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Revision | Author | Date | Message | Commit Date |
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5fe65ce | Markus Pargmann | 08 September 2014, 07:14:07 UTC | watchdog: imx2_wdt: Disable power down counter on boot Disable power down counter of the watchdog to avoid system resets. The watchdog power down counter is set automatically by the chip. If it is not set to 0 in the driver, the system resets. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> | 21 January 2015, 13:52:23 UTC |
bbd5900 | Xiubo Li | 16 October 2014, 03:44:15 UTC | watchdog: imx2_wdt: Improve power management support. Improve power management operations(suspend and resume) as part of dev_pm_ops for IMX2 watchdog driver. If PM will be supported, please make sure that the wdev->clk could disable the watchdog's counter input clock source or can mask watchdog's reset request to the core. If watchdog is still used by consumers and resumes from deep sleep state, we need to restart the watchdog again without enabling the timer. If watchdog been has started --> stopped by the consumers and resumes from non-deep sleep state, then start the timer again. If watchdog has been started --> stopped by the consumers and resumes from deep sleep state, will do nothing. The watchdog will be restarted by consumers next time to be used. Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> | 21 January 2015, 13:45:16 UTC |
ec6f34e | Linus Torvalds | 18 January 2015, 06:02:20 UTC | Linux 3.19-rc5 | 18 January 2015, 06:02:20 UTC |
d0ac5d8 | Linus Torvalds | 18 January 2015, 06:00:40 UTC | Merge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "We've been sitting on our fixes branch for a while, so this batch is unfortunately on the large side. A lot of these are tweaks and fixes to device trees, fixing various bugs around clocks, reg ranges, etc. There's also a few defconfig updates (which are on the late side, no more of those). All in all the diffstat is bigger than ideal at this time, but nothing in here seems particularly risky" * tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits) reset: sunxi: fix spinlock initialization ARM: dts: disable CCI on exynos5420 based arndale-octa drivers: bus: check cci device tree node status ARM: rockchip: disable jtag/sdmmc autoswitching on rk3288 ARM: nomadik: fix up leftover device tree pins ARM: at91: board-dt-sama5: add phy_fixup to override NAND_Tree ARM: at91/dt: sam9263: Add missing clocks to lcdc node ARM: at91: sama5d3: dt: correct the sound route ARM: at91/dt: sama5d4: fix the timer reg length ARM: exynos_defconfig: Enable LM90 driver ARM: exynos_defconfig: Enable options for display panel support arm: dts: Use pmu_system_controller phandle for dp phy ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances ARM: dts: berlin: correct BG2Q's SM GPIO location. ARM: dts: berlin: add broken-cd and set bus width for eMMC in Marvell DMP DT ARM: dts: berlin: fix io clk and add missing core clk for BG2Q sdhci2 host ARM: dts: Revert disabling of smc91x for n900 ARM: dts: imx51-babbage: Fix ULPI PHY reset modelling ARM: dts: dra7-evm: fix qspi device tree partition size ARM: omap2plus_defconfig: use CONFIG_CPUFREQ_DT ... | 18 January 2015, 06:00:40 UTC |
12ba857 | Linus Torvalds | 18 January 2015, 03:29:11 UTC | Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux Pull clock driver fixes from Mike Turquette: "Small number of fixes for clock drivers and a single null pointer dereference fix in the framework core code. The driver fixes vary from fixing section mismatch warnings to preventing machines from hanging (and preventing developers from crying)" * tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux: clk: fix possible null pointer dereference Revert "clk: ppc-corenet: Fix Section mismatch warning" clk: rockchip: fix deadlock possibility in cpuclk clk: berlin: bg2q: remove non-exist "smemc" gate clock clk: at91: keep slow clk enabled to prevent system hang clk: rockchip: fix rk3288 cpuclk core dividers clk: rockchip: fix rk3066 pll lock bit location clk: rockchip: Fix clock gate for rk3188 hclk_emem_peri clk: rockchip: add CLK_IGNORE_UNUSED flag to fix rk3066/rk3188 USB Host | 18 January 2015, 03:29:11 UTC |
901b208 | Linus Torvalds | 18 January 2015, 03:26:52 UTC | Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is one fix for a Multiqueue sleeping in invalid context problem and a MAINTAINER file update for Qlogic" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ->queue_rq can't sleep MAINTAINERS: Update maintainer list for qla4xxx | 18 January 2015, 03:26:52 UTC |
c7662fc | Stanimir Varbanov | 05 January 2015, 16:04:23 UTC | clk: fix possible null pointer dereference The commit 646cafc6 (clk: Change clk_ops->determine_rate to return a clk_hw as the best parent) opens a possibility for null pointer dereference, fix this. Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Michael Turquette <mturquette@linaro.org> | 17 January 2015, 19:33:57 UTC |
176a107 | Kevin Hao | 03 December 2014, 08:53:51 UTC | Revert "clk: ppc-corenet: Fix Section mismatch warning" This reverts commit da788acb28386aa896224e784954bb73c99ff26c. That commit tried to fix the section mismatch warning by moving the ppc_corenet_clk_driver struct to init section. This is definitely wrong because the kernel would free the memories occupied by this struct after boot while this driver is still registered in the driver core. The kernel would panic when accessing this driver struct. Cc: stable@vger.kernel.org # 3.17 Signed-off-by: Kevin Hao <haokexin@gmail.com> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Michael Turquette <mturquette@linaro.org> | 17 January 2015, 19:27:16 UTC |
a5e1baf | Heiko Stübner | 16 January 2015, 16:52:44 UTC | clk: rockchip: fix deadlock possibility in cpuclk Lockdep reported a possible deadlock between the cpuclk lock and for example the i2c driver. CPU0 CPU1 ---- ---- lock(clk_lock); local_irq_disable(); lock(&(&i2c->lock)->rlock); lock(clk_lock); <Interrupt> lock(&(&i2c->lock)->rlock); *** DEADLOCK *** The generic clock-types of the core ccf already use spin_lock_irqsave when touching clock registers, so do the same for the cpuclk. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Michael Turquette <mturquette@linaro.org> [mturquette@linaro.org: removed initialization of "flags"] | 17 January 2015, 19:22:39 UTC |
298e320 | Linus Torvalds | 17 January 2015, 18:26:24 UTC | Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma Pull dmaengine fixes from Vinod Koul: "Two patches, the first by Andy to fix dw dmac runtime pm and second one by me to fix the dmaengine headers in MAINTAINERS" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: dw: balance PM runtime calls MAINTAINERS: dmaengine: fix the header file for dmaengine | 17 January 2015, 18:26:24 UTC |
59b2858 | Linus Torvalds | 17 January 2015, 18:24:30 UTC | Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Mostly tooling fixes, but also two PMU driver fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tools powerpc: Use dwfl_report_elf() instead of offline. perf tools: Fix segfault for symbol annotation on TUI perf test: Fix dwarf unwind using libunwind. perf tools: Avoid build splat for syscall numbers with uclibc perf tools: Elide strlcpy warning with uclibc perf tools: Fix statfs.f_type data type mismatch build error with uclibc tools: Remove bitops/hweight usage of bits in tools/perf perf machine: Fix __machine__findnew_thread() error path perf tools: Fix building error in x86_64 when dwarf unwind is on perf probe: Propagate error code when write(2) failed perf/x86/intel: Fix bug for "cycles:p" and "cycles:pp" on SLM perf/rapl: Fix sysfs_show() initialization for RAPL PMU | 17 January 2015, 18:24:30 UTC |
d01de23 | Ingo Molnar | 17 January 2015, 10:04:35 UTC | Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/urgent fixes from Arnaldo Carvalho de Melo: - Fix segfault when using both the map symtab viewer and annotation in the TUI (Namhyung Kim). - uClibc build fixes (Alexey Brodkin, Vineet Gupta). - bitops/hweight were moved from tools/perf/ too tools/include, move some leftovers (Arnaldo Carvalho de Melo) - Fix dwarf unwind x86_64 build error (Namhyung Kim) - Fix __machine__findnew_thread() error path (Namhyung Kim) - Propagate error code when write(2) failed in 'perf probe' (Namhyung Kim) - Use dwfl_report_elf() instead of offline in powerpc bits to properly handle non prelinked DSOs (Sukadev Bhattiprolu). - Fix dwarf unwind using libunwind in 'perf test' (Wang Nan) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> | 17 January 2015, 10:04:35 UTC |
966903a | Olof Johansson | 15 January 2015, 23:45:18 UTC | Merge tag 'samsung-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes Merge "Samsung fixes for v3.19" from Kukjin Kim: Samsung fixes for v3.19 - exynos_defconfig: enable LM90 driver and display panel support - HWMON - SENSORS_LM90 - Direct Rendering Manager (DRM) - DRM bridge registration and lookup framework - Parade ps8622/ps8625 eDP/LVDS bridge - NXP ptn3460 eDP/LVDS bridge - Exynos Fully Interactive Mobile Display controller (FIMD) - Panel registration and lookup framework - Simple panels - Backlight & LCD device support - use pmu_system_controller phandle for dp phy : DP PHY requires pmu_system_controller to handle PMU reg. now * tag 'samsung-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: exynos_defconfig: Enable LM90 driver ARM: exynos_defconfig: Enable options for display panel support arm: dts: Use pmu_system_controller phandle for dp phy Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:11:37 UTC |
41544f9 | Tyler Baker | 12 January 2015, 15:54:46 UTC | reset: sunxi: fix spinlock initialization Call spin_lock_init() before the spinlocks are used, both in early init and probe functions preventing a lockdep splat. I have been observing lockdep complaining [1] during boot on my a80 optimus [2] when CONFIG_PROVE_LOCKING has been enabled. This patch resolves the splat, and has been tested on a few other sunxi platforms without issue. [1] http://storage.kernelci.org/next/next-20150107/arm-multi_v7_defconfig+CONFIG_PROVE_LOCKING=y/lab-tbaker/boot-sun9i-a80-optimus.html [2] http://kernelci.org/boot/?a80-optimus Signed-off-by: Tyler Baker <tyler.baker@linaro.org> Cc: <stable@vger.kernel.org> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:11:31 UTC |
