diff options
Diffstat (limited to 'arch')
93 files changed, 625 insertions, 399 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5cff165..26d45e5 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1391,7 +1391,7 @@ config AEABI config OABI_COMPAT bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" - depends on AEABI && EXPERIMENTAL + depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL default y help This option preserves the old syscall interface along with the diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index c0225da..f06ff9f 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -391,6 +391,7 @@ ENDPROC(__turn_mmu_on) #ifdef CONFIG_SMP_ON_UP + __INIT __fixup_smp: and r3, r9, #0x000f0000 @ architecture version teq r3, #0x000f0000 @ CPU ID supported? @@ -415,18 +416,7 @@ __fixup_smp_on_up: sub r3, r0, r3 add r4, r4, r3 add r5, r5, r3 -2: cmp r4, r5 - movhs pc, lr - ldmia r4!, {r0, r6} - ARM( str r6, [r0, r3] ) - THUMB( add r0, r0, r3 ) -#ifdef __ARMEB__ - THUMB( mov r6, r6, ror #16 ) @ Convert word order for big-endian. -#endif - THUMB( strh r6, [r0], #2 ) @ For Thumb-2, store as two halfwords - THUMB( mov r6, r6, lsr #16 ) @ to be robust against misaligned r3. - THUMB( strh r6, [r0] ) - b 2b + b __do_fixup_smp_on_up ENDPROC(__fixup_smp) .align @@ -440,7 +430,31 @@ smp_on_up: ALT_SMP(.long 1) ALT_UP(.long 0) .popsection +#endif + .text +__do_fixup_smp_on_up: + cmp r4, r5 + movhs pc, lr + ldmia r4!, {r0, r6} + ARM( str r6, [r0, r3] ) + THUMB( add r0, r0, r3 ) +#ifdef __ARMEB__ + THUMB( mov r6, r6, ror #16 ) @ Convert word order for big-endian. #endif + THUMB( strh r6, [r0], #2 ) @ For Thumb-2, store as two halfwords + THUMB( mov r6, r6, lsr #16 ) @ to be robust against misaligned r3. + THUMB( strh r6, [r0] ) + b __do_fixup_smp_on_up +ENDPROC(__do_fixup_smp_on_up) + +ENTRY(fixup_smp) + stmfd sp!, {r4 - r6, lr} + mov r4, r0 + add r5, r0, r1 + mov r3, #0 + bl __do_fixup_smp_on_up + ldmfd sp!, {r4 - r6, pc} +ENDPROC(fixup_smp) #include "head-common.S" diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index c9f3f04..d600bd3 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -137,11 +137,10 @@ static u8 get_debug_arch(void) u32 didr; /* Do we implement the extended CPUID interface? */ - if (((read_cpuid_id() >> 16) & 0xf) != 0xf) { - pr_warning("CPUID feature registers not supported. " - "Assuming v6 debug is present.\n"); + if (WARN_ONCE((((read_cpuid_id() >> 16) & 0xf) != 0xf), + "CPUID feature registers not supported. " + "Assuming v6 debug is present.\n")) return ARM_DEBUG_ARCH_V6; - } ARM_DBG_READ(c0, 0, didr); return (didr >> 16) & 0xf; @@ -152,6 +151,12 @@ u8 arch_get_debug_arch(void) return debug_arch; } +static int debug_arch_supported(void) +{ + u8 arch = get_debug_arch(); + return arch >= ARM_DEBUG_ARCH_V6 && arch <= ARM_DEBUG_ARCH_V7_ECP14; +} + /* Determine number of BRP register available. */ static int get_num_brp_resources(void) { @@ -268,6 +273,9 @@ out: int hw_breakpoint_slots(int type) { + if (!debug_arch_supported()) + return 0; + /* * We can be called early, so don't rely on * our static variables being initialised. @@ -834,11 +842,11 @@ static void reset_ctrl_regs(void *unused) /* * v7 debug contains save and restore registers so that debug state - * can be maintained across low-power modes without leaving - * the debug logic powered up. It is IMPLEMENTATION DEFINED whether - * we can write to the debug registers out of reset, so we must - * unlock the OS Lock Access Register to avoid taking undefined - * instruction exceptions later on. + * can be maintained across low-power modes without leaving the debug + * logic powered up. It is IMPLEMENTATION DEFINED whether we can access + * the debug registers out of reset, so we must unlock the OS Lock + * Access Register to avoid taking undefined instruction exceptions + * later on. */ if (debug_arch >= ARM_DEBUG_ARCH_V7_ECP14) { /* @@ -882,7 +890,7 @@ static int __init arch_hw_breakpoint_init(void) debug_arch = get_debug_arch(); - if (debug_arch > ARM_DEBUG_ARCH_V7_ECP14) { + if (!debug_arch_supported()) { pr_info("debug architecture 0x%x unsupported.\n", debug_arch); return 0; } @@ -899,18 +907,18 @@ static int __init arch_hw_breakpoint_init(void) pr_info("%d breakpoint(s) reserved for watchpoint " "single-step.\n", core_num_reserved_brps); + /* + * Reset the breakpoint resources. We assume that a halting + * debugger will leave the world in a nice state for us. + */ + on_each_cpu(reset_ctrl_regs, NULL, 1); + ARM_DBG_READ(c1, 0, dscr); if (dscr & ARM_DSCR_HDBGEN) { + max_watchpoint_len = 4; pr_warning("halting debug mode enabled. Assuming maximum " - "watchpoint size of 4 bytes."); + "watchpoint size of %u bytes.", max_watchpoint_len); } else { - /* - * Reset the breakpoint resources. We assume that a halting - * debugger will leave the world in a nice state for us. - */ - smp_call_function(reset_ctrl_regs, NULL, 1); - reset_ctrl_regs(NULL); - /* Work out the maximum supported watchpoint length. */ max_watchpoint_len = get_max_wp_len(); pr_info("maximum watchpoint size is %u bytes.\n", diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 2cfe816..6d4105e 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -22,6 +22,7 @@ #include <asm/pgtable.h> #include <asm/sections.h> +#include <asm/smp_plat.h> #include <asm/unwind.h> #ifdef CONFIG_XIP_KERNEL @@ -268,12 +269,28 @@ struct mod_unwind_map { const Elf_Shdr *txt_sec; }; +static const Elf_Shdr *find_mod_section(const Elf32_Ehdr *hdr, + const Elf_Shdr *sechdrs, const char *name) +{ + const Elf_Shdr *s, *se; + const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; + + for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) + if (strcmp(name, secstrs + s->sh_name) == 0) + return s; + + return NULL; +} + +extern void fixup_smp(const void *, unsigned long); + int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *mod) { + const Elf_Shdr * __maybe_unused s = NULL; #ifdef CONFIG_ARM_UNWIND const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; - const Elf_Shdr *s, *sechdrs_end = sechdrs + hdr->e_shnum; + const Elf_Shdr *sechdrs_end = sechdrs + hdr->e_shnum; struct mod_unwind_map maps[ARM_SEC_MAX]; int i; @@ -315,6 +332,9 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs, maps[i].txt_sec->sh_addr, maps[i].txt_sec->sh_size); #endif + s = find_mod_section(hdr, sechdrs, ".alt.smp.init"); + if (s && !is_smp()) + fixup_smp((void *)s->sh_addr, s->sh_size); return 0; } diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 5efa264..d150ad1 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -700,7 +700,7 @@ user_backtrace(struct frame_tail __user *tail, * Frame pointers should strictly progress back up the stack * (towards higher addresses). */ - if (tail >= buftail.fp) + if (tail + 1 >= buftail.fp) return NULL; return buftail.fp - 1; diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index ffdf87b..8207954 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -838,7 +838,7 @@ EXPORT_SYMBOL(ep93xx_i2s_release); static struct resource ep93xx_ac97_resources[] = { { .start = EP93XX_AAC_PHYS_BASE, - .end = EP93XX_AAC_PHYS_BASE + 0xb0 - 1, + .end = EP93XX_AAC_PHYS_BASE + 0xac - 1, .flags = IORESOURCE_MEM, }, { diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c index aa76cfd..8382e79 100644 --- a/arch/arm/mach-imx/mach-mx25_3ds.c +++ b/arch/arm/mach-imx/mach-mx25_3ds.c @@ -180,7 +180,7 @@ static const uint32_t mx25pdk_keymap[] = { KEY(3, 3, KEY_POWER), }; -static const struct matrix_keymap_data mx25pdk_keymap_data __initdata = { +static const struct matrix_keymap_data mx25pdk_keymap_data __initconst = { .keymap = mx25pdk_keymap, .keymap_size = ARRAY_SIZE(mx25pdk_keymap), }; diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 4dc68d6..9fd8942 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -432,7 +432,7 @@ static struct clocksource clocksource_ixp4xx = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; -unsigned long ixp4xx_timer_freq = FREQ; +unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ; EXPORT_SYMBOL(ixp4xx_timer_freq); static void __init ixp4xx_clocksource_init(void) { @@ -496,7 +496,7 @@ static struct clock_event_device clockevent_ixp4xx = { static void __init ixp4xx_clockevent_init(void) { - clockevent_ixp4xx.mult = div_sc(FREQ, NSEC_PER_SEC, + clockevent_ixp4xx.mult = div_sc(IXP4XX_TIMER_FREQ, NSEC_PER_SEC, clockevent_ixp4xx.shift); clockevent_ixp4xx.max_delta_ns = clockevent_delta2ns(0xfffffffe, &clockevent_ixp4xx); diff --git a/arch/arm/mach-ixp4xx/include/mach/timex.h b/arch/arm/mach-ixp4xx/include/mach/timex.h index 2c3f93c..c9e930f 100644 --- a/arch/arm/mach-ixp4xx/include/mach/timex.h +++ b/arch/arm/mach-ixp4xx/include/mach/timex.h @@ -10,6 +10,7 @@ * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the * timer register ignores the bottom 2 bits of the LATCH value. */ -#define FREQ 66666000 -#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) +#define IXP4XX_TIMER_FREQ 66666000 +#define CLOCK_TICK_RATE \ + (((IXP4XX_TIMER_FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) diff --git a/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c b/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c index bfdbe4b..852f7c9 100644 --- a/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c +++ b/arch/arm/mach-ixp4xx/ixp4xx_qmgr.c @@ -265,6 +265,11 @@ void qmgr_release_queue(unsigned int queue) qmgr_queue_descs[queue], queue); qmgr_queue_descs[queue][0] = '\x0'; #endif + + while ((addr = qmgr_get_entry(queue))) + printk(KERN_ERR "qmgr: released queue %i not empty: 0x%08X\n", + queue, addr); + __raw_writel(0, &qmgr_regs->sram[queue]); used_sram_bitmap[0] &= ~mask[0]; @@ -275,10 +280,6 @@ void qmgr_release_queue(unsigned int queue) spin_unlock_irq(&qmgr_lock); module_put(THIS_MODULE); - - while ((addr = qmgr_get_entry(queue))) - printk(KERN_ERR "qmgr: released queue %i not empty: 0x%08X\n", - queue, addr); } static int qmgr_init(void) diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c index b1a362e..ca72a05 100644 --- a/arch/arm/mach-mxs/clock-mx23.c +++ b/arch/arm/mach-mxs/clock-mx23.c @@ -304,7 +304,7 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \ reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ reg &= ~BM_CLKCTRL_##dr##_DIV; \ reg |= div << BP_CLKCTRL_##dr##_DIV; \ - if (reg | (1 << clk->enable_shift)) { \ + if (reg & (1 << clk->enable_shift)) { \ pr_err("%s: clock is gated\n", __func__); \ return -EINVAL; \ } \ @@ -347,7 +347,7 @@ static int name##_set_parent(struct clk *clk, struct clk *parent) \ { \ if (parent != clk->parent) { \ __raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit, \ - HW_CLKCTRL_CLKSEQ_TOG); \ + CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG); \ clk->parent = parent; \ } \ \ diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 56312c0..fd1c4c5 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -355,12 +355,12 @@ static int name##_set_rate(struct clk *clk, unsigned long rate) \ } else { \ reg &= ~BM_CLKCTRL_##dr##_DIV; \ reg |= div << BP_CLKCTRL_##dr##_DIV; \ - if (reg | (1 << clk->enable_shift)) { \ + if (reg & (1 << clk->enable_shift)) { \ pr_err("%s: clock is gated\n", __func__); \ return -EINVAL; \ } \ } \ - __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU); \ + __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_##dr); \ \ for (i = 10000; i; i--) \ if (!