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2016-05-02mmc: sdhci-pci: Set MMC_CAP_AGGRESSIVE_PM for Broxton controllersAdrian Hunter1-1/+3
Set MMC_CAP_AGGRESSIVE_PM for Broxton host controllers. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sdhci: Remove SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RSTLudovic Desroches2-7/+0
SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST quirk is not used anymore so remove it. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sdhci-of-at91: Implement specific ->set_clock() functionLudovic Desroches1-2/+46
Disabling the internal clock while configuring the SD card clock can lead to internal clock stabilization issue and/or unexpected switch to the base clock when using presets. A quirk SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST was introduced to fix these bugs. The cause was assumed to be a too long internal re-synchronisation but it seems in some cases the delay (even if longer) doesn't fix this bug. The safest workaround is to not disable/enable the internal clock during the SD card clock configuration. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sdhci: Introduce sdhci_calc_clk()Ludovic Desroches2-12/+26
In order to remove the SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST and to reduce code duplication, put the code relative to the SD clock configuration in a function which can be used by hosts for the implementation of the ->set_clock() callback. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sdhci: Move sdhci_runtime_pm_bus_off|on() to avoid pre-definitionUlf Hansson1-28/+16
There are no need to have two versions of sdhci_runtime_pm_bus_off|on(), depending on whether CONFIG_PM is set or unset. Thus it's easy to move the implementation of these functions a bit earlier to avoid the unnecessary pre-definition of them, so let's do that. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Adrian Hunter <adrian.hunter@intel.com>
2016-05-02mmc: sdhci-pic32: remove owner assignmentMasahiro Yamada1-1/+0
A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sdhci: Remove redundant runtime PM callsUlf Hansson1-51/+4
Commit 9250aea76bfc ("mmc: core: Enable runtime PM management of host devices"), made some calls to the runtime PM API from the driver redundant. Especially those which deals with runtime PM reference counting, so let's remove them. Moreover as SDHCI have its own wrapper functions for runtime PM these becomes superfluous, so let's remove them as well. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Adrian Hunter <adrian.hunter@intel.com>
2016-05-02mmc: core: Do regular power cycle when lacking eMMC HW reset supportGwendal Grignou2-15/+14
The eMMC HW reset may be implemented either via the host ops ->hw_reset() callback or through DT and the eMMC pwrseq. Additionally some eMMC cards don't support HW reset. To allow a reset to be done for the different combinations of mmc hosts and eMMC/MMC cards, let's implement a fallback via trying a regular power cycle. This improves the mmc block layer retry mechanism of failing I/O requests. Signed-off-by: Gwendal Grignou <gwendal@chromium.org> [Ulf: Rewrote changelog] Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: tmio: Remove redundant runtime PM callsUlf Hansson1-19/+0
Commit 9250aea76bfc ("mmc: core: Enable runtime PM management of host devices"), made some calls to the runtime PM API from the driver redundant. Especially those which deals with runtime PM reference counting, so let's remove them. Cc: Ian Molton <ian@mnementh.co.uk> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sdhci-pci: Remove redundant runtime PM callsUlf Hansson1-5/+0
Commit 9250aea76bfc ("mmc: core: Enable runtime PM management of host devices"), made some calls to the runtime PM API from the driver redundant. Especially those which deals with runtime PM reference counting, so let's remove them. Cc: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sdhci-acpi: Remove redundant runtime PM callsUlf Hansson1-5/+0
Commit 9250aea76bfc ("mmc: core: Enable runtime PM management of host devices"), made some calls to the runtime PM API from the driver redundant. Especially those which deals with runtime PM reference counting, so let's remove them. Cc: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: omap_hsmmc: Remove redundant runtime PM callsUlf Hansson1-15/+0
Commit 9250aea76bfc ("mmc: core: Enable runtime PM management of host devices"), made some calls to the runtime PM API from the driver redundant. Especially those which deals with runtime PM reference counting, so let's remove them. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: mediatek: Remove redundant runtime PM callsUlf Hansson1-17/+2
Commit 9250aea76bfc ("mmc: core: Enable runtime PM management of host devices"), made some calls to the runtime PM API from the driver redundant. Especially those which deals with runtime PM reference counting, so let's remove them. Cc: Chaotian Jing <chaotian.jing@mediatek.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: mmci: Remove redundant runtime PM callsUlf Hansson1-20/+0
Commit 9250aea76bfc ("mmc: core: Enable runtime PM management of host devices"), made some calls to the runtime PM API from the driver redundant. Especially those which deals with runtime PM reference counting, so let's remove them. Cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: atmel-mci: Remove redundant runtime PM callsUlf Hansson1-9/+0
Commit 9250aea76bfc ("mmc: core: Enable runtime PM management of host devices"), made some calls to the runtime PM API from the driver redundant. Especially those which deals with runtime PM reference counting, so let's remove them. Cc: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com> Tested-by: Ludovic Desroches <ludovic.desroches@atmel.com>
2016-05-02ARM: davinci: remove mmc dma resourcesDavid Lechner2-36/+0
The davinci_mmc driver no longer uses platform resources for getting dma channels. Instead lookup is now done using dma_slave_map. Signed-off-by: David Lechner <david@lechnology.com> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: davinci: prepare clockDavid Lechner1-5/+5
