for bandwidth changes - otherwise we + * might get disconnected here if we connect to an AP, update our + * regulatory information based on the AP's country IE and the + * information we have is wrong/outdated and disables the channel + * that we're actually using for the connection to the AP. + */ while (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef, - IEEE80211_CHAN_DISABLED)) { + tracking ? 0 : + IEEE80211_CHAN_DISABLED)) { if (WARN_ON(chandef->width == NL80211_CHAN_WIDTH_20_NOHT)) { ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT; - goto out; + break; } ret |= chandef_downgrade(chandef); } - if (chandef->width != vht_chandef.width && verbose) + if (chandef->width != vht_chandef.width && !tracking) sdata_info(sdata, "capabilities/regulatory prevented using AP HT/VHT configuration, downgraded\n"); @@ -384,7 +395,7 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata, /* calculate new channel (type) based on HT/VHT operation IEs */ flags = ieee80211_determine_chantype(sdata, sband, chan, ht_oper, - vht_oper, &chandef, false); + vht_oper, &chandef, true); /* * Downgrade the new channel if we associated with restricted @@ -3394,10 +3405,13 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) if (tx_flags == 0) { auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT; - ifmgd->auth_data->timeout_started = true; + auth_data->timeout_started = true; run_again(sdata, auth_data->timeout); } else { - auth_data->timeout_started = false; + auth_data->timeout = + round_jiffies_up(jiffies + IEEE80211_AUTH_TIMEOUT_LONG); + auth_data->timeout_started = true; + run_again(sdata, auth_data->timeout); } return 0; @@ -3434,7 +3448,11 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata) assoc_data->timeout_started = true; run_again(sdata, assoc_data->timeout); } else { - assoc_data->timeout_started = false; + assoc_data->timeout = + round_jiffies_up(jiffies + + IEEE80211_ASSOC_TIMEOUT_LONG); + assoc_data->timeout_started = true; + run_again(sdata, assoc_data->timeout); } return 0; @@ -3829,7 +3847,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, ifmgd->flags |= ieee80211_determine_chantype(sdata, sband, cbss->channel, ht_oper, vht_oper, - &chandef, true); + &chandef, false); sdata->needed_rx_chains = min(ieee80211_ht_vht_rx_chains(sdata, cbss), local->rx_chains); diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 7fc5d0d..3401262 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -99,10 +99,13 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) } mutex_unlock(&local->sta_mtx); - /* remove all interfaces */ + /* remove all interfaces that were created in the driver */ list_for_each_entry(sdata, &local->interfaces, list) { - if (!ieee80211_sdata_running(sdata)) + if (!ieee80211_sdata_running(sdata) || + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + sdata->vif.type == NL80211_IFTYPE_MONITOR) continue; + drv_remove_interface(local, sdata); } diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c index ac7ef54..e6512e2 100644 --- a/net/mac80211/rc80211_minstrel.c +++ b/net/mac80211/rc80211_minstrel.c @@ -290,7 +290,7 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta, struct minstrel_rate *msr, *mr; unsigned int ndx; bool mrr_capable; - bool prev_sample = mi->prev_sample; + bool prev_sample; int delta; int sampling_ratio; @@ -314,6 +314,7 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta, (mi->sample_count + mi->sample_deferred / 2); /* delta < 0: no sampling required */ + prev_sample = mi->prev_sample; mi->prev_sample = false; if (delta < 0 || (!mrr_capable && prev_sample)) return; diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 5b2d301..f5aed96 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -804,10 +804,18 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, sample_group = &minstrel_mcs_groups[sample_idx / MCS_GROUP_RATES]; info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; + rate->count = 1; + + if (sample_idx / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) { + int idx = sample_idx % ARRAY_SIZE(mp->cck_rates); + rate->idx = mp->cck_rates[idx]; + rate->flags = 0; + return; + } + rate->idx = sample_idx % MCS_GROUP_RATES + (sample_group->streams - 1) * MCS_GROUP_RATES; rate->flags = IEEE80211_TX_RC_MCS | sample_group->flags; - rate->count = 1; } static void diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 23dbcfc..2c5a79b 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -936,8 +936,14 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); - /* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */ - if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) { + /* + * Drop duplicate 802.11 retransmissions + * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery") + */ + if (rx->skb->len >= 24 && rx->sta && + !ieee80211_is_ctl(hdr->frame_control) && + !ieee80211_is_qos_nullfunc(hdr->frame_control) && + !is_multicast_ether_addr(hdr->addr1)) { if (unlikely(ieee80211_has_retry(hdr->frame_control) && rx->sta->last_seq_ctrl[rx->seqno_idx] == hdr->seq_ctrl)) { diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index c63b618..4fd1ca9 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -293,6 +293,11 @@ void nf_ct_expect_init(struct nf_conntrack_expect *exp, unsigned int class, sizeof(exp->tuple.dst.u3) - len); exp->tuple.dst.u.all = *dst; + +#ifdef CONFIG_NF_NAT_NEEDED + memset(&exp->saved_addr, 0, sizeof(exp->saved_addr)); + memset(&exp->saved_proto, 0, sizeof(exp->saved_proto)); +#endif } EXPORT_SYMBOL_GPL(nf_ct_expect_init); diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 7dcc376..2f80107 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -526,7 +526,7 @@ static bool tcp_in_window(const struct nf_conn *ct, const struct nf_conntrack_tuple *tuple = &ct->tuplehash[dir].tuple; __u32 seq, ack, sack, end, win, swin; s16 receiver_offset; - bool res; + bool res, in_recv_win; /* * Get the required data from the packet. @@ -649,14 +649,18 @@ static bool tcp_in_window(const struct nf_conn *ct, receiver->td_end, receiver->td_maxend, receiver->td_maxwin, receiver->td_scale); + /* Is the ending sequence in the receive window (if available)? */ + in_recv_win = !receiver->td_maxwin || + after(end, sender->td_end - receiver->td_maxwin - 1); + pr_debug("tcp_in_window: I=%i II=%i III=%i IV=%i\n", before(seq, sender->td_maxend + 1), - after(end, sender->td_end - receiver->td_maxwin - 1), + (in_recv_win ? 1 : 0), before(sack, receiver->td_end + 1), after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1)); if (before(seq, sender->td_maxend + 1) && - after(end, sender->td_end - receiver->td_maxwin - 1) && + in_recv_win && before(sack, receiver->td_end + 1) && after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1)) { /* @@ -725,7 +729,7 @@ static bool tcp_in_window(const struct nf_conn *ct, nf_log_packet(net, pf, 0, skb, NULL, NULL, NULL, "nf_ct_tcp: %s ", before(seq, sender->td_maxend + 1) ? - after(end, sender->td_end - receiver->td_maxwin - 1) ? + in_recv_win ? before(sack, receiver->td_end + 1) ? after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1) ? "BUG" : "ACK is under the lower bound (possible overly delayed ACK)" diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 962e979..d92cc31 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -419,6 +419,7 @@ __build_packet_message(struct nfnl_log_net *log, nfmsg->version = NFNETLINK_V0; nfmsg->res_id = htons(inst->group_num); + memset(&pmsg, 0, sizeof(pmsg)); pmsg.hw_protocol = skb->protocol; pmsg.hook = hooknum; @@ -498,7 +499,10 @@ __build_packet_message(struct nfnl_log_net *log, if (indev && skb->dev && skb->mac_header != skb->network_header) { struct nfulnl_msg_packet_hw phw; - int len = dev_parse_header(skb, phw.hw_addr); + int len; + + memset(&phw, 0, sizeof(phw)); + len = dev_parse_header(skb, phw.hw_addr); if (len > 0) { phw.hw_addrlen = htons(len); if (nla_put(inst->skb, NFULA_HWADDR, sizeof(phw), &phw)) diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c index 971ea14..8a703c3 100644 --- a/net/netfilter/nfnetlink_queue_core.c +++ b/net/netfilter/nfnetlink_queue_core.c @@ -463,7 +463,10 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue, if (indev && entskb->dev && entskb->mac_header != entskb->network_header) { struct nfqnl_msg_packet_hw phw; - int len = dev_parse_header(entskb, phw.hw_addr); + int len; + + memset(&phw, 0, sizeof(phw)); + len = dev_parse_header(entskb, phw.hw_addr); if (len) { phw.hw_addrlen = htons(len); if (nla_put(skb, NFQA_HWADDR, sizeof(phw), &phw)) diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c index 7011c71..6113cc7 100644 --- a/net/netfilter/xt_TCPMSS.c +++ b/net/netfilter/xt_TCPMSS.c @@ -52,7 +52,8 @@ tcpmss_mangle_packet(struct sk_buff *skb, { const struct xt_tcpmss_info *info = par->targinfo; struct tcphdr *tcph; - unsigned int tcplen, i; + int len, tcp_hdrlen; + unsigned int i; __be16 oldval; u16 newmss; u8 *opt; @@ -64,11 +65,14 @@ tcpmss_mangle_packet(struct sk_buff *skb, if (!skb_make_writable(skb, skb->len)) return -1; - tcplen = skb->len - tcphoff; + len = skb->len - tcphoff; + if (len < (int)sizeof(struct tcphdr)) + return -1; + tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); + tcp_hdrlen = tcph->doff * 4; - /* Header cannot be larger than the packet */ - if (tcplen < tcph->doff*4) + if (len < tcp_hdrlen) return -1; if (info->mss == XT_TCPMSS_CLAMP_PMTU) { @@ -87,9 +91,8 @@ tcpmss_mangle_packet(struct sk_buff *skb, newmss = info->mss; opt = (u_int8_t *)tcph; - for (i = sizeof(struct tcphdr); i < tcph->doff*4; i += optlen(opt, i)) { - if (opt[i] == TCPOPT_MSS && tcph->doff*4 - i >= TCPOLEN_MSS && - opt[i+1] == TCPOLEN_MSS) { + for (i = sizeof(struct tcphdr); i <= tcp_hdrlen - TCPOLEN_MSS; i += optlen(opt, i)) { + if (opt[i] == TCPOPT_MSS && opt[i+1] == TCPOLEN_MSS) { u_int16_t oldmss; oldmss = (opt[i+2] << 8) | opt[i+3]; @@ -112,9 +115,10 @@ tcpmss_mangle_packet(struct sk_buff *skb, } /* There is data after the header so the option can't be added - without moving it, and doing so may make the SYN packet - itself too large. Accept the packet unmodified instead. */ - if (tcplen > tcph->doff*4) + * without moving it, and doing so may make the SYN packet + * itself too large. Accept the packet unmodified instead. + */ + if (len > tcp_hdrlen) return 0; /* @@ -143,10 +147,10 @@ tcpmss_mangle_packet(struct sk_buff *skb, newmss = min(newmss, (u16)1220); opt = (u_int8_t *)tcph + sizeof(struct tcphdr); - memmove(opt + TCPOLEN_MSS, opt, tcplen - sizeof(struct tcphdr)); + memmove(opt + TCPOLEN_MSS, opt, len - sizeof(struct tcphdr)); inet_proto_csum_replace2(&tcph->check, skb, - htons(tcplen), htons(tcplen + TCPOLEN_MSS), 1); + htons(len), htons(len + TCPOLEN_MSS), 1); opt[0] = TCPOPT_MSS; opt[1] = TCPOLEN_MSS; opt[2] = (newmss & 0xff00) >> 8; diff --git a/net/netfilter/xt_TCPOPTSTRIP.c b/net/netfilter/xt_TCPOPTSTRIP.c index b68fa19..625fa1d 100644 --- a/net/netfilter/xt_TCPOPTSTRIP.c +++ b/net/netfilter/xt_TCPOPTSTRIP.c @@ -38,7 +38,7 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb, struct tcphdr *tcph; u_int16_t n, o; u_int8_t *opt; - int len; + int len, tcp_hdrlen; /* This is a