diff options
60 files changed, 652 insertions, 250 deletions
diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt index b6ed61c95856..7c163477fcd8 100644 --- a/Documentation/cgroups/memory.txt +++ b/Documentation/cgroups/memory.txt @@ -52,8 +52,10 @@ Brief summary of control files. tasks # attach a task(thread) and show list of threads cgroup.procs # show list of processes cgroup.event_control # an interface for event_fd() - memory.usage_in_bytes # show current memory(RSS+Cache) usage. - memory.memsw.usage_in_bytes # show current memory+Swap usage + memory.usage_in_bytes # show current res_counter usage for memory + (See 5.5 for details) + memory.memsw.usage_in_bytes # show current res_counter usage for memory+Swap + (See 5.5 for details) memory.limit_in_bytes # set/show limit of memory usage memory.memsw.limit_in_bytes # set/show limit of memory+Swap usage memory.failcnt # show the number of memory usage hits limits @@ -453,6 +455,15 @@ memory under it will be reclaimed. You can reset failcnt by writing 0 to failcnt file. # echo 0 > .../memory.failcnt +5.5 usage_in_bytes + +For efficiency, as other kernel components, memory cgroup uses some optimization +to avoid unnecessary cacheline false sharing. usage_in_bytes is affected by the +method and doesn't show 'exact' value of memory(and swap) usage, it's an fuzz +value for efficient access. (Of course, when necessary, it's synchronized.) +If you want to know more exact memory usage, you should use RSS+CACHE(+SWAP) +value in memory.stat(see 5.2). + 6. Hierarchy support The memory controller supports a deep hierarchy and hierarchical accounting. diff --git a/Documentation/hwmon/adm1021 b/Documentation/hwmon/adm1021 index 03d02bfb3df1..02ad96cf9b2b 100644 --- a/Documentation/hwmon/adm1021 +++ b/Documentation/hwmon/adm1021 @@ -14,10 +14,6 @@ Supported chips: Prefix: 'gl523sm' Addresses scanned: I2C 0x18 - 0x1a, 0x29 - 0x2b, 0x4c - 0x4e Datasheet: - * Intel Xeon Processor - Prefix: - any other - may require 'force_adm1021' parameter - Addresses scanned: none - Datasheet: Publicly available at Intel website * Maxim MAX1617 Prefix: 'max1617' Addresses scanned: I2C 0x18 - 0x1a, 0x29 - 0x2b, 0x4c - 0x4e @@ -91,21 +87,27 @@ will do no harm, but will return 'old' values. It is possible to make ADM1021-clones do faster measurements, but there is really no good reason for that. -Xeon support ------------- -Some Xeon processors have real max1617, adm1021, or compatible chips -within them, with two temperature sensors. +Netburst-based Xeon support +--------------------------- -Other Xeons have chips with only one sensor. +Some Xeon processors based on the Netburst (early Pentium 4, from 2001 to +2003) microarchitecture had real MAX1617, ADM1021, or compatible chips +within them, with two temperature sensors. Other Xeon processors of this +era (with 400 MHz FSB) had chips with only one temperature sensor. -If you have a Xeon, and the adm1021 module loads, and both temperatures -appear valid, then things are good. +If you have such an old Xeon, and you get two valid temperatures when +loading the adm1021 module, then things are good. -If the adm1021 module doesn't load, you should try this: - modprobe adm1021 force_adm1021=BUS,ADDRESS - ADDRESS can only be 0x18, 0x1a, 0x29, 0x2b, 0x4c, or 0x4e. +If nothing happens when loading the adm1021 module, and you are certain +that your specific Xeon processor model includes compatible sensors, you +will have to explicitly instantiate the sensor chips from user-space. See +method 4 in Documentation/i2c/instantiating-devices. Possible slave +addresses are 0x18, 0x1a, 0x29, 0x2b, 0x4c, or 0x4e. It is likely that +only temp2 will be correct and temp1 will have to be ignored. -If you have dual Xeons you may have appear to have two separate -adm1021-compatible chips, or two single-temperature sensors, at distinct -addresses. +Previous generations of the Xeon processor (based on Pentium II/III) +didn't have these sensors. Next generations of Xeon processors (533 MHz +FSB and faster) lost them, until the Core-based generation which +introduced integrated digital thermal sensors. These are supported by +the coretemp driver. diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90 index fa475c0a48a3..f3efd18e87f4 100644 --- a/Documentation/hwmon/lm90 +++ b/Documentation/hwmon/lm90 @@ -32,6 +32,16 @@ Supported chips: Addresses scanned: I2C 0x4c and 0x4d Datasheet: Publicly available at the ON Semiconductor website http://www.onsemi.com/PowerSolutions/product.do?id=ADT7461 + * Analog Devices ADT7461A + Prefix: 'adt7461a' + Addresses scanned: I2C 0x4c and 0x4d + Datasheet: Publicly available at the ON Semiconductor website + http://www.onsemi.com/PowerSolutions/product.do?id=ADT7461A + * ON Semiconductor NCT1008 + Prefix: 'nct1008' + Addresses scanned: I2C 0x4c and 0x4d + Datasheet: Publicly available at the ON Semiconductor website + http://www.onsemi.com/PowerSolutions/product.do?id=NCT1008 * Maxim MAX6646 Prefix: 'max6646' Addresses scanned: I2C 0x4d @@ -149,7 +159,7 @@ ADM1032: * ALERT is triggered by open remote sensor. * SMBus PEC support for Write Byte and Receive Byte transactions. -ADT7461: +ADT7461, ADT7461A, NCT1008: * Extended temperature range (breaks compatibility) * Lower resolution for remote temperature @@ -195,9 +205,9 @@ are exported, one for each channel, but these values are of course linked. Only the local hysteresis can be set from user-space, and the same delta applies to the remote hysteresis. -The lm90 driver will not update its values more frequently than every -other second; reading them more often will do no harm, but will return -'old' values. +The lm90 driver will not update its values more frequently than configured with +the update_interval attribute; reading them more often will do no harm, but will +return 'old' values. SMBus Alert Support ------------------- @@ -205,11 +215,12 @@ SMBus Alert Support This driver has basic support for SMBus alert. When an alert is received, the status register is read and the faulty temperature channel is logged. -The Analog Devices chips (ADM1032 and ADT7461) do not implement the SMBus -alert protocol properly so additional care is needed: the ALERT output is -disabled when an alert is received, and is re-enabled only when the alarm -is gone. Otherwise the chip would block alerts from other chips in the bus -as long as the alarm is active. +The Analog Devices chips (ADM1032, ADT7461 and ADT7461A) and ON +Semiconductor chips (NCT1008) do not implement the SMBus alert protocol +properly so additional care is needed: the ALERT output is disabled when +an alert is received, and is re-enabled only when the alarm is gone. +Otherwise the chip would block alerts from other chips in the bus as long +as the alarm is active. PEC Support ----------- diff --git a/MAINTAINERS b/MAINTAINERS index 13803127b68f..2199ba1323d2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1032,12 +1032,13 @@ W: http://www.fluff.org/ben/linux/ S: Maintained F: arch/arm/mach-s3c64xx/ -ARM/S5P ARM ARCHITECTURES +ARM/S5P EXYNOS ARM ARCHITECTURES M: Kukjin Kim <kgene.kim@samsung.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) S: Maintained F: arch/arm/mach-s5p*/ +F: arch/arm/mach-exynos*/ ARM/SAMSUNG MOBILE MACHINE SUPPORT M: Kyungmin Park <kyungmin.park@samsung.com> @@ -2808,7 +2809,7 @@ GPIO SUBSYSTEM M: Grant Likely <grant.likely@secretlab.ca> S: Maintained T: git git://git.secretlab.ca/git/linux-2.6.git -F: Documentation/gpio/gpio.txt +F: Documentation/gpio.txt F: drivers/gpio/ F: include/linux/gpio* @@ -6921,6 +6922,18 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86. S: Maintained F: drivers/platform/x86 +XEN HYPERVISOR INTERFACE +M: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> +M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> +L: xen-devel@lists.xensource.com (moderated for non-subscribers) +L: virtualization@lists.linux-foundation.org +S: Supported +F: arch/x86/xen/ +F: drivers/*/xen-*front.c +F: drivers/xen/ +F: arch/x86/include/asm/xen/ +F: include/xen/ + XEN NETWORK BACKEND DRIVER M: Ian Campbell <ian.campbell@citrix.com> L: xen-devel@lists.xensource.com (moderated for non-subscribers) @@ -6942,18 +6955,6 @@ S: Supported F: arch/x86/xen/*swiotlb* F: drivers/xen/*swiotlb* -XEN HYPERVISOR INTERFACE -M: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> -M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> -L: xen-devel@lists.xensource.com (moderated for non-subscribers) -L: virtualization@lists.linux-foundation.org -S: Supported -F: arch/x86/xen/ -F: drivers/*/xen-*front.c -F: drivers/xen/ -F: arch/x86/include/asm/xen/ -F: include/xen/ - XFS FILESYSTEM P: Silicon Graphics Inc M: Alex Elder <aelder@sgi.com> diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index a45cd6409686..512b15204450 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -68,7 +68,7 @@ obj-$(CONFIG_OMAP_SMARTREFLEX) += sr_device.o smartreflex.o obj-$(CONFIG_OMAP_SMARTREFLEX_CLASS3) += smartreflex-class3.o AFLAGS_sleep24xx.o :=-Wa,-march=armv6 -AFLAGS_sleep34xx.o :=-Wa,-march=armv7-a +AFLAGS_sleep34xx.o :=-Wa,-march=armv7-a$(plus_sec) ifeq ($(CONFIG_PM_VERBOSE),y) CFLAGS_pm_bus.o += -DDEBUG diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c index e964895b80e8..f8ba20a14e62 100644 --- a/arch/arm/mach-omap2/board-rx51.c +++ b/arch/arm/mach-omap2/board-rx51.c @@ -141,14 +141,19 @@ static void __init rx51_init(void) static void __init rx51_map_io(void) { omap2_set_globals_3xxx(); - rx51_video_mem_init(); omap34xx_map_common_io(); } +static void __init rx51_reserve(void) +{ + rx51_video_mem_init(); + omap_reserve(); +} + MACHINE_START(NOKIA_RX51, "Nokia RX-51 board") /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */ .boot_params = 0x80000100, - .reserve = omap_reserve, + .reserve = rx51_reserve, .map_io = rx51_map_io, .init_early = rx51_init_early, .init_irq = omap_init_irq, diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index 276992d3b7fb..8c965671b4d4 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -3116,14 +3116,9 @@ static struct omap_clk omap44xx_clks[] = { CLK(NULL, "dsp_fck", &dsp_fck, CK_443X), CLK("omapdss_dss", "sys_clk", &dss_sys_clk, CK_443X), CLK("omapdss_dss", "tv_clk", &dss_tv_clk, CK_443X), - CLK("omapdss_dss", "dss_clk", &dss_dss_clk, CK_443X), CLK("omapdss_dss", "video_clk", &dss_48mhz_clk, CK_443X), - CLK("omapdss_dss", "fck", &dss_fck, CK_443X), - /* - * On OMAP4, DSS ick is a dummy clock; this is needed for compatibility - * with OMAP2/3. - */ - CLK("omapdss_dss", "ick", &dummy_ck, CK_443X), + CLK("omapdss_dss", "fck", &dss_dss_clk, CK_443X), + CLK("omapdss_dss", "ick", &dss_fck, CK_443X), CLK(NULL, "efuse_ctrl_cust_fck", &efuse_ctrl_cust_fck, CK_443X), CLK(NULL, "emif1_fck", &emif1_fck, CK_443X), CLK(NULL, "emif2_fck", &emif2_fck, CK_443X), diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.c b/arch/arm/mach-omap2/cm2xxx_3xxx.c index 9d0dec806e92..38830d8d4783 100644 --- a/arch/arm/mach-omap2/cm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/cm2xxx_3xxx.c @@ -247,6 +247,7 @@ struct omap3_cm_regs { u32 per_cm_clksel; u32 emu_cm_clksel; u32 emu_cm_clkstctrl; + u32 pll_cm_autoidle; u32 pll_cm_autoidle2; u32 pll_cm_clksel4; u32 pll_cm_clksel5; @@ -319,6 +320,15 @@ void omap3_cm_save_context(void) omap2_cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSEL1); cm_context.emu_cm_clkstctrl = omap2_cm_read_mod_reg(OMAP3430_EMU_MOD, OMAP2_CM_CLKSTCTRL); + /* + * As per erratum i671, ROM code does not respect the PER DPLL + * programming scheme if CM_AUTOIDLE_PLL.AUTO_PERIPH_DPLL == 1. + * In this case, even though this register has been saved in + * scratchpad contents, we need to restore AUTO_PERIPH_DPLL + * by ourselves. So, we need to save it anyway. + */ + cm_context.pll_cm_autoidle = + omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE); cm_context.pll_cm_autoidle2 = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE2); cm_context.pll_cm_clksel4 = @@ -441,6 +451,13 @@ void omap3_cm_restore_context(void) CM_CLKSEL1); omap2_cm_write_mod_reg(cm_context.emu_cm_clkstctrl, OMAP3430_EMU_MOD, OMAP2_CM_CLKSTCTRL); + /* + * As per erratum i671, ROM code does not respect the PER DPLL + * programming scheme if CM_AUTOIDLE_PLL.AUTO_PERIPH_DPLL == 1. + * In this case, we need to restore AUTO_PERIPH_DPLL by ourselves. + */ + omap2_cm_write_mod_reg(cm_context.pll_cm_autoidle, PLL_MOD, + CM_AUTOIDLE); omap2_cm_write_mod_reg(cm_context.pll_cm_autoidle2, PLL_MOD, CM_AUTOIDLE2); omap2_cm_write_mod_reg(cm_context.pll_cm_clksel4, PLL_MOD, diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index 695279419020..da53ba3917ca 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -316,8 +316,14 @@ void omap3_save_scratchpad_contents(void) omap2_cm_read_mod_reg(WKUP_MOD, CM_CLKSEL); prcm_block_contents.cm_clken_pll = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKEN); + /* + * As per erratum i671, ROM code does not respect the PER DPLL + * programming scheme if CM_AUTOIDLE_PLL..AUTO_PERIPH_DPLL == 1. + * Then, in anycase, clear these bits to avoid extra latencies. + */ prcm_block_contents.cm_autoidle_pll = - omap2_cm_read_mod_reg(PLL_MOD, OMAP3430_CM_AUTOIDLE_PLL); + omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE) & + ~OMAP3430_AUTO_PERIPH_DPLL_MASK; prcm_block_contents.cm_clksel1_pll = omap2_cm_read_mod_reg(PLL_MOD, OMAP3430_CM_CLKSEL1_PLL); prcm_block_contents.cm_clksel2_pll = diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index 8eb3ce1bbfbe..c4d0ae87d62a 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -1639,6 +1639,7 @@ static struct omap_hwmod_ocp_if *omap2420_gpio1_slaves[] = { static struct omap_hwmod omap2420_gpio1_hwmod = { .name = "gpio1", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap242x_gpio1_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap242x_gpio1_irqs), .main_clk = "gpios_fck", @@ -1669,6 +1670,7 @@ static struct omap_hwmod_ocp_if *omap2420_gpio2_slaves[] = { static struct omap_hwmod omap2420_gpio2_hwmod = { .name = "gpio2", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap242x_gpio2_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap242x_gpio2_irqs), .main_clk = "gpios_fck", @@ -1699,6 +1701,7 @@ static struct omap_hwmod_ocp_if *omap2420_gpio3_slaves[] = { static struct omap_hwmod omap2420_gpio3_hwmod = { .name = "gpio3", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap242x_gpio3_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap242x_gpio3_irqs), .main_clk = "gpios_fck", @@ -1729,6 +1732,7 @@ static struct omap_hwmod_ocp_if *omap2420_gpio4_slaves[] = { static struct omap_hwmod omap2420_gpio4_hwmod = { .name = "gpio4", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap242x_gpio4_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap242x_gpio4_irqs), .main_clk = "gpios_fck", @@ -1782,7 +1786,7 @@ static struct omap_hwmod_irq_info omap2420_dma_system_irqs[] = { static struct omap_hwmod_addr_space omap2420_dma_system_addrs[] = { { .pa_start = 0x48056000, - .pa_end = 0x4a0560ff, + .pa_end = 0x48056fff, .flags = ADDR_TYPE_RT }, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index e6e3810db77f..9682dd519f8d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -1742,6 +1742,7 @@ static struct omap_hwmod_ocp_if *omap2430_gpio1_slaves[] = { static struct omap_hwmod omap2430_gpio1_hwmod = { .name = "gpio1", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap243x_gpio1_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio1_irqs), .main_clk = "gpios_fck", @@ -1772,6 +1773,7 @@ static struct omap_hwmod_ocp_if *omap2430_gpio2_slaves[] = { static struct omap_hwmod omap2430_gpio2_hwmod = { .name = "gpio2", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap243x_gpio2_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio2_irqs), .main_clk = "gpios_fck", @@ -1802,6 +1804,7 @@ static struct omap_hwmod_ocp_if *omap2430_gpio3_slaves[] = { static struct omap_hwmod omap2430_gpio3_hwmod = { .name = "gpio3", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap243x_gpio3_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio3_irqs), .main_clk = "gpios_fck", @@ -1832,6 +1835,7 @@ static struct omap_hwmod_ocp_if *omap2430_gpio4_slaves[] = { static struct omap_hwmod omap2430_gpio4_hwmod = { .name = "gpio4", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap243x_gpio4_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio4_irqs), .main_clk = "gpios_fck", @@ -1862,6 +1866,7 @@ static struct omap_hwmod_ocp_if *omap2430_gpio5_slaves[] = { static struct omap_hwmod omap2430_gpio5_hwmod = { .name = "gpio5", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap243x_gpio5_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio5_irqs), .main_clk = "gpio5_fck", @@ -1915,7 +1920,7 @@ static struct omap_hwmod_irq_info omap2430_dma_system_irqs[] = { static struct omap_hwmod_addr_space omap2430_dma_system_addrs[] = { { .pa_start = 0x48056000, - .pa_end = 0x4a0560ff, + .pa_end = 0x48056fff, .flags = ADDR_TYPE_RT }, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index b98e2dfcba28..909a84de6682 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -2141,6 +2141,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_gpio1_slaves[] = { static struct omap_hwmod omap3xxx_gpio1_hwmod = { .name = "gpio1", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap3xxx_gpio1_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio1_irqs), .main_clk = "gpio1_ick", @@ -2177,6 +2178,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_gpio2_slaves[] = { static struct omap_hwmod omap3xxx_gpio2_hwmod = { .name = "gpio2", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap3xxx_gpio2_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio2_irqs), .main_clk = "gpio2_ick", @@ -2213,6 +2215,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_gpio3_slaves[] = { static struct omap_hwmod omap3xxx_gpio3_hwmod = { .name = "gpio3", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap3xxx_gpio3_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio3_irqs), .main_clk = "gpio3_ick", @@ -2249,6 +2252,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_gpio4_slaves[] = { static struct omap_hwmod omap3xxx_gpio4_hwmod = { .name = "gpio4", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap3xxx_gpio4_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio4_irqs), .main_clk = "gpio4_ick", @@ -2285,6 +2289,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_gpio5_slaves[] = { static struct omap_hwmod omap3xxx_gpio5_hwmod = { .name = "gpio5", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap3xxx_gpio5_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio5_irqs), .main_clk = "gpio5_ick", @@ -2321,6 +2326,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_gpio6_slaves[] = { static struct omap_hwmod omap3xxx_gpio6_hwmod = { .name = "gpio6", + .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap3xxx_gpio6_irqs, .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio6_irqs), .main_clk = "gpio6_ick", @@ -2386,7 +2392,7 @@ static struct omap_hwmod_irq_info omap3xxx_dma_system_irqs[] = { static struct omap_hwmod_addr_space omap3xxx_dma_system_addrs[] = { { .pa_start = 0x48056000, - .pa_end = 0x4a0560ff, + .pa_end = 0x48056fff, .flags = ADDR_TYPE_RT }, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 3e88dd3f8ef3..abc548a0c98d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -885,7 +885,7 @@ static struct omap_hwmod_ocp_if *omap44xx_dma_system_masters[] = { static struct omap_hwmod_addr_space omap44xx_dma_system_addrs[] = { { .pa_start = 0x4a056000, - .pa_end = 0x4a0560ff, + .pa_end = 0x4a056fff, .flags = ADDR_TYPE_RT }, }; diff --git a/arch/arm/mach-omap2/omap_l3_smx.c b/arch/arm/mach-omap2/omap_l3_smx.c index 5f2da7565b68..4321e7938929 100644 --- a/arch/arm/mach-omap2/omap_l3_smx.c +++ b/arch/arm/mach-omap2/omap_l3_smx.c @@ -196,11 +196,11 @@ static irqreturn_t omap3_l3_app_irq(int irq, void *_l3) /* No timeout error for debug sources */ } - base = ((l3->rt) + (*(omap3_l3_bases[int_type] + err_source))); - /* identify the error source */ for (err_source = 0; !(status & (1 << err_source)); err_source++) ; + + base = l3->rt + *(omap3_l3_bases[int_type] + err_source); error = omap3_l3_readll(base, L3_ERROR_LOG); if (error) { diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 30af3351c2d6..49486f522dca 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -89,6 +89,7 @@ static void omap2_init_processor_devices(void) if (cpu_is_omap44xx()) { _init_omap_device("l3_main_1", &l3_dev); _init_omap_device("dsp", &dsp_dev); + _init_omap_device("iva", &iva_dev); } else { _init_omap_device("l3_main", &l3_dev); } diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c index 6fb520999b6e..0c1552d9d995 100644 --- a/arch/arm/mach-omap2/voltage.c +++ b/arch/arm/mach-omap2/voltage.c @@ -114,7 +114,6 @@ static int __init _config_common_vdd_data(struct omap_vdd_info *vdd) sys_clk_speed /= 1000; /* Generic voltage parameters */ - vdd->curr_volt = 1200000; vdd->volt_scale = vp_forceupdate_scale_voltage; vdd->vp_enabled = false; diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 02b7a03e4226..8b3db1c587fc 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -300,6 +300,8 @@ void __init paging_init(void) zones_size[ZONE_DMA] = m68k_memory[i].size >> PAGE_SHIFT; free_area_init_node(i, zones_size, m68k_memory[i].addr >> PAGE_SHIFT, NULL); + if (node_present_pages(i)) + node_set_state(i, N_NORMAL_MEMORY); } } diff --git a/arch/um/Kconfig.um b/arch/um/Kconfig.um index 90a438acbfaf..b5e675e370c6 100644 --- a/arch/um/Kconfig.um +++ b/arch/um/Kconfig.um @@ -47,7 +47,7 @@ config HOSTFS config HPPFS tristate "HoneyPot ProcFS (EXPERIMENTAL)" - depends on EXPERIMENTAL + depends on EXPERIMENTAL && PROC_FS help hppfs (HoneyPot ProcFS) is a filesystem which allows UML /proc entries to be overridden, removed, or fabricated from the host. diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h index e2cf786bda0a..5bd1bad33fab 100644 --- a/arch/um/include/asm/thread_info.h +++ b/arch/um/include/asm/thread_info.h @@ -49,7 +49,10 @@ static inline struct thread_info *current_thread_info(void) { struct thread_info *ti; unsigned long mask = THREAD_SIZE - 1; - ti = (struct thread_info *) (((unsigned long) &ti) & ~mask); + void *p; + + asm volatile ("" : "=r" (p) : "0" (&ti)); + ti = (struct thread_info *) (((unsigned long)p) & ~mask); return ti; } diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile index 804b28dd0328..b1da91c1b200 100644 --- a/arch/um/sys-i386/Makefile +++ b/arch/um/sys-i386/Makefile @@ -4,7 +4,7 @@ obj-y = bug.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \ ptrace_user.o setjmp.o signal.o stub.o stub_segv.o syscalls.o sysrq.o \ - sys_call_table.o tls.o + sys_call_table.o tls.o atomic64_cx8_32.o obj-$(CONFIG_BINFMT_ELF) += elfcore.o diff --git a/arch/um/sys-i386/atomic64_cx8_32.S b/arch/um/sys-i386/atomic64_cx8_32.S new file mode 100644 index 000000000000..1e901d3d4a95 --- /dev/null +++ b/arch/um/sys-i386/atomic64_cx8_32.S @@ -0,0 +1,225 @@ +/* + * atomic64_t for 586+ + * + * Copied from arch/x86/lib/atomic64_cx8_32.S + * + * Copyright © 2010 Luca Barbieri + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <linux/linkage.h> +#include <asm/alternative-asm.h> +#include <asm/dwarf2.h> + +.macro SAVE reg + pushl_cfi %\reg + CFI_REL_OFFSET \reg, 0 +.endm + +.macro RESTORE reg + popl_cfi %\reg + CFI_RESTORE \reg +.endm + +.macro read64 reg + movl %ebx, %eax + movl %ecx, %edx +/* we need LOCK_PREFIX since otherwise cmpxchg8b always does the write */ + LOCK_PREFIX + cmpxchg8b (\reg) +.endm + +ENTRY(atomic64_read_cx8) + CFI_STARTPROC + + read64 %ecx + ret + CFI_ENDPROC +ENDPROC(atomic64_read_cx8) + +ENTRY(atomic64_set_cx8) + CFI_STARTPROC + +1: +/* we don't need LOCK_PREFIX since aligned 64-bit writes + * are atomic on 586 and newer */ + cmpxchg8b (%esi) + jne 1b + + ret + CFI_ENDPROC +ENDPROC(atomic64_set_cx8) + +ENTRY(atomic64_xchg_cx8) + CFI_STARTPROC + + movl %ebx, %eax + movl %ecx, %edx +1: + LOCK_PREFIX + cmpxchg8b (%esi) + jne 1b + + ret + CFI_ENDPROC +ENDPROC(atomic64_xchg_cx8) + +.macro addsub_return func ins insc +ENTRY(atomic64_\func\()_return_cx8) + CFI_STARTPROC + SAVE ebp + SAVE ebx + SAVE esi + SAVE edi + + movl %eax, %esi + movl %edx, %edi + movl %ecx, %ebp + + read64 %ebp +1: + movl %eax, %ebx + movl %edx, %ecx + \ins\()l %esi, %ebx + \insc\()l %edi, %ecx + LOCK_PREFIX + cmpxchg8b (%ebp) + jne 1b + +10: + movl %ebx, %eax + movl %ecx, %edx + RESTORE edi + RESTORE esi + RESTORE ebx + RESTORE ebp + ret + CFI_ENDPROC +ENDPROC(atomic64_\func\()_return_cx8) +.endm + +addsub_return add add adc +addsub_return sub sub sbb + +.macro incdec_return func ins insc +ENTRY(atomic64_\func\()_return_cx8) + CFI_STARTPROC + SAVE ebx + + read64 %esi +1: + movl %eax, %ebx + movl %edx, %ecx + \ins\()l $1, %ebx + \insc\()l $0, %ecx + LOCK_PREFIX + cmpxchg8b (%esi) + jne 1b + +10: + movl %ebx, %eax + movl %ecx, %edx + RESTORE ebx + ret + CFI_ENDPROC +ENDPROC(atomic64_\func\()_return_cx8) +.endm + +incdec_return inc add adc +incdec_return dec sub sbb + +ENTRY(atomic64_dec_if_positive_cx8) + CFI_STARTPROC + SAVE ebx + + read64 %esi +1: + movl %eax, %ebx + movl %edx, %ecx + subl $1, %ebx + sbb $0, %ecx + js 2f + LOCK_PREFIX + cmpxchg8b (%esi) + jne 1b + +2: + movl %ebx, %eax + movl %ecx, %edx + RESTORE ebx + ret + CFI_ENDPROC +ENDPROC(atomic64_dec_if_positive_cx8) + +ENTRY(atomic64_add_unless_cx8) + CFI_STARTPROC + SAVE ebp + SAVE ebx +/* these just push these two parameters on the stack */ + SAVE edi + SAVE esi + + movl %ecx, %ebp + movl %eax, %esi + movl %edx, %edi + + read64 %ebp +1: + cmpl %eax, 0(%esp) + je 4f +2: + movl %eax, %ebx + movl %edx, %ecx + addl %esi, %ebx + adcl %edi, %ecx + LOCK_PREFIX + cmpxchg8b (%ebp) + jne 1b + + movl $1, %eax +3: + addl $8, %esp + CFI_ADJUST_CFA_OFFSET -8 + RESTORE ebx + RESTORE ebp + ret +4: + cmpl %edx, 4(%esp) + jne 2b + xorl %eax, %eax + jmp 3b + CFI_ENDPROC +ENDPROC(atomic64_add_unless_cx8) + +ENTRY(atomic64_inc_not_zero_cx8) + CFI_STARTPROC + SAVE ebx + + read64 %esi +1: + testl %eax, %eax + je 4f +2: + movl %eax, %ebx + movl %edx, %ecx + addl $1, %ebx + adcl $0, %ecx + LOCK_PREFIX + cmpxchg8b (%esi) + jne 1b + + movl $1, %eax +3: + RESTORE ebx + ret +4: + testl %edx, %edx + jne 2b + jmp 3b + CFI_ENDPROC +ENDPROC(atomic64_inc_not_zero_cx8) diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c index cae3feb1035e..db75d07c3645 100644 --- a/arch/x86/boot/memory.c +++ b/arch/x86/boot/memory.c @@ -91,7 +91,7 @@ static int detect_memory_e801(void) if (oreg.ax > 15*1024) { return -1; /* Bogus! */ } else if (oreg.ax == 15*1024) { - boot_params.alt_mem_k = (oreg.dx << 6) + oreg.ax; + boot_params.alt_mem_k = (oreg.bx << 6) + oreg.ax; } else { /* * This ignores memory above 16MB if we have a memory diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index c4bd267dfc50..a97a240f67f3 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -150,7 +150,7 @@ void setup_IO_APIC_irq_extra(u32 gsi); extern void ioapic_and_gsi_init(void); extern void ioapic_insert_resources(void); -int io_apic_setup_irq_pin(unsigned int irq, int node, struct io_apic_irq_attr *attr); +int io_apic_setup_irq_pin_once(unsigned int irq, int node, struct io_apic_irq_attr *attr); extern struct IO_APIC_route_entry **alloc_ioapic_entries(void); extern void free_ioapic_entries(struct IO_APIC_route_entry **ioapic_entries); diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 68df09bba92e..45fd33d1fd3a 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -128,8 +128,8 @@ static int __init parse_noapic(char *str) } early_param("noapic", parse_noapic); -static int io_apic_setup_irq_pin_once(unsigned int irq, int node, - struct io_apic_irq_attr *attr); +static int io_apic_setup_irq_pin(unsigned int irq, int node, + struct io_apic_irq_attr *attr); /* Will be called in mpparse/acpi/sfi codes for saving IRQ info */ void mp_save_irq(struct mpc_intsrc *m) @@ -3570,7 +3570,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) } #endif /* CONFIG_HT_IRQ */ -int +static int io_apic_setup_irq_pin(unsigned int irq, int node, struct io_apic_irq_attr *attr) { struct irq_cfg *cfg = alloc_irq_and_cfg_at(irq, node); @@ -3585,8 +3585,8 @@ io_apic_setup_irq_pin(unsigned int irq, int node, struct io_apic_irq_attr *attr) return ret; } -static int io_apic_setup_irq_pin_once(unsigned int irq, int node, - struct io_apic_irq_attr *attr) +int io_apic_setup_irq_pin_once(unsigned int irq, int node, + struct io_apic_irq_attr *attr) { unsigned int id = attr->ioapic, pin = attr->ioapic_pin; int ret; diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index 706a9fb46a58..e90f08458e6b 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -391,7 +391,7 @@ static int ioapic_xlate(struct irq_domain *id, const u32 *intspec, u32 intsize, set_io_apic_irq_attr(&attr, idx, line, it->trigger, it->polarity); - return io_apic_setup_irq_pin(*out_hwirq, cpu_to_node(0), &attr); + return io_apic_setup_irq_pin_once(*out_hwirq, cpu_to_node(0), &attr); } static void __init ioapic_add_ofnode(struct device_node *np) diff --git a/arch/x86/platform/ce4100/falconfalls.dts b/arch/x86/platform/ce4100/falconfalls.dts index 2d6d226f2b10..e70be38ce039 100644 --- a/arch/x86/platform/ce4100/falconfalls.dts +++ b/arch/x86/platform/ce4100/falconfalls.dts @@ -347,7 +347,7 @@ "pciclass0c03"; reg = <0x16800 0x0 0x0 0x0 0x0>; - interrupts = <22 3>; + interrupts = <22 1>; }; usb@d,1 { @@ -357,7 +357,7 @@ "pciclass0c03"; reg = <0x16900 0x0 0x0 0x0 0x0>; - interrupts = <22 3>; + interrupts = <22 1>; }; sata@e,0 { @@ -367,7 +367,7 @@ "pciclass0106"; reg = <0x17000 0x0 0x0 0x0 0x0>; - interrupts = <23 3>; + interrupts = <23 1>; }; flash@f,0 { diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index c58f691ec3ce..b493663c7ba7 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -24,6 +24,7 @@ config DRM_KMS_HELPER depends on DRM select FB select FRAMEBUFFER_CONSOLE if !EXPERT + select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE help FB and CRTC helpers for KMS drivers. diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 950720473967..11d7a72c22d9 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -342,9 +342,22 @@ int drm_fb_helper_debug_leave(struct fb_info *info) } EXPORT_SYMBOL(drm_fb_helper_debug_leave); +bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper) +{ + bool error = false; + int i, ret; + for (i = 0; i < fb_helper->crtc_count; i++) { + struct drm_mode_set *mode_set = &fb_helper->crtc_info[i].mode_set; + ret = drm_crtc_helper_set_config(mode_set); + if (ret) + error = true; + } + return error; +} +EXPORT_SYMBOL(drm_fb_helper_restore_fbdev_mode); + bool drm_fb_helper_force_kernel_mode(void) { - int i = 0; bool ret, error = false; struct drm_fb_helper *helper; @@ -352,12 +365,12 @@ bool drm_fb_helper_force_kernel_mode(void) return false; list_for_each_entry(helper, &kernel_fb_helper_list, kernel_fb_list) { - for (i = 0; i < helper->crtc_count; i++) { - struct drm_mode_set *mode_set = &helper->crtc_info[i].mode_set; - ret = drm_crtc_helper_set_config(mode_set); - if (ret) - error = true; - } + if (helper->dev->switch_power_state == DRM_SWITCH_POWER_OFF) + continue; + + ret = drm_fb_helper_restore_fbdev_mode(helper); + if (ret) + error = true; } return error; } diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 72730377a01b..12876f2795d2 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -2207,7 +2207,7 @@ void i915_driver_lastclose(struct drm_device * dev) drm_i915_private_t *dev_priv = dev->dev_private; if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) { - drm_fb_helper_restore(); + intel_fb_restore_mode(dev); vga_switcheroo_process_delayed_switch(); return; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index f5b0d8306d83..1d20712d527f 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -338,4 +338,5 @@ extern int intel_overlay_attrs(struct drm_device *dev, void *data, struct drm_file *file_priv); extern void intel_fb_output_poll_changed(struct drm_device *dev); +extern void intel_fb_restore_mode(struct drm_device *dev); #endif /* __INTEL_DRV_H__ */ diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index 512782728e51..ec49bae73382 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -264,3 +264,13 @@ void intel_fb_output_poll_changed(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper); } + +void intel_fb_restore_mode(struct drm_device *dev) +{ + int ret; + drm_i915_private_t *dev_priv = dev->dev_private; + + ret = drm_fb_helper_restore_fbdev_mode(&dev_priv->fbdev->helper); + if (ret) + DRM_DEBUG("failed to restore crtc mode\n"); +} diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index bf7d4c061451..871df0376b1c 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -221,6 +221,19 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) return -EINVAL; } break; + case RADEON_INFO_NUM_TILE_PIPES: + if (rdev->family >= CHIP_CAYMAN) + value = rdev->config.cayman.max_tile_pipes; + else if (rdev->family >= CHIP_CEDAR) + value = rdev->config.evergreen.max_tile_pipes; + else if (rdev->family >= CHIP_RV770) + value = rdev->config.rv770.max_tile_pipes; + else if (rdev->family >= CHIP_R600) + value = rdev->config.r600.max_tile_pipes; + else { + return -EINVAL; + } + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; diff --git a/drivers/gpu/drm/radeon/reg_srcs/r600 b/drivers/gpu/drm/radeon/reg_srcs/r600 index af0da4ae3f55..92f1900dc7ca 100644 --- a/drivers/gpu/drm/radeon/reg_srcs/r600 +++ b/drivers/gpu/drm/radeon/reg_srcs/r600 @@ -708,6 +708,7 @@ r600 0x9400 0x00028D0C DB_RENDER_CONTROL 0x00028D10 DB_RENDER_OVERRIDE 0x0002880C DB_SHADER_CONTROL +0x00028D28 DB_SRESULTS_COMPARE_STATE0 0x00028D2C DB_SRESULTS_COMPARE_STATE1 0x00028430 DB_STENCILREFMASK 0x00028434 DB_STENCILREFMASK_BF diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 060ef6327876..50e40dbd8bb6 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -110,8 +110,7 @@ config SENSORS_ADM1021 help If you say yes here you get support for Analog Devices ADM1021 and ADM1023 sensor chips and clones: Maxim MAX1617 and MAX1617A, - Genesys Logic GL523SM, National Semiconductor LM84, TI THMC10, - and the XEON processor built-in sensor. + Genesys Logic GL523SM, National