diff options
209 files changed, 1509 insertions, 649 deletions
diff --git a/Documentation/credentials.txt b/Documentation/credentials.txt index a2db3528700..995baf379c0 100644 --- a/Documentation/credentials.txt +++ b/Documentation/credentials.txt @@ -417,6 +417,9 @@ reference on them using: This does all the RCU magic inside of it. The caller must call put_cred() on the credentials so obtained when they're finished with. + [*] Note: The result of __task_cred() should not be passed directly to + get_cred() as this may race with commit_cred(). + There are a couple of convenience functions to access bits of another task's credentials, hiding the RCU magic from the caller: diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index c268783bc4e..1571c0c83db 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -647,3 +647,10 @@ Who: Stefan Richter <stefanr@s5r6.in-berlin.de> ---------------------------- +What: The acpi_sleep=s4_nonvs command line option +When: 2.6.37 +Files: arch/x86/kernel/acpi/sleep.c +Why: superseded by acpi_sleep=nonvs +Who: Rafael J. Wysocki <rjw@sisk.pl> + +---------------------------- diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 4ddb58df081..2b2407d9a6d 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -254,8 +254,8 @@ and is between 256 and 4096 characters. It is defined in the file control method, with respect to putting devices into low power states, to be enforced (the ACPI 2.0 ordering of _PTS is used by default). - s4_nonvs prevents the kernel from saving/restoring the - ACPI NVS memory during hibernation. + nonvs prevents the kernel from saving/restoring the + ACPI NVS memory during suspend/hibernation and resume. sci_force_enable causes the kernel to set SCI_EN directly on resume from S1/S3 (which is against the ACPI spec, but some broken systems don't work without it). diff --git a/MAINTAINERS b/MAINTAINERS index b7f6a88ce12..5d5f9e2617f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6236,6 +6236,8 @@ F: drivers/mmc/host/wbsd.* WATCHDOG DEVICE DRIVERS M: Wim Van Sebroeck <wim@iguana.be> +L: linux-watchdog@vger.kernel.org +W: http://www.linux-watchdog.org/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git S: Maintained F: Documentation/watchdog/ @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 35 -EXTRAVERSION = -rc5 +EXTRAVERSION = NAME = Sheep on Meth # *DOCUMENTATION* diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 53faa9063a0..864a002137f 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -71,6 +71,9 @@ targets := vmlinux vmlinux.lds \ piggy.$(suffix_y) piggy.$(suffix_y).o \ font.o font.c head.o misc.o $(OBJS) +# Make sure files are removed during clean +extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S + ifeq ($(CONFIG_FUNCTION_TRACER),y) ORIG_CFLAGS := $(KBUILD_CFLAGS) KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 6f80665f477..9eaf65f4364 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -1028,13 +1028,12 @@ static int sa1111_remove(struct platform_device *pdev) struct sa1111 *sachip = platform_get_drvdata(pdev); if (sachip) { - __sa1111_remove(sachip); - platform_set_drvdata(pdev, NULL); - #ifdef CONFIG_PM kfree(sachip->saved_state); sachip->saved_state = NULL; #endif + __sa1111_remove(sachip); + platform_set_drvdata(pdev, NULL); } return 0; diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index c980156f326..1261b1f928d 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -26,6 +26,7 @@ #include <linux/types.h> #include <asm/byteorder.h> #include <asm/memory.h> +#include <asm/system.h> /* * ISA I/O bus memory addresses are 1:1 with the physical address. @@ -179,25 +180,38 @@ extern void _memset_io(volatile void __iomem *, int, size_t); * IO port primitives for more information. */ #ifdef __mem_pci -#define readb(c) ({ __u8 __v = __raw_readb(__mem_pci(c)); __v; }) -#define readw(c) ({ __u16 __v = le16_to_cpu((__force __le16) \ +#define readb_relaxed(c) ({ u8 __v = __raw_readb(__mem_pci(c)); __v; }) +#define readw_relaxed(c) ({ u16 __v = le16_to_cpu((__force __le16) \ __raw_readw(__mem_pci(c))); __v; }) -#define readl(c) ({ __u32 __v = le32_to_cpu((__force __le32) \ +#define readl_relaxed(c) ({ u32 __v = le32_to_cpu((__force __le32) \ __raw_readl(__mem_pci(c))); __v; }) -#define readb_relaxed(addr) readb(addr) -#define readw_relaxed(addr) readw(addr) -#define readl_relaxed(addr) readl(addr) + +#define writeb_relaxed(v,c) ((void)__raw_writeb(v,__mem_pci(c))) +#define writew_relaxed(v,c) ((void)__raw_writew((__force u16) \ + cpu_to_le16(v),__mem_pci(c))) +#define writel_relaxed(v,c) ((void)__raw_writel((__force u32) \ + cpu_to_le32(v),__mem_pci(c))) + +#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE +#define __iormb() rmb() +#define __iowmb() wmb() +#else +#define __iormb() do { } while (0) +#define __iowmb() do { } while (0) +#endif + +#define readb(c) ({ u8 __v = readb_relaxed(c); __iormb(); __v; }) +#define readw(c) ({ u16 __v = readw_relaxed(c); __iormb(); __v; }) +#define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(); __v; }) + +#define writeb(v,c) ({ __iowmb(); writeb_relaxed(v,c); }) +#define writew(v,c) ({ __iowmb(); writew_relaxed(v,c); }) +#define writel(v,c) ({ __iowmb(); writel_relaxed(v,c); }) #define readsb(p,d,l) __raw_readsb(__mem_pci(p),d,l) #define readsw(p,d,l) __raw_readsw(__mem_pci(p),d,l) #define readsl(p,d,l) __raw_readsl(__mem_pci(p),d,l) -#define writeb(v,c) __raw_writeb(v,__mem_pci(c)) -#define writew(v,c) __raw_writew((__force __u16) \ - cpu_to_le16(v),__mem_pci(c)) -#define writel(v,c) __raw_writel((__force __u32) \ - cpu_to_le32(v),__mem_pci(c)) - #define writesb(p,d,l) __raw_writesb(__mem_pci(p),d,l) #define writesw(p,d,l) __raw_writesw(__mem_pci(p),d,l) #define writesl(p,d,l) __raw_writesl(__mem_pci(p),d,l) @@ -244,13 +258,13 @@ extern void _memset_io(volatile void __iomem *, int, size_t); * io{read,write}{8,16,32} macros */ #ifndef ioread8 -#define ioread8(p) ({ unsigned int __v = __raw_readb(p); __v; }) -#define ioread16(p) ({ unsigned int __v = le16_to_cpu((__force __le16)__raw_readw(p)); __v; }) -#define ioread32(p) ({ unsigned int __v = le32_to_cpu((__force __le32)__raw_readl(p)); __v; }) +#define ioread8(p) ({ unsigned int __v = __raw_readb(p); __iormb(); __v; }) +#define ioread16(p) ({ unsigned int __v = le16_to_cpu((__force __le16)__raw_readw(p)); __iormb(); __v; }) +#define ioread32(p) ({ unsigned int __v = le32_to_cpu((__force __le32)__raw_readl(p)); __iormb(); __v; }) -#define iowrite8(v,p) __raw_writeb(v, p) -#define iowrite16(v,p) __raw_writew((__force __u16)cpu_to_le16(v), p) -#define iowrite32(v,p) __raw_writel((__force __u32)cpu_to_le32(v), p) +#define iowrite8(v,p) ({ __iowmb(); (void)__raw_writeb(v, p); }) +#define iowrite16(v,p) ({ __iowmb(); (void)__raw_writew((__force __u16)cpu_to_le16(v), p); }) +#define iowrite32(v,p) ({ __iowmb(); (void)__raw_writel((__force __u32)cpu_to_le32(v), p); }) #define ioread8_rep(p,d,c) __raw_readsb(p,d,c) #define ioread16_rep(p,d,c) __raw_readsw(p,d,c) diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S index 59ff6fdc1e6..7d08b43d2c0 100644 --- a/arch/arm/lib/csumpartialcopyuser.S +++ b/arch/arm/lib/csumpartialcopyuser.S @@ -71,7 +71,7 @@ .pushsection .fixup,"ax" .align 4 9001: mov r4, #-EFAULT - ldr r5, [fp, #4] @ *err_ptr + ldr r5, [sp, #8*4] @ *err_ptr str r4, [r5] ldmia sp, {r1, r2} @ retrieve dst, len add r2, r2, r1 diff --git a/arch/arm/mach-clps711x/include/mach/debug-macro.S b/arch/arm/mach-clps711x/include/mach/debug-macro.S index fedd8076a68..072cc6b61ba 100644 --- a/arch/arm/mach-clps711x/include/mach/debug-macro.S +++ b/arch/arm/mach-clps711x/include/mach/debug-macro.S @@ -11,6 +11,7 @@ * */ +#include <mach/hardware.h> #include <asm/hardware/clps7111.h> .macro addruart, rx, tmp diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 2ec3095ffb7..b280efb1fa1 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -25,6 +25,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/regulator/machine.h> +#include <linux/regulator/tps6507x.h> #include <linux/mfd/tps6507x.h> #include <linux/input/tps6507x-ts.h> @@ -469,6 +470,11 @@ struct regulator_consumer_supply tps65070_ldo2_consumers[] = { }, }; +/* We take advantage of the fact that both defdcdc{2,3} are tied high */ +static struct tps6507x_reg_platform_data tps6507x_platform_data = { + .defdcdc_default = true, +}; + struct regulator_init_data tps65070_regulator_data[] = { /* dcdc1 */ { @@ -494,6 +500,7 @@ struct regulator_init_data tps65070_regulator_data[] = { }, .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers), .consumer_supplies = tps65070_dcdc2_consumers, + .driver_data = &tps6507x_platform_data, }, /* dcdc3 */ @@ -507,6 +514,7 @@ struct regulator_init_data tps65070_regulator_data[] = { }, .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers), .consumer_supplies = tps65070_dcdc3_consumers, + .driver_data = &tps6507x_platform_data, }, /* ldo1 */ diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c index e3bc3f6f6b1..88b3dd89be8 100644 --- a/arch/arm/mach-footbridge/common.c +++ b/arch/arm/mach-footbridge/common.c @@ -232,7 +232,7 @@ EXPORT_SYMBOL(__bus_to_virt); unsigned long __pfn_to_bus(unsigned long pfn) { - return __pfn_to_phys(pfn) + (fb_bus_sdram_offset() - PHYS_OFFSET)); + return __pfn_to_phys(pfn) + (fb_bus_sdram_offset() - PHYS_OFFSET); } EXPORT_SYMBOL(__pfn_to_bus); diff --git a/arch/arm/mach-h720x/include/mach/debug-macro.S b/arch/arm/mach-h720x/include/mach/debug-macro.S index a9ee8f0d48b..27cafd12f03 100644 --- a/arch/arm/mach-h720x/include/mach/debug-macro.S +++ b/arch/arm/mach-h720x/include/mach/debug-macro.S @@ -11,8 +11,10 @@ * */ - .equ io_virt, IO_BASE - .equ io_phys, IO_START +#include <mach/hardware.h> + + .equ io_virt, IO_VIRT + .equ io_phys, IO_PHYS .macro addruart, rx, tmp mrc p15, 0, \rx, c1, c0 diff --git a/arch/arm/mach-kirkwood/tsx1x-common.c b/arch/arm/mach-kirkwood/tsx1x-common.c index 7221c20b2af..f781164e623 100644 --- a/arch/arm/mach-kirkwood/tsx1x-common.c +++ b/arch/arm/mach-kirkwood/tsx1x-common.c @@ -77,7 +77,7 @@ struct spi_board_info __initdata qnap_tsx1x_spi_slave_info[] = { }, }; -void qnap_tsx1x_register_flash(void) +void __init qnap_tsx1x_register_flash(void) { spi_register_board_info(qnap_tsx1x_spi_slave_info, ARRAY_SIZE(qnap_tsx1x_spi_slave_info)); diff --git a/arch/arm/mach-kirkwood/tsx1x-common.h b/arch/arm/mach-kirkwood/tsx1x-common.h index 9a592962a6e..7fa037361b5 100644 --- a/arch/arm/mach-kirkwood/tsx1x-common.h +++ b/arch/arm/mach-kirkwood/tsx1x-common.h @@ -1,7 +1,7 @@ #ifndef __ARCH_KIRKWOOD_TSX1X_COMMON_H #define __ARCH_KIRKWOOD_TSX1X_COMMON_H -extern void qnap_tsx1x_register_flash(void); +extern void __init qnap_tsx1x_register_flash(void); extern void qnap_tsx1x_power_off(void); #endif diff --git a/arch/arm/mach-ns9xxx/include/mach/debug-macro.S b/arch/arm/mach-ns9xxx/include/mach/debug-macro.S index 0859336a8e6..5c934bdb715 100644 --- a/arch/arm/mach-ns9xxx/include/mach/debug-macro.S +++ b/arch/arm/mach-ns9xxx/include/mach/debug-macro.S @@ -8,6 +8,7 @@ * the Free Software Foundation. */ #include <mach/hardware.h> +#include <asm/memory.h> #include <mach/regs-board-a9m9750dev.h> diff --git a/arch/arm/mach-ns9xxx/include/mach/uncompress.h b/arch/arm/mach-ns9xxx/include/mach/uncompress.h index 1b12d324b08..770a68c46e8 100644 --- a/arch/arm/mach-ns9xxx/include/mach/uncompress.h +++ b/arch/arm/mach-ns9xxx/include/mach/uncompress.h @@ -20,50 +20,49 @@ static void putc_dummy(char c, void __iomem *base) /* nothing */ } +static int timeout; + static void putc_ns9360(char c, void __iomem *base) { - static int t = 0x10000; do { - if (t) - --t; + if (timeout) + --timeout; if (__raw_readl(base + 8) & (1 << 3)) { __raw_writeb(c, base + 16); - t = 0x10000; + timeout = 0x10000; break; } - } while (t); + } while (timeout); } static void putc_a9m9750dev(char c, void __iomem *base) { - static int t = 0x10000; do { - if (t) - --t; + if (timeout) + --timeout; if (__raw_readb(base + 5) & (1 << 5)) { __raw_writeb(c, base); - t = 0x10000; + timeout = 0x10000; break; } - } while (t); + } while (timeout); } static void putc_ns921x(char c, void __iomem *base) { - static int t = 0x10000; do { - if (t) - --t; + if (timeout) + --timeout; if (!(__raw_readl(base) & (1 << 11))) { __raw_writeb(c, base + 0x0028); - t = 0x10000; + timeout = 0x10000; break; } - } while (t); + } while (timeout); } #define MSCS __REG(0xA0900184) @@ -89,6 +88,7 @@ static void putc_ns921x(char c, void __iomem *base) static void autodetect(void (**putc)(char, void __iomem *), void __iomem **base) { + timeout = 0x10000; if (((__raw_readl(MSCS) >> 16) & 0xfe) == 0x00) { /* ns9360 or ns9750 */ if (NS9360_UART_ENABLED(NS9360_UARTA)) { diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index abdf321c2d4..03483920ed6 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -175,6 +175,10 @@ static void __init rx51_add_gpio_keys(void) #endif /* CONFIG_KEYBOARD_GPIO || CONFIG_KEYBOARD_GPIO_MODULE */ static int board_keymap[] = { + /* + * Note that KEY(x, 8, KEY_XXX) entries represent "entrire row + * connected to the ground" matrix state. + */ KEY(0, 0, KEY_Q), KEY(0, 1, KEY_O), KEY(0, 2, KEY_P), @@ -182,6 +186,7 @@ static int board_keymap[] = { KEY(0, 4, KEY_BACKSPACE), KEY(0, 6, KEY_A), KEY(0, 7, KEY_S), + KEY(1, 0, KEY_W), KEY(1, 1, KEY_D), KEY(1, 2, KEY_F), @@ -190,6 +195,7 @@ static int board_keymap[] = { KEY(1, 5, KEY_J), KEY(1, 6, KEY_K), KEY(1, 7, KEY_L), + KEY(2, 0, KEY_E), KEY(2, 1, KEY_DOT), KEY(2, 2, KEY_UP), @@ -197,6 +203,8 @@ static int board_keymap[] = { KEY(2, 5, KEY_Z), KEY(2, 6, KEY_X), KEY(2, 7, KEY_C), + KEY(2, 8, KEY_F9), + KEY(3, 0, KEY_R), KEY(3, 1, KEY_V), KEY(3, 2, KEY_B), @@ -205,20 +213,23 @@ static int board_keymap[] = { KEY(3, 5, KEY_SPACE), KEY(3, 6, KEY_SPACE), KEY(3, 7, KEY_LEFT), + KEY(4, 0, KEY_T), KEY(4, 1, KEY_DOWN), KEY(4, 2, KEY_RIGHT), KEY(4, 4, KEY_LEFTCTRL), KEY(4, 5, KEY_RIGHTALT), KEY(4, 6, KEY_LEFTSHIFT), + KEY(4, 8, KEY_F10), + KEY(5, 0, KEY_Y), + KEY(5, 8, KEY_F11), + KEY(6, 0, KEY_U), + KEY(7, 0, KEY_I), KEY(7, 1, KEY_F7), KEY(7, 2, KEY_F8), - KEY(0xff, 2, KEY_F9), - KEY(0xff, 4, KEY_F10), - KEY(0xff, 5, KEY_F11), }; static struct matrix_keymap_data board_map_data = { diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c index 45c23fd6df3..40b6ac2de87 100644 --- a/arch/arm/mach-pxa/colibri-pxa300.c +++ b/arch/arm/mach-pxa/colibri-pxa300.c @@ -26,6 +26,7 @@ #include <mach/colibri.h> #include <mach/ohci.h> #include <mach/pxafb.h> +#include <mach/audio.h> #include "generic.h" #include "devices.h" @@ -145,7 +146,7 @@ static void __init colibri_pxa300_init_lcd(void) static inline void colibri_pxa300_init_lcd(void) {} #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ -#if defined(SND_AC97_CODEC) || defined(SND_AC97_CODEC_MODULE) +#if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE) static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = { GPIO24_AC97_SYSCLK, GPIO23_AC97_nACRESET, diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index 3d1dcb9ac08..51ffa6afb67 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -446,7 +446,7 @@ static struct platform_device corgiled_device = { static struct pxamci_platform_data corgi_mci_platform_data = { .detect_delay_ms = 250, .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .gpio_card_detect = -1, + .gpio_card_detect = CORGI_GPIO_nSD_DETECT, .gpio_card_ro = CORGI_GPIO_nSD_WP, .gpio_power = CORGI_GPIO_SD_PWR, }; diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c index 9e4d9816726..268a9bc6be8 100644 --- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c +++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c @@ -256,13 +256,9 @@ static void init_sdram_rows(void) static u32 mdrefr_dri(unsigned int freq) { - u32 dri = 0; + u32 interval = freq * SDRAM_TREF / sdram_rows; - if (cpu_is_pxa25x()) - dri = ((freq * SDRAM_TREF) / (sdram_rows * 32)); - if (cpu_is_pxa27x()) - dri = ((freq * SDRAM_TREF) / (sdram_rows - 31)) / 32; - return dri; + return (interval - (cpu_is_pxa27x() ? 31 : 0)) / 32; } /* find a valid frequency point */ diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 0af36177ff0..c059dac02b6 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -41,10 +41,10 @@ void pxa27x_clear_otgph(void) EXPORT_SYMBOL(pxa27x_clear_otgph); static unsigned long ac97_reset_config[] = { - GPIO95_AC97_nRESET, - GPIO95_GPIO, - GPIO113_AC97_nRESET, GPIO113_GPIO, + GPIO113_AC97_nRESET, + GPIO95_GPIO, + GPIO95_AC97_nRESET, }; void pxa27x_assert_ac97reset(int reset_gpio, int on) diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 595be19f8ad..02e9fdeb8fa 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -237,7 +237,7 @@ static unsigned int realview_mmc_status(struct device *dev) else mask = 2; - return !(readl(REALVIEW_SYSMCI) & mask); + return readl(REALVIEW_SYSMCI) & mask; } struct mmci_platform_data realview_mmc0_plat_data = { diff --git a/arch/arm/mach-shark/include/mach/debug-macro.S b/arch/arm/mach-shark/include/mach/debug-macro.S index 50f071c5bf4..5ea24d4d1ba 100644 --- a/arch/arm/mach-shark/include/mach/debug-macro.S +++ b/arch/arm/mach-shark/include/mach/debug-macro.S @@ -20,6 +20,9 @@ strb \rd, [\rx] .endm + .macro waituart,rd,rx + .endm + .macro busyuart,rd,rx mov \rd, #0 1001: add \rd, \rd, #1 diff --git a/arch/arm/mach-ux500/include/mach/uncompress.h b/arch/arm/mach-ux500/include/mach/uncompress.h index 8552eb188b5..0271ca0a83d 100644 --- a/arch/arm/mach-ux500/include/mach/uncompress.h +++ b/arch/arm/mach-ux500/include/mach/uncompress.h @@ -30,22 +30,22 @@ static void putc(const char c) { /* Do nothing if the UART is not enabled. */ - if (!(readb(U8500_UART_CR) & 0x1)) + if (!(__raw_readb(U8500_UART_CR) & 0x1)) return; if (c == '\n') putc('\r'); - while (readb(U8500_UART_FR) & (1 << 5)) + while (__raw_readb(U8500_UART_FR) & (1 << 5)) barrier(); - writeb(c, U8500_UART_DR); + __raw_writeb(c, U8500_UART_DR); } static void flush(void) { - if (!(readb(U8500_UART_CR) & 0x1)) + if (!(__raw_readb(U8500_UART_CR) & 0x1)) return; - while (readb(U8500_UART_FR) & (1 << 3)) + while (__raw_readb(U8500_UART_FR) & (1 << 3)) barrier(); } diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index d250711b8c7..c84239761cb 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -241,7 +241,7 @@ static struct platform_device v2m_flash_device = { static unsigned int v2m_mmci_status(struct device *dev) { - return !(readl(MMIO_P2V(V2M_SYS_MCI)) & (1 << 0)); + return readl(MMIO_P2V(V2M_SYS_MCI)) & (1 << 0); } static struct mmci_platform_data v2m_mmci_data = { diff --git a/arch/arm/mach-w90x900/cpu.c b/arch/arm/mach-w90x900/cpu.c index 642207e1819..83c56324a47 100644 --- a/arch/arm/mach-w90x900/cpu.c +++ b/arch/arm/mach-w90x900/cpu.c @@ -93,7 +93,7 @@ static struct clk_lookup nuc900_clkregs[] = { DEF_CLKLOOK(&clk_kpi, "nuc900-kpi", NULL), DEF_CLKLOOK(&clk_wdt, "nuc900-wdt", NULL), DEF_CLKLOOK(&clk_gdma, "nuc900-gdma", NULL), - DEF_CLKLOOK(&clk_adc, "nuc900-adc", NULL), + DEF_CLKLOOK(&clk_adc, "nuc900-ts", NULL), DEF_CLKLOOK(&clk_usi, "nuc900-spi", NULL), DEF_CLKLOOK(&clk_ext, NULL, "ext"), DEF_CLKLOOK(&clk_timer0, NULL, "timer0"), diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index df4955885b2..9982eb385c0 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -32,14 +32,14 @@ static uint32_t l2x0_way_mask; /* Bitmask of active ways */ static inline void cache_wait(void __iomem *reg, unsigned long mask) { /* wait for the operation to complete */ - while (readl(reg) & mask) + while (readl_relaxed(reg) & mask) ; } static inline void cache_sync(void) { void __iomem *base = l2x0_base; - writel(0, base + L2X0_CACHE_SYNC); + writel_relaxed(0, base + L2X0_CACHE_SYNC); cache_wait(base + L2X0_CACHE_SYNC, 1); } @@ -47,14 +47,14 @@ static inline void l2x0_clean_line(unsigned long addr) { void __iomem *base = l2x0_base; cache_wait(base + L2X0_CLEAN_LINE_PA, 1); - writel(addr, base + L2X0_CLEAN_LINE_PA); + writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA); } static inline void l2x0_inv_line(unsigned long addr) { void __iomem *base = l2x0_base; cache_wait(base + L2X0_INV_LINE_PA, 1); - writel(addr, base + L2X0_INV_LINE_PA); + writel_relaxed(addr, base + L2X0_INV_LINE_PA); } #ifdef CONFIG_PL310_ERRATA_588369 @@ -75,9 +75,9 @@ static inline void l2x0_flush_line(unsigned long addr) /* Clean by PA followed by Invalidate by PA */ cache_wait(base + L2X0_CLEAN_LINE_PA, 1); - writel(addr, base + L2X0_CLEAN_LINE_PA); + writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA); cache_wait(base + L2X0_INV_LINE_PA, 1); - writel(addr, base + L2X0_INV_LINE_PA); + writel_relaxed(addr, base + L2X0_INV_LINE_PA); } #else @@ -90,7 +90,7 @@ static inline void l2x0_flush_line(unsigned long addr) { void __iomem *base = l2x0_base; cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); - writel(addr, base + L2X0_CLEAN_INV_LINE_PA); + writel_relaxed(addr, base + L2X0_CLEAN_INV_LINE_PA); } #endif @@ -109,7 +109,7 @@ static inline void l2x0_inv_all(void) /* invalidate all ways */ spin_lock_irqsave(&l2x0_lock, flags); - writel(l2x0_way_mask, l2x0_base + L2X0_INV_WAY); + writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY); cache_wait(l2x0_base + L2X0_INV_WAY, l2x0_way_mask); cache_sync(); spin_unlock_irqrestore(&l2x0_lock, flags); @@ -215,8 +215,8 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) l2x0_base = base; - cache_id = readl(l2x0_base + L2X0_CACHE_ID); - aux = readl(l2x0_base + L2X0_AUX_CTRL); + cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID); + aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); aux &= aux_mask; aux |= aux_val; @@ -248,15 +248,15 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) * If you are booting from non-secure mode * accessing the below registers will fault. */ - if (!(readl(l2x0_base + L2X0_CTRL) & 1)) { + if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & 1)) { /* l2x0 controller is disabled */ - writel(aux, l2x0_base + L2X0_AUX_CTRL); + writel_relaxed(aux, l2x0_base + L2X0_AUX_CTRL); l2x0_inv_all(); /* enable L2X0 */ - writel(1, l2x0_base + L2X0_CTRL); + writel_relaxed(1, l2x0_base + L2X0_CTRL); } outer_cache.inv_range = l2x0_inv_range; diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c index 086816b205b..6ab244062b4 100644 --- a/arch/arm/mm/highmem.c +++ b/arch/arm/mm/highmem.c @@ -163,19 +163,22 @@ static DEFINE_PER_CPU(int, kmap_high_l1_vipt_depth); void *kmap_high_l1_vipt(struct page *page, pte_t *saved_pte) { - unsigned int idx, cpu = smp_processor_id(); - int *depth = &per_cpu(kmap_high_l1_vipt_depth, cpu); + unsigned int idx, cpu; + int *depth; unsigned long vaddr, flags; pte_t pte, *ptep; + if (!in_interrupt()) + preempt_disable(); + + cpu = smp_processor_id(); + depth = &per_cpu(kmap_high_l1_vipt_depth, cpu); + idx = KM_L1_CACHE + KM_TYPE_NR * cpu; vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); ptep = TOP_PTE(vaddr); pte = mk_pte(page, kmap_prot); - if (!in_interrupt()) - preempt_disable(); - raw_local_irq_save(flags); (*depth)++; if (pte_val(*ptep) == pte_val(pte)) { diff --git a/arch/arm/plat-spear/include/plat/debug-macro.S b/arch/arm/plat-spear/include/plat/debug-macro.S index 1670734b7e5..37fa593884e 100644 --- a/arch/arm/plat-spear/include/plat/debug-macro.S +++ b/arch/arm/plat-spear/include/plat/debug-macro.S @@ -17,8 +17,8 @@ .macro addruart, rx mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? - moveq \rx, =SPEAR_DBG_UART_BASE @ Physical base - movne \rx, =VA_SPEAR_DBG_UART_BASE @ Virtual base + moveq \rx, #SPEAR_DBG_UART_BASE @ Physical base + movne \rx, #VA_SPEAR_DBG_UART_BASE @ Virtual base .endm .macro senduart, rd, rx diff --git a/arch/avr32/include/asm/ioctls.h b/arch/avr32/include/asm/ioctls.h index 0cf2c0a4502..e6ac0b66107 100644 --- a/arch/avr32/include/asm/ioctls.h +++ b/arch/avr32/include/asm/ioctls.h @@ -54,6 +54,9 @@ #define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TIOCGRS485 0x542E +#define TIOCSRS485 0x542F + #define FIONCLEX 0x5450 #define FIOCLEX 0x5451 #define FIOASYNC 0x5452 diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h index c7f25bb1d06..61740201b31 100644 --- a/arch/avr32/mach-at32ap/include/mach/board.h +++ b/arch/avr32/mach-at32ap/include/mach/board.h @@ -5,6 +5,7 @@ #define __ASM_ARCH_BOARD_H #include <linux/types.h> +#include <linux/serial.h> #define GPIO_PIN_NONE (-1) @@ -35,6 +36,7 @@ struct atmel_uart_data { short use_dma_tx; /* use transmit DMA? */ short use_dma_rx; /* use receive DMA? */ void __iomem *regs; /* virtual base address, if any */ + struct serial_rs485 rs485; /* rs485 settings */ }; void at32_map_usart(unsigned int hw_id, unsigned int line, int flags); struct platform_device *at32_add_device_usart(unsigned int id); diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c index 2580e77624d..f9e5622ebc9 100644 --- a/arch/mips/alchemy/common/platform.c +++ b/arch/mips/alchemy/common/platform.c @@ -435,20 +435,21 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = { static int __init au1xxx_platform_init(void) { unsigned int uartclk = get_au1x00_uart_baud_base() * 16; - int i; + int err, i; /* Fill up uartclk. */ for (i = 0; au1x00_uart_data[i].flags; i++) au1x00_uart_data[i].uartclk = uartclk; + err = platform_add_devices(au1xxx_platform_devices, + ARRAY_SIZE(au1xxx_platform_devices)); #ifndef CONFIG_SOC_AU1100 /* Register second MAC if enabled in pinfunc */ - if (!