(__raw_readl(CLKCTRL_BASE_ADDR + \ @@ -483,7 +483,7 @@ static int name##_set_parent(struct clk *clk, struct clk *parent) \ { \ if (parent != clk->parent) { \ __raw_writel(BM_CLKCTRL_CLKSEQ_BYPASS_##bit, \ - HW_CLKCTRL_CLKSEQ_TOG); \ + CLKCTRL_BASE_ADDR + HW_CLKCTRL_CLKSEQ_TOG); \ clk->parent = parent; \ } \ \ @@ -609,7 +609,6 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("duart", NULL, uart_clk) _REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk) _REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk) - _REGISTER_CLOCK("fec.0", NULL, fec_clk) _REGISTER_CLOCK("rtc", NULL, rtc_clk) _REGISTER_CLOCK("pll2", NULL, pll2_clk) _REGISTER_CLOCK(NULL, "hclk", hbus_clk) diff --git a/arch/arm/mach-mxs/clock.c b/arch/arm/mach-mxs/clock.c index e7d2269..a7093c8 100644 --- a/arch/arm/mach-mxs/clock.c +++ b/arch/arm/mach-mxs/clock.c @@ -57,7 +57,6 @@ static void __clk_disable(struct clk *clk) if (clk->disable) clk->disable(clk); __clk_disable(clk->parent); - __clk_disable(clk->secondary); } } @@ -68,7 +67,6 @@ static int __clk_enable(struct clk *clk) if (clk->usecount++ == 0) { __clk_enable(clk->parent); - __clk_enable(clk->secondary); if (clk->enable) clk->enable(clk); diff --git a/arch/arm/mach-mxs/gpio.c b/arch/arm/mach-mxs/gpio.c index d7ad7a6..cb0c0e8 100644 --- a/arch/arm/mach-mxs/gpio.c +++ b/arch/arm/mach-mxs/gpio.c @@ -139,6 +139,8 @@ static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc) struct mxs_gpio_port *port = (struct mxs_gpio_port *)get_irq_data(irq); u32 gpio_irq_no_base = port->virtual_irq_start; + desc->irq_data.chip->irq_ack(&desc->irq_data); + irq_stat = __raw_readl(port->base + PINCTRL_IRQSTAT(port->id)) & __raw_readl(port->base + PINCTRL_IRQEN(port->id)); diff --git a/arch/arm/mach-mxs/include/mach/clock.h b/arch/arm/mach-mxs/include/mach/clock.h index 041e276..592c9ab 100644 --- a/arch/arm/mach-mxs/include/mach/clock.h +++ b/arch/arm/mach-mxs/include/mach/clock.h @@ -29,8 +29,6 @@ struct clk { int id; /* Source clock this clk depends on */ struct clk *parent; - /* Secondary clock to enable/disable with this clock */ - struct clk *secondary; /* Reference count of clock enable/disable */ __s8 usecount; /* Register bit position for clock's enable/disable control. */ diff --git a/arch/arm/mach-omap1/lcd_dma.c b/arch/arm/mach-omap1/lcd_dma.c index c9088d8..4538093 100644 --- a/arch/arm/mach-omap1/lcd_dma.c +++ b/arch/arm/mach-omap1/lcd_dma.c @@ -37,7 +37,7 @@ int omap_lcd_dma_running(void) * On OMAP1510, internal LCD controller will start the transfer * when it gets enabled, so assume DMA running if LCD enabled. */ - if (cpu_is_omap1510()) + if (cpu_is_omap15xx()) if (omap_readw(OMAP_LCDC_CONTROL) & OMAP_LCDC_CTRL_LCD_EN) return 1; @@ -95,7 +95,7 @@ EXPORT_SYMBOL(omap_set_lcd_dma_single_transfer); void omap_set_lcd_dma_b1_rotation(int rotate) { - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { printk(KERN_ERR "DMA rotation is not supported in 1510 mode\n"); BUG(); return; @@ -106,7 +106,7 @@ EXPORT_SYMBOL(omap_set_lcd_dma_b1_rotation); void omap_set_lcd_dma_b1_mirror(int mirror) { - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { printk(KERN_ERR "DMA mirror is not supported in 1510 mode\n"); BUG(); } @@ -116,7 +116,7 @@ EXPORT_SYMBOL(omap_set_lcd_dma_b1_mirror); void omap_set_lcd_dma_b1_vxres(unsigned long vxres) { - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { printk(KERN_ERR "DMA virtual resulotion is not supported " "in 1510 mode\n"); BUG(); @@ -127,7 +127,7 @@ EXPORT_SYMBOL(omap_set_lcd_dma_b1_vxres); void omap_set_lcd_dma_b1_scale(unsigned int xscale, unsigned int yscale) { - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { printk(KERN_ERR "DMA scale is not supported in 1510 mode\n"); BUG(); } @@ -177,7 +177,7 @@ static void set_b1_regs(void) bottom = PIXADDR(lcd_dma.xres - 1, lcd_dma.yres - 1); /* 1510 DMA requires the bottom address to be 2 more * than the actual last memory access location. */ - if (cpu_is_omap1510() && + if (cpu_is_omap15xx() && lcd_dma.data_type == OMAP_DMA_DATA_TYPE_S32) bottom += 2; ei = PIXSTEP(0, 0, 1, 0); @@ -241,7 +241,7 @@ static void set_b1_regs(void) return; /* Suppress warning about uninitialized vars */ } - if (cpu_is_omap1510()) { + if (cpu_is_omap15xx()) { omap_writew(top >> 16, OMAP1510_DMA_LCD_TOP_F1_U); omap_writew(top, OMAP1510_DMA_LCD_TOP_F1_L); omap_writew(bottom >> 16, OMAP1510_DMA_LCD_BOT_F1_U); @@ -343,7 +343,7 @@ void omap_free_lcd_dma(void) BUG(); return; } - if (!cpu_is_omap1510()) + if (!cpu_is_omap15xx()) omap_writew(omap_readw(OMAP1610_DMA_LCD_CCR) & ~1, OMAP1610_DMA_LCD_CCR); lcd_dma.reserved = 0; @@ -360,7 +360,7 @@ void omap_enable_lcd_dma(void) * connected. Otherwise the OMAP internal controller will * start the transfer when it gets enabled. */ - if (cpu_is_omap1510() || !lcd_dma.ext_ctrl) + if (cpu_is_omap15xx() || !lcd_dma.ext_ctrl) return; w = omap_readw(OMAP1610_DMA_LCD_CTRL); @@ -378,14 +378,14 @@ EXPORT_SYMBOL(omap_enable_lcd_dma); void omap_setup_lcd_dma(void) { BUG_ON(lcd_dma.active); - if (!cpu_is_omap1510()) { + if (!cpu_is_omap15xx()) { /* Set some reasonable defaults */ omap_writew(0x5440, OMAP1610_DMA_LCD_CCR); omap_writew(0x9102, OMAP1610_DMA_LCD_CSDP); omap_writew(0x0004, OMAP1610_DMA_LCD_LCH_CTRL); } set_b1_regs(); - if (!cpu_is_omap1510()) { + if (!cpu_is_omap15xx()) { u16 w; w = omap_readw(OMAP1610_DMA_LCD_CCR); @@ -407,7 +407,7 @@ void omap_stop_lcd_dma(void) u16 w; lcd_dma.active = 0; - if (cpu_is_omap1510() || !lcd_dma.ext_ctrl) + if (cpu_is_omap15xx() || !lcd_dma.ext_ctrl) return; w = omap_readw(OMAP1610_DMA_LCD_CCR); diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index f83fc33..6885d2f 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -44,7 +44,6 @@ #include <linux/clocksource.h> #include <linux/clockchips.h> #include <linux/io.h> -#include <linux/sched.h> #include <asm/system.h> #include <mach/hardware.h> diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index e906e05..9a2a31e 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -115,9 +115,6 @@ static struct omap2_hsmmc_info mmc[] = { static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev) { - twl_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, REG_GPIODATADIR1); - twl_i2c_write_u8(TWL4030_MODULE_LED, 0x0, 0x0); - if (gpio_is_valid(dssdev->reset_gpio)) gpio_set_value_cansleep(dssdev->reset_gpio, 1); return 0; @@ -247,6 +244,8 @@ static struct gpio_led gpio_leds[]; static int devkit8000_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { + int ret; + omap_mux_init_gpio(29, OMAP_PIN_INPUT); /* gpio + 0 is "mmc0_cd" (input/IRQ) */ mmc[0].gpio_cd = gpio + 0; @@ -255,17 +254,23 @@ static int devkit8000_twl_gpio_setup(struct device *dev, /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; - /* gpio + 1 is "LCD_PWREN" (out, active high) */ - devkit8000_lcd_device.reset_gpio = gpio + 1; - gpio_request(devkit8000_lcd_device.reset_gpio, "LCD_PWREN"); - /* Disable until needed */ - gpio_direction_output(devkit8000_lcd_device.reset_gpio, 0); + /* TWL4030_GPIO_MAX + 0 is "LCD_PWREN" (out, active high) */ + devkit8000_lcd_device.reset_gpio = gpio + TWL4030_GPIO_MAX + 0; + ret = gpio_request_one(devkit8000_lcd_device.reset_gpio, + GPIOF_DIR_OUT | GPIOF_INIT_LOW, "LCD_PWREN"); + if (ret < 0) { + devkit8000_lcd_device.reset_gpio = -EINVAL; + printk(KERN_ERR "Failed to request GPIO for LCD_PWRN\n"); + } /* gpio + 7 is "DVI_PD" (out, active low) */ devkit8000_dvi_device.reset_gpio = gpio + 7; - gpio_request(devkit8000_dvi_device.reset_gpio, "DVI PowerDown"); - /* Disable until needed */ - gpio_direction_output(devkit8000_dvi_device.reset_gpio, 0); + ret = gpio_request_one(devkit8000_dvi_device.reset_gpio, + GPIOF_DIR_OUT | GPIOF_INIT_LOW, "DVI PowerDown"); + if (ret < 0) { + devkit8000_dvi_device.reset_gpio = -EINVAL; + printk(KERN_ERR "Failed to request GPIO for DVI PowerDown\n"); + } return 0; } diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index e001a04..e944025 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -409,8 +409,6 @@ static void __init omap4_panda_init(void) platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices)); omap_serial_init(); omap4_twl6030_hsmmc_init(mmc); - /* OMAP4 Panda uses internal transceiver so register nop transceiver */ - usb_nop_xceiv_register(); omap4_ehci_init(); usb_musb_init(&musb_board_data); } diff --git a/arch/arm/mach-omap2/board-rm680.c b/arch/arm/mach-omap2/board-rm680.c index cb77be7..39a71bb 100644 --- a/arch/arm/mach-omap2/board-rm680.c +++ b/arch/arm/mach-omap2/board-rm680.c @@ -40,9 +40,6 @@ static struct regulator_consumer_supply rm680_vemmc_consumers[] = { static struct regulator_init_data rm680_vemmc = { .constraints = { .name = "rm680_vemmc", - .min_uV = 2900000, - .max_uV = 2900000, - .apply_uV = 1, .valid_modes_mask = REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY, .valid_ops_mask = REGULATOR_CHANGE_STATUS diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index fae49d1..98148b6 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -1000,6 +1000,7 @@ int __init omap_mux_init(const char *name, u32 flags, if (!partition->base) { pr_err("%s: Could not ioremap mux partition at 0x%08x\n", __func__, partition->phys); + kfree(partition); return -ENODEV; } diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index a4aa192..2f864e4 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -168,9 +168,10 @@ static void omap3_core_restore_context(void) * once during boot sequence, but this works as we are not using secure * services. */ -static void omap3_save_secure_ram_context(u32 target_mpu_state) +static void omap3_save_secure_ram_context(void) { u32 ret; + int mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm); if (omap_type() != OMAP2_DEVICE_TYPE_GP) { /* @@ -181,7 +182,7 @@ static void omap3_save_secure_ram_context(u32 target_mpu_state) pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON); ret = _omap_save_secure_sram((u32 *) __pa(omap3_secure_ram_storage)); - pwrdm_set_next_pwrst(mpu_pwrdm, target_mpu_state); + pwrdm_set_next_pwrst(mpu_pwrdm, mpu_next_state); /* Following is for error tracking, it should not happen */ if (ret) { printk(KERN_ERR "save_secure_sram() returns %08x\n", @@ -1094,7 +1095,7 @@ static int __init omap3_pm_init(void) local_fiq_disable(); omap_dma_global_context_save(); - omap3_save_secure_ram_context(PWRDM_POWER_ON); + omap3_save_secure_ram_context(); omap_dma_global_context_restore(); local_irq_enable(); diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 77ecebf..c37e823 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -780,8 +780,7 @@ static int omap_sr_autocomp_show(void *data, u64 *val) struct omap_sr *sr_info = (struct omap_sr *) data; if (!sr_info) { - pr_warning("%s: omap_sr struct for sr_%s not found\n", - __func__, sr_info->voltdm->name); + pr_warning("%s: omap_sr struct not found\n", __func__); return -EINVAL; } @@ -795,8 +794,7 @@ static int omap_sr_autocomp_store(void *data, u64 val) struct omap_sr *sr_info = (struct omap_sr *) data; if (!sr_info) { - pr_warning("%s: omap_sr struct for sr_%s not found\n", - __func__, sr_info->voltdm->name); + pr_warning("%s: omap_sr struct not found\n", __func__); return -EINVAL; } @@ -834,7 +832,8 @@ static int __init omap_sr_probe(struct platform_device *pdev) if (!pdata) { dev_err(&pdev->dev, "%s: platform data missing\n", __func__); - return -EINVAL; + ret = -EINVAL; + goto err_free_devinfo; } mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -966,7 +965,7 @@ static int __devexit omap_sr_remove(struct platform_device *pdev) } sr_info = _sr_lookup(pdata->voltdm); - if (!sr_info) { + if (IS_ERR(sr_info)) { dev_warn(&pdev->dev, "%s: omap_sr struct not found\n", __func__); return -EINVAL; diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c index ed6079c9..12be525 100644 --- a/arch/arm/mach-omap2/voltage.c +++ b/arch/arm/mach-omap2/voltage.c @@ -471,6 +471,7 @@ static void __init vdd_debugfs_init(struct omap_vdd_info *vdd) strcat(name, vdd->voltdm.name); vdd->debug_dir = debugfs_create_dir(name, voltage_dir); + kfree(name); if (IS_ERR(vdd->debug_dir)) { pr_warning("%s: Unable to create debugfs directory for" " vdd_%s\n", __func__, vdd->voltdm.name); diff --git a/arch/arm/mach-pxa/colibri-evalboard.c b/arch/arm/mach-pxa/colibri-evalboard.c index 6b2c800..28f667e 100644 --- a/arch/arm/mach-pxa/colibri-evalboard.c +++ b/arch/arm/mach-pxa/colibri-evalboard.c @@ -50,7 +50,7 @@ static void __init colibri_mmc_init(void) GPIO0_COLIBRI_PXA270_SD_DETECT; if (machine_is_colibri300()) /* PXA300 Colibri */ colibri_mci_platform_data.gpio_card_detect = - GPIO39_COLIBRI_PXA300_SD_DETECT; + GPIO13_COLIBRI_PXA300_SD_DETECT; else /* PXA320 Colibri */ colibri_mci_platform_data.gpio_card_detect = GPIO28_COLIBRI_PXA320_SD_DETECT; diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c index fddb16d..66dd81c 100644 --- a/arch/arm/mach-pxa/colibri-pxa300.c +++ b/arch/arm/mach-pxa/colibri-pxa300.c @@ -41,7 +41,7 @@ static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = { GPIO4_MMC1_DAT1, GPIO5_MMC1_DAT2, GPIO6_MMC1_DAT3, - GPIO39_GPIO, /* SD detect */ + GPIO13_GPIO, /* GPIO13_COLIBRI_PXA300_SD_DETECT */ /* UHC */ GPIO0_2_USBH_PEN, diff --git a/arch/arm/mach-pxa/include/mach/colibri.h b/arch/arm/mach-pxa/include/mach/colibri.h index 388a96f..cb4236e 100644 --- a/arch/arm/mach-pxa/include/mach/colibri.h +++ b/arch/arm/mach-pxa/include/mach/colibri.h @@ -60,7 +60,7 @@ static inline void colibri_pxa3xx_init_nand(void) {} #define GPIO113_COLIBRI_PXA270_TS_IRQ 113 /* GPIO definitions for Colibri PXA300/310 */ -#define GPIO39_COLIBRI_PXA300_SD_DETECT 39 +#define GPIO13_COLIBRI_PXA300_SD_DETECT 13 /* GPIO definitions for Colibri PXA320 */ #define GPIO28_COLIBRI_PXA320_SD_DETECT 28 diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c index 405b92a..35572c4 100644 --- a/arch/arm/mach-pxa/palm27x.c +++ b/arch/arm/mach-pxa/palm27x.c @@ -323,7 +323,7 @@ static struct platform_pwm_backlight_data palm27x_backlight_data = { .pwm_id = 0, .max_brightness = 0xfe, .dft_brightness = 0x7e, - .pwm_period_ns = 3500, + .pwm_period_ns = 3500 * 1024, .init = palm27x_backlight_init, .notify = palm27x_backlight_notify, .exit = palm27x_backlight_exit, diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index 978e1b2..1807c9a 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -33,7 +33,7 @@ int pxa_pm_enter(suspend_state_t state) #endif /* skip registers saving for standby */ - if (state != PM_SUSPEND_STANDBY) { + if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->save) { pxa_cpu_pm_fns->save(sleep_save); /* before sleeping, calculate and save a checksum */ for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++) @@ -44,7 +44,7 @@ int pxa_pm_enter(suspend_state_t state) pxa_cpu_pm_fns->enter(state); cpu_init(); - if (state != PM_SUSPEND_STANDBY) { + if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->restore) { /* after sleeping, validate the checksum */ for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++) checksum += sleep_save[i]; diff --git a/arch/arm/mach-s5pv310/Kconfig b/arch/arm/mach-s5pv310/Kconfig index 09c4c21..b2a9acc 100644 --- a/arch/arm/mach-s5pv310/Kconfig +++ b/arch/arm/mach-s5pv310/Kconfig @@ -122,6 +122,7 @@ config MACH_SMDKV310 select S3C_DEV_HSMMC2 select S3C_DEV_HSMMC3 select S5PV310_DEV_PD + select S5PV310_DEV_SYSMMU select S5PV310_SETUP_I2C1 select S5PV310_SETUP_SDHCI help diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-s5pv310/include/mach/map.h index 74d4006..3060f78 100644 --- a/arch/arm/mach-s5pv310/include/mach/map.h +++ b/arch/arm/mach-s5pv310/include/mach/map.h @@ -124,8 +124,6 @@ #define S5PV310_PA_SYSMMU_TV 0x12E20000 #define S5PV310_PA_SYSMMU_MFC_L 0x13620000 #define S5PV310_PA_SYSMMU_MFC_R 0x13630000 -#define S5PV310_SYSMMU_TOTAL_IPNUM 16 -#define S5P_SYSMMU_TOTAL_IPNUM S5PV310_SYSMMU_TOTAL_IPNUM /* compatibiltiy defines. */ #define S3C_PA_UART S5PV310_PA_UART diff --git a/arch/arm/mach-s5pv310/include/mach/sysmmu.h b/arch/arm/mach-s5pv310/include/mach/sysmmu.h index 662fe85f..598fc5c 100644 --- a/arch/arm/mach-s5pv310/include/mach/sysmmu.h +++ b/arch/arm/mach-s5pv310/include/mach/sysmmu.h @@ -13,6 +13,9 @@ #ifndef __ASM_ARM_ARCH_SYSMMU_H #define __ASM_ARM_ARCH_SYSMMU_H __FILE__ +#define S5PV310_SYSMMU_TOTAL_IPNUM 16 +#define S5P_SYSMMU_TOTAL_IPNUM S5PV310_SYSMMU_TOTAL_IPNUM + enum s5pv310_sysmmu_ips { SYSMMU_MDMA, SYSMMU_SSS, @@ -32,7 +35,7 @@ enum s5pv310_sysmmu_ips { SYSMMU_MFC_R, }; -static char *sysmmu_ips_name[S5P_SYSMMU_TOTAL_IPNUM] = { +static char *sysmmu_ips_name[S5PV310_SYSMMU_TOTAL_IPNUM] = { "SYSMMU_MDMA" , "SYSMMU_SSS" , "SYSMMU_FIMC0" , diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index d43c5ef..bd3e1bf 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -241,6 +241,9 @@ static struct locomo_platform_data locomo_info = { struct platform_device collie_locomo_device = { .name = "locomo", .id = 0, + .dev = { + .platform_data = &locomo_info, + }, .num_resources = ARRAY_SIZE(locomo_resources), .resource = locomo_resources, }; diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 9d30c6f..e4509ba 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -405,7 +405,7 @@ config CPU_V6 config CPU_32v6K bool "Support ARM V6K processor extensions" if !SMP depends on CPU_V6 || CPU_V7 - default y if SMP && !(ARCH_MX3 || ARCH_OMAP2) + default y if SMP help Say Y here if your ARMv6 processor supports the 'K' extension. This enables the kernel to use some instructions not present @@ -416,7 +416,7 @@ config CPU_32v6K # ARMv7 config CPU_V7 bool "Support ARM V7 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX - select CPU_32v6K if !ARCH_OMAP2 + select CPU_32v6K select CPU_32v7 select CPU_ABRT_EV7 select CPU_PABRT_V7 @@ -644,7 +644,7 @@ config ARM_THUMBEE config SWP_EMULATE bool "Emulate SWP/SWPB instructions" - depends on CPU_V7 && !CPU_V6 + depends on !CPU_USE_DOMAINS && CPU_V7 && !CPU_V6 select HAVE_PROC_CPU if PROC_FS default y if SMP help diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c index 8aa9744..c074e66 100644 --- a/arch/arm/oprofile/common.c +++ b/arch/arm/oprofile/common.c @@ -10,8 +10,6 @@ */ #include <linux/cpumask.h> -#include <linux/err.h> -#include <linux/errno.h> #include <linux/init.h> #include <linux/mutex.h> #include <linux/oprofile.h> @@ -46,6 +44,7 @@ char *op_name_from_perf_id(void) return NULL; } } +#endif static int report_trace(struct stackframe *frame, void *d) { @@ -85,7 +84,7 @@ static struct frame_tail* user_backtrace(struct frame_tail *tail) /* frame pointers should strictly progress back up the stack * (towards higher addresses) */ - if (tail >= buftail[0].fp) + if (tail + 1 >= buftail[0].fp) return NULL; return buftail[0].fp-1; @@ -111,6 +110,7 @@ static void arm_backtrace(struct pt_regs * const regs, unsigned int depth) int __init oprofile_arch_init(struct oprofile_operations *ops) { + /* provide backtrace support also in timer mode: */ ops->backtrace = arm_backtrace; return oprofile_perf_init(ops); @@ -120,11 +120,3 @@ void __exit oprofile_arch_exit(void) { oprofile_perf_exit(); } -#else -int __init oprofile_arch_init(struct oprofile_operations *ops) -{ - pr_info("oprofile: hardware counters not available\n"); - return -ENODEV; -} -void __exit oprofile_arch_exit(void) {} -#endif /* CONFIG_HW_PERF_EVENTS */ diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h index 3a70ebf..ff469c4 100644 --- a/arch/arm/plat-mxc/include/mach/uncompress.h +++ b/arch/arm/plat-mxc/include/mach/uncompress.h @@ -95,6 +95,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id) case MACH_TYPE_MX35_3DS: case MACH_TYPE_PCM043: case MACH_TYPE_LILLY1131: + case MACH_TYPE_VPR200: uart_base = MX3X_UART1_BASE_ADDR; break; case MACH_TYPE_MAGX_ZN5: @@ -102,6 +103,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id) break; case MACH_TYPE_MX51_BABBAGE: case MACH_TYPE_EUKREA_CPUIMX51SD: + case MACH_TYPE_MX51_3DS: uart_base = MX51_UART1_BASE_ADDR; break; case MACH_TYPE_MX50_RDP: diff --git a/arch/arm/plat-pxa/mfp.c b/arch/arm/plat-pxa/mfp.c index b77e018..a9aa5ad 100644 --- a/arch/arm/plat-pxa/mfp.c +++ b/arch/arm/plat-pxa/mfp.c @@ -139,10 +139,11 @@ static const unsigned long mfpr_edge[] = { #define mfp_configured(p) ((p)->config != -1) /* - * perform a read-back of any MFPR register to make sure the + * perform a read-back of any valid MFPR register to make sure the * previous writings are finished */ -#define mfpr_sync() (void)__raw_readl(mfpr_mmio_base + 0) +static unsigned long mfpr_off_readback; +#define mfpr_sync() (void)__raw_readl(mfpr_mmio_base + mfpr_off_readback) static inline void __mfp_config_run(struct mfp_pin *p) { @@ -248,6 +249,9 @@ void __init mfp_init_addr(struct mfp_addr_map *map) spin_lock_irqsave(&mfp_spin_lock, flags); + /* mfp offset for readback */ + mfpr_off_readback = map[0].offset; + for (p = map; p->start != MFP_PIN_INVALID; p++) { offset = p->offset; i = p->start; diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig index deb3995..557f8c5 100644 --- a/arch/arm/plat-s5p/Kconfig +++ b/arch/arm/plat-s5p/Kconfig @@ -37,6 +37,14 @@ config S5P_GPIO_INT help Common code for the GPIO interrupts (other than external interrupts.) +comment "System MMU" + +config S5P_SYSTEM_MMU + bool "S5P SYSTEM MMU" + depends on ARCH_S5PV310 + help + Say Y here if you want to enable System MMU + config S5P_DEV_FIMC0 bool help @@ -66,19 +74,3 @@ config S5P_DEV_CSIS1 bool help Compile in platform device definitions for MIPI-CSIS channel 1 - -menuconfig S5P_SYSMMU - bool "SYSMMU support" - depends on ARCH_S5PV310 - help - This is a System MMU driver for Samsung ARM based Soc. - -if S5P_SYSMMU - -config S5P_SYSMMU_DEBUG - bool "Enables debug messages" - depends on S5P_SYSMMU - help - This enables SYSMMU driver debug massages. - -endif diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile index 92efe1a..4bd5cf9 100644 --- a/arch/arm/plat-s5p/Makefile +++ b/arch/arm/plat-s5p/Makefile @@ -19,6 +19,7 @@ obj-y += clock.o obj-y += irq.o obj-$(CONFIG_S5P_EXT_INT) += irq-eint.o obj-$(CONFIG_S5P_GPIO_INT) += irq-gpioint.o +obj-$(CONFIG_S5P_SYSTEM_MMU) += sysmmu.o obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_PM) += irq-pm.o @@ -30,4 +31,3 @@ obj-$(CONFIG_S5P_DEV_FIMC2) += dev-fimc2.o obj-$(CONFIG_S5P_DEV_ONENAND) += dev-onenand.o obj-$(CONFIG_S5P_DEV_CSIS0) += dev-csis0.o obj-$(CONFIG_S5P_DEV_CSIS1) += dev-csis1.o -obj-$(CONFIG_S5P_SYSMMU) += sysmmu.o diff --git a/arch/arm/plat-s5p/include/plat/sysmmu.h b/arch/arm/plat-s5p/include/plat/sysmmu.h deleted file mode 100644 index db298fc..0000000 --- a/arch/arm/plat-s5p/include/plat/sysmmu.h +++ /dev/null @@ -1,23 +0,0 @@ -/* linux/arch/arm/plat-s5p/include/plat/sysmmu.h - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * Samsung sysmmu driver - * - * 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. -*/ - -#ifndef __ASM_PLAT_S5P_SYSMMU_H -#define __ASM_PLAT_S5P_SYSMMU_H __FILE__ - -/* debug macro */ -#ifdef CONFIG_S5P_SYSMMU_DEBUG -#define sysmmu_debug(fmt, arg...) printk(KERN_INFO "[%s] " fmt, __func__, ## arg) -#else -#define sysmmu_debug(fmt, arg...) do { } while (0) -#endif - -#endif /* __ASM_PLAT_S5P_SYSMMU_H */ diff --git a/arch/arm/plat-s5p/sysmmu.c b/arch/arm/plat-s5p/sysmmu.c index d804914..ffe8a48 100644 --- a/arch/arm/plat-s5p/sysmmu.c +++ b/arch/arm/plat-s5p/sysmmu.c @@ -16,8 +16,6 @@ #include <mach/regs-sysmmu.h> #include <mach/sysmmu.h> -#include <plat/sysmmu.h> - struct sysmmu_controller s5p_sysmmu_cntlrs[S5P_SYSMMU_TOTAL_IPNUM]; void s5p_sysmmu_register(struct sysmmu_controller *sysmmuconp) @@ -123,7 +121,7 @@ static int s5p_sysmmu_set_tablebase(sysmmu_ips ips) : "=r" (pg) : : "cc"); \ pg &= ~0x3fff; - sysmmu_debug("CP15 TTBR0 : 0x%x\n", pg); + printk(KERN_INFO "%s: CP15 TTBR0 : 0x%x\n", __func__, pg); /* Set sysmmu page table base address */ __raw_writel(pg, sysmmuconp->regs + S5P_PT_BASE_ADDR); diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h index d9025e3..30518cc 100644 --- a/arch/arm/plat-samsung/include/plat/pm.h +++ b/arch/arm/plat-samsung/include/plat/pm.h @@ -17,6 +17,8 @@ #include <linux/irq.h> +struct sys_device; + #ifdef CONFIG_PM extern __init int s3c_pm_init(void); diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index 2fea897..9d6feaa 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -12,7 +12,7 @@ # # http://www.arm.linux.org.uk/developer/machines/?action=new # -# Last update: Sun Dec 12 23:24:27 2010 +# Last update: Mon Feb 7 08:59:27 2011 # # machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number # @@ -2240,7 +2240,7 @@ arm_ultimator2 MACH_ARM_ULTIMATOR2 ARM_ULTIMATOR2 2250 vs_v210 MACH_VS_V210 VS_V210 2252 vs_v212 MACH_VS_V212 VS_V212 2253 hmt MACH_HMT HMT 2254 -suen3 MACH_SUEN3 SUEN3 2255 +km_kirkwood MACH_KM_KIRKWOOD KM_KIRKWOOD 2255 vesper MACH_VESPER VESPER 2256 str9 MACH_STR9 STR9 2257 omap3_wl_ff MACH_OMAP3_WL_FF OMAP3_WL_FF 2258 @@ -2987,7 +2987,7 @@ pxwnas_500_1000 MACH_PXWNAS_500_1000 PXWNAS_500_1000 3001 ea20 MACH_EA20 EA20 3002 awm2 MACH_AWM2 AWM2 3003 ti8148evm MACH_TI8148EVM TI8148EVM 3004 -tegra_seaboard MACH_TEGRA_SEABOARD TEGRA_SEABOARD 3005 +seaboard MACH_SEABOARD SEABOARD 3005 linkstation_chlv2 MACH_LINKSTATION_CHLV2 LINKSTATION_CHLV2 3006 tera_pro2_rack MACH_TERA_PRO2_RACK TERA_PRO2_RACK 3007 rubys MACH_RUBYS RUBYS 3008 @@ -3190,7 +3190,7 @@ synergy MACH_SYNERGY SYNERGY 3205 ics_if_voip MACH_ICS_IF_VOIP ICS_IF_VOIP 3206 wlf_cragg_6410 MACH_WLF_CRAGG_6410 WLF_CRAGG_6410 3207 punica MACH_PUNICA PUNICA 3208 -sbc_nt250 MACH_SBC_NT250 SBC_NT250 3209 +trimslice MACH_TRIMSLICE TRIMSLICE 3209 mx27_wmultra MACH_MX27_WMULTRA MX27_WMULTRA 3210 mackerel MACH_MACKEREL MACKEREL 3211 fa9x27 MACH_FA9X27 FA9X27 3213 @@ -3219,3 +3219,100 @@ pivicc MACH_PIVICC PIVICC 3235 pcm048 MACH_PCM048 PCM048 3236 dds MACH_DDS DDS 3237 chalten_xa1 MACH_CHALTEN_XA1 CHALTEN_XA1 3238 +ts48xx MACH_TS48XX TS48XX 3239 +tonga2_tfttimer MACH_TONGA2_TFTTIMER TONGA2_TFTTIMER 3240 +whistler MACH_WHISTLER WHISTLER 3241 +asl_phoenix MACH_ASL_PHOENIX ASL_PHOENIX 3242 +at91sam9263otlite MACH_AT91SAM9263OTLITE AT91SAM9263OTLITE 3243 +ddplug MACH_DDPLUG DDPLUG 3244 +d2plug MACH_D2PLUG D2PLUG 3245 +kzm9d MACH_KZM9D KZM9D 3246 +verdi_lte MACH_VERDI_LTE VERDI_LTE 3247 +nanozoom MACH_NANOZOOM NANOZOOM 3248 +dm3730_som_lv MACH_DM3730_SOM_LV DM3730_SOM_LV 3249 +dm3730_torpedo MACH_DM3730_TORPEDO DM3730_TORPEDO 3250 +anchovy MACH_ANCHOVY ANCHOVY 3251 +re2rev20 MACH_RE2REV20 RE2REV20 3253 +re2rev21 MACH_RE2REV21 RE2REV21 3254 +cns21xx MACH_CNS21XX CNS21XX 3255 +rider MACH_RIDER RIDER 3257 +nsk330 MACH_NSK330 NSK330 3258 +cns2133evb MACH_CNS2133EVB CNS2133EVB 3259 +z3_816x_mod MACH_Z3_816X_MOD Z3_816X_MOD 3260 +z3_814x_mod MACH_Z3_814X_MOD Z3_814X_MOD 3261 +beect MACH_BEECT BEECT 3262 +dma_thunderbug MACH_DMA_THUNDERBUG DMA_THUNDERBUG 3263 +omn_at91sam9g20 MACH_OMN_AT91SAM9G20 OMN_AT91SAM9G20 3264 +mx25_e2s_uc MACH_MX25_E2S_UC MX25_E2S_UC 3265 +mione MACH_MIONE MIONE 3266 +top9000_tcu MACH_TOP9000_TCU TOP9000_TCU 3267 +top9000_bsl MACH_TOP9000_BSL TOP9000_BSL 3268 +kingdom MACH_KINGDOM KINGDOM 3269 +armadillo460 MACH_ARMADILLO460 ARMADILLO460 3270 +lq2 MACH_LQ2 LQ2 3271 +sweda_tms2 MACH_SWEDA_TMS2 SWEDA_TMS2 3272 +mx53_loco MACH_MX53_LOCO MX53_LOCO 3273 +acer_a8 MACH_ACER_A8 ACER_A8 3275 +acer_gauguin MACH_ACER_GAUGUIN ACER_GAUGUIN 3276 +guppy MACH_GUPPY GUPPY 3277 +mx61_ard MACH_MX61_ARD MX61_ARD 3278 +tx53 MACH_TX53 TX53 3279 +omapl138_case_a3 MACH_OMAPL138_CASE_A3 OMAPL138_CASE_A3 3280 +uemd MACH_UEMD UEMD 3281 +ccwmx51mut MACH_CCWMX51MUT CCWMX51MUT 3282 +rockhopper MACH_ROCKHOPPER ROCKHOPPER 3283 +nookcolor MACH_NOOKCOLOR NOOKCOLOR 3284 +hkdkc100 MACH_HKDKC100 HKDKC100 3285 +ts42xx MACH_TS42XX TS42XX 3286 +aebl MACH_AEBL AEBL 3287 +wario MACH_WARIO WARIO 3288 +gfs_spm MACH_GFS_SPM GFS_SPM 3289 +cm_t3730 MACH_CM_T3730 CM_T3730 3290 +isc3 MACH_ISC3 ISC3 3291 +rascal MACH_RASCAL RASCAL 3292 +hrefv60 MACH_HREFV60 HREFV60 3293 +tpt_2_0 MACH_TPT_2_0 TPT_2_0 3294 +pyramid_td MACH_PYRAMID_TD PYRAMID_TD 3295 +splendor MACH_SPLENDOR SPLENDOR 3296 +guf_planet MACH_GUF_PLANET GUF_PLANET 3297 +msm8x60_qt MACH_MSM8X60_QT MSM8X60_QT 3298 +htc_hd_mini MACH_HTC_HD_MINI HTC_HD_MINI 3299 +athene MACH_ATHENE ATHENE 3300 +deep_r_ek_1 MACH_DEEP_R_EK_1 DEEP_R_EK_1 3301 +vivow_ct MACH_VIVOW_CT VIVOW_CT 3302 +nery_1000 MACH_NERY_1000 NERY_1000 3303 +rfl109145_ssrv MACH_RFL109145_SSRV RFL109145_SSRV 3304 +nmh MACH_NMH NMH 3305 +wn802t MACH_WN802T WN802T 3306 +dragonet MACH_DRAGONET DRAGONET 3307 +geneva_b MACH_GENEVA_B GENEVA_B 3308 +at91sam9263desk16l MACH_AT91SAM9263DESK16L AT91SAM9263DESK16L 3309 +bcmhana_sv MACH_BCMHANA_SV BCMHANA_SV 3310 +bcmhana_tablet MACH_BCMHANA_TABLET BCMHANA_TABLET 3311 +koi MACH_KOI KOI 3312 +ts4800 MACH_TS4800 TS4800 3313 +tqma9263 MACH_TQMA9263 TQMA9263 3314 +holiday MACH_HOLIDAY HOLIDAY 3315 +dma_6410 MACH_DMA6410 DMA6410 3316 +pcats_overlay MACH_PCATS_OVERLAY PCATS_OVERLAY 3317 +hwgw6410 MACH_HWGW6410 HWGW6410 3318 +shenzhou MACH_SHENZHOU SHENZHOU 3319 +cwme9210 MACH_CWME9210 CWME9210 3320 +cwme9210js MACH_CWME9210JS CWME9210JS 3321 +pgs_v1 MACH_PGS_SITARA PGS_SITARA 3322 +colibri_tegra2 MACH_COLIBRI_TEGRA2 COLIBRI_TEGRA2 3323 +w21 MACH_W21 W21 3324 +polysat1 MACH_POLYSAT1 POLYSAT1 3325 +dataway MACH_DATAWAY DATAWAY 3326 +cobral138 MACH_COBRAL138 COBRAL138 3327 +roverpcs8 MACH_ROVERPCS8 ROVERPCS8 3328 +marvelc MACH_MARVELC MARVELC 3329 +navefihid MACH_NAVEFIHID NAVEFIHID 3330 +dm365_cv100 MACH_DM365_CV100 DM365_CV100 3331 +able MACH_ABLE ABLE 3332 +legacy MACH_LEGACY LEGACY 3333 +icong MACH_ICONG ICONG 3334 +rover_g8 MACH_ROVER_G8 ROVER_G8 3335 +t5388p MACH_T5388P T5388P 3336 +dingo MACH_DINGO DINGO 3337 +goflexhome MACH_GOFLEXHOME GOFLEXHOME 3338 diff --git a/arch/blackfin/include/asm/bfin_serial.h b/arch/blackfin/include/asm/bfin_serial.h index 1ff9f14..7dbc664 100644 --- a/arch/blackfin/include/asm/bfin_serial.h +++ b/arch/blackfin/include/asm/bfin_serial.h @@ -10,6 +10,7 @@ #define __BFIN_ASM_SERIAL_H__ #include <linux/serial_core.h> +#include <linux/spinlock.h> #include <mach/anomaly.h> #include <mach/bfin_serial.h> @@ -41,6 +42,7 @@ struct bfin_serial_port { struct circ_buf rx_dma_buf; struct timer_list rx_dma_timer; int rx_dma_nrows; + spinlock_t rx_lock; unsigned int tx_dma_channel; unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; diff --git a/arch/m32r/kernel/irq.c b/arch/m32r/kernel/irq.c index f745c12..76eaf38 100644 --- a/arch/m32r/kernel/irq.c +++ b/arch/m32r/kernel/irq.c @@ -80,7 +80,7 @@ asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs) #ifdef CONFIG_DEBUG_STACKOVERFLOW /* FIXME M32R */ #endif - __do_IRQ(irq); + generic_handle_irq(irq); irq_exit(); set_irq_regs(old_regs); diff --git a/arch/m68k/include/asm/string.h b/arch/m68k/include/asm/string.h index 65b1312..3219845 100644 --- a/arch/m68k/include/asm/string.h +++ b/arch/m68k/include/asm/string.h @@ -99,14 +99,12 @@ static inline int