fragment, no TCP header is available */ if (par->fragoff != 0) @@ -52,7 +52,9 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb, return NF_DROP; tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); - if (tcph->doff * 4 > len) + tcp_hdrlen = tcph->doff * 4; + + if (len < tcp_hdrlen) return NF_DROP; opt = (u_int8_t *)tcph; @@ -61,10 +63,10 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb, * Walk through all TCP options - if we find some option to remove, * set all octets to %TCPOPT_NOP and adjust checksum. */ - for (i = sizeof(struct tcphdr); i < tcp_hdrlen(skb); i += optl) { + for (i = sizeof(struct tcphdr); i < tcp_hdrlen - 1; i += optl) { optl = optlen(opt, i); - if (i + optl > tcp_hdrlen(skb)) + if (i + optl > tcp_hdrlen) break; if (!tcpoptstrip_test_bit(info->strip_bmap, opt[i])) diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c index f8b7191..20b1591 100644 --- a/net/netfilter/xt_socket.c +++ b/net/netfilter/xt_socket.c @@ -172,7 +172,7 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par, /* Ignore non-transparent sockets, if XT_SOCKET_TRANSPARENT is used */ - if (info && info->flags & XT_SOCKET_TRANSPARENT) + if (info->flags & XT_SOCKET_TRANSPARENT) transparent = ((sk->sk_state != TCP_TIME_WAIT && inet_sk(sk)->transparent) || (sk->sk_state == TCP_TIME_WAIT && @@ -196,7 +196,11 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par, static bool socket_mt4_v0(const struct sk_buff *skb, struct xt_action_param *par) { - return socket_match(skb, par, NULL); + static struct xt_socket_mtinfo1 xt_info_v0 = { + .flags = 0, + }; + + return socket_match(skb, par, &xt_info_v0); } static bool @@ -314,7 +318,7 @@ socket_mt6_v1_v2(const struct sk_buff *skb, struct xt_action_param *par) /* Ignore non-transparent sockets, if XT_SOCKET_TRANSPARENT is used */ - if (info && info->flags & XT_SOCKET_TRANSPARENT) + if (info->flags & XT_SOCKET_TRANSPARENT) transparent = ((sk->sk_state != TCP_TIME_WAIT && inet_sk(sk)->transparent) || (sk->sk_state == TCP_TIME_WAIT && diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c index c15042f..a110064 100644 --- a/net/netlabel/netlabel_cipso_v4.c +++ b/net/netlabel/netlabel_cipso_v4.c @@ -691,8 +691,8 @@ static int netlbl_cipsov4_remove_cb(struct netlbl_dom_map *entry, void *arg) { struct netlbl_domhsh_walk_arg *cb_arg = arg; - if (entry->type == NETLBL_NLTYPE_CIPSOV4 && - entry->type_def.cipsov4->doi == cb_arg->doi) + if (entry->def.type == NETLBL_NLTYPE_CIPSOV4 && + entry->def.cipso->doi == cb_arg->doi) return netlbl_domhsh_remove_entry(entry, cb_arg->audit_info); return 0; diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c index 6bb1d42..85d842e 100644 --- a/net/netlabel/netlabel_domainhash.c +++ b/net/netlabel/netlabel_domainhash.c @@ -84,15 +84,15 @@ static void netlbl_domhsh_free_entry(struct rcu_head *entry) #endif /* IPv6 */ ptr = container_of(entry, struct netlbl_dom_map, rcu); - if (ptr->type == NETLBL_NLTYPE_ADDRSELECT) { + if (ptr->def.type == NETLBL_NLTYPE_ADDRSELECT) { netlbl_af4list_foreach_safe(iter4, tmp4, - &ptr->type_def.addrsel->list4) { + &ptr->def.addrsel->list4) { netlbl_af4list_remove_entry(iter4); kfree(netlbl_domhsh_addr4_entry(iter4)); } #if IS_ENABLED(CONFIG_IPV6) netlbl_af6list_foreach_safe(iter6, tmp6, - &ptr->type_def.addrsel->list6) { + &ptr->def.addrsel->list6) { netlbl_af6list_remove_entry(iter6); kfree(netlbl_domhsh_addr6_entry(iter6)); } @@ -213,21 +213,21 @@ static void netlbl_domhsh_audit_add(struct netlbl_dom_map *entry, if (addr4 != NULL) { struct netlbl_domaddr4_map *map4; map4 = netlbl_domhsh_addr4_entry(addr4); - type = map4->type; - cipsov4 = map4->type_def.cipsov4; + type = map4->def.type; + cipsov4 = map4->def.cipso; netlbl_af4list_audit_addr(audit_buf, 0, NULL, addr4->addr, addr4->mask); #if IS_ENABLED(CONFIG_IPV6) } else if (addr6 != NULL) { struct netlbl_domaddr6_map *map6; map6 = netlbl_domhsh_addr6_entry(addr6); - type = map6->type; + type = map6->def.type; netlbl_af6list_audit_addr(audit_buf, 0, NULL, &addr6->addr, &addr6->mask); #endif /* IPv6 */ } else { - type = entry->type; - cipsov4 = entry->type_def.cipsov4; + type = entry->def.type; + cipsov4 = entry->def.cipso; } switch (type) { case NETLBL_NLTYPE_UNLABELED: @@ -265,26 +265,25 @@ static int netlbl_domhsh_validate(const struct netlbl_dom_map *entry) if (entry == NULL) return -EINVAL; - switch (entry->type) { + switch (entry->def.type) { case NETLBL_NLTYPE_UNLABELED: - if (entry->type_def.cipsov4 != NULL || - entry->type_def.addrsel != NULL) + if (entry->def.cipso != NULL || entry->def.addrsel != NULL) return -EINVAL; break; case NETLBL_NLTYPE_CIPSOV4: - if (entry->type_def.cipsov4 == NULL) + if (entry->def.cipso == NULL) return -EINVAL; break; case NETLBL_NLTYPE_ADDRSELECT: - netlbl_af4list_foreach(iter4, &entry->type_def.addrsel->list4) { + netlbl_af4list_foreach(iter4, &entry->def.addrsel->list4) { map4 = netlbl_domhsh_addr4_entry(iter4); - switch (map4->type) { + switch (map4->def.type) { case NETLBL_NLTYPE_UNLABELED: - if (map4->type_def.cipsov4 != NULL) + if (map4->def.cipso != NULL) return -EINVAL; break; case NETLBL_NLTYPE_CIPSOV4: - if (map4->type_def.cipsov4 == NULL) + if (map4->def.cipso == NULL) return -EINVAL; break; default: @@ -292,9 +291,9 @@ static int netlbl_domhsh_validate(const struct netlbl_dom_map *entry) } } #if IS_ENABLED(CONFIG_IPV6) - netlbl_af6list_foreach(iter6, &entry->type_def.addrsel->list6) { + netlbl_af6list_foreach(iter6, &entry->def.addrsel->list6) { map6 = netlbl_domhsh_addr6_entry(iter6); - switch (map6->type) { + switch (map6->def.type) { case NETLBL_NLTYPE_UNLABELED: break; default: @@ -402,32 +401,31 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry, rcu_assign_pointer(netlbl_domhsh_def, entry); } - if (entry->type == NETLBL_NLTYPE_ADDRSELECT) { + if (entry->def.type == NETLBL_NLTYPE_ADDRSELECT) { netlbl_af4list_foreach_rcu(iter4, - &entry->type_def.addrsel->list4) + &entry->def.addrsel->list4) netlbl_domhsh_audit_add(entry, iter4, NULL, ret_val, audit_info); #if IS_ENABLED(CONFIG_IPV6) netlbl_af6list_foreach_rcu(iter6, - &entry->type_def.addrsel->list6) + &entry->def.addrsel->list6) netlbl_domhsh_audit_add(entry, NULL, iter6, ret_val, audit_info); #endif /* IPv6 */ } else netlbl_domhsh_audit_add(entry, NULL, NULL, ret_val, audit_info); - } else if (entry_old->type == NETLBL_NLTYPE_ADDRSELECT && - entry->type == NETLBL_NLTYPE_ADDRSELECT) { + } else if (entry_old->def.type == NETLBL_NLTYPE_ADDRSELECT && + entry->def.type == NETLBL_NLTYPE_ADDRSELECT) { struct list_head *old_list4; struct list_head *old_list6; - old_list4 = &entry_old->type_def.addrsel->list4; - old_list6 = &entry_old->type_def.addrsel->list6; + old_list4 = &entry_old->def.addrsel->list4; + old_list6 = &entry_old->def.addrsel->list6; /* we only allow the addition of address selectors if all of * the selectors do not exist in the existing domain map */ - netlbl_af4list_foreach_rcu(iter4, - &entry->type_def.addrsel->list4) + netlbl_af4list_foreach_rcu(iter4, &entry->def.addrsel->list4) if (netlbl_af4list_search_exact(iter4->addr, iter4->mask, old_list4)) { @@ -435,8 +433,7 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry, goto add_return; } #if IS_ENABLED(CONFIG_IPV6) - netlbl_af6list_foreach_rcu(iter6, - &entry->type_def.addrsel->list6) + netlbl_af6list_foreach_rcu(iter6, &entry->def.addrsel->list6) if (netlbl_af6list_search_exact(&iter6->addr, &iter6->mask, old_list6)) { @@ -446,7 +443,7 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry, #endif /* IPv6 */ netlbl_af4list_foreach_safe(iter4, tmp4, - &entry->type_def.addrsel->list4) { + &entry->def.addrsel->list4) { netlbl_af4list_remove_entry(iter4); iter4->valid = 1; ret_val = netlbl_af4list_add(iter4, old_list4); @@ -457,7 +454,7 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry, } #if IS_ENABLED(CONFIG_IPV6) netlbl_af6list_foreach_safe(iter6, tmp6, - &entry->type_def.addrsel->list6) { + &entry->def.addrsel->list6) { netlbl_af6list_remove_entry(iter6); iter6->valid = 1; ret_val = netlbl_af6list_add(iter6, old_list6); @@ -538,18 +535,18 @@ int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, struct netlbl_af4list *iter4; struct netlbl_domaddr4_map *map4; - switch (entry->type) { + switch (entry->def.type) { case NETLBL_NLTYPE_ADDRSELECT: netlbl_af4list_foreach_rcu(iter4, - &entry->type_def.addrsel->list4) { + &entry->def.addrsel->list4) { map4 = netlbl_domhsh_addr4_entry(iter4); - cipso_v4_doi_putdef(map4->type_def.cipsov4); + cipso_v4_doi_putdef(map4->def.cipso); } /* no need to check the IPv6 list since we currently * support only unlabeled protocols for IPv6 */ break; case NETLBL_NLTYPE_CIPSOV4: - cipso_v4_doi_putdef(entry->type_def.cipsov4); + cipso_v4_doi_putdef(entry->def.cipso); break; } call_rcu(&entry->rcu, netlbl_domhsh_free_entry); @@ -590,20 +587,21 @@ int netlbl_domhsh_remove_af4(const char *domain, entry_map = netlbl_domhsh_search(domain); else entry_map = netlbl_domhsh_search_def(domain); - if (entry_map == NULL || entry_map->type != NETLBL_NLTYPE_ADDRSELECT) + if (entry_map == NULL || + entry_map->def.type != NETLBL_NLTYPE_ADDRSELECT) goto remove_af4_failure; spin_lock(&netlbl_domhsh_lock); entry_addr = netlbl_af4list_remove(addr->s_addr, mask->s_addr, - &entry_map->type_def.addrsel->list4); + &entry_map->def.addrsel->list4); spin_unlock(&netlbl_domhsh_lock); if (entry_addr == NULL) goto remove_af4_failure; - netlbl_af4list_foreach_rcu(iter4, &entry_map->type_def.addrsel->list4) + netlbl_af4list_foreach_rcu(iter4, &entry_map->def.addrsel->list4) goto remove_af4_single_addr; #if IS_ENABLED(CONFIG_IPV6) - netlbl_af6list_foreach_rcu(iter6, &entry_map->type_def.addrsel->list6) + netlbl_af6list_foreach_rcu(iter6, &entry_map->def.addrsel->list6) goto remove_af4_single_addr; #endif /* IPv6 */ /* the domain mapping is empty so remove it from the mapping table */ @@ -616,7 +614,7 @@ remove_af4_single_addr: * shouldn't be a problem */ synchronize_rcu(); entry = netlbl_domhsh_addr4_entry(entry_addr); - cipso_v4_doi_putdef(entry->type_def.cipsov4); + cipso_v4_doi_putdef(entry->def.cipso); kfree(entry); return 0; @@ -693,8 +691,8 @@ struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain) * responsible for ensuring that rcu_read_[un]lock() is called. * */ -struct netlbl_domaddr4_map *netlbl_domhsh_getentry_af4(const char *domain, - __be32 addr) +struct netlbl_dommap_def *netlbl_domhsh_getentry_af4(const char *domain, + __be32 addr) { struct netlbl_dom_map *dom_iter; struct netlbl_af4list *addr_iter; @@ -702,15 +700,13 @@ struct netlbl_domaddr4_map *netlbl_domhsh_getentry_af4(const char *domain, dom_iter = netlbl_domhsh_search_def(domain); if (dom_iter == NULL) return NULL; - if (dom_iter->type != NETLBL_NLTYPE_ADDRSELECT) - return NULL; - addr_iter = netlbl_af4list_search(addr, - &dom_iter->type_def.addrsel->list4); + if (dom_iter->def.type != NETLBL_NLTYPE_ADDRSELECT) + return &dom_iter->def; + addr_iter = netlbl_af4list_search(addr, &dom_iter->def.addrsel->list4); if (addr_iter == NULL) return NULL; - - return netlbl_domhsh_addr4_entry(addr_iter); + return &(netlbl_domhsh_addr4_entry(addr_iter)->def); } #if IS_ENABLED(CONFIG_IPV6) @@ -725,7 +721,7 @@ struct netlbl_domaddr4_map *netlbl_domhsh_getentry_af4(const char *domain, * responsible for ensuring that rcu_read_[un]lock() is called. * */ -struct netlbl_domaddr6_map *netlbl_domhsh_getentry_af6(const char *domain, +struct netlbl_dommap_def *netlbl_domhsh_getentry_af6(const char *domain, const struct in6_addr *addr) { struct netlbl_dom_map *dom_iter; @@ -734,15 +730,13 @@ struct netlbl_domaddr6_map *netlbl_domhsh_getentry_af6(const char *domain, dom_iter = netlbl_domhsh_search_def(domain); if (dom_iter == NULL) return NULL; - if (dom_iter->type != NETLBL_NLTYPE_ADDRSELECT) - return NULL; - addr_iter = netlbl_af6list_search(addr, - &dom_iter->type_def.addrsel->list6); + if (dom_iter->def.type != NETLBL_NLTYPE_ADDRSELECT) + return &dom_iter->def; + addr_iter = netlbl_af6list_search(addr, &dom_iter->def.addrsel->list6); if (addr_iter == NULL) return NULL; - - return netlbl_domhsh_addr6_entry(addr_iter); + return &(netlbl_domhsh_addr6_entry(addr_iter)->def); } #endif /* IPv6 */ diff --git a/net/netlabel/netlabel_domainhash.h b/net/netlabel/netlabel_domainhash.h index 90872c4..b9be0ee 100644 --- a/net/netlabel/netlabel_domainhash.h +++ b/net/netlabel/netlabel_domainhash.h @@ -43,37 +43,35 @@ #define NETLBL_DOMHSH_BITSIZE 7 /* Domain mapping definition structures */ +struct netlbl_domaddr_map { + struct list_head list4; + struct list_head list6; +}; +struct netlbl_dommap_def { + u32 type; + union { + struct netlbl_domaddr_map *addrsel; + struct cipso_v4_doi *cipso; + }; +}; #define netlbl_domhsh_addr4_entry(iter) \ container_of(iter, struct netlbl_domaddr4_map, list) struct netlbl_domaddr4_map { - u32 type; - union { - struct cipso_v4_doi *cipsov4; - } type_def; + struct netlbl_dommap_def def; struct netlbl_af4list list; }; #define netlbl_domhsh_addr6_entry(iter) \ container_of(iter, struct netlbl_domaddr6_map, list) struct netlbl_domaddr6_map { - u32 type; - - /* NOTE: no 'type_def' union needed at present since we don't currently - * support any IPv6 labeling protocols */ + struct netlbl_dommap_def def; struct netlbl_af6list list; }; -struct netlbl_domaddr_map { - struct list_head list4; - struct list_head list6; -}; + struct netlbl_dom_map { char *domain; - u32 type; - union { - struct cipso_v4_doi *cipsov4; - struct netlbl_domaddr_map *addrsel; - } type_def; + struct netlbl_dommap_def def; u32 valid; struct list_head list; @@ -97,16 +95,16 @@ int netlbl_domhsh_remove_af4(const char *domain, int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info); int netlbl_domhsh_remove_default(struct netlbl_audit *audit_info); struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain); -struct netlbl_domaddr4_map *netlbl_domhsh_getentry_af4(const char *domain, - __be32 addr); +struct netlbl_dommap_def *netlbl_domhsh_getentry_af4(const char *domain, + __be32 addr); +#if IS_ENABLED(CONFIG_IPV6) +struct netlbl_dommap_def *netlbl_domhsh_getentry_af6(const char *domain, + const struct in6_addr *addr); +#endif /* IPv6 */ + int netlbl_domhsh_walk(u32 *skip_bkt, u32 *skip_chain, int (*callback) (struct netlbl_dom_map *entry, void *arg), void *cb_arg); -#if IS_ENABLED(CONFIG_IPV6) -struct netlbl_domaddr6_map *netlbl_domhsh_getentry_af6(const char *domain, - const struct in6_addr *addr); -#endif /* IPv6 */ - #endif diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 7c94aed..96a458e 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -122,7 +122,7 @@ int netlbl_cfg_unlbl_map_add(const char *domain, } if (addr == NULL && mask == NULL) - entry->type = NETLBL_NLTYPE_UNLABELED; + entry->def.type = NETLBL_NLTYPE_UNLABELED; else if (addr != NULL && mask != NULL) { addrmap = kzalloc(sizeof(*addrmap), GFP_ATOMIC); if (addrmap == NULL) @@ -137,7 +137,7 @@ int netlbl_cfg_unlbl_map_add(const char *domain, map4 = kzalloc(sizeof(*map4), GFP_ATOMIC); if (map4 == NULL) goto cfg_unlbl_map_add_failure; - map4->type = NETLBL_NLTYPE_UNLABELED; + map4->def.type = NETLBL_NLTYPE_UNLABELED; map4->list.addr = addr4->s_addr & mask4->s_addr; map4->list.mask = mask4->s_addr; map4->list.valid = 1; @@ -154,7 +154,7 @@ int netlbl_cfg_unlbl_map_add(const char *domain, map6 = kzalloc(sizeof(*map6), GFP_ATOMIC); if (map6 == NULL) goto cfg_unlbl_map_add_failure; - map6->type = NETLBL_NLTYPE_UNLABELED; + map6->def.type = NETLBL_NLTYPE_UNLABELED; map6->list.addr = *addr6; map6->list.addr.s6_addr32[0] &= mask6->s6_addr32[0]; map6->list.addr.s6_addr32[1] &= mask6->s6_addr32[1]; @@ -174,8 +174,8 @@ int netlbl_cfg_unlbl_map_add(const char *domain, break; } - entry->type_def.addrsel = addrmap; - entry->type = NETLBL_NLTYPE_ADDRSELECT; + entry->def.addrsel = addrmap; + entry->def.type = NETLBL_NLTYPE_ADDRSELECT; } else { ret_val = -EINVAL; goto cfg_unlbl_map_add_failure; @@ -355,8 +355,8 @@ int netlbl_cfg_cipsov4_map_add(u32 doi, } if (addr == NULL && mask == NULL) { - entry->type_def.cipsov4 = doi_def; - entry->type = NETLBL_NLTYPE_CIPSOV4; + entry->def.cipso = doi_def; + entry->def.type = NETLBL_NLTYPE_CIPSOV4; } else if (addr != NULL && mask != NULL) { addrmap = kzalloc(sizeof(*addrmap), GFP_ATOMIC); if (addrmap == NULL) @@ -367,8 +367,8 @@ int netlbl_cfg_cipsov4_map_add(u32 doi, addrinfo = kzalloc(sizeof(*addrinfo), GFP_ATOMIC); if (addrinfo == NULL) goto out_addrinfo; - addrinfo->type_def.cipsov4 = doi_def; - addrinfo->type = NETLBL_NLTYPE_CIPSOV4; + addrinfo->def.cipso = doi_def; + addrinfo->def.type = NETLBL_NLTYPE_CIPSOV4; addrinfo->list.addr = addr->s_addr & mask->s_addr; addrinfo->list.mask = mask->s_addr; addrinfo->list.valid = 1; @@ -376,8 +376,8 @@ int netlbl_cfg_cipsov4_map_add(u32 doi, if (ret_val != 0) goto cfg_cipsov4_map_add_failure; - entry->type_def.addrsel = addrmap; - entry->type = NETLBL_NLTYPE_ADDRSELECT; + entry->def.addrsel = addrmap; + entry->def.type = NETLBL_NLTYPE_ADDRSELECT; } else { ret_val = -EINVAL; goto out_addrmap; @@ -657,14 +657,14 @@ int netlbl_sock_setattr(struct sock *sk, } switch (family) { case AF_INET: - switch (dom_entry->type) { + switch (dom_entry->def.type) { case NETLBL_NLTYPE_ADDRSELECT: ret_val = -EDESTADDRREQ; break; case NETLBL_NLTYPE_CIPSOV4: ret_val = cipso_v4_sock_setattr(sk, - dom_entry->type_def.cipsov4, - secattr); + dom_entry->def.cipso, + secattr); break; case NETLBL_NLTYPE_UNLABELED: ret_val = 0; @@ -754,23 +754,22 @@ int netlbl_conn_setattr(struct sock *sk, { int ret_val; struct sockaddr_in *addr4; - struct netlbl_domaddr4_map *af4_entry; + struct netlbl_dommap_def *entry; rcu_read_lock(); switch (addr->sa_family) { case AF_INET: addr4 = (struct sockaddr_in *)addr; - af4_entry = netlbl_domhsh_getentry_af4(secattr->domain, - addr4->sin_addr.s_addr); - if (af4_entry == NULL) { + entry = netlbl_domhsh_getentry_af4(secattr->domain, + addr4->sin_addr.s_addr); + if (entry == NULL) { ret_val = -ENOENT; goto conn_setattr_return; } - switch (af4_entry->type) { + switch (entry->type) { case NETLBL_NLTYPE_CIPSOV4: ret_val = cipso_v4_sock_setattr(sk, - af4_entry->type_def.cipsov4, - secattr); + entry->cipso, secattr); break; case NETLBL_NLTYPE_UNLABELED: /* just delete the protocols we support for right now @@ -812,36 +811,21 @@ int netlbl_req_setattr(struct request_sock *req, const struct netlbl_lsm_secattr *secattr) { int ret_val; - struct netlbl_dom_map *dom_entry; - struct netlbl_domaddr4_map *af4_entry; - u32 proto_type; - struct cipso_v4_doi *proto_cv4; + struct netlbl_dommap_def *entry; rcu_read_lock(); - dom_entry = netlbl_domhsh_getentry(secattr->domain); - if (dom_entry == NULL) { - ret_val = -ENOENT; - goto req_setattr_return; - } switch (req->rsk_ops->family) { case AF_INET: - if (dom_entry->type == NETLBL_NLTYPE_ADDRSELECT) { - struct inet_request_sock *req_inet = inet_rsk(req); - af4_entry = netlbl_domhsh_getentry_af4(secattr->domain, - req_inet->rmt_addr); - if (af4_entry == NULL) { - ret_val = -ENOENT; - goto req_setattr_return; - } - proto_type = af4_entry->type; - proto_cv4 = af4_entry->type_def.cipsov4; - } else { - proto_type = dom_entry->type; - proto_cv4 = dom_entry->type_def.cipsov4; + entry = netlbl_domhsh_getentry_af4(secattr->domain, + inet_rsk(req)->rmt_addr); + if (entry == NULL) { + ret_val = -ENOENT; + goto req_setattr_return; } - switch (proto_type) { + switch (entry->type) { case NETLBL_NLTYPE_CIPSOV4: - ret_val = cipso_v4_req_setattr(req, proto_cv4, secattr); + ret_val = cipso_v4_req_setattr(req, + entry->cipso, secattr); break; case NETLBL_NLTYPE_UNLABELED: /* just delete the protocols we support for right now @@ -899,23 +883,21 @@ int netlbl_skbuff_setattr(struct sk_buff *skb, { int ret_val; struct iphdr *hdr4; - struct netlbl_domaddr4_map *af4_entry; + struct netlbl_dommap_def *entry; rcu_read_lock(); switch (family) { case AF_INET: hdr4 = ip_hdr(skb); - af4_entry = netlbl_domhsh_getentry_af4(secattr->domain, - hdr4->daddr); - if (af4_entry == NULL) { + entry = netlbl_domhsh_getentry_af4(secattr->domain,hdr4->daddr); + if (entry == NULL) { ret_val = -ENOENT; goto skbuff_setattr_return; } - switch (af4_entry->type) { + switch (entry->type) { case NETLBL_NLTYPE_CIPSOV4: - ret_val = cipso_v4_skbuff_setattr(skb, - af4_entry->type_def.cipsov4, - secattr); + ret_val = cipso_v4_skbuff_setattr(skb, entry->cipso, + secattr); break; case NETLBL_NLTYPE_UNLABELED: /* just delete the protocols we support for right now diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c index c5384ff..dd1c37d 100644 --- a/net/netlabel/netlabel_mgmt.c +++ b/net/netlabel/netlabel_mgmt.c @@ -104,7 +104,7 @@ static int netlbl_mgmt_add_common(struct genl_info *info, ret_val = -ENOMEM; goto add_failure; } - entry->type = nla_get_u32(info->attrs[NLBL_MGMT_A_PROTOCOL]); + entry->def.type = nla_get_u32(info->attrs[NLBL_MGMT_A_PROTOCOL]); if (info->attrs[NLBL_MGMT_A_DOMAIN]) { size_t tmp_size = nla_len(info->attrs[NLBL_MGMT_A_DOMAIN]); entry->domain = kmalloc(tmp_size, GFP_KERNEL); @@ -116,12 +116,12 @@ static int netlbl_mgmt_add_common(struct genl_info *info, info->attrs[NLBL_MGMT_A_DOMAIN], tmp_size); } - /* NOTE: internally we allow/use a entry->type value of + /* NOTE: internally we allow/use a entry->def.type value of * NETLBL_NLTYPE_ADDRSELECT but we don't currently allow users * to pass that as a protocol value because we need to know the * "real" protocol */ - switch (entry->type) { + switch (entry->def.type) { case NETLBL_NLTYPE_UNLABELED: break; case NETLBL_NLTYPE_CIPSOV4: @@ -132,7 +132,7 @@ static int netlbl_mgmt_add_common(struct genl_info *info, cipsov4 = cipso_v4_doi_getdef(tmp_val); if (cipsov4 == NULL) goto add_failure; - entry->type_def.cipsov4 = cipsov4; + entry->def.cipso = cipsov4; break; default: goto add_failure; @@ -172,9 +172,9 @@ static int netlbl_mgmt_add_common(struct genl_info *info, map->list.addr = addr->s_addr & mask->s_addr; map->list.mask = mask->s_addr; map->list.valid = 1; - map->type = entry->type; + map->def.type = entry->def.type; if (cipsov4) - map->type_def.cipsov4 = cipsov4; + map->def.cipso = cipsov4; ret_val = netlbl_af4list_add(&map->list, &addrmap->list4); if (ret_val != 0) { @@ -182,8 +182,8 @@ static int netlbl_mgmt_add_common(struct genl_info *info, goto add_failure; } - entry->type = NETLBL_NLTYPE_ADDRSELECT; - entry->type_def.addrsel = addrmap; + entry->def.type = NETLBL_NLTYPE_ADDRSELECT; + entry->def.addrsel = addrmap; #if IS_ENABLED(CONFIG_IPV6) } else if (info->attrs[NLBL_MGMT_A_IPV6ADDR]) { struct in6_addr *addr; @@ -223,7 +223,7 @@ static int netlbl_mgmt_add_common(struct genl_info *info, map->list.addr.s6_addr32[3] &= mask->s6_addr32[3]; map->list.mask = *mask; map->list.valid = 1; - map->type = entry->type; + map->def.type = entry->def.type; ret_val = netlbl_af6list_add(&map->list, &addrmap->list6); if (ret_val != 0) { @@ -231,8 +231,8 @@ static int netlbl_mgmt_add_common(struct genl_info *info, goto add_failure; } - entry->type = NETLBL_NLTYPE_ADDRSELECT; - entry->type_def.addrsel = addrmap; + entry->def.type = NETLBL_NLTYPE_ADDRSELECT; + entry->def.addrsel = addrmap; #endif /* IPv6 */ } @@ -281,14 +281,13 @@ static int netlbl_mgmt_listentry(struct sk_buff *skb, return ret_val; } - switch (entry->type) { + switch (entry->def.type) { case NETLBL_NLTYPE_ADDRSELECT: nla_a = nla_nest_start(skb, NLBL_MGMT_A_SELECTORLIST); if (nla_a == NULL) return -ENOMEM; - netlbl_af4list_foreach_rcu(iter4, - &entry->type_def.addrsel->list4) { + netlbl_af4list_foreach_rcu(iter4, &entry->def.addrsel->list4) { struct netlbl_domaddr4_map *map4; struct in_addr addr_struct; @@ -310,13 +309,13 @@ static int netlbl_mgmt_listentry(struct sk_buff *skb, return ret_val; map4 = netlbl_domhsh_addr4_entry(iter4); ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL, - map4->type); + map4->def.type); if (ret_val != 0) return ret_val; - switch (map4->type) { + switch (map4->def.type) { case NETLBL_NLTYPE_CIPSOV4: ret_val = nla_put_u32(skb, NLBL_MGMT_A_CV4DOI, - map4->type_def.cipsov4->doi); + map4->def.cipso->doi); if (ret_val != 0) return ret_val; break; @@ -325,8 +324,7 @@ static int netlbl_mgmt_listentry(struct sk_buff *skb, nla_nest_end(skb, nla_b); } #if IS_ENABLED(CONFIG_IPV6) - netlbl_af6list_foreach_rcu(iter6, - &entry->type_def.addrsel->list6) { + netlbl_af6list_foreach_rcu(iter6, &entry->def.addrsel->list6) { struct netlbl_domaddr6_map *map6; nla_b = nla_nest_start(skb, NLBL_MGMT_A_ADDRSELECTOR); @@ -345,7 +343,7 @@ static int netlbl_mgmt_listentry(struct sk_buff *skb, return ret_val; map6 = netlbl_domhsh_addr6_entry(iter6); ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL, - map6->type); + map6->def.type); if (ret_val != 0) return ret_val; @@ -356,14 +354,14 @@ static int netlbl_mgmt_listentry(struct sk_buff *skb, nla_nest_end(skb, nla_a); break; case NETLBL_NLTYPE_UNLABELED: - ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL, entry->type); + ret_val = nla_put_u32(skb,NLBL_MGMT_A_PROTOCOL,entry->def.type); break; case NETLBL_NLTYPE_CIPSOV4: - ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL, entry->type); + ret_val = nla_put_u32(skb,NLBL_MGMT_A_PROTOCOL,entry->def.type); if (ret_val != 0) return ret_val; ret_val = nla_put_u32(skb, NLBL_MGMT_A_CV4DOI, - entry->type_def.cipsov4->doi); + entry->def.cipso->doi); break; } diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index af35319..8f08974 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c @@ -1541,7 +1541,7 @@ int __init netlbl_unlabel_defconf(void) entry = kzalloc(sizeof(*entry), GFP_KERNEL); if (entry == NULL) return -ENOMEM; - entry->type = NETLBL_NLTYPE_UNLABELED; + entry->def.type = NETLBL_NLTYPE_UNLABELED; ret_val = netlbl_domhsh_add_default(entry, &audit_info); if (ret_val != 0) return ret_val; diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 2fd6dbe..f85f8a2 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -571,7 +571,7 @@ static int genl_family_rcv_msg(struct genl_family *family, !capable(CAP_NET_ADMIN)) return -EPERM; - if (nlh->nlmsg_flags & NLM_F_DUMP) { + if ((nlh->nlmsg_flags & NLM_F_DUMP) == NLM_F_DUMP) { struct netlink_dump_control c = { .dump = ops->dumpit, .done = ops->done, @@ -789,6 +789,10 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) struct net *net = sock_net(skb->sk); int chains_to_skip = cb->args[0]; int fams_to_skip = cb->args[1]; + bool need_locking = chains_to_skip || fams_to_skip; + + if (need_locking) + genl_lock(); for (i = chains_to_skip; i < GENL_FAM_TAB_SIZE; i++) { n = 0; @@ -810,6 +814,9 @@ errout: cb->args[0] = i; cb->args[1] = n; + if (need_locking) + genl_unlock(); + return skb->len; } @@ -877,8 +884,10 @@ static int ctrl_getfamily(struct sk_buff *skb, struct genl_info *info) #ifdef CONFIG_MODULES if (res == NULL) { genl_unlock(); + up_read(&cb_lock); request_module("net-pf-%d-proto-%d-family-%s", PF_NETLINK, NETLINK_GENERIC, name); + down_read(&cb_lock); genl_lock(); res = genl_family_find_byname(name); } diff --git a/net/nfc/core.c b/net/nfc/core.c index dc96a83..1d074dd 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -44,7 +44,7 @@ DEFINE_MUTEX(nfc_devlist_mutex); /* NFC device ID bitmap */ static DEFINE_IDA(nfc_index_ida); -int nfc_fw_upload(struct nfc_dev *dev, const char *firmware_name) +int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name) { int rc = 0; @@ -62,28 +62,28 @@ int nfc_fw_upload(struct nfc_dev *dev, const char *firmware_name) goto error; } - if (!dev->ops->fw_upload) { + if (!dev->ops->fw_download) { rc = -EOPNOTSUPP; goto error; } - dev->fw_upload_in_progress = true; - rc = dev->ops->fw_upload(dev, firmware_name); + dev->fw_download_in_progress = true; + rc = dev->ops->fw_download(dev, firmware_name); if (rc) - dev->fw_upload_in_progress = false; + dev->fw_download_in_progress = false; error: device_unlock(&dev->dev); return rc; } -int nfc_fw_upload_done(struct nfc_dev *dev, const char *firmware_name) +int nfc_fw_download_done(struct nfc_dev *dev, const char *firmware_name) { - dev->fw_upload_in_progress = false; + dev->fw_download_in_progress = false; - return nfc_genl_fw_upload_done(dev, firmware_name); + return nfc_genl_fw_download_done(dev, firmware_name); } -EXPORT_SYMBOL(nfc_fw_upload_done); +EXPORT_SYMBOL(nfc_fw_download_done); /** * nfc_dev_up - turn on the NFC device @@ -110,7 +110,7 @@ int nfc_dev_up(struct nfc_dev *dev) goto error; } - if (dev->fw_upload_in_progress) { + if (dev->fw_download_in_progress) { rc = -EBUSY; goto error; } diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c index 7b1c186..fe66908 100644 --- a/net/nfc/hci/core.c +++ b/net/nfc/hci/core.c @@ -809,14 +809,14 @@ static void nfc_hci_recv_from_llc(struct nfc_hci_dev *hdev, struct sk_buff *skb) } } -static int hci_fw_upload(struct nfc_dev *nfc_dev, const char *firmware_name) +static int hci_fw_download(struct nfc_dev *nfc_dev, const char *firmware_name) { struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev); - if (!hdev->ops->fw_upload) + if (!hdev->ops->fw_download) return -ENOTSUPP; - return hdev->ops->fw_upload(hdev, firmware_name); + return hdev->ops->fw_download(hdev, firmware_name); } static struct nfc_ops hci_nfc_ops = { @@ -831,7 +831,7 @@ static struct nfc_ops hci_nfc_ops = { .im_transceive = hci_transceive, .tm_send = hci_tm_send, .check_presence = hci_check_presence, - .fw_upload = hci_fw_upload, + .fw_download = hci_fw_download, .discover_se = hci_discover_se, .enable_se = hci_enable_se, .disable_se = hci_disable_se, diff --git a/net/nfc/nci/Kconfig b/net/nfc/nci/Kconfig index 2a24160..a4f1e42 100644 --- a/net/nfc/nci/Kconfig +++ b/net/nfc/nci/Kconfig @@ -11,6 +11,7 @@ config NFC_NCI config NFC_NCI_SPI depends on NFC_NCI && SPI + select CRC_CCITT bool "NCI over SPI protocol support" default n help diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index b05ad90..f16fd59 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -1089,7 +1089,7 @@ exit: return rc; } -static int nfc_genl_fw_upload(struct sk_buff *skb, struct genl_info *info) +static int nfc_genl_fw_download(struct sk_buff *skb, struct genl_info *info) { struct nfc_dev *dev; int rc; @@ -1108,13 +1108,13 @@ static int nfc_genl_fw_upload(struct sk_buff *skb, struct genl_info *info) nla_strlcpy(firmware_name, info->attrs[NFC_ATTR_FIRMWARE_NAME], sizeof(firmware_name)); - rc = nfc_fw_upload(dev, firmware_name); + rc = nfc_fw_download(dev, firmware_name); nfc_put_device(dev); return rc; } -int nfc_genl_fw_upload_done(struct nfc_dev *dev, const char *firmware_name) +int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name) { struct sk_buff *msg; void *hdr; @@ -1124,7 +1124,7 @@ int nfc_genl_fw_upload_done(struct nfc_dev *dev, const char *firmware_name) return -ENOMEM; hdr = genlmsg_put(msg, 0, 0, &nfc_genl_family, 0, - NFC_CMD_FW_UPLOAD); + NFC_CMD_FW_DOWNLOAD); if (!hdr) goto free_msg; @@ -1251,8 +1251,8 @@ static struct genl_ops nfc_genl_ops[] = { .policy = nfc_genl_policy, }, { - .cmd = NFC_CMD_FW_UPLOAD, - .doit = nfc_genl_fw_upload, + .cmd = NFC_CMD_FW_DOWNLOAD, + .doit = nfc_genl_fw_download, .policy = nfc_genl_policy, }, { diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h index ee85a1f..820a785 100644 --- a/net/nfc/nfc.h +++ b/net/nfc/nfc.h @@ -123,10 +123,10 @@ static inline void nfc_device_iter_exit(struct class_dev_iter *iter) class_dev_iter_exit(iter); } -int nfc_fw_upload(struct nfc_dev *dev, const char *firmware_name); -int nfc_genl_fw_upload_done(struct nfc_dev *dev, const char *firmware_name); +int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name); +int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name); -int nfc_fw_upload_done(struct nfc_dev *dev, const char *firmware_name); +int nfc_fw_download_done(struct nfc_dev *dev, const char *firmware_name); int nfc_dev_up(struct nfc_dev *dev); diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 22c5f39..ab101f7 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -535,6 +535,7 @@ int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb) { struct sw_flow_actions *acts = rcu_dereference(OVS_CB(skb)->flow->sf_acts); + OVS_CB(skb)->tun_key = NULL; return do_execute_actions(dp, skb, acts->actions, acts->actions_len, false); } diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index f7e3a0d..f2ed760 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -2076,9 +2076,6 @@ static int ovs_vport_cmd_set(struct sk_buff *skb, struct genl_info *info) ovs_notify(reply, info, &ovs_dp_vport_multicast_group); return 0; - rtnl_unlock(); - return 0; - exit_free: kfree_skb(reply); exit_unlock: diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 5c519b1..1aa84dc 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -240,7 +240,7 @@ static struct flex_array *alloc_buckets(unsigned int n_buckets) struct flex_array *buckets; int i, err; - buckets = flex_array_alloc(sizeof(struct hlist_head *), + buckets = flex_array_alloc(sizeof(struct hlist_head), n_buckets, GFP_KERNEL); if (!buckets) return NULL; diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 281c1bd..51b968d 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -285,6 +285,45 @@ static struct Qdisc_ops *qdisc_lookup_ops(struct nlattr *kind) return q; } +/* The linklayer setting were not transferred from iproute2, in older + * versions, and the rate tables lookup systems have been dropped in + * the kernel. To keep backward compatible with older iproute2 tc + * utils, we detect the linklayer setting by detecting if the rate + * table were modified. + * + * For linklayer ATM table entries, the rate