From 8f9a251762b3b57a7433af131b01a8bc74cb1d93 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Thu, 28 Jun 2012 19:28:57 +0000 Subject: [PATCH] --- yaml --- r: 311546 b: refs/heads/master c: bc1d7702910c7c7e88eb60b58429dbfe293683ce h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/Documentation/stable_kernel_rules.txt | 6 - trunk/Makefile | 2 +- trunk/arch/arm/kernel/vmlinux.lds.S | 2 - trunk/arch/arm/mach-exynos/Kconfig | 8 +- trunk/arch/arm/mach-imx/clk-imx6q.c | 6 +- trunk/arch/arm/mach-omap2/board-flash.c | 5 + trunk/arch/arm/mach-omap2/clock44xx_data.c | 5 +- .../arm/mach-shmobile/board-armadillo800eva.c | 1 - trunk/arch/arm/mach-shmobile/board-kzm9d.c | 1 - trunk/arch/arm/mach-shmobile/board-kzm9g.c | 1 - trunk/arch/arm/mach-shmobile/board-mackerel.c | 3 - trunk/arch/arm/mach-shmobile/clock-sh73a0.c | 8 +- trunk/arch/arm/mach-shmobile/intc-r8a7779.c | 7 - trunk/arch/arm/mach-shmobile/platsmp.c | 5 - trunk/arch/arm/mach-shmobile/setup-sh7372.c | 2 +- trunk/arch/arm/mm/mmu.c | 74 ----- .../arm/plat-samsung/include/plat/map-s3c.h | 2 +- .../include/plat/watchdog-reset.h | 2 +- trunk/arch/powerpc/xmon/xmon.c | 2 +- trunk/arch/x86/ia32/ia32_signal.c | 2 +- trunk/arch/x86/include/asm/cpufeature.h | 2 +- trunk/arch/x86/kernel/acpi/boot.c | 27 +- trunk/arch/x86/kernel/cpu/mkcapflags.pl | 25 +- trunk/arch/x86/kernel/cpu/scattered.c | 2 +- trunk/arch/x86/kernel/kgdb.c | 8 +- trunk/arch/x86/kernel/reboot.c | 8 - trunk/arch/x86/lib/csum-wrappers_64.c | 2 +- trunk/drivers/acpi/acpi_pad.c | 7 +- trunk/drivers/acpi/apei/apei-base.c | 17 +- trunk/drivers/acpi/apei/apei-internal.h | 9 - trunk/drivers/acpi/apei/ghes.c | 6 +- trunk/drivers/acpi/processor_idle.c | 32 +- trunk/drivers/acpi/sysfs.c | 4 +- trunk/drivers/acpi/video.c | 2 - trunk/drivers/base/power/main.c | 6 +- trunk/drivers/hwmon/coretemp.c | 4 +- trunk/drivers/oprofile/oprofile_perf.c | 2 +- trunk/include/linux/irq.h | 2 + trunk/kernel/printk.c | 299 +++++------------- trunk/kernel/rcutree.c | 14 +- 41 files changed, 158 insertions(+), 466 deletions(-) diff --git a/[refs] b/[refs] index cf21a194d919..3cb8398e0743 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: ca24a145573124732152daff105ba68cc9a2b545 +refs/heads/master: bc1d7702910c7c7e88eb60b58429dbfe293683ce diff --git a/trunk/Documentation/stable_kernel_rules.txt b/trunk/Documentation/stable_kernel_rules.txt index 4a7b54bd37e8..f0ab5cf28fca 100644 --- a/trunk/Documentation/stable_kernel_rules.txt +++ b/trunk/Documentation/stable_kernel_rules.txt @@ -12,12 +12,6 @@ Rules on what kind of patches are accepted, and which ones are not, into the marked CONFIG_BROKEN), an oops, a hang, data corruption, a real security issue, or some "oh, that's not good" issue. In short, something critical. - - Serious issues as reported by a user of a distribution kernel may also - be considered if they fix a notable performance or interactivity issue. - As these fixes are not as obvious and have a higher risk of a subtle - regression they should only be submitted by a distribution kernel - maintainer and include an addendum linking to a bugzilla entry if it - exists and additional information on the user-visible impact. - New device IDs and quirks are also accepted. - No "theoretical race condition" issues, unless an explanation of how the race can be exploited is also provided. diff --git a/trunk/Makefile b/trunk/Makefile index 81ea15450049..3fdfde2c1b7d 100644 --- a/trunk/Makefile +++ b/trunk/Makefile @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 5 SUBLEVEL = 0 -EXTRAVERSION = -rc5 +EXTRAVERSION = -rc4 NAME = Saber-toothed Squirrel # *DOCUMENTATION* diff --git a/trunk/arch/arm/kernel/vmlinux.lds.S b/trunk/arch/arm/kernel/vmlinux.lds.S index 36ff15bbfdd4..43a31fb06318 100644 --- a/trunk/arch/arm/kernel/vmlinux.lds.S +++ b/trunk/arch/arm/kernel/vmlinux.lds.S @@ -183,9 +183,7 @@ SECTIONS } #endif -#ifdef CONFIG_SMP PERCPU_SECTION(L1_CACHE_BYTES) -#endif #ifdef CONFIG_XIP_KERNEL __data_loc = ALIGN(4); /* location in binary */ diff --git a/trunk/arch/arm/mach-exynos/Kconfig b/trunk/arch/arm/mach-exynos/Kconfig index 6f6d13f91e4c..573be57d3d28 100644 --- a/trunk/arch/arm/mach-exynos/Kconfig +++ b/trunk/arch/arm/mach-exynos/Kconfig @@ -212,7 +212,7 @@ config MACH_SMDKV310 select EXYNOS_DEV_SYSMMU select EXYNOS4_DEV_AHCI select SAMSUNG_DEV_KEYPAD - select EXYNOS_DEV_DMA + select EXYNOS4_DEV_DMA select SAMSUNG_DEV_PWM select EXYNOS4_DEV_USB_OHCI select EXYNOS4_SETUP_FIMD0 @@ -264,7 +264,7 @@ config MACH_UNIVERSAL_C210 select S5P_DEV_ONENAND select S5P_DEV_TV select EXYNOS_DEV_SYSMMU - select EXYNOS_DEV_DMA + select EXYNOS4_DEV_DMA select EXYNOS_DEV_DRM select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_I2C1 @@ -303,7 +303,7 @@ config MACH_NURI select S5P_DEV_MFC select S5P_DEV_USB_EHCI select S5P_SETUP_MIPIPHY - select EXYNOS_DEV_DMA + select EXYNOS4_DEV_DMA select EXYNOS_DEV_DRM select EXYNOS4_SETUP_FIMC select EXYNOS4_SETUP_FIMD0 @@ -341,7 +341,7 @@ config MACH_ORIGEN select SAMSUNG_DEV_PWM select EXYNOS_DEV_DRM select EXYNOS_DEV_SYSMMU - select EXYNOS_DEV_DMA + select EXYNOS4_DEV_DMA select EXYNOS4_DEV_USB_OHCI select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_SDHCI diff --git a/trunk/arch/arm/mach-imx/clk-imx6q.c b/trunk/arch/arm/mach-imx/clk-imx6q.c index e1a17ac7b3b4..17dc66a085a5 100644 --- a/trunk/arch/arm/mach-imx/clk-imx6q.c +++ b/trunk/arch/arm/mach-imx/clk-imx6q.c @@ -152,14 +152,13 @@ enum mx6q_clks { ssi2, ssi3, uart_ipg, uart_serial, usboh3, usdhc1, usdhc2, usdhc3, usdhc4, vdo_axi, vpu_axi, cko1, pll1_sys, pll2_bus, pll3_usb_otg, pll4_audio, pll5_video, pll6_mlb, pll7_usb_host, pll8_enet, ssi1_ipg, - ssi2_ipg, ssi3_ipg, rom, - clk_max + ssi2_ipg, ssi3_ipg, clk_max }; static struct clk *clk[clk_max]; static enum mx6q_clks const clks_init_on[] __initconst = { - mmdc_ch0_axi, rom, + mmdc_ch0_axi, mmdc_ch1_axi, }; int __init mx6q_clocks_init(void) @@ -365,7 +364,6 @@ int __init mx6q_clocks_init(void) clk[gpmi_bch] = imx_clk_gate2("gpmi_bch", "usdhc4", base + 0x78, 26); clk[gpmi_io] = imx_clk_gate2("gpmi_io", "enfc", base + 0x78, 28); clk[gpmi_apb] = imx_clk_gate2("gpmi_apb", "usdhc3", base + 0x78, 30); - clk[rom] = imx_clk_gate2("rom", "ahb", base + 0x7c, 0); clk[sata] = imx_clk_gate2("sata", "ipg", base + 0x7c, 4); clk[sdma] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6); clk[spba] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12); diff --git a/trunk/arch/arm/mach-omap2/board-flash.c b/trunk/arch/arm/mach-omap2/board-flash.c index 53c39d239d6e..70a81f900bb5 100644 --- a/trunk/arch/arm/mach-omap2/board-flash.c +++ b/trunk/arch/arm/mach-omap2/board-flash.c @@ -97,6 +97,11 @@ __init board_onenand_init(struct mtd_partition *onenand_parts, gpmc_onenand_init(&board_onenand_data); } +#else +void +__init board_onenand_init(struct mtd_partition *nor_parts, u8 nr_parts, u8 cs) +{ +} #endif /* CONFIG_MTD_ONENAND_OMAP2 || CONFIG_MTD_ONENAND_OMAP2_MODULE */ #if defined(CONFIG_MTD_NAND_OMAP2) || \ diff --git a/trunk/arch/arm/mach-omap2/clock44xx_data.c b/trunk/arch/arm/mach-omap2/clock44xx_data.c index ba6f9a0a43e9..e2b701e164f6 100644 --- a/trunk/arch/arm/mach-omap2/clock44xx_data.c +++ b/trunk/arch/arm/mach-omap2/clock44xx_data.c @@ -3417,12 +3417,9 @@ int __init omap4xxx_clk_init(void) if (cpu_is_omap443x()) { cpu_mask = RATE_IN_4430; cpu_clkflg = CK_443X; - } else if (cpu_is_omap446x() || cpu_is_omap447x()) { + } else if (cpu_is_omap446x()) { cpu_mask = RATE_IN_4460 | RATE_IN_4430; cpu_clkflg = CK_446X | CK_443X; - - if (cpu_is_omap447x()) - pr_warn("WARNING: OMAP4470 clock data incomplete!\n"); } else { return 0; } diff --git a/trunk/arch/arm/mach-shmobile/board-armadillo800eva.c b/trunk/arch/arm/mach-shmobile/board-armadillo800eva.c index 9bd135531d76..9e37026ef9dd 100644 --- a/trunk/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/trunk/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -779,7 +779,6 @@ DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva") .init_irq = r8a7740_init_irq, .handle_irq = shmobile_handle_irq_intc, .init_machine = eva_init, - .init_late = shmobile_init_late, .timer = &shmobile_timer, .dt_compat = eva_boards_compat_dt, MACHINE_END diff --git a/trunk/arch/arm/mach-shmobile/board-kzm9d.c b/trunk/arch/arm/mach-shmobile/board-kzm9d.c index 6a33cf393428..7bc5e7d39f9b 100644 --- a/trunk/arch/arm/mach-shmobile/board-kzm9d.c +++ b/trunk/arch/arm/mach-shmobile/board-kzm9d.c @@ -80,7 +80,6 @@ DT_MACHINE_START(KZM9D_DT, "kzm9d") .init_irq = emev2_init_irq, .handle_irq = gic_handle_irq, .init_machine = kzm9d_add_standard_devices, - .init_late = shmobile_init_late, .timer = &shmobile_timer, .dt_compat = kzm9d_boards_compat_dt, MACHINE_END diff --git a/trunk/arch/arm/mach-shmobile/board-kzm9g.c b/trunk/arch/arm/mach-shmobile/board-kzm9g.c index c0ae815e7beb..d8e33b682832 100644 --- a/trunk/arch/arm/mach-shmobile/board-kzm9g.c +++ b/trunk/arch/arm/mach-shmobile/board-kzm9g.c @@ -455,7 +455,6 @@ DT_MACHINE_START(KZM9G_DT, "kzm9g") .init_irq = sh73a0_init_irq, .handle_irq = gic_handle_irq, .init_machine = kzm_init, - .init_late = shmobile_init_late, .timer = &shmobile_timer, .dt_compat = kzm9g_boards_compat_dt, MACHINE_END diff --git a/trunk/arch/arm/mach-shmobile/board-mackerel.c b/trunk/arch/arm/mach-shmobile/board-mackerel.c index 150122a44630..b577f7c44678 100644 --- a/trunk/arch/arm/mach-shmobile/board-mackerel.c +++ b/trunk/arch/arm/mach-shmobile/board-mackerel.c @@ -1512,9 +1512,6 @@ static void __init mackerel_init(void) gpio_request(GPIO_FN_SDHID0_1, NULL); gpio_request(GPIO_FN_SDHID0_0, NULL); - /* SDHI0 PORT172 card-detect IRQ26 */ - gpio_request(GPIO_FN_IRQ26_172, NULL); - #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) /* enable SDHI1 */ gpio_request(GPIO_FN_SDHICMD1, NULL); diff --git a/trunk/arch/arm/mach-shmobile/clock-sh73a0.c b/trunk/arch/arm/mach-shmobile/clock-sh73a0.c index 3946c4ba2aa8..472d1f5361e5 100644 --- a/trunk/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/trunk/arch/arm/mach-shmobile/clock-sh73a0.c @@ -475,9 +475,9 @@ static struct clk *late_main_clks[] = { enum { MSTP001, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100, - MSTP219, MSTP218, + MSTP219, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, - MSTP331, MSTP329, MSTP325, MSTP323, + MSTP331, MSTP329, MSTP325, MSTP323, MSTP318, MSTP314, MSTP313, MSTP312, MSTP311, MSTP303, MSTP302, MSTP301, MSTP300, MSTP411, MSTP410, MSTP403, @@ -497,7 +497,6 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP116] = MSTP(&div4_clks[DIV4_HP], SMSTPCR1, 16, 0), /* IIC0 */ [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ [MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */ - [MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* SY-DMAC */ [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ @@ -509,6 +508,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */ [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */ + [MSTP318] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 18, 0), /* SY-DMAC */ [MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */ [MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */ [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */ @@ -552,7 +552,6 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */ CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */ - CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* SY-DMAC */ CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */ CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ @@ -564,6 +563,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */ CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */ + CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP318]), /* SY-DMAC */ CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ diff --git a/trunk/arch/arm/mach-shmobile/intc-r8a7779.c b/trunk/arch/arm/mach-shmobile/intc-r8a7779.c index f04fad4ec4fb..550b23df4fd4 100644 --- a/trunk/arch/arm/mach-shmobile/intc-r8a7779.c +++ b/trunk/arch/arm/mach-shmobile/intc-r8a7779.c @@ -35,9 +35,6 @@ #define