(au_readl(SYS_PINFUNC) & (u32)SYS_PF_NI2)) + if (!err && !(au_readl(SYS_PINFUNC) & (u32)SYS_PF_NI2)) platform_device_register(&au1xxx_eth1_device); #endif - return platform_add_devices(au1xxx_platform_devices, - ARRAY_SIZE(au1xxx_platform_devices)); + return err; } arch_initcall(au1xxx_platform_init); diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c index a9f0336e1f1..52d883d37dd 100644 --- a/arch/mips/alchemy/mtx-1/board_setup.c +++ b/arch/mips/alchemy/mtx-1/board_setup.c @@ -67,8 +67,6 @@ static void mtx1_power_off(void) void __init board_setup(void) { - alchemy_gpio2_enable(); - #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) /* Enable USB power switch */ alchemy_gpio_direction_output(204, 0); @@ -117,11 +115,11 @@ mtx1_pci_idsel(unsigned int devsel, int assert) if (assert && devsel != 0) /* Suppress signal to Cardbus */ - gpio_set_value(1, 0); /* set EXT_IO3 OFF */ + alchemy_gpio_set_value(1, 0); /* set EXT_IO3 OFF */ else - gpio_set_value(1, 1); /* set EXT_IO3 ON */ + alchemy_gpio_set_value(1, 1); /* set EXT_IO3 ON */ - au_sync_udelay(1); + udelay(1); return 1; } diff --git a/arch/mips/bcm63xx/dev-enet.c b/arch/mips/bcm63xx/dev-enet.c index 9f544badd0b..39c23366c5c 100644 --- a/arch/mips/bcm63xx/dev-enet.c +++ b/arch/mips/bcm63xx/dev-enet.c @@ -104,6 +104,9 @@ int __init bcm63xx_enet_register(int unit, if (unit > 1) return -ENODEV; + if (unit == 1 && BCMCPU_IS_6338()) + return -ENODEV; + if (!shared_device_registered) { shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA); shared_res[0].end = shared_res[0].start; diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h index 59dc0c7ef73..c63c56bfd18 100644 --- a/arch/mips/include/asm/atomic.h +++ b/arch/mips/include/asm/atomic.h @@ -434,7 +434,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v) __asm__ __volatile__( " .set mips3 \n" "1: lld %0, %1 # atomic64_add \n" - " addu %0, %2 \n" + " daddu %0, %2 \n" " scd %0, %1 \n" " beqzl %0, 1b \n" " .set mips0 \n" @@ -446,7 +446,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v) __asm__ __volatile__( " .set mips3 \n" "1: lld %0, %1 # atomic64_add \n" - " addu %0, %2 \n" + " daddu %0, %2 \n" " scd %0, %1 \n" " beqz %0, 2f \n" " .subsection 2 \n" @@ -479,7 +479,7 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v) __asm__ __volatile__( " .set mips3 \n" "1: lld %0, %1 # atomic64_sub \n" - " subu %0, %2 \n" + " dsubu %0, %2 \n" " scd %0, %1 \n" " beqzl %0, 1b \n" " .set mips0 \n" @@ -491,7 +491,7 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v) __asm__ __volatile__( " .set mips3 \n" "1: lld %0, %1 # atomic64_sub \n" - " subu %0, %2 \n" + " dsubu %0, %2 \n" " scd %0, %1 \n" " beqz %0, 2f \n" " .subsection 2 \n" @@ -524,10 +524,10 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v) __asm__ __volatile__( " .set mips3 \n" "1: lld %1, %2 # atomic64_add_return \n" - " addu %0, %1, %3 \n" + " daddu %0, %1, %3 \n" " scd %0, %2 \n" " beqzl %0, 1b \n" - " addu %0, %1, %3 \n" + " daddu %0, %1, %3 \n" " .set mips0 \n" : "=&r" (result), "=&r" (temp), "=m" (v->counter) : "Ir" (i), "m" (v->counter) @@ -538,10 +538,10 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v) __asm__ __volatile__( " .set mips3 \n" "1: lld %1, %2 # atomic64_add_return \n" - " addu %0, %1, %3 \n" + " daddu %0, %1, %3 \n" " scd %0, %2 \n" " beqz %0, 2f \n" - " addu %0, %1, %3 \n" + " daddu %0, %1, %3 \n" " .subsection 2 \n" "2: b 1b \n" " .previous \n" @@ -576,10 +576,10 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v) __asm__ __volatile__( " .set mips3 \n" "1: lld %1, %2 # atomic64_sub_return \n" - " subu %0, %1, %3 \n" + " dsubu %0, %1, %3 \n" " scd %0, %2 \n" " beqzl %0, 1b \n" - " subu %0, %1, %3 \n" + " dsubu %0, %1, %3 \n" " .set mips0 \n" : "=&r" (result), "=&r" (temp), "=m" (v->counter) : "Ir" (i), "m" (v->counter) @@ -590,10 +590,10 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v) __asm__ __volatile__( " .set mips3 \n" "1: lld %1, %2 # atomic64_sub_return \n" - " subu %0, %1, %3 \n" + " dsubu %0, %1, %3 \n" " scd %0, %2 \n" " beqz %0, 2f \n" - " subu %0, %1, %3 \n" + " dsubu %0, %1, %3 \n" " .subsection 2 \n" "2: b 1b \n" " .previous \n" diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index 1b5a6648eb8..baa318a59c9 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -984,16 +984,17 @@ #define __NR_perf_event_open (__NR_Linux + 296) #define __NR_accept4 (__NR_Linux + 297) #define __NR_recvmmsg (__NR_Linux + 298) +#define __NR_getdents64 (__NR_Linux + 299) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 298 +#define __NR_Linux_syscalls 299 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 298 +#define __NR_N32_Linux_syscalls 299 #ifdef __KERNEL__ diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index a5297e2a353..a4faceea9d8 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -419,4 +419,5 @@ EXPORT(sysn32_call_table) PTR sys_perf_event_open PTR sys_accept4 PTR compat_sys_recvmmsg + PTR sys_getdents .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c index b773c1112b1..e5cdfd603f8 100644 --- a/arch/mips/kernel/vdso.c +++ b/arch/mips/kernel/vdso.c @@ -61,11 +61,9 @@ static int __init init_vdso(void) vunmap(vdso); - pr_notice("init_vdso successfull\n"); - return 0; } -device_initcall(init_vdso); +subsys_initcall(init_vdso); static unsigned long vdso_addr(unsigned long start) { diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c index 2fbfa1a8c3a..bf80921f2f5 100644 --- a/arch/mips/mti-malta/malta-pci.c +++ b/arch/mips/mti-malta/malta-pci.c @@ -247,6 +247,8 @@ void __init mips_pcibios_init(void) iomem_resource.end &= 0xfffffffffULL; /* 64 GB */ ioport_resource.end = controller->io_resource->end; + controller->io_map_base = mips_io_port_base; + register_pci_controller(controller); } diff --git a/arch/mips/nxp/pnx8550/common/pci.c b/arch/mips/nxp/pnx8550/common/pci.c index eee4f3dfc41..98e86ddb86c 100644 --- a/arch/mips/nxp/pnx8550/common/pci.c +++ b/arch/mips/nxp/pnx8550/common/pci.c @@ -44,6 +44,7 @@ extern struct pci_ops pnx8550_pci_ops; static struct pci_controller pnx8550_controller = { .pci_ops = &pnx8550_pci_ops, + .io_map_base = PNX8550_PORT_BASE, .io_resource = &pci_io_resource, .mem_resource = &pci_mem_resource, }; diff --git a/arch/mips/nxp/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c index 2aed50fef10..64246c9c875 100644 --- a/arch/mips/nxp/pnx8550/common/setup.c +++ b/arch/mips/nxp/pnx8550/common/setup.c @@ -113,7 +113,7 @@ void __init plat_mem_setup(void) PNX8550_GLB2_ENAB_INTA_O = 0; /* IO/MEM resources. */ - set_io_port_base(KSEG1); + set_io_port_base(PNX8550_PORT_BASE); ioport_resource.start = 0; ioport_resource.end = ~0; iomem_resource.start = 0; diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c index 04b31478a6d..b7c03d80c88 100644 --- a/arch/mips/pci/ops-pmcmsp.c +++ b/arch/mips/pci/ops-pmcmsp.c @@ -944,6 +944,7 @@ static struct pci_controller msp_pci_controller = { .pci_ops = &msp_pci_ops, .mem_resource = &pci_mem_resource, .mem_offset = 0, + .io_map_base = MSP_PCI_IOSPACE_BASE, .io_resource = &pci_io_resource, .io_offset = 0 }; diff --git a/arch/mips/pci/pci-yosemite.c b/arch/mips/pci/pci-yosemite.c index 0357946f30e..cf5e1a25cb7 100644 --- a/arch/mips/pci/pci-yosemite.c +++ b/arch/mips/pci/pci-yosemite.c @@ -54,6 +54,7 @@ static int __init pmc_yosemite_setup(void) panic(ioremap_failed); set_io_port_base(io_v_base); + py_controller.io_map_base = io_v_base; TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1); ioport_resource.end = TITAN_IO_SIZE - 1; diff --git a/arch/mips/powertv/asic/asic_devices.c b/arch/mips/powertv/asic/asic_devices.c index 8ee77887306..9ec523e4dd0 100644 --- a/arch/mips/powertv/asic/asic_devices.c +++ b/arch/mips/powertv/asic/asic_devices.c @@ -472,6 +472,9 @@ void __init configure_platform(void) * it*/ platform_features = FFS_CAPABLE | DISPLAY_CAPABLE; + /* Cronus and Cronus Lite have the same register map */ + set_register_map(CRONUS_IO_BASE, &cronus_register_map); + /* ASIC version will determine if this is a real CronusLite or * Castrati(Cronus) */ chipversion = asic_read(chipver3) << 24; @@ -484,8 +487,6 @@ void __init configure_platform(void) else asic = ASIC_CRONUSLITE; - /* Cronus and Cronus Lite have the same register map */ - set_register_map(CRONUS_IO_BASE, &cronus_register_map); gp_resources = non_dvr_cronuslite_resources; pr_info("Platform: 4600 - %s, NON_DVR_CAPABLE, " "chipversion=0x%08X\n", diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index 2a9cd74a841..076327f2eff 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -8,9 +8,9 @@ * On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory * and therefore we can only deal with memory within this range */ -#define KEXEC_SOURCE_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) -#define KEXEC_DESTINATION_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) -#define KEXEC_CONTROL_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) +#define KEXEC_SOURCE_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1) +#define KEXEC_DESTINATION_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1) +#define KEXEC_CONTROL_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1) #else diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index 2102b214a87..0e398cfee2c 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -250,7 +250,9 @@ extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap) int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, pte_t *ptep, unsigned long trap, int local, int ssize, unsigned int shift, unsigned int mmu_psize); - +extern void hash_failure_debug(unsigned long ea, unsigned long access, + unsigned long vsid, unsigned long trap, + int ssize, int psize, unsigned long pte); extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend, unsigned long pstart, unsigned long prot, int psize, int ssize); diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c index 369872f6cf7..babcceecd2e 100644 --- a/arch/powerpc/kernel/perf_event_fsl_emb.c +++ b/arch/powerpc/kernel/perf_event_fsl_emb.c @@ -566,9 +566,9 @@ static void record_and_restart(struct perf_event *event, unsigned long val, * Finally record data if requested. */ if (record) { - struct perf_sample_data data = { - .period = event->hw.last_period, - }; + struct perf_sample_data data; + + perf_sample_data_init(&data, 0); if (perf_event_overflow(event, nmi, &data, regs)) { /* diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 9d3953983fb..fed9bf6187d 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -414,7 +414,7 @@ static int __init early_init_dt_scan_drconf_memory(unsigned long node) u64 base, size, memblock_size; unsigned int is_kexec_kdump = 0, rngs; - ls = of_get_flat_dt_prop(node, "ibm,memblock-size", &l); + ls = of_get_flat_dt_prop(node, "ibm,lmb-size", &l); if (ls == NULL || l < dt_root_size_cells * sizeof(__be32)) return 0; memblock_size = dt_mem_next_cell(dt_root_size_cells, &ls); diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S index a719f53921a..3079f6b44cf 100644 --- a/arch/powerpc/mm/hash_low_64.S +++ b/arch/powerpc/mm/hash_low_64.S @@ -68,9 +68,6 @@ _GLOBAL(__hash_page_4K) std r8,STK_PARM(r8)(r1) std r9,STK_PARM(r9)(r1) - /* Add _PAGE_PRESENT to access */ - ori r4,r4,_PAGE_PRESENT - /* Save non-volatile registers. * r31 will hold "old PTE" * r30 is "new PTE" @@ -347,9 +344,6 @@ _GLOBAL(__hash_page_4K) std r8,STK_PARM(r8)(r1) std r9,STK_PARM(r9)(r1) - /* Add _PAGE_PRESENT to access */ - ori r4,r4,_PAGE_PRESENT - /* Save non-volatile registers. * r31 will hold "old PTE" * r30 is "new PTE" @@ -687,9 +681,6 @@ _GLOBAL(__hash_page_64K) std r8,STK_PARM(r8)(r1) std r9,STK_PARM(r9)(r1) - /* Add _PAGE_PRESENT to access */ - ori r4,r4,_PAGE_PRESENT - /* Save non-volatile registers. * r31 will hold "old PTE" * r30 is "new PTE" diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 98f262de558..09dffe6efa4 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -871,6 +871,18 @@ static inline int subpage_protection(struct mm_struct *mm, unsigned long ea) } #endif +void hash_failure_debug(unsigned long ea, unsigned long access, + unsigned long vsid, unsigned long trap, + int ssize, int psize, unsigned long pte) +{ + if (!printk_ratelimit()) + return; + pr_info("mm: Hashing failure ! EA=0x%lx access=0x%lx current=%s\n", + ea, access, current->comm); + pr_info(" trap=0x%lx vsid=0x%lx ssize=%d psize=%d pte=0x%lx\n", + trap, vsid, ssize, psize, pte); +} + /* Result code is: * 0 - handled * 1 - normal page fault @@ -955,6 +967,17 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) return 1; } + /* Add _PAGE_PRESENT to the required access perm */ + access |= _PAGE_PRESENT; + + /* Pre-check access permissions (will be re-checked atomically + * in __hash_page_XX but this pre-check is a fast path + */ + if (access & ~pte_val(*ptep)) { + DBG_LOW(" no access !\n"); + return 1; + } + #ifdef CONFIG_HUGETLB_PAGE if (hugeshift) return __hash_page_huge(ea, access, vsid, ptep, trap, local, @@ -967,14 +990,6 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) DBG_LOW(" i-pte: %016lx %016lx\n", pte_val(*ptep), pte_val(*(ptep + PTRS_PER_PTE))); #endif - /* Pre-check access permissions (will be re-checked atomically - * in __hash_page_XX but this pre-check is a fast path - */ - if (access & ~pte_val(*ptep)) { - DBG_LOW(" no access !\n"); - return 1; - } - /* Do actual hashing */ #ifdef CONFIG_PPC_64K_PAGES /* If _PAGE_4K_PFN is set, make sure this is a 4k segment */ @@ -1033,6 +1048,12 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) local, ssize, spp); } + /* Dump some info in case of hash insertion failure, they should + * never happen so it is really useful to know if/when they do + */ + if (rc == -1) + hash_failure_debug(ea, access, vsid, trap, ssize, psize, + pte_val(*ptep)); #ifndef CONFIG_PPC_64K_PAGES DBG_LOW(" o-pte: %016lx\n", pte_val(*ptep)); #else @@ -1051,8 +1072,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, void *pgdir; pte_t *ptep; unsigned long flags; - int local = 0; - int ssize; + int rc, ssize, local = 0; BUG_ON(REGION_ID(ea) != USER_REGION_ID); @@ -1098,11 +1118,18 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, /* Hash it in */ #ifdef CONFIG_PPC_HAS_HASH_64K if (mm->context.user_psize == MMU_PAGE_64K) - __hash_page_64K(ea, access, vsid, ptep, trap, local, ssize); + rc = __hash_page_64K(ea, access, vsid, ptep, trap, local, ssize); else #endif /* CONFIG_PPC_HAS_HASH_64K */ - __hash_page_4K(ea, access, vsid, ptep, trap, local, ssize, - subpage_protection(pgdir, ea)); + rc = __hash_page_4K(ea, access, vsid, ptep, trap, local, ssize, + subpage_protection(pgdir, ea)); + + /* Dump some info in case of hash insertion failure, they should + * never happen so it is really useful to know if/when they do + */ + if (rc == -1) + hash_failure_debug(ea, access, vsid, trap, ssize, + mm->context.user_psize, pte_val(*ptep)); local_irq_restore(flags); } diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c index 199539882f9..cc5c273086c 100644 --- a/arch/powerpc/mm/hugetlbpage-hash64.c +++ b/arch/powerpc/mm/hugetlbpage-hash64.c @@ -21,21 +21,13 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, unsigned long old_pte, new_pte; unsigned long va, rflags, pa, sz; long slot; - int err = 1; BUG_ON(shift != mmu_psize_defs[mmu_psize].shift); /* Search the Linux page table for a match with va */ va = hpt_va(ea, vsid, ssize); - /* - * Check the user's access rights to the page. If access should be - * prevented then send the problem up to do_page_fault. - */ - if (unlikely(access & ~pte_val(*ptep))) - goto out; - /* - * At this point, we have a pte (old_pte) which can be used to build + /* At this point, we have a pte (old_pte) which can be used to build * or update an HPTE. There are 2 cases: * * 1. There is a valid (present) pte with no associated HPTE (this is @@ -49,9 +41,17 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, do { old_pte = pte_val(*ptep); - if (old_pte & _PAGE_BUSY) - goto out; + /* If PTE busy, retry the access */ + if (unlikely(old_pte & _PAGE_BUSY)) + return 0; + /* If PTE permissions don't match, take page fault */ + if (unlikely(access & ~old_pte)) + return 1; + /* Try to lock the PTE, add ACCESSED and DIRTY if it was + * a write access */ new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED; + if (access & _PAGE_RW) + new_pte |= _PAGE_DIRTY; } while(old_pte != __cmpxchg_u64((unsigned long *)ptep, old_pte, new_pte)); @@ -121,8 +121,16 @@ repeat: } } - if (unlikely(slot == -2)) - panic("hash_huge_page: pte_insert failed\n"); + /* + * Hypervisor failure. Restore old pte and return -1 + * similar to __hash_page_* + */ + if (unlikely(slot == -2)) { + *ptep = __pte(old_pte); + hash_failure_debug(ea, access, vsid, trap, ssize, + mmu_psize, old_pte); + return -1; + } new_pte |= (slot << 12) & (_PAGE_F_SECOND | _PAGE_F_GIX); } @@ -131,9 +139,5 @@ repeat: * No need to use ldarx/stdcx here */ *ptep = __pte(new_pte & ~_PAGE_BUSY); - - err = 0; - - out: - return err; + return 0; } diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index f47364585ec..aa731af720c 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -398,15 +398,15 @@ static int of_get_drconf_memory(struct device_node *memory, const u32 **dm) } /* - * Retreive and validate the ibm,memblock-size property for drconf memory + * Retreive and validate the ibm,lmb-size property for drconf memory * from the device tree. */ -static u64 of_get_memblock_size(struct device_node *memory) +static u64 of_get_lmb_size(struct device_node *memory) { const u32 *prop; u32 len; - prop = of_get_property(memory, "ibm,memblock-size", &len); + prop = of_get_property(memory, "ibm,lmb-size", &len); if (!prop || len < sizeof(unsigned int)) return 0; @@ -562,7 +562,7 @@ static unsigned long __init numa_enforce_memory_limit(unsigned long start, static inline int __init read_usm_ranges(const u32 **usm) { /* - * For each memblock in ibm,dynamic-memory a corresponding + * For each lmb in ibm,dynamic-memory a corresponding * entry in linux,drconf-usable-memory property contains * a counter followed by that many (base, size) duple. * read the counter from linux,drconf-usable-memory @@ -578,7 +578,7 @@ static void __init parse_drconf_memory(struct device_node *memory) { const u32 *dm, *usm; unsigned int n, rc, ranges, is_kexec_kdump = 0; - unsigned long memblock_size, base, size, sz; + unsigned long lmb_size, base, size, sz; int nid; struct assoc_arrays aa; @@ -586,8 +586,8 @@ static void __init parse_drconf_memory(struct device_node *memory) if (!n) return; - memblock_size = of_get_memblock_size(memory); - if (!memblock_size) + lmb_size = of_get_lmb_size(memory); + if (!lmb_size) return; rc = of_get_assoc_arrays(memory, &aa); @@ -611,7 +611,7 @@ static void __init parse_drconf_memory(struct device_node *memory) continue; base = drmem.base_addr; - size = memblock_size; + size = lmb_size; ranges = 1; if (is_kexec_kdump) { @@ -1072,7 +1072,7 @@ static int hot_add_drconf_scn_to_nid(struct device_node *memory, { const u32 *dm; unsigned int drconf_cell_cnt, rc; - unsigned long memblock_size; + unsigned long lmb_size; struct assoc_arrays aa; int nid = -1; @@ -1080,8 +1080,8 @@ static int hot_add_drconf_scn_to_nid(struct device_node *memory, if (!drconf_cell_cnt) return -1; - memblock_size = of_get_memblock_size(memory); - if (!memblock_size) + lmb_size = of_get_lmb_size(memory); + if (!lmb_size) return -1; rc = of_get_assoc_arrays(memory, &aa); @@ -1100,7 +1100,7 @@ static int hot_add_drconf_scn_to_nid(struct device_node *memory, continue; if ((scn_addr < drmem.base_addr) - || (scn_addr >= (drmem.base_addr + memblock_size))) + || (scn_addr >= (drmem.base_addr + lmb_size))) continue; nid = of_drconf_to_nid_single(&drmem, &aa); diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index deab5f94609..bc880366414 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -69,7 +69,7 @@ static int pseries_remove_memory(struct device_node *np) const char *type; const unsigned int *regs; unsigned long base; - unsigned int memblock_size; + unsigned int lmb_size; int ret = -EINVAL; /* @@ -87,9 +87,9 @@ static int pseries_remove_memory(struct device_node *np) return ret; base = *(unsigned long *)regs; - memblock_size = regs[3]; + lmb_size = regs[3]; - ret = pseries_remove_memblock(base, memblock_size); + ret = pseries_remove_memblock(base, lmb_size); return ret; } @@ -98,7 +98,7 @@ static int pseries_add_memory(struct device_node *np) const char *type; const unsigned int *regs; unsigned long base; - unsigned int memblock_size; + unsigned int lmb_size; int ret = -EINVAL; /* @@ -116,36 +116,36 @@ static int pseries_add_memory(struct device_node *np) return ret; base = *(unsigned long *)regs; - memblock_size = regs[3]; + lmb_size = regs[3]; /* * Update memory region to represent the memory add */ - ret = memblock_add(base, memblock_size); + ret = memblock_add(base, lmb_size); return (ret < 0) ? -EINVAL : 0; } static int pseries_drconf_memory(unsigned long *base, unsigned int action) { struct device_node *np; - const unsigned long *memblock_size; + const unsigned long *lmb_size; int rc; np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory"); if (!np) return -EINVAL; - memblock_size = of_get_property(np, "ibm,memblock-size", NULL); - if (!memblock_size) { + lmb_size = of_get_property(np, "ibm,lmb-size", NULL); + if (!lmb_size) { of_node_put(np); return -EINVAL; } if (action == PSERIES_DRCONF_MEM_ADD) { - rc = memblock_add(*base, *memblock_size); + rc = memblock_add(*base, *lmb_size); rc = (rc < 0) ? -EINVAL : 0; } else if (action == PSERIES_DRCONF_MEM_REMOVE) { - rc = pseries_remove_memblock(*base, *memblock_size); + rc = pseries_remove_memblock(*base, *lmb_size); } else { rc = -EINVAL; } diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index d5e3e600744..bea9ee37ac9 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -535,8 +535,16 @@ pgm_no_vtime2: l %r3,__LC_PGM_ILC # load program interruption code la %r8,0x7f nr %r8,%r3 # clear per-event-bit and ilc - be BASED(pgm_exit) # only per or per+check ? - b BASED(pgm_do_call) + be BASED(pgm_exit2) # only per or per+check ? + l %r7,BASED(.Ljump_table) + sll %r8,2 + l %r7,0(%r8,%r7) # load address of handler routine + la %r2,SP_PTREGS(%r15) # address of register-save area + basr %r14,%r7 # branch to interrupt-handler +pgm_exit2: + TRACE_IRQS_ON + stosm __SF_EMPTY(%r15),0x03 # reenable interrupts + b BASED(sysc_return) # # it was a single stepped SVC that is causing all the trouble diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index e7192e1cb67..8bccec15ea9 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -544,8 +544,16 @@ pgm_no_vtime2: lgf %r3,__LC_PGM_ILC # load program interruption code lghi %r8,0x7f ngr %r8,%r3 # clear per-event-bit and ilc - je pgm_exit - j pgm_do_call + je pgm_exit2 + sll %r8,3 + larl %r1,pgm_check_table + lg %r1,0(%r8,%r1) # load address of handler routine + la %r2,SP_PTREGS(%r15) # address of register-save area + basr %r14,%r1 # branch to interrupt-handler +pgm_exit2: + TRACE_IRQS_ON + stosm __SF_EMPTY(%r15),0x03 # reenable interrupts + j sysc_return # # it was a single stepped SVC that is causing all the trouble diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index a2163c95eb9..15a7536452d 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -524,8 +524,11 @@ void etr_switch_to_local(void) if (!etr_eacr.sl) return; disable_sync_clock(NULL); - set_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events); - queue_work(time_sync_wq, &etr_work); + if (!test_and_set_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events)) { + etr_eacr.es = etr_eacr.sl = 0; + etr_setr(&etr_eacr); + queue_work(time_sync_wq, &etr_work); + } } /* @@ -539,8 +542,11 @@ void etr_sync_check(void) if (!etr_eacr.es) return; disable_sync_clock(NULL); - set_bit(ETR_EVENT_SYNC_CHECK, &etr_events); - queue_work(time_sync_wq, &etr_work); + if (!test_and_set_bit(ETR_EVENT_SYNC_CHECK, &etr_events)) { + etr_eacr.es = 0; + etr_setr(&etr_eacr); + queue_work(time_sync_wq, &etr_work); + } } /* @@ -902,7 +908,7 @@ static struct etr_eacr etr_handle_update(struct etr_aib *aib, * Do not try to get the alternate port aib if the clock * is not in sync yet. */ - if (!check_sync_clock()) + if (!eacr.es || !check_sync_clock()) return eacr; /* @@ -1064,7 +1070,7 @@ static void etr_work_fn(struct work_struct *work) * If the clock is in sync just update the eacr and return. * If there is no valid sync port wait for a port update. */ - if (check_sync_clock() || sync_port < 0) { + if ((eacr.es && check_sync_clock()) || sync_port < 0) { etr_update_eacr(eacr); etr_set_tolec_timeout(now); goto out_unlock; diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c index 2e837f5080f..fb7a5f052e2 100644 --- a/arch/x86/kernel/acpi/cstate.c +++ b/arch/x86/kernel/acpi/cstate.c @@ -145,6 +145,15 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu, percpu_entry->states[cx->index].eax = cx->address; percpu_entry->states[cx->index].ecx = MWAIT_ECX_INTERRUPT_BREAK; } + + /* + * For _CST FFH on Intel, if GAS.access_size bit 1 is cleared, + * then we should skip checking BM_STS for this C-state. + * ref: "Intel Processor Vendor-Specific ACPI Interface Specification" + */ + if ((c->x86_vendor == X86_VENDOR_INTEL) && !