strcmp(const char *cs, const char *ct) : "+a" (cs), "+a" (ct), "=d" (res)); return res; } +#endif /* CONFIG_COLDFIRE */ #define __HAVE_ARCH_MEMMOVE extern void *memmove(void *, const void *, __kernel_size_t); -#define __HAVE_ARCH_MEMCMP -extern int memcmp(const void *, const void *, __kernel_size_t); #define memcmp(d, s, n) __builtin_memcmp(d, s, n) -#endif /* CONFIG_COLDFIRE */ #define __HAVE_ARCH_MEMSET extern void *memset(void *, int, __kernel_size_t); diff --git a/arch/m68k/lib/string.c b/arch/m68k/lib/string.c index 4253f87..d399c5f 100644 --- a/arch/m68k/lib/string.c +++ b/arch/m68k/lib/string.c @@ -243,14 +243,3 @@ void *memmove(void *dest, const void *src, size_t n) return xdest; } EXPORT_SYMBOL(memmove); - -int memcmp(const void *cs, const void *ct, size_t count) -{ - const unsigned char *su1, *su2; - - for (su1 = cs, su2 = ct; count > 0; ++su1, ++su2, count--) - if (*su1 != *su2) - return *su1 < *su2 ? -1 : +1; - return 0; -} -EXPORT_SYMBOL(memcmp); diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S index ef33213..47e15eb 100644 --- a/arch/m68knommu/kernel/vmlinux.lds.S +++ b/arch/m68knommu/kernel/vmlinux.lds.S @@ -141,6 +141,12 @@ SECTIONS { *(__param) __stop___param = .; + /* Built-in module versions */ + . = ALIGN(4) ; + __start___modver = .; + *(__modver) + __stop___modver = .; + . = ALIGN(4) ; _etext = . ; } > TEXT diff --git a/arch/m68knommu/lib/Makefile b/arch/m68knommu/lib/Makefile index d94d709..32d852e 100644 --- a/arch/m68knommu/lib/Makefile +++ b/arch/m68knommu/lib/Makefile @@ -4,4 +4,4 @@ lib-y := ashldi3.o ashrdi3.o lshrdi3.o \ muldi3.o mulsi3.o divsi3.o udivsi3.o modsi3.o umodsi3.o \ - checksum.o memcpy.o memset.o delay.o + checksum.o memcpy.o memmove.o memset.o delay.o diff --git a/arch/m68knommu/lib/memmove.c b/arch/m68knommu/lib/memmove.c new file mode 100644 index 0000000..b3dcfe9 --- /dev/null +++ b/arch/m68knommu/lib/memmove.c @@ -0,0 +1,105 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#define __IN_STRING_C + +#include <linux/module.h> +#include <linux/string.h> + +void *memmove(void *dest, const void *src, size_t n) +{ + void *xdest = dest; + size_t temp; + + if (!n) + return xdest; + + if (dest < src) { + if ((long)dest & 1) { + char *cdest = dest; + const char *csrc = src; + *cdest++ = *csrc++; + dest = cdest; + src = csrc; + n--; + } + if (n > 2 && (long)dest & 2) { + short *sdest = dest; + const short *ssrc = src; + *sdest++ = *ssrc++; + dest = sdest; + src = ssrc; + n -= 2; + } + temp = n >> 2; + if (temp) { + long *ldest = dest; + const long *lsrc = src; + temp--; + do + *ldest++ = *lsrc++; + while (temp--); + dest = ldest; + src = lsrc; + } + if (n & 2) { + short *sdest = dest; + const short *ssrc = src; + *sdest++ = *ssrc++; + dest = sdest; + src = ssrc; + } + if (n & 1) { + char *cdest = dest; + const char *csrc = src; + *cdest = *csrc; + } + } else { + dest = (char *)dest + n; + src = (const char *)src + n; + if ((long)dest & 1) { + char *cdest = dest; + const char *csrc = src; + *--cdest = *--csrc; + dest = cdest; + src = csrc; + n--; + } + if (n > 2 && (long)dest & 2) { + short *sdest = dest; + const short *ssrc = src; + *--sdest = *--ssrc; + dest = sdest; + src = ssrc; + n -= 2; + } + temp = n >> 2; + if (temp) { + long *ldest = dest; + const long *lsrc = src; + temp--; + do + *--ldest = *--lsrc; + while (temp--); + dest = ldest; + src = lsrc; + } + if (n & 2) { + short *sdest = dest; + const short *ssrc = src; + *--sdest = *--ssrc; + dest = sdest; + src = ssrc; + } + if (n & 1) { + char *cdest = dest; + const char *csrc = src; + *--cdest = *--csrc; + } + } + return xdest; +} +EXPORT_SYMBOL(memmove); diff --git a/arch/m68knommu/platform/5249/intc2.c b/arch/m68knommu/platform/5249/intc2.c index d09d9da..c5151f8 100644 --- a/arch/m68knommu/platform/5249/intc2.c +++ b/arch/m68knommu/platform/5249/intc2.c @@ -50,8 +50,10 @@ static int __init mcf_intc2_init(void) int irq; /* GPIO interrupt sources */ - for (irq = MCFINTC2_GPIOIRQ0; (irq <= MCFINTC2_GPIOIRQ7); irq++) + for (irq = MCFINTC2_GPIOIRQ0; (irq <= MCFINTC2_GPIOIRQ7); irq++) { irq_desc[irq].chip = &intc2_irq_gpio_chip; + set_irq_handler(irq, handle_edge_irq); + } return 0; } diff --git a/arch/m68knommu/platform/68328/entry.S b/arch/m68knommu/platform/68328/entry.S index 240a7a6..676960c 100644 --- a/arch/m68knommu/platform/68328/entry.S +++ b/arch/m68knommu/platform/68328/entry.S @@ -108,7 +108,6 @@ Luser_return: movel %d1,%a2 1: move %a2@(TI_FLAGS),%d1 /* thread_info->flags */ - andl #_TIF_WORK_MASK,%d1 jne Lwork_to_do RESTORE_ALL diff --git a/arch/m68knommu/platform/68360/commproc.c b/arch/m68knommu/platform/68360/commproc.c index f27e688..8e4e10c 100644 --- a/arch/m68knommu/platform/68360/commproc.c +++ b/arch/m68knommu/platform/68360/commproc.c @@ -210,7 +210,7 @@ void cpm_install_handler(int vec, void (*handler)(), void *dev_id) { - request_irq(vec, handler, IRQ_FLG_LOCK, "timer", dev_id); + request_irq(vec, handler, 0, "timer", dev_id); /* if (cpm_vecs[vec].handler != 0) */ /* printk(KERN_INFO "CPM interrupt %x replacing %x\n", */ diff --git a/arch/m68knommu/platform/68360/config.c b/arch/m68knommu/platform/68360/config.c index ac629fa3..9dd5bca 100644 --- a/arch/m68knommu/platform/68360/config.c +++ b/arch/m68knommu/platform/68360/config.c @@ -75,7 +75,7 @@ void hw_timer_init(void) /* Set compare register 32Khz / 32 / 10 = 100 */ TCMP = 10; - request_irq(IRQ_MACHSPEC | 1, timer_routine, IRQ_FLG_LOCK, "timer", NULL); + request_irq(IRQ_MACHSPEC | 1, timer_routine, 0, "timer", NULL); #endif /* General purpose quicc timers: MC68360UM p7-20 */ diff --git a/arch/m68knommu/platform/68360/entry.S b/arch/m68knommu/platform/68360/entry.S index 8a28788..46c1b18 100644 --- a/arch/m68knommu/platform/68360/entry.S +++ b/arch/m68knommu/platform/68360/entry.S @@ -104,7 +104,6 @@ Luser_return: movel %d1,%a2 1: move %a2@(TI_FLAGS),%d1 /* thread_info->flags */ - andl #_TIF_WORK_MASK,%d1 jne Lwork_to_do RESTORE_ALL diff --git a/arch/m68knommu/platform/68360/ints.c b/arch/m68knommu/platform/68360/ints.c index ad96ab1..a29041c 100644 --- a/arch/m68knommu/platform/68360/ints.c +++ b/arch/m68knommu/platform/68360/ints.c @@ -132,8 +132,8 @@ void init_IRQ(void) pquicc->intr_cimr = 0x00000000; for (i = 0; (i < NR_IRQS); i++) { - set_irq_chip(irq, &intc_irq_chip); - set_irq_handler(irq, handle_level_irq); + set_irq_chip(i, &intc_irq_chip); + set_irq_handler(i, handle_level_irq); } } diff --git a/arch/m68knommu/platform/coldfire/entry.S b/arch/m68knommu/platform/coldfire/entry.S index 4ddfc3da..5837cf0 100644 --- a/arch/m68knommu/platform/coldfire/entry.S +++ b/arch/m68knommu/platform/coldfire/entry.S @@ -138,7 +138,6 @@ Luser_return: andl #-THREAD_SIZE,%d1 /* at base of kernel stack */ movel %d1,%a0 movel %a0@(TI_FLAGS),%d1 /* get thread_info->flags */ - andl #0xefff,%d1 jne Lwork_to_do /* still work to do */ Lreturn: diff --git a/arch/microblaze/include/asm/irqflags.h b/arch/microblaze/include/asm/irqflags.h index 5fd3190..c4532f0 100644 --- a/arch/microblaze/include/asm/irqflags.h +++ b/arch/microblaze/include/asm/irqflags.h @@ -12,7 +12,7 @@ #include <linux/types.h> #include <asm/registers.h> -#ifdef CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR +#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR static inline unsigned long arch_local_irq_save(void) { diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h index b23f680..885574a 100644 --- a/arch/microblaze/include/asm/pgtable.h +++ b/arch/microblaze/include/asm/pgtable.h @@ -411,20 +411,19 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) static inline unsigned long pte_update(pte_t *p, unsigned long clr, unsigned long set) { - unsigned long old, tmp, msr; - - __asm__ __volatile__("\ - msrclr %2, 0x2\n\ - nop\n\ - lw %0, %4, r0\n\ - andn %1, %0, %5\n\ - or %1, %1, %6\n\ - sw %1, %4, r0\n\ - mts rmsr, %2\n\ - nop" - : "=&r" (old), "=&r" (tmp), "=&r" (msr), "=m" (*p) - : "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set), "m" (*p) - : "cc"); + unsigned long flags, old, tmp; + + raw_local_irq_save(flags); + + __asm__ __volatile__( "lw %0, %2, r0 \n" + "andn %1, %0, %3 \n" + "or %1, %1, %4 \n" + "sw %1, %2, r0 \n" + : "=&r" (old), "=&r" (tmp) + : "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set) + : "cc"); + + raw_local_irq_restore(flags); return old; } diff --git a/arch/microblaze/kernel/cpu/pvr.c b/arch/microblaze/kernel/cpu/pvr.c index e01afa6..488c1ed 100644 --- a/arch/microblaze/kernel/cpu/pvr.c +++ b/arch/microblaze/kernel/cpu/pvr.c @@ -27,7 +27,7 @@ register unsigned tmp __asm__("r3"); \ tmp = 0x0; /* Prevent warning about unused */ \ __asm__ __volatile__ ( \ - "mfs %0, rpvr" #pvrid ";" \ + "mfs %0, rpvr" #pvrid ";" \ : "=r" (tmp) : : "memory"); \ val = tmp; \ } @@ -54,7 +54,7 @@ int cpu_has_pvr(void) if (!(flags & PVR_MSR_BIT)) return 0; - get_single_pvr(0x00, pvr0); + get_single_pvr(0, pvr0); pr_debug("%s: pvr0 is 0x%08x\n", __func__, pvr0); if (pvr0 & PVR0_PVR_FULL_MASK) diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S index 4243400..778a5ce 100644 --- a/arch/microblaze/kernel/head.S +++ b/arch/microblaze/kernel/head.S @@ -62,23 +62,32 @@ real_start: andi r1, r1, ~2 mts rmsr, r1 /* - * Here is checking mechanism which check if Microblaze has msr instructions - * We load msr and compare it with previous r1 value - if is the same, - * msr instructions works if not - cpu don't have them. + * According to Xilinx, msrclr instruction behaves like 'mfs rX,rpc' + * if the msrclr instruction is not enabled. We use this to detect + * if the opcode is available, by issuing msrclr and then testing the result. + * r8 == 0 - msr instructions are implemented + * r8 != 0 - msr instructions are not implemented */ - /* r8=0 - I have msr instr, 1 - I don't have them */ - rsubi r0, r0, 1 /* set the carry bit */ - msrclr r0, 0x4 /* try to clear it */ - /* read the carry bit, r8 will be '0' if msrclr exists */ - addik r8, r0, 0 + msrclr r8, 0 /* clear nothing - just read msr for test */ + cmpu r8, r8, r1 /* r1 must contain msr reg content */ /* r7 may point to an FDT, or there may be one linked in. if it's in r7, we've got to save it away ASAP. We ensure r7 points to a valid FDT, just in case the bootloader is broken or non-existent */ beqi r7, no_fdt_arg /* NULL pointer? don't copy */ - lw r11, r0, r7 /* Does r7 point to a */ - rsubi r11, r11, OF_DT_HEADER /* valid FDT? */ +/* Does r7 point to a valid FDT? Load HEADER magic number */ + /* Run time Big/Little endian platform */ + /* Save 1 as word and load byte - 0 - BIG, 1 - LITTLE */ + addik r11, r0, 