a30e931 | Olof Johansson | 13 January 2015, 23:32:43 UTC | Merge tag 'renesas-soc-fixes-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes Merge "Renesas ARM Based SoC Fixes for v3.19" from Simon Horman: Renesas ARM Based SoC Fixes for v3.19 This pull request is based on the last round of SoC updates for v3.19, Fourth Round of Renesas ARM Based SoC Updates for v3.19, tagged as renesas-soc3-for-v3.19, merged into your next/soc branch and included in v3.19-rc1. - ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds Set .control_parent for all irqpin instances for sh73a0 SoC when booting using legacy C. - ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds This fixes a long standing problem which has been present since the sh73a0 SoC started using the INTC External IRQ pin driver. The patch that introduced the problem is 341eb5465f67437a ("ARM: shmobile: INTC External IRQ pin driver on sh73a0") which was included in v3.10. * tag 'renesas-soc-fixes-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds | 17 January 2015, 03:10:43 UTC |
25217fe | Abhilash Kesavan | 10 January 2015, 03:11:36 UTC | ARM: dts: disable CCI on exynos5420 based arndale-octa The arndale-octa board was giving "imprecise external aborts" during boot-up with MCPM enabled. CCI enablement of the boot cluster was found to be the cause of these aborts (possibly because the secure f/w was not allowing it). Hence, disable CCI for the arndale-octa board. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Tested-by: Kevin Hilman <khilman@linaro.org> Tested-by: Tyler Baker <tyler.baker@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:10:41 UTC |
896ddd6 | Abhilash Kesavan | 10 January 2015, 03:11:35 UTC | drivers: bus: check cci device tree node status The arm-cci driver completes the probe sequence even if the cci node is marked as disabled. Add a check in the driver to honour the cci status in the device tree. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Nicolas Pitre <nico@linaro.org> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Tested-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:10:41 UTC |
6fda93b | Olof Johansson | 12 January 2015, 22:11:58 UTC | Merge tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes Merge "at91: fixes for 3.19 #1 (ter)" from Nicolas Ferre: First fixes batch for AT91 on 3.19: - fix some DT entries - correct clock entry for the at91sam9263 LCD - add a phy_fixup for Eth1 on sama5d4 * tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91: ARM: at91: board-dt-sama5: add phy_fixup to override NAND_Tree ARM: at91/dt: sam9263: Add missing clocks to lcdc node ARM: at91: sama5d3: dt: correct the sound route ARM: at91/dt: sama5d4: fix the timer reg length Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:10:40 UTC |
c9b75d5 | Heiko Stübner | 11 January 2015, 22:09:23 UTC | ARM: rockchip: disable jtag/sdmmc autoswitching on rk3288 rk3288 SoCs have a function to automatically switch between jtag/sdmmc pinmux settings depending on the card state. This collides with a lot of assumptions. It only works when using the internal card-detect mechanism and breaks horribly when using either the normal card-detect via the slot-gpio function or via any other pin. Also there is of course no link between the mmc and jtag on the software-side, so the jtag clocks may very well be disabled when the card is ejected and the soc switches back to the jtag pinmux. Leaving the switching function enabled did result in mmc timeouts and rcu stalls thus hanging the system on 3.19-rc1. Therefore disable it in all cases, as we expect the devicetree to explicitly select either mmc or jtag pinmuxes anyway. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:10:39 UTC |
1dbb36b | Olof Johansson | 11 January 2015, 21:07:05 UTC | Merge tag 'berlin-fixes-for-3.19-1' of git://git.infradead.org/users/hesselba/linux-berlin into fixes Merge "ARM: berlin: Fixes for v3.19 (round 1)" from Sebastian Hesselbarth: Marvell Berlin fixes for v3.19 round 1: - SDHCI DT fixes for BG2Q and BG2Q reference board - BG2Q SM GPIO DT node relocation * tag 'berlin-fixes-for-3.19-1' of git://git.infradead.org/users/hesselba/linux-berlin: ARM: dts: berlin: correct BG2Q's SM GPIO location. ARM: dts: berlin: add broken-cd and set bus width for eMMC in Marvell DMP DT ARM: dts: berlin: fix io clk and add missing core clk for BG2Q sdhci2 host Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:10:39 UTC |
259e438 | Linus Walleij | 09 January 2015, 19:11:20 UTC | ARM: nomadik: fix up leftover device tree pins We altered the device tree bindings for the Nomadik family of pin controllers to be standard, this file was merged out-of-order so we missed fixing this. Fix it up. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:10:38 UTC |
e3db221 | Olof Johansson | 08 January 2015, 22:43:00 UTC | Merge tag 'omap-for-v3.19/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Merge "omap fixes against v3.19-rc1" from Tony Lindgren: Fixes for omaps mostly to deal with dra7 timer issues and hypervisor mode. The other fixes are minor fixes for various boards. The summary of the fixes is: - Fix real-time counter rate typos for some frequencies - Fix counter frequency drift for am572x - Fix booting of secondary CPU in HYP mode - Fix n900 board name for legacy user space - Fix cpufreq in omap2plus_defconfig after Kconfig change - Fix dra7 qspi partitions And also, let's re-enable smc91x on some n900 boards that we have sitting in a few test boot systems after the boot loader dependencies got fixed. * tag 'omap-for-v3.19/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: Revert disabling of smc91x for n900 ARM: dts: dra7-evm: fix qspi device tree partition size ARM: omap2plus_defconfig: use CONFIG_CPUFREQ_DT ARM: OMAP2+: Fix n900 board name for legacy user space ARM: omap5/dra7xx: Enable booting secondary CPU in HYP mode ARM: dra7xx: Fix counter frequency drift for AM572x errata i856 ARM: omap5/dra7xx: Fix frequency typos Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:10:37 UTC |
3be8142 | Olof Johansson | 08 January 2015, 22:42:11 UTC | Merge tag 'imx-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes Merge "ARM: imx: fixes for 3.19" from Shawn Guo: The i.MX fixes for 3.19: - One fix for incorrect i.MX25 SPI1 clock assignment in device tree, which causes system hang when accessing SPI1. - Correct i.MX6SX QSPI parent clock configuration to fix a kernel Oops. - Fix ULPI PHY reset modelling on imx51-babbage board to remove the dependency on bootloader for USB3317 ULPI PHY reset. - Correct video divider setting on i.MX6Q rev T0 1.0 to fix the issue that HDMI is not working at high resolution on T0 1.0. - One incremental fix for CODA960 VPU enabling in device tree to correct interrupt order. - LS1021A SCFG block works in BE mode, add device tree property big-endian to make it right. * tag 'imx-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: ARM: dts: imx51-babbage: Fix ULPI PHY reset modelling ARM: imx6sx: Set PLL2 as parent of QSPI clocks ARM: dts: imx25: Fix the SPI1 clocks ARM: clk-imx6q: fix video divider for rev T0 1.0 ARM: dts: imx6qdl: Fix CODA960 interrupt order ARM: ls1021a: dtsi: add 'big-endian' property for scfg node Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:10:37 UTC |
1591dc4 | Olof Johansson | 08 January 2015, 22:38:36 UTC | Merge tag 'v3.19-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes Merge "ARM: rockchip: dts fix for 3.19" from Heiko Stübner: Increase drive-strength to sdmmc pins on rk3288-evb to fix an issue with the fixed highspeed card detection. * tag 'v3.19-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: ARM: dts: rockchip: bump sd card pin drive strength up on rk3288-evb Signed-off-by: Olof Johansson <olof@lixom.net> | 17 January 2015, 03:10:36 UTC |
fc7f0dd | Louis Langholtz | 16 January 2015, 05:04:46 UTC | kernel: avoid overflow in cmp_range Avoid overflow possibility. [ The overflow is purely theoretical, since this is used for memory ranges that aren't even close to using the full 64 bits, but this is the right thing to do regardless. - Linus ] Signed-off-by: Louis Langholtz <lou_langholtz@me.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Peter Anvin <hpa@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 16 January 2015, 21:02:23 UTC |
6bcf9c1 | Sukadev Bhattiprolu | 22 November 2014, 01:33:53 UTC | perf tools powerpc: Use dwfl_report_elf() instead of offline. dwfl_report_offline() works only when libraries are prelinked. Replace dwfl_report_offline() with dwfl_report_elf() so we correctly extract debug info even from libraries that are not prelinked. Reported-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Tested-by: Jiri Olsa <jolsa@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Link: http://lkml.kernel.org/r/20150114221045.GA17703@us.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:30 UTC |
813ccd1 | Namhyung Kim | 14 January 2015, 11:18:05 UTC | perf tools: Fix segfault for symbol annotation on TUI Currently the symbol structure is allocated with symbol_conf.priv_size to carry sideband information like annotation, map browser on TUI and sort-by-name tree node. So retrieving these information from symbol needs to care about the details of such placement. However the annotation code just assumes that the symbol is placed after the struct annotation. But actually there's other info between them. So accessing those struct will lead to an undefined behavior (usually a crash) after they write their info to the same location. To reproduce the problem, please follow the steps below: 1. run perf report (TUI of course) with -v option 2. open map browser (by pressing right arrow key for any entry) 3. search any function (by pressing '/' key and input whatever..) 4. return to the hist browser (by pressing 'q' or left arrow key) 5. open annotation window for the same entry (by pressing 'a' key) Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1421234288-22758-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:29 UTC |