Semiconductor LM84 and TI THMC10. This driver can also be built as a module. If so, the module will be called adm1021. @@ -618,10 +617,10 @@ config SENSORS_LM90 depends on I2C help If you say yes here you get support for National Semiconductor LM90, - LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, Maxim - MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659, - MAX6680, MAX6681, MAX6692, MAX6695, MAX6696, and Winbond/Nuvoton - W83L771W/G/AWG/ASG sensor chips. + LM86, LM89 and LM99, Analog Devices ADM1032, ADT7461, and ADT7461A, + Maxim MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659, + MAX6680, MAX6681, MAX6692, MAX6695, MAX6696, ON Semiconductor NCT1008, + and Winbond/Nuvoton W83L771W/G/AWG/ASG sensor chips. This driver can also be built as a module. If so, the module will be called lm90. diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index 250d099ca398..da72dc12068c 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -1094,6 +1094,7 @@ static struct attribute *lm85_attributes_minctl[] = { &sensor_dev_attr_pwm1_auto_pwm_minctl.dev_attr.attr, &sensor_dev_attr_pwm2_auto_pwm_minctl.dev_attr.attr, &sensor_dev_attr_pwm3_auto_pwm_minctl.dev_attr.attr, + NULL }; static const struct attribute_group lm85_group_minctl = { @@ -1104,6 +1105,7 @@ static struct attribute *lm85_attributes_temp_off[] = { &sensor_dev_attr_temp1_auto_temp_off.dev_attr.attr, &sensor_dev_attr_temp2_auto_temp_off.dev_attr.attr, &sensor_dev_attr_temp3_auto_temp_off.dev_attr.attr, + NULL }; static const struct attribute_group lm85_group_temp_off = { @@ -1329,11 +1331,11 @@ static int lm85_probe(struct i2c_client *client, if (data->type != emc6d103s) { err = sysfs_create_group(&client->dev.kobj, &lm85_group_minctl); if (err) - goto err_kfree; + goto err_remove_files; err = sysfs_create_group(&client->dev.kobj, &lm85_group_temp_off); if (err) - goto err_kfree; + goto err_remove_files; } /* The ADT7463/68 have an optional VRM 10 mode where pin 21 is used diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index c43b4e9f96a9..2f94f9504804 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -49,10 +49,10 @@ * chips, but support three temperature sensors instead of two. MAX6695 * and MAX6696 only differ in the pinout so they can be treated identically. * - * This driver also supports the ADT7461 chip from Analog Devices. - * It's supported in both compatibility and extended mode. It is mostly - * compatible with LM90 except for a data format difference for the - * temperature value registers. + * This driver also supports ADT7461 and ADT7461A from Analog Devices as well as + * NCT1008 from ON Semiconductor. The chips are supported in both compatibility + * and extended mode. They are mostly compatible with LM90 except for a data + * format difference for the temperature value registers. * * Since the LM90 was the first chipset supported by this driver, most * comments will refer to this chipset, but are actually general and @@ -88,9 +88,10 @@ * Addresses to scan * Address is fully defined internally and cannot be changed except for * MAX6659, MAX6680 and MAX6681. - * LM86, LM89, LM90, LM99, ADM1032, ADM1032-1, ADT7461, MAX6649, MAX6657, - * MAX6658 and W83L771 have address 0x4c. - * ADM1032-2, ADT7461-2, LM89-1, LM99-1 and MAX6646 have address 0x4d. + * LM86, LM89, LM90, LM99, ADM1032, ADM1032-1, ADT7461, ADT7461A, MAX6649, + * MAX6657, MAX6658, NCT1008 and W83L771 have address 0x4c. + * ADM1032-2, ADT7461-2, ADT7461A-2, LM89-1, LM99-1, MAX6646, and NCT1008D + * have address 0x4d. * MAX6647 has address 0x4e. * MAX6659 can have address 0x4c, 0x4d or 0x4e. * MAX6680 and MAX6681 can have address 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, @@ -174,6 +175,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, static const struct i2c_device_id lm90_id[] = { { "adm1032", adm1032 }, { "adt7461", adt7461 }, + { "adt7461a", adt7461 }, { "lm90", lm90 }, { "lm86", lm86 }, { "lm89", lm86 }, @@ -188,6 +190,7 @@ static const struct i2c_device_id lm90_id[] = { { "max6681", max6680 }, { "max6695", max6696 }, { "max6696", max6696 }, + { "nct1008", adt7461 }, { "w83l771", w83l771 }, { } }; @@ -1153,6 +1156,11 @@ static int lm90_detect(struct i2c_client *new_client, && (reg_config1 & 0x1B) == 0x00 && reg_convrate <= 0x0A) { name = "adt7461"; + } else + if (chip_id == 0x57 /* ADT7461A, NCT1008 */ + && (reg_config1 & 0x1B) == 0x00 + && reg_convrate <= 0x0A) { + name = "adt7461a"; } } else if (man_id == 0x4D) { /* Maxim */ diff --git a/fs/file.c b/fs/file.c index 0be344755c02..4c6992d8f3ba 100644 --- a/fs/file.c +++ b/fs/file.c @@ -9,6 +9,7 @@ #include <linux/module.h> #include <linux/fs.h> #include <linux/mm.h> +#include <linux/mmzone.h> #include <linux/time.h> #include <linux/sched.h> #include <linux/slab.h> @@ -39,14 +40,17 @@ int sysctl_nr_open_max = 1024 * 1024; /* raised later */ */ static DEFINE_PER_CPU(struct fdtable_defer, fdtable_defer_list); -static inline void *alloc_fdmem(unsigned int size) +static void *alloc_fdmem(unsigned int size) { - void *data; - - data = kmalloc(size, GFP_KERNEL|__GFP_NOWARN); - if (data != NULL) - return data; - + /* + * Very large allocations can stress page reclaim, so fall back to + * vmalloc() if the allocation size will be considered "large" by the VM. + */ + if (size <= (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER)) { + void *data = kmalloc(size, GFP_KERNEL|__GFP_NOWARN); + if (data != NULL) + return data; + } return vmalloc(size); } diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 89fc160fd5b0..1f063bacd285 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -119,7 +119,7 @@ Elong: } #ifdef CONFIG_NFS_V4 -static rpc_authflavor_t nfs_find_best_sec(struct nfs4_secinfo_flavors *flavors, struct inode *inode) +static rpc_authflavor_t nfs_find_best_sec(struct nfs4_secinfo_flavors *flavors) { struct gss_api_mech *mech; struct xdr_netobj oid; @@ -166,7 +166,7 @@ static int nfs_negotiate_security(const struct dentry *parent, } flavors = page_address(page); ret = secinfo(parent->d_inode, &dentry->d_name, flavors); - *flavor = nfs_find_best_sec(flavors, dentry->d_inode); + *flavor = nfs_find_best_sec(flavors); put_page(page); } diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index e1c261ddd65d..c4a69833dd0d 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -47,6 +47,7 @@ enum nfs4_client_state { NFS4CLNT_LAYOUTRECALL, NFS4CLNT_SESSION_RESET, NFS4CLNT_RECALL_SLOT, + NFS4CLNT_LEASE_CONFIRM, }; enum nfs4_session_state { diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 9bf41eab3e46..69c0f3c5ee7a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -46,6 +46,7 @@ #include <linux/nfs4.h> #include <linux/nfs_fs.h> #include <linux/nfs_page.h> +#include <linux/nfs_mount.h> #include <linux/namei.h> #include <linux/mount.h> #include <linux/module.h> @@ -443,8 +444,8 @@ static int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res * if (res->sr_status == 1) res->sr_status = NFS_OK; - /* -ERESTARTSYS can result in skipping nfs41_sequence_setup */ - if (!res->sr_slot) + /* don't increment the sequence number if the task wasn't sent */ + if (!RPC_WAS_SENT(task)) goto out; /* Check the SEQUENCE operation status */ @@ -2185,9 +2186,14 @@ static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs4_exception exception = { }; int err; do { - err = nfs4_handle_exception(server, - _nfs4_lookup_root(server, fhandle, info), - &exception); + err = _nfs4_lookup_root(server, fhandle, info); + switch (err) { + case 0: + case -NFS4ERR_WRONGSEC: + break; + default: + err = nfs4_handle_exception(server, err, &exception); + } } while (exception.retry); return err; } @@ -2208,25 +2214,47 @@ out: return ret; } -/* - * get the file handle for the "/" directory on the server - */ -static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, +static int nfs4_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fsinfo *info) { int i, len, status = 0; - rpc_authflavor_t flav_array[NFS_MAX_SECFLAVORS + 2]; + rpc_authflavor_t flav_array[NFS_MAX_SECFLAVORS]; - flav_array[0] = RPC_AUTH_UNIX; - len = gss_mech_list_pseudoflavors(&flav_array[1]); - flav_array[1+len] = RPC_AUTH_NULL; - len += 2; + len = gss_mech_list_pseudoflavors(&flav_array[0]); + flav_array[len] = RPC_AUTH_NULL; + len += 1; for (i = 0; i < len; i++) { status = nfs4_lookup_root_sec(server, fhandle, info, flav_array[i]); - if (status != -EPERM) - break; + if (status == -NFS4ERR_WRONGSEC || status == -EACCES) + continue; + break; } + /* + * -EACCESS could mean that the user doesn't have correct permissions + * to access the mount. It could also mean that we tried to mount + * with a gss auth flavor, but rpc.gssd isn't running. Either way, + * existing mount programs don't handle -EACCES very well so it should + * be mapped to -EPERM instead. + */ + if (status == -EACCES) + status = -EPERM; + return status; +} + +/* + * get the file handle for the "/" directory on the server + */ +static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, + struct nfs_fsinfo *info) +{ + int status = nfs4_lookup_root(server, fhandle, info); + if ((status == -NFS4ERR_WRONGSEC) && !