(reg->access_size & 0x2)) + cx->bm_sts_skip = 1; + return retval; } EXPORT_SYMBOL_GPL(acpi_processor_ffh_cstate_probe); diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index 82e508677b9..fcc3c61fdec 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -157,9 +157,14 @@ static int __init acpi_sleep_setup(char *str) #ifdef CONFIG_HIBERNATION if (strncmp(str, "s4_nohwsig", 10) == 0) acpi_no_s4_hw_signature(); - if (strncmp(str, "s4_nonvs", 8) == 0) - acpi_s4_no_nvs(); + if (strncmp(str, "s4_nonvs", 8) == 0) { + pr_warning("ACPI: acpi_sleep=s4_nonvs is deprecated, " + "please use acpi_sleep=nonvs instead"); + acpi_nvs_nosave(); + } #endif + if (strncmp(str, "nonvs", 5) == 0) + acpi_nvs_nosave(); if (strncmp(str, "old_ordering", 12) == 0) acpi_old_suspend_ordering(); str = strchr(str, ','); diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c index ce7cde713e7..a36de5bbb62 100644 --- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c @@ -368,22 +368,16 @@ static int __init pcc_cpufreq_do_osc(acpi_handle *handle) return -ENODEV; out_obj = output.pointer; - if (out_obj->type != ACPI_TYPE_BUFFER) { - ret = -ENODEV; - goto out_free; - } + if (out_obj->type != ACPI_TYPE_BUFFER) + return -ENODEV; errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0); - if (errors) { - ret = -ENODEV; - goto out_free; - } + if (errors) + return -ENODEV; supported = *((u32 *)(out_obj->buffer.pointer + 4)); - if (!(supported & 0x1)) { - ret = -ENODEV; - goto out_free; - } + if (!(supported & 0x1)) + return -ENODEV; out_free: kfree(output.pointer); @@ -397,13 +391,17 @@ static int __init pcc_cpufreq_probe(void) struct pcc_memory_resource *mem_resource; struct pcc_register_resource *reg_resource; union acpi_object *out_obj, *member; - acpi_handle handle, osc_handle; + acpi_handle handle, osc_handle, pcch_handle; int ret = 0; status = acpi_get_handle(NULL, "\\_SB", &handle); if (ACPI_FAILURE(status)) return -ENODEV; + status = acpi_get_handle(handle, "PCCH", &pcch_handle); + if (ACPI_FAILURE(status)) + return -ENODEV; + status = acpi_get_handle(handle, "_OSC", &osc_handle); if (ACPI_SUCCESS(status)) { ret = pcc_cpufreq_do_osc(&osc_handle); @@ -543,13 +541,13 @@ static int pcc_cpufreq_cpu_init(struct cpufreq_policy *policy) if (!pcch_virt_addr) { result = -1; - goto pcch_null; + goto out; } result = pcc_get_offset(cpu); if (result) { dprintk("init: PCCP evaluation failed\n"); - goto free; + goto out; } policy->max = policy->cpuinfo.max_freq = @@ -558,14 +556,15 @@ static int pcc_cpufreq_cpu_init(struct cpufreq_policy *policy) ioread32(&pcch_hdr->minimum_frequency) * 1000; policy->cur = pcc_get_freq(cpu); + if (!policy->cur) { + dprintk("init: Unable to get current CPU frequency\n"); + result = -EINVAL; + goto out; + } + dprintk("init: policy->max is %d, policy->min is %d\n", policy->max, policy->min); - - return 0; -free: - pcc_clear_mapping(); - free_percpu(pcc_cpu_info); -pcch_null: +out: return result; } diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 7ec2123838e..3e90cce3dc8 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -1023,13 +1023,12 @@ static int get_transition_latency(struct powernow_k8_data *data) } if (max_latency == 0) { /* - * Fam 11h always returns 0 as transition latency. - * This is intended and means "very fast". While cpufreq core - * and governors currently can handle that gracefully, better - * set it to 1 to avoid problems in the future. - * For all others it's a BIOS bug. + * Fam 11h and later may return 0 as transition latency. This + * is intended and means "very fast". While cpufreq core and + * governors currently can handle that gracefully, better set it + * to 1 to avoid problems in the future. */ - if (boot_cpu_data.x86 != 0x11) + if (boot_cpu_data.x86 < 0x11) printk(KERN_ERR FW_WARN PFX "Invalid zero transition " "latency\n"); max_latency = 1; diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 0697ff13983..4db7c4d12ff 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -571,8 +571,8 @@ auditsys: * masked off. */ sysret_audit: - movq %rax,%rsi /* second arg, syscall return value */ - cmpq $0,%rax /* is it < 0? */ + movq RAX-ARGOFFSET(%rsp),%rsi /* second arg, syscall return value */ + cmpq $0,%rsi /* is it < 0? */ setl %al /* 1 if so, 0 if not */ movzbl %al,%edi /* zero-extend that into %edi */ inc %edi /* first arg, 0->1(AUDITSC_SUCCESS), 1->2(AUDITSC_FAILURE) */ diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index a198b7c87a1..ba390d73117 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -964,7 +964,7 @@ fs_initcall(hpet_late_init); void hpet_disable(void) { - if (is_hpet_capable()) { + if (is_hpet_capable() && hpet_virt_address) { unsigned int cfg = hpet_readl(HPET_CFG); if (hpet_legacy_int_enabled) { diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c index 7c9f02c130f..cafa7c80ac9 100644 --- a/arch/x86/kernel/i8259.c +++ b/arch/x86/kernel/i8259.c @@ -276,16 +276,6 @@ static struct sys_device device_i8259A = { .cls = &i8259_sysdev_class, }; -static int __init i8259A_init_sysfs(void) -{ - int error = sysdev_class_register(&i8259_sysdev_class); - if (!error) - error = sysdev_register(&device_i8259A); - return error; -} - -device_initcall(i8259A_init_sysfs); - static void mask_8259A(void) { unsigned long flags; @@ -407,3 +397,18 @@ struct legacy_pic default_legacy_pic = { }; struct legacy_pic *legacy_pic = &default_legacy_pic; + +static int __init i8259A_init_sysfs(void) +{ + int error; + + if (legacy_pic != &default_legacy_pic) + return 0; + + error = sysdev_class_register(&i8259_sysdev_class); + if (!error) + error = sysdev_register(&device_i8259A); + return error; +} + +device_initcall(i8259A_init_sysfs); diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index 4f4af75b948..01ab17ae2ae 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -572,7 +572,6 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd) return NOTIFY_STOP; } -#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP int kgdb_ll_trap(int cmd, const char *str, struct pt_regs *regs, long err, int trap, int sig) { @@ -590,7 +589,6 @@ int kgdb_ll_trap(int cmd, const char *str, return __kgdb_notify(&args, cmd); } -#endif /* CONFIG_KGDB_LOW_LEVEL_TRAP */ static int kgdb_notify(struct notifier_block *self, unsigned long cmd, void *ptr) @@ -625,6 +623,12 @@ int kgdb_arch_init(void) return register_die_notifier(&kgdb_notifier); } +static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi, + struct perf_sample_data *data, struct pt_regs *regs) +{ + kgdb_ll_trap(DIE_DEBUG, "debug", regs, 0, 0, SIGTRAP); +} + void kgdb_arch_late(void) { int i, cpu; @@ -655,6 +659,7 @@ void kgdb_arch_late(void) for_each_online_cpu(cpu) { pevent = per_cpu_ptr(breakinfo[i].pev, cpu); pevent[0]->hw.sample_period = 1; + pevent[0]->overflow_handler = kgdb_hw_overflow_handler; if (pevent[0]->destroy != NULL) { pevent[0]->destroy = NULL; release_bp_slot(*pevent); diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 89d66ca4d87..2331bdc2b54 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -342,6 +342,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, /* advance table_gfn when emulating 1gb pages with 4k */ if (delta == 0) table_gfn += PT_INDEX(addr, level); + access &= gw->pte_access; } else { direct = 0; table_gfn = gw->table_gfn[level - 2]; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 05d571f6f19..7fa89c39c64 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1562,7 +1562,7 @@ static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs, r = -ENOMEM; size = sizeof(struct kvm_msr_entry) * msrs.nmsrs; - entries = vmalloc(size); + entries = kmalloc(size, GFP_KERNEL); if (!entries) goto out; @@ -1581,7 +1581,7 @@ static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs, r = n; out_free: - vfree(entries); + kfree(entries); out: return r; } diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index d97b8dce166..18b3f1468b7 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -70,6 +70,7 @@ acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info, acpi_status acpi_enable(void) { acpi_status status; + int retry; ACPI_FUNCTION_TRACE(acpi_enable); @@ -98,16 +99,18 @@ acpi_status acpi_enable(void) /* Sanity check that transition succeeded */ - if (acpi_hw_get_mode() != ACPI_SYS_MODE_ACPI) { - ACPI_ERROR((AE_INFO, - "Hardware did not enter ACPI mode")); - return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE); + for (retry = 0; retry < 30000; ++retry) { + if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) { + if (retry != 0) + ACPI_WARNING((AE_INFO, + "Platform took > %d00 usec to enter ACPI mode", retry)); + return_ACPI_STATUS(AE_OK); + } + acpi_os_stall(100); /* 100 usec */ } - ACPI_DEBUG_PRINT((ACPI_DB_INIT, - "Transition to ACPI mode successful\n")); - - return_ACPI_STATUS(AE_OK); + ACPI_ERROR((AE_INFO, "Hardware did not enter ACPI mode")); + return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE); } ACPI_EXPORT_SYMBOL(acpi_enable) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 3026e3fa83e..dc58402b0a1 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -868,9 +868,15 @@ static void acpi_battery_remove_fs(struct acpi_device *device) static void acpi_battery_notify(struct acpi_device *device, u32 event) { struct acpi_battery *battery = acpi_driver_data(device); +#ifdef CONFIG_ACPI_SYSFS_POWER + struct device *old; +#endif if (!battery) return; +#ifdef CONFIG_ACPI_SYSFS_POWER + old = battery->bat.dev; +#endif acpi_battery_update(battery); acpi_bus_generate_proc_event(device, event, acpi_battery_present(battery)); @@ -879,7 +885,7 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event) acpi_battery_present(battery)); #ifdef CONFIG_ACPI_SYSFS_POWER /* acpi_battery_update could remove power_supply object */ - if (battery->bat.dev) + if (old && battery->bat.dev) power_supply_changed(&battery->bat); #endif } diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index 01381be05e9..2bb28b9d91c 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -214,7 +214,7 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { .ident = "Sony VGN-SR290J", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "Sony VGN-SR290J"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR290J"), }, }, { diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 51284351418..e9699aaed10 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -223,7 +223,7 @@ static bool processor_physically_present(acpi_handle handle) type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0; cpuid = acpi_get_cpuid(handle, type, acpi_id); - if (cpuid == -1) + if ((cpuid == -1) && (num_possible_cpus() > 1)) return false; return true; diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index b1b385692f4..e9a8026d39f 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -76,14 +76,19 @@ static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER; module_param(max_cstate, uint, 0000); static unsigned int nocst __read_mostly; module_param(nocst, uint, 0000); +static int bm_check_disable __read_mostly; +module_param(bm_check_disable, uint, 0000); static unsigned int latency_factor __read_mostly = 2; module_param(latency_factor, uint, 0644); +#ifdef CONFIG_ACPI_PROCFS static u64 us_to_pm_timer_ticks(s64 t) { return div64_u64(t * PM_TIMER_FREQUENCY, 1000000); } +#endif + /* * IBM ThinkPad R40e crashes mysteriously when going into C2 or C3. * For now disable this. Probably a bug somewhere else. @@ -763,6 +768,9 @@ static int acpi_idle_bm_check(void) { u32 bm_status = 0; + if (bm_check_disable) + return 0; + acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status); if (bm_status) acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_STATUS, 1); @@ -947,7 +955,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, if (acpi_idle_suspend) return(acpi_idle_enter_c1(dev, state)); - if (acpi_idle_bm_check()) { + if (!cx->bm_sts_skip && acpi_idle_bm_check()) { if (dev->safe_state) { dev->last_state = dev->safe_state; return dev->safe_state->enter(dev, dev->safe_state); diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 5b7c52e4a00..2862c781b37 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -82,6 +82,20 @@ static int acpi_sleep_prepare(u32 acpi_state) static u32 acpi_target_sleep_state = ACPI_STATE_S0; /* + * The ACPI specification wants us to save NVS memory regions during hibernation + * and to restore them during the subsequent resume. Windows does that also for + * suspend to RAM. However, it is known that this mechanism does not work on + * all machines, so we allow the user to disable it with the help of the + * 'acpi_sleep=nonvs' kernel command line option. + */ +static bool nvs_nosave; + +void __init acpi_nvs_nosave(void) +{ + nvs_nosave = true; +} + +/* * ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the * user to request that behavior by using the 'acpi_old_suspend_ordering' * kernel command line option that causes the following variable to be set. @@ -197,8 +211,7 @@ static int acpi_suspend_begin(suspend_state_t pm_state) u32 acpi_state = acpi_suspend_states[pm_state]; int error = 0; - error = suspend_nvs_alloc(); - + error = nvs_nosave ? 0 : suspend_nvs_alloc(); if (error) return error; @@ -388,20 +401,6 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { #endif /* CONFIG_SUSPEND */ #ifdef CONFIG_HIBERNATION -/* - * The ACPI specification wants us to save NVS memory regions during hibernation - * and to restore them during the subsequent resume. However, it is not certain - * if this mechanism is going to work on all machines, so we allow the user to - * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line - * option. - */ -static bool s4_no_nvs; - -void __init acpi_s4_no_nvs(void) -{ - s4_no_nvs = true; -} - static unsigned long s4_hardware_signature; static struct acpi_table_facs *facs; static bool nosigcheck; @@ -415,7 +414,7 @@ static int acpi_hibernation_begin(void) { int error; - error = s4_no_nvs ? 0 : suspend_nvs_alloc(); + error = nvs_nosave ? 0 : suspend_nvs_alloc(); if (!error) { acpi_target_sleep_state = ACPI_STATE_S4; acpi_sleep_tts_switch(acpi_target_sleep_state); @@ -510,7 +509,7 @@ static int acpi_hibernation_begin_old(void) error = acpi_sleep_prepare(ACPI_STATE_S4); if (!error) { - if (!s4_no_nvs) + if (!nvs_nosave) error = suspend_nvs_alloc(); if (!error) acpi_target_sleep_state = ACPI_STATE_S4; diff --git a/drivers/base/core.c b/drivers/base/core.c index 9630fbdf4e6..9b9d3bd54e3 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -673,7 +673,7 @@ static struct kobject *get_device_parent(struct device *dev, */ if (parent == NULL) parent_kobj = virtual_device_parent(dev); - else if (parent->class) + else if (parent->class && !dev->class->ns_type) return &parent->kobj; else parent_kobj = &parent->kobj; diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 9344216183a..a7547150a70 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -1216,17 +1216,20 @@ static int intel_i915_get_gtt_size(void) /* G33's GTT size defined in gmch_ctrl */ pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); - switch (gmch_ctrl & G33_PGETBL_SIZE_MASK) { - case G33_PGETBL_SIZE_1M: + switch (gmch_ctrl & I830_GMCH_GMS_MASK) { + case I830_GMCH_GMS_STOLEN_512: + size = 512; + break; + case I830_GMCH_GMS_STOLEN_1024: size = 1024; break; - case G33_PGETBL_SIZE_2M: - size = 2048; + case I830_GMCH_GMS_STOLEN_8192: + size = 8*1024; break; default: dev_info(&agp_bridge->dev->dev, "unknown page table size 0x%x, assuming 512KB\n", - (gmch_ctrl & G33_PGETBL_SIZE_MASK)); + (gmch_ctrl & I830_GMCH_GMS_MASK)); size = 512; } } else { diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 5d64e3acb00..878ac0c2cc6 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -493,7 +493,7 @@ static void __sysrq_put_key_op(int key, struct sysrq_key_op *op_p) sysrq_key_table[i] = op_p; } -static void __handle_sysrq(int key, struct tty_struct *tty, int check_mask) +void __handle_sysrq(int key, struct tty_struct *tty, int check_mask) { struct sysrq_key_op *op_p; int orig_log_level; diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 24314a9cffe..1030f842013 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -623,7 +623,14 @@ static int tpm_tis_pnp_suspend(struct pnp_dev *dev, pm_message_t msg) static int tpm_tis_pnp_resume(struct pnp_dev *dev) { - return tpm_pm_resume(&dev->dev); + struct tpm_chip *chip = pnp_get_drvdata(dev); + int ret; + + ret = tpm_pm_resume(&dev->dev); + if (!ret) + tpm_continue_selftest(chip); + + return ret; } static struct pnp_device_id tpm_pnp_tbl[] __devinitdata = { diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 4ed665725cc..e59cb470914 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1080,6 +1080,7 @@ err_out_unregister: err_unlock_policy: unlock_policy_rwsem_write(cpu); + free_cpumask_var(policy->related_cpus); err_free_cpumask: free_cpumask_var(policy->cpus); err_free_policy: @@ -1765,17 +1766,8 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data, dprintk("governor switch\n"); /* end old governor */ - if (data->governor) { - /* - * Need to release the rwsem around governor - * stop due to lock dependency between - * cancel_delayed_work_sync and the read lock - * taken in the delayed work handler. - */ - unlock_policy_rwsem_write(data->cpu); + if (data->governor) __cpufreq_governor(data, CPUFREQ_GOV_STOP); - lock_policy_rwsem_write(data->cpu); - } /* start new governor */ data->governor = policy->governor; diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 637c105f53d..bd78acf3c36 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -1183,10 +1183,14 @@ static size_t sg_copy_end_to_buffer(struct scatterlist *sgl, unsigned int nents, /* Copy part of this segment */ ignore = skip - offset; len = miter.length - ignore; + if (boffset + len > buflen) + len = buflen - boffset; memcpy(buf + boffset, miter.addr + ignore, len); } else { - /* Copy all of this segment */ + /* Copy all of this segment (up to buflen) */ len = miter.length; + if (boffset + len > buflen) + len = buflen - boffset; memcpy(buf + boffset, miter.addr, len); } boffset += len; diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index cc9357da0e3..e0187d16dd7 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -1300,7 +1300,7 @@ int i7core_get_onedevice(struct pci_dev **prev, int devno, if (devno == 0) return -ENODEV; - i7core_printk(KERN_ERR, + i7core_printk(KERN_INFO, "Device not found: dev %02x.%d PCI ID %04x:%04x\n", dev_descr->dev, dev_descr->func, PCI_VENDOR_ID_INTEL, dev_descr->dev_id); diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c index f39b00a46ed..1052340e680 100644 --- a/drivers/edac/mpc85xx_edac.c +++ b/drivers/edac/mpc85xx_edac.c @@ -336,6 +336,7 @@ static struct of_device_id mpc85xx_pci_err_of_match[] = { }, {}, }; +MODULE_DEVICE_TABLE(of, mpc85xx_pci_err_of_match); static struct of_platform_driver mpc85xx_pci_err_driver = { .probe = mpc85xx_pci_err_probe, @@ -650,6 +651,7 @@ static struct of_device_id mpc85xx_l2_err_of_match[] = { { .compatible = "fsl,p2020-l2-cache-controller", }, {}, }; +MODULE_DEVICE_TABLE(of, mpc85xx_l2_err_of_match); static struct of_platform_driver mpc85xx_l2_err_driver = { .probe = mpc85xx_l2_err_probe, @@ -1126,6 +1128,7 @@ static struct of_device_id mpc85xx_mc_err_of_match[] = { { .compatible = "fsl,p2020-memory-controller", }, {}, }; +MODULE_DEVICE_TABLE(of, mpc85xx_mc_err_of_match); static struct of_platform_driver mpc85xx_mc_err_driver = { .probe = mpc85xx_mc_err_probe, diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 3ca36542e33..4e51fe3c1fc 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -893,10 +893,12 @@ EXPORT_SYMBOL_GPL(gpio_sysfs_set_active_low); void gpio_unexport(unsigned gpio) { struct gpio_desc *desc; - int status = -EINVAL; + int status = 0; - if (!gpio_is_valid(gpio)) + if (!gpio_is_valid(gpio)) { + status = -EINVAL; goto done; + } mutex_lock(&sysfs_lock); @@ -911,7 +913,6 @@ void gpio_unexport(unsigned gpio) clear_bit(FLAG_EXPORT, &desc->flags); put_device(dev); device_unregister(dev); - status = 0; } else status = -ENODEV; } diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index c1981861bbb..f87bf104df7 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -864,8 +864,8 @@ drm_mode_std(struct drm_connector *connector, struct edid *edid, mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0, false); mode->hdisplay = 1366; - mode->vsync_start = mode->vsync_start - 1; - mode->vsync_end = mode->vsync_end - 1; + mode->hsync_start = mode->hsync_start - 1; + mode->hsync_end = mode->hsync_end - 1; return mode; } diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index aee83fa178f..9214119c015 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -605,6 +605,9 @@ static int i915_fbc_status(struct seq_file *m, void *unused) case FBC_NOT_TILED: seq_printf(m, "scanout buffer not tiled"); break; + case FBC_MULTIPLE_PIPES: + seq_printf(m, "multiple pipes are enabled"); + break; default: seq_printf(m, "unknown reason"); } diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index f00c5ae9556..2305a1234f1 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1300,7 +1300,7 @@ static void i915_cleanup_compression(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; drm_mm_put_block(dev_priv->compressed_fb); - if (!IS_GM45(dev)) + if (dev_priv->compressed_llb) drm_mm_put_block(dev_priv->compressed_llb); } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d147ab2f5bf..2e1744d37ad 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -215,6 +215,7 @@ enum no_fbc_reason { FBC_MODE_TOO_LARGE, /* mode too large for compression */ FBC_BAD_PLANE, /* fbc not supported on plane */ FBC_NOT_TILED, /* buffer not tiled */ + FBC_MULTIPLE_PIPES, /* more than one pipe active */ }; enum intel_pch { @@ -222,6 +223,8 @@ enum intel_pch { PCH_CPT, /* Cougarpoint PCH */ }; +#define QUIRK_PIPEA_FORCE (1<<0) + struct intel_fbdev; typedef struct drm_i915_private { @@ -337,6 +340,8 @@ typedef struct drm_i915_private { /* PCH chipset type */ enum intel_pch pch_type; + unsigned long quirks; + /* Register state */ bool modeset_on_lid; u8 saveLBB; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 51bd301cf10..5aa747fc25a 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3647,6 +3647,7 @@ i915_gem_wait_for_pending_flip(struct drm_device *dev, return ret; } + int i915_gem_do_execbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv, @@ -3794,7 +3795,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, unsigned long long total_size = 0; int num_fences = 0; for (i = 0; i < args->buffer_count; i++) { - obj_priv = object_list[i]->driver_private; + obj_priv = to_intel_bo(object_list[i]); total_size += object_list[i]->size; num_fences += diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 6d9b0288272..cf41c672def 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2869,6 +2869,7 @@ #define PCH_PP_STATUS 0xc7200 #define PCH_PP_CONTROL 0xc7204 +#define PANEL_UNLOCK_REGS (0xabcd << 16) #define EDP_FORCE_VDD (1 << 3) #define EDP_BLC_ENABLE (1 << 2) #define PANEL_POWER_RESET (1 << 1) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 68dcf36e279..5e21b311982 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -862,8 +862,8 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, intel_clock_t clock; int max_n; bool found; - /* approximately equals target * 0.00488 */ - int err_most = (target >> 8) + (target >> 10); + /* approximately equals target * 0.00585 */ + int err_most = (target >> 8) + (target >> 9); found = false; if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { @@ -1180,8 +1180,12 @@ static void intel_update_fbc(struct drm_crtc *crtc, struct drm_framebuffer *fb = crtc->fb; struct intel_framebuffer *intel_fb; struct drm_i915_gem_object *obj_priv; + struct drm_crtc *tmp_crtc; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int plane = intel_crtc->plane; + int crtcs_enabled = 0; + + DRM_DEBUG_KMS("\n"); if (!i915_powersave) return; @@ -1199,10 +1203,21 @@ static void intel_update_fbc(struct drm_crtc *crtc, * If FBC is already on, we just have to verify that we can * keep it that way... * Need to disable if: + * - more than one pipe is active * - changing FBC params (stride, fence, mode) * - new fb is too large to fit in compressed buffer * - going to an unsupported config (interlace, pixel multiply, etc.) */ + list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head) { + if (tmp_crtc->enabled) + crtcs_enabled++; + } + DRM_DEBUG_KMS("%d pipes active\n", crtcs_enabled); + if (crtcs_enabled > 1) { + DRM_DEBUG_KMS("more than one pipe active, disabling compression\n"); + dev_priv->no_fbc_reason = FBC_MULTIPLE_PIPES; + goto out_disable; + } if (intel_fb->obj->size > dev_priv->cfb_size) { DRM_DEBUG_KMS("framebuffer too large, disabling " "compression\n"); @@ -1255,7 +1270,7 @@ out_disable: } } -static int +int intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj) { struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); @@ -2255,6 +2270,11 @@ static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode) intel_wait_for_vblank(dev); } + /* Don't disable pipe A or pipe A PLLs if needed */ + if (pipeconf_reg == PIPEACONF && + (dev_priv->quirks & QUIRK_PIPEA_FORCE)) + goto skip_pipe_off; + /* Next, disable display pipes */ temp = I915_READ(pipeconf_reg); if ((temp & PIPEACONF_ENABLE) != 0) { @@ -2270,7 +2290,7 @@ static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode) I915_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE); I915_READ(dpll_reg); } - + skip_pipe_off: /* Wait for the clocks to turn off. */ udelay(150); break; @@ -2356,8 +2376,6 @@ static bool intel_crtc_mode_fixup(struct drm_crtc *crtc, if (mode->clock * 3 > 27000 * 4) return MODE_CLOCK_HIGH; } - - drm_mode_set_crtcinfo(adjusted_mode, 0); return true; } @@ -3736,6 +3754,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, if (dev_priv->lvds_dither) { if (HAS_PCH_SPLIT(dev)) { pipeconf |= PIPE_ENABLE_DITHER; + pipeconf &= ~PIPE_DITHER_TYPE_MASK; pipeconf |= PIPE_DITHER_TYPE_ST01; } else lvds |= LVDS_ENABLE_DITHER; @@ -4412,7 +4431,8 @@ static void intel_increase_pllclock(struct drm_crtc *crtc, bool schedule) DRM_DEBUG_DRIVER("upclocking LVDS\n"); /* Unlock panel regs */ - I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) | (0xabcd << 16)); + I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) | + PANEL_UNLOCK_REGS); dpll &= ~DISPLAY_RATE_SELECT_FPA1; I915_WRITE(dpll_reg, dpll); @@ -4455,7 +4475,8 @@ static void intel_decrease_pllclock(struct drm_crtc *crtc) DRM_DEBUG_DRIVER("downclocking LVDS\n"); /* Unlock panel regs */ - I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) | (0xabcd << 16)); + I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) | + PANEL_UNLOCK_REGS); dpll |= DISPLAY_RATE_SELECT_FPA1; I915_WRITE(dpll_reg, dpll); @@ -4695,7 +4716,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, struct drm_gem_object *obj; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_unpin_work *work; - unsigned long flags; + unsigned long flags, offset; int pipesrc_reg = (intel_crtc->pipe == 0) ? PIPEASRC : PIPEBSRC; int ret, pipesrc; u32 flip_mask; @@ -4762,19 +4783,23 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, while (I915_READ(ISR) & flip_mask) ; + /* Offset into the new buffer for cases of shared fbs between CRTCs */ + offset = obj_priv->gtt_offset; + offset += (crtc->y * fb->pitch) + (crtc->x * (fb->bits_per_pixel) / 8); + BEGIN_LP_RING(4); if (IS_I965G(dev)) { OUT_RING(MI_DISPLAY_FLIP | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); OUT_RING(fb->pitch); - OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode); + OUT_RING(offset | obj_priv->tiling_mode); pipesrc = I915_READ(pipesrc_reg); OUT_RING(pipesrc & 0x0fff0fff); } else { OUT_RING(MI_DISPLAY_FLIP_I915 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); OUT_RING(fb->pitch); - OUT_RING(obj_priv->gtt_offset); + OUT_RING(offset); OUT_RING(MI_NOOP); } ADVANCE_LP_RING(); @@ -5506,6 +5531,66 @@ static void intel_init_display(struct drm_device *dev) } } +/* + * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, + * resume, or other times. This quirk makes sure that's the case for + * affected systems. + */ +static void quirk_pipea_force (struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + dev_priv->quirks |= QUIRK_PIPEA_FORCE; + DRM_DEBUG_DRIVER("applying pipe a force quirk\n"); +} + +struct intel_quirk { + int device; + int subsystem_vendor; + int subsystem_device; + void (*hook)(struct drm_device *dev); +}; + +struct intel_quirk intel_quirks[] = { + /* HP Compaq 2730p needs pipe A force quirk (LP: #291555) */ + { 0x2a42, 0x103c, 0x30eb, quirk_pipea_force }, + /* HP Mini needs pipe A force quirk (LP: #322104) */ + { 0x27ae,0x103c, 0x361a, quirk_pipea_force }, + + /* Thinkpad R31 needs pipe A force quirk */ + { 0x3577, 0x1014, 0x0505, quirk_pipea_force }, + /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ + { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, + + /* ThinkPad X30 needs pipe A force quirk (LP: #304614) */ + { 0x3577, 0x1014, 0x0513, quirk_pipea_force }, + /* ThinkPad X40 needs pipe A force quirk */ + + /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ + { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, + + /* 855 & before need to leave pipe A & dpll A up */ + { 0x3582, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, + { 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, +}; + +static void intel_init_quirks(struct drm_device *dev) +{ + struct pci_dev *d = dev->pdev; + int i; + + for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { + struct intel_quirk *q = &intel_quirks[i]; + + if (d->device == q->device && + (d->subsystem_vendor == q->subsystem_vendor || + q->subsystem_vendor == PCI_ANY_ID) && + (d->subsystem_device == q->subsystem_device || + q->subsystem_device == PCI_ANY_ID)) + q->hook(dev); + } +} + void intel_modeset_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -5518,6 +5603,8 @@ void intel_modeset_init(struct drm_device *dev) dev->mode_config.funcs = (void *)&intel_mode_funcs; + intel_init_quirks(dev); + intel_init_display(dev); if (IS_I965G(dev)) { diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 1aac59e83bf..5dde80f9e65 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -717,6 +717,51 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, } } +static void ironlake_edp_panel_on (struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + unsigned long timeout = jiffies + msecs_to_jiffies(5000); + u32 pp, pp_status; + + pp_status = I915_READ(PCH_PP_STATUS); + if (pp_status & PP_ON) + return; + + pp = I915_READ(PCH_PP_CONTROL); + pp |= PANEL_UNLOCK_REGS | POWER_TARGET_ON; + I915_WRITE(PCH_PP_CONTROL, pp); + do { + pp_status = I915_READ(PCH_PP_STATUS); + } while (((pp_status & PP_ON) == 0) && !time_after(jiffies, timeout)); + + if (time_after(jiffies, timeout)) + DRM_DEBUG_KMS("panel on wait timed out: 0x%08x\n", pp_status); + + pp &= ~(PANEL_UNLOCK_REGS | EDP_FORCE_VDD); + I915_WRITE(PCH_PP_CONTROL, pp); +} + +static void ironlake_edp_panel_off (struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + unsigned long timeout = jiffies + msecs_to_jiffies(5000); + u32 pp, pp_status; + + pp = I915_READ(PCH_PP_CONTROL); + pp &= ~POWER_TARGET_ON; + I915_WRITE(PCH_PP_CONTROL, pp); + do { + pp_status = I915_READ(PCH_PP_STATUS); + } while ((pp_status & PP_ON) && !time_after(jiffies, timeout)); + + if (time_after(jiffies, timeout)) + DRM_DEBUG_KMS("panel off wait timed out\n"); + + /* Make sure VDD is enabled so DP AUX will work */ + pp |= EDP_FORCE_VDD; + I915_WRITE(PCH_PP_CONTROL, pp); +} + static void ironlake_edp_backlight_on (struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -751,14 +796,18 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) if (mode != DRM_MODE_DPMS_ON) { if (dp_reg & DP_PORT_EN) { intel_dp_link_down(intel_encoder, dp_priv->DP); - if (IS_eDP(intel_encoder)) + if (IS_eDP(intel_encoder)) { ironlake_edp_backlight_off(dev); + ironlake_edp_panel_off(dev); + } } } else { if (!(dp_reg & DP_PORT_EN)) { intel_dp_link_train(intel_encoder, dp_priv->DP, dp_priv->link_configuration); - if (IS_eDP(intel_encoder)) + if (IS_eDP(intel_encoder)) { + ironlake_edp_panel_on(dev); ironlake_edp_backlight_on(dev); + } } } dp_priv->dpms_mode = mode; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 72206f37c4f..2f7970be905 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -215,6 +215,9 @@ extern void intel_init_clock_gating(struct drm_device *dev); extern void ironlake_enable_drps(struct drm_device *dev); extern void ironlake_disable_drps(struct drm_device *dev); +extern int intel_pin_and_fence_fb_obj(struct drm_device *dev, + struct drm_gem_object *obj); + extern int intel_framebuffer_init(struct drm_device *dev, struct intel_framebuffer *ifb, struct drm_mode_fb_cmd *mode_cmd, diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index c3c505244e0..3e18c9e7729 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -98,7 +98,7 @@ static int intelfb_create(struct intel_fbdev *ifbdev, mutex_lock(&dev->struct_mutex); - ret = i915_gem_object_pin(fbo, 64*1024); + ret = intel_pin_and_fence_fb_obj(dev, fbo); if (ret) { DRM_ERROR("failed to pin fb: %d\n", ret); goto out_unref; @@ -236,7 +236,7 @@ int intel_fbdev_destroy(struct drm_device *dev, drm_framebuffer_cleanup(&ifb->base); if (ifb->obj) - drm_gem_object_unreference_unlocked(ifb->obj); + drm_gem_object_unreference(ifb->obj); return 0; } diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 31df55f0a0a..0eab8df5bf7 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -599,6 +599,26 @@ static int intel_lvds_get_modes(struct drm_connector *connector) return 0; } +static int intel_no_modeset_on_lid_dmi_callback(const struct dmi_system_id *id) +{ + DRM_DEBUG_KMS("Skipping forced modeset for %s\n", id->ident); + return 1; +} + +/* The GPU hangs up on these systems if modeset is performed on LID open */ +static const struct dmi_system_id intel_no_modeset_on_lid[] = { + { + .callback = intel_no_modeset_on_lid_dmi_callback, + .ident = "Toshiba Tecra A11", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A11"), + }, + }, + + { } /* terminating entry */ +}; + /* * Lid events. Note the use of 'modeset_on_lid': * - we set it on lid close, and reset it on open @@ -622,6 +642,9 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, */ if (connector) connector->status = connector->funcs->detect(connector); + /* Don't force modeset on machines where it causes a GPU lockup */ + if (dmi_check_system(intel_no_modeset_on_lid)) + return NOTIFY_OK; if (!acpi_lid_open()) { dev_priv->modeset_on_lid = 1; return NOTIFY_OK; diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 010963d4570..345a75a03c9 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -333,7 +333,6 @@ static int evergreen_cs_packet_parse_vline(struct radeon_cs_parser *p) header = radeon_get_ib_value(p, h_idx); crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1); reg = CP_PACKET0_GET_REG(header); - mutex_lock(&p->rdev->ddev->mode_config.mutex); obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); if (!obj) { DRM_ERROR("cannot find crtc %d\n", crtc_id); @@ -368,7 +367,6 @@ static int evergreen_cs_packet_parse_vline(struct radeon_cs_parser *p) } } out: - mutex_unlock(&p->rdev->ddev->mode_config.mutex); return r; } diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index aab5ba040bd..a89a15ab524 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1230,7 +1230,6 @@ int r100_cs_packet_parse_vline(struct radeon_cs_parser *p) header = radeon_get_ib_value(p, h_idx); crtc_id = radeon_get_ib_value(p, h_idx + 5); reg = CP_PACKET0_GET_REG(header); - mutex_lock(&p->rdev->ddev->mode_config.mutex); obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); if (!obj) { DRM_ERROR("cannot find crtc %d\n", crtc_id); @@ -1264,7 +1263,6 @@ int r100_cs_packet_parse_vline(struct radeon_cs_parser *p) ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1; } out: - mutex_unlock(&p->rdev->ddev->mode_config.mutex); return r; } diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index c39c1bc1301..144c32d3713 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -585,7 +585,7 @@ static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p) header = radeon_get_ib_value(p, h_idx); crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1); reg = CP_PACKET0_GET_REG(header); - mutex_lock(&p->rdev->ddev->mode_config.mutex); + obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); if (!obj) { DRM_ERROR("cannot find crtc %d\n", crtc_id); @@ -620,7 +620,6 @@ static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p) ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2; } out: - mutex_unlock(&p->rdev->ddev->mode_config.mutex); return r; } diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index d1c1d8dd93c..2417d7b06fd 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -3050,6 +3050,14 @@ void radeon_combios_asic_init(struct drm_device *dev) rdev->pdev->subsystem_device == 0x308b) return; + /* quirk for rs4xx HP dv5000 laptop to make it resume + * - it hangs on resume inside the dynclk 1 table. + */ + if (rdev->family == CHIP_RS480 && + rdev->pdev->subsystem_vendor == 0x103c && + rdev->pdev->subsystem_device == 0x30a4) + return; + /* DYN CLK 1 */ table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE); if (table) diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 6a70c0dc7f9..ab389f89fa8 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -128,7 +128,8 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) for (i = 0, found = 0; i < rdev->num_crtc; i++) { crtc = (struct drm_crtc *)minfo->crtcs[i]; if (crtc && crtc->base.id == value) { - value = i; + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + value = radeon_crtc->crtc_id; found = 1; break; } diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index bad77f40a9d..5688a0cf6bb 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -108,6 +108,7 @@ static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode) udelay(panel_pwr_delay * 1000); WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl); WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl); + udelay(panel_pwr_delay * 1000); break; } diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 115d26b762c..3fa6984d989 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -333,6 +333,7 @@ static ssize_t radeon_get_pm_profile(struct device *dev, return snprintf(buf, PAGE_SIZE, "%s\n", (cp == PM_PROFILE_AUTO) ? "auto" : (cp == PM_PROFILE_LOW) ? "low" : + (cp == PM_PROFILE_MID) ? "mid" : (cp == PM_PROFILE_HIGH) ? "high" : "default"); } diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index d233c65f3f7..ca904799f01 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -40,13 +40,13 @@ #include <linux/slab.h> #include <asm/atomic.h> -#ifdef TTM_HAS_AGP -#include <asm/agp.h> -#endif #include "ttm/ttm_bo_driver.h" #include "ttm/ttm_page_alloc.h" +#ifdef TTM_HAS_AGP +#include <asm/agp.h> +#endif #define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *)) #define SMALL_ALLOCATION 16 diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c index fbd62abb66f..0ffaf2c77a1 100644 --- a/drivers/input/joystick/gamecon.c +++ b/drivers/input/joystick/gamecon.c @@ -89,7 +89,6 @@ struct gc_pad { struct gc { struct pardevice *pd; struct gc_pad pads[GC_MAX_DEVICES]; - struct input_dev *dev[GC_MAX_DEVICES]; struct timer_list timer; int pad_count[GC_MAX]; int used; @@ -387,7 +386,7 @@ static void gc_nes_process_packet(struct gc *gc) for (i = 0; i < GC_MAX_DEVICES; i++) { pad = &gc->pads[i]; - dev = gc->dev[i]; + dev = pad->dev; s = gc_status_bit[i]; switch (pad->type) { @@ -579,7 +578,7 @@ static void gc_psx_command(struct gc *gc, int b, unsigned char *data) read = parport_read_status(port) ^ 0x80; for (j = 0; j < GC_MAX_DEVICES; j++) { - struct gc_pad *pad = &gc->pads[i]; + struct gc_pad *pad = &gc->pads[j]; if (pad->type == GC_PSX || pad->type == GC_DDR) data[j] |= (read & gc_status_bit[j]) ? (1 << i) : 0; diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 3525f533e18..1ba25145b33 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -124,7 +124,7 @@ config KEYBOARD_ATKBD_RDI_KEYCODES right-hand column will be interpreted as the key shown in the left-hand column. -config QT2160 +config KEYBOARD_QT2160 tristate "Atmel AT42QT2160 Touch Sensor Chip" depends on I2C && EXPERIMENTAL help diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c index 7aa59e07b68..fb16b5e5ea1 100644 --- a/drivers/input/keyboard/twl4030_keypad.c +++ b/drivers/input/keyboard/twl4030_keypad.c @@ -51,8 +51,12 @@ */ #define TWL4030_MAX_ROWS 8 /* TWL4030 hard limit */ #define TWL4030_MAX_COLS 8 -#define TWL4030_ROW_SHIFT 3 -#define TWL4030_KEYMAP_SIZE (TWL4030_MAX_ROWS * TWL4030_MAX_COLS) +/* + * Note that we add space for an extra column so that we can handle + * row lines connected to the gnd (see twl4030_col_xlate()). + */ +#define TWL4030_ROW_SHIFT 4 +#define TWL4030_KEYMAP_SIZE (TWL4030_MAX_ROWS << TWL4030_ROW_SHIFT) struct twl4030_keypad { unsigned short keymap[TWL4030_KEYMAP_SIZE]; @@ -182,7 +186,7 @@ static int twl4030_read_kp_matrix_state(struct twl4030_keypad *kp, u16 *state) return ret; } -static int twl4030_is_in_ghost_state(struct twl4030_keypad *kp, u16 *key_state) +static bool twl4030_is_in_ghost_state(struct twl4030_keypad *kp, u16 *key_state) { int i; u16 check = 0; @@ -191,12 +195,12 @@ static int twl4030_is_in_ghost_state(struct twl4030_keypad *kp, u16 *key_state) u16 col = key_state[i]; if ((col & check) && hweight16(col) > 1) - return 1; + return true; check |= col; } - return 0; + return false; } static void twl4030_kp_scan(struct twl4030_keypad *kp, bool release_all) @@ -225,7 +229,8 @@ static void twl4030_kp_scan(struct twl4030_keypad *kp, bool release_all) if (!changed) continue; - for (col = 0; col < kp->n_cols; col++) { + /* Extra column handles "all gnd" rows */ + for (col = 0; col < kp->n_cols + 1; col++) { int code; if (!(changed & (1 << col))) diff --git a/drivers/input/keyboard/w90p910_keypad.c b/drivers/input/keyboard/w90p910_keypad.c index 4ef764cc493..ee2bf6bcf29 100644 --- a/drivers/input/keyboard/w90p910_keypad.c +++ b/drivers/input/keyboard/w90p910_keypad.c @@ -258,7 +258,7 @@ static struct platform_driver w90p910_keypad_driver = { .probe = w90p910_keypad_probe, .remove = __devexit_p(w90p910_keypad_remove), .driver = { - .name = "nuc900-keypad", + .name = "nuc900-kpi", .owner = THIS_MODULE, }, }; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 9ba9c4a17e1..705589dc9ac 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -141,8 +141,13 @@ static int synaptics_capability(struct psmouse *psmouse) priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2]; priv->ext_cap = priv->ext_cap_0c = 0; - if (!SYN_CAP_VALID(priv->capabilities)) + /* + * Older firmwares had submodel ID fixed to 0x47 + */ + if (SYN_ID_FULL(priv->identity) < 0x705 && + SYN_CAP_SUBMODEL_ID(priv->capabilities) != 0x47) { return -1; + } /* * Unless capExtended is set the rest of the flags should be ignored diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h index 7d4d5e12c0d..b6aa7d20d8a 100644 --- a/drivers/input/mouse/synaptics.h +++ b/drivers/input/mouse/synaptics.h @@ -47,7 +47,7 @@ #define SYN_CAP_FOUR_BUTTON(c) ((c) & (1 << 3)) #define SYN_CAP_MULTIFINGER(c) ((c) & (1 << 1)) #define SYN_CAP_PALMDETECT(c) ((c) & (1 << 0)) -#define SYN_CAP_VALID(c) ((((c) & 0x00ff00) >> 8) == 0x47) +#define SYN_CAP_SUBMODEL_ID(c) (((c) & 0x00ff00) >> 8) #define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20) #define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12) #define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16) @@ -66,6 +66,7 @@ #define SYN_ID_MODEL(i) (((i) >> 4) & 0x0f) #define SYN_ID_MAJOR(i) ((i) & 0x0f) #define SYN_ID_MINOR(i) (((i) >> 16) & 0xff) +#define SYN_ID_FULL(i) ((SYN_ID_MAJOR(i) << 8) | SYN_ID_MINOR(i)) #define SYN_ID_IS_SYNAPTICS(i) ((((i) >> 8) & 0xff) == 0x47) /* synaptics special commands */ diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 81003c4739f..ed7ad7416b2 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -170,6 +170,13 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { }, }, { + /* Gigabyte Spring Peak - defines wrong chassis type */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"), + }, + }, + { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"), diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 4917af96bae..2ed435bd4b6 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -539,9 +539,13 @@ static int mmci_get_cd(struct mmc_host *mmc) if (host->gpio_cd == -ENOSYS) status = host->plat->status(mmc_dev(host->mmc)); else - status = gpio_get_value(host->gpio_cd); + status = !gpio_get_value(host->gpio_cd); - return !status; + /* + * Use positive logic throughout - status is zero for no card, + * non-zero for card inserted. + */ + return status; } static const struct mmc_host_ops mmci_ops = { diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 8bd23687c53..bb0872a6331 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -1062,6 +1062,10 @@ struct bnx2x { /* used to synchronize stats collecting */ int stats_state; + + /* used for synchronization of concurrent threads statistics handling */ + spinlock_t stats_lock; + /* used by dmae command loader */ struct dmae_command stats_dmae; int executer_idx; diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 57ff5b3bcce..46167c08172 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -57,8 +57,8 @@ #include "bnx2x_init_ops.h" #include "bnx2x_dump.h" -#define DRV_MODULE_VERSION "1.52.53-1" -#define DRV_MODULE_RELDATE "2010/18/04" +#define DRV_MODULE_VERSION "1.52.53-2" +#define DRV_MODULE_RELDATE "2010/21/07" #define BNX2X_BC_VER 0x040200 #include <linux/firmware.h> @@ -3789,6 +3789,8 @@ static void bnx2x_storm_stats_post(struct bnx2x *bp) struct eth_query_ramrod_data ramrod_data = {0}; int i, rc; + spin_lock_bh(&bp->stats_lock); + ramrod_data.drv_counter = bp->stats_counter++; ramrod_data.collect_port = bp->port.pmf ? 