table will be aligned to + * 48 bytes, thus some table entries will contain the same value. The + * mpu (min packet unit) is also encoded into the old rate table, thus + * starting from the mpu, we find low and high table entries for + * mapping this cell. If these entries contain the same value, when + * the rate tables have been modified for linklayer ATM. + * + * This is done by rounding mpu to the nearest 48 bytes cell/entry, + * and then roundup to the next cell, calc the table entry one below, + * and compare. + */ +static __u8 __detect_linklayer(struct tc_ratespec *r, __u32 *rtab) +{ + int low = roundup(r->mpu, 48); + int high = roundup(low+1, 48); + int cell_low = low >> r->cell_log; + int cell_high = (high >> r->cell_log) - 1; + + /* rtab is too inaccurate at rates > 100Mbit/s */ + if ((r->rate > (100000000/8)) || (rtab[0] == 0)) { + pr_debug("TC linklayer: Giving up ATM detection\n"); + return TC_LINKLAYER_ETHERNET; + } + + if ((cell_high > cell_low) && (cell_high < 256) + && (rtab[cell_low] == rtab[cell_high])) { + pr_debug("TC linklayer: Detected ATM, low(%d)=high(%d)=%u\n", + cell_low, cell_high, rtab[cell_high]); + return TC_LINKLAYER_ATM; + } + return TC_LINKLAYER_ETHERNET; +} + static struct qdisc_rate_table *qdisc_rtab_list; struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r, struct nlattr *tab) @@ -308,6 +347,8 @@ struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r, struct nlattr *ta rtab->rate = *r; rtab->refcnt = 1; memcpy(rtab->data, nla_data(tab), 1024); + if (r->linklayer == TC_LINKLAYER_UNAWARE) + r->linklayer = __detect_linklayer(r, rtab->data); rtab->next = qdisc_rtab_list; qdisc_rtab_list = rtab; } diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index ca8e0a5..1f9c314 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -605,6 +605,7 @@ static int atm_tc_dump_class(struct Qdisc *sch, unsigned long cl, struct sockaddr_atmpvc pvc; int state; + memset(&pvc, 0, sizeof(pvc)); pvc.sap_family = AF_ATMPVC; pvc.sap_addr.itf = flow->vcc->dev ? flow->vcc->dev->number : -1; pvc.sap_addr.vpi = flow->vcc->vpi; diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 71a5688..7a42c81 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1465,6 +1465,7 @@ static int cbq_dump_wrr(struct sk_buff *skb, struct cbq_class *cl) unsigned char *b = skb_tail_pointer(skb); struct tc_cbq_wrropt opt; + memset(&opt, 0, sizeof(opt)); opt.flags = 0; opt.allot = cl->allot; opt.priority = cl->priority + 1; diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 4626cef..48be3d5 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -25,6 +25,7 @@ #include <linux/rcupdate.h> #include <linux/list.h> #include <linux/slab.h> +#include <linux/if_vlan.h> #include <net/sch_generic.h> #include <net/pkt_sched.h> #include <net/dst.h> @@ -207,15 +208,19 @@ void __qdisc_run(struct Qdisc *q) unsigned long dev_trans_start(struct net_device *dev) { - unsigned long val, res = dev->trans_start; + unsigned long val, res; unsigned int i; + if (is_vlan_dev(dev)) + dev = vlan_dev_real_dev(dev); + res = dev->trans_start; for (i = 0; i < dev->num_tx_queues; i++) { val = netdev_get_tx_queue(dev, i)->trans_start; if (val && time_after(val, res)) res = val; } dev->trans_start = res; + return res; } EXPORT_SYMBOL(dev_trans_start); @@ -904,6 +909,7 @@ void psched_ratecfg_precompute(struct psched_ratecfg *r, memset(r, 0, sizeof(*r)); r->overhead = conf->overhead; r->rate_bytes_ps = conf->rate; + r->linklayer = (conf->linklayer & TC_LINKLAYER_MASK); r->mult = 1; /* * The deal here is to replace a divide by a reciprocal one diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index c2124ea..c2178b1 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -100,7 +100,7 @@ struct htb_class { struct psched_ratecfg ceil; s64 buffer, cbuffer;/* token bucket depth/rate */ s64 mbuffer; /* max wait time */ - int prio; /* these two are used only by leaves... */ + u32 prio; /* these two are used only by leaves... */ int quantum; /* but stored for parent-to-leaf return */ struct tcf_proto *filter_list; /* class attached filters */ @@ -1329,6 +1329,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid, struct htb_sched *q = qdisc_priv(sch); struct htb_class *cl = (struct htb_class *)*arg, *parent; struct nlattr *opt = tca[TCA_OPTIONS]; + struct qdisc_rate_table *rtab = NULL, *ctab = NULL; struct nlattr *tb[TCA_HTB_MAX + 1]; struct tc_htb_opt *hopt; @@ -1350,6 +1351,18 @@ static int htb_change_class(struct Qdisc *sch, u32 classid, if (!hopt->rate.rate || !hopt->ceil.rate) goto failure; + /* Keeping backward compatible with rate_table based iproute2 tc */ + if (hopt->rate.linklayer == TC_LINKLAYER_UNAWARE) { + rtab = qdisc_get_rtab(&hopt->rate, tb[TCA_HTB_RTAB]); + if (rtab) + qdisc_put_rtab(rtab); + } + if (hopt->ceil.linklayer == TC_LINKLAYER_UNAWARE) { + ctab = qdisc_get_rtab(&hopt->ceil, tb[TCA_HTB_CTAB]); + if (ctab) + qdisc_put_rtab(ctab); + } + if (!cl) { /* new class */ struct Qdisc *new_q; int prio; diff --git a/net/sctp/associola.c b/net/sctp/associola.c index bce5b79..ab67efc 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -846,12 +846,12 @@ void sctp_assoc_control_transport(struct sctp_association *asoc, else spc_state = SCTP_ADDR_AVAILABLE; /* Don't inform ULP about transition from PF to - * active state and set cwnd to 1, see SCTP + * active state and set cwnd to 1 MTU, see SCTP * Quick failover draft section 5.1, point 5 */ if (transport->state == SCTP_PF) { ulp_notify = false; - transport->cwnd = 1; + transport->cwnd = asoc->pathmtu; } transport->state = SCTP_ACTIVE; break; diff --git a/net/sctp/transport.c b/net/sctp/transport.c index bdbbc3f..8fdd160 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -181,12 +181,12 @@ static void sctp_transport_destroy(struct sctp_transport *transport) return; } - call_rcu(&transport->rcu, sctp_transport_destroy_rcu); - sctp_packet_free(&transport->packet); if (transport->asoc) sctp_association_put(transport->asoc); + + call_rcu(&transport->rcu, sctp_transport_destroy_rcu); } /* Start T3_rtx timer if it is not already running and update the heartbeat diff --git a/net/socket.c b/net/socket.c index 829b460..b2d7c62 100644 --- a/net/socket.c +++ b/net/socket.c @@ -106,7 +106,7 @@ #include <linux/atalk.h> #include <net/busy_poll.h> -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned int sysctl_net_busy_read __read_mostly; unsigned int sysctl_net_busy_poll __read_mostly; #endif diff --git a/net/sunrpc/auth_gss/gss_rpc_upcall.c b/net/sunrpc/auth_gss/gss_rpc_upcall.c index d304f41..af7ffd4 100644 --- a/net/sunrpc/auth_gss/gss_rpc_upcall.c +++ b/net/sunrpc/auth_gss/gss_rpc_upcall.c @@ -120,7 +120,7 @@ static int gssp_rpc_create(struct net *net, struct rpc_clnt **_clnt) if (IS_ERR(clnt)) { dprintk("RPC: failed to create AF_LOCAL gssproxy " "client (errno %ld).\n", PTR_ERR(clnt)); - result = -PTR_ERR(clnt); + result = PTR_ERR(clnt); *_clnt = NULL; goto out; } @@ -328,7 +328,6 @@ void gssp_free_upcall_data(struct gssp_upcall_data *data) kfree(data->in_handle.data); kfree(data->out_handle.data); kfree(data->out_token.data); - kfree(data->mech_oid.data); free_svc_cred(&data->creds); } diff --git a/net/sunrpc/auth_gss/gss_rpc_xdr.c b/net/sunrpc/auth_gss/gss_rpc_xdr.c index 357f613..3c85d1c 100644 --- a/net/sunrpc/auth_gss/gss_rpc_xdr.c +++ b/net/sunrpc/auth_gss/gss_rpc_xdr.c @@ -430,7 +430,7 @@ static int dummy_enc_nameattr_array(struct xdr_stream *xdr, static int dummy_dec_nameattr_array(struct xdr_stream *xdr, struct gssx_name_attr_array *naa) { - struct gssx_name_attr dummy; + struct gssx_name_attr dummy = { .attr = {.len = 0} }; u32 count, i; __be32 *p; @@ -493,12 +493,13 @@ static int gssx_enc_name(struct xdr_stream *xdr, return err; } + static int gssx_dec_name(struct xdr_stream *xdr, struct gssx_name *name) { - struct xdr_netobj dummy_netobj; - struct gssx_name_attr_array dummy_name_attr_array; - struct gssx_option_array dummy_option_array; + struct xdr_netobj dummy_netobj = { .len = 0 }; + struct gssx_name_attr_array dummy_name_attr_array = { .count = 0 }; + struct gssx_option_array dummy_option_array = { .count = 0 }; int err; /* name->display_name */ diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index d0347d1..09fb638 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1180,6 +1180,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd, gm = gss_mech_get_by_OID(&ud->mech_oid); if (!gm) goto out; + rsci.cred.cr_gss_mech = gm; status = -EINVAL; /* mech-specific data: */ @@ -1195,7 +1196,6 @@ static int gss_proxy_save_rsc(struct cache_detail *cd, rscp = rsc_update(cd, &rsci, rscp); status = 0; out: - gss_mech_put(gm); rsc_free(&rsci); if (rscp) cache_put(&rscp->h, cd); diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 74f6a70..ecbc4e3 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1660,6 +1660,10 @@ call_connect(struct rpc_task *task) task->tk_action = call_connect_status; if (task->tk_status < 0) return; + if (task->tk_flags & RPC_TASK_NOCONNECT) { + rpc_exit(task, -ENOTCONN); + return; + } xprt_connect(task); } } diff --git a/net/sunrpc/netns.h b/net/sunrpc/netns.h index 74d948f..779742c 100644 --- a/net/sunrpc/netns.h +++ b/net/sunrpc/netns.h @@ -23,6 +23,7 @@ struct sunrpc_net { struct rpc_clnt *rpcb_local_clnt4; spinlock_t rpcb_clnt_lock; unsigned int rpcb_users; + unsigned int rpcb_is_af_local : 1; struct mutex gssp_lock; wait_queue_head_t gssp_wq; diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index 3df764d..1891a10 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -204,13 +204,15 @@ void rpcb_put_local(struct net *net) } static void rpcb_set_local(struct net *net, struct rpc_clnt *clnt, - struct rpc_clnt *clnt4) + struct rpc_clnt *clnt4, + bool is_af_local) { struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); /* Protected by rpcb_create_local_mutex */ sn->rpcb_local_clnt = clnt; sn->rpcb_local_clnt4 = clnt4; + sn->rpcb_is_af_local = is_af_local ? 1 : 0; smp_wmb(); sn->rpcb_users = 1; dprintk("RPC: created new rpcb local clients (rpcb_local_clnt: " @@ -238,6 +240,14 @@ static int rpcb_create_local_unix(struct net *net) .program = &rpcb_program, .version = RPCBVERS_2, .authflavor = RPC_AUTH_NULL, + /* + * We turn off the idle timeout to prevent the kernel + * from automatically disconnecting the socket. + * Otherwise, we'd have to cache the mount namespace + * of the caller and somehow pass that to the socket + * reconnect code. + */ + .flags = RPC_CLNT_CREATE_NO_IDLE_TIMEOUT, }; struct rpc_clnt *clnt, *clnt4; int result = 0; @@ -263,7 +273,7 @@ static int rpcb_create_local_unix(struct net *net) clnt4 = NULL; } - rpcb_set_local(net, clnt, clnt4); + rpcb_set_local(net, clnt, clnt4, true); out: return result; @@ -315,7 +325,7 @@ static int rpcb_create_local_net(struct net *net) clnt4 = NULL; } - rpcb_set_local(net, clnt, clnt4); + rpcb_set_local(net, clnt, clnt4, false); out: return result; @@ -376,13 +386,16 @@ static struct rpc_clnt *rpcb_create(struct net *net, const char *hostname, return rpc_create(&args); } -static int rpcb_register_call(struct rpc_clnt *clnt, struct rpc_message *msg) +static int rpcb_register_call(struct sunrpc_net *sn, struct rpc_clnt *clnt, struct rpc_message *msg, bool is_set) { - int result, error = 0; + int flags = RPC_TASK_NOCONNECT; + int error, result = 0; + if (is_set || !sn->rpcb_is_af_local) + flags = RPC_TASK_SOFTCONN; msg->rpc_resp = &result; - error = rpc_call_sync(clnt, msg, RPC_TASK_SOFTCONN); + error = rpc_call_sync(clnt, msg, flags); if (error < 0) { dprintk("RPC: failed to contact local rpcbind " "server (errno %d).