b93b096 | Wang Nan | 14 January 2015, 02:36:47 UTC | perf test: Fix dwarf unwind using libunwind. Perf tool fails to unwind user stack if the event raises in a shared object. This patch improves tests/dwarf-unwind.c to demonstrate the problem by utilizing commonly used glibc function "bsearch". If perf is not statically linked, the testcase will try to unwind a mixed call trace. By debugging libunwind I found that there is a bug in unwind-libunwind: it always passes 0 as segbase to libunwind, cause libunwind unable to locate debug_frame entry fir first level ip address (I add some more debugging output into libunwind to make things clear): >_Uarm_dwarf_find_debug_frame: start_ip = 10be98, end_ip = 10c2a4 >_Uarm_dwarf_find_debug_frame: found debug_frame table `/lib/libc-2.18.so': segbase=0x0, len=7, gp=0x0, table_data=0x449388 >_Uarm_dwarf_search_unwind_table: call lookup:ip = b6cd3bcc, segbase = 0, rel_ip = b6cd3bcc >lookup: e->start_ip_offset = bcf18 (rel_ip = b6cd3bcc) >lookup: e->start_ip_offset = 6d314 (rel_ip = b6cd3bcc) >lookup: e->start_ip_offset = 33d0c (rel_ip = b6cd3bcc) ... >lookup: e->start_ip_offset = 15d0c (rel_ip = b6cd3bcc) >lookup: e->start_ip_offset = 15c40 (rel_ip = b6cd3bcc) >_Uarm_dwarf_search_unwind_table: IP b6cd3bcc inside range b6c12000-b6d4c000, but no explicit unwind info found >put_rs_cache: unmasking signals/interrupts and releasing lock >_Uarm_dwarf_step: returning -10 >_Uarm_step: dwarf_step()=-10 This patch passes map->start as segbase to dwarf_find_debug_frame(), so di will be initialized correctly. In addition, dso and executable are different when setting segbase. This patch first check whether the elf is executable, and pass segbase only for shared object. Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Li Zefan <lizefan@huawei.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1421203007-75799-1-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:29 UTC |
ea1fe3a | Vineet Gupta | 13 January 2015, 13:43:22 UTC | perf tools: Avoid build splat for syscall numbers with uclibc This is due to duplicated unistd inclusion (via uClibc headers + kernel headers) Also seen on ARM uClibc based tools ------- ARC build ---------->8------------- CC util/evlist.o In file included from ~/arc/k.org/arch/arc/include/uapi/asm/unistd.h:25:0, from util/../perf-sys.h:10, from util/../perf.h:15, from util/event.h:7, from util/event.c:3: ~/arc/k.org/include/uapi/asm-generic/unistd.h:906:0: warning: "__NR_fcntl64" redefined [enabled by default] #define __NR_fcntl64 __NR3264_fcntl ^ In file included from ~/arc/gnu/INSTALL_1412-arc-2014.12-rc1/arc-snps-linux-uclibc/sysroot/usr/include/sys/syscall.h:24:0, from util/../perf-sys.h:6, ----------------->8------------------- ------- ARM build ---------->8------------- CC FPIC plugin_scsi.o In file included from util/../perf-sys.h:9:0, from util/../perf.h:15, from util/cache.h:7, from perf.c:12: ~/arc/k.org/arch/arm/include/uapi/asm/unistd.h:28:0: warning: "__NR_restart_syscall" redefined [enabled by default] In file included from ~/buildroot/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/sys/syscall.h:25:0, from util/../perf-sys.h:6, from util/../perf.h:15, from util/cache.h:7, from perf.c:12: ~/buildroot/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/bits/sysnum.h:17:0: note: this is the location of the previous definition ----------------->8------------------- Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1421156604-30603-4-git-send-email-vgupta@synopsys.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:29 UTC |
a83d869 | Vineet Gupta | 13 January 2015, 13:43:21 UTC | perf tools: Elide strlcpy warning with uclibc ----------------->8------------------ CC bench/sched-pipe.o In file included from builtin-annotate.c:13:0: util/cache.h:76:15: warning: redundant redeclaration of 'strlcpy' [-Wredundant-decls] extern size_t strlcpy(char *dest, const char *src, size_t size); ^ In file included from util/util.h:55:0, from builtin.h:4, from builtin-annotate.c:8: ~/vineetg/arc/gnu/INSTALL_1412-arc-2014.12-rc1/arc-snps-linux-uclibc/sysroot/usr/include/string.h:396:15: note: previous declaration of 'strlcpy' was here extern size_t strlcpy(char *__restrict dst, const char *__restrict src, ----------------->8------------------ Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1421156604-30603-3-git-send-email-vgupta@synopsys.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:29 UTC |
db1806e | Alexey Brodkin | 10 January 2015, 11:10:50 UTC | perf tools: Fix statfs.f_type data type mismatch build error with uclibc ARC Linux uses the no legacy syscalls abi and corresponding uClibc headers statfs defines f_type to be U32 which causes perf build breakage http://git.uclibc.org/uClibc/tree/libc/sysdeps/linux/common-generic/bits/statfs.h ----------->8--------------- CC fs/fs.o fs/fs.c: In function 'fs__valid_mount': fs/fs.c:82:24: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare] else if (st_fs.f_type != magic) ^ cc1: all warnings being treated as errors ----------->8--------------- Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Cody P Schafer <dev@codyps.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com> Link: http://lkml.kernel.org/r/1420888254-17504-2-git-send-email-vgupta@synopsys.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:29 UTC |
25cd480 | Arnaldo Carvalho de Melo | 13 January 2015, 13:19:12 UTC | tools: Remove bitops/hweight usage of bits in tools/perf We need to use lib/hweight.c for that, just like we do for lib/rbtree.c, so tools need to link hweight.o. For now do it directly, but we need to have a tools/lib/lk.a or .so that collects these goodies... Reported-by: Jan Beulich <JBeulich@suse.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-a1e91dx3apzqw5kbdt7ut21s@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:29 UTC |
260d819 | Namhyung Kim | 09 January 2015, 00:38:12 UTC | perf machine: Fix __machine__findnew_thread() error path When thread__init_map_groups() fails, a new thread should be removed from the rbtree since it's gonna be freed. Also update last match cache only if the function succeeded. Reported-by: David Ahern <dsahern@gmail.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1420763892-15535-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:28 UTC |
c6e5e9f | Namhyung Kim | 12 January 2015, 02:20:55 UTC | perf tools: Fix building error in x86_64 when dwarf unwind is on When build with 'make ARCH=x86' and dwarf unwind is on, there is a compiling error: CC /home/wn/perf/arch/x86/util/unwind-libdw.o CC /home/wn/perf/arch/x86/tests/regs_load.o arch/x86/tests/regs_load.S: Assembler messages: arch/x86/tests/regs_load.S:65: Error: operand type mismatch for `push' arch/x86/tests/regs_load.S:72: Error: operand type mismatch for `pop' make[1]: *** [/home/wn/perf/arch/x86/tests/regs_load.o] Error 1 make[1]: INTERNAL: Exiting with 25 jobserver tokens available; should be 24! make: *** [all] Error 2 ... Which is caused by incorrectly undefine macro HAVE_ARCH_X86_64_SUPPORT. 'config/Makefile.arch' tests __x86_64__ only when 'ARCH=x86_64'. However, when building x86_64 kernel, ARCH=x86 is valid and commonly used. Build systems, such as yocto, uses x86_64 compiler with 'ARCH=x86' to build x86_64 perf, which causes mismatching. As __LP64__ is defined for x86_64 as well, we can consolidate the __x86_64__ check to the __LP64__ check and get rid of the IS_X86_64 IMHO. (This patch is made by Namhyung Kim when replying my v1 patch: https://lkml.org/lkml/2015/1/7/17 I modified the code to remove dependency on RAW_ARCH: https://lkml.org/lkml/2015/1/7/865 Namhyung Kim didn't provide his SOB in his original email. I add mine only for my modification.) Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Li Zefan <lizefan@huawei.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1421029255-23039-1-git-send-email-wangnan0@huawei.com [ Namhyung provided his S-o-B on a followup to this patch thread on lkml ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:28 UTC |
7949ba1 | Namhyung Kim | 10 January 2015, 10:33:48 UTC | perf probe: Propagate error code when write(2) failed When it failed to write probe commands to the probe_event file in debugfs, it needs to propagate the error code properly. Current code blindly uses the return value of the write(2) so it always uses -1 (-EPERM) and it might confuse users. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1420886028-15135-4-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 16 January 2015, 20:49:28 UTC |
7ad4b4a | Linus Torvalds | 16 January 2015, 19:18:08 UTC | Merge tag 'char-misc-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are three small driver fixes for reported issues for 3.19-rc5. All of these have been in linux-next for a while with no reported problems" * tag 'char-misc-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: mcb: mcb-pci: Only remap the 1st 0x200 bytes of BAR 0 mei: add ABI documentation for fw_status exported through sysfs mei: clean reset bit before reset | 16 January 2015, 19:18:08 UTC |
62b1530 | Linus Torvalds | 16 January 2015, 19:16:52 UTC | Merge tag 'driver-core-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fix from Greg KH: "Here is one kernfs fix for a reported issue for 3.19-rc5. It has been in linux-next for a while" * tag 'driver-core-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: kernfs: Fix kernfs_name_compare | 16 January 2015, 19:16:52 UTC |
7b78de8 | Linus Torvalds | 16 January 2015, 19:15:49 UTC | Merge tag 'tty-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver fixes from Greg KH: "Here are some tty and serial driver fixes for 3.19-rc5 that resolve some reported issues, and add a new device id to the 8250 serial port driver. All have been in linux-next with no reported problems" * tag 'tty-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: samsung: Add the support for Exynos5433 SoC Revert "tty: Fix pty master poll() after slave closes v2" tty: Prevent hw state corruption in exclusive mode reopen tty: Add support for the WCH384 4S multi-IO card serial: fix parisc boot hang | 16 January 2015, 19:15:49 UTC |