1 : 0; for_each_queue(bp, i) @@ -3802,6 +3804,8 @@ static void bnx2x_storm_stats_post(struct bnx2x *bp) bp->spq_left++; bp->stats_pending = 1; } + + spin_unlock_bh(&bp->stats_lock); } } @@ -4367,6 +4371,14 @@ static int bnx2x_storm_stats_update(struct bnx2x *bp) struct host_func_stats *fstats = bnx2x_sp(bp, func_stats); struct bnx2x_eth_stats *estats = &bp->eth_stats; int i; + u16 cur_stats_counter; + + /* Make sure we use the value of the counter + * used for sending the last stats ramrod. + */ + spin_lock_bh(&bp->stats_lock); + cur_stats_counter = bp->stats_counter - 1; + spin_unlock_bh(&bp->stats_lock); memcpy(&(fstats->total_bytes_received_hi), &(bnx2x_sp(bp, func_stats_base)->total_bytes_received_hi), @@ -4394,25 +4406,22 @@ static int bnx2x_storm_stats_update(struct bnx2x *bp) u32 diff; /* are storm stats valid? */ - if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) != - bp->stats_counter) { + if (le16_to_cpu(xclient->stats_counter) != cur_stats_counter) { DP(BNX2X_MSG_STATS, "[%d] stats not updated by xstorm" " xstorm counter (0x%x) != stats_counter (0x%x)\n", - i, xclient->stats_counter, bp->stats_counter); + i, xclient->stats_counter, cur_stats_counter + 1); return -1; } - if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) != - bp->stats_counter) { + if (le16_to_cpu(tclient->stats_counter) != cur_stats_counter) { DP(BNX2X_MSG_STATS, "[%d] stats not updated by tstorm" " tstorm counter (0x%x) != stats_counter (0x%x)\n", - i, tclient->stats_counter, bp->stats_counter); + i, tclient->stats_counter, cur_stats_counter + 1); return -2; } - if ((u16)(le16_to_cpu(uclient->stats_counter) + 1) != - bp->stats_counter) { + if (le16_to_cpu(uclient->stats_counter) != cur_stats_counter) { DP(BNX2X_MSG_STATS, "[%d] stats not updated by ustorm" " ustorm counter (0x%x) != stats_counter (0x%x)\n", - i, uclient->stats_counter, bp->stats_counter); + i, uclient->stats_counter, cur_stats_counter + 1); return -4; } @@ -4849,16 +4858,18 @@ static const struct { static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event) { - enum bnx2x_stats_state state = bp->stats_state; + enum bnx2x_stats_state state; if (unlikely(bp->panic)) return; - bnx2x_stats_stm[state][event].action(bp); + /* Protect a state change flow */ + spin_lock_bh(&bp->stats_lock); + state = bp->stats_state; bp->stats_state = bnx2x_stats_stm[state][event].next_state; + spin_unlock_bh(&bp->stats_lock); - /* Make sure the state has been "changed" */ - smp_wmb(); + bnx2x_stats_stm[state][event].action(bp); if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp)) DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n", @@ -9908,6 +9919,7 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp) mutex_init(&bp->port.phy_mutex); mutex_init(&bp->fw_mb_mutex); + spin_lock_init(&bp->stats_lock); #ifdef BCM_CNIC mutex_init(&bp->cnic_mutex); #endif diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index df483076eda..8d7dfd2f1e9 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -822,7 +822,7 @@ static int rlb_initialize(struct bonding *bond) /*initialize packet type*/ pk_type->type = cpu_to_be16(ETH_P_ARP); - pk_type->dev = NULL; + pk_type->dev = bond->dev; pk_type->func = rlb_arp_recv; /* register to receive ARPs */ diff --git a/drivers/net/declance.c b/drivers/net/declance.c index 1d973db27c3..d7de376d717 100644 --- a/drivers/net/declance.c +++ b/drivers/net/declance.c @@ -1022,7 +1022,7 @@ static const struct net_device_ops lance_netdev_ops = { .ndo_set_mac_address = eth_mac_addr, }; -static int __init dec_lance_probe(struct device *bdev, const int type) +static int __devinit dec_lance_probe(struct device *bdev, const int type) { static unsigned version_printed; static const char fmt[] = "declance%d"; @@ -1326,7 +1326,7 @@ static void __exit dec_lance_platform_remove(void) } #ifdef CONFIG_TC -static int __init dec_lance_tc_probe(struct device *dev); +static int __devinit dec_lance_tc_probe(struct device *dev); static int __exit dec_lance_tc_remove(struct device *dev); static const struct tc_device_id dec_lance_tc_table[] = { @@ -1345,7 +1345,7 @@ static struct tc_driver dec_lance_tc_driver = { }, }; -static int __init dec_lance_tc_probe(struct device *dev) +static int __devinit dec_lance_tc_probe(struct device *dev) { int status = dec_lance_probe(dev, PMAD_LANCE); if (!status) diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 3881918f538..cea37e0837f 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -1722,6 +1722,15 @@ static int __devinit igb_probe(struct pci_dev *pdev, u16 eeprom_apme_mask = IGB_EEPROM_APME; u32 part_num; + /* Catch broken hardware that put the wrong VF device ID in + * the PCIe SR-IOV capability. + */ + if (pdev->is_virtfn) { + WARN(1, KERN_ERR "%s (%hx:%hx) should not be a VF!\n", + pci_name(pdev), pdev->vendor, pdev->device); + return -EINVAL; + } + err = pci_enable_device_mem(pdev); if (err) return err; diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 7b5d9764f31..74d9b6df302 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -6492,6 +6492,15 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, #endif u32 part_num, eec; + /* Catch broken hardware that put the wrong VF device ID in + * the PCIe SR-IOV capability. + */ + if (pdev->is_virtfn) { + WARN(1, KERN_ERR "%s (%hx:%hx) should not be a VF!\n", + pci_name(pdev), pdev->vendor, pdev->device); + return -EINVAL; + } + err = pci_enable_device_mem(pdev); if (err) return err; diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 87e8d4cb405..f15fe2cf72a 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -499,7 +499,7 @@ static const struct net_device_ops macvlan_netdev_ops = { .ndo_validate_addr = eth_validate_addr, }; -static void macvlan_setup(struct net_device *dev) +void macvlan_common_setup(struct net_device *dev) { ether_setup(dev); @@ -508,6 +508,12 @@ static void macvlan_setup(struct net_device *dev) dev->destructor = free_netdev; dev->header_ops = &macvlan_hard_header_ops, dev->ethtool_ops = &macvlan_ethtool_ops; +} +EXPORT_SYMBOL_GPL(macvlan_common_setup); + +static void macvlan_setup(struct net_device *dev) +{ + macvlan_common_setup(dev); dev->tx_queue_len = 0; } @@ -705,7 +711,6 @@ int macvlan_link_register(struct rtnl_link_ops *ops) /* common fields */ ops->priv_size = sizeof(struct macvlan_dev); ops->get_tx_queues = macvlan_get_tx_queues; - ops->setup = macvlan_setup; ops->validate = macvlan_validate; ops->maxtype = IFLA_MACVLAN_MAX; ops->policy = macvlan_policy; @@ -719,6 +724,7 @@ EXPORT_SYMBOL_GPL(macvlan_link_register); static struct rtnl_link_ops macvlan_link_ops = { .kind = "macvlan", + .setup = macvlan_setup, .newlink = macvlan_newlink, .dellink = macvlan_dellink, }; diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index a8a94e2f6dd..ff02b836c3c 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -180,11 +180,18 @@ static int macvtap_forward(struct net_device *dev, struct sk_buff *skb) { struct macvtap_queue *q = macvtap_get_queue(dev, skb); if (!q) - return -ENOLINK; + goto drop; + + if (skb_queue_len(&q->sk.sk_receive_queue) >= dev->tx_queue_len) + goto drop; skb_queue_tail(&q->sk.sk_receive_queue, skb); wake_up_interruptible_poll(sk_sleep(&q->sk), POLLIN | POLLRDNORM | POLLRDBAND); - return 0; + return NET_RX_SUCCESS; + +drop: + kfree_skb(skb); + return NET_RX_DROP; } /* @@ -235,8 +242,15 @@ static void macvtap_dellink(struct net_device *dev, macvlan_dellink(dev, head); } +static void macvtap_setup(struct net_device *dev) +{ + macvlan_common_setup(dev); + dev->tx_queue_len = TUN_READQ_SIZE; +} + static struct rtnl_link_ops macvtap_link_ops __read_mostly = { .kind = "macvtap", + .setup = macvtap_setup, .newlink = macvtap_newlink, .dellink = macvtap_dellink, }; diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 5e52c75892d..7f3a53dcc6e 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -65,7 +65,7 @@ static int debug_level = ERR_DBG; /* DEBUG message print. */ #define DBG_PRINT(dbg_level, fmt, args...) do { \ - if (dbg_level >= debug_level) \ + if (dbg_level <= debug_level) \ pr_info(fmt, ##args); \ } while (0) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 6ad6fe70631..63042596f0c 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -736,8 +736,18 @@ static __inline__ ssize_t tun_put_user(struct tun_struct *tun, gso.gso_type = VIRTIO_NET_HDR_GSO_TCPV6; else if (sinfo->gso_type & SKB_GSO_UDP) gso.gso_type = VIRTIO_NET_HDR_GSO_UDP; - else - BUG(); + else { + printk(KERN_ERR "tun: unexpected GSO type: " + "0x%x, gso_size %d, hdr_len %d\n", + sinfo->gso_type, gso.gso_size, + gso.hdr_len); + print_hex_dump(KERN_ERR, "tun: ", + DUMP_PREFIX_NONE, + 16, 1, skb->head, + min((int)gso.hdr_len, 64), true); + WARN_ON_ONCE(1); + return -EINVAL; + } if (sinfo->gso_type & SKB_GSO_TCP_ECN) gso.gso_type |= VIRTIO_NET_HDR_GSO_ECN; } else diff --git a/drivers/net/wimax/i2400m/i2400m-usb.h b/drivers/net/wimax/i2400m/i2400m-usb.h index 2d7c96d7e86..eb80243e22d 100644 --- a/drivers/net/wimax/i2400m/i2400m-usb.h +++ b/drivers/net/wimax/i2400m/i2400m-usb.h @@ -152,6 +152,7 @@ enum { /* Device IDs */ USB_DEVICE_ID_I6050 = 0x0186, USB_DEVICE_ID_I6050_2 = 0x0188, + USB_DEVICE_ID_I6250 = 0x0187, }; diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index 0d5081d77dc..d3365ac85dd 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -491,6 +491,7 @@ int i2400mu_probe(struct usb_interface *iface, switch (id->idProduct) { case USB_DEVICE_ID_I6050: case USB_DEVICE_ID_I6050_2: + case USB_DEVICE_ID_I6250: i2400mu->i6050 = 1; break; default: @@ -739,6 +740,7 @@ static struct usb_device_id i2400mu_id_table[] = { { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050) }, { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050_2) }, + { USB_DEVICE(0x8086, USB_DEVICE_ID_I6250) }, { USB_DEVICE(0x8086, 0x0181) }, { USB_DEVICE(0x8086, 0x1403) }, { USB_DEVICE(0x8086, 0x1405) }, diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index ca6065b71b4..e3e52913d83 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -844,9 +844,9 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) int dma_type; if (edma) - dma_type = DMA_FROM_DEVICE; - else dma_type = DMA_BIDIRECTIONAL; + else + dma_type = DMA_FROM_DEVICE; qtype = hp ? ATH9K_RX_QUEUE_HP : ATH9K_RX_QUEUE_LP; spin_lock_bh(&sc->rx.rxbuflock); diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c index df4532e91b1..f370476d541 100644 --- a/drivers/pcmcia/pxa2xx_base.c +++ b/drivers/pcmcia/pxa2xx_base.c @@ -178,7 +178,6 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, unsigned long val, struct cpufreq_freqs *freqs) { -#warning "it's not clear if this is right since the core CPU (N) clock has no effect on the memory (L) clock" switch (val) { case CPUFREQ_PRECHANGE: if (freqs->new > freqs->old) { @@ -186,7 +185,7 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, "pre-updating\n", freqs->new / 1000, (freqs->new / 100) % 10, freqs->old / 1000, (freqs->old / 100) % 10); - pxa2xx_pcmcia_set_mcxx(skt, freqs->new); + pxa2xx_pcmcia_set_timing(skt); } break; @@ -196,7 +195,7 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, "post-updating\n", freqs->new / 1000, (freqs->new / 100) % 10, freqs->old / 1000, (freqs->old / 100) % 10); - pxa2xx_pcmcia_set_mcxx(skt, freqs->new); + pxa2xx_pcmcia_set_timing(skt); } break; } diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c index 2afbeec8b79..84d3c43cf2b 100644 --- a/drivers/power/ds2782_battery.c +++ b/drivers/power/ds2782_battery.c @@ -43,10 +43,9 @@ struct ds278x_info; struct ds278x_battery_ops { - int (*get_current)(struct ds278x_info *info, int *current_uA); - int (*get_voltage)(struct ds278x_info *info, int *voltage_uA); - int (*get_capacity)(struct ds278x_info *info, int *capacity_uA); - + int (*get_battery_current)(struct ds278x_info *info, int *current_uA); + int (*get_battery_voltage)(struct ds278x_info *info, int *voltage_uA); + int (*get_battery_capacity)(struct ds278x_info *info, int *capacity_uA); }; #define to_ds278x_info(x) container_of(x, struct ds278x_info, battery) @@ -213,11 +212,11 @@ static int ds278x_get_status(struct ds278x_info *info, int *status) int current_uA; int capacity; - err = info->ops->get_current(info, ¤t_uA); + err = info->ops->get_battery_current(info, ¤t_uA); if (err) return err; - err = info->ops->get_capacity(info, &capacity); + err = info->ops->get_battery_capacity(info, &capacity); if (err) return err; @@ -246,15 +245,15 @@ static int ds278x_battery_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CAPACITY: - ret = info->ops->get_capacity(info, &val->intval); + ret = info->ops->get_battery_capacity(info, &val->intval); break; case POWER_SUPPLY_PROP_VOLTAGE_NOW: - ret = info->ops->get_voltage(info, &val->intval); + ret = info->ops->get_battery_voltage(info, &val->intval); break; case POWER_SUPPLY_PROP_CURRENT_NOW: - ret = info->ops->get_current(info, &val->intval); + ret = info->ops->get_battery_current(info, &val->intval); break; case POWER_SUPPLY_PROP_TEMP: @@ -307,14 +306,14 @@ enum ds278x_num_id { static struct ds278x_battery_ops ds278x_ops[] = { [DS2782] = { - .get_current = ds2782_get_current, - .get_voltage = ds2782_get_voltage, - .get_capacity = ds2782_get_capacity, + .get_battery_current = ds2782_get_current, + .get_battery_voltage = ds2782_get_voltage, + .get_battery_capacity = ds2782_get_capacity, }, [DS2786] = { - .get_current = ds2786_get_current, - .get_voltage = ds2786_get_voltage, - .get_capacity = ds2786_get_capacity, + .get_battery_current = ds2786_get_current, + .get_battery_voltage = ds2786_get_voltage, + .get_battery_capacity = ds2786_get_capacity, } }; diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c index 7b14a67bdca..11790990277 100644 --- a/drivers/regulator/ab3100.c +++ b/drivers/regulator/ab3100.c @@ -286,7 +286,7 @@ static int ab3100_list_voltage_regulator(struct regulator_dev *reg, { struct ab3100_regulator *abreg = reg->reg_data; - if (selector > abreg->voltages_len) + if (selector >= abreg->voltages_len) return -EINVAL; return abreg->typ_voltages[selector]; } @@ -318,7 +318,7 @@ static int ab3100_get_voltage_regulator(struct regulator_dev *reg) regval &= 0xE0; regval >>= 5; - if (regval > abreg->voltages_len) { + if (regval >= abreg->voltages_len) { dev_err(®->dev, "regulator register %02x contains an illegal voltage setting\n", abreg->regreg); diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c index 14b4576281c..8152d65220f 100644 --- a/drivers/regulator/tps6507x-regulator.c +++ b/drivers/regulator/tps6507x-regulator.c @@ -22,6 +22,7 @@ #include <linux/platform_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> +#include <linux/regulator/tps6507x.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/mfd/tps6507x.h> @@ -101,9 +102,12 @@ struct tps_info { unsigned max_uV; u8 table_len; const u16 *table; + + /* Does DCDC high or the low register defines output voltage? */ + bool defdcdc_default; }; -static const struct tps_info tps6507x_pmic_regs[] = { +static struct tps_info tps6507x_pmic_regs[] = { { .name = "VDCDC1", .min_uV = 725000, @@ -145,7 +149,7 @@ struct tps6507x_pmic { struct regulator_desc desc[TPS6507X_NUM_REGULATOR]; struct tps6507x_dev *mfd; struct regulator_dev *rdev[TPS6507X_NUM_REGULATOR]; - const struct tps_info *info[TPS6507X_NUM_REGULATOR]; + struct tps_info *info[TPS6507X_NUM_REGULATOR]; struct mutex io_lock; }; static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg) @@ -341,10 +345,16 @@ static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev) reg = TPS6507X_REG_DEFDCDC1; break; case TPS6507X_DCDC_2: - reg = TPS6507X_REG_DEFDCDC2_LOW; + if (tps->info[dcdc]->defdcdc_default) + reg = TPS6507X_REG_DEFDCDC2_HIGH; + else + reg = TPS6507X_REG_DEFDCDC2_LOW; break; case TPS6507X_DCDC_3: - reg = TPS6507X_REG_DEFDCDC3_LOW; + if (tps->info[dcdc]->defdcdc_default) + reg = TPS6507X_REG_DEFDCDC3_HIGH; + else + reg = TPS6507X_REG_DEFDCDC3_LOW; break; default: return -EINVAL; @@ -370,10 +380,16 @@ static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev, reg = TPS6507X_REG_DEFDCDC1; break; case TPS6507X_DCDC_2: - reg = TPS6507X_REG_DEFDCDC2_LOW; + if (tps->info[dcdc]->defdcdc_default) + reg = TPS6507X_REG_DEFDCDC2_HIGH; + else + reg = TPS6507X_REG_DEFDCDC2_LOW; break; case TPS6507X_DCDC_3: - reg = TPS6507X_REG_DEFDCDC3_LOW; + if (tps->info[dcdc]->defdcdc_default) + reg = TPS6507X_REG_DEFDCDC3_HIGH; + else + reg = TPS6507X_REG_DEFDCDC3_LOW; break; default: return -EINVAL; @@ -532,7 +548,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev) { struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent); static int desc_id; - const struct tps_info *info = &tps6507x_pmic_regs[0]; + struct tps_info *info = &tps6507x_pmic_regs[0]; struct regulator_init_data *init_data; struct regulator_dev *rdev; struct tps6507x_pmic *tps; @@ -569,6 +585,12 @@ int tps6507x_pmic_probe(struct platform_device *pdev) for (i = 0; i < TPS6507X_NUM_REGULATOR; i++, info++, init_data++) { /* Register the regulators */ tps->info[i] = info; + if (init_data->driver_data) { + struct tps6507x_reg_platform_data *data = + init_data->driver_data; + tps->info[i]->defdcdc_default = data->defdcdc_default; + } + tps->desc[i].name = info->name; tps->desc[i].id = desc_id++; tps->desc[i].n_voltages = num_voltages[i]; diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 723cd1fb486..0e6ed7db936 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -1495,7 +1495,7 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg, if (ret != 0) { dev_err(wm8350->dev, "Failed to register regulator %d: %d\n", reg, ret); - platform_device_del(pdev); + platform_device_put(pdev); wm8350->pmic.pdev[reg] = NULL; } diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c index 9718aaaa821..600b890a3c1 100644 --- a/drivers/rtc/rtc-rx8581.c +++ b/drivers/rtc/rtc-rx8581.c @@ -168,7 +168,7 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm) return -EIO; } - err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG, + err = i2c_smbus_write_byte_data(client, RX8581_REG_CTRL, (data | RX8581_CTRL_STOP)); if (err < 0) { dev_err(&client->dev, "Unable to write control register\n"); @@ -182,6 +182,20 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm) return -EIO; } + /* get VLF and clear it */ + data = i2c_smbus_read_byte_data(client, RX8581_REG_FLAG); + if (data < 0) { + dev_err(&client->dev, "Unable to read flag register\n"); + return -EIO; + } + + err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG, + (data & ~(RX8581_FLAG_VLF))); + if (err != 0) { + dev_err(&client->dev, "Unable to write flag register\n"); + return -EIO; + } + /* Restart the clock */ data = i2c_smbus_read_byte_data(client, RX8581_REG_CTRL); if (data < 0) { @@ -189,8 +203,8 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm) return -EIO; } - err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG, - (data | ~(RX8581_CTRL_STOP))); + err = i2c_smbus_write_byte_data(client, RX8581_REG_CTRL, + (data & ~(RX8581_CTRL_STOP))); if (err != 0) { dev_err(&client->dev, "Unable to write control register\n"); return -EIO; diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index e3dbeda9717..fd068bc1bd0 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -714,6 +714,14 @@ static int zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *act) if (zfcp_erp_adapter_strategy_open_fsf_xport(act) == ZFCP_ERP_FAILED) return ZFCP_ERP_FAILED; + if (mempool_resize(act->adapter->pool.status_read_data, + act->adapter->stat_read_buf_num, GFP_KERNEL)) + return ZFCP_ERP_FAILED; + + if (mempool_resize(act->adapter->pool.status_read_req, + act->adapter->stat_read_buf_num, GFP_KERNEL)) + return ZFCP_ERP_FAILED; + atomic_set(&act->adapter->stat_miss, act->adapter->stat_read_buf_num); if (zfcp_status_read_refill(act->adapter)) return ZFCP_ERP_FAILED; diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 9ac6a6e4a60..71663fb7731 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -496,7 +496,8 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req) adapter->hydra_version = bottom->adapter_type; adapter->timer_ticks = bottom->timer_interval; - adapter->stat_read_buf_num = max(bottom->status_read_buf_num, (u16)16); + adapter->stat_read_buf_num = max(bottom->status_read_buf_num, + (u16)FSF_STATUS_READS_RECOM); if (fc_host_permanent_port_name(shost) == -1) fc_host_permanent_port_name(shost) = fc_host_port_name(shost); @@ -719,11 +720,6 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_qdio *qdio, zfcp_qdio_req_init(adapter->qdio, &req->qdio_req, req->req_id, sbtype, req->qtcb, sizeof(struct fsf_qtcb)); - if (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) { - zfcp_fsf_req_free(req); - return ERR_PTR(-EIO); - } - return req; } @@ -981,7 +977,7 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req, } /* use single, unchained SBAL if it can hold the request */ - if (zfcp_qdio_sg_one_sbale(sg_req) || zfcp_qdio_sg_one_sbale(sg_resp)) { + if (zfcp_qdio_sg_one_sbale(sg_req) && zfcp_qdio_sg_one_sbale(sg_resp)) { zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req, sg_req, sg_resp); return 0; diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 28117e130e2..6fa5e045317 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -251,7 +251,8 @@ static int zfcp_qdio_sbal_check(struct zfcp_qdio *qdio) struct zfcp_qdio_queue *req_q = &qdio->req_q; spin_lock_bh(&qdio->req_q_lock); - if (atomic_read(&req_q->count)) + if (atomic_read(&req_q->count) || + !(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) return 1; spin_unlock_bh(&qdio->req_q_lock); return 0; @@ -274,8 +275,13 @@ int zfcp_qdio_sbal_get(struct zfcp_qdio *qdio) spin_unlock_bh(&qdio->req_q_lock); ret = wait_event_interruptible_timeout(qdio->req_q_wq, zfcp_qdio_sbal_check(qdio), 5 * HZ); + + if (!(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) + return -EIO; + if (ret > 0) return 0; + if (!ret) { atomic_inc(&qdio->req_q_full); /* assume hanging outbound queue, try queue recovery */ @@ -375,6 +381,8 @@ void zfcp_qdio_close(struct zfcp_qdio *qdio) atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &qdio->adapter->status); spin_unlock_bh(&qdio->req_q_lock); + wake_up(&qdio->req_q_wq); + qdio_shutdown(qdio->adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR); diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c index a864ccc0a34..989b9a8ba72 100644 --- a/drivers/scsi/ibmvscsi/rpa_vscsi.c +++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c @@ -277,6 +277,12 @@ static int rpavscsi_init_crq_queue(struct crq_queue *queue, goto reg_crq_failed; } + queue->cur = 0; + spin_lock_init(&queue->lock); + + tasklet_init(&hostdata->srp_task, (void *)rpavscsi_task, + (unsigned long)hostdata); + if (request_irq(vdev->irq, rpavscsi_handle_event, 0, "ibmvscsi", (void *)hostdata) != 0) { @@ -291,15 +297,10 @@ static int rpavscsi_init_crq_queue(struct crq_queue *queue, goto req_irq_failed; } - queue->cur = 0; - spin_lock_init(&queue->lock); - - tasklet_init(&hostdata->srp_task, (void *)rpavscsi_task, - (unsigned long)hostdata); - return retrc; req_irq_failed: + tasklet_kill(&hostdata->srp_task); do { rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address); } while ((rc == H_BUSY) || (H_IS_LONG_BUSY(rc))); diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 82ea4a8226b..f820cffb7f0 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -1129,20 +1129,22 @@ static int ipr_is_same_device(struct ipr_resource_entry *res, } /** - * ipr_format_resource_path - Format the resource path for printing. + * ipr_format_res_path - Format the resource path for printing. * @res_path: resource path * @buf: buffer * * Return value: * pointer to buffer **/ -static char *ipr_format_resource_path(u8 *res_path, char *buffer) +static char *ipr_format_res_path(u8 *res_path, char *buffer, int len) { int i; + char *p = buffer; - sprintf(buffer, "%02X", res_path[0]); - for (i=1; res_path[i] != 0xff; i++) - sprintf(buffer, "%s-%02X", buffer, res_path[i]); + res_path[0] = '\0'; + p += snprintf(p, buffer + len - p, "%02X", res_path[0]); + for (i = 1; res_path[i] != 0xff && ((i * 3) < len); i++) + p += snprintf(p, buffer + len - p, "-%02X", res_path[i]); return buffer; } @@ -1187,7 +1189,8 @@ static void ipr_update_res_entry(struct ipr_resource_entry *res, if (res->sdev && new_path) sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n", - ipr_format_resource_path(&res->res_path[0], &buffer[0])); + ipr_format_res_path(res->res_path, buffer, + sizeof(buffer))); } else { res->flags = cfgtew->u.cfgte->flags; if (res->flags & IPR_IS_IOA_RESOURCE) @@ -1573,7 +1576,8 @@ static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err_separator; ipr_err("Device %d : %s", i + 1, - ipr_format_resource_path(&dev_entry->res_path[0], &buffer[0])); + ipr_format_res_path(dev_entry->res_path, buffer, + sizeof(buffer))); ipr_log_ext_vpd(&dev_entry->vpd); ipr_err("-----New Device Information-----\n"); @@ -1919,13 +1923,14 @@ static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb, ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n", path_active_desc[i].desc, path_state_desc[j].desc, - ipr_format_resource_path(&fabric->res_path[0], &buffer[0])); + ipr_format_res_path(fabric->res_path, buffer, + sizeof(buffer))); return; } } ipr_err("Path state=%02X Resource Path=%s\n", path_state, - ipr_format_resource_path(&fabric->res_path[0], &buffer[0])); + ipr_format_res_path(fabric->res_path, buffer, sizeof(buffer))); } static const struct { @@ -2066,7 +2071,8 @@ static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n", path_status_desc[j].desc, path_type_desc[i].desc, - ipr_format_resource_path(&cfg->res_path[0], &buffer[0]), + ipr_format_res_path(cfg->res_path, buffer, + sizeof(buffer)), link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); return; @@ -2074,7 +2080,7 @@ static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, } ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s " "WWN=%08X%08X\n", cfg->type_status, - ipr_format_resource_path(&cfg->res_path[0], &buffer[0]), + ipr_format_res_path(cfg->res_path, buffer, sizeof(buffer)), link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); } @@ -2139,7 +2145,7 @@ static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("RAID %s Array Configuration: %s\n", error->protection_level, - ipr_format_resource_path(&error->last_res_path[0], &buffer[0])); + ipr_format_res_path(error->last_res_path, buffer, sizeof(buffer))); ipr_err_separator; @@ -2160,9 +2166,11 @@ static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("Array Member %d:\n", i); ipr_log_ext_vpd(&array_entry->vpd); ipr_err("Current Location: %s", - ipr_format_resource_path(&array_entry->res_path[0], &buffer[0])); + ipr_format_res_path(array_entry->res_path, buffer, + sizeof(buffer))); ipr_err("Expected Location: %s", - ipr_format_resource_path(&array_entry->expected_res_path[0], &buffer[0])); + ipr_format_res_path(array_entry->expected_res_path, + buffer, sizeof(buffer))); ipr_err_separator; } @@ -4079,7 +4087,8 @@ static struct device_attribute ipr_adapter_handle_attr = { }; /** - * ipr_show_resource_path - Show the resource path for this device. + * ipr_show_resource_path - Show the resource path or the resource address for + * this device. * @dev: device struct * @buf: buffer * @@ -4097,9 +4106,14 @@ static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribut spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); res = (struct ipr_resource_entry *)sdev->hostdata; - if (res) + if (res && ioa_cfg->sis64) len = snprintf(buf, PAGE_SIZE, "%s\n", - ipr_format_resource_path(&res->res_path[0], &buffer[0])); + ipr_format_res_path(res->res_path, buffer, + sizeof(buffer))); + else if (res) + len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no, + res->bus, res->target, res->lun); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); return len; } @@ -4351,7 +4365,8 @@ static int ipr_slave_configure(struct scsi_device *sdev) scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); if (ioa_cfg->sis64) sdev_printk(KERN_INFO, sdev, "Resource path: %s\n", - ipr_format_resource_path(&res->res_path[0], &buffer[0])); + ipr_format_res_path(res->res_path, buffer, + sizeof(buffer))); return 0; } spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 9ecd2259eb3..b965f3587c9 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -1684,8 +1684,9 @@ struct ipr_ucode_image_header { if (ipr_is_device(hostrcb)) { \ if ((hostrcb)->ioa_cfg->sis64) { \ printk(KERN_ERR IPR_NAME ": %s: " fmt, \ - ipr_format_resource_path(&hostrcb->hcam.u.error64.fd_res_path[0], \ - &hostrcb->rp_buffer[0]), \ + ipr_format_res_path(hostrcb->hcam.u.error64.fd_res_path, \ + hostrcb->rp_buffer, \ + sizeof(hostrcb->rp_buffer)), \ __VA_ARGS__); \ } else { \ ipr_ra_err((hostrcb)->ioa_cfg, \ diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index eed3c2d8dd1..a182def7007 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -41,6 +41,7 @@ #include <linux/uaccess.h> #include <asm/io.h> +#include <asm/ioctls.h> #include <asm/mach/serial_at91.h> #include <mach/board.h> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 61d75507d5d..162c95a088e 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1596,6 +1596,7 @@ static const struct usb_device_id acm_ids[] = { { NOKIA_PCSUITE_ACM_INFO(0x00e9), }, /* Nokia 5320 XpressMusic */ { NOKIA_PCSUITE_ACM_INFO(0x0108), }, /* Nokia 5320 XpressMusic 2G */ { NOKIA_PCSUITE_ACM_INFO(0x01f5), }, /* Nokia N97, RM-505 */ + { NOKIA_PCSUITE_ACM_INFO(0x02e3), }, /* Nokia 5230, RM-588 */ /* NOTE: non-Nokia COMM/ACM/0xff is likely MSFT RNDIS... NOT a modem! */ diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 83e7bbbe97f..70cccc75a36 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1982,6 +1982,8 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, (portstatus & USB_PORT_STAT_ENABLE)) { if (hub_is_wusb(hub)) udev->speed = USB_SPEED_WIRELESS; + else if (portstatus & USB_PORT_STAT_SUPER_SPEED) + udev->speed = USB_SPEED_SUPER; else if (portstatus & USB_PORT_STAT_HIGH_SPEED) udev->speed = USB_SPEED_HIGH; else if (portstatus & USB_PORT_STAT_LOW_SPEED) diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index f22d03df8b1..db99c084df9 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -41,6 +41,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* Philips PSC805 audio device */ { USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Artisman Watchdog Dongle */ + { USB_DEVICE(0x04b4, 0x0526), .driver_info = + USB_QUIRK_CONFIG_INTF_STRINGS }, + /* Roland SC-8820 */ { USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -64,6 +68,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */ { USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF }, + /* Broadcom BCM92035DGROM BT dongle */ + { USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Action Semiconductor flash disk */ { USB_DEVICE(0x10d6, 0x2200), .driver_info = USB_QUIRK_STRING_FETCH_255 }, diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c index 85b0d8921ea..980762453a9 100644 --- a/drivers/usb/gadget/pxa27x_udc.c +++ b/drivers/usb/gadget/pxa27x_udc.c @@ -2561,7 +2561,7 @@ static void pxa_udc_shutdown(struct platform_device *_dev) udc_disable(udc); } -#ifdef CONFIG_CPU_PXA27x +#ifdef CONFIG_PXA27x extern void pxa27x_clear_otgph(void); #else #define pxa27x_clear_otgph() do {} while (0) diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c index e724a051bfd..ea2b3c7ebee 100644 --- a/drivers/usb/gadget/s3c2410_udc.c +++ b/drivers/usb/gadget/s3c2410_udc.c @@ -735,6 +735,10 @@ static void s3c2410_udc_handle_ep0_idle(struct s3c2410_udc *dev, else dev->ep0state = EP0_OUT_DATA_PHASE; + if (!dev->driver) + return; + + /* deliver the request to the gadget driver */ ret = dev->driver->setup(&dev->gadget, crq); if (ret < 0) { if (dev->req_config) { diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index a18debdd79b..41816389477 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -203,7 +203,7 @@ static inline void pxa27x_reset_hc(struct pxa27x_ohci *ohci) __raw_writel(uhchr & ~UHCHR_FHR, ohci->mmio_base + UHCHR); } -#ifdef CONFIG_CPU_PXA27x +#ifdef CONFIG_PXA27x extern void pxa27x_clear_otgph(void); #else #define pxa27x_clear_otgph() do {} while (0) diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index fd9e03afd91..2eb658d2639 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -835,6 +835,27 @@ fail: return 0; } +void xhci_copy_ep0_dequeue_into_input_ctx(struct xhci_hcd *xhci, + struct usb_device *udev) +{ + struct xhci_virt_device *virt_dev; + struct xhci_ep_ctx *ep0_ctx; + struct xhci_ring *ep_ring; + + virt_dev = xhci->devs[udev->slot_id]; + ep0_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, 0); + ep_ring = virt_dev->eps[0].ring; + /* + * FIXME we don't keep track of the dequeue pointer very well after a + * Set TR dequeue pointer, so we're setting the dequeue pointer of the + * host to our enqueue pointer. This should only be called after a + * configured device has reset, so all control transfers should have + * been completed or cancelled before the reset. + */ + ep0_ctx->deq = xhci_trb_virt_to_dma(ep_ring->enq_seg, ep_ring->enqueue); + ep0_ctx->deq |= ep_ring->cycle_state; +} + /* Setup an xHCI virtual device for a Set Address command */ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *udev) { @@ -1002,7 +1023,7 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev, return EP_INTERVAL(interval); } -/* The "Mult" field in the endpoint context is only set for SuperSpeed devices. +/* The "Mult" field in the endpoint context is only set for SuperSpeed isoc eps. * High speed endpoint descriptors can define "the number of additional * transaction opportunities per microframe", but that goes in the Max Burst * endpoint context field. @@ -1010,7 +1031,8 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev, static inline u32 xhci_get_endpoint_mult(struct usb_device *udev, struct usb_host_endpoint *ep) { - if (udev->speed != USB_SPEED_SUPER) + if (udev->speed != USB_SPEED_SUPER || + !usb_endpoint_xfer_isoc(&ep->desc)) return 0; return ep->ss_ep_comp.bmAttributes; } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 94e6934edb0..bfc99a93945 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2380,16 +2380,19 @@ static int queue_command(struct xhci_hcd *xhci, u32 field1, u32 field2, u32 field3, u32 field4, bool command_must_succeed) { int reserved_trbs = xhci->cmd_ring_reserved_trbs; + int ret; + if (!command_must_succeed) reserved_trbs++; - if (!room_on_ring(xhci, xhci->cmd_ring, reserved_trbs)) { - if (!in_interrupt()) - xhci_err(xhci, "ERR: No room for command on command ring\n"); + ret = prepare_ring(xhci, xhci->cmd_ring, EP_STATE_RUNNING, + reserved_trbs, GFP_ATOMIC); + if (ret < 0) { + xhci_err(xhci, "ERR: No room for command on command ring\n"); if (command_must_succeed) xhci_err(xhci, "ERR: Reserved TRB counting for " "unfailable commands failed.\n"); - return -ENOMEM; + return ret; } queue_trb(xhci, xhci->cmd_ring, false, false, field1, field2, field3, field4 | xhci->cmd_ring->cycle_state); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 27345cd04da..3998f72cd0c 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -2134,6 +2134,8 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) /* If this is a Set Address to an unconfigured device, setup ep 0 */ if (!udev->config) xhci_setup_addressable_virt_dev(xhci, udev); + else + xhci_copy_ep0_dequeue_into_input_ctx(xhci, udev); /* Otherwise, assume the core has the device configured how it wants */ xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id); xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 8b4b7d39f79..6c7e3430ec9 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1292,6 +1292,8 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags); void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id); int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, struct usb_device *udev, gfp_t flags); int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *udev); +void xhci_copy_ep0_dequeue_into_input_ctx(struct xhci_hcd *xhci, + struct usb_device *udev); unsigned int xhci_get_endpoint_index(struct usb_endpoint_descriptor *desc); unsigned int xhci_get_endpoint_flag(struct usb_endpoint_descriptor *desc); unsigned int xhci_get_endpoint_flag_from_index(unsigned int ep_index); diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 30d930386b6..d25814c172b 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -2436,7 +2436,8 @@ sisusb_open(struct inode *inode, struct file *file) } if (!sisusb->devinit) { - if (sisusb->sisusb_dev->speed == USB_SPEED_HIGH) { + if (sisusb->sisusb_dev->speed == USB_SPEED_HIGH || + sisusb->sisusb_dev->speed == USB_SPEED_SUPER) { if (sisusb_init_gfxdevice(sisusb, 0)) { mutex_unlock(&sisusb->lock); dev_err(&sisusb->sisusb_dev->dev, "Failed to initialize device\n"); @@ -3166,7 +3167,7 @@ static int sisusb_probe(struct usb_interface *intf, sisusb->present = 1; - if (dev->speed == USB_SPEED_HIGH) { + if (dev->speed == USB_SPEED_HIGH || dev->speed == USB_SPEED_SUPER) { int initscreen = 1; #ifdef INCL_SISUSB_CON if (sisusb_first_vc > 0 && diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 05c077f8f9a..3c48e77a0aa 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -29,19 +29,6 @@ static void tusb_source_power(struct musb *musb, int is_on); #define TUSB_REV_MAJOR(reg_val) ((reg_val >> 4) & 0xf) #define TUSB_REV_MINOR(reg_val) (reg_val & 0xf) -#ifdef CONFIG_PM -/* REVISIT: These should be only needed if somebody implements off idle */ -void musb_platform_save_context(struct musb *musb, - struct musb_context_registers *musb_context) -{ -} - -void musb_platform_restore_context(struct musb *musb, - struct musb_context_registers *musb_context) -{ -} -#endif - /* * Checks the revision. We need to use the DMA register as 3.0 does not * have correct versions for TUSB_PRCM_REV or TUSB_INT_CTRL_REV. diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index da7e334b040..e298dc4baed 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -691,6 +691,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID), .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, + { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) }, { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) }, @@ -737,6 +738,14 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) }, { USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) }, { USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) }, + { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index bbc159a1df4..d01946db8fa 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -696,6 +696,12 @@ #define TELLDUS_TELLSTICK_PID 0x0C30 /* RF control dongle 433 MHz using FT232RL */ /* + * RT Systems programming cables for various ham radios + */ +#define RTSYSTEMS_VID 0x2100 /* Vendor ID */ +#define RTSYSTEMS_SERIAL_VX7_PID 0x9e52 /* Serial converter for VX-7 Radios using FT232RL */ + +/* * Bayer Ascensia Contour blood glucose meter USB-converter cable. * http://winglucofacts.com/cables/ */ @@ -1017,3 +1023,12 @@ #define MJSG_SR_RADIO_PID 0x9379 #define MJSG_XM_RADIO_PID 0x937A #define MJSG_HD_RADIO_PID 0x937C + +/* + * Xverve Signalyzer tools (http://www.signalyzer.com/) + */ +#define XVERVE_SIGNALYZER_ST_PID 0xBCA0 +#define XVERVE_SIGNALYZER_SLITE_PID 0xBCA1 +#define XVERVE_SIGNALYZER_SH2_PID 0xBCA2 +#define XVERVE_SIGNALYZER_SH4_PID 0xBCA4 + diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index e280ad8e12f..5cd30e4345c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -206,6 +206,7 @@ static void option_instat_callback(struct urb *urb); #define AMOI_PRODUCT_H01 0x0800 #define AMOI_PRODUCT_H01A 0x7002 #define AMOI_PRODUCT_H02 0x0802 +#define AMOI_PRODUCT_SKYPEPHONE_S2 0x0407 #define DELL_VENDOR_ID 0x413C @@ -302,6 +303,7 @@ static void option_instat_callback(struct urb *urb); #define QISDA_PRODUCT_H21_4512 0x4512 #define QISDA_PRODUCT_H21_4523 0x4523 #define QISDA_PRODUCT_H20_4515 0x4515 +#define QISDA_PRODUCT_H20_4518 0x4518 #define QISDA_PRODUCT_H20_4519 0x4519 /* TLAYTECH PRODUCTS */ @@ -516,6 +518,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) }, + { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_SKYPEPHONE_S2) }, { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_MINICARD) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */ { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5500_MINICARD) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ @@ -852,6 +855,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) }, { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) }, { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) }, + { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4518) }, { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4519) }, { USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_G450) }, { USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */ diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 93d72eb8caf..cde67cacb2c 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -51,6 +51,8 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */ {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ + {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */ + {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */ {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */ diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index ef0bdb08d78..d47b56e9e8c 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -245,6 +245,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */ { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */ + { USB_DEVICE(0x1199, 0x0301) }, /* Sierra Wireless USB Dongle 250U */ /* Sierra Wireless C597 */ { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) }, /* Sierra Wireless T598 */ diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index 44716427c51..64ec073e89d 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -139,9 +139,7 @@ static int usb_stor_msg_common(struct us_data *us, int timeout) /* fill the common fields in the URB */ us->current_urb->context = &urb_done; - us->current_urb->actual_length = 0; - us->current_urb->error_count = 0; - us->current_urb->status = 0; + us->current_urb->transfer_flags = 0; /* we assume that if transfer_buffer isn't us->iobuf then it * hasn't been mapped for DMA. Yes, this is clunky, but it's diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c index 40f61320ce1..34b2fc472fe 100644 --- a/drivers/video/au1100fb.c +++ b/drivers/video/au1100fb.c @@ -95,7 +95,7 @@ struct fb_bitfield rgb_bitfields[][4] = { { 8, 4, 0 }, { 4, 4, 0 }, { 0, 4, 0 }, { 0, 0, 0 } }, }; -static struct fb_fix_screeninfo au1100fb_fix __initdata = { +static struct fb_fix_screeninfo au1100fb_fix __devinitdata = { .id = "AU1100 FB", .xpanstep = 1, .ypanstep = 1, @@ -103,7 +103,7 @@ static struct fb_fix_screeninfo au1100fb_fix __initdata = { .accel = FB_ACCEL_NONE, }; -static struct fb_var_screeninfo au1100fb_var __initdata = { +static struct fb_var_screeninfo au1100fb_var __devinitdata = { .activate = FB_ACTIVATE_NOW, .height = -1, .width = -1, @@ -458,7 +458,7 @@ static struct fb_ops au1100fb_ops = /* AU1100 LCD controller device driver */ -static int __init au1100fb_drv_probe(struct platform_device *dev) +static int __devinit au1100fb_drv_probe(struct platform_device *dev) { struct au1100fb_device *fbdev = NULL; struct resource *regs_res; diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c index 3a561df2e8a..0c1afd13ddd 100644 --- a/drivers/video/cyber2000fb.c +++ b/drivers/video/cyber2000fb.c @@ -388,6 +388,7 @@ cyber2000fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, pseudo_val |= convert_bitfield(red, &var->red); pseudo_val |= convert_bitfield(green, &var->green); pseudo_val |= convert_bitfield(blue, &var->blue); + ret = 0; break; } @@ -436,6 +437,8 @@ static void cyber2000fb_write_ramdac_ctrl(struct cfb_info *cfb) cyber2000fb_writeb(i | 4, 0x3cf, cfb); cyber2000fb_writeb(val, 0x3c6, cfb); cyber2000fb_writeb(i, 0x3cf, cfb); + /* prevent card lock-up observed on x86 with CyberPro 2000 */ + cyber2000fb_readb(0x3cf, cfb); } static void cyber2000fb_set_timing(struct cfb_info *cfb, struct par_info *hw) diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c index 7d8c55d7fd2..ca3355e430b 100644 --- a/drivers/video/gbefb.c +++ b/drivers/video/gbefb.c @@ -91,10 +91,10 @@ static uint32_t pseudo_palette[16]; static uint32_t gbe_cmap[256]; static int gbe_turned_on; /* 0 turned off, 1 turned on */ -static char *mode_option __initdata = NULL; +static char *mode_option __devinitdata = NULL; /* default CRT mode */ -static struct fb_var_screeninfo default_var_CRT __initdata = { +static struct fb_var_screeninfo default_var_CRT __devinitdata = { /* 640x480, 60 Hz, Non-Interlaced (25.175 MHz dotclock) */ .xres = 640, .yres = 480, @@ -125,7 +125,7 @@ static struct fb_var_screeninfo default_var_CRT __initdata = { }; /* default LCD mode */ -static struct fb_var_screeninfo default_var_LCD __initdata = { +static struct fb_var_screeninfo default_var_LCD __devinitdata = { /* 1600x1024, 8 bpp */ .xres = 1600, .yres = 1024, @@ -157,7 +157,7 @@ static struct fb_var_screeninfo default_var_LCD __initdata = { /* default modedb mode */ /* 640x480, 60 Hz, Non-Interlaced (25.172 MHz dotclock) */ -static struct fb_videomode default_mode_CRT __initdata = { +static struct fb_videomode default_mode_CRT __devinitdata = { .refresh = 60, .xres = 640, .yres = 480, @@ -172,7 +172,7 @@ static struct fb_videomode default_mode_CRT __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; /* 1600x1024 SGI flatpanel 1600sw */ -static struct fb_videomode default_mode_LCD __initdata = { +static struct fb_videomode default_mode_LCD __devinitdata = { /* 1600x1024, 8 bpp */ .xres = 1600, .yres = 1024, @@ -186,8 +186,8 @@ static struct fb_videomode default_mode_LCD __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_videomode *default_mode __initdata = &default_mode_CRT; -static struct fb_var_screeninfo *default_var __initdata = &default_var_CRT; +static struct fb_videomode *default_mode __devinitdata = &default_mode_CRT; +static struct fb_var_screeninfo *default_var __devinitdata = &default_var_CRT; static int flat_panel_enabled = 0; @@ -1098,7 +1098,7 @@ static void gbefb_create_sysfs(struct device *dev) * Initialization */ -static int __init gbefb_setup(char *options) +static int __devinit gbefb_setup(char *options) { char *this_opt; diff --git a/drivers/video/pmag-ba-fb.c b/drivers/video/pmag-ba-fb.c index 0f361b6100d..0c69fa20251 100644 --- a/drivers/video/pmag-ba-fb.c +++ b/drivers/video/pmag-ba-fb.c @@ -44,7 +44,7 @@ struct pmagbafb_par { }; -static struct fb_var_screeninfo pmagbafb_defined __initdata = { +static struct fb_var_screeninfo pmagbafb_defined __devinitdata = { .xres = 1024, .yres = 864, .xres_virtual = 1024, @@ -68,7 +68,7 @@ static struct fb_var_screeninfo pmagbafb_defined __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_fix_screeninfo pmagbafb_fix __initdata = { +static struct fb_fix_screeninfo pmagbafb_fix __devinitdata = { .id = "PMAG-BA", .smem_len = (1024 * 1024), .type = FB_TYPE_PACKED_PIXELS, @@ -142,7 +142,7 @@ static void __init pmagbafb_erase_cursor(struct fb_info *info) } -static int __init pmagbafb_probe(struct device *dev) +static int __devinit pmagbafb_probe(struct device *dev) { struct tc_dev *tdev = to_tc_dev(dev); resource_size_t start, len; diff --git a/drivers/video/pmagb-b-fb.c b/drivers/video/pmagb-b-fb.c index 2de0806421b..22fcb9a3d5c 100644 --- a/drivers/video/pmagb-b-fb.c +++ b/drivers/video/pmagb-b-fb.c @@ -45,7 +45,7 @@ struct pmagbbfb_par { }; -static struct fb_var_screeninfo pmagbbfb_defined __initdata = { +static struct fb_var_screeninfo pmagbbfb_defined __devinitdata = { .bits_per_pixel = 8, .red.length = 8, .green.length = 8, @@ -58,7 +58,7 @@ static struct fb_var_screeninfo pmagbbfb_defined __initdata = { .vmode = FB_VMODE_NONINTERLACED, }; -static struct fb_fix_screeninfo pmagbbfb_fix __initdata = { +static struct fb_fix_screeninfo pmagbbfb_fix __devinitdata = { .id = "PMAGB-BA", .smem_len = (2048 * 1024), .type = FB_TYPE_PACKED_PIXELS, @@ -148,7 +148,7 @@ static void __init pmagbbfb_erase_cursor(struct fb_info *info) /* * Set up screen parameters. */ -static void __init pmagbbfb_screen_setup(struct fb_info *info) +static void __devinit pmagbbfb_screen_setup(struct fb_info *info) { struct pmagbbfb_par *par = info->par; @@ -180,9 +180,9 @@ static void __init pmagbbfb_screen_setup(struct fb_info *info) /* * Determine oscillator configuration. */ -static void __init pmagbbfb_osc_setup(struct fb_info *info) +static void __devinit pmagbbfb_osc_setup(struct fb_info *info) { - static unsigned int pmagbbfb_freqs[] __initdata = { + static unsigned int pmagbbfb_freqs[] __devinitdata = { 130808, 119843, 104000, 92980, 74370, 72800, 69197, 66000, 65000, 50350, 36000, 32000, 25175 }; @@ -247,7 +247,7 @@ static void __init pmagbbfb_osc_setup(struct fb_info *info) }; -static int __init pmagbbfb_probe(struct device *dev) +static int __devinit pmagbbfb_probe(struct device *dev) { struct tc_dev *tdev = to_tc_dev(dev); resource_size_t start, len; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index afe7e21dd0a..1475ed6b575 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -164,7 +164,8 @@ int virtqueue_add_buf_gfp(struct virtqueue *_vq, gfp_t gfp) { struct vring_virtqueue *vq = to_vvq(_vq); - unsigned int i, avail, head, uninitialized_var(prev); + unsigned int i, avail, uninitialized_var(prev); + int head; START_USE(vq); @@ -174,7 +175,7 @@ int virtqueue_add_buf_gfp(struct virtqueue *_vq, * buffers, then go indirect. FIXME: tune this threshold */ if (vq->indirect && (out + in) > 1 && vq->num_free) { head = vring_add_indirect(vq, sg, out, in, gfp); - if (head != vq->vring.num) + if (likely(head >= 0)) goto add_head; } diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c index d61e3b28ce3..36d961f342a 100644 --- a/fs/9p/vfs_dir.c +++ b/fs/9p/vfs_dir.c @@ -146,7 +146,7 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir) while (rdir->head < rdir->tail) { p9stat_init(&st); err = p9stat_read(rdir->buf + rdir->head, - buflen - rdir->head, &st, + rdir->tail - rdir->head, &st, fid->clnt->proto_version); if (err) { P9_DPRINTK(P9_DEBUG_VFS, "returned %d\n", err); diff --git a/fs/ceph/Kconfig b/fs/ceph/Kconfig index 04b8280582a..bc87b9c1d27 100644 --- a/fs/ceph/Kconfig +++ b/fs/ceph/Kconfig @@ -2,7 +2,7 @@ config CEPH_FS tristate "Ceph distributed file system (EXPERIMENTAL)" depends on INET && EXPERIMENTAL select LIBCRC32C - select CONFIG_CRYPTO_AES + select CRYPTO_AES help Choose Y or M here to include support for mounting the experimental Ceph distributed file system. Ceph is an extremely diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 74144d6389f..b81be9a5648 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -627,7 +627,7 @@ retry: if (fmode >= 0) __ceph_get_fmode(ci, fmode); spin_unlock(&inode->i_lock); - wake_up(&ci->i_cap_wq); + wake_up_all(&ci->i_cap_wq); return 0; } @@ -1181,7 +1181,7 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap, } if (wake) - wake_up(&ci->i_cap_wq); + wake_up_all(&ci->i_cap_wq); return delayed; } @@ -2153,7 +2153,7 @@ void ceph_put_cap_refs(struct ceph_inode_info *ci, int had) else if (flushsnaps) ceph_flush_snaps(ci); if (wake) - wake_up(&ci->i_cap_wq); + wake_up_all(&ci->i_cap_wq); if (put) iput(inode); } @@ -2229,7 +2229,7 @@ void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr, iput(inode); } else