\n", -error); @@ -439,16 +452,19 @@ int rpcb_register(struct net *net, u32 prog, u32 vers, int prot, unsigned short .rpc_argp = &map, }; struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); + bool is_set = false; dprintk("RPC: %sregistering (%u, %u, %d, %u) with local " "rpcbind\n", (port ? "" : "un"), prog, vers, prot, port); msg.rpc_proc = &rpcb_procedures2[RPCBPROC_UNSET]; - if (port) + if (port != 0) { msg.rpc_proc = &rpcb_procedures2[RPCBPROC_SET]; + is_set = true; + } - return rpcb_register_call(sn->rpcb_local_clnt, &msg); + return rpcb_register_call(sn, sn->rpcb_local_clnt, &msg, is_set); } /* @@ -461,6 +477,7 @@ static int rpcb_register_inet4(struct sunrpc_net *sn, const struct sockaddr_in *sin = (const struct sockaddr_in *)sap; struct rpcbind_args *map = msg->rpc_argp; unsigned short port = ntohs(sin->sin_port); + bool is_set = false; int result; map->r_addr = rpc_sockaddr2uaddr(sap, GFP_KERNEL); @@ -471,10 +488,12 @@ static int rpcb_register_inet4(struct sunrpc_net *sn, map->r_addr, map->r_netid); msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET]; - if (port) + if (port != 0) { msg->rpc_proc = &rpcb_procedures4[RPCBPROC_SET]; + is_set = true; + } - result = rpcb_register_call(sn->rpcb_local_clnt4, msg); + result = rpcb_register_call(sn, sn->rpcb_local_clnt4, msg, is_set); kfree(map->r_addr); return result; } @@ -489,6 +508,7 @@ static int rpcb_register_inet6(struct sunrpc_net *sn, const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sap; struct rpcbind_args *map = msg->rpc_argp; unsigned short port = ntohs(sin6->sin6_port); + bool is_set = false; int result; map->r_addr = rpc_sockaddr2uaddr(sap, GFP_KERNEL); @@ -499,10 +519,12 @@ static int rpcb_register_inet6(struct sunrpc_net *sn, map->r_addr, map->r_netid); msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET]; - if (port) + if (port != 0) { msg->rpc_proc = &rpcb_procedures4[RPCBPROC_SET]; + is_set = true; + } - result = rpcb_register_call(sn->rpcb_local_clnt4, msg); + result = rpcb_register_call(sn, sn->rpcb_local_clnt4, msg, is_set); kfree(map->r_addr); return result; } @@ -519,7 +541,7 @@ static int rpcb_unregister_all_protofamilies(struct sunrpc_net *sn, map->r_addr = ""; msg->rpc_proc = &rpcb_procedures4[RPCBPROC_UNSET]; - return rpcb_register_call(sn->rpcb_local_clnt4, msg); + return rpcb_register_call(sn, sn->rpcb_local_clnt4, msg, false); } /** diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 305374d..7762b9f 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1193,7 +1193,9 @@ static int svc_tcp_has_wspace(struct svc_xprt *xprt) if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) return 1; required = atomic_read(&xprt->xpt_reserved) + serv->sv_max_mesg; - if (sk_stream_wspace(svsk->sk_sk) >= required) + if (sk_stream_wspace(svsk->sk_sk) >= required || + (sk_stream_min_wspace(svsk->sk_sk) == 0 && + atomic_read(&xprt->xpt_reserved) == 0)) return 1; set_bit(SOCK_NOSPACE, &svsk->sk_sock->flags); return 0; diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index cb29ef7..609c30c 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -460,6 +460,7 @@ static void bearer_disable(struct tipc_bearer *b_ptr) { struct tipc_link *l_ptr; struct tipc_link *temp_l_ptr; + struct tipc_link_req *temp_req; pr_info("Disabling bearer <%s>\n", b_ptr->name); spin_lock_bh(&b_ptr->lock); @@ -468,9 +469,13 @@ static void bearer_disable(struct tipc_bearer *b_ptr) list_for_each_entry_safe(l_ptr, temp_l_ptr, &b_ptr->links, link_list) { tipc_link_delete(l_ptr); } - if (b_ptr->link_req) - tipc_disc_delete(b_ptr->link_req); + temp_req = b_ptr->link_req; + b_ptr->link_req = NULL; spin_unlock_bh(&b_ptr->lock); + + if (temp_req) + tipc_disc_delete(temp_req); + memset(b_ptr, 0, sizeof(struct tipc_bearer)); } diff --git a/net/tipc/server.c b/net/tipc/server.c index 19da5abe..fd3fa57 100644 --- a/net/tipc/server.c +++ b/net/tipc/server.c @@ -355,8 +355,12 @@ static int tipc_open_listening_sock(struct tipc_server *s) return PTR_ERR(con); sock = tipc_create_listen_sock(con); - if (!sock) + if (!sock) { + idr_remove(&s->conn_idr, con->conid); + s->idr_in_use--; + kfree(con); return -EINVAL; + } tipc_register_callbacks(sock, con); return 0; @@ -563,9 +567,14 @@ int tipc_server_start(struct tipc_server *s) kmem_cache_destroy(s->rcvbuf_cache); return ret; } + ret = tipc_open_listening_sock(s); + if (ret < 0) { + tipc_work_stop(s); + kmem_cache_destroy(s->rcvbuf_cache); + return ret; + } s->enabled = 1; - - return tipc_open_listening_sock(s); + return ret; } void tipc_server_stop(struct tipc_server *s) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 593071d..4d93346 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -347,7 +347,7 @@ void vsock_for_each_connected_socket(void (*fn)(struct sock *sk)) for (i = 0; i < ARRAY_SIZE(vsock_connected_table); i++) { struct vsock_sock *vsk; list_for_each_entry(vsk, &vsock_connected_table[i], - connected_table); + connected_table) fn(sk_vsock(vsk)); } diff --git a/net/wireless/core.c b/net/wireless/core.c index 4f9f216..a8c29fa 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -765,6 +765,7 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev, cfg80211_leave_mesh(rdev, dev); break; case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: cfg80211_stop_ap(rdev, dev); break; default: diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 1cc47ac..3fcba69 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -441,10 +441,12 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb, goto out_unlock; } *rdev = wiphy_to_dev((*wdev)->wiphy); - cb->args[0] = (*rdev)->wiphy_idx; + /* 0 is the first index - add 1 to parse only once */ + cb->args[0] = (*rdev)->wiphy_idx + 1; cb->args[1] = (*wdev)->identifier; } else { - struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0]); + /* subtract the 1 again here */ + struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); struct wireless_dev *tmp; if (!wiphy) { @@ -4770,9 +4772,9 @@ do { \ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, mask, NL80211_MESHCONF_FORWARDING, nla_get_u8); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, 1, 255, + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, mask, NL80211_MESHCONF_RSSI_THRESHOLD, - nla_get_u32); + nla_get_s32); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16, mask, NL80211_MESHCONF_HT_OPMODE, nla_get_u16); @@ -6613,12 +6615,14 @@ EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb); void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp) { + struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; void *hdr = ((void **)skb->cb)[1]; struct nlattr *data = ((void **)skb->cb)[2]; nla_nest_end(skb, data); genlmsg_end(skb, hdr); - genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp); + genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0, + nl80211_testmode_mcgrp.id, gfp); } EXPORT_SYMBOL(cfg80211_testmode_event); #endif @@ -10064,7 +10068,8 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, genlmsg_end(msg, hdr); - genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp); + genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, + nl80211_mlme_mcgrp.id, gfp); return; nla_put_failure: diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 5a24c98..de06d5d 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2247,10 +2247,13 @@ int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env) void wiphy_regulatory_register(struct wiphy *wiphy) { + struct regulatory_request *lr; + if (!reg_dev_ignore_cell_hint(wiphy)) reg_num_devs_support_basehint++; - wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE); + lr = get_last_request(); + wiphy_update_regulatory(wiphy, lr->initiator); } void wiphy_regulatory_deregister(struct wiphy *wiphy) @@ -2279,7 +2282,9 @@ void wiphy_regulatory_deregister(struct wiphy *wiphy) static void reg_timeout_work(struct work_struct *work) { REG_DBG_PRINT("Timeout while waiting for CRDA to reply, restoring regulatory settings\n"); + rtnl_lock(); restore_regulatory_settings(true); + rtnl_unlock(); } int __init regulatory_init(void) diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 1d3cfb1..81c8a10 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -34,8 +34,10 @@ struct cfg80211_conn { CFG80211_CONN_SCAN_AGAIN, CFG80211_CONN_AUTHENTICATE_NEXT, CFG80211_CONN_AUTHENTICATING, + CFG80211_CONN_AUTH_FAILED, CFG80211_CONN_ASSOCIATE_NEXT, CFG80211_CONN_ASSOCIATING, + CFG80211_CONN_ASSOC_FAILED, CFG80211_CONN_DEAUTH, CFG80211_CONN_CONNECTED, } state; @@ -164,6 +166,8 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev) NULL, 0, params->key, params->key_len, params->key_idx, NULL, 0); + case CFG80211_CONN_AUTH_FAILED: + return -ENOTCONN; case CFG80211_CONN_ASSOCIATE_NEXT: BUG_ON(!rdev->ops->assoc); wdev->conn->state = CFG80211_CONN_ASSOCIATING; @@ -188,10 +192,17 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev) WLAN_REASON_DEAUTH_LEAVING, false); return err; + case CFG80211_CONN_ASSOC_FAILED: + cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, + NULL, 0, + WLAN_REASON_DEAUTH_LEAVING, false); + return -ENOTCONN; case CFG80211_CONN_DEAUTH: cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, NULL, 0, WLAN_REASON_DEAUTH_LEAVING, false); + /* free directly, disconnected event already sent */ + cfg80211_sme_free(wdev); return 0; default: return 0; @@ -371,7 +382,7 @@ bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status) return true; } - wdev->conn->state = CFG80211_CONN_DEAUTH; + wdev->conn->state = CFG80211_CONN_ASSOC_FAILED; schedule_work(&rdev->conn_work); return false; } @@ -383,7 +394,13 @@ void cfg80211_sme_deauth(struct wireless_dev *wdev) void cfg80211_sme_auth_timeout(struct wireless_dev *wdev) { - cfg80211_sme_free(wdev); + struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + + if (!wdev->conn) + return; + + wdev->conn->state = CFG80211_CONN_AUTH_FAILED; + schedule_work(&rdev->conn_work); } void cfg80211_sme_disassoc(struct wireless_dev *wdev) @@ -399,7 +416,13 @@ void cfg80211_sme_disassoc(struct wireless_dev *wdev) void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev) { - cfg80211_sme_disassoc(wdev); + struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + + if (!wdev->conn) + return; + + wdev->conn->state = CFG80211_CONN_ASSOC_FAILED; + schedule_work(&rdev->conn_work); } static int cfg80211_sme_connect(struct wireless_dev *wdev, diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 3f7682a..eefbd10 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1998,12 +1998,11 @@ static void smk_ipv6_port_label(struct socket *sock, struct sockaddr *address) * * Create or update the port list entry */ -static int smk_ipv6_port_check(struct sock *sk, struct