937102f | Linus Torvalds | 16 January 2015, 19:13:45 UTC | Merge tag 'staging-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg KH: "Here are 6 staging driver fixes for 3.19-rc5. They fix some reported issues with some IIO drivers, as well as some issues with the vt6655 wireless driver. All have been in linux-next for a while" * tag 'staging-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: vt6655: fix sparse warning: argument type staging: vt6655: Fix loss of distant/weak access points on channel change. staging: vt6655: vnt_tx_packet Fix corrupted tx packets. staging: vt6655: fix sparse warnings: incorrect argument type iio: iio: Fix iio_channel_read return if channel havn't info iio: ad799x: Fix ad7991/ad7995/ad7999 config setup | 16 January 2015, 19:13:45 UTC |
79600d4 | Linus Torvalds | 16 January 2015, 19:02:44 UTC | Merge tag 'usb-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here is a bunch of USB fixes for 3.19-rc5. Most of these are gadget driver fixes, along with the xhci driver fix that we both reported having problems with, as well as some new device ids and other tiny fixes. All have been in linux-next with no problems" * tag 'usb-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (43 commits) usb: dwc3: gadget: Stop TRB preparation after limit is reached usb: dwc3: gadget: Fix TRB preparation during SG usb: phy: mv-usb: fix usb_phy build errors usb: serial: handle -ENODEV quietly in generic_submit_read_urb usb: serial: silence all non-critical read errors USB: console: fix potential use after free USB: console: fix uninitialised ldisc semaphore usb: gadget: udc: atmel: fix possible oops when unloading module usb: gadget: gadgetfs: fix an oops in ep_write() usb: phy: Fix deferred probing OHCI: add a quirk for ULi M5237 blocking on reset uas: Add US_FL_NO_ATA_1X for 2 more Seagate disk enclosures uas: Do not blacklist ASM1153 disk enclosures usb: gadget: udc: avoid dereference before NULL check in ep_queue usb: host: ehci-tegra: request deferred probe when failing to get phy uas: disable UAS on Apricorn SATA dongles uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS566 with usb-id 0bc2:a013 uas: Add US_FL_NO_ATA_1X for Seagate devices with usb-id 0bc2:a013 xhci: Add broken-streams quirk for Fresco Logic FL1000G xhci controllers USB: EHCI: adjust error return code ... | 16 January 2015, 19:02:44 UTC |
fa818dc | Linus Torvalds | 16 January 2015, 19:01:21 UTC | Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: - Wire up compat_sys_execveat for compat (AArch32) tasks - Revert 421520ba9829, as this breaks our side of the boot protocol * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: partially revert "ARM: 8167/1: extend the reserved memory for initrd to be page aligned" arm64: compat: wire up compat_sys_execveat | 16 January 2015, 19:01:21 UTC |
a2a32cd | Linus Torvalds | 16 January 2015, 18:59:06 UTC | Merge tag 'nfs-for-3.19-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs Pull NFS client bugfixes from Trond Myklebust: "Highlights include: - Stable fix for a NFSv3/lockd race - Fixes for several NFSv4.1 client id trunking bugs - Remove an incorrect test when checking for delegated opens" * tag 'nfs-for-3.19-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv4: Remove incorrect check in can_open_delegated() NFS: Ignore transport protocol when detecting server trunking NFSv4/v4.1: Verify the client owner id during trunking detection NFSv4: Cache the NFSv4/v4.1 client owner_id in the struct nfs_client NFSv4.1: Fix client id trunking on Linux LOCKD: Fix a race when initialising nlmsvc_timeout | 16 January 2015, 18:59:06 UTC |
23aa4b4 | Linus Torvalds | 16 January 2015, 18:55:52 UTC | Merge tag 'trace-fixes-v3.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull ftrace fixes from Steven Rostedt: "This holds a few fixes to the ftrace infrastructure as well as the mixture of function graph tracing and kprobes. When jprobes and function graph tracing is enabled at the same time it will crash the system: # modprobe jprobe_example # echo function_graph > /sys/kernel/debug/tracing/current_tracer After the first fork (jprobe_example probes it), the system will crash. This is due to the way jprobes copies the stack frame and does not do a normal function return. This messes up with the function graph tracing accounting which hijacks the return address from the stack and replaces it with a hook function. It saves the return addresses in a separate stack to put back the correct return address when done. But because the jprobe functions do not do a normal return, their stack addresses are not put back until the function they probe is called, which means that the probed function will get the return address of the jprobe handler instead of its own. The simple fix here was to disable function graph tracing while the jprobe handler is being called. While debugging this I found two minor bugs with the function graph tracing. The first was about the function graph tracer sharing its function hash with the function tracer (they both get filtered by the same input). The changing of the set_ftrace_filter would not sync the function recording records after a change if the function tracer was disabled but the function graph tracer was enabled. This was due to the update only checking one of the ops instead of the shared ops to see if they were enabled and should perform the sync. This caused the ftrace accounting to break and a ftrace_bug() would be triggered, disabling ftrace until a reboot. The second was that the check to update records only checked one of the filter hashes. It needs to test both the "filter" and "notrace" hashes. The "filter" hash determines what functions to trace where as the "notrace" hash determines what functions not to trace (trace all but these). Both hashes need to be passed to the update code to find out what change is being done during the update. This also broke the ftrace record accounting and triggered a ftrace_bug(). This patch set also include two more fixes that were reported separately from the kprobe issue. One was that init_ftrace_syscalls() was called twice at boot up. This is not a major bug, but that call performed a rather large kmalloc (NR_syscalls * sizeof(*syscalls_metadata)). The second call made the first one a memory leak, and wastes memory. The other fix is a regression caused by an update in the v3.19 merge window. The moving to enable events early, moved the enabling before PID 1 was created. The syscall events require setting the TIF_SYSCALL_TRACEPOINT for all tasks. But for_each_process_thread() does not include the swapper task (PID 0), and ended up being a nop. A suggested fix was to add the init_task() to have its flag set, but I didn't really want to mess with PID 0 for this minor bug. Instead I disable and re-enable events again at early_initcall() where it use to be enabled. This also handles any other event that might have its own reg function that could break at early boot up" * tag 'trace-fixes-v3.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix enabling of syscall events on the command line tracing: Remove extra call to init_ftrace_syscalls() ftrace/jprobes/x86: Fix conflict between jprobes and function graph tracing ftrace: Check both notrace and filter for old hash ftrace: Fix updating of filters for shared global_ops filters | 16 January 2015, 18:55:52 UTC |
0145058 | Catalin Marinas | 16 January 2015, 13:56:38 UTC | arm64: partially revert "ARM: 8167/1: extend the reserved memory for initrd to be page aligned" This patch partially reverts commit 421520ba98290a73b35b7644e877a48f18e06004 (only the arm64 part). There is no guarantee that the boot-loader places other images like dtb in a different page than initrd start/end, especially when the kernel is built with 64KB pages. When this happens, such pages must not be freed. The free_reserved_area() already takes care of rounding up "start" and rounding down "end" to avoid freeing partially used pages. Cc: <stable@vger.kernel.org> # 3.17+ Reported-by: Peter Maydell <Peter.Maydell@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> | 16 January 2015, 13:57:33 UTC |
3363673 | Kan Liang | 12 January 2015, 17:42:21 UTC | perf/x86/intel: Fix bug for "cycles:p" and "cycles:pp" on SLM cycles:p and cycles:pp do not work on SLM since commit: 86a04461a99f ("perf/x86: Revamp PEBS event selection") UOPS_RETIRED.ALL is not a PEBS capable event, so it should not be used to count cycle number. Actually SLM calls intel_pebs_aliases_core2() which uses INST_RETIRED.ANY_P to count the number of cycles. It's a PEBS capable event. But inv and cmask must be set to count cycles. Considering SLM allows all events as PEBS with no flags, only INST_RETIRED.ANY_P, inv=1, cmask=16 needs to handled specially. Signed-off-by: Kan Liang <kan.liang@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: http://lkml.kernel.org/r/1421084541-31639-1-git-send-email-kan.liang@intel.com Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> | 16 January 2015, 08:06:59 UTC |
433678b | Stephane Eranian | 13 January 2015, 22:59:53 UTC | perf/rapl: Fix sysfs_show() initialization for RAPL PMU This patch fixes a problem with the initialization of the sysfs_show() routine for the RAPL PMU. The current code was wrongly relying on the EVENT_ATTR_STR() macro which uses the events_sysfs_show() function in the x86 PMU code. That function itself was relying on the x86_pmu data structure. Yet RAPL and the core PMU (x86_pmu) have nothing to do with each other. They should therefore not interact with each other. The x86_pmu structure is initialized at boot time based on the host CPU model. When the host CPU is not supported, the x86_pmu remains uninitialized and some of the callbacks it contains are NULL. The false dependency with x86_pmu could potentially cause crashes in case the x86_pmu is not initialized while the RAPL PMU is. This may, for instance, be the case in virtualized environments. This patch fixes the problem by using a private sysfs_show() routine for exporting the RAPL PMU events. Signed-off-by: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150113225953.GA21525@thinkpad Cc: vincent.weaver@maine.edu Cc: jolsa@redhat.com Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> | 16 January 2015, 08:06:58 UTC |