INT2SMSKCR3 0xfe7822ac #define INT2SMSKCR4 0xfe7822b0 -#define INT2NTSR0 0xfe700060 -#define INT2NTSR1 0xfe700064 - static int r8a7779_set_wake(struct irq_data *data, unsigned int on) { return 0; /* always allow wakeup */ @@ -52,10 +49,6 @@ void __init r8a7779_init_irq(void) gic_init(0, 29, gic_dist_base, gic_cpu_base); gic_arch_extn.irq_set_wake = r8a7779_set_wake; - /* route all interrupts to ARM */ - __raw_writel(0xffffffff, INT2NTSR0); - __raw_writel(0x3fffffff, INT2NTSR1); - /* unmask all known interrupts in INTCS2 */ __raw_writel(0xfffffff0, INT2SMSKCR0); __raw_writel(0xfff7ffff, INT2SMSKCR1); diff --git a/trunk/arch/arm/mach-shmobile/platsmp.c b/trunk/arch/arm/mach-shmobile/platsmp.c index e859fcdb3d58..bacdd667e3b1 100644 --- a/trunk/arch/arm/mach-shmobile/platsmp.c +++ b/trunk/arch/arm/mach-shmobile/platsmp.c @@ -25,12 +25,7 @@ #define is_sh73a0() (machine_is_ag5evm() || machine_is_kota2() || \ of_machine_is_compatible("renesas,sh73a0")) #define is_r8a7779() machine_is_marzen() - -#ifdef CONFIG_ARCH_EMEV2 #define is_emev2() of_machine_is_compatible("renesas,emev2") -#else -#define is_emev2() (0) -#endif static unsigned int __init shmobile_smp_get_core_count(void) { diff --git a/trunk/arch/arm/mach-shmobile/setup-sh7372.c b/trunk/arch/arm/mach-shmobile/setup-sh7372.c index fafce9ce8218..6a4bd582c028 100644 --- a/trunk/arch/arm/mach-shmobile/setup-sh7372.c +++ b/trunk/arch/arm/mach-shmobile/setup-sh7372.c @@ -484,7 +484,7 @@ static const struct sh_dmae_slave_config sh7372_dmae_slaves[] = { }, }; -#define SH7372_CHCLR (0x220 - 0x20) +#define SH7372_CHCLR 0x220 static const struct sh_dmae_channel sh7372_dmae_channels[] = { { diff --git a/trunk/arch/arm/mm/mmu.c b/trunk/arch/arm/mm/mmu.c index cf4528d51774..e5dad60b558b 100644 --- a/trunk/arch/arm/mm/mmu.c +++ b/trunk/arch/arm/mm/mmu.c @@ -791,79 +791,6 @@ void __init iotable_init(struct map_desc *io_desc, int nr) } } -#ifndef CONFIG_ARM_LPAE - -/* - * The Linux PMD is made of two consecutive section entries covering 2MB - * (see definition in include/asm/pgtable-2level.h). However a call to - * create_mapping() may optimize static mappings by using individual - * 1MB section mappings. This leaves the actual PMD potentially half - * initialized if the top or bottom section entry isn't used, leaving it - * open to problems if a subsequent ioremap() or vmalloc() tries to use - * the virtual space left free by that unused section entry. - * - * Let's avoid the issue by inserting dummy vm entries covering the unused - * PMD halves once the static mappings are in place. - */ - -static void __init pmd_empty_section_gap(unsigned long addr) -{ - struct vm_struct *vm; - - vm = early_alloc_aligned(sizeof(*vm), __alignof__(*vm)); - vm->addr = (void *)addr; - vm->size = SECTION_SIZE; - vm->flags = VM_IOREMAP | VM_ARM_STATIC_MAPPING; - vm->caller = pmd_empty_section_gap; - vm_area_add_early(vm); -} - -static void __init fill_pmd_gaps(void) -{ - struct vm_struct *vm; - unsigned long addr, next = 0; - pmd_t *pmd; - - /* we're still single threaded hence no lock needed here */ - for (vm = vmlist; vm; vm = vm->next) { - if (!(vm->flags & VM_ARM_STATIC_MAPPING)) - continue; - addr = (unsigned long)vm->addr; - if (addr < next) - continue; - - /* - * Check if this vm starts on an odd section boundary. - * If so and the first section entry for this PMD is free - * then we block the corresponding virtual address. - */ - if ((addr & ~PMD_MASK) == SECTION_SIZE) { - pmd = pmd_off_k(addr); - if (pmd_none(*pmd)) - pmd_empty_section_gap(addr & PMD_MASK); - } - - /* - * Then check if this vm ends on an odd section boundary. - * If so and the second section entry for this PMD is empty - * then we block the corresponding virtual address. - */ - addr += vm->size; - if ((addr & ~PMD_MASK) == SECTION_SIZE) { - pmd = pmd_off_k(addr) + 1; - if (pmd_none(*pmd)) - pmd_empty_section_gap(addr); - } - - /* no need to look at any vm entry until we hit the next PMD */ - next = (addr + PMD_SIZE - 1) & PMD_MASK; - } -} - -#else -#define fill_pmd_gaps() do { } while (0) -#endif - static void * __initdata vmalloc_min = (void *)(VMALLOC_END - (240 << 20) - VMALLOC_OFFSET); @@ -1145,7 +1072,6 @@ static void __init devicemaps_init(struct machine_desc *mdesc) */ if (mdesc->map_io) mdesc->map_io(); - fill_pmd_gaps(); /* * Finally flush the caches and tlb to ensure that we're in a diff --git a/trunk/arch/arm/plat-samsung/include/plat/map-s3c.h b/trunk/arch/arm/plat-samsung/include/plat/map-s3c.h index c0c70a895ca8..7d048759b772 100644 --- a/trunk/arch/arm/plat-samsung/include/plat/map-s3c.h +++ b/trunk/arch/arm/plat-samsung/include/plat/map-s3c.h @@ -22,7 +22,7 @@ #define S3C24XX_VA_WATCHDOG S3C_VA_WATCHDOG #define S3C2412_VA_SSMC S3C_ADDR_CPU(0x00000000) -#define S3C2412_VA_EBI S3C_ADDR_CPU(0x00100000) +#define S3C2412_VA_EBI S3C_ADDR_CPU(0x00010000) #define S3C2410_PA_UART (0x50000000) #define S3C24XX_PA_UART S3C2410_PA_UART diff --git a/trunk/arch/arm/plat-samsung/include/plat/watchdog-reset.h b/trunk/arch/arm/plat-samsung/include/plat/watchdog-reset.h index bc4db9b04e36..f19aff19205c 100644 --- a/trunk/arch/arm/plat-samsung/include/plat/watchdog-reset.h +++ b/trunk/arch/arm/plat-samsung/include/plat/watchdog-reset.h @@ -25,7 +25,7 @@ static inline void arch_wdt_reset(void) __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ - if (!IS_ERR(s3c2410_wdtclk)) + if (s3c2410_wdtclk) clk_enable(s3c2410_wdtclk); /* put initial values into count and data */ diff --git a/trunk/arch/powerpc/xmon/xmon.c b/trunk/arch/powerpc/xmon/xmon.c index 0f3ab06d2222..eab3492a45c5 100644 --- a/trunk/arch/powerpc/xmon/xmon.c +++ b/trunk/arch/powerpc/xmon/xmon.c @@ -971,7 +971,7 @@ static int cpu_cmd(void) /* print cpus waiting or in xmon */ printf("cpus stopped:"); count = 0; - for (cpu = 0; cpu < NR_CPUS; ++cpu) { + for_each_possible_cpu(cpu) { if (cpumask_test_cpu(cpu, &cpus_in_xmon)) { if (count == 0) printf(" %x", cpu); diff --git a/trunk/arch/x86/ia32/ia32_signal.c b/trunk/arch/x86/ia32/ia32_signal.c