sockaddr *address, +static int smk_ipv6_port_check(struct sock *sk, struct sockaddr_in6 *address, int act) { __be16 *bep; __be32 *be32p; - struct sockaddr_in6 *addr6; struct smk_port_label *spp; struct socket_smack *ssp = sk->sk_security; struct smack_known *skp; @@ -2025,10 +2024,9 @@ static int smk_ipv6_port_check(struct sock *sk, struct sockaddr *address, /* * Get the IP address and port from the address. */ - addr6 = (struct sockaddr_in6 *)address; - port = ntohs(addr6->sin6_port); - bep = (__be16 *)(&addr6->sin6_addr); - be32p = (__be32 *)(&addr6->sin6_addr); + port = ntohs(address->sin6_port); + bep = (__be16 *)(&address->sin6_addr); + be32p = (__be32 *)(&address->sin6_addr); /* * It's remote, so port lookup does no good. @@ -2060,9 +2058,9 @@ auditout: ad.a.u.net->family = sk->sk_family; ad.a.u.net->dport = port; if (act == SMK_RECEIVING) - ad.a.u.net->v6info.saddr = addr6->sin6_addr; + ad.a.u.net->v6info.saddr = address->sin6_addr; else - ad.a.u.net->v6info.daddr = addr6->sin6_addr; + ad.a.u.net->v6info.daddr = address->sin6_addr; #endif return smk_access(skp, object, MAY_WRITE, &ad); } @@ -2201,7 +2199,8 @@ static int smack_socket_connect(struct socket *sock, struct sockaddr *sap, case PF_INET6: if (addrlen < sizeof(struct sockaddr_in6)) return -EINVAL; - rc = smk_ipv6_port_check(sock->sk, sap, SMK_CONNECTING); + rc = smk_ipv6_port_check(sock->sk, (struct sockaddr_in6 *)sap, + SMK_CONNECTING); break; } return rc; @@ -3034,7 +3033,7 @@ static int smack_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) { struct sockaddr_in *sip = (struct sockaddr_in *) msg->msg_name; - struct sockaddr *sap = (struct sockaddr *) msg->msg_name; + struct sockaddr_in6 *sap = (struct sockaddr_in6 *) msg->msg_name; int rc = 0; /* @@ -3121,9 +3120,8 @@ static struct smack_known *smack_from_secattr(struct netlbl_lsm_secattr *sap, return smack_net_ambient; } -static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr *sap) +static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr_in6 *sip) { - struct sockaddr_in6 *sip = (struct sockaddr_in6 *)sap; u8 nexthdr; int offset; int proto = -EINVAL; @@ -3181,7 +3179,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) struct netlbl_lsm_secattr secattr; struct socket_smack *ssp = sk->sk_security; struct smack_known *skp; - struct sockaddr sadd; + struct sockaddr_in6 sadd; int rc = 0; struct smk_audit_info ad; #ifdef CONFIG_AUDIT diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index 99db892..9896954 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -743,7 +743,7 @@ static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg) mutex_lock(&stream->device->lock); switch (_IOC_NR(cmd)) { case _IOC_NR(SNDRV_COMPRESS_IOCTL_VERSION): - put_user(SNDRV_COMPRESS_VERSION, + retval = put_user(SNDRV_COMPRESS_VERSION, (int __user *)arg) ? -EFAULT : 0; break; case _IOC_NR(SNDRV_COMPRESS_GET_CAPS): diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c index 7c11d46..48a9d00 100644 --- a/sound/pci/hda/hda_auto_parser.c +++ b/sound/pci/hda/hda_auto_parser.c @@ -860,7 +860,7 @@ void snd_hda_pick_fixup(struct hda_codec *codec, } } if (id < 0 && quirk) { - for (q = quirk; q->subvendor; q++) { + for (q = quirk; q->subvendor || q->subdevice; q++) { unsigned int vendorid = q->subdevice | (q->subvendor << 16); unsigned int mask = 0xffff0000 | q->subdevice_mask; diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 8e77cbb..e3c7ba8 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -522,7 +522,7 @@ static bool same_amp_caps(struct hda_codec *codec, hda_nid_t nid1, } #define nid_has_mute(codec, nid, dir) \ - check_amp_caps(codec, nid, dir, AC_AMPCAP_MUTE) + check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) #define nid_has_volume(codec, nid, dir) \ check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS) @@ -624,7 +624,7 @@ static int get_amp_val_to_activate(struct hda_codec *codec, hda_nid_t nid, if (enable) val = (caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; } - if (caps & AC_AMPCAP_MUTE) { + if (caps & (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) { if (!enable) val |= HDA_AMP_MUTE; } @@ -648,7 +648,7 @@ static unsigned int get_amp_mask_to_modify(struct hda_codec *codec, { unsigned int mask = 0xff; - if (caps & AC_AMPCAP_MUTE) { + if (caps & (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) { if (is_ctl_associated(codec, nid, dir, idx, NID_PATH_MUTE_CTL)) mask &= ~0x80; } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 8bd2261..f303cd8 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1031,6 +1031,7 @@ enum { ALC880_FIXUP_GPIO2, ALC880_FIXUP_MEDION_RIM, ALC880_FIXUP_LG, + ALC880_FIXUP_LG_LW25, ALC880_FIXUP_W810, ALC880_FIXUP_EAPD_COEF, ALC880_FIXUP_TCL_S700, @@ -1089,6 +1090,14 @@ static const struct hda_fixup alc880_fixups[] = { { } } }, + [ALC880_FIXUP_LG_LW25] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x1a, 0x0181344f }, /* line-in */ + { 0x1b, 0x0321403f }, /* headphone */ + { } + } + }, [ALC880_FIXUP_W810] = { .type = HDA_FIXUP_PINS, .v.pins = (const struct hda_pintbl[]) { @@ -1341,6 +1350,7 @@ static const struct snd_pci_quirk alc880_fixup_tbl[] = { SND_PCI_QUIRK(0x1854, 0x003b, "LG", ALC880_FIXUP_LG), SND_PCI_QUIRK(0x1854, 0x005f, "LG P1 Express", ALC880_FIXUP_LG), SND_PCI_QUIRK(0x1854, 0x0068, "LG w1", ALC880_FIXUP_LG), + SND_PCI_QUIRK(0x1854, 0x0077, "LG LW25", ALC880_FIXUP_LG_LW25), SND_PCI_QUIRK(0x19db, 0x4188, "TCL S700", ALC880_FIXUP_TCL_S700), /* Below is the copied entries from alc880_quirks.c. @@ -4329,6 +4339,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = { 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), + SND_PCI_QUIRK(0x1025, 0x034a, "Gateway LT27", ALC662_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x1025, 0x038b, "Acer Aspire 8943G", ALC662_FIXUP_ASPIRE), SND_PCI_QUIRK(0x1028, 0x05d8, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x05db, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 92b9b43..6d1924c 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -2819,6 +2819,7 @@ static const struct hda_pintbl ecs202_pin_configs[] = { /* codec SSIDs for Intel Mac sharing the same PCI SSID 8384:7680 */ static const struct snd_pci_quirk stac922x_intel_mac_fixup_tbl[] = { + SND_PCI_QUIRK(0x0000, 0x0100, "Mac Mini", STAC_INTEL_MAC_V3), SND_PCI_QUIRK(0x106b, 0x0800, "Mac", STAC_INTEL_MAC_V1), SND_PCI_QUIRK(0x106b, 0x0600, "Mac", STAC_INTEL_MAC_V2), SND_PCI_QUIRK(0x106b, 0x0700, "Mac", STAC_INTEL_MAC_V2), diff --git a/sound/soc/au1x/ac97c.c b/sound/soc/au1x/ac97c.c index d6f7694..c8a2de1 100644 --- a/sound/soc/au1x/ac97c.c +++ b/sound/soc/au1x/ac97c.c @@ -341,7 +341,7 @@ static struct platform_driver au1xac97c_driver = { .remove = au1xac97c_drvremove, }; -module_platform_driver(&au1xac97c_driver); +module_platform_driver(au1xac97c_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Au1000/1500/1100 AC97C ASoC driver"); diff --git a/sound/soc/blackfin/bf5xx-ac97.c b/sound/soc/blackfin/bf5xx-ac97.c index efb1dae..e82eb37 100644 --- a/sound/soc/blackfin/bf5xx-ac97.c +++ b/sound/soc/blackfin/bf5xx-ac97.c @@ -294,11 +294,12 @@ static int asoc_bfin_ac97_probe(struct platform_device *pdev) /* Request PB3 as reset pin */ ret = devm_gpio_request_one(&pdev->dev, CONFIG_SND_BF5XX_RESET_GPIO_NUM, - GPIOF_OUT_INIT_HIGH, "SND_AD198x RESET") { + GPIOF_OUT_INIT_HIGH, "SND_AD198x RESET"); + if (ret) { dev_err(&pdev->dev, "Failed to request GPIO_%d for reset: %d\n", CONFIG_SND_BF5XX_RESET_GPIO_NUM, ret); - goto gpio_err; + return ret; } #endif diff --git a/sound/soc/blackfin/bf5xx-ac97.h b/sound/soc/blackfin/bf5xx-ac97.h index 15c635e..0c3e22d 100644 --- a/sound/soc/blackfin/bf5xx-ac97.h +++ b/sound/soc/blackfin/bf5xx-ac97.h @@ -9,7 +9,6 @@ #ifndef _BF5XX_AC97_H #define _BF5XX_AC97_H -extern struct snd_ac97_bus_ops bf5xx_ac97_ops; extern struct snd_ac97 *ac97; /* Frame format in memory, only support stereo currently */ struct ac97_frame { diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c index 987f728..be2ba1b 100644 --- a/sound/soc/codecs/cs42l52.c +++ b/sound/soc/codecs/cs42l52.c @@ -195,6 +195,8 @@ static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0); static DECLARE_TLV_DB_SCALE(mix_tlv, -50, 50, 0); +static DECLARE_TLV_DB_SCALE(beep_tlv, -56, 200, 0); + static const unsigned int limiter_tlv[] = { TLV_DB_RANGE_HEAD(2), 0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0), @@ -451,7 +453,8 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = { SOC_ENUM("Beep Pitch", beep_pitch_enum), SOC_ENUM("Beep on Time", beep_ontime_enum), SOC_ENUM("Beep off Time", beep_offtime_enum), - SOC_SINGLE_TLV("Beep Volume", CS42L52_BEEP_VOL, 0, 0x1f, 0x07, hl_tlv), + SOC_SINGLE_SX_TLV("Beep Volume", CS42L52_BEEP_VOL, + 0, 0x07, 0x1f, beep_tlv), SOC_SINGLE("Beep Mixer Switch", CS42L52_BEEP_TONE_CTL, 5, 1, 1), SOC_ENUM("Beep Treble Corner Freq", beep_treble_enum), SOC_ENUM("Beep Bass Corner Freq", beep_bass_enum), diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index 6c8a9e7..760e8bf 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -153,6 +153,8 @@ static int mic_bias_event(struct snd_soc_dapm_widget *w, static int power_vag_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { + const u32 mask = SGTL5000_DAC_POWERUP | SGTL5000_ADC_POWERUP; + switch (event) { case SND_SOC_DAPM_POST_PMU: snd_soc_update_bits(w->codec, SGTL5000_CHIP_ANA_POWER, @@ -160,9 +162,17 @@ static int power_vag_event(struct snd_soc_dapm_widget *w, break; case SND_SOC_DAPM_PRE_PMD: - snd_soc_update_bits(w->codec, SGTL5000_CHIP_ANA_POWER, - SGTL5000_VAG_POWERUP, 0); - msleep(400); + /* + * Don't clear VAG_POWERUP, when both DAC and ADC are + * operational to prevent inadvertently starving the + * other one of them. + */ + if ((snd_soc_read(w->codec, SGTL5000_CHIP_ANA_POWER) & + mask) != mask) { + snd_soc_update_bits(w->codec, SGTL5000_CHIP_ANA_POWER, + SGTL5000_VAG_POWERUP, 0); + msleep(400); + } break; default: break; @@ -388,7 +398,7 @@ static const struct snd_kcontrol_new sgtl5000_snd_controls[] = { SOC_DOUBLE("Capture Volume", SGTL5000_CHIP_ANA_ADC_CTRL, 0, 4, 0xf, 0), SOC_SINGLE_TLV("Capture Attenuate Switch (-6dB)", SGTL5000_CHIP_ANA_ADC_CTRL, - 8, 2, 0, capture_6db_attenuate), + 8, 1, 0, capture_6db_attenuate), SOC_SINGLE("Capture ZC Switch", SGTL5000_CHIP_ANA_CTRL, 1, 1, 0), SOC_DOUBLE_TLV("Headphone Playback Volume", diff --git a/sound/soc/codecs/wm0010.c b/sound/soc/codecs/wm0010.c index f5e8356..10adc41 100644 --- a/sound/soc/codecs/wm0010.c +++ b/sound/soc/codecs/wm0010.c @@ -410,6 +410,16 @@ static int wm0010_firmware_load(const char *name, struct snd_soc_codec *codec) rec->command, rec->length); len = rec->length + 8; + xfer = kzalloc(sizeof(*xfer), GFP_KERNEL); + if (!xfer) { + dev_err(codec->dev, "Failed to allocate xfer\n"); + ret = -ENOMEM; + goto abort; + } + + xfer->codec = codec; + list_add_tail(&xfer->list, &xfer_list); + out = kzalloc(len, GFP_KERNEL); if (!out) { dev_err(codec->dev, @@ -417,6 +427,7 @@ static int wm0010_firmware_load(const char *name, struct snd_soc_codec *codec) ret = -ENOMEM; goto abort1; } + xfer->t.rx_buf = out; img = kzalloc(len, GFP_KERNEL); if (!img) { @@ -425,24 +436,13 @@ static int wm0010_firmware_load(const char *name, struct snd_soc_codec *codec) ret = -ENOMEM; goto abort1; } + xfer->t.tx_buf = img; byte_swap_64((u64 *)&rec->command, img, len); - xfer = kzalloc(sizeof(*xfer), GFP_KERNEL); - if (!xfer) { - dev_err(codec->dev, "Failed to allocate xfer\n"); - ret = -ENOMEM; - goto abort1; - } - - xfer->codec = codec; - list_add_tail(&xfer->list, &xfer_list); - spi_message_init(&xfer->m); xfer->m.complete = wm0010_boot_xfer_complete; xfer->m.context = xfer; - xfer->t.tx_buf = img; - xfer->t.rx_buf = out; xfer->t.len = len; xfer->t.bits_per_word = 8; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index b941908..4375c9f 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -679,13 +679,14 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w) return -EINVAL; } - path = list_first_entry(&w->sources, struct snd_soc_dapm_path, - list_sink); - if (!path) { + if (list_empty(&w->sources)) { dev_err(dapm->dev, "ASoC: mux %s has no paths\n", w->name); return -EINVAL; } + path = list_first_entry(&w->sources, struct snd_soc_dapm_path, + list_sink); + ret = dapm_create_or_share_mixmux_kcontrol(w, 0, path); if (ret < 0) return ret; @@ -2733,7 +2734,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, } mutex_unlock(&card->dapm_mutex); - return 0; + return change; } EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw); @@ -2861,7 +2862,6 @@ int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol, struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; int change; - int ret = 0; int wi; if (ucontrol->value.enumerated.item[0] >= e->max) @@ -2881,7 +2881,7 @@ int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol, } mutex_unlock(&card->dapm_mutex); - return ret; + return change; } EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt); diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c index d04146c..47565fd04 100644 --- a/sound/soc/tegra/tegra30_i2s.c +++ b/sound/soc/tegra/tegra30_i2s.c @@ -228,7 +228,7 @@ static int tegra30_i2s_hw_params(struct snd_pcm_substream *substream, reg = TEGRA30_I2S_CIF_RX_CTRL; } else { val |= TEGRA30_AUDIOCIF_CTRL_DIRECTION_TX; - reg = TEGRA30_I2S_CIF_RX_CTRL; + reg = TEGRA30_I2S_CIF_TX_CTRL; } regmap_write(i2s->regmap, reg, val); diff --git a/sound/usb/6fire/comm.c b/sound/usb/6fire/comm.c index 9e6e3ff..23452ee 100644 --- a/sound/usb/6fire/comm.c +++ b/sound/usb/6fire/comm.c @@ -110,19 +110,37 @@ static int usb6fire_comm_send_buffer(u8 *buffer, struct usb_device *dev) static int usb6fire_comm_write8(struct comm_runtime *rt, u8 request, u8 reg, u8 value) { - u8 buffer[13]; /* 13: maximum length of message */ + u8 *buffer; + int ret; + + /* 13: maximum length of message */ + buffer = kmalloc(13, GFP_KERNEL); + if (!buffer) + return -ENOMEM; usb6fire_comm_init_buffer(buffer, 0x00, request, reg, value, 0x00); - return usb6fire_comm_send_buffer(buffer, rt->chip->dev); + ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev); + + kfree(buffer); + return ret; } static int usb6fire_comm_write16(struct comm_runtime *rt, u8 request, u8 reg, u8 vl, u8 vh) { - u8 buffer[13]; /* 13: maximum length of message */ + u8 *buffer; + int ret; + + /* 13: maximum length of message */ + buffer = kmalloc(13, GFP_KERNEL); + if (!buffer) + return -ENOMEM; usb6fire_comm_init_buffer(buffer, 0x00, request, reg, vl, vh); - return usb6fire_comm_send_buffer(buffer, rt->chip->dev); + ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev); + + kfree(buffer); + return ret; } int usb6fire_comm_init(struct sfire_chip *chip) @@ -135,6 +153,12 @@ int usb6fire_comm_init(struct sfire_chip *chip) if (!rt) return -ENOMEM; + rt->receiver_buffer = kzalloc(COMM_RECEIVER_BUFSIZE, GFP_KERNEL); + if (!rt->receiver_buffer) { + kfree(rt); + return -ENOMEM; + } + urb = &rt->receiver; rt->serial = 1; rt->chip = chip; @@ -153,6 +177,7 @@ int usb6fire_comm_init(struct sfire_chip *chip) urb->interval = 1; ret = usb_submit_urb(urb, GFP_KERNEL); if (ret < 0) { + kfree(rt->receiver_buffer); kfree(rt); snd_printk(KERN_ERR PREFIX "cannot create comm data receiver."); return ret; @@ -171,6 +196,9 @@ void usb6fire_comm_abort(struct sfire_chip *chip) void usb6fire_comm_destroy(struct sfire_chip *chip) { - kfree(chip->comm); + struct comm_runtime *rt = chip->comm; + + kfree(rt->receiver_buffer); + kfree(rt); chip->comm = NULL; } diff --git a/sound/usb/6fire/comm.h b/sound/usb/6fire/comm.h index 6a0840b..780d5ed 100644 --- a/sound/usb/6fire/comm.h +++ b/sound/usb/6fire/comm.h @@ -24,7 +24,7 @@ struct comm_runtime { struct sfire_chip *chip; struct urb receiver; - u8 receiver_buffer[COMM_RECEIVER_BUFSIZE]; + u8 *receiver_buffer; u8 serial; /* urb serial */ diff --git a/sound/usb/6fire/midi.c b/sound/usb/6fire/midi.c index 2672242..f3dd726 100644 --- a/sound/usb/6fire/midi.c +++ b/sound/usb/6fire/midi.c @@ -19,6 +19,10 @@ #include "chip.h" #include "comm.h" +enum { + MIDI_BUFSIZE = 64 +}; + static void usb6fire_midi_out_handler(struct urb *urb) { struct midi_runtime *rt = urb->context; @@ -156,6 +160,12 @@ int usb6fire_midi_init(struct sfire_chip *chip) if (!rt) return -ENOMEM; + rt->out_buffer = kzalloc(MIDI_BUFSIZE, GFP_KERNEL); + if (!rt->out_buffer) { + kfree(rt); + return -ENOMEM; + } + rt->chip = chip; rt->in_received = usb6fire_midi_in_received; rt->out_buffer[0] = 0x80; /* 'send midi' command */ @@ -169,6 +179,7 @@ int usb6fire_midi_init(struct sfire_chip *chip) ret = snd_rawmidi_new(chip->card, "6FireUSB", 0, 1, 1, &rt->instance); if (ret < 0) { + kfree(rt->out_buffer); kfree(rt); snd_printk(KERN_ERR PREFIX "unable to create midi.\n"); return ret; @@ -197,6 +208,9 @@ void usb6fire_midi_abort(struct sfire_chip *chip) void usb6fire_midi_destroy(struct sfire_chip *chip) { - kfree(chip->midi); + struct midi_runtime *rt = chip->midi; + + kfree(rt->out_buffer); + kfree(rt); chip->midi = NULL; } diff --git a/sound/usb/6fire/midi.h b/sound/usb/6fire/midi.h index c321006..84851b9 100644 --- a/sound/usb/6fire/midi.h +++ b/sound/usb/6fire/midi.h @@ -16,10 +16,6 @@ #include "common.h" -enum { - MIDI_BUFSIZE = 64 -}; - struct midi_runtime { struct sfire_chip *chip; struct snd_rawmidi *instance; @@ -32,7 +28,7 @@ struct midi_runtime { struct snd_rawmidi_substream *out; struct urb out_urb; u8 out_serial; /* serial number of out packet */ - u8 out_buffer[MIDI_BUFSIZE]; + u8 *out_buffer; int buffer_offset; void (*in_received)(struct midi_runtime *rt, u8 *data, int length); diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c index 3d2551c..b5eb97f 100644 --- a/sound/usb/6fire/pcm.c +++ b/sound/usb/6fire/pcm.c @@ -582,6 +582,33 @@ static void usb6fire_pcm_init_urb(struct pcm_urb *urb, urb->instance.number_of_packets = PCM_N_PACKETS_PER_URB; } +static int usb6fire_pcm_buffers_init(struct pcm_runtime *rt) +{ + int i; + + for (i = 0; i < PCM_N_URBS; i++) { + rt->out_urbs[i].buffer = kzalloc(PCM_N_PACKETS_PER_URB + * PCM_MAX_PACKET_SIZE, GFP_KERNEL); + if (!rt->out_urbs[i].buffer) + return -ENOMEM; + rt->in_urbs[i].buffer = kzalloc(PCM_N_PACKETS_PER_URB + * PCM_MAX_PACKET_SIZE, GFP_KERNEL); + if (!rt->in_urbs[i].buffer) + return -ENOMEM; + } + return 0; +} + +static void usb6fire_pcm_buffers_destroy(struct pcm_runtime *rt) +{ + int i; + + for (i = 0; i < PCM_N_URBS; i++) { + kfree(rt->out_urbs[i].buffer); + kfree(rt->in_urbs[i].buffer); + } +} + int usb6fire_pcm_init(struct sfire_chip *chip) { int i; @@ -593,6 +620,13 @@ int usb6fire_pcm_init(struct sfire_chip *chip) if (!rt) return -ENOMEM; + ret = usb6fire_pcm_buffers_init(rt); + if (ret) { + usb6fire_pcm_buffers_destroy(rt); + kfree(rt); + return ret; + } + rt->chip = chip; rt->stream_state = STREAM_DISABLED; rt->rate = ARRAY_SIZE(rates); @@ -614,6 +648,7 @@ int usb6fire_pcm_init(struct sfire_chip *chip) ret = snd_pcm_new(chip->card, "DMX6FireUSB", 0, 1, 1, &pcm); if (ret < 0) { + usb6fire_pcm_buffers_destroy(rt); kfree(rt); snd_printk(KERN_ERR PREFIX "cannot create pcm instance.\n"); return ret; @@ -625,6 +660,7 @@ int usb6fire_pcm_init(struct sfire_chip *chip) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_ops); if (ret) { + usb6fire_pcm_buffers_destroy(rt); kfree(rt); snd_printk(KERN_ERR PREFIX "error preallocating pcm buffers.\n"); @@ -669,6 +705,9 @@ void usb6fire_pcm_abort(struct sfire_chip *chip) void usb6fire_pcm_destroy(struct sfire_chip *chip) { - kfree(chip->pcm); + struct pcm_runtime *rt = chip->pcm; + + usb6fire_pcm_buffers_destroy(rt); + kfree(rt); chip->pcm = NULL; } diff --git a/sound/usb/6fire/pcm.h b/sound/usb/6fire/pcm.h index 9b01133..f5779d6 100644 --- a/sound/usb/6fire/pcm.h +++ b/sound/usb/6fire/pcm.h @@ -32,7 +32,7 @@ struct pcm_urb { struct urb instance; struct usb_iso_packet_descriptor packets[PCM_N_PACKETS_PER_URB]; /* END DO NOT SEPARATE */ - u8 buffer[PCM_N_PACKETS_PER_URB * PCM_MAX_PACKET_SIZE]; + u8 *buffer; struct pcm_urb *peer; }; diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 7a444b5..659950e 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -591,17 +591,16 @@ static int data_ep_set_params(struct snd_usb_endpoint *ep, ep->stride = frame_bits >> 3; ep->silence_value = pcm_format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0; - /* calculate max. frequency */ - if (ep->maxpacksize) { + /* assume max. frequency is 25% higher than nominal */ + ep->freqmax = ep->freqn + (ep->freqn >> 2); + maxsize = ((ep->freqmax + 0xffff) * (frame_bits >> 3)) + >> (16 - ep->datainterval); + /* but wMaxPacketSize might reduce this */ + if (ep->maxpacksize && ep->maxpacksize < maxsize) { /* whatever fits into a max. size packet */ maxsize = ep->maxpacksize; ep->freqmax = (maxsize / (frame_bits >> 3)) << (16 - ep->datainterval); - } else { - /* no max. packet size: just take 25% higher than nominal */ - ep->freqmax = ep->freqn + (ep->freqn >> 2); - maxsize = ((ep->freqmax + 0xffff) * (frame_bits >> 3)) - >> (16 - ep->datainterval); } if (ep->fill_max) diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index d543808..95558ef 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -888,6 +888,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */ case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */ case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */ + case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */ case USB_ID(0x046d, 0x0991): /* Most audio usb devices lie about volume resolution. * Most Logitech webcams have res = 384. diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 1bc45e7..0df9ede 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -319,19 +319,19 @@ static int create_auto_midi_quirk(struct snd_usb_audio *chip, if (altsd->bNumEndpoints < 1) return -ENODEV; epd = get_endpoint(alts, 0); - if (!usb_endpoint_xfer_bulk(epd) || + if (!usb_endpoint_xfer_bulk(epd) && !usb_endpoint_xfer_int(epd)) return -ENODEV; switch (USB_ID_VENDOR(chip->usb_id)) { case 0x0499: /* Yamaha */ err = create_yamaha_midi_quirk(chip, iface, driver, alts); - if (err < 0 && err != -ENODEV) + if (err != -ENODEV) return err; break; case 0x0582: /* Roland */ err = create_roland_midi_quirk(chip, iface, driver, alts); - if (err < 0 && err != -ENODEV) + if (err != -ENODEV) return err; break; } |