cb59670 | Linus Torvalds | 16 January 2015, 01:58:16 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse fixes from Miklos Szeredi: "This fixes a regression in the latest fuse update plus a fix for a rather theoretical memory ordering issue" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: add memory barrier to INIT fuse: fix LOOKUP vs INIT compat handling | 16 January 2015, 01:58:16 UTC |
0b6212e | Linus Torvalds | 16 January 2015, 01:55:47 UTC | Merge tag 'fbdev-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev fixes from Tomi Valkeinen: - broadsheetfb: fix memory leak - simplefb: fix build failure on sparc * tag 'fbdev-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: fbdev/broadsheetfb: fix memory leak simplefb: Fix build failure on Sparc | 16 January 2015, 01:55:47 UTC |
7b552bc | Linus Torvalds | 16 January 2015, 01:53:07 UTC | Merge tag 'mmc-v3.19-4' of git://git.linaro.org/people/ulf.hansson/mmc Pull MMC bugfix from Ulf Hansson: "Fix sdhci regulator regression for Qualcomm and Nvidia boards" * tag 'mmc-v3.19-4' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: sdhci: Set SDHCI_POWER_ON with external vmmc | 16 January 2015, 01:53:07 UTC |
f8cb395 | Linus Torvalds | 16 January 2015, 01:29:21 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k fixlet from Geert Uytterhoeven. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Wire up execveat | 16 January 2015, 01:29:21 UTC |
3fa116e | Linus Torvalds | 16 January 2015, 01:28:01 UTC | Merge tag 'powerpc-3.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux Pull powerpc fixes from Michael Ellerman: "A few powerpc fixes" * tag 'powerpc-3.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: powerpc: Work around gcc bug in current_thread_info() cxl: Fix issues when unmapping contexts powernv: Fix OPAL tracepoint code | 16 January 2015, 01:28:01 UTC |
ce1039b | Steven Rostedt (Red Hat) | 14 January 2015, 17:53:45 UTC | tracing: Fix enabling of syscall events on the command line Commit 5f893b2639b2 "tracing: Move enabling tracepoints to just after rcu_init()" broke the enabling of system call events from the command line. The reason was that the enabling of command line trace events was moved before PID 1 started, and the syscall tracepoints require that all tasks have the TIF_SYSCALL_TRACEPOINT flag set. But the swapper task (pid 0) is not part of that. Since the swapper task is the only task that is running at this early in boot, no task gets the flag set, and the tracepoint never gets reached. Instead of setting the swapper task flag (there should be no reason to do that), re-enabled trace events again after the init thread (PID 1) has been started. It requires disabling all command line events and re-enabling them, as just enabling them again will not reset the logic to set the TIF_SYSCALL_TRACEPOINT flag, as the syscall tracepoint will be fooled into thinking that it was already set, and wont try setting it again. For this reason, we must first disable it and re-enable it. Link: http://lkml.kernel.org/r/1421188517-18312-1-git-send-email-mpe@ellerman.id.au Link: http://lkml.kernel.org/r/20150115040506.216066449@goodmis.org Reported-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> | 15 January 2015, 14:42:50 UTC |
83829b7 | Steven Rostedt (Red Hat) | 14 January 2015, 17:24:37 UTC | tracing: Remove extra call to init_ftrace_syscalls() trace_init() calls init_ftrace_syscalls() and then calls trace_event_init() which also calls init_ftrace_syscalls(). It makes more sense to only call it from trace_event_init(). Calling it twice wastes memory, as it allocates the syscall events twice, and loses the first copy of it. Link: http://lkml.kernel.org/r/54AF53BD.5070303@huawei.com Link: http://lkml.kernel.org/r/20150115040505.930398632@goodmis.org Reported-by: Wang Nan <wangnan0@huawei.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> | 15 January 2015, 14:41:11 UTC |
237d28d | Steven Rostedt (Red Hat) | 12 January 2015, 17:12:03 UTC | ftrace/jprobes/x86: Fix conflict between jprobes and function graph tracing If the function graph tracer traces a jprobe callback, the system will crash. This can easily be demonstrated by compiling the jprobe sample module that is in the kernel tree, loading it and running the function graph tracer. # modprobe jprobe_example.ko # echo function_graph > /sys/kernel/debug/tracing/current_tracer # ls The first two commands end up in a nice crash after the first fork. (do_fork has a jprobe attached to it, so "ls" just triggers that fork) The problem is caused by the jprobe_return() that all jprobe callbacks must end with. The way jprobes works is that the function a jprobe is attached to has a breakpoint placed at the start of it (or it uses ftrace if fentry is supported). The breakpoint handler (or ftrace callback) will copy the stack frame and change the ip address to return to the jprobe handler instead of the function. The jprobe handler must end with jprobe_return() which swaps the stack and does an int3 (breakpoint). This breakpoint handler will then put back the saved stack frame, simulate the instruction at the beginning of the function it added a breakpoint to, and then continue on. For function tracing to work, it hijakes the return address from the stack frame, and replaces it with a hook function that will trace the end of the call. This hook function will restore the return address of the function call. If the function tracer traces the jprobe handler, the hook function for that handler will not be called, and its saved return address will be used for the next function. This will result in a kernel crash. To solve this, pause function tracing before the jprobe handler is called and unpause it before it returns back to the function it probed. Some other updates: Used a variable "saved_sp" to hold kcb->jprobe_saved_sp. This makes the code look a bit cleaner and easier to understand (various tries to fix this bug required this change). Note, if fentry is being used, jprobes will change the ip address before the function graph tracer runs and it will not be able to trace the function that the jprobe is probing. Link: http://lkml.kernel.org/r/20150114154329.552437962@goodmis.org Cc: stable@vger.kernel.org # 2.6.30+ Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> | 15 January 2015, 14:39:18 UTC |
7485058 | Steven Rostedt (Red Hat) | 13 January 2015, 19:03:38 UTC | ftrace: Check both notrace and filter for old hash Using just the filter for checking for trampolines or regs is not enough when updating the code against the records that represent all functions. Both the filter hash and the notrace hash need to be checked. To trigger this bug (using trace-cmd and perf): # perf probe -a do_fork # trace-cmd start -B foo -e probe # trace-cmd record -p function_graph -n do_fork sleep 1 The trace-cmd record at the end clears the filter before it disables function_graph tracing and then that causes the accounting of the ftrace function records to become incorrect and causes ftrace to bug. Link: http://lkml.kernel.org/r/20150114154329.358378039@goodmis.org Cc: stable@vger.kernel.org [ still need to switch old_hash_ops to old_ops_hash ] Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> | 15 January 2015, 14:37:33 UTC |
8f86f83 | Steven Rostedt (Red Hat) | 13 January 2015, 16:20:43 UTC | ftrace: Fix updating of filters for shared global_ops filters As the set_ftrace_filter affects both the function tracer as well as the function graph tracer, the ops that represent each have a shared ftrace_ops_hash structure. This allows both to be updated when the filter files are updated. But if function graph is enabled and the global_ops (function tracing) ops is not, then it is possible that the filter could be changed without the update happening for the function graph ops. This will cause the changes to not take place and may even cause a ftrace_bug to occur as it could mess with the trampoline accounting. The solution is to check if the ops uses the shared global_ops filter and if the ops itself is not enabled, to check if there's another ops that is enabled and also shares the global_ops filter. In that case, the modification still needs to be executed. Link: http://lkml.kernel.org/r/20150114154329.055980438@goodmis.org Cc: stable@vger.kernel.org # 3.17+ Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> | 15 January 2015, 14:37:07 UTC |
f800c25 | Linus Torvalds | 15 January 2015, 06:20:26 UTC | Merge branch 'thermal-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux Pull thermal fixes from Zhang Rui: "Specifics: - bogus type qualifier fix in OF thermal code. - Minor fixes on imx and rcar thermal drivers. - Update TI SoC thermal maintainer entry. - Updated documentation of OF cpufreq cooling register" * 'thermal-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: thermal: rcar: Spelling/grammar: s/drier use .../driver uses ...s/ thermal: rcar: change type of ctemp in rcar_thermal_update_temp() thermal: rcar: fix ENR register value Documentation: thermal: document of_cpufreq_cooling_register() Thermal: imx: add clk disable/enable for suspend/resume MAINTAINERS: update ti-soc-thermal status MAINTAINERS: Add linux-omap to list of reviewers for TI Thermal thermal: of: Remove bogus type qualifier for of_thermal_get_trip_points() | 15 January 2015, 06:20:26 UTC |
f8359da | Greg Kroah-Hartman | 15 January 2015, 00:27:23 UTC | Merge tag 'fixes-for-v3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus Felipe writes: usb: fixes for v3.19-rc6 The final set of fixes for v3.19. Two of the fixes are related to dwc3 scatter/gather implementation when we have more requests queued than available TRBs, while the other is a build fix for mv-usb PHY. Signed-off-by: Felipe Balbi <balbi@ti.com> | 15 January 2015, 00:27:23 UTC |