(server->flags & NFS_MOUNT_SECFLAVOUR)) + /* + * A status of -NFS4ERR_WRONGSEC will be mapped to -EPERM + * by nfs4_map_errors() as this function exits. + */ + status = nfs4_find_root_sec(server, fhandle, info); if (status == 0) status = nfs4_server_capabilities(server, fhandle); if (status == 0) @@ -3723,21 +3751,20 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, sizeof(setclientid.sc_uaddr), "%s.%u.%u", clp->cl_ipaddr, port >> 8, port & 255); - status = rpc_call_sync(clp->cl_rpcclient, &msg, 0); + status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (status != -NFS4ERR_CLID_INUSE) break; - if (signalled()) + if (loop != 0) { + ++clp->cl_id_uniquifier; break; - if (loop++ & 1) - ssleep(clp->cl_lease_time / HZ + 1); - else - if (++clp->cl_id_uniquifier == 0) - break; + } + ++loop; + ssleep(clp->cl_lease_time / HZ + 1); } return status; } -static int _nfs4_proc_setclientid_confirm(struct nfs_client *clp, +int nfs4_proc_setclientid_confirm(struct nfs_client *clp, struct nfs4_setclientid_res *arg, struct rpc_cred *cred) { @@ -3752,7 +3779,7 @@ static int _nfs4_proc_setclientid_confirm(struct nfs_client *clp, int status; now = jiffies; - status = rpc_call_sync(clp->cl_rpcclient, &msg, 0); + status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (status == 0) { spin_lock(&clp->cl_lock); clp->cl_lease_time = fsinfo.lease_time * HZ; @@ -3762,26 +3789,6 @@ static int _nfs4_proc_setclientid_confirm(struct nfs_client *clp, return status; } -int nfs4_proc_setclientid_confirm(struct nfs_client *clp, - struct nfs4_setclientid_res *arg, - struct rpc_cred *cred) -{ - long timeout = 0; - int err; - do { - err = _nfs4_proc_setclientid_confirm(clp, arg, cred); - switch (err) { - case 0: - return err; - case -NFS4ERR_RESOURCE: - /* The IBM lawyers misread another document! */ - case -NFS4ERR_DELAY: - err = nfs4_delay(clp->cl_rpcclient, &timeout); - } - } while (err == 0); - return err; -} - struct nfs4_delegreturndata { struct nfs4_delegreturnargs args; struct nfs4_delegreturnres res; @@ -4786,7 +4793,7 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred) init_utsname()->domainname, clp->cl_rpcclient->cl_auth->au_flavor); - status = rpc_call_sync(clp->cl_rpcclient, &msg, 0); + status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (!status) status = nfs4_check_cl_exchange_flags(clp->cl_exchange_flags); dprintk("<-- %s status= %d\n", __func__, status); @@ -4869,7 +4876,8 @@ int nfs4_proc_get_lease_time(struct nfs_client *clp, struct nfs_fsinfo *fsinfo) .rpc_client = clp->cl_rpcclient, .rpc_message = &msg, .callback_ops = &nfs4_get_lease_time_ops, - .callback_data = &data + .callback_data = &data, + .flags = RPC_TASK_TIMEOUT, }; int status; @@ -5171,7 +5179,7 @@ static int _nfs4_proc_create_session(struct nfs_client *clp) nfs4_init_channel_attrs(&args); args.flags = (SESSION4_PERSIST | SESSION4_BACK_CHAN); - status = rpc_call_sync(session->clp->cl_rpcclient, &msg, 0); + status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (!status) /* Verify the session's negotiated channel_attrs values */ @@ -5194,20 +5202,10 @@ int nfs4_proc_create_session(struct nfs_client *clp) int status; unsigned *ptr; struct nfs4_session *session = clp->cl_session; - long timeout = 0; - int err; dprintk("--> %s clp=%p session=%p\n", __func__, clp, session); - do { - status = _nfs4_proc_create_session(clp); - if (status == -NFS4ERR_DELAY) { - err = nfs4_delay(clp->cl_rpcclient, &timeout); - if (err) - status = err; - } - } while (status == -NFS4ERR_DELAY); - + status = _nfs4_proc_create_session(clp); if (status) goto out; @@ -5248,7 +5246,7 @@ int nfs4_proc_destroy_session(struct nfs4_session *session) msg.rpc_argp = session; msg.rpc_resp = NULL; msg.rpc_cred = NULL; - status = rpc_call_sync(session->clp->cl_rpcclient, &msg, 0); + status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); if (status) printk(KERN_WARNING diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index a6804f704d9d..036f5adc9e1f 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -64,10 +64,15 @@ static LIST_HEAD(nfs4_clientid_list); int nfs4_init_clientid(struct nfs_client *clp, struct rpc_cred *cred) { - struct nfs4_setclientid_res clid; + struct nfs4_setclientid_res clid = { + .clientid = clp->cl_clientid, + .confirm = clp->cl_confirm, + }; unsigned short port; int status; + if (test_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state)) + goto do_confirm; port = nfs_callback_tcpport; if (clp->cl_addr.ss_family == AF_INET6) port = nfs_callback_tcpport6; @@ -75,10 +80,14 @@ int nfs4_init_clientid(struct nfs_client *clp, struct rpc_cred *cred) status = nfs4_proc_setclientid(clp, NFS4_CALLBACK, port, cred, &clid); if (status != 0) goto out; + clp->cl_clientid = clid.clientid; + clp->cl_confirm = clid.confirm; + set_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); +do_confirm: status = nfs4_proc_setclientid_confirm(clp, &clid, cred); if (status != 0) goto out; - clp->cl_clientid = clid.clientid; + clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); nfs4_schedule_state_renewal(clp); out: return status; @@ -230,13 +239,18 @@ int nfs41_init_clientid(struct nfs_client *clp, struct rpc_cred *cred) { int status; + if (test_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state)) + goto do_confirm; nfs4_begin_drain_session(clp); status = nfs4_proc_exchange_id(clp, cred); if (status != 0) goto out; + set_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); +do_confirm: status = nfs4_proc_create_session(clp); if (status != 0) goto out; + clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); nfs41_setup_state_renewal(clp); nfs_mark_client_ready(clp, NFS_CS_READY); out: @@ -1584,20 +1598,23 @@ static int nfs4_recall_slot(struct nfs_client *clp) { return 0; } */ static void nfs4_set_lease_expired(struct nfs_client *clp, int status) { - if (nfs4_has_session(clp)) { - switch (status) { - case -NFS4ERR_DELAY: - case -NFS4ERR_CLID_INUSE: - case -EAGAIN: - break; + switch (status) { + case -NFS4ERR_CLID_INUSE: + case -NFS4ERR_STALE_CLIENTID: + clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); + break; + case -NFS4ERR_DELAY: + case -ETIMEDOUT: + case -EAGAIN: + ssleep(1); + break; - case -EKEYEXPIRED: - nfs4_warn_keyexpired(clp->cl_hostname); - case -NFS4ERR_NOT_SAME: /* FixMe: implement recovery - * in nfs4_exchange_id */ - default: - return; - } + case -EKEYEXPIRED: + nfs4_warn_keyexpired(clp->cl_hostname); + case -NFS4ERR_NOT_SAME: /* FixMe: implement recovery + * in nfs4_exchange_id */ + default: + return; } set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state); } @@ -1607,7 +1624,7 @@ static void nfs4_state_manager(struct nfs_client *clp) int status = 0; /* Ensure exclusive access to NFSv4 state */ - for(;;) { + do { if (test_and_clear_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state)) { /* We're going to have to re-establish a clientid */ status = nfs4_reclaim_lease(clp); @@ -1691,7 +1708,7 @@ static void nfs4_state_manager(struct nfs_client *clp) break; if (test_and_set_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state) != 0) break; - } + } while (atomic_read(&clp->cl_count) > 1); return; out_error: printk(KERN_WARNING "Error: state manager failed on NFSv4 server %s" diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index dddfb5795d7b..c3ccd2c46834 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -1452,26 +1452,25 @@ static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) { - uint32_t attrs[2] = {0, 0}; + uint32_t attrs[2] = { + FATTR4_WORD0_RDATTR_ERROR, + FATTR4_WORD1_MOUNTED_ON_FILEID, + }; uint32_t dircount = readdir->count >> 1; __be32 *p; if (readdir->plus) { attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| - FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE; + FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; dircount >>= 1; } - attrs[0] |= FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID; - attrs[1] |= FATTR4_WORD1_MOUNTED_ON_FILEID; - /* Switch to mounted_on_fileid