0x1 /* BIG/LITTLE checking value */ + /* __bss_start will be zeroed later - it is just temp location */ + swi r11, r0, TOPHYS(__bss_start) + lbui r11, r0, TOPHYS(__bss_start) + beqid r11, big_endian /* DO NOT break delay stop dependency */ + lw r11, r0, r7 /* Big endian load in delay slot */ + lwr r11, r0, r7 /* Little endian load */ +big_endian: + rsubi r11, r11, OF_DT_HEADER /* Check FDT header */ beqi r11, _prepare_copy_fdt or r7, r0, r0 /* clear R7 when not valid DTB */ bnei r11, no_fdt_arg /* No - get out of here */ diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index 25f6e07..782680d 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S @@ -147,10 +147,6 @@ #if CONFIG_XILINX_MICROBLAZE0_USE_BARREL > 0 #define BSRLI(rD, rA, imm) \ bsrli rD, rA, imm - #elif CONFIG_XILINX_MICROBLAZE0_USE_DIV > 0 - #define BSRLI(rD, rA, imm) \ - ori rD, r0, (1 << imm); \ - idivu rD, rD, rA #else #define BSRLI(rD, rA, imm) BSRLI ## imm (rD, rA) /* Only the used shift constants defined here - add more if needed */ diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index bb1558e..9312fbb 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -161,11 +161,11 @@ void __init machine_early_init(const char *cmdline, unsigned int ram, #if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR if (msr) eprintk("!!!Your kernel has setup MSR instruction but " - "CPU don't have it %d\n", msr); + "CPU don't have it %x\n", msr); #else if (!msr) eprintk("!!!Your kernel not setup MSR instruction but " - "CPU have it %d\n", msr); + "CPU have it %x\n", msr); #endif for (src = __ivt_start; src < __ivt_end; src++, dst++) diff --git a/arch/microblaze/lib/fastcopy.S b/arch/microblaze/lib/fastcopy.S index fdc48bb..62021d7 100644 --- a/arch/microblaze/lib/fastcopy.S +++ b/arch/microblaze/lib/fastcopy.S @@ -29,6 +29,10 @@ * between mem locations with size of xfer spec'd in bytes */ +#ifdef __MICROBLAZEEL__ +#error Microblaze LE not support ASM optimized lib func. Disable OPT_LIB_ASM. +#endif + #include <linux/linkage.h> .text .globl memcpy diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h index 8eaed81..17194fc 100644 --- a/arch/powerpc/include/asm/mmu-book3e.h +++ b/arch/powerpc/include/asm/mmu-book3e.h @@ -40,8 +40,8 @@ /* MAS registers bit definitions */ -#define MAS0_TLBSEL(x) ((x << 28) & 0x30000000) -#define MAS0_ESEL(x) ((x << 16) & 0x0FFF0000) +#define MAS0_TLBSEL(x) (((x) << 28) & 0x30000000) +#define MAS0_ESEL(x) (((x) << 16) & 0x0FFF0000) #define MAS0_NV(x) ((x) & 0x00000FFF) #define MAS0_HES 0x00004000 #define MAS0_WQ_ALLWAYS 0x00000000 @@ -50,12 +50,12 @@ #define MAS1_VALID 0x80000000 #define MAS1_IPROT 0x40000000 -#define MAS1_TID(x) ((x << 16) & 0x3FFF0000) +#define MAS1_TID(x) (((x) << 16) & 0x3FFF0000) #define MAS1_IND 0x00002000 #define MAS1_TS 0x00001000 #define MAS1_TSIZE_MASK 0x00000f80 #define MAS1_TSIZE_SHIFT 7 -#define MAS1_TSIZE(x) ((x << MAS1_TSIZE_SHIFT) & MAS1_TSIZE_MASK) +#define MAS1_TSIZE(x) (((x) << MAS1_TSIZE_SHIFT) & MAS1_TSIZE_MASK) #define MAS2_EPN 0xFFFFF000 #define MAS2_X0 0x00000040 diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index 53b64be..da4b200 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -101,7 +101,7 @@ extern phys_addr_t kernstart_addr; #ifdef CONFIG_FLATMEM #define ARCH_PFN_OFFSET (MEMORY_START >> PAGE_SHIFT) -#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < (ARCH_PFN_OFFSET + max_mapnr)) +#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr) #endif #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) diff --git a/arch/powerpc/kernel/cpu_setup_6xx.S b/arch/powerpc/kernel/cpu_setup_6xx.S index 55cba4a..f8cd9fb 100644 --- a/arch/powerpc/kernel/cpu_setup_6xx.S +++ b/arch/powerpc/kernel/cpu_setup_6xx.S @@ -18,7 +18,7 @@ #include <asm/mmu.h> _GLOBAL(__setup_cpu_603) - mflr r4 + mflr r5 BEGIN_MMU_FTR_SECTION li r10,0 mtspr SPRN_SPRG_603_LRU,r10 /* init SW LRU tracking */ @@ -27,60 +27,60 @@ BEGIN_FTR_SECTION bl __init_fpu_registers END_FTR_SECTION_IFCLR(CPU_FTR_FPU_UNAVAILABLE) bl setup_common_caches - mtlr r4 + mtlr r5 blr _GLOBAL(__setup_cpu_604) - mflr r4 + mflr r5 bl setup_common_caches bl setup_604_hid0 - mtlr r4 + mtlr r5 blr _GLOBAL(__setup_cpu_750) - mflr r4 + mflr r5 bl __init_fpu_registers bl setup_common_caches bl setup_750_7400_hid0 - mtlr r4 + mtlr r5 blr _GLOBAL(__setup_cpu_750cx) - mflr r4 + mflr r5 bl __init_fpu_registers bl setup_common_caches bl setup_750_7400_hid0 bl setup_750cx - mtlr r4 + mtlr r5 blr _GLOBAL(__setup_cpu_750fx) - mflr r4 + mflr r5 bl __init_fpu_registers bl setup_common_caches bl setup_750_7400_hid0 bl setup_750fx - mtlr r4 + mtlr r5 blr _GLOBAL(__setup_cpu_7400) - mflr r4 + mflr r5 bl __init_fpu_registers bl setup_7400_workarounds bl setup_common_caches bl setup_750_7400_hid0 - mtlr r4 + mtlr r5 blr _GLOBAL(__setup_cpu_7410) - mflr r4 + mflr r5 bl __init_fpu_registers bl setup_7410_workarounds bl setup_common_caches bl setup_750_7400_hid0 li r3,0 mtspr SPRN_L2CR2,r3 - mtlr r4 + mtlr r5 blr _GLOBAL(__setup_cpu_745x) - mflr r4 + mflr r5 bl setup_common_caches bl setup_745x_specifics - mtlr r4 + mtlr r5 blr /* Enable caches for 603's, 604, 750 & 7400 */ @@ -194,10 +194,10 @@ setup_750cx: cror 4*cr0+eq,4*cr0+eq,4*cr1+eq cror 4*cr0+eq,4*cr0+eq,4*cr2+eq bnelr - lwz r6,CPU_SPEC_FEATURES(r5) + lwz r6,CPU_SPEC_FEATURES(r4) li r7,CPU_FTR_CAN_NAP andc r6,r6,r7 - stw r6,CPU_SPEC_FEATURES(r5) + stw r6,CPU_SPEC_FEATURES(r4) blr /* 750fx specific @@ -225,12 +225,12 @@ BEGIN_FTR_SECTION andis. r11,r11,L3CR_L3E@h beq 1f END_FTR_SECTION_IFSET(CPU_FTR_L3CR) - lwz r6,CPU_SPEC_FEATURES(r5) + lwz r6,CPU_SPEC_FEATURES(r4) andi. r0,r6,CPU_FTR_L3_DISABLE_NAP beq 1f li r7,CPU_FTR_CAN_NAP andc r6,r6,r7 - stw r6,CPU_SPEC_FEATURES(r5) + stw r6,CPU_SPEC_FEATURES(r4) 1: mfspr r11,SPRN_HID0 diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 8d74a24..e8e915c 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -2076,8 +2076,8 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s) * pointer on ppc64 and booke as we are running at 0 in real mode * on ppc64 and reloc_offset is always 0 on booke. */ - if (s->cpu_setup) { - s->cpu_setup(offset, s); + if (t->cpu_setup) { + t->cpu_setup(offset, t); } #endif /* CONFIG_PPC64 || CONFIG_BOOKE */ } diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index bf5cb91..fd48123 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -186,7 +186,7 @@ static void unmap_cpu_from_node(unsigned long cpu) dbg("removing cpu %lu from node %d\n", cpu, node); if (cpumask_test_cpu(cpu, node_to_cpumask_map[node])) { - cpumask_set_cpu(cpu, node_to_cpumask_map[node]); + cpumask_clear_cpu(cpu, node_to_cpumask_map[node]); } else { printk(KERN_ERR "WARNING: cpu %lu not found in node %d\n", cpu, node); @@ -1289,10 +1289,9 @@ u64 memory_hotplug_max(void) } #endif /* CONFIG_MEMORY_HOTPLUG */ -/* Vrtual Processor Home Node (VPHN) support */ +/* Virtual Processor Home Node (VPHN) support */ #ifdef CONFIG_PPC_SPLPAR -#define VPHN_NR_CHANGE_CTRS (8) -static u8 vphn_cpu_change_counts[NR_CPUS][VPHN_NR_CHANGE_CTRS]; +static u8 vphn_cpu_change_counts[NR_CPUS][MAX_DISTANCE_REF_POINTS]; static cpumask_t cpu_associativity_changes_mask; static int vphn_enabled; static void set_topology_timer(void); @@ -1303,16 +1302,18 @@ static void set_topology_timer(void); */ static void setup_cpu_associativity_change_counters(void) { - int cpu = 0; + int cpu; + + /* The VPHN feature supports a maximum of 8 reference points */ + BUILD_BUG_ON(MAX_DISTANCE_REF_POINTS > 8); for_each_possible_cpu(cpu) { - int i = 0; + int i; u8 *counts = vphn_cpu_change_counts[cpu]; volatile u8 *hypervisor_counts = lppaca[cpu].vphn_assoc_counts; - for (i = 0; i < VPHN_NR_CHANGE_CTRS; i++) { + for (i = 0; i < distance_ref_points_depth; i++) counts[i] = hypervisor_counts[i]; - } } } @@ -1329,7 +1330,7 @@ static void setup_cpu_associativity_change_counters(void) */ static int update_cpu_associativity_changes_mask(void) { - int cpu = 0, nr_cpus = 0; + int cpu, nr_cpus = 0; cpumask_t *changes = &cpu_associativity_changes_mask; cpumask_clear(changes); @@ -1339,8 +1340,8 @@ static int update_cpu_associativity_changes_mask(void) u8 *counts = vphn_cpu_change_counts[cpu]; volatile u8 *hypervisor_counts = lppaca[cpu].vphn_assoc_counts; - for (i = 0; i < VPHN_NR_CHANGE_CTRS; i++) { - if (hypervisor_counts[i] > counts[i]) { + for (i = 0; i < distance_ref_points_depth; i++) { + if (hypervisor_counts[i] != counts[i]) { counts[i] = hypervisor_counts[i]; changed = 1; } @@ -1354,8 +1355,11 @@ static int update_cpu_associativity_changes_mask(void) return nr_cpus; } -/* 6 64-bit registers unpacked into 12 32-bit associativity values */ -#define VPHN_ASSOC_BUFSIZE (6*sizeof(u64)/sizeof(u32)) +/* + * 6 64-bit registers unpacked into 12 32-bit associativity values. To form + * the complete property we have to add the length in the first cell. + */ +#define VPHN_ASSOC_BUFSIZE (6*sizeof(u64)/sizeof(u32) + 1) /* * Convert the associativity domain numbers returned from the hypervisor @@ -1363,15 +1367,14 @@ static int update_cpu_associativity_changes_mask(void) */ static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked) { - int i = 0; - int nr_assoc_doms = 0; + int i, nr_assoc_doms = 0; const u16 *field = (const u16*) packed; #define VPHN_FIELD_UNUSED (0xffff) #define VPHN_FIELD_MSB (0x8000) #define VPHN_FIELD_MASK (~VPHN_FIELD_MSB) - for (i = 0; i < VPHN_ASSOC_BUFSIZE; i++) { + for (i = 1; i < VPHN_ASSOC_BUFSIZE; i++) { if (*field == VPHN_FIELD_UNUSED) { /* All significant fields processed, and remaining * fields contain the reserved value of all 1's. @@ -1379,14 +1382,12 @@ static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked) */ unpacked[i] = *((u32*)field); field += 2; - } - else if (*field & VPHN_FIELD_MSB) { + } else if (*field & VPHN_FIELD_MSB) { /* Data is in the lower 15 bits of this field */ unpacked[i] = *field & VPHN_FIELD_MASK; field++; nr_assoc_doms++; - } - else { + } else { /* Data is in the lower 15 bits of this field * concatenated with the next 16 bit field */ @@ -1396,6 +1397,9 @@ static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked) } } + /* The first cell contains the length of the property */ + unpacked[0] = nr_assoc_doms; + return nr_assoc_doms; } @@ -1405,7 +1409,7 @@ static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked) */ static long hcall_vphn(unsigned long cpu, unsigned int *associativity) { - long rc = 0; + long rc; long retbuf[PLPAR_HCALL9_BUFSIZE] = {0}; u64 flags = 1; int hwcpu = get_hard_smp_processor_id(cpu); @@ -1419,7 +1423,7 @@ static long