919ba4e | Greg Kroah-Hartman | 14 January 2015, 23:39:23 UTC | Merge tag 'usb-serial-3.19-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus Johan writes: USB-serial fixes for v3.18-rc5 Here are a few fixes for reported problems including a possible null-deref on probe with keyspan, a misbehaving modem, and a couple of issues with the USB console. Some new device IDs are also added. Signed-off-by: Johan Hovold <johan@kernel.org> | 14 January 2015, 23:39:23 UTC |
a6391a9 | Linus Torvalds | 14 January 2015, 22:17:37 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Pull networking fixes from David Miller: 1) Don't use uninitialized data in IPVS, from Dan Carpenter. 2) conntrack race fixes from Pablo Neira Ayuso. 3) Fix TX hangs with i40e, from Jesse Brandeburg. 4) Fix budget return from poll calls in dnet and alx, from Eric Dumazet. 5) Fix bugus "if (unlikely(x) < 0)" test in AF_PACKET, from Christoph Jaeger. 6) Fix bug introduced by conversion to list_head in TIPC retransmit code, from Jon Paul Maloy. 7) Don't use GFP_NOIO under spinlock in USB kaweth driver, from Alexey Khoroshilov. 8) Fix bridge build with INET disabled, from Arnd Bergmann. 9) Fix netlink array overrun for PROBE attributes in openvswitch, from Thomas Graf. 10) Don't hold spinlock across synchronize_irq() in tg3 driver, from Prashant Sreedharan. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits) tg3: Release tp->lock before invoking synchronize_irq() tg3: tg3_reset_task() needs to use rtnl_lock to synchronize tg3: tg3_timer() should grab tp->lock before checking for tp->irq_sync team: avoid possible underflow of count_pending value for notify_peers and mcast_rejoin openvswitch: packet messages need their own probe attribtue i40e: adds FCoE configure option cxgb4vf: Fix queue allocation for 40G adapter netdevice: Add missing parentheses in macro bridge: only provide proxy ARP when CONFIG_INET is enabled neighbour: fix base_reachable_time(_ms) not effective immediatly when changed net: fec: fix MDIO bus assignement for dual fec SoC's xen-netfront: use different locks for Rx and Tx stats drivers: net: cpsw: fix multicast flush in dual emac mode cxgb4vf: Initialize mdio_addr before using it net: Corrected the comment describing the ndo operations to reflect the actual prototype for couple of operations usb/kaweth: use GFP_ATOMIC under spin_lock in usb_start_wait_urb() MAINTAINERS: add me as ibmveth maintainer tipc: fix bug in broadcast retransmit code update ip-sysctl.txt documentation (v2) net/at91_ether: prepare and unprepare clock ... | 14 January 2015, 22:17:37 UTC |
c637dbc | David S. Miller | 14 January 2015, 22:05:55 UTC | Merge branch 'tg3-net' Prashant Sreedharan says: ==================== tg3: synchronize_irq() should be called without taking locks v2: Added Reported-by, Tested-by fields and reference to the thread that reported the problem This series addresses the problem reported by Peter Hurley in mail thread https://lkml.org/lkml/2015/1/12/1082 ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 22:05:55 UTC |
932f19d | Prashant Sreedharan | 14 January 2015, 19:34:44 UTC | tg3: Release tp->lock before invoking synchronize_irq() synchronize_irq() can sleep waiting, for pending IRQ handlers so driver should release the tp->lock spin lock before invoking synchronize_irq() Reported-by: Peter Hurley <peter@hurleysoftware.com> Tested-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Prashant Sreedharan <prashant@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 22:05:51 UTC |
db84bf4 | Prashant Sreedharan | 14 January 2015, 19:34:17 UTC | tg3: tg3_reset_task() needs to use rtnl_lock to synchronize Currently tg3_reset_task() uses only tp->lock for synchronizing with code paths like tg3_open() etc. But since tp->lock is released before doing synchronize_irq(), rtnl_lock should be taken in tg3_reset_task() to synchronize it with other code paths. Reported-by: Peter Hurley <peter@hurleysoftware.com> Tested-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Prashant Sreedharan <prashant@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 22:05:51 UTC |
4fd190a | Prashant Sreedharan | 14 January 2015, 19:33:49 UTC | tg3: tg3_timer() should grab tp->lock before checking for tp->irq_sync This is to avoid the race between tg3_timer() and the execution paths which does not invoke tg3_timer_stop() and releases tp->lock before calling synchronize_irq() Reported-by: Peter Hurley <peter@hurleysoftware.com> Tested-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Prashant Sreedharan <prashant@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 22:05:50 UTC |
48c53db | Linus Torvalds | 14 January 2015, 21:54:30 UTC | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm fixes from Paolo Bonzini: "Two bugfixes for arm64. I will have another pull request next week, but otherwise things are calm" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: arm64: KVM: Fix HCR setting for 32bit guests arm64: KVM: Fix TLB invalidation by IPA/VMID | 14 January 2015, 21:54:30 UTC |
b0d11b4 | Jiri Pirko | 14 January 2015, 17:15:30 UTC | team: avoid possible underflow of count_pending value for notify_peers and mcast_rejoin This patch is fixing a race condition that may cause setting count_pending to -1, which results in unwanted big bulk of arp messages (in case of "notify peers"). Consider following scenario: count_pending == 2 CPU0 CPU1 team_notify_peers_work atomic_dec_and_test (dec count_pending to 1) schedule_delayed_work team_notify_peers atomic_add (adding 1 to count_pending) team_notify_peers_work atomic_dec_and_test (dec count_pending to 1) schedule_delayed_work team_notify_peers_work atomic_dec_and_test (dec count_pending to 0) schedule_delayed_work team_notify_peers_work atomic_dec_and_test (dec count_pending to -1) Fix this race by using atomic_dec_if_positive - that will prevent count_pending running under 0. Fixes: fc423ff00df3a1955441 ("team: add peer notification") Fixes: 492b200efdd20b8fcfd ("team: add support for sending multicast rejoins") Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 21:53:57 UTC |
6fb400d | Linus Torvalds | 14 January 2015, 21:50:29 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Martin Schwidefsky: "Two small performance tweaks, the plumbing for the execveat system call and a couple of bug fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/uprobes: fix user space PER events s390/bpf: Fix JMP_JGE_X (A > X) and JMP_JGT_X (A >= X) s390/bpf: Fix ALU_NEG (A = -A) s390/mm: avoid using pmd_to_page for !USE_SPLIT_PMD_PTLOCKS s390/timex: fix get_tod_clock_ext() inline assembly s390: wire up execveat syscall s390/kernel: use stnsm 255 instead of stosm 0 s390/vtime: Get rid of redundant WARN_ON s390/zcrypt: kernel oops at insmod of the z90crypt device driver | 14 January 2015, 21:50:29 UTC |
1ba3980 | Thomas Graf | 14 January 2015, 13:56:19 UTC | openvswitch: packet messages need their own probe attribtue User space is currently sending a OVS_FLOW_ATTR_PROBE for both flow and packet messages. This leads to an out-of-bounds access in ovs_packet_cmd_execute() because OVS_FLOW_ATTR_PROBE > OVS_PACKET_ATTR_MAX. Introduce a new OVS_PACKET_ATTR_PROBE with the same numeric value as OVS_FLOW_ATTR_PROBE to grow the range of accepted packet attributes while maintaining to be binary compatible with existing OVS binaries. Fixes: 05da589 ("openvswitch: Add support for OVS_FLOW_ATTR_PROBE.") Reported-by: Sander Eikelenboom <linux@eikelenboom.it> Tracked-down-by: Florian Westphal <fw@strlen.de> Signed-off-by: Thomas Graf <tgraf@suug.ch> Reviewed-by: Jesse Gross <jesse@nicira.com> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 21:49:44 UTC |
776d4e9 | Vasu Dev | 14 January 2015, 13:14:07 UTC | i40e: adds FCoE configure option Adds FCoE config option I40E_FCOE, so that FCoE can be enabled as needed but otherwise have it disabled by default. This also eliminate multiple FCoE config checks, instead now just one config check for CONFIG_I40E_FCOE. The I40E FCoE was added with 3.17 kernel and therefore this patch shall be applied to stable 3.17 kernel also. CC: <stable@vger.kernel.org> Signed-off-by: Vasu Dev <vasu.dev@intel.com> Tested-by: Jim Young <jamesx.m.young@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 21:48:39 UTC |
14b3812 | Hariprasad Shenai | 14 January 2015, 12:28:10 UTC | cxgb4vf: Fix queue allocation for 40G adapter Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 21:48:08 UTC |
fb005c4 | Linus Torvalds | 14 January 2015, 21:38:07 UTC | Merge tag 'locks-v3.19-1' of git://git.samba.org/jlayton/linux Pull file locking fix from Jeff Layton: "Just a simple bugfix for a regression that I introduced into v3.18 with the internal lease API overhaul -- mea culpa. Kudos to Linda and Neil for tracking this down and fixing it" * tag 'locks-v3.19-1' of git://git.samba.org/jlayton/linux: locks: fix NULL-deref in generic_delete_lease | 14 January 2015, 21:38:07 UTC |
4ccce02 | Benjamin Poirier | 14 January 2015, 07:52:35 UTC | netdevice: Add missing parentheses in macro For example, one could conceivably call for_each_netdev_in_bond_rcu(condition ? bond1 : bond2, slave) and get an unexpected result. Signed-off-by: Benjamin Poirier <bpoirier@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 21:34:41 UTC |
31238e6 | Linus Torvalds | 14 January 2015, 21:27:56 UTC | Merge branch 'for-linus' of git://git.kernel.dk/linux-block Pull block layer fixes from Jens Axboe: "The major part is an update to the NVMe driver, fixing various issues around surprise removal and hung controllers. Most of that is from Keith, and parts are simple blk-mq fixes or exports/additions of minor functions to aid this effort, and parts are changes directly to the NVMe driver. Apart from the above, this contains: - Small blk-mq change from me, killing an unused member of the hardware queue structure. - Small fix from Ming Lei, fixing up a few drivers that didn't properly check for ERR_PTR() returns from blk_mq_init_queue()" * 'for-linus' of git://git.kernel.dk/linux-block: NVMe: Fix locking on abort handling NVMe: Start and stop h/w queues on reset NVMe: Command abort handling fixes NVMe: Admin queue removal handling NVMe: Reference count admin queue usage NVMe: Start all requests blk-mq: End unstarted requests on a dying queue blk-mq: Allow requests to never expire blk-mq: Add helper to abort requeued requests blk-mq: Let drivers cancel requeue_work blk-mq: Export if requests were started blk-mq: Wake tasks entering queue on dying blk-mq: get rid of ->cmd_size in the hardware queue block: fix checking return value of blk_mq_init_queue block: wake up waiters when a queue is marked dying NVMe: Fix double free irq blk-mq: Export freeze/unfreeze functions blk-mq: Exit queue on alloc failure | 14 January 2015, 21:27:56 UTC |