if the server supports it */ - if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) - attrs[0] &= ~FATTR4_WORD0_FILEID; - else - attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; + /* Use mounted_on_fileid only if the server supports it */ + if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) + attrs[0] |= FATTR4_WORD0_FILEID; p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20); *p++ = cpu_to_be32(OP_READDIR); @@ -3140,7 +3139,7 @@ static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitma goto out_overflow; xdr_decode_hyper(p, fileid); bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; - ret = NFS_ATTR_FATTR_FILEID; + ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; } dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); return ret; @@ -4002,7 +4001,6 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, { int status; umode_t fmode = 0; - uint64_t fileid; uint32_t type; status = decode_attr_type(xdr, bitmap, &type); @@ -4101,13 +4099,10 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, goto xdr_error; fattr->valid |= status; - status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid); + status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); if (status < 0) goto xdr_error; - if (status != 0 && !(fattr->valid & status)) { - fattr->fileid = fileid; - fattr->valid |= status; - } + fattr->valid |= status; xdr_error: dprintk("%s: xdr returned %d\n", __func__, -status); @@ -4838,17 +4833,21 @@ static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) struct nfs4_secinfo_flavor *sec_flavor; int status; __be32 *p; - int i; + int i, num_flavors; status = decode_op_hdr(xdr, OP_SECINFO); + if (status) + goto out; p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) goto out_overflow; - res->flavors->num_flavors = be32_to_cpup(p); - for (i = 0; i < res->flavors->num_flavors; i++) { + res->flavors->num_flavors = 0; + num_flavors = be32_to_cpup(p); + + for (i = 0; i < num_flavors; i++) { sec_flavor = &res->flavors->flavors[i]; - if ((char *)&sec_flavor[1] - (char *)res > PAGE_SIZE) + if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) break; p = xdr_inline_decode(xdr, 4); @@ -4857,13 +4856,15 @@ static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) sec_flavor->flavor = be32_to_cpup(p); if (sec_flavor->flavor == RPC_AUTH_GSS) { - if (decode_secinfo_gss(xdr, sec_flavor)) - break; + status = decode_secinfo_gss(xdr, sec_flavor); + if (status) + goto out; } + res->flavors->num_flavors++; } - return 0; - +out: + return status; out_overflow: print_overflow_msg(__func__, xdr); return -EIO; @@ -6408,7 +6409,9 @@ int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, entry->server, 1) < 0) goto out_overflow; - if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) + if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) + entry->ino = entry->fattr->mounted_on_fileid; + else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) entry->ino = entry->fattr->fileid; entry->d_type = DT_UNKNOWN; diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index d9ab97269ce6..ff681ab65d31 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1004,6 +1004,7 @@ pnfs_set_layoutcommit(struct nfs_write_data *wdata) { struct nfs_inode *nfsi = NFS_I(wdata->inode); loff_t end_pos = wdata->args.offset + wdata->res.count; + bool mark_as_dirty = false; spin_lock(&nfsi->vfs_inode.i_lock); if (!test_and_set_bit(NFS_INO_LAYOUTCOMMIT, &nfsi->flags)) { @@ -1011,13 +1012,18 @@ pnfs_set_layoutcommit(struct nfs_write_data *wdata) get_lseg(wdata->lseg); wdata->lseg->pls_lc_cred = get_rpccred(wdata->args.context->state->owner->so_cred); - mark_inode_dirty_sync(wdata->inode); + mark_as_dirty = true; dprintk("%s: Set layoutcommit for inode %lu ", __func__, wdata->inode->i_ino); } if (end_pos > wdata->lseg->pls_end_pos) wdata->lseg->pls_end_pos = end_pos; spin_unlock(&nfsi->vfs_inode.i_lock); + + /* if pnfs_layoutcommit_inode() runs between inode locks, the next one + * will be a noop because NFS_INO_LAYOUTCOMMIT will not be set */ + if (mark_as_dirty) + mark_inode_dirty_sync(wdata->inode); } EXPORT_SYMBOL_GPL(pnfs_set_layoutcommit); diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 2b8e9a5e366a..e288f06d3fa7 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1004,6 +1004,7 @@ static int nfs_parse_security_flavors(char *value, return 0; } + mnt->flags |= NFS_MOUNT_SECFLAVOUR; mnt->auth_flavor_len = 1; return 1; } @@ -1976,6 +1977,15 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data) if (error < 0) goto out; + /* + * noac is a special case. It implies -o sync, but that's not + * necessarily reflected in the mtab options. do_remount_sb + * will clear MS_SYNCHRONOUS if -o sync wasn't specified in the + * remount options, so we have to explicitly reset it. + */ + if (data->flags & NFS_MOUNT_NOAC) + *flags |= MS_SYNCHRONOUS; + /* compare new mount options with old ones */ error = nfs_compare_remount_data(nfss, data); out: @@ -2235,8 +2245,7 @@ static struct dentry *nfs_fs_mount(struct file_system_type *fs_type, if (!s->s_root) { /* initial superblock/root creation */ nfs_fill_super(s, data); - nfs_fscache_get_super_cookie( - s, data ? data->fscache_uniq : NULL, NULL); + nfs_fscache_get_super_cookie(s, data->fscache_uniq, NULL); } mntroot = nfs_get_root(s, mntfh, dev_name); diff --git a/fs/nfs/write.c b/fs/nfs/write.c index e4cbc11a74ab..3bd5d7e80f6c 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -680,7 +680,6 @@ static int nfs_writepage_setup(struct nfs_open_context *ctx, struct page *page, req = nfs_setup_write_request(ctx, page, offset, count); if (IS_ERR(req)) return PTR_ERR(req); - nfs_mark_request_dirty(req); /* Update file length */ nfs_grow_file(page, offset, count); nfs_mark_uptodate(page, req->wb_pgbase, req->wb_bytes); @@ -1418,8 +1417,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata) task->tk_pid, task->tk_status); /* Call the NFS version-specific code */ - if (NFS_PROTO(data->inode)->commit_done(task, data) != 0) - return; + NFS_PROTO(data->inode)->commit_done(task, data); } void nfs_commit_release_pages(struct nfs_write_data *data) diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index f22e7fe4b6db..ade09d7b4271 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -118,6 +118,7 @@ int drm_fb_helper_setcolreg(unsigned regno, unsigned transp, struct fb_info *info); +bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper); void drm_fb_helper_restore(void); void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper, uint32_t fb_width, uint32_t fb_height); diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h index 3bce1a4fc305..7aa5dddb2098 100644 --- a/include/drm/radeon_drm.h +++ b/include/drm/radeon_drm.h @@ -909,6 +909,7 @@ struct drm_radeon_cs { #define RADEON_INFO_WANT_CMASK 0x08 /* get access to CMASK on r300 */ #define RADEON_INFO_CLOCK_CRYSTAL_FREQ 0x09 /* clock crystal frequency */ #define RADEON_INFO_NUM_BACKENDS 0x0a /* DB/backends for r600+ - need for OQ */ +#define RADEON_INFO_NUM_TILE_PIPES 0x0b /* tile pipes for r600+ */ struct drm_radeon_info { uint32_t request; diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index df29c8fde36b..8847c8c29791 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -117,7 +117,7 @@ static inline void vma_adjust_trans_huge(struct vm_area_struct *vma, unsigned long end, long adjust_next) { - if (!vma->anon_vma || vma->vm_ops || vma->vm_file) + if (!vma->anon_vma || vma->vm_ops) return; __vma_adjust_trans_huge(vma, start, end, adjust_next); } diff --git a/include/linux/mm.h b/include/linux/mm.h index 692dbae6ffa7..2348db26bc3d 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -137,7 +137,8 @@ extern unsigned int kobjsize(const void *objp); #define VM_RandomReadHint(v) ((v)->vm_flags & VM_RAND_READ) /* - * special vmas that are non-mergable, non-mlock()able + * Special vmas that are non-mergable, non-mlock()able. + * Note: mm/huge_memory.c VM_NO_THP depends on this definition. */ #define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_RESERVED | VM_PFNMAP) diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 216cea5db0aa..87694ca86914 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -47,6 +47,7 @@ struct nfs_client { #ifdef CONFIG_NFS_V4 u64 cl_clientid; /* constant */ + nfs4_verifier cl_confirm; /* Clientid verifier */ unsigned long cl_state; spinlock_t cl_lock; diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 78b101e487ea..890dce242639 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -50,6 +50,7 @@ struct nfs_fattr { } du; struct