hcall_vphn(unsigned long cpu, unsigned int *associativity) static long vphn_get_associativity(unsigned long cpu, unsigned int *associativity) { - long rc = 0; + long rc; rc = hcall_vphn(cpu, associativity); @@ -1445,9 +1449,9 @@ static long vphn_get_associativity(unsigned long cpu, */ int arch_update_cpu_topology(void) { - int cpu = 0, nid = 0, old_nid = 0; + int cpu, nid, old_nid; unsigned int associativity[VPHN_ASSOC_BUFSIZE] = {0}; - struct sys_device *sysdev = NULL; + struct sys_device *sysdev; for_each_cpu_mask(cpu, cpu_associativity_changes_mask) { vphn_get_associativity(cpu, associativity); @@ -1512,7 +1516,8 @@ int start_topology_update(void) { int rc = 0; - if (firmware_has_feature(FW_FEATURE_VPHN)) { + if (firmware_has_feature(FW_FEATURE_VPHN) && + get_lppaca()->shared_proc) { vphn_enabled = 1; setup_cpu_associativity_change_counters(); init_timer_deferrable(&topology_timer); diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 5d3ea9f..ca5d589 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -713,6 +713,13 @@ EXPORT_SYMBOL(arch_free_page); /* NB: reg/unreg are called while guarded with the tracepoints_mutex */ extern long hcall_tracepoint_refcount; +/* + * Since the tracing code might execute hcalls we need to guard against + * recursion. One example of this are spinlocks calling H_YIELD on + * shared processor partitions. + */ +static DEFINE_PER_CPU(unsigned int, hcall_trace_depth); + void hcall_tracepoint_regfunc(void) { hcall_tracepoint_refcount++; @@ -725,12 +732,42 @@ void hcall_tracepoint_unregfunc(void) void __trace_hcall_entry(unsigned long opcode, unsigned long *args) { + unsigned long flags; + unsigned int *depth; + + local_irq_save(flags); + + depth = &__get_cpu_var(hcall_trace_depth); + + if (*depth) + goto out; + + (*depth)++; trace_hcall_entry(opcode, args); + (*depth)--; + +out: + local_irq_restore(flags); } void __trace_hcall_exit(long opcode, unsigned long retval, unsigned long *retbuf) { + unsigned long flags; + unsigned int *depth; + + local_irq_save(flags); + + depth = &__get_cpu_var(hcall_trace_depth); + + if (*depth) + goto out; + + (*depth)++; trace_hcall_exit(opcode, retval, retbuf); + (*depth)--; + +out: + local_irq_restore(flags); } #endif diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index ff19efd..636bcb8 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -406,7 +406,7 @@ config QDIO If unsure, say Y. config CHSC_SCH - def_tristate y + def_tristate m prompt "Support for CHSC subchannels" help This driver allows usage of CHSC subchannels. A CHSC subchannel diff --git a/arch/s390/include/asm/cacheflush.h b/arch/s390/include/asm/cacheflush.h index 405cc97..7e1f776 100644 --- a/arch/s390/include/asm/cacheflush.h +++ b/arch/s390/include/asm/cacheflush.h @@ -1,29 +1,8 @@ #ifndef _S390_CACHEFLUSH_H #define _S390_CACHEFLUSH_H -/* Keep includes the same across arches. */ -#include <linux/mm.h> - /* Caches aren't brain-dead on the s390. */ -#define flush_cache_all() do { } while (0) -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) do { } while (0) -#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) -#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 -#define flush_dcache_page(page) do { } while (0) -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) -#define flush_icache_range(start, end) do { } while (0) -#define flush_icache_page(vma,pg) do { } while (0) -#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) -#define flush_cache_vmap(start, end) do { } while (0) -#define flush_cache_vunmap(start, end) do { } while (0) - -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) +#include <asm-generic/cacheflush.h> #ifdef CONFIG_DEBUG_PAGEALLOC void kernel_map_pages(struct page *page, int numpages, int enable); diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index bf3de04..2c79b64 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -148,11 +148,6 @@ extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); */ extern unsigned long thread_saved_pc(struct task_struct *t); -/* - * Print register of task into buffer. Used in fs/proc/array.c. - */ -extern void task_show_regs(struct seq_file *m, struct task_struct *task); - extern void show_code(struct pt_regs *regs); unsigned long get_wchan(struct task_struct *p); diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index f1f644f..9074a54 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -22,6 +22,7 @@ */ #include <linux/mm.h> +#include <linux/pagemap.h> #include <linux/swap.h> #include <asm/processor.h> #include <asm/pgalloc.h> diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 5eb78dd..b5a4a73 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -237,43 +237,6 @@ void show_regs(struct pt_regs *regs) show_last_breaking_event(regs); } -/* This is called from fs/proc/array.c */ -void task_show_regs(struct seq_file *m, struct task_struct *task) -{ - struct pt_regs *regs; - - regs = task_pt_regs(task); - seq_printf(m, "task: %p, ksp: %p\n", - task, (void *)task->thread.ksp); - seq_printf(m, "User PSW : %p %p\n", - (void *) regs->psw.mask, (void *)regs->psw.addr); - - seq_printf(m, "User GPRS: " FOURLONG, - regs->gprs[0], regs->gprs[1], - regs->gprs[2], regs->gprs[3]); - seq_printf(m, " " FOURLONG, - regs->gprs[4], regs->gprs[5], - regs->gprs[6], regs->gprs[7]); - seq_printf(m, " " FOURLONG, - regs->gprs[8], regs->gprs[9], - regs->gprs[10], regs->gprs[11]); - seq_printf(m, " " FOURLONG, - regs->gprs[12], regs->gprs[13], - regs->gprs[14], regs->gprs[15]); - seq_printf(m, "User ACRS: %08x %08x %08x %08x\n", - task->thread.acrs[0], task->thread.acrs[1], - task->thread.acrs[2], task->thread.acrs[3]); - seq_printf(m, " %08x %08x %08x %08x\n", - task->thread.acrs[4], task->thread.acrs[5], - task->thread.acrs[6], task->thread.acrs[7]); - seq_printf(m, " %08x %08x %08x %08x\n", - task->thread.acrs[8], task->thread.acrs[9], - task->thread.acrs[10], task->thread.acrs[11]); - seq_printf(m, " %08x %08x %08x %08x\n", - task->thread.acrs[12], task->thread.acrs[13], - task->thread.acrs[14], task->thread.acrs[15]); -} - static DEFINE_SPINLOCK(die_lock); void die(const char * str, struct pt_regs * regs, long err) diff --git a/arch/s390/lib/uaccess_std.c b/arch/s390/lib/uaccess_std.c index 07deaee..a6c4f7e 100644 --- a/arch/s390/lib/uaccess_std.c +++ b/arch/s390/lib/uaccess_std.c @@ -125,9 +125,9 @@ static size_t copy_in_user_std(size_t size, void __user *to, unsigned long tmp1; asm volatile( + " sacf 256\n" " "AHI" %0,-1\n" " jo 5f\n" - " sacf 256\n" " bras %3,3f\n" "0:"AHI" %0,257\n" "1: mvc 0(1,%1),0(%2)\n" @@ -142,9 +142,8 @@ static size_t copy_in_user_std(size_t size, void __user *to, "3:"AHI" %0,-256\n" " jnm 2b\n" "4: ex %0,1b-0b(%3)\n" - " sacf 0\n" "5: "SLR" %0,%0\n" - "6:\n" + "6: sacf 0\n" EX_TABLE(1b,6b) EX_TABLE(2b,0b) EX_TABLE(4b,0b) : "+a" (size), "+a" (to), "+a" (from), "=a" (tmp1) : : "cc", "memory"); @@ -156,9 +155,9 @@ static size_t clear_user_std(size_t size, void __user *to) unsigned long tmp1, tmp2; asm volatile( + " sacf 256\n" " "AHI" %0,-1\n" " jo 5f\n" - " sacf 256\n" " bras %3,3f\n" " xc 0(1,%1),0(%1)\n" "0:"AHI" %0,257\n" @@ -178,9 +177,8 @@ static size_t clear_user_std(size_t size, void __user *to) "3:"AHI" %0,-256\n" " jnm 2b\n" "4: ex %0,0(%3)\n" - " sacf 0\n" "5: "SLR" %0,%0\n" - "6:\n" + "6: sacf 0\n" EX_TABLE(1b,6b) EX_TABLE(2b,0b) EX_TABLE(4b,0b) : "+a" (size), "+a" (to), "=a" (tmp1), "=a" (tmp2) : : "cc", "memory"); diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 0c719c6..e1850c2 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -336,7 +336,8 @@ void page_table_free(struct mm_struct *mm, unsigned long *table) page->flags ^= bits; if (page->flags & FRAG_MASK) { /* Page now has some free pgtable fragments. */ - list_move(&page->lru, &mm->context.pgtable_list); + if (!list_empty(&page->lru)) + list_move(&page->lru, &mm->context.pgtable_list); page = NULL; } else /* All fragments of the 4K page have been freed. */ diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 5e3969c..3c89694 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -233,6 +233,7 @@ extern void sync_Arb_IDs(void); extern void init_bsp_APIC(void); extern void setup_local_APIC(void); extern void end_local_APIC_setup(void); +extern void bsp_end_local_APIC_setup(void); extern void init_apic_mappings(void); void register_lapic_address(unsigned long address); extern void setup_boot_APIC_clock(void); diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 6e6e755..4564c8e 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -32,6 +32,6 @@ extern void arch_unregister_cpu(int); DECLARE_PER_CPU(int, cpu_state); -int __cpuinit mwait_usable(const struct cpuinfo_x86 *); +int mwait_usable(const struct cpuinfo_x86 *); #endif /* _ASM_X86_CPU_H */ diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index 4a2d4e0..8b5393e 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -36,8 +36,6 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, unsigned cpu = smp_processor_id(); if (likely(prev != next)) { - /* stop flush ipis for the previous mm */ - cpumask_clear_cpu(cpu, mm_cpumask(prev)); #ifdef CONFIG_SMP percpu_write(cpu_tlbstate.state, TLBSTATE_OK); percpu_write(cpu_tlbstate.active_mm, next); @@ -47,6 +45,9 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, /* Re-load page tables */ load_cr3(next->pgd); + /* stop flush ipis for the previous mm */ + cpumask_clear_cpu(cpu, mm_cpumask(prev)); + /* * load the LDT, if the LDT is different: */ diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index 4c2f63c..1f46951 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h @@ -40,10 +40,7 @@ DECLARE_EARLY_PER_CPU(u16, x86_cpu_to_apicid); DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid); /* Static state in head.S used to set up a CPU */ -extern struct { - void *sp; - unsigned short ss; -} stack_start; +extern unsigned long stack_start; /* Initial stack pointer address */ struct smp_ops { void (*smp_prepare_boot_cpu)(void); diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index 69fd72a..68d1537 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -12,10 +12,8 @@ #include <linux/cpumask.h> #include <asm/segment.h> #include <asm/desc.h> - -#ifdef CONFIG_X86_32 #include <asm/pgtable.h> -#endif +#include <asm/cacheflush.h> #include "realmode/wakeup.h" #include "sleep.h" @@ -100,7 +98,7 @@ int acpi_save_state_mem(void) #else /* CONFIG_64BIT */ header->trampoline_segment = setup_trampoline() >> 4; #ifdef CONFIG_SMP - stack_start.sp = temp_stack + sizeof(temp_stack); + stack_start = (unsigned long)temp_stack + sizeof(temp_stack); early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(smp_processor_id()); initial_gs = per_cpu_offset(smp_processor_id()); @@ -149,6 +147,15 @@ void __init acpi_reserve_wakeup_memory(void) memblock_x86_reserve_range(mem, mem + WAKEUP_SIZE, "ACPI WAKEUP"); } +int __init acpi_configure_wakeup_memory(void) +{ + if (acpi_realmode) + set_memory_x(acpi_realmode, WAKEUP_SIZE >> PAGE_SHIFT); + + return 0; +} +arch_initcall(acpi_configure_wakeup_memory); + static int __init acpi_sleep_setup(char *str) { diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 1236085..7038b95 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -671,7 +671,7 @@ void __kprobes text_poke_smp_batch(struct text_poke_param *params, int n) atomic_set(&stop_machine_first, 1); wrote_text = 0; - stop_machine(stop_machine_text_poke, (void *)&tpp, NULL); + __stop_machine(stop_machine_text_poke, (void *)&tpp, NULL); } #if defined(CONFIG_DYNAMIC_FTRACE) || defined(HAVE_JUMP_LABEL) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 06c196d..76b96d7 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1381,12 +1381,17 @@ void __cpuinit end_local_APIC_setup(void) #endif apic_pm_activate(); +} + +void __init bsp_end_local_APIC_setup(void) +{ + end_local_APIC_setup(); /* * Now that local APIC setup is completed for BP, configure the fault * handling for interrupt remapping. */ - if (!smp_processor_id() && intr_remapping_enabled) + if (intr_remapping_enabled) enable_drhd_fault_handling(); } @@ -1756,7 +1761,7 @@ int __init APIC_init_uniprocessor(void) enable_IO_APIC(); #endif - end_local_APIC_setup(); + bsp_end_local_APIC_setup(); #ifdef CONFIG_X86_IO_APIC if (smp_found_config && !skip_ioapic_setup && nr_ioapics) diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 697dc34..ca9e2a35 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -4002,6 +4002,9 @@ int mp_find_ioapic(u32 gsi) { int i = 0; + if (nr_ioapics == 0) + return -1; + /* Find the IOAPIC that manages this GSI. */ for (i = 0; i < nr_ioapics; i++) { if ((gsi >= mp_gsi_routing[i].gsi_base) diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 01c0f3e..bebabec 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -793,13 +793,21 @@ void set_mtrr_aps_delayed_init(void) } /* - * MTRR initialization for all AP's + * Delayed MTRR initialization for all AP's */ void mtrr_aps_init(void) { if (!use_intel()) return; + /* + * Check if someone has requested the delay of AP MTRR initialization, + * by doing set_mtrr_aps_delayed_init(), prior to this point. If not, + * then we are done. + */ + if (!mtrr_aps_delayed_init) + return; + set_mtrr(~0U, 0, 0, 0); mtrr_aps_delayed_init = false; } diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c index e56b9bf..f7a0993 100644 --- a/arch/x86/kernel/cpu/perf_event_p4.c +++ b/arch/x86/kernel/cpu/perf_event_p4.c @@ -682,7 +682,7 @@ static int p4_validate_raw_event(struct perf_event *event) * if an event is shared accross the logical threads * the user needs special permissions to be able to use it */ - if (p4_event_bind_map[v].shared) { + if (p4_ht_active() && p4_event_bind_map[v].shared) { if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN)) return -EACCES; } @@ -727,7 +727,8 @@ static int p4_hw_config(struct perf_event *event) event->hw.config = p4_set_ht_bit(event->hw.config); if (event->attr.type == PERF_TYPE_RAW) { - + struct p4_event_bind *bind; + unsigned int esel; /* * Clear bits we reserve to be managed by kernel itself * and never allowed from a user space @@ -743,6 +744,13 @@ static int p4_hw_config(struct perf_event *event) * bits since we keep additional info here (for cache events and etc) */ event->hw.config |= event->attr.config; + bind = p4_config_get_bind(event->attr.config); + if (!bind) { + rc = -EINVAL; + goto out; + } + esel = P4_OPCODE_ESEL(bind->opcode); + event->hw.config |= p4_config_pack_cccr(P4_CCCR_ESEL(esel)); } rc = x86_setup_perfctr(event); diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index fc293dc..767d6c4 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -85,6 +85,8 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE) */ __HEAD ENTRY(startup_32) + movl pa(stack_start),%ecx + /* test KEEP_SEGMENTS flag to see if the bootloader is asking us to not reload segments */ testb $(1<<6), BP_loadflags(%esi) @@ -99,7 +101,9 @@ ENTRY(startup_32) movl %eax,%es movl %eax,%fs movl %eax,%gs + movl %eax,%ss 2: + leal -__PAGE_OFFSET(%ecx),%esp /* * Clear BSS first so that there are no surprises... @@ -145,8 +149,6 @@ ENTRY(startup_32) * _brk_end is set up to point to the first "safe" location. * Mappings are created both at virtual address 0 (identity mapping) * and PAGE_OFFSET for up to _end. - * - * Note that the stack is not yet set up! */ #ifdef CONFIG_X86_PAE @@ -282,6 +284,9 @@ ENTRY(startup_32_smp) movl %eax,%es movl %eax,%fs movl %eax,%gs + movl pa(stack_start),%ecx + movl %eax,%ss + leal -__PAGE_OFFSET(%ecx),%esp #endif /* CONFIG_SMP */ default_entry: @@ -347,8 +352,8 @@ default_entry: movl %eax,%cr0 /* ..and set paging (PG) bit */ ljmp $__BOOT_CS,$1f /* Clear prefetch and normalize %eip */ 1: - /* Set up the stack pointer */ - lss stack_start,%esp + /* Shift the stack pointer to a virtual address */ + addl $__PAGE_OFFSET, %esp /* * Initialize eflags. Some BIOS's leave bits like NT set. This would @@ -360,9 +365,7 @@ default_entry: #ifdef CONFIG_SMP cmpb $0, ready - jz 1f /* Initial CPU cleans BSS */ - jmp checkCPUtype -1: + jnz checkCPUtype #endif /* CONFIG_SMP */ /* @@ -470,14 +473,7 @@ is386: movl $2,%ecx # set MP cld # gcc2 wants the direction flag cleared at all times pushl $0 # fake return address for unwinder -#ifdef CONFIG_SMP - movb ready, %cl movb $1, ready - cmpb $0,%cl # the first CPU calls start_kernel - je 1f - movl (stack_start), %esp -1: -#endif /* CONFIG_SMP */ jmp *(initial_code) /* @@ -670,15 +666,15 @@ ENTRY(initial_page_table) #endif .data +.balign 4 ENTRY(stack_start) .long init_thread_union+THREAD_SIZE - .long __BOOT_DS - -ready: .byte 0 early_recursion_flag: .long 0 +ready: .byte 0 + int_msg: .asciz "Unknown interrupt or fault at: %p %p %p\n" diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 52945da..387b6a0 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -367,7 +367,8 @@ void fixup_irqs(void) if (irr & (1 << (vector % 32))) { irq = __this_cpu_read(vector_irq[vector]); - data = irq_get_irq_data(irq); + desc = irq_to_desc(irq); + data = &desc->irq_data; raw_spin_lock(&desc->lock); if (data->chip->irq_retrigger) data->chip->irq_retrigger(data); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index e764fc0..ff45541 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -92,21 +92,31 @@ void show_regs(struct pt_regs *regs) void show_regs_common(void) { - const char *board, *product; + const char *vendor, *product, *board; - board = dmi_get_system_info(DMI_BOARD_NAME); - if (!board) - board = ""; + vendor = dmi_get_system_info(DMI_SYS_VENDOR); + if (!vendor) + vendor = ""; product = dmi_get_system_info(DMI_PRODUCT_NAME); if (!product) product = ""; + /* Board Name is optional */ + board = dmi_get_system_info(DMI_BOARD_NAME); + printk(KERN_CONT "\n"); - printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s %s/%s\n", + printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s", current->pid, current->comm, print_tainted(), init_utsname()->release, (int)strcspn(init_utsname()->version, " "), - init_utsname()->version, board, product); + init_utsname()->version); + printk(KERN_CONT " "); + printk(KERN_CONT "%s %s", vendor, product); + if (board) { + printk(KERN_CONT "/"); + printk(KERN_CONT "%s", board); + } + printk(KERN_CONT "\n"); } void flush_thread(void) @@ -506,7 +516,7 @@ static void poll_idle(void) #define MWAIT_ECX_EXTENDED_INFO 0x01 #define MWAIT_EDX_C1 0xf0 -int __cpuinit mwait_usable(const struct cpuinfo_x86 *c) +int mwait_usable(const struct cpuinfo_x86 *c) { u32 eax, ebx, ecx, edx; diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 0cbe8c0..08776a9 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -638,7 +638,7 @@ wakeup_secondary_cpu_via_init(int phys_apicid, unsigned long start_eip) * target processor state. */ startup_ipi_hook(phys_apicid, (unsigned long) start_secondary, - (unsigned long)stack_start.sp); + stack_start); /* * Run STARTUP IPI loop. @@ -785,7 +785,7 @@ do_rest: #endif early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); initial_code = (unsigned long)start_secondary; - stack_start.sp = (void *) c_idle.idle->thread.sp; + stack_start = c_idle.idle->thread.sp; /* start_ip had better be page-aligned! */ start_ip = setup_trampoline(); @@ -1060,7 +1060,7 @@ static int __init smp_sanity_check(unsigned max_cpus) connect_bsp_APIC(); setup_local_APIC(); - end_local_APIC_setup(); + bsp_end_local_APIC_setup(); return -1; } @@ -1137,7 +1137,7 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) if (!skip_ioapic_setup && nr_ioapics) enable_IO_APIC(); - end_local_APIC_setup(); + bsp_end_local_APIC_setup(); map_cpu_to_logical_apicid(); diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 25bd1bc..54ce246 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1150,8 +1150,8 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu) kvm_load_ldt(svm->host.ldt); #ifdef CONFIG_X86_64 loadsegment(fs, svm->host.fs); - load_gs_index(svm->host.gs); wrmsrl(MSR_KERNEL_GS_BASE, current->thread.gs); + load_gs_index(svm->host.gs); #else loadsegment(gs, svm->host.gs); #endif diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 8b830ca..d343b3c 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -256,7 +256,6 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, unsigned long pfn) { pgprot_t forbidden = __pgprot(0); - pgprot_t required = __pgprot(0); /* * The BIOS area between 640k and 1Mb needs to be executable for @@ -282,12 +281,6 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, if (within(pfn, __pa((unsigned long)__start_rodata) >> PAGE_SHIFT, __pa((unsigned long)__end_rodata) >> PAGE_SHIFT)) pgprot_val(forbidden) |= _PAGE_RW; - /* - * .data and .bss should always be writable. - */ - if (within(address, (unsigned long)_sdata, (unsigned long)_edata) || - within(address, (unsigned long)__bss_start, (unsigned long)__bss_stop)) - pgprot_val(required) |= _PAGE_RW; #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA) /* @@ -327,7 +320,6 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, #endif prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden)); - prot = __pgprot(pgprot_val(prot) | pgprot_val(required)); return prot; } |