index 673ac9b63d6b..daeca56211e3 100644 --- a/trunk/arch/x86/ia32/ia32_signal.c +++ b/trunk/arch/x86/ia32/ia32_signal.c @@ -38,7 +38,7 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) { int err = 0; - bool ia32 = test_thread_flag(TIF_IA32); + bool ia32 = is_ia32_task(); if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t))) return -EFAULT; diff --git a/trunk/arch/x86/include/asm/cpufeature.h b/trunk/arch/x86/include/asm/cpufeature.h index f91e80f4f180..340ee49961a6 100644 --- a/trunk/arch/x86/include/asm/cpufeature.h +++ b/trunk/arch/x86/include/asm/cpufeature.h @@ -176,7 +176,7 @@ #define X86_FEATURE_XSAVEOPT (7*32+ 4) /* Optimized Xsave */ #define X86_FEATURE_PLN (7*32+ 5) /* Intel Power Limit Notification */ #define X86_FEATURE_PTS (7*32+ 6) /* Intel Package Thermal Status */ -#define X86_FEATURE_DTHERM (7*32+ 7) /* Digital Thermal Sensor */ +#define X86_FEATURE_DTS (7*32+ 7) /* Digital Thermal Sensor */ #define X86_FEATURE_HW_PSTATE (7*32+ 8) /* AMD HW-PState */ /* Virtualization flags: Linux defined, word 8 */ diff --git a/trunk/arch/x86/kernel/acpi/boot.c b/trunk/arch/x86/kernel/acpi/boot.c index b2297e58c6ed..8afb69319815 100644 --- a/trunk/arch/x86/kernel/acpi/boot.c +++ b/trunk/arch/x86/kernel/acpi/boot.c @@ -422,14 +422,12 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header, return 0; } - if (intsrc->source_irq == 0) { + if (intsrc->source_irq == 0 && intsrc->global_irq == 2) { if (acpi_skip_timer_override) { - printk(PREFIX "BIOS IRQ0 override ignored.\n"); + printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n"); return 0; } - - if ((intsrc->global_irq == 2) && acpi_fix_pin2_polarity - && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) { + if (acpi_fix_pin2_polarity && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) { intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK; printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n"); } @@ -1336,12 +1334,17 @@ static int __init dmi_disable_acpi(const struct dmi_system_id *d) } /* - * Force ignoring BIOS IRQ0 override + * Force ignoring BIOS IRQ0 pin2 override */ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d) { + /* + * The ati_ixp4x0_rev() early PCI quirk should have set + * the acpi_skip_timer_override flag already: + */ if (!acpi_skip_timer_override) { - pr_notice("%s detected: Ignoring BIOS IRQ0 override\n", + WARN(1, KERN_ERR "ati_ixp4x0 quirk not complete.\n"); + pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n", d->ident); acpi_skip_timer_override = 1; } @@ -1435,7 +1438,7 @@ static struct dmi_system_id __initdata acpi_dmi_table_late[] = { * is enabled. This input is incorrectly designated the * ISA IRQ 0 via an interrupt source override even though * it is wired to the output of the master 8259A and INTIN0 - * is not connected at all. Force ignoring BIOS IRQ0 + * is not connected at all. Force ignoring BIOS IRQ0 pin2 * override in that cases. */ { @@ -1470,14 +1473,6 @@ static struct dmi_system_id __initdata acpi_dmi_table_late[] = { DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"), }, }, - { - .callback = dmi_ignore_irq0_timer_override, - .ident = "FUJITSU SIEMENS", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), - DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"), - }, - }, {} }; diff --git a/trunk/arch/x86/kernel/cpu/mkcapflags.pl b/trunk/arch/x86/kernel/cpu/mkcapflags.pl index c7b3fe2d72e0..dfea390e1608 100644 --- a/trunk/arch/x86/kernel/cpu/mkcapflags.pl +++ b/trunk/arch/x86/kernel/cpu/mkcapflags.pl @@ -1,4 +1,4 @@ -#!/usr/bin/perl -w +#!/usr/bin/perl # # Generate the x86_cap_flags[] array from include/asm-x86/cpufeature.h # @@ -11,35 +11,22 @@ print OUT "#include \n\n"; print OUT "const char * const x86_cap_flags[NCAPINTS*32] = {\n"; -%features = (); -$err = 0; - while (defined($line = )) { if ($line =~ /^\s*\#\s*define\s+(X86_FEATURE_(\S+))\s+(.*)$/) { $macro = $1; - $feature = "\L$2"; + $feature = $2; $tail = $3; if ($tail =~ /\/\*\s*\"([^"]*)\".*\*\//) { - $feature = "\L$1"; + $feature = $1; } - next if ($feature eq ''); - - if ($features{$feature}++) { - print STDERR "$in: duplicate feature name: $feature\n"; - $err++; + if ($feature ne '') { + printf OUT "\t%-32s = \"%s\",\n", + "[$macro]", "\L$feature"; } - printf OUT "\t%-32s = \"%s\",\n", "[$macro]", $feature; } } print OUT "};\n"; close(IN); close(OUT); - -if ($err) { - unlink($out); - exit(1); -} - -exit(0); diff --git a/trunk/arch/x86/kernel/cpu/scattered.c b/trunk/arch/x86/kernel/cpu/scattered.c index ee8e9abc859f..addf9e82a7f2 100644 --- a/trunk/arch/x86/kernel/cpu/scattered.c +++ b/trunk/arch/x86/kernel/cpu/scattered.c @@ -31,7 +31,7 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c) const struct cpuid_bit *cb; static const struct cpuid_bit __cpuinitconst cpuid_bits[] = { - { X86_FEATURE_DTHERM, CR_EAX, 0, 0x00000006, 0 }, + { X86_FEATURE_DTS, CR_EAX, 0, 0x00000006, 0 }, { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006, 0 }, { X86_FEATURE_ARAT, CR_EAX, 2, 0x00000006, 0 }, { X86_FEATURE_PLN, CR_EAX, 4, 0x00000006, 0 }, diff --git a/trunk/arch/x86/kernel/kgdb.c b/trunk/arch/x86/kernel/kgdb.c index 3f61904365cf..8bfb6146f753 100644 --- a/trunk/arch/x86/kernel/kgdb.c +++ b/trunk/arch/x86/kernel/kgdb.c @@ -444,12 +444,12 @@ void kgdb_roundup_cpus(unsigned long flags) /** * kgdb_arch_handle_exception - Handle architecture specific GDB packets. - * @e_vector: The error vector of the exception that happened. + * @vector: The error vector of the exception that happened. * @signo: The signal number of the exception that happened. * @err_code: The error code of the exception that happened. - * @remcomInBuffer: The buffer of the packet we have read. - * @remcomOutBuffer: The buffer of %BUFMAX bytes to write a packet into. - * @linux_regs: The &struct pt_regs of the current process. + * @remcom_in_buffer: The buffer of the packet we have read. + * @remcom_out_buffer: The buffer of %BUFMAX bytes to write a packet into. + * @regs: The &struct pt_regs of the current