nfs_fsid fsid; __u64 fileid; + __u64 mounted_on_fileid; struct timespec atime; struct timespec mtime; struct timespec ctime; @@ -83,6 +84,7 @@ struct nfs_fattr { #define NFS_ATTR_FATTR_PRECHANGE (1U << 18) #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 19) /* NFSv4 referral */ #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 20) /* Treat as mountpoint */ +#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 21) #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \ | NFS_ATTR_FATTR_MODE \ diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index d81db8012c63..f73c482ec9c6 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -127,13 +127,16 @@ struct rpc_task_setup { #define RPC_TASK_KILLED 0x0100 /* task was killed */ #define RPC_TASK_SOFT 0x0200 /* Use soft timeouts */ #define RPC_TASK_SOFTCONN 0x0400 /* Fail if can't connect */ +#define RPC_TASK_SENT 0x0800 /* message was sent */ +#define RPC_TASK_TIMEOUT 0x1000 /* fail with ETIMEDOUT on timeout */ #define RPC_IS_ASYNC(t) ((t)->tk_flags & RPC_TASK_ASYNC) #define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER) #define RPC_DO_ROOTOVERRIDE(t) ((t)->tk_flags & RPC_TASK_ROOTCREDS) #define RPC_ASSASSINATED(t) ((t)->tk_flags & RPC_TASK_KILLED) -#define RPC_IS_SOFT(t) ((t)->tk_flags & RPC_TASK_SOFT) +#define RPC_IS_SOFT(t) ((t)->tk_flags & (RPC_TASK_SOFT|RPC_TASK_TIMEOUT)) #define RPC_IS_SOFTCONN(t) ((t)->tk_flags & RPC_TASK_SOFTCONN) +#define RPC_WAS_SENT(t) ((t)->tk_flags & RPC_TASK_SENT) #define RPC_TASK_RUNNING 0 #define RPC_TASK_QUEUED 1 diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 140dce750450..14733d4d156b 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -430,9 +430,12 @@ static int watchdog_enable(int cpu) p = kthread_create(watchdog, (void *)(unsigned long)cpu, "watchdog/%d", cpu); if (IS_ERR(p)) { printk(KERN_ERR "softlockup watchdog for %i failed\n", cpu); - if (!err) + if (!err) { /* if hardlockup hasn't already set this */ err = PTR_ERR(p); + /* and disable the perf event */ + watchdog_nmi_disable(cpu); + } goto out; } kthread_bind(p, cpu); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 470dcda10add..83326ad66d9b 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1408,6 +1408,9 @@ out: return ret; } +#define VM_NO_THP (VM_SPECIAL|VM_INSERTPAGE|VM_MIXEDMAP|VM_SAO| \ + VM_HUGETLB|VM_SHARED|VM_MAYSHARE) + int hugepage_madvise(struct vm_area_struct *vma, unsigned long *vm_flags, int advice) { @@ -1416,11 +1419,7 @@ int hugepage_madvise(struct vm_area_struct *vma, /* * Be somewhat over-protective like KSM for now! */ - if (*vm_flags & (VM_HUGEPAGE | - VM_SHARED | VM_MAYSHARE | - VM_PFNMAP | VM_IO | VM_DONTEXPAND | - VM_RESERVED | VM_HUGETLB | VM_INSERTPAGE | - VM_MIXEDMAP | VM_SAO)) + if (*vm_flags & (VM_HUGEPAGE | VM_NO_THP)) return -EINVAL; *vm_flags &= ~VM_NOHUGEPAGE; *vm_flags |= VM_HUGEPAGE; @@ -1436,11 +1435,7 @@ int hugepage_madvise(struct vm_area_struct *vma, /* * Be somewhat over-protective like KSM for now! */ - if (*vm_flags & (VM_NOHUGEPAGE | - VM_SHARED | VM_MAYSHARE | - VM_PFNMAP | VM_IO | VM_DONTEXPAND | - VM_RESERVED | VM_HUGETLB | VM_INSERTPAGE | - VM_MIXEDMAP | VM_SAO)) + if (*vm_flags & (VM_NOHUGEPAGE | VM_NO_THP)) return -EINVAL; *vm_flags &= ~VM_HUGEPAGE; *vm_flags |= VM_NOHUGEPAGE; @@ -1574,10 +1569,14 @@ int khugepaged_enter_vma_merge(struct vm_area_struct *vma) * page fault if needed. */ return 0; - if (vma->vm_file || vma->vm_ops) + if (vma->vm_ops) /* khugepaged not yet working on file or special mappings */ return 0; - VM_BUG_ON(is_linear_pfn_mapping(vma) || is_pfn_mapping(vma)); + /* + * If is_pfn_mapping() is true is_learn_pfn_mapping() must be + * true too, verify it here. + */ + VM_BUG_ON(is_linear_pfn_mapping(vma) || vma->vm_flags & VM_NO_THP); hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK; hend = vma->vm_end & HPAGE_PMD_MASK; if (hstart < hend) @@ -1828,12 +1827,15 @@ static void collapse_huge_page(struct mm_struct *mm, (vma->vm_flags & VM_NOHUGEPAGE)) goto out; - /* VM_PFNMAP vmas may have vm_ops null but vm_file set */ - if (!vma->anon_vma || vma->vm_ops || vma->vm_file) + if (!vma->anon_vma || vma->vm_ops) goto out; if (is_vma_temporary_stack(vma)) goto out; - VM_BUG_ON(is_linear_pfn_mapping(vma) || is_pfn_mapping(vma)); + /* + * If is_pfn_mapping() is true is_learn_pfn_mapping() must be + * true too, verify it here. + */ + VM_BUG_ON(is_linear_pfn_mapping(vma) || vma->vm_flags & VM_NO_THP); pgd = pgd_offset(mm, address); if (!pgd_present(*pgd)) @@ -2066,13 +2068,16 @@ static unsigned int khugepaged_scan_mm_slot(unsigned int pages, progress++; continue; } - /* VM_PFNMAP vmas may have vm_ops null but vm_file set */ - if (!vma->anon_vma || vma->vm_ops || vma->vm_file) + if (!vma->anon_vma || vma->vm_ops) goto skip; if (is_vma_temporary_stack(vma)) goto skip; - - VM_BUG_ON(is_linear_pfn_mapping(vma) || is_pfn_mapping(vma)); + /* + * If is_pfn_mapping() is true is_learn_pfn_mapping() + * must be true too, verify it here. + */ + VM_BUG_ON(is_linear_pfn_mapping(vma) || + vma->vm_flags & VM_NO_THP); hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK; hend = vma->vm_end & HPAGE_PMD_MASK; diff --git a/mm/memory.c b/mm/memory.c index ce22a250926f..607098d47e74 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3396,7 +3396,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, * run pte_offset_map on the pmd, if an huge pmd could * materialize from under us from a different thread. */ - if (unlikely(__pte_alloc(mm, vma, pmd, address))) + if (unlikely(pmd_none(*pmd)) && __pte_alloc(mm, vma, pmd, address)) return VM_FAULT_OOM; /* if an huge pmd materialized from under us just retry later */ if (unlikely(pmd_trans_huge(*pmd))) diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 83fb72c108b7..f52e85c80e8d 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -172,10 +172,13 @@ unsigned int oom_badness(struct task_struct *p, struct mem_cgroup *mem, /* * The baseline for the badness score is the proportion of RAM that each - * task's rss and swap space use. + * task's rss, pagetable and swap space use. */ - points = (get_mm_rss(p->mm) + get_mm_counter(p->mm, MM_SWAPENTS)) * 1000 / - totalpages; + points = get_mm_rss(p->mm) + p->mm->nr_ptes; + points += get_mm_counter(p->mm, MM_SWAPENTS); + + points *= 1000; + points /= totalpages; task_unlock(p); /* diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig index 8873fd8ddacd..b2198e65d8bb 100644 --- a/net/sunrpc/Kconfig +++ b/net/sunrpc/Kconfig @@ -18,14 +18,13 @@ config SUNRPC_XPRT_RDMA If unsure, say N. config RPCSEC_GSS_KRB5 - tristate + tristate "Secure RPC: Kerberos V mechanism" depends on SUNRPC && CRYPTO - prompt "Secure RPC: Kerberos V mechanism" if !(NFS_V4 || NFSD_V4) + depends on CRYPTO_MD5 && CRYPTO_DES && CRYPTO_CBC && CRYPTO_CTS + depends on CRYPTO_ECB && CRYPTO_HMAC && CRYPTO_SHA1 && CRYPTO_AES + depends on CRYPTO_ARC4 default y select SUNRPC_GSS - select CRYPTO_MD5 - select CRYPTO_DES - select CRYPTO_CBC help Choose Y here to enable Secure RPC using the Kerberos version 5 GSS-API mechanism (RFC 1964). diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index f3914d0c5079..339ba64cce1e 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -520,7 +520,7 @@ gss_refresh_upcall(struct rpc_task *task) warn_gssd(); task->tk_timeout = 15*HZ; rpc_sleep_on(&pipe_version_rpc_waitqueue, task, NULL); - return 0; + return -EAGAIN; } if (IS_ERR(gss_msg)) { err = PTR_ERR(gss_msg); @@ -563,10 +563,12 @@ retry: if (PTR_ERR(gss_msg) == -EAGAIN) { err = wait_event_interruptible_timeout(pipe_version_waitqueue, pipe_version >= 0, 15*HZ); + if (pipe_version < 0) { + warn_gssd(); + err = -EACCES; + } if (err) goto out; - if (pipe_version < 0) - warn_gssd(); goto retry; } if (IS_ERR(gss_msg)) { diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index e7a96e478f63..8d83f9d48713 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1508,7 +1508,10 @@ call_timeout(struct rpc_task *task) if (clnt->cl_chatty) printk(KERN_NOTICE "%s: server %s not responding, timed out\n", clnt->cl_protname, clnt->cl_server); - rpc_exit(task, -EIO); + if (task->tk_flags & RPC_TASK_TIMEOUT) + rpc_exit(task, -ETIMEDOUT); + else + rpc_exit(task, -EIO); return; } diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 9494c3767356..ce5eb68a9664 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -906,6 +906,7 @@ void xprt_transmit(struct rpc_task *task) } dprintk("RPC: %5u xmit complete\n", task->tk_pid); + task->tk_flags |= RPC_TASK_SENT; spin_lock_bh(&xprt->transport_lock); xprt->ops->set_retrans_timeout(task); |