if (complete_capsnap) { ceph_flush_snaps(ci); - wake_up(&ci->i_cap_wq); + wake_up_all(&ci->i_cap_wq); } if (drop_capsnap) iput(inode); @@ -2405,7 +2405,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, if (queue_invalidate) ceph_queue_invalidate(inode); if (wake) - wake_up(&ci->i_cap_wq); + wake_up_all(&ci->i_cap_wq); if (check_caps == 1) ceph_check_caps(ci, CHECK_CAPS_NODELAY|CHECK_CAPS_AUTHONLY, @@ -2460,7 +2460,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid, struct ceph_inode_info, i_flushing_item)->vfs_inode); mdsc->num_cap_flushing--; - wake_up(&mdsc->cap_flushing_wq); + wake_up_all(&mdsc->cap_flushing_wq); dout(" inode %p now !flushing\n", inode); if (ci->i_dirty_caps == 0) { @@ -2472,7 +2472,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid, } } spin_unlock(&mdsc->cap_dirty_lock); - wake_up(&ci->i_cap_wq); + wake_up_all(&ci->i_cap_wq); out: spin_unlock(&inode->i_lock); @@ -2984,6 +2984,7 @@ int ceph_encode_dentry_release(void **p, struct dentry *dentry, memcpy(*p, dentry->d_name.name, dentry->d_name.len); *p += dentry->d_name.len; rel->dname_seq = cpu_to_le32(di->lease_seq); + __ceph_mdsc_drop_dentry_lease(dentry); } spin_unlock(&dentry->d_lock); return ret; diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index f85719310db..f94ed3c7f6a 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -266,6 +266,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir) spin_lock(&inode->i_lock); if ((filp->f_pos == 2 || fi->dentry) && !ceph_test_opt(client, NOASYNCREADDIR) && + ceph_snap(inode) != CEPH_SNAPDIR && (ci->i_ceph_flags & CEPH_I_COMPLETE) && __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1)) { err = __dcache_readdir(filp, dirent, filldir); @@ -1013,18 +1014,22 @@ out_touch: /* * When a dentry is released, clear the dir I_COMPLETE if it was part - * of the current dir gen. + * of the current dir gen or if this is in the snapshot namespace. */ static void ceph_dentry_release(struct dentry *dentry) { struct ceph_dentry_info *di = ceph_dentry(dentry); struct inode *parent_inode = dentry->d_parent->d_inode; + u64 snapid = ceph_snap(parent_inode); - if (parent_inode) { + dout("dentry_release %p parent %p\n", dentry, parent_inode); + + if (parent_inode && snapid != CEPH_SNAPDIR) { struct ceph_inode_info *ci = ceph_inode(parent_inode); spin_lock(&parent_inode->i_lock); - if (ci->i_shared_gen == di->lease_shared_gen) { + if (ci->i_shared_gen == di->lease_shared_gen || + snapid <= CEPH_MAXSNAP) { dout(" clearing %p complete (d_release)\n", parent_inode); ci->i_ceph_flags &= ~CEPH_I_COMPLETE; @@ -1241,7 +1246,9 @@ struct dentry_operations ceph_dentry_ops = { struct dentry_operations ceph_snapdir_dentry_ops = { .d_revalidate = ceph_snapdir_d_revalidate, + .d_release = ceph_dentry_release, }; struct dentry_operations ceph_snap_dentry_ops = { + .d_release = ceph_dentry_release, }; diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 6251a1574b9..7c08698fad3 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -265,7 +265,7 @@ int ceph_release(struct inode *inode, struct file *file) kmem_cache_free(ceph_file_cachep, cf); /* wake up anyone waiting for caps on this inode */ - wake_up(&ci->i_cap_wq); + wake_up_all(&ci->i_cap_wq); return 0; } diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 8f9b9fe8ef9..389f9dbd994 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -1199,8 +1199,10 @@ retry_lookup: goto out; } err = ceph_init_dentry(dn); - if (err < 0) + if (err < 0) { + dput(dn); goto out; + } } else if (dn->d_inode && (ceph_ino(dn->d_inode) != vino.ino || ceph_snap(dn->d_inode) != vino.snap)) { @@ -1499,7 +1501,7 @@ retry: if (wrbuffer_refs == 0) ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL); if (wake) - wake_up(&ci->i_cap_wq); + wake_up_all(&ci->i_cap_wq); } diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 416c08d315d..dd440bd438a 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -868,7 +868,7 @@ static int wake_up_session_cb(struct inode *inode, struct ceph_cap *cap, { struct ceph_inode_info *ci = ceph_inode(inode); - wake_up(&ci->i_cap_wq); + wake_up_all(&ci->i_cap_wq); if (arg) { spin_lock(&inode->i_lock); ci->i_wanted_max_size = 0; @@ -1564,7 +1564,7 @@ static void complete_request(struct ceph_mds_client *mdsc, if (req->r_callback) req->r_callback(mdsc, req); else - complete(&req->r_completion); + complete_all(&req->r_completion); } /* @@ -1932,7 +1932,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg) if (head->safe) { req->r_got_safe = true; __unregister_request(mdsc, req); - complete(&req->r_safe_completion); + complete_all(&req->r_safe_completion); if (req->r_got_unsafe) { /* @@ -1947,7 +1947,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg) /* last unsafe request during umount? */ if (mdsc->stopping && !__get_oldest_req(mdsc)) - complete(&mdsc->safe_umount_waiters); + complete_all(&mdsc->safe_umount_waiters); mutex_unlock(&mdsc->mutex); goto out; } @@ -2126,7 +2126,7 @@ static void handle_session(struct ceph_mds_session *session, pr_info("mds%d reconnect denied\n", session->s_mds); remove_session_caps(session); wake = 1; /* for good measure */ - complete(&mdsc->session_close_waiters); + complete_all(&mdsc->session_close_waiters); kick_requests(mdsc, mds); break; diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c index cc115eafae1..54fe01c5070 100644 --- a/fs/ceph/mon_client.c +++ b/fs/ceph/mon_client.c @@ -345,7 +345,7 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc, out: mutex_unlock(&monc->mutex); - wake_up(&client->auth_wq); + wake_up_all(&client->auth_wq); } /* @@ -462,7 +462,7 @@ static void handle_statfs_reply(struct ceph_mon_client *monc, } mutex_unlock(&monc->mutex); if (req) { - complete(&req->completion); + complete_all(&req->completion); put_generic_request(req); } return; @@ -718,7 +718,7 @@ static void handle_auth_reply(struct ceph_mon_client *monc, monc->m_auth->front_max); if (ret < 0) { monc->client->auth_err = ret; - wake_up(&monc->client->auth_wq); + wake_up_all(&monc->client->auth_wq); } else if (ret > 0) { __send_prepared_auth_request(monc, ret); } else if (!was_auth && monc->auth->ops->is_authenticated(monc->auth)) { diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c index 92b7251a53f..e3852234789 100644 --- a/fs/ceph/osd_client.c +++ b/fs/ceph/osd_client.c @@ -862,12 +862,12 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, if (req->r_callback) req->r_callback(req, msg); else - complete(&req->r_completion); + complete_all(&req->r_completion); if (flags & CEPH_OSD_FLAG_ONDISK) { if (req->r_safe_callback) req->r_safe_callback(req, msg); - complete(&req->r_safe_completion); /* fsync waiter */ + complete_all(&req->r_safe_completion); /* fsync waiter */ } done: @@ -1083,7 +1083,7 @@ done: if (newmap) kick_requests(osdc, NULL); up_read(&osdc->map_sem); - wake_up(&osdc->client->auth_wq); + wake_up_all(&osdc->client->auth_wq); return; bad: diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c index 277f8b33957..416d46adbf8 100644 --- a/fs/ceph/osdmap.c +++ b/fs/ceph/osdmap.c @@ -831,12 +831,13 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, /* remove any? */ while (rbp && pgid_cmp(rb_entry(rbp, struct ceph_pg_mapping, node)->pgid, pgid) <= 0) { - struct rb_node *cur = rbp; + struct ceph_pg_mapping *cur = + rb_entry(rbp, struct ceph_pg_mapping, node); + rbp = rb_next(rbp); - dout(" removed pg_temp %llx\n", - *(u64 *)&rb_entry(cur, struct ceph_pg_mapping, - node)->pgid); - rb_erase(cur, &map->pg_temp); + dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid); + rb_erase(&cur->node, &map->pg_temp); + kfree(cur); } if (pglen) { @@ -852,19 +853,22 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, for (j = 0; j < pglen; j++) pg->osds[j] = ceph_decode_32(p); err = __insert_pg_mapping(pg, &map->pg_temp); - if (err) + if (err) { + kfree(pg); goto bad; + } dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid, pglen); } } while (rbp) { - struct rb_node *cur = rbp; + struct ceph_pg_mapping *cur = + rb_entry(rbp, struct ceph_pg_mapping, node); + rbp = rb_next(rbp); - dout(" removed pg_temp %llx\n", - *(u64 *)&rb_entry(cur, struct ceph_pg_mapping, - node)->pgid); - rb_erase(cur, &map->pg_temp); + dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid); + rb_erase(&cur->node, &map->pg_temp); + kfree(cur); } /* ignore the rest */ diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 484e52bb40b..2cb1a70214d 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -923,7 +923,7 @@ init_cifs(void) goto out_unregister_filesystem; #endif #ifdef CONFIG_CIFS_DFS_UPCALL - rc = register_key_type(&key_type_dns_resolver); + rc = cifs_init_dns_resolver(); if (rc) goto out_unregister_key_type; #endif @@ -935,7 +935,7 @@ init_cifs(void) out_unregister_resolver_key: #ifdef CONFIG_CIFS_DFS_UPCALL - unregister_key_type(&key_type_dns_resolver); + cifs_exit_dns_resolver(); out_unregister_key_type: #endif #ifdef CONFIG_CIFS_UPCALL @@ -961,7 +961,7 @@ exit_cifs(void) cifs_proc_clean(); #ifdef CONFIG_CIFS_DFS_UPCALL cifs_dfs_release_automount_timer(); - unregister_key_type(&key_type_dns_resolver); + cifs_exit_dns_resolver(); #endif #ifdef CONFIG_CIFS_UPCALL unregister_key_type(&cifs_spnego_key_type); diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c index 4db2c5e7283..853a968e82d 100644 --- a/fs/cifs/dns_resolve.c +++ b/fs/cifs/dns_resolve.c @@ -24,12 +24,16 @@ */ #include <linux/slab.h> +#include <linux/keyctl.h> +#include <linux/key-type.h> #include <keys/user-type.h> #include "dns_resolve.h" #include "cifsglob.h" #include "cifsproto.h" #include "cifs_debug.h" +static const struct cred *dns_resolver_cache; + /* Checks if supplied name is IP address * returns: * 1 - name is IP @@ -94,6 +98,7 @@ struct key_type key_type_dns_resolver = { int dns_resolve_server_name_to_ip(const char *unc, char **ip_addr) { + const struct cred *saved_cred; int rc = -EAGAIN; struct key *rkey = ERR_PTR(-EAGAIN); char *name; @@ -133,8 +138,15 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr) goto skip_upcall; } + saved_cred = override_creds(dns_resolver_cache); rkey = request_key(&key_type_dns_resolver, name, ""); + revert_creds(saved_cred); if (!IS_ERR(rkey)) { + if (!(rkey->perm & KEY_USR_VIEW)) { + down_read(&rkey->sem); + rkey->perm |= KEY_USR_VIEW; + up_read(&rkey->sem); + } len = rkey->type_data.x[0]; data = rkey->payload.data; } else { @@ -165,4 +177,61 @@ out: return rc; } +int __init cifs_init_dns_resolver(void) +{ + struct cred *cred; + struct key *keyring; + int ret; + + printk(KERN_NOTICE "Registering the %s key type\n", + key_type_dns_resolver.name); + + /* create an override credential set with a special thread keyring in + * which DNS requests are cached + * + * this is used to prevent malicious redirections from being installed + * with add_key(). + */ + cred = prepare_kernel_cred(NULL); + if (!cred) + return -ENOMEM; + + keyring = key_alloc(&key_type_keyring, ".dns_resolver", 0, 0, cred, + (KEY_POS_ALL & ~KEY_POS_SETATTR) | + KEY_USR_VIEW | KEY_USR_READ, + KEY_ALLOC_NOT_IN_QUOTA); + if (IS_ERR(keyring)) { + ret = PTR_ERR(keyring); + goto failed_put_cred; + } + + ret = key_instantiate_and_link(keyring, NULL, 0, NULL, NULL); + if (ret < 0) + goto failed_put_key; + + ret = register_key_type(&key_type_dns_resolver); + if (ret < 0) + goto failed_put_key; + + /* instruct request_key() to use this special keyring as a cache for + * the results it looks up */ + cred->thread_keyring = keyring; + cred->jit_keyring = KEY_REQKEY_DEFL_THREAD_KEYRING; + dns_resolver_cache = cred; + return 0; + +failed_put_key: + key_put(keyring); +failed_put_cred: + put_cred(cred); + return ret; +} +void cifs_exit_dns_resolver(void) +{ + key_revoke(dns_resolver_cache->thread_keyring); + unregister_key_type(&key_type_dns_resolver); + put_cred(dns_resolver_cache); + printk(KERN_NOTICE "Unregistered %s key type\n", + key_type_dns_resolver.name); +} diff --git a/fs/cifs/dns_resolve.h b/fs/cifs/dns_resolve.h index 966e9288930..5d7f291df16 100644 --- a/fs/cifs/dns_resolve.h +++ b/fs/cifs/dns_resolve.h @@ -24,8 +24,8 @@ #define _DNS_RESOLVE_H #ifdef __KERNEL__ -#include <linux/key-type.h> -extern struct key_type key_type_dns_resolver; +extern int __init cifs_init_dns_resolver(void); +extern void cifs_exit_dns_resolver(void); extern int dns_resolve_server_name_to_ip(const char *unc, char **ip_addr); #endif /* KERNEL */ diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c index 2d8dbce9d48..46c4dd8dfcc 100644 --- a/fs/ecryptfs/messaging.c +++ b/fs/ecryptfs/messaging.c @@ -31,9 +31,9 @@ static struct mutex ecryptfs_msg_ctx_lists_mux; static struct hlist_head *ecryptfs_daemon_hash; struct mutex ecryptfs_daemon_hash_mux; -static int ecryptfs_hash_buckets; +static int ecryptfs_hash_bits; #define ecryptfs_uid_hash(uid) \ - hash_long((unsigned long)uid, ecryptfs_hash_buckets) + hash_long((unsigned long)uid, ecryptfs_hash_bits) static u32 ecryptfs_msg_counter; static struct ecryptfs_msg_ctx *ecryptfs_msg_ctx_arr; @@ -486,18 +486,19 @@ int ecryptfs_init_messaging(void) } mutex_init(&ecryptfs_daemon_hash_mux); mutex_lock(&ecryptfs_daemon_hash_mux); - ecryptfs_hash_buckets = 1; - while (ecryptfs_number_of_users >> ecryptfs_hash_buckets) - ecryptfs_hash_buckets++; + ecryptfs_hash_bits = 1; + while (ecryptfs_number_of_users >> ecryptfs_hash_bits) + ecryptfs_hash_bits++; ecryptfs_daemon_hash = kmalloc((sizeof(struct hlist_head) - * ecryptfs_hash_buckets), GFP_KERNEL); + * (1 << ecryptfs_hash_bits)), + GFP_KERNEL); if (!ecryptfs_daemon_hash) { rc = -ENOMEM; printk(KERN_ERR "%s: Failed to allocate memory\n", __func__); mutex_unlock(&ecryptfs_daemon_hash_mux); goto out; } - for (i = 0; i < ecryptfs_hash_buckets; i++) + for (i = 0; i < (1 << ecryptfs_hash_bits); i++) INIT_HLIST_HEAD(&ecryptfs_daemon_hash[i]); mutex_unlock(&ecryptfs_daemon_hash_mux); ecryptfs_msg_ctx_arr = kmalloc((sizeof(struct ecryptfs_msg_ctx) @@ -554,7 +555,7 @@ void ecryptfs_release_messaging(void) int i; mutex_lock(&ecryptfs_daemon_hash_mux); - for (i = 0; i < ecryptfs_hash_buckets; i++) { + for (i = 0; i < (1 << ecryptfs_hash_bits); i++) { int rc; hlist_for_each_entry(daemon, elem, diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 26ca3361a8b..6b48d7c268b 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -1231,6 +1231,25 @@ static int do_filldir_main(struct gfs2_inode *dip, u64 *offset, return 0; } +static void *gfs2_alloc_sort_buffer(unsigned size) +{ + void *ptr = NULL; + + if (size < KMALLOC_MAX_SIZE) + ptr = kmalloc(size, GFP_NOFS | __GFP_NOWARN); + if (!ptr) + ptr = __vmalloc(size, GFP_NOFS, PAGE_KERNEL); + return ptr; +} + +static void gfs2_free_sort_buffer(void *ptr) +{ + if (is_vmalloc_addr(ptr)) + vfree(ptr); + else + kfree(ptr); +} + static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque, filldir_t filldir, int *copied, unsigned *depth, u64 leaf_no) @@ -1271,7 +1290,7 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque, * 99 is the maximum number of entries that can fit in a single * leaf block. */ - larr = vmalloc((leaves + entries + 99) * sizeof(void *)); + larr = gfs2_alloc_sort_buffer((leaves + entries + 99) * sizeof(void *)); if (!larr) goto out; darr = (const struct gfs2_dirent **)(larr + leaves); @@ -1282,7 +1301,7 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque, do { error = get_leaf(ip, lfn, &bh); if (error) - goto out_kfree; + goto out_free; lf = (struct gfs2_leaf *)bh->b_data; lfn = be64_to_cpu(lf->lf_next); if (lf->lf_entries) { @@ -1291,7 +1310,7 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque, gfs2_dirent_gather, NULL, &g); error = PTR_ERR(dent); if (IS_ERR(dent)) - goto out_kfree; + goto out_free; if (entries2 != g.offset) { fs_warn(sdp, "Number of entries corrupt in dir " "leaf %llu, entries2 (%u) != " @@ -1300,7 +1319,7 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque, entries2, g.offset); error = -EIO; - goto out_kfree; + goto out_free; } error = 0; larr[leaf++] = bh; @@ -1312,10 +1331,10 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque, BUG_ON(entries2 != entries); error = do_filldir_main(ip, offset, opaque, filldir, darr, entries, copied); -out_kfree: +out_free: for(i = 0; i < leaf; i++) brelse(larr[i]); - vfree(larr); + gfs2_free_sort_buffer(larr); out: return error; } diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 36a5e74f51b..f036153d9f5 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -27,6 +27,7 @@ #include <linux/pagemap.h> #include <linux/aio.h> #include <linux/gfp.h> +#include <linux/swap.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -493,11 +494,19 @@ static void nfs_invalidate_page(struct page *page, unsigned long offset) */ static int nfs_release_page(struct page *page, gfp_t gfp) { + struct address_space *mapping = page->mapping; + dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page); /* Only do I/O if gfp is a superset of GFP_KERNEL */ - if ((gfp & GFP_KERNEL) == GFP_KERNEL) - nfs_wb_page(page->mapping->host, page); + if (mapping && (gfp & GFP_KERNEL) == GFP_KERNEL) { + int how = FLUSH_SYNC; + + /* Don't let kswapd deadlock waiting for OOM RPC calls */ + if (current_is_kswapd()) + how = 0; + nfs_commit_inode(mapping->host, how); + } /* If PagePrivate() is set, then the page is not freeable */ if (PagePrivate(page)) return 0; diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c index 6bd19d843af..df101d9f546 100644 --- a/fs/nfs/nfsroot.c +++ b/fs/nfs/nfsroot.c @@ -105,7 +105,7 @@ static char nfs_root_name[256] __initdata = ""; static __be32 servaddr __initdata = 0; /* Name of directory to mount */ -static char nfs_export_path[NFS_MAXPATHLEN] __initdata = { 0, }; +static char nfs_export_path[NFS_MAXPATHLEN + 1] __initdata = { 0, }; /* NFS-related data */ static struct nfs_mount_data nfs_data __initdata = { 0, };/* NFS mount info */ diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 91679e2631e..9f81bdd91c5 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -222,7 +222,7 @@ static void nfs_end_page_writeback(struct page *page) clear_bdi_congested(&nfss->backing_dev_info, BLK_RW_ASYNC); } -static struct nfs_page *nfs_find_and_lock_request(struct page *page) +static struct nfs_page *nfs_find_and_lock_request(struct page *page, bool nonblock) { struct inode *inode = page->mapping->host; struct nfs_page *req; @@ -241,7 +241,10 @@ static struct nfs_page *nfs_find_and_lock_request(struct page *page) * request as dirty (in which case we don't care). */ spin_unlock(&inode->i_lock); - ret = nfs_wait_on_request(req); + if (!nonblock) + ret = nfs_wait_on_request(req); + else + ret = -EAGAIN; nfs_release_request(req); if (ret != 0) return ERR_PTR(ret); @@ -256,12 +259,12 @@ static struct nfs_page *nfs_find_and_lock_request(struct page *page) * May return an error if the user signalled nfs_wait_on_request(). */ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio, - struct page *page) + struct page *page, bool nonblock) { struct nfs_page *req; int ret = 0; - req = nfs_find_and_lock_request(page); + req = nfs_find_and_lock_request(page, nonblock); if (!req) goto out; ret = PTR_ERR(req); @@ -283,12 +286,20 @@ out: static int nfs_do_writepage(struct page *page, struct writeback_control *wbc, struct nfs_pageio_descriptor *pgio) { struct inode *inode = page->mapping->host; + int ret; nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGE); nfs_add_stats(inode, NFSIOS_WRITEPAGES, 1); nfs_pageio_cond_complete(pgio, page->index); - return nfs_page_async_flush(pgio, page); + ret = nfs_page_async_flush(pgio, page, + wbc->sync_mode == WB_SYNC_NONE || + wbc->nonblocking != 0); + if (ret == -EAGAIN) { + redirty_page_for_writepage(wbc, page); + ret = 0; + } + return ret; } /* @@ -1379,7 +1390,7 @@ static const struct rpc_call_ops nfs_commit_ops = { .rpc_release = nfs_commit_release, }; -static int nfs_commit_inode(struct inode *inode, int how) +int nfs_commit_inode(struct inode *inode, int how) { LIST_HEAD(head); int may_wait = how & FLUSH_SYNC; @@ -1443,11 +1454,6 @@ out_mark_dirty: return ret; } #else -static int nfs_commit_inode(struct inode *inode, int how) -{ - return 0; -} - static int nfs_commit_unstable_pages(struct inode *inode, struct writeback_control *wbc) { return 0; @@ -1546,7 +1552,7 @@ int nfs_migrate_page(struct address_space *mapping, struct page *newpage, nfs_fscache_release_page(page, GFP_KERNEL); - req = nfs_find_and_lock_request(page); + req = nfs_find_and_lock_request(page, false); ret = PTR_ERR(req); if (IS_ERR(req)) goto out; diff --git a/fs/proc/array.c b/fs/proc/array.c index 9b58d38bc91..fff6572676a 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -176,7 +176,7 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns, if (tracer) tpid = task_pid_nr_ns(tracer, ns); } - cred = get_cred((struct cred *) __task_cred(p)); + cred = get_task_cred(p); seq_printf(m, "State:\t%s\n" "Tgid:\t%d\n" diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index f71246bebfe..a7ac78f8e67 100644 --- a/fs/sysfs/symlink.c +++ b/fs/sysfs/symlink.c @@ -28,6 +28,7 @@ static int sysfs_do_create_link(struct kobject *kobj, struct kobject *target, struct sysfs_dirent *target_sd = NULL; struct sysfs_dirent *sd = NULL; struct sysfs_addrm_cxt acxt; + enum kobj_ns_type ns_type; int error; BUG_ON(!name); @@ -58,16 +59,29 @@ static int sysfs_do_create_link(struct kobject *kobj, struct kobject *target, if (!sd) goto out_put; - if (sysfs_ns_type(parent_sd)) + ns_type = sysfs_ns_type(parent_sd); + if (ns_type) sd->s_ns = target->ktype->namespace(target); sd->s_symlink.target_sd = target_sd; target_sd = NULL; /* reference is now owned by the symlink */ sysfs_addrm_start(&acxt, parent_sd); - if (warn) - error = sysfs_add_one(&acxt, sd); - else - error = __sysfs_add_one(&acxt, sd); + /* Symlinks must be between directories with the same ns_type */ + if (!ns_type || + (ns_type == sysfs_ns_type(sd->s_symlink.target_sd->s_parent))) { + if (warn) + error = sysfs_add_one(&acxt, sd); + else + error = __sysfs_add_one(&acxt, sd); + } else { + error = -EINVAL; + WARN(1, KERN_WARNING + "sysfs: symlink across ns_types %s/%s -> %s/%s\n", + parent_sd->s_name, + sd->s_name, + sd->s_symlink.target_sd->s_parent->s_name, + sd->s_symlink.target_sd->s_name); + } sysfs_addrm_finish(&acxt); if (error) @@ -122,7 +136,7 @@ void sysfs_delete_link(struct kobject *kobj, struct kobject *targ, { const void *ns = NULL; spin_lock(&sysfs_assoc_lock); - if (targ->sd) + if (targ->sd && sysfs_ns_type(kobj->sd)) ns = targ->sd->s_ns; spin_unlock(&sysfs_assoc_lock); sysfs_hash_and_remove(kobj->sd, ns, name); diff --git a/include/acpi/processor.h b/include/acpi/processor.h index da565a48240..a68ca8a11a5 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -48,7 +48,7 @@ struct acpi_power_register { u8 space_id; u8 bit_width; u8 bit_offset; - u8 reserved; + u8 access_size; u64 address; } __attribute__ ((packed)); @@ -63,6 +63,7 @@ struct acpi_processor_cx { u32 power; u32 usage; u64 time; + u8 bm_sts_skip; char desc[ACPI_CX_DESC_LEN]; }; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 415b1a9118e..853aa871fc6 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -63,6 +63,12 @@ /* Align . to a 8 byte boundary equals to maximum function alignment. */ #define ALIGN_FUNCTION() . = ALIGN(8) +/* + * Align to a 32 byte boundary equal to the + * alignment gcc 4.5 uses for a struct + */ +#define STRUCT_ALIGN() . = ALIGN(32) + /* The actual configuration determine if the init/exit sections * are handled as text/data or they can be discarded (which * often happens at runtime) @@ -162,7 +168,11 @@ LIKELY_PROFILE() \ BRANCH_PROFILE() \ TRACE_PRINTKS() \ + \ + STRUCT_ALIGN(); \ FTRACE_EVENTS() \ + \ + STRUCT_ALIGN(); \ TRACE_SYSCALLS() /* @@ -431,7 +441,7 @@ */ #define INIT_TASK_DATA_SECTION(align) \ . = ALIGN(align); \ - .data..init_task : { \ + .data..init_task : AT(ADDR(.data..init_task) - LOAD_OFFSET) { \ INIT_TASK_DATA(align) \ } diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 224a38c960d..ccf94dc5acd 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -253,7 +253,7 @@ int acpi_resources_are_enforced(void); #ifdef CONFIG_PM_SLEEP void __init acpi_no_s4_hw_signature(void); void __init acpi_old_suspend_ordering(void); -void __init acpi_s4_no_nvs(void); +void __init acpi_nvs_nosave(void); #endif /* CONFIG_PM_SLEEP */ struct acpi_osc_context { diff --git a/include/linux/cred.h b/include/linux/cred.h index 75c0fa88130..4d2c39573f3 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -153,6 +153,7 @@ struct cred { extern void __put_cred(struct cred *); extern void exit_creds(struct task_struct *); extern int copy_creds(struct task_struct *, unsigned long); +extern const struct cred *get_task_cred(struct task_struct *); extern