process. * * This function MUST handle the 'c' and 's' command packets, * as well packets to set / remove a hardware breakpoint, if used. diff --git a/trunk/arch/x86/kernel/reboot.c b/trunk/arch/x86/kernel/reboot.c index 5de92f1abd76..25b48edb847c 100644 --- a/trunk/arch/x86/kernel/reboot.c +++ b/trunk/arch/x86/kernel/reboot.c @@ -451,14 +451,6 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"), }, }, - { /* Handle problems with rebooting on the Precision M6600. */ - .callback = set_pci_reboot, - .ident = "Dell OptiPlex 990", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"), - }, - }, { } }; diff --git a/trunk/arch/x86/lib/csum-wrappers_64.c b/trunk/arch/x86/lib/csum-wrappers_64.c index 25b7ae8d058a..459b58a8a15c 100644 --- a/trunk/arch/x86/lib/csum-wrappers_64.c +++ b/trunk/arch/x86/lib/csum-wrappers_64.c @@ -115,7 +115,7 @@ EXPORT_SYMBOL(csum_partial_copy_to_user); * @src: source address * @dst: destination address * @len: number of bytes to be copied. - * @sum: initial sum that is added into the result (32bit unfolded) + * @isum: initial sum that is added into the result (32bit unfolded) * * Returns an 32bit unfolded checksum of the buffer. */ diff --git a/trunk/drivers/acpi/acpi_pad.c b/trunk/drivers/acpi/acpi_pad.c index 1502c50273b5..a43fa1a57d57 100644 --- a/trunk/drivers/acpi/acpi_pad.c +++ b/trunk/drivers/acpi/acpi_pad.c @@ -36,7 +36,6 @@ #define ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME "Processor Aggregator" #define ACPI_PROCESSOR_AGGREGATOR_NOTIFY 0x80 static DEFINE_MUTEX(isolated_cpus_lock); -static DEFINE_MUTEX(round_robin_lock); static unsigned long power_saving_mwait_eax; @@ -108,7 +107,7 @@ static void round_robin_cpu(unsigned int tsk_index) if (!alloc_cpumask_var(&tmp, GFP_KERNEL)) return; - mutex_lock(&round_robin_lock); + mutex_lock(&isolated_cpus_lock); cpumask_clear(tmp); for_each_cpu(cpu, pad_busy_cpus) cpumask_or(tmp, tmp, topology_thread_cpumask(cpu)); @@ -117,7 +116,7 @@ static void round_robin_cpu(unsigned int tsk_index) if (cpumask_empty(tmp)) cpumask_andnot(tmp, cpu_online_mask, pad_busy_cpus); if (cpumask_empty(tmp)) { - mutex_unlock(&round_robin_lock); + mutex_unlock(&isolated_cpus_lock); return; } for_each_cpu(cpu, tmp) { @@ -132,7 +131,7 @@ static void round_robin_cpu(unsigned int tsk_index) tsk_in_cpu[tsk_index] = preferred_cpu; cpumask_set_cpu(preferred_cpu, pad_busy_cpus); cpu_weight[preferred_cpu]++; - mutex_unlock(&round_robin_lock); + mutex_unlock(&isolated_cpus_lock); set_cpus_allowed_ptr(current, cpumask_of(preferred_cpu)); } diff --git a/trunk/drivers/acpi/apei/apei-base.c b/trunk/drivers/acpi/apei/apei-base.c index 6686b1eaf13e..5577762daee1 100644 --- a/trunk/drivers/acpi/apei/apei-base.c +++ b/trunk/drivers/acpi/apei/apei-base.c @@ -243,7 +243,7 @@ static int pre_map_gar_callback(struct apei_exec_context *ctx, u8 ins = entry->instruction; if (ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER) - return apei_map_generic_address(&entry->register_region); + return acpi_os_map_generic_address(&entry->register_region); return 0; } @@ -276,7 +276,7 @@ static int post_unmap_gar_callback(struct apei_exec_context *ctx, u8 ins = entry->instruction; if (ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER) - apei_unmap_generic_address(&entry->register_region); + acpi_os_unmap_generic_address(&entry->register_region); return 0; } @@ -606,19 +606,6 @@ static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr, return 0; } -int apei_map_generic_address(struct acpi_generic_address *reg) -{ - int rc; - u32 access_bit_width; - u64 address; - - rc = apei_check_gar(reg, &address, &access_bit_width); - if (rc) - return rc; - return acpi_os_map_generic_address(reg); -} -EXPORT_SYMBOL_GPL(apei_map_generic_address); - /* read GAR in interrupt (including NMI) or process context */ int apei_read(u64 *val, struct acpi_generic_address *reg) { diff --git a/trunk/drivers/acpi/apei/apei-internal.h b/trunk/drivers/acpi/apei/apei-internal.h index f220d642136e..cca240a33038 100644 --- a/trunk/drivers/acpi/apei/apei-internal.h +++ b/trunk/drivers/acpi/apei/apei-internal.h @@ -7,8 +7,6 @@ #define APEI_INTERNAL_H #include -#include -#include struct apei_exec_context; @@ -70,13 +68,6 @@ static inline int apei_exec_run_optional(struct apei_exec_context *ctx, u8 actio /* IP has been set in instruction function */ #define APEI_EXEC_SET_IP 1 -int apei_map_generic_address(struct acpi_generic_address *reg); - -static inline void apei_unmap_generic_address(struct acpi_generic_address *reg) -{ - acpi_os_unmap_generic_address(reg); -} - int apei_read(u64 *val, struct acpi_generic_address *reg); int apei_write(u64 val, struct acpi_generic_address *reg); diff --git a/trunk/drivers/acpi/apei/ghes.c b/trunk/drivers/acpi/apei/ghes.c index 1599566ed1fe..9b3cac0abecc 100644 --- a/trunk/drivers/acpi/apei/ghes.c +++ b/trunk/drivers/acpi/apei/ghes.c @@ -301,7 +301,7 @@ static struct ghes *ghes_new(struct acpi_hest_generic *generic) if (!ghes) return ERR_PTR(-ENOMEM); ghes->generic = generic; - rc = apei_map_generic_address(&generic->error_status_address); + rc = acpi_os_map_generic_address(&generic->error_status_address); if (rc) goto err_free; error_block_length = generic->error_block_length; @@ -321,7 +321,7 @@ static struct ghes *ghes_new(struct acpi_hest_generic *generic) return ghes; err_unmap: - apei_unmap_generic_address(&generic->error_status_address); + acpi_os_unmap_generic_address(&generic->error_status_address); err_free: kfree(ghes); return ERR_PTR(rc); @@ -330,7 +330,7 @@ static struct ghes *ghes_new(struct acpi_hest_generic *generic) static void ghes_fini(struct ghes *ghes) { kfree(ghes->estatus); - apei_unmap_generic_address(&ghes->generic->error_status_address); + acpi_os_unmap_generic_address(&ghes->generic->error_status_address); } enum { diff --git a/trunk/drivers/acpi/processor_idle.c b/trunk/drivers/acpi/processor_idle.c index 47a8caa89dbe..f3decb30223f 100644 --- a/trunk/drivers/acpi/processor_idle.c +++ b/trunk/drivers/acpi/processor_idle.c @@ -224,7 +224,6 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr, /* * Suspend / resume control */ -static int acpi_idle_suspend; static u32 saved_bm_rld; static void acpi_idle_bm_rld_save(void) @@ -243,21 +242,13 @@ static void acpi_idle_bm_rld_restore(void) int acpi_processor_suspend(struct acpi_device * device, pm_message_t state) { - if (acpi_idle_suspend == 1) - return 0; - acpi_idle_bm_rld_save(); - acpi_idle_suspend = 1; return 0; } int acpi_processor_resume(struct acpi_device * device) { - if (acpi_idle_suspend == 0) - return 0; - acpi_idle_bm_rld_restore(); - acpi_idle_suspend = 0; return 0; } @@ -763,12 +754,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, local_irq_disable(); - if (acpi_idle_suspend) { - local_irq_enable(); - cpu_relax(); - return -EBUSY; - } - lapic_timer_state_broadcast(pr, cx, 1); kt1 = ktime_get_real(); acpi_idle_do_entry(cx); @@ -838,12 +823,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, local_irq_disable(); - if (acpi_idle_suspend) { - local_irq_enable(); - cpu_relax(); - return -EBUSY; - } - if (cx->entry_method != ACPI_CSTATE_FFH) { current_thread_info()->status &= ~TS_POLLING; /* @@ -928,21 +907,14 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, drv, drv->safe_state_index); } else { local_irq_disable(); - if (!acpi_idle_suspend) - acpi_safe_halt(); + acpi_safe_halt(); local_irq_enable(); - return -EBUSY; + return -EINVAL; } } local_irq_disable(); - if (acpi_idle_suspend) { - local_irq_enable(); - cpu_relax(); - return -EBUSY; - } - if (cx->entry_method != ACPI_CSTATE_FFH) { current_thread_info()->status &= ~TS_POLLING; /* diff --git a/trunk/drivers/acpi/sysfs.c b/trunk/drivers/acpi/sysfs.c index 240a24400976..9f66181c814e 100644 --- a/trunk/drivers/acpi/sysfs.c +++ b/trunk/drivers/acpi/sysfs.c @@ -173,7 +173,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp) { int result = 0; - if (!strncmp(val, "enable", strlen("enable"))) { + if (!strncmp(val, "enable", strlen("enable") - 1)) { result = acpi_debug_trace(trace_method_name, trace_debug_level, trace_debug_layer, 0); if (result) @@ -181,7 +181,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp) goto exit; } - if (!strncmp(val, "disable", strlen("disable"))) { + if (!strncmp(val, "disable", strlen("disable") - 1)) { int name = 0; result = acpi_debug_trace((char *)&name, trace_debug_level, trace_debug_layer, 0); diff --git a/trunk/drivers/acpi/video.c b/trunk/drivers/acpi/video.c index 1e0a9e17c31d..a576575617d7 100644 --- a/trunk/drivers/acpi/video.c +++ b/trunk/drivers/acpi/video.c @@ -558,8 +558,6 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - if (!video->cap._DOS) - return 0; if (bios_flag < 0 || bios_flag > 3 || lcd_flag < 0 || lcd_flag > 1) return -EINVAL; diff --git a/trunk/drivers/base/power/main.c b/trunk/drivers/base/power/main.c index 9cb845e49334..e0fb5b0435a3 100644 --- a/trunk/drivers/base/power/main.c +++ b/trunk/drivers/base/power/main.c @@ -1031,7 +1031,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) dpm_wait_for_children(dev, async); if (async_error) - goto Complete; + return 0; pm_runtime_get_noresume(dev); if (pm_runtime_barrier(dev) && device_may_wakeup(dev)) @@ -1040,7 +1040,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) if (pm_wakeup_pending()) { pm_runtime_put_sync(dev); async_error = -EBUSY; - goto Complete; + return 0; } device_lock(dev); @@ -1097,8 +1097,6 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) } device_unlock(dev); - - Complete: complete_all(&dev->power.completion); if (error) { diff --git a/trunk/drivers/hwmon/coretemp.c b/trunk/drivers/hwmon/coretemp.c index 637c51c11b44..7f1feb2f467a 100644 --- a/trunk/drivers/hwmon/coretemp.c +++ b/trunk/drivers/hwmon/coretemp.c @@ -693,7 +693,7 @@ static void __cpuinit get_core_online(unsigned int cpu) * sensors. We check this bit only, all the early CPUs * without thermal sensors will be filtered out. */ - if (!cpu_has(c, X86_FEATURE_DTHERM)) + if (!cpu_has(c, X86_FEATURE_DTS)) return; if (!pdev) { @@ -794,7 +794,7 @@ static struct notifier_block coretemp_cpu_notifier __refdata = { }; static const struct x86_cpu_id coretemp_ids[] = { - { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_DTHERM }, + { X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, X86_FEATURE_DTS }, {} }; MODULE_DEVICE_TABLE(x86cpu, coretemp_ids); diff --git a/trunk/drivers/oprofile/oprofile_perf.c b/trunk/drivers/oprofile/oprofile_perf.c index efc4b7f308cf..da14432806c6 100644 --- a/trunk/drivers/oprofile/oprofile_perf.c +++ b/trunk/drivers/oprofile/oprofile_perf.c @@ -25,7 +25,7 @@ static int oprofile_perf_enabled; static DEFINE_MUTEX(oprofile_perf_mutex); static struct op_counter_config *counter_config; -static struct perf_event **perf_events[NR_CPUS]; +static struct perf_event **perf_events[nr_cpumask_bits]; static int num_counters; /* diff --git a/trunk/include/linux/irq.h b/trunk/include/linux/irq.h index a5261e3d2e3c..61f5cec031e0 100644 --- a/trunk/include/linux/irq.h +++ b/trunk/include/linux/irq.h @@ -301,6 +301,8 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) * @irq_pm_shutdown: function called from core code on shutdown once per chip * @irq_print_chip: optional to print special chip info in show_interrupts * @flags: chip specific flags + * + * @release: release function solely used by UML */ struct irq_chip { const char *name; diff --git a/trunk/kernel/printk.c b/trunk/kernel/printk.c index dba18211685e..a2276b916769 100644 --- a/trunk/kernel/printk.c +++ b/trunk/kernel/printk.c @@ -193,19 +193,12 @@ static int console_may_schedule; * separated by ',', and find the message after the ';' character. */ -enum log_flags { - LOG_DEFAULT = 0, - LOG_NOCONS = 1, /* already flushed, do not print to console */ -}; - struct log { u64 ts_nsec; /* timestamp in nanoseconds */ u16 len; /* length of entire record */ u16 text_len; /* length of text buffer */ u16 dict_len; /* length of dictionary buffer */ - u8 facility; /* syslog facility */ - u8 flags:5; /* internal record flags */ - u8 