d92cfdb | Arnd Bergmann | 13 January 2015, 14:10:27 UTC | bridge: only provide proxy ARP when CONFIG_INET is enabled When IPV4 support is disabled, we cannot call arp_send from the bridge code, which would result in a kernel link error: net/built-in.o: In function `br_handle_frame_finish': :(.text+0x59914): undefined reference to `arp_send' :(.text+0x59a50): undefined reference to `arp_tbl' This makes the newly added proxy ARP support in the bridge code depend on the CONFIG_INET symbol and lets the compiler optimize the code out to avoid the link error. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 958501163ddd ("bridge: Add support for IEEE 802.11 Proxy ARP") Cc: Kyeyoon Park <kyeyoonp@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 20:08:02 UTC |
39e6063 | Amit Virdi | 13 January 2015, 08:57:21 UTC | usb: dwc3: gadget: Stop TRB preparation after limit is reached DWC3 gadget sets up a pool of 32 TRBs for each EP during initialization. This means, the max TRBs that can be submitted for an EP is fixed to 32. Since the request queue for an EP is a linked list, any number of requests can be queued to it by the gadget layer. However, the dwc3 driver must not submit TRBs more than the pool it has created for. This limit wasn't respected when SG was used resulting in submitting more than the max TRBs, eventually leading to non-transfer of the TRBs submitted over the max limit. Root cause: When SG is used, there are two loops iterating to prepare TRBs: - Outer loop over the request_list - Inner loop over the SG list The code was missing break to get out of the outer loop. Fixes: eeb720fb21d6 (usb: dwc3: gadget: add support for SG lists) Cc: <stable@vger.kernel.org> # v3.9+ Signed-off-by: Amit Virdi <amit.virdi@st.com> Signed-off-by: Felipe Balbi <balbi@ti.com> | 14 January 2015, 17:29:05 UTC |
ec512fb | Amit Virdi | 13 January 2015, 08:57:20 UTC | usb: dwc3: gadget: Fix TRB preparation during SG When scatter gather (SG) is used, multiple TRBs are prepared from one DWC3 request (dwc3_request). So while preparing TRBs, the 'last' flag should be set only when it is the last TRB being prepared from the last dwc3_request entry. The current implementation uses list_is_last to check if the dwc3_request is the last entry from the request_list. However, list_is_last returns false for the last entry too. This is because, while preparing the first TRB from a request, the function dwc3_prepare_one_trb modifies the request's next and prev pointers while moving the URB to req_queued. Hence, list_is_last always returns false no matter what. The correct way is not to access the modified pointers of dwc3_request but to use list_empty macro instead. Fixes: e5ba5ec833aa (usb: dwc3: gadget: fix scatter gather implementation) Signed-off-by: Amit Virdi <amit.virdi@st.com> Cc: <stable@vger.kernel.org> # v3.9+ Signed-off-by: Felipe Balbi <balbi@ti.com> | 14 January 2015, 17:28:23 UTC |
3cbc612 | Tim Kryger | 14 January 2015, 06:24:12 UTC | mmc: sdhci: Set SDHCI_POWER_ON with external vmmc Host controllers lacking the required internal vmmc regulator may still follow the spec with regard to the LSB of SDHCI_POWER_CONTROL. Set the SDHCI_POWER_ON bit when vmmc is enabled to encourage the controller to to drive CMD, DAT, SDCLK. This fixes a regression observed on some Qualcomm and Nvidia boards caused by 5222161 mmc: sdhci: Improve external VDD regulator support. Fixes: 52221610dd84 (mmc: sdhci: Improve external VDD regulator support) Signed-off-by: Tim Kryger <tim.kryger@gmail.com> Tested-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> | 14 January 2015, 08:47:19 UTC |
a4378cc | Zhang Rui | 14 January 2015, 07:49:19 UTC | Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal into thermal-soc | 14 January 2015, 07:49:19 UTC |
4bf6980 | Jean-Francois Remy | 14 January 2015, 03:22:39 UTC | neighbour: fix base_reachable_time(_ms) not effective immediatly when changed When setting base_reachable_time or base_reachable_time_ms on a specific interface through sysctl or netlink, the reachable_time value is not updated. This means that neighbour entries will continue to be updated using the old value until it is recomputed in neigh_period_work (which recomputes the value every 300*HZ). On systems with HZ equal to 1000 for instance, it means 5mins before the change is effective. This patch changes this behavior by recomputing reachable_time after each set on base_reachable_time or base_reachable_time_ms. The new value will become effective the next time the neighbour's timer is triggered. Changes are made in two places: the netlink code for set and the sysctl handling code. For sysctl, I use a proc_handler. The ipv6 network code does provide its own handler but it already refreshes reachable_time correctly so it's not an issue. Any other user of neighbour which provide its own handlers must refresh reachable_time. Signed-off-by: Jean-Francois Remy <jeff@melix.org> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 05:28:00 UTC |
3d125f9 | Stefan Agner | 13 January 2015, 23:20:21 UTC | net: fec: fix MDIO bus assignement for dual fec SoC's On i.MX28, the MDIO bus is shared between the two FEC instances. The driver makes sure that the second FEC uses the MDIO bus of the first FEC. This is done conditionally if FEC_QUIRK_ENET_MAC is set. However, in newer designs, such as Vybrid or i.MX6SX, each FEC MAC has its own MDIO bus. Simply removing the quirk FEC_QUIRK_ENET_MAC is not an option since other logic, triggered by this quirk, is still needed. Furthermore, there are board designs which use the same MDIO bus for both PHY's even though the second bus would be available on the SoC side. Such layout are popular since it saves pins on SoC side. Due to the above quirk, those boards currently do work fine. The boards in the mainline tree with such a layout are: - Freescale Vybrid Tower with TWR-SER2 (vf610-twr.dts) - Freescale i.MX6 SoloX SDB Board (imx6sx-sdb.dts) This patch adds a new quirk FEC_QUIRK_SINGLE_MDIO for i.MX28, which makes sure that the MDIO bus of the first FEC is used in any case. However, the boards above do have a SoC with a MDIO bus for each FEC instance. But the PHY's are not connected in a 1:1 configuration. A proper device tree description is needed to allow the driver to figure out where to find its PHY. This patch fixes that shortcoming by adding a MDIO bus child node to the first FEC instance, along with the two PHY's on that bus, and making use of the phy-handle property to add a reference to the PHY's. Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: David S. Miller <davem@davemloft.net> | 14 January 2015, 05:27:10 UTC |
188c901 | Linus Torvalds | 13 January 2015, 23:22:56 UTC | Merge branch 'leds-fixes-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds Pull LED fix from Bryan Wu. * 'leds-fixes-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: leds: netxbig: fix oops at probe time | 13 January 2015, 23:22:56 UTC |
0c133dd | Linus Torvalds | 13 January 2015, 22:54:12 UTC | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/borntraeger/linux Pull WRITE_ONCE argument order change from Christian Borntraeger: "As discussed on LKML[1] it was agreed that WRITE_ONCE(x, val) is better than ASSIGN_ONCE(val, x) Lets change that for 3.19 as 3.19 has no user yet, but the first users will hit linux-next soon" [1] http://marc.info/?l=linux-kernel&m=142081181707596 * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/borntraeger/linux: kernel: Change ASSIGN_ONCE(val, x) to WRITE_ONCE(x, val) | 13 January 2015, 22:54:12 UTC |
900e183 | David Vrabel | 13 January 2015, 16:42:42 UTC | xen-netfront: use different locks for Rx and Tx stats In netfront the Rx and Tx path are independent and use different locks. The Tx lock is held with hard irqs disabled, but Rx lock is held with only BH disabled. Since both sides use the same stats lock, a deadlock may occur. [ INFO: possible irq lock inversion dependency detected ] 3.16.2 #16 Not tainted --------------------------------------------------------- swapper/0/0 just changed the state of lock: (&(&queue->tx_lock)->rlock){-.....}, at: [<c03adec8>] xennet_tx_interrupt+0x14/0x34 but this lock took another, HARDIRQ-unsafe lock in the past: (&stat->syncp.seq#2){+.-...} and interrupts could create inverse lock ordering between them. other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&stat->syncp.seq#2); local_irq_disable(); lock(&(&queue->tx_lock)->rlock); lock(&stat->syncp.seq#2); <Interrupt> lock(&(&queue->tx_lock)->rlock); Using separate locks for the Rx and Tx stats fixes this deadlock. Reported-by: Dmitry Piotrovsky <piotrovskydmitry@gmail.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 13 January 2015, 22:22:11 UTC |
2590605 | Mugunthan V N | 13 January 2015, 12:05:49 UTC | drivers: net: cpsw: fix multicast flush in dual emac mode Since ALE table is a common resource for both the interfaces in Dual EMAC mode and while bringing up the second interface in cpsw_ndo_set_rx_mode() all the multicast entries added by the first interface is flushed out and only second interface multicast addresses are added. Fixing this by flushing multicast addresses based on dual EMAC port vlans which will not affect the other emac port multicast addresses. Fixes: d9ba8f9 (driver: net: ethernet: cpsw: dual emac interface implementation) Cc: <stable@vger.kernel.org> # v3.9+ Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 13 January 2015, 21:54:23 UTC |