struct cred *cred_alloc_blank(void); extern struct cred *prepare_creds(void); extern struct cred *prepare_exec_creds(void); @@ -273,33 +274,18 @@ static inline void put_cred(const struct cred *_cred) * @task: The task to query * * Access the objective credentials of a task. The caller must hold the RCU - * readlock. + * readlock or the task must be dead and unable to change its own credentials. * - * The caller must make sure task doesn't go away, either by holding a ref on - * task or by holding tasklist_lock to prevent it from being unlinked. + * The result of this function should not be passed directly to get_cred(); + * rather get_task_cred() should be used instead. */ -#define __task_cred(task) \ - ((const struct cred *)(rcu_dereference_check((task)->real_cred, rcu_read_lock_held() || lockdep_tasklist_lock_is_held()))) - -/** - * get_task_cred - Get another task's objective credentials - * @task: The task to query - * - * Get the objective credentials of a task, pinning them so that they can't go - * away. Accessing a task's credentials directly is not permitted. - * - * The caller must make sure task doesn't go away, either by holding a ref on - * task or by holding tasklist_lock to prevent it from being unlinked. - */ -#define get_task_cred(task) \ -({ \ - struct cred *__cred; \ - rcu_read_lock(); \ - __cred = (struct cred *) __task_cred((task)); \ - get_cred(__cred); \ - rcu_read_unlock(); \ - __cred; \ -}) +#define __task_cred(task) \ + ({ \ + const struct task_struct *__t = (task); \ + rcu_dereference_check(__t->real_cred, \ + rcu_read_lock_held() || \ + task_is_dead(__t)); \ + }) /** * get_current_cred - Get the current task's subjective credentials diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h index 9ea047aca79..1ffaeffeff7 100644 --- a/include/linux/if_macvlan.h +++ b/include/linux/if_macvlan.h @@ -67,6 +67,8 @@ static inline void macvlan_count_rx(const struct macvlan_dev *vlan, } } +extern void macvlan_common_setup(struct net_device *dev); + extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[], int (*receive)(struct sk_buff *skb), diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 77c2ae53431..bad4d121b16 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -493,8 +493,15 @@ extern int nfs_wb_all(struct inode *inode); extern int nfs_wb_page(struct inode *inode, struct page* page); extern int nfs_wb_page_cancel(struct inode *inode, struct page* page); #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) +extern int nfs_commit_inode(struct inode *, int); extern struct nfs_write_data *nfs_commitdata_alloc(void); extern void nfs_commit_free(struct nfs_write_data *wdata); +#else +static inline int +nfs_commit_inode(struct inode *inode, int how) +{ + return 0; +} #endif static inline int diff --git a/include/linux/regulator/tps6507x.h b/include/linux/regulator/tps6507x.h new file mode 100644 index 00000000000..4892f591bab --- /dev/null +++ b/include/linux/regulator/tps6507x.h @@ -0,0 +1,32 @@ +/* + * tps6507x.h -- Voltage regulation for the Texas Instruments TPS6507X + * + * Copyright (C) 2010 Texas Instruments, Inc. + * + * 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 + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef REGULATOR_TPS6507X +#define REGULATOR_TPS6507X + +/** + * tps6507x_reg_platform_data - platform data for tps6507x + * @defdcdc_default: Defines whether DCDC high or the low register controls + * output voltage by default. Valid for DCDC2 and DCDC3 outputs only. + */ +struct tps6507x_reg_platform_data { + bool defdcdc_default; +}; + +#endif diff --git a/include/linux/sched.h b/include/linux/sched.h index f751ea9dcb7..7b6ec63cb74 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -214,6 +214,7 @@ extern char ___assert_task_state[1 - 2*!!( #define task_is_traced(task) ((task->state & __TASK_TRACED) != 0) #define task_is_stopped(task) ((task->state & __TASK_STOPPED) != 0) +#define task_is_dead(task) ((task)->exit_state != 0) #define task_is_stopped_or_traced(task) \ ((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0) #define task_contributes_to_load(task) \ diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h index 4496322e28d..609e8ca5f53 100644 --- a/include/linux/sysrq.h +++ b/include/linux/sysrq.h @@ -45,6 +45,7 @@ struct sysrq_key_op { */ void handle_sysrq(int key, struct tty_struct *tty); +void __handle_sysrq(int key, struct tty_struct *tty, int check_mask); int register_sysrq_key(int key, struct sysrq_key_op *op); int unregister_sysrq_key(int key, struct sysrq_key_op *op); struct sysrq_key_op *__sysrq_get_key_op(int key); diff --git a/include/net/tc_act/tc_mirred.h b/include/net/tc_act/tc_mirred.h index ceac661cdfd..cfe2943690f 100644 --- a/include/net/tc_act/tc_mirred.h +++ b/include/net/tc_act/tc_mirred.h @@ -9,6 +9,7 @@ struct tcf_mirred { int tcfm_ifindex; int tcfm_ok_push; struct net_device *tcfm_dev; + struct list_head tcfm_list; }; #define to_mirred(pc) \ container_of(pc, struct tcf_mirred, common) diff --git a/kernel/cred.c b/kernel/cred.c index a2d5504fbcc..60bc8b1e32e 100644 --- a/kernel/cred.c +++ b/kernel/cred.c @@ -209,6 +209,31 @@ void exit_creds(struct task_struct *tsk) } } +/** + * get_task_cred - Get another task's objective credentials + * @task: The task to query + * + * Get the objective credentials of a task, pinning them so that they can't go + * away. Accessing a task's credentials directly is not permitted. + * + * The caller must also make sure task doesn't get deleted, either by holding a + * ref on task or by holding tasklist_lock to prevent it from being unlinked. + */ +const struct cred *get_task_cred(struct task_struct *task) +{ + const struct cred *cred; + + rcu_read_lock(); + + do { + cred = __task_cred((task)); + BUG_ON(!cred); + } while (!atomic_inc_not_zero(&((struct cred *)cred)->usage)); + + rcu_read_unlock(); + return cred; +} + /* * Allocate blank credentials, such that the credentials can be filled in at a * later date without risk of ENOMEM. diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c index 5cb7cd1de10..8bc5eeffec8 100644 --- a/kernel/debug/debug_core.c +++ b/kernel/debug/debug_core.c @@ -605,13 +605,13 @@ cpu_master_loop: if (dbg_kdb_mode) { kgdb_connected = 1; error = kdb_stub(ks); + kgdb_connected = 0; } else { error = gdb_serial_stub(ks); } if (error == DBG_PASS_EVENT) { dbg_kdb_mode = !dbg_kdb_mode; - kgdb_connected = 0; } else if (error == DBG_SWITCH_CPU_EVENT) { dbg_cpu_switch(cpu, dbg_switch_cpu); goto cpu_loop; diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c index 4b17b326952..e8fd6868682 100644 --- a/kernel/debug/gdbstub.c +++ b/kernel/debug/gdbstub.c @@ -621,10 +621,8 @@ static void gdb_cmd_query(struct kgdb_state *ks) switch (remcom_in_buffer[1]) { case 's': case 'f': - if (memcmp(remcom_in_buffer + 2, "ThreadInfo", 10)) { - error_packet(remcom_out_buffer, -EINVAL); + if (memcmp(remcom_in_buffer + 2, "ThreadInfo", 10)) break; - } i = 0; remcom_out_buffer[0] = 'm'; @@ -665,10 +663,9 @@ static void gdb_cmd_query(struct kgdb_state *ks) pack_threadid(remcom_out_buffer + 2, thref); break; case 'T': - if (memcmp(remcom_in_buffer + 1, "ThreadExtraInfo,", 16)) { - error_packet(remcom_out_buffer, -EINVAL); + if (memcmp(remcom_in_buffer + 1, "ThreadExtraInfo,", 16)) break; - } + ks->threadid = 0; ptr = remcom_in_buffer + 17; kgdb_hex2long(&ptr, &ks->threadid); diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index 184cd8209c3..ebe4a287419 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -1820,9 +1820,8 @@ static int kdb_sr(int argc, const char **argv) { if (argc != 1) return KDB_ARGCOUNT; - sysrq_toggle_support(1); kdb_trap_printk++; - handle_sysrq(*argv[1], NULL); + __handle_sysrq(*argv[1], NULL, 0); kdb_trap_printk--; return 0; @@ -1883,6 +1882,7 @@ static int kdb_lsmod(int argc, const char **argv) kdb_printf(" (Loading)"); else kdb_printf(" (Live)"); + kdb_printf(" 0x%p", mod->module_core); #ifdef CONFIG_MODULE_UNLOAD { @@ -2291,6 +2291,9 @@ static int kdb_ll(int argc, const char **argv) while (va) { char buf[80]; + if (KDB_FLAG(CMD_INTERRUPT)) + return 0; + sprintf(buf, "%s " kdb_machreg_fmt "\n", command, va); diag = kdb_parse(buf); if (diag) diff --git a/kernel/module.c b/kernel/module.c index 5d2d28197c8..6c562828c85 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -787,7 +787,6 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user, /* Store the name of the last unloaded module for diagnostic purposes */ strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module)); - ddebug_remove_module(mod->name); free_module(mod); return 0; @@ -1550,6 +1549,9 @@ static void free_module(struct module *mod) remove_sect_attrs(mod); mod_kobject_remove(mod); + /* Remove dynamic debug info */ + ddebug_remove_module(mod->name); + /* Arch-specific cleanup. */ module_arch_cleanup(mod); diff --git a/mm/memory.c b/mm/memory.c index 119b7ccdf39..bde42c6d363 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1394,10 +1394,20 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, return i ? : -EFAULT; } if (pages) { - struct page *page = vm_normal_page(gate_vma, start, *pte); + struct page *page; + + page = vm_normal_page(gate_vma, start, *pte); + if (!page) { + if (!(gup_flags & FOLL_DUMP) && + is_zero_pfn(pte_pfn(*pte))) + page = pte_page(*pte); + else { + pte_unmap(pte); + return i ? : -EFAULT; + } + } pages[i] = page; - if (page) - get_page(page); + get_page(page); } pte_unmap(pte); if (vmas) diff --git a/net/core/dev.c b/net/core/dev.c index 0ea10f849be..1f466e82ac3 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1488,6 +1488,7 @@ static inline void net_timestamp_check(struct sk_buff *skb) int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) { skb_orphan(skb); + nf_reset(skb); if (!(dev->flags & IFF_UP) || (skb->len > (dev->mtu + dev->hard_header_len))) { diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 34432b4e96b..ce88293a34e 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -843,7 +843,9 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, skb->network_header += off; if (skb_mac_header_was_set(skb)) skb->mac_header += off; - skb->csum_start += nhead; + /* Only adjust this if it actually is csum_start rather than csum */ + if (skb->ip_summed == CHECKSUM_PARTIAL) + skb->csum_start += nhead; skb->cloned = 0; skb->hdr_len = 0; skb->nohdr = 0; @@ -930,7 +932,8 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb, copy_skb_header(n, skb); off = newheadroom - oldheadroom; - n->csum_start += off; + if (n->ip_summed == CHECKSUM_PARTIAL) + n->csum_start += off; #ifdef NET_SKBUFF_DATA_USES_OFFSET n->transport_header += off; n->network_header += off; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index e1a698df570..784f34d11fd 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1760,7 +1760,10 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev) idev = ipv6_find_idev(dev); if (!idev) - return NULL; + return ERR_PTR(-ENOBUFS); + + if (idev->cnf.disable_ipv6) + return ERR_PTR(-EACCES); /* Add default multicast route */ addrconf_add_mroute(dev); @@ -2129,8 +2132,9 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx, if (!dev) return -ENODEV; - if ((idev = addrconf_add_dev(dev)) == NULL) - return -ENOBUFS; + idev = addrconf_add_dev(dev); + if (IS_ERR(idev)) + return PTR_ERR(idev); scope = ipv6_addr_scope(pfx); @@ -2377,7 +2381,7 @@ static void addrconf_dev_config(struct net_device *dev) } idev = addrconf_add_dev(dev); - if (idev == NULL) + if (IS_ERR(idev)) return; memset(&addr, 0, sizeof(struct in6_addr)); @@ -2468,7 +2472,7 @@ static void addrconf_ip6_tnl_config(struct net_device *dev) ASSERT_RTNL(); idev = addrconf_add_dev(dev); - if (!idev) { + if (IS_ERR(idev)) { printk(KERN_DEBUG "init ip6-ip6: add_dev failed\n"); return; } diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c7000a6ca37..67ee34f57df 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -632,7 +632,7 @@ static void ieee80211_send_layer2_update(struct sta_info *sta) skb->dev = sta->sdata->dev; skb->protocol = eth_type_trans(skb, sta->sdata->dev); memset(skb->cb, 0, sizeof(skb->cb)); - netif_rx(skb); + netif_rx_ni(skb); } static void sta_apply_parameters(struct ieee80211_local *local, diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index c0b6863e3b8..1980b71c283 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -33,6 +33,7 @@ static struct tcf_common *tcf_mirred_ht[MIRRED_TAB_MASK + 1]; static u32 mirred_idx_gen; static DEFINE_RWLOCK(mirred_lock); +static LIST_HEAD(mirred_list); static struct tcf_hashinfo mirred_hash_info = { .htab = tcf_mirred_ht, @@ -47,7 +48,9 @@ static inline int tcf_mirred_release(struct tcf_mirred *m, int bind) m->tcf_bindcnt--; m->tcf_refcnt--; if(!m->tcf_bindcnt && m->tcf_refcnt <= 0) { - dev_put(m->tcfm_dev); + list_del(&m->tcfm_list); + if (m->tcfm_dev) + dev_put(m->tcfm_dev); tcf_hash_destroy(&m->common, &mirred_hash_info); return 1; } @@ -134,8 +137,10 @@ static int tcf_mirred_init(struct nlattr *nla, struct nlattr *est, m->tcfm_ok_push = ok_push; } spin_unlock_bh(&m->tcf_lock); - if (ret == ACT_P_CREATED) + if (ret == ACT_P_CREATED) { + list_add(&m->tcfm_list, &mirred_list); tcf_hash_insert(pc, &mirred_hash_info); + } return ret; } @@ -162,9 +167,14 @@ static int tcf_mirred(struct sk_buff *skb, struct tc_action *a, m->tcf_tm.lastuse = jiffies; dev = m->tcfm_dev; + if (!dev) { + printk_once(KERN_NOTICE "tc mirred: target device is gone\n"); + goto out; + } + if (!(dev->flags & IFF_UP)) { if (net_ratelimit()) - pr_notice("tc mirred to Houston: device %s is gone!\n", + pr_notice("tc mirred to Houston: device %s is down\n", dev->name); goto out; } @@ -232,6 +242,28 @@ nla_put_failure: return -1; } +static int mirred_device_event(struct notifier_block *unused, + unsigned long event, void *ptr) +{ + struct net_device *dev = ptr; + struct tcf_mirred *m; + + if (event == NETDEV_UNREGISTER) + list_for_each_entry(m, &mirred_list, tcfm_list) { + if (m->tcfm_dev == dev) { + dev_put(dev); + m->tcfm_dev = NULL; + } + } + + return NOTIFY_DONE; +} + +static struct notifier_block mirred_device_notifier = { + .notifier_call = mirred_device_event, +}; + + static struct tc_action_ops act_mirred_ops = { .kind = "mirred", .hinfo = &mirred_hash_info, @@ -252,12 +284,17 @@ MODULE_LICENSE("GPL"); static int __init mirred_init_module(void) { + int err = register_netdevice_notifier(&mirred_device_notifier); + if (err) + return err; + pr_info("Mirror/redirect action on\n"); return tcf_register_action(&act_mirred_ops); } static void __exit mirred_cleanup_module(void) { + unregister_netdevice_notifier(&mirred_device_notifier); tcf_unregister_action(&act_mirred_ops); } diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c index 115edb437fb..a9d9344e136 100644 --- a/scripts/kconfig/nconf.gui.c +++ b/scripts/kconfig/nconf.gui.c @@ -226,7 +226,7 @@ void fill_window(WINDOW *win, const char *text) int len = get_line_length(line); strncpy(tmp, line, min(len, x)); tmp[len] = '\0'; - mvwprintw(win, i, 0, tmp); + mvwprintw(win, i, 0, "%s", tmp); } } diff --git a/scripts/package/Makefile b/scripts/package/Makefile index cea12744a67..d0b931b994f 100644 --- a/scripts/package/Makefile +++ b/scripts/package/Makefile @@ -44,7 +44,7 @@ rpm-pkg rpm: $(objtree)/kernel.spec FORCE fi $(MAKE) clean $(PREV) ln -sf $(srctree) $(KERNELPATH) - $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion --scm-only > $(objtree)/.scmversion + $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion --save-scmversion $(PREV) tar -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(KERNELPATH)/. $(PREV) rm $(KERNELPATH) rm -f $(objtree)/.scmversion diff --git a/scripts/setlocalversion b/scripts/setlocalversion index d6a866ed183..64a9cb5556c 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -10,13 +10,13 @@ # usage() { - echo "Usage: $0 [--scm-only] [srctree]" >&2 + echo "Usage: $0 [--save-scmversion] [srctree]" >&2 exit 1 } scm_only=false srctree=. -if test "$1" = "--scm-only"; then +if test "$1" = "--save-scmversion"; then scm_only=true shift fi @@ -30,11 +30,12 @@ fi scm_version() { - local short=false + local short + short=false cd "$srctree" if test -e .scmversion; then - cat "$_" + cat .scmversion return fi if test "$1" = "--short"; then @@ -131,12 +132,15 @@ collect_files() } if $scm_only; then - scm_version + if test ! -e .scmversion; then + res=$(scm_version) + echo "$res" >.scmversion + fi exit fi if test -e include/config/auto.conf; then - source "$_" + . include/config/auto.conf else echo "Error: kernelrelease not valid - run 'make prepare' to update it" exit 1 diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 86067ee7863..2fc53961054 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -52,6 +52,10 @@ struct hdmi_spec { */ struct hda_multi_out multiout; unsigned int codec_type; + + /* misc flags */ + /* PD bit indicates only the update, not the current state */ + unsigned int old_pin_detect:1; }; @@ -616,6 +620,9 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid, * Unsolicited events */ +static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid, + struct hdmi_eld *eld); + static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) { struct hdmi_spec *spec = codec->spec; @@ -632,6 +639,12 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) if (index < 0) return; + if (spec->old_pin_detect) { + if (pind) + hdmi_present_sense(codec, tag, &spec->sink_eld[index]); + pind = spec->sink_eld[index].monitor_present; + } + spec->sink_eld[index].monitor_present = pind; spec->sink_eld[index].eld_valid = eldv; diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c index 3c10c0b149f..b0652acee9b 100644 --- a/sound/pci/hda/patch_nvhdmi.c +++ b/sound/pci/hda/patch_nvhdmi.c @@ -478,6 +478,7 @@ static int patch_nvhdmi_8ch_89(struct hda_codec *codec) codec->spec = spec; spec->codec_type = HDA_CODEC_NVIDIA_MCP89; + spec->old_pin_detect = 1; if (hdmi_parse_codec(codec) < 0) { codec->spec = NULL; @@ -508,6 +509,7 @@ static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) spec->multiout.max_channels = 8; spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x; spec->codec_type = HDA_CODEC_NVIDIA_MCP7X; + spec->old_pin_detect = 1; codec->patch_ops = nvhdmi_patch_ops_8ch_7x; @@ -528,6 +530,7 @@ static int patch_nvhdmi_2ch(struct hda_codec *codec) spec->multiout.max_channels = 2; spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x; spec->codec_type = HDA_CODEC_NVIDIA_MCP7X; + spec->old_pin_detect = 1; codec->patch_ops = nvhdmi_patch_ops_2ch; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index ff614dd824c..596ea2f12cf 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1267,11 +1267,11 @@ static int alc_auto_parse_customize_define(struct hda_codec *codec) unsigned nid = 0; struct alc_spec *spec = codec->spec; + spec->cdefine.enable_pcbeep = 1; /* assume always enabled */ + ass = codec->subsystem_id & 0xffff; - if (ass != codec->bus->pci->subsystem_device && (ass & 1)) { - spec->cdefine.enable_pcbeep = 1; /* assume always enabled */ + if (ass != codec->bus->pci->subsystem_device && (ass & 1)) goto do_sku; - } nid = 0x1d; if (codec->vendor_id == 0x10ec0260) @@ -5180,8 +5180,24 @@ static void fillup_priv_adc_nids(struct hda_codec *codec, hda_nid_t *nids, #ifdef CONFIG_SND_HDA_INPUT_BEEP #define set_beep_amp(spec, nid, idx, dir) \ ((spec)->beep_amp = HDA_COMPOSE_AMP_VAL(nid, 3, idx, dir)) + +static struct snd_pci_quirk beep_white_list[] = { + SND_PCI_QUIRK(0x1043, 0x829f, "ASUS", 1), + {} +}; + +static inline int has_cdefine_beep(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + const struct snd_pci_quirk *q; + q = snd_pci_quirk_lookup(codec->bus->pci, beep_white_list); + if (q) + return q->value; + return spec->cdefine.enable_pcbeep; +} #else #define set_beep_amp(spec, nid, idx, dir) /* NOP */ +#define has_cdefine_beep(codec) 0 #endif /* @@ -10566,10 +10582,12 @@ static int patch_alc882(struct hda_codec *codec) } } - err = snd_hda_attach_beep_device(codec, 0x1); - if (err < 0) { - alc_free(codec); - return err; + if (has_cdefine_beep(codec)) { + err = snd_hda_attach_beep_device(codec, 0x1); + if (err < 0) { + alc_free(codec); + return err; + } } if (board_config != ALC882_AUTO) @@ -10619,7 +10637,7 @@ static int patch_alc882(struct hda_codec *codec) set_capture_mixer(codec); - if (spec->cdefine.enable_pcbeep) + if (has_cdefine_beep(codec)) set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT); if (board_config == ALC882_AUTO) @@ -12435,7 +12453,7 @@ static int patch_alc262(struct hda_codec *codec) } } - if (!spec->no_analog) { + if (!spec->no_analog && has_cdefine_beep(codec)) { err = snd_hda_attach_beep_device(codec, 0x1); if (err < 0) { alc_free(codec); @@ -12486,7 +12504,7 @@ static int patch_alc262(struct hda_codec *codec) } if (!spec->cap_mixer && !spec->no_analog) set_capture_mixer(codec); - if (!spec->no_analog && spec->cdefine.enable_pcbeep) + if (!spec->no_analog && has_cdefine_beep(codec)) set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT); spec->vmaster_nid = 0x0c; @@ -14458,10 +14476,12 @@ static int patch_alc269(struct hda_codec *codec) } } - err = snd_hda_attach_beep_device(codec, 0x1); - if (err < 0) { - alc_free(codec); - return err; + if (has_cdefine_beep(codec)) { + err = snd_hda_attach_beep_device(codec, 0x1); + if (err < 0) { + alc_free(codec); + return err; + } } if (board_config != ALC269_AUTO) @@ -14494,7 +14514,7 @@ static int patch_alc269(struct hda_codec *codec) if (!spec->cap_mixer) set_capture_mixer(codec); - if (spec->cdefine.enable_pcbeep) + if (has_cdefine_beep(codec)) set_beep_amp(spec, 0x0b, 0x04, HDA_INPUT); if (board_config == ALC269_AUTO) @@ -18691,10 +18711,12 @@ static int patch_alc662(struct hda_codec *codec) } } - err = snd_hda_attach_beep_device(codec, 0x1); - if (err < 0) { - alc_free(codec); - return err; + if (has_cdefine_beep(codec)) { + err = snd_hda_attach_beep_device(codec, 0x1); + if (err < 0) { + alc_free(codec); + return err; + } } if (board_config != ALC662_AUTO) @@ -18716,7 +18738,7 @@ static int patch_alc662(struct hda_codec *codec) if (!spec->cap_mixer) set_capture_mixer(codec); - if (spec->cdefine.enable_pcbeep) { + if (has_cdefine_beep(codec)) { switch (codec->vendor_id) { case 0x10ec0662: set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT); diff --git a/sound/soc/au1x/psc-i2s.c b/sound/soc/au1x/psc-i2s.c index 495be6e7193..24454c98d0e 100644 --- a/sound/soc/au1x/psc-i2s.c +++ b/sound/soc/au1x/psc-i2s.c @@ -300,7 +300,7 @@ struct snd_soc_dai au1xpsc_i2s_dai = { }; EXPORT_SYMBOL(au1xpsc_i2s_dai); -static int __init au1xpsc_i2s_drvprobe(struct platform_device *pdev) +static int __devinit au1xpsc_i2s_drvprobe(struct platform_device *pdev) { struct resource *r; unsigned long sel; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index d0f07f7bdf1..a6cea2894d1 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1050,13 +1050,17 @@ static int hist_entry__parse_objdump_line(struct hist_entry *self, FILE *file, * Parse hexa addresses followed by ':' */ line_ip = strtoull(tmp, &tmp2, 16); - if (*tmp2 != ':' || tmp == tmp2) + if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') line_ip = -1; } if (line_ip != -1) { - u64 start = map__rip_2objdump(self->ms.map, sym->start); + u64 start = map__rip_2objdump(self->ms.map, sym->start), + end = map__rip_2objdump(self->ms.map, sym->end); + offset = line_ip - start; + if (offset < 0 || (u64)line_ip > end) + offset = -1; } objdump_line = objdump_line__new(offset, line); diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 94cdf68440c..3b8c0050667 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1525,6 +1525,7 @@ static int map_groups__set_modules_path_dir(struct map_groups *self, { struct dirent *dent; DIR *dir = opendir(dir_name); + int ret = 0; if (!dir) { pr_debug("%s: cannot open %s dir\n", __func__, dir_name); @@ -1547,8 +1548,9 @@ static int map_groups__set_modules_path_dir(struct map_groups *self, snprintf(path, sizeof(path), "%s/%s", dir_name, dent->d_name); - if (map_groups__set_modules_path_dir(self, path) < 0) - goto failure; + ret = map_groups__set_modules_path_dir(self, path); + if (ret < 0) + goto out; } else { char *dot = strrchr(dent->d_name, '.'), dso_name[PATH_MAX]; @@ -1569,18 +1571,19 @@ static int map_groups__set_modules_path_dir(struct map_groups *self, dir_name, dent->d_name); long_name = strdup(path); - if (long_name == NULL) - goto failure; + if (long_name == NULL) { + ret = -1; + goto out; + } dso__set_long_name(map->dso, long_name); map->dso->lname_alloc = 1; dso__kernel_module_get_build_id(map->dso, ""); } } - return 0; -failure: +out: closedir(dir); - return -1; + return ret; } static char *get_kernel_version(const char *root_dir) |