level:3; /* syslog level */ + u16 level; /* syslog level + facility */ }; /* @@ -293,7 +286,6 @@ static u32 log_next(u32 idx) /* insert record into the buffer, discard old ones, update heads */ static void log_store(int facility, int level, - enum log_flags flags, u64 ts_nsec, const char *dict, u16 dict_len, const char *text, u16 text_len) { @@ -337,13 +329,8 @@ static void log_store(int facility, int level, msg->text_len = text_len; memcpy(log_dict(msg), dict, dict_len); msg->dict_len = dict_len; - msg->facility = facility; - msg->level = level & 7; - msg->flags = flags & 0x1f; - if (ts_nsec > 0) - msg->ts_nsec = ts_nsec; - else - msg->ts_nsec = local_clock(); + msg->level = (facility << 3) | (level & 7); + 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; @@ -459,7 +446,7 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf, ts_usec = msg->ts_nsec; do_div(ts_usec, 1000); len = sprintf(user->buf, "%u,%llu,%llu;", - (msg->facility << 3) | msg->level, user->seq, ts_usec); + msg->level, user->seq, ts_usec); /* escape non-printable characters */ for (i = 0; i < msg->text_len; i++) { @@ -800,21 +787,6 @@ static bool printk_time; #endif module_param_named(time, printk_time, bool, S_IRUGO | S_IWUSR); -static size_t print_time(u64 ts, char *buf) -{ - unsigned long rem_nsec; - - if (!printk_time) - return 0; - - if (!buf) - return 15; - - rem_nsec = do_div(ts, 1000000000); - return sprintf(buf, "[%5lu.%06lu] ", - (unsigned long)ts, rem_nsec / 1000); -} - static size_t print_prefix(const struct log *msg, bool syslog, char *buf) { size_t len = 0; @@ -831,7 +803,18 @@ static size_t print_prefix(const struct log *msg, bool syslog, char *buf) } } - len += print_time(msg->ts_nsec, buf ? buf + len : NULL); + if (printk_time) { + if (buf) { + unsigned long long ts = msg->ts_nsec; + unsigned long rem_nsec = do_div(ts, 1000000000); + + len += sprintf(buf + len, "[%5lu.%06lu] ", + (unsigned long) ts, rem_nsec / 1000); + } else { + len += 15; + } + } + return len; } @@ -879,49 +862,28 @@ static int syslog_print(char __user *buf, int size) { char *text; struct log *msg; - int len = 0; + int len; text = kmalloc(LOG_LINE_MAX, GFP_KERNEL); if (!text) return -ENOMEM; - while (size > 0) { - size_t n; - - raw_spin_lock_irq(&logbuf_lock); - if (syslog_seq < log_first_seq) { - /* messages are gone, move to first one */ - syslog_seq = log_first_seq; - syslog_idx = log_first_idx; - } - if (syslog_seq == log_next_seq) { - raw_spin_unlock_irq(&logbuf_lock); - break; - } - msg = log_from_idx(syslog_idx); - n = msg_print_text(msg, true, text, LOG_LINE_MAX); - if (n <= size) { - syslog_idx = log_next(syslog_idx); - syslog_seq++; - } else - n = 0; - raw_spin_unlock_irq(&logbuf_lock); - - if (!n) - break; - - len += n; - size -= n; - buf += n; - n = copy_to_user(buf - n, text, n); + raw_spin_lock_irq(&logbuf_lock); + if (syslog_seq < log_first_seq) { + /* messages are gone, move to first one */ + syslog_seq = log_first_seq; + syslog_idx = log_first_idx; + } + msg = log_from_idx(syslog_idx); + len = msg_print_text(msg, true, text, LOG_LINE_MAX); + syslog_idx = log_next(syslog_idx); + syslog_seq++; + raw_spin_unlock_irq(&logbuf_lock); - if (n) { - len -= n; - if (!len) - len = -EFAULT; - break; - } - } + if (len > size) + len = -EINVAL; + else if (len > 0 && copy_to_user(buf, text, len)) + len = -EFAULT; kfree(text); return len; @@ -1078,7 +1040,6 @@ int do_syslog(int type, char __user *buf, int len, bool from_file) /* Clear ring buffer */ case SYSLOG_ACTION_CLEAR: syslog_print_all(NULL, 0, true); - break; /* Disable logging to console */ case SYSLOG_ACTION_CONSOLE_OFF: if (saved_console_loglevel == -1) @@ -1311,92 +1272,15 @@ static inline void printk_delay(void) } } -/* - * Continuation lines are buffered, and not committed to the record buffer - * until the line is complete, or a race forces it. The line fragments - * though, are printed immediately to the consoles to ensure everything has - * reached the console in case of a kernel crash. - */ -static struct cont { - char buf[LOG_LINE_MAX]; - size_t len; /* length == 0 means unused buffer */ - size_t cons; /* bytes written to console */ - struct task_struct *owner; /* task of first print*/ - u64 ts_nsec; /* time of first print */ - u8 level; /* log level of first message */ - u8 facility; /* log level of first message */ - bool flushed:1; /* buffer sealed and committed */ -} cont; - -static void cont_flush(void) -{ - if (cont.flushed) - return; - if (cont.len == 0) - return; - - log_store(cont.facility, cont.level, LOG_NOCONS, cont.ts_nsec, - NULL, 0, cont.buf, cont.len); - - cont.flushed = true; -} - -static bool cont_add(int facility, int level, const char *text, size_t len) -{ - if (cont.len && cont.flushed) - return false; - - if (cont.len + len > sizeof(cont.buf)) { - cont_flush(); - return false; - } - - if (!cont.len) { - cont.facility = facility; - cont.level = level; - cont.owner = current; - cont.ts_nsec = local_clock(); - cont.cons = 0; - cont.flushed = false; - } - - memcpy(cont.buf + cont.len, text, len); - cont.len += len; - return true; -} - -static size_t cont_print_text(char *text, size_t size) -{ - size_t textlen = 0; - size_t len; - - if (cont.cons == 0) { - textlen += print_time(cont.ts_nsec, text); - size -= textlen; - } - - len = cont.len - cont.cons; - if (len > 0) { - if (len+1 > size) - len = size-1; - memcpy(text + textlen, cont.buf + cont.cons, len); - textlen += len; - cont.cons = cont.len; - } - - if (cont.flushed) { - text[textlen++] = '\n'; - /* got everything, release buffer */ - cont.len = 0; - } - return textlen; -} - asmlinkage int vprintk_emit(int facility, int level, const char *dict, size_t dictlen, const char *fmt, va_list args) { static int recursion_bug; + static char cont_buf[LOG_LINE_MAX]; + static size_t cont_len; + static int cont_level; + static struct task_struct *cont_task; static char textbuf[LOG_LINE_MAX]; char *text = textbuf; size_t text_len; @@ -1442,8 +1326,7 @@ asmlinkage int vprintk_emit(int facility, int