0c86ac2 | Simon Guinot | 02 December 2014, 15:32:10 UTC | leds: netxbig: fix oops at probe time This patch fixes a NULL pointer dereference on led_dat->mode_val. Due to this bug, a kernel oops can be observed at probe time on the LaCie 2Big and 5Big v2 boards: Unable to handle kernel NULL pointer dereference at virtual address 00000008 [...] [<c03f244c>] (netxbig_led_probe) from [<c02c8c6c>] (platform_drv_probe+0x4c/0x9c) [<c02c8c6c>] (platform_drv_probe) from [<c02c72d0>] (driver_probe_device+0x98/0x25c) [<c02c72d0>] (driver_probe_device) from [<c02c7520>] (__driver_attach+0x8c/0x90) [<c02c7520>] (__driver_attach) from [<c02c5c24>] (bus_for_each_dev+0x68/0x94) [<c02c5c24>] (bus_for_each_dev) from [<c02c6408>] (bus_add_driver+0x124/0x1dc) [<c02c6408>] (bus_add_driver) from [<c02c7ac0>] (driver_register+0x78/0xf8) [<c02c7ac0>] (driver_register) from [<c000888c>] (do_one_initcall+0x80/0x1cc) [<c000888c>] (do_one_initcall) from [<c0733618>] (kernel_init_freeable+0xe4/0x1b4) [<c0733618>] (kernel_init_freeable) from [<c058db9c>] (kernel_init+0xc/0xec) [<c058db9c>] (kernel_init) from [<c0009850>] (ret_from_fork+0x14/0x24) [...] This bug was introduced by commit 588a6a99286ae30afb1339d8bc2163517b1b7dd1 ("leds: netxbig: fix attribute-creation race"). Signed-off-by: Simon Guinot <simon.guinot@sequanux.org> Cc: <stable@vger.kernel.org> # 3.17+ Acked-by: Johan Hovold <johan@kernel.org> Signed-off-by: Bryan Wu <cooloney@gmail.com> | 13 January 2015, 21:49:01 UTC |
fd48e63 | Hariprasad Shenai | 12 January 2015, 16:36:16 UTC | cxgb4vf: Initialize mdio_addr before using it In commit 5ad24def21b205a8 ("cxgb4vf: Fix ethtool get_settings for VF driver") mdio_addr of port_info structure was used unininitialzed. Fixing it. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 13 January 2015, 21:31:52 UTC |
43239cb | Christian Borntraeger | 13 January 2015, 09:46:42 UTC | kernel: Change ASSIGN_ONCE(val, x) to WRITE_ONCE(x, val) Feedback has shown that WRITE_ONCE(x, val) is easier to use than ASSIGN_ONCE(val,x). There are no in-tree users yet, so lets change it for 3.19. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Davidlohr Bueso <dave@stgolabs.net> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 13 January 2015, 19:39:09 UTC |
e7a823b | Linus Torvalds | 13 January 2015, 19:09:14 UTC | Merge tag 'linux-kselftest-3.19-rc-5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "This update contains three patches to fix one compile error, and two run-time bugs. One of them fixes infinite loop on ARM" * tag 'linux-kselftest-3.19-rc-5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/vm: fix link error for transhuge-stress test tools: testing: selftests: mq_perf_tests: Fix infinite loop on ARM selftests/exec: allow shell return code of 126 | 13 January 2015, 19:09:14 UTC |
613d4ce | Linus Torvalds | 13 January 2015, 19:07:42 UTC | Merge tag 'stable/for-linus-3.19-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen bug fixes from David Vrabel: "Several critical linear p2m fixes that prevented some hosts from booting" * tag 'stable/for-linus-3.19-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: x86/xen: properly retrieve NMI reason xen: check for zero sized area when invalidating memory xen: use correct type for physical addresses xen: correct race in alloc_p2m_pmd() xen: correct error for building p2m list on 32 bits x86/xen: avoid freeing static 'name' when kasprintf() fails x86/xen: add extra memory for remapped frames during setup x86/xen: don't count how many PFNs are identity mapped x86/xen: Free bootmem in free_p2m_page() during early boot x86/xen: Remove unnecessary BUG_ON(preemptible()) in xen_setup_timer() | 13 January 2015, 19:07:42 UTC |
5d632cb | B Viswanath | 12 January 2015, 09:16:25 UTC | net: Corrected the comment describing the ndo operations to reflect the actual prototype for couple of operations Corrected the comment describing the ndo operations to reflect the actual prototype for couple of operations Signed-off-by: B Viswanath <marichika4@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 13 January 2015, 19:03:42 UTC |
b71e8ec | Jisheng Zhang | 31 December 2014, 08:57:52 UTC | clk: berlin: bg2q: remove non-exist "smemc" gate clock The "smemc" clock is removed on BG2Q SoCs. In fact, bit19 of clkenable register is for nfc. Current code use bit19 for non-exist "smemc" incorrectly, this prevents eMMC from working due to the sdhci's "core" clk is still gated. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Cc: stable@vger.kernel.org # 3.16+ Signed-off-by: Michael Turquette <mturquette@linaro.org> | 13 January 2015, 18:58:43 UTC |
dca1a4b | Boris Brezillon | 13 January 2015, 14:44:06 UTC | clk: at91: keep slow clk enabled to prevent system hang All slow clk users are not properly claiming it (get + prepare + enable) before using it. If all users properly claiming this clock release it, the clock is disabled, but faulty users still depends on it, and the system hangs. This fix prevents the slow clock from being disabled, and should solve the hanging issue, but offending drivers should be patched to properly claim this clock. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Reported-by: Bo Shen <voice.shen@atmel.com> Cc: stable@vger.kernel.org Signed-off-by: Michael Turquette <mturquette@linaro.org> | 13 January 2015, 18:54:01 UTC |
4f7a42d | Linus Torvalds | 13 January 2015, 18:53:51 UTC | Merge branch 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux Pull thermal management fixes from Zhang Rui: "Specifics: - Fix a problem that Intel SoC DTS thermal driver does not work when CONFIG_THERMAL_INT340X is not set. - Fix a NULL pointer dereference when processor_thermal_device driver is loaded on a platform without ACPI support" * 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: int340x_thermal/processor_thermal_device: return failure when ACPI/int340x_thermal: enumerate INT3401 for Intel SoC DTS thermal driver ACPI/int340x_thermal: enumerate INT340X devices even if they're not in _ART/_TRT | 13 January 2015, 18:53:51 UTC |
6acf399 | Andy Shevchenko | 13 January 2015, 16:57:15 UTC | dmaengine: dw: balance PM runtime calls In case of PCI driver we will get a warning: dw_dmac_pci 0000:00:18.0: Unbalanced pm_runtime_enable! dw_dmac_pci 0000:00:18.0: DesignWare DMA Controller, 8 channels This happens due to pm_runtime_enable() call from the driver when PM runtime is enabled by core. This patch moves that call to the platform driver where it might make sense. Fixes: bb32baf76e56 (dmaengine: dw: enable runtime PM) Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> | 13 January 2015, 17:37:58 UTC |
90bdf40 | Arnd Bergmann | 13 January 2015, 14:25:11 UTC | usb: phy: mv-usb: fix usb_phy build errors The driver was recently adapted to a core API change, but the change was incomplete, missing out the suspend helper and leaving an extraneous local variable around: usb/phy/phy-mv-usb.c: In function 'mv_otg_update_state': usb/phy/phy-mv-usb.c:341:18: warning: unused variable 'phy' [-Wunused-variable] usb/phy/phy-mv-usb.c: In function 'mv_otg_suspend': usb/phy/phy-mv-usb.c:861:16: error: 'struct usb_phy' has no member named 'state' Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: e47d92545c297 ("usb: move the OTG state from the USB PHY to the OTG structure") Signed-off-by: Felipe Balbi <balbi@ti.com> | 13 January 2015, 15:32:22 UTC |
ef6899c | Colin Ian King | 12 January 2015, 15:27:52 UTC | fbdev/broadsheetfb: fix memory leak static code analysis from cppcheck reports: [drivers/video/fbdev/broadsheetfb.c:673]: (error) Memory leak: sector_buffer sector_buffer is not being kfree'd on each call to broadsheet_spiflash_rewrite_sector(), so free it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> | 13 January 2015, 13:13:45 UTC |
52d304e | NeilBrown | 13 January 2015, 02:17:43 UTC | locks: fix NULL-deref in generic_delete_lease commit 0efaa7e82f02fe69c05ad28e905f31fc86e6f08e locks: generic_delete_lease doesn't need a file_lock at all moves the call to fl->fl_lmops->lm_change() to a place in the code where fl might be a non-lease lock. When that happens, fl_lmops is NULL and an Oops ensures. So add an extra test to restore correct functioning. Reported-by: Linda Walsh <suse@tlinx.org> Link: https://bugzilla.suse.com/show_bug.cgi?id=912569 Cc: stable@vger.kernel.org (v3.18) Fixes: 0efaa7e82f02fe69c05ad28e905f31fc86e6f08e Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Jeff Layton <jlayton@primarydata.com> | 13 January 2015, 12:00:55 UTC |
d9e0201 | Hans de Goede | 05 January 2015, 08:15:16 UTC | simplefb: Fix build failure on Sparc of_platform_device_create is only defined when CONFIG_OF_ADDRESS is set, which is normally always the case when CONFIG_OF is defined, except on Sparc, so explicitly check for CONFIG_OF_ADDRESS rather then for CONFIG_OF. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> | 13 January 2015, 11:25:16 UTC |
f221b04 | Jan Beulich | 13 January 2015, 07:40:05 UTC | x86/xen: properly retrieve NMI reason Using the native code here can't work properly, as the hypervisor would normally have cleared the two reason bits by the time Dom0 gets to see the NMI (if passed to it at all). There's a shared info field for this, and there's an existing hook to use - just fit the two together. This is particularly relevant so that NMIs intended to be handled by APEI / GHES actually make it to the respective handler. Note that the hook can (and should) be used irrespective of whether being in Dom0, as accessing port 0x61 in a DomU would be even worse, while the shared info field would just hold zero all the time. Note further that hardware NMI handling for PVH doesn't currently work anyway due to missing code in the hypervisor (but it is expected to work the native rather than the PV way). Signed-off-by: Jan Beulich <jbeulich@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com> | 13 January 2015, 09:39:50 UTC |
a307d1d | Eddie Kovsky | 21 December 2014, 05:27:55 UTC | staging: vt6655: fix sparse warning: argument type Fixes following warning generated by sparse: drivers/staging/vt6655/baseband.c:2180:45: warning: incorrect type in argument 1 (different address spaces) drivers/staging/vt6655/baseband.c:2180:45: expected struct vnt_private *priv drivers/staging/vt6655/baseband.c:2180:45: got void [noderef] <asn:2>*dwIoBase Compile tested on next-20141219. Signed-off-by: Eddie Kovsky <ewk@edkovsky.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 13 January 2015, 03:49:47 UTC |