level, recursion_bug = 0; printed_len += strlen(recursion_msg); /* emit KERN_CRIT message */ - log_store(0, 2, LOG_DEFAULT, 0, - NULL, 0, recursion_msg, printed_len); + log_store(0, 2, NULL, 0, recursion_msg, printed_len); } /* @@ -1481,37 +1364,55 @@ asmlinkage int vprintk_emit(int facility, int level, } if (!newline) { - /* - * Flush the conflicting buffer. An earlier newline was missing, - * or another task also prints continuation lines. - */ - if (cont.len && (prefix || cont.owner != current)) - cont_flush(); - - /* buffer line if possible, otherwise store it right away */ - if (!cont_add(facility, level, text, text_len)) - log_store(facility, level, LOG_DEFAULT, 0, - dict, dictlen, text, text_len); - } else { - bool stored = false; + if (cont_len && (prefix || cont_task != current)) { + /* + * Flush earlier buffer, which is either from a + * different thread, or when we got a new prefix. + */ + log_store(facility, cont_level, NULL, 0, cont_buf, cont_len); + cont_len = 0; + } - /* - * If an earlier newline was missing and it was the same task, - * either merge it with the current buffer and flush, or if - * there was a race with interrupts (prefix == true) then just - * flush it out and store this line separately. - */ - if (cont.len && cont.owner == current) { - if (!prefix) - stored = cont_add(facility, level, text, text_len); - cont_flush(); + if (!cont_len) { + cont_level = level; + cont_task = current; } - if (!stored) - log_store(facility, level, LOG_DEFAULT, 0, + /* buffer or append to earlier buffer from the same thread */ + if (cont_len + text_len > sizeof(cont_buf)) + text_len = sizeof(cont_buf) - cont_len; + memcpy(cont_buf + cont_len, text, text_len); + cont_len += text_len; + } else { + if (cont_len && cont_task == current) { + if (prefix) { + /* + * New prefix from the same thread; flush. We + * either got no earlier newline, or we race + * with an interrupt. + */ + log_store(facility, cont_level, + NULL, 0, cont_buf, cont_len); + cont_len = 0; + } + + /* append to the earlier buffer and flush */ + if (cont_len + text_len > sizeof(cont_buf)) + text_len = sizeof(cont_buf) - cont_len; + memcpy(cont_buf + cont_len, text, text_len); + cont_len += text_len; + log_store(facility, cont_level, + NULL, 0, cont_buf, cont_len); + cont_len = 0; + cont_task = NULL; + printed_len = cont_len; + } else { + /* ordinary single and terminated line */ + log_store(facility, level, dict, dictlen, text, text_len); + printed_len = text_len; + } } - printed_len += text_len; /* * Try to acquire and then immediately release the console semaphore. @@ -1598,18 +1499,11 @@ EXPORT_SYMBOL(printk); #else #define LOG_LINE_MAX 0 -static struct cont { - size_t len; - size_t cons; - u8 level; - bool flushed:1; -} cont; static struct 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, bool syslog, char *buf, size_t size) { return 0; } -static size_t cont_print_text(char *text, size_t size) { return 0; } #endif /* CONFIG_PRINTK */ @@ -1901,7 +1795,6 @@ static u32 console_idx; */ void console_unlock(void) { - static char text[LOG_LINE_MAX]; static u64 seen_seq; unsigned long flags; bool wake_klogd = false; @@ -1914,23 +1807,10 @@ void console_unlock(void) console_may_schedule = 0; - /* flush buffered message fragment immediately to console */ - raw_spin_lock_irqsave(&logbuf_lock, flags); - if (cont.len && (cont.cons < cont.len || cont.flushed)) { - size_t len; - - len = cont_print_text(text, sizeof(text)); - raw_spin_unlock(&logbuf_lock); - stop_critical_timings(); - call_console_drivers(cont.level, text, len); - start_critical_timings(); - local_irq_restore(flags); - } else - raw_spin_unlock_irqrestore(&logbuf_lock, flags); - again: for (;;) { struct log *msg; + static char text[LOG_LINE_MAX]; size_t len; int level; @@ -1945,22 +1825,13 @@ void console_unlock(void) console_seq = log_first_seq; console_idx = log_first_idx; } -skip: + if (console_seq == log_next_seq) break; msg = log_from_idx(console_idx); - if (msg->flags & LOG_NOCONS) { - /* - * Skip record we have buffered and already printed - * directly to the console when we received it. - */ - console_idx = log_next(console_idx); - console_seq++; - goto skip; - } + level = msg->level & 7; - level = msg->level; len = msg_print_text(msg, false, text, sizeof(text)); console_idx = log_next(console_idx); @@ -2538,7 +2409,7 @@ EXPORT_SYMBOL_GPL(kmsg_dump_get_line); * kmsg_dump_get_buffer - copy kmsg log lines * @dumper: registered kmsg dumper * @syslog: include the "<4>" prefixes - * @buf: buffer to copy the line to + * @line: buffer to copy the line to * @size: maximum size of the buffer * @len: length of line placed into buffer * diff --git a/trunk/kernel/rcutree.c b/trunk/kernel/rcutree.c index 38ecdda3f55f..3b0f1337f75b 100644 --- a/trunk/kernel/rcutree.c +++ b/trunk/kernel/rcutree.c @@ -1530,7 +1530,7 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp) { unsigned long flags; struct rcu_head *next, *list, **tail; - int bl, count, count_lazy, i; + int bl, count, count_lazy; /* If no callbacks are ready, just return.*/ if (!cpu_has_callbacks_ready_to_invoke(rdp)) { @@ -1553,9 +1553,9 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp) rdp->nxtlist = *rdp->nxttail[RCU_DONE_TAIL]; *rdp->nxttail[RCU_DONE_TAIL] = NULL; tail = rdp->nxttail[RCU_DONE_TAIL]; - for (i = RCU_NEXT_SIZE - 1; i >= 0; i--) - if (rdp->nxttail[i] == rdp->nxttail[RCU_DONE_TAIL]) - rdp->nxttail[i] = &rdp->nxtlist; + for (count = RCU_NEXT_SIZE - 1; count >= 0; count--) + if (rdp->nxttail[count] == rdp->nxttail[RCU_DONE_TAIL]) + rdp->nxttail[count] = &rdp->nxtlist; local_irq_restore(flags); /* Invoke callbacks. */ @@ -1583,9 +1583,9 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp) if (list != NULL) { *tail = rdp->nxtlist; rdp->nxtlist = list; - for (i = 0; i < RCU_NEXT_SIZE; i++) - if (&rdp->nxtlist == rdp->nxttail[i]) - rdp->nxttail[i] = tail; + for (count = 0; count < RCU_NEXT_SIZE; count++) + if (&rdp->nxtlist == rdp->nxttail[count]) + rdp->nxttail[count] = tail; else break; }