When trying to use this driver with the common clock framework, enabling the clock fails because it was not prepared. This fixes the problem by calling clk_prepare and clk_enable in a single function. Ditto for clk_disable_unprepare. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: davinci: fix unwinding in probeDavid Lechner1-60/+40
Unwiding from an error in davinci_mmcsd_probe was a mess. Some errors were not handled and not all paths unwound correctly. Also using devm_ where possible to simplify things. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: dw_mmc: remove setup_clock callbackShawn Lin2-11/+0
Now, no dw_mmc variant drivers use this callback, let's remove it. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: dw_mmc-exynos: remove dw_mci_exynos_setup_clockShawn Lin1-8/+0
We combine what dw_mci_exynos_setup_clock does with init hook to simplify the code Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: dw_mmc-rockchip: remove setup_clock for rockchipShawn Lin1-8/+4
We remove setup_clock hook and combine it into init hook to simplify the code Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: dw_mmc: exynos: add the function for controlling SMUJaehoon Chung1-2/+13
Some of Exynos has the Security management Unit(SMU). This patch adds the function for controlling SMU. In future, if exynos needs to control SMU, it can be implemented in "config_smu" function, not "init" function. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: dw_mmc: remove unused EVENT_XFER_ERRORShawn Lin1-1/+0
EVENT_XFER_ERROR isn't been used now, so it can be removed. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: dw_mmc: avoid using dmaengine_terminate_allShawn Lin1-1/+1
dmaengine_terminate_all is deprecated and should be replaced by more explicit synchronous and asynchronous terminate functions. This change is based on the commit b36f09c3c441 ("dmaengine: Add transfer termination synchronization support"). Currently dw_mci_stop_dma may be called under the spinlock, let's migrate dmaengine_terminate_all to async terminate. This could avoid the race condition of use-after-free resouce of dmaengine once slave-dma driver implement the synchronize method. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: dw_mmc: fix warning reported by kernel-docShawn Lin1-1/+10
Try to fix the warning reported by: scripts/kernel-doc -man -v include/linux/mmc/dw_mmc.h > /dev/null warning: No description found for parameter 'irq_lock' warning: No description found for parameter 'stop_abort' warning: No description found for parameter 'prev_blksz' warning: No description found for parameter 'timing' warning: No description found for parameter 'ring_size' warning: No description found for parameter 'dms' warning: No description found for parameter 'phy_regs' warning: No description found for parameter 'fifoth_val' warning: No description found for parameter 'vqmmc_enabled' warning: No description found for parameter 'cmd11_timer' warning: Excess struct/union/enum/typedef member 'card_tasklet' description in 'dw_mci' Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: dw_mmc-rockchip: fix failing to mount partition with "discard"Shawn Lin1-0/+9
Without MMC_CAP_ERASE support, we fail to mount partition with "discard" option since mmc_queue_setup_discard is limited for checking mmc_can_erase. Without doing mmc_queue_setup_discard, blk_queue_discard fails to test QUEUE_FLAG_DISCARD flag, so we get the following log from f2fs(actually similar to other file system): mounting with "discard" option, but the device does not support discard Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: dw_mmc-rockchip: remove dw_mci_rockchip_pmopsShawn Lin1-21/+1
dw_mci_rockchip_pmops just copy-paste what dw_mci_pltfm_pmops have done. Let's remove it. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sh_mobile_sdhi: Add UHS-I mode supportWolfram Sang2-0/+55
Implement voltage switch, supporting modes up to SDR-50. Based on work by Shinobu Uehara, Rob Taylor, William Towle and Ian Molton. Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: host: add note that set_ios needs to handle 0Hz properlyWolfram Sang1-10/+21
While here, refactor the comments so that they are before the declaration they are referring to. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: tmio: stop clock when 0Hz is requestedWolfram Sang1-24/+26
Setting frequency to 0 is not enough, the clock explicitly has to be disabled. Otherwise voltage switching (which needs SDCLK to be quiet) fails for various cards. Because we now do the 'new_clock == 0' check right at the beginning, the indentation level of the rest of the code can be decreased a little. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: tmio: always start clock after frequency calculationWolfram Sang1-18/+16
Starting the clock is always done after frequency change anyhow, so we can do it directly after the clock calculation and remove the specific calls. This is the first part of doing proper clock de-/activation at calculation time. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: tmio: Add UHS-I mode supportWolfram Sang3-1/+15
Based on work by Shinobu Uehara and Ben Dooks. This adds the voltage switch operation needed for all UHS-I modes, but not the tuning needed for SDR-104 which will come later. Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: tmio, sh_mobile_sdhi: Add support for variable input clock frequencyBen Hutchings3-16/+66
Currently tmio_mmc assumes that the input clock frequency is fixed and only its own clock divider can be changed. This is not true in the case of sh_mobile_sdhi; we can use the clock API to change it. In tmio_mmc: - Delegate setting of f_min from tmio to the clk_enable operation (if implemented), as it can be smaller than f_max / 512 - Add an optional clk_update operation called from tmio_mmc_set_clock() that updates the input clock frequency - Rename tmio_mmc_clk_update() to tmio_mmc_clk_enable(), to avoid confusion with the clk_update operation In sh_mobile_sdhi: - Make the setting of f_max conditional; it should be set through the max-frequency property in the device tree in future - Set f_min based on the input clock's minimum frequency - Implement the clk_update operation, selecting the best input clock frequency for the bus frequency that's wanted sh_mobile_sdhi_clk_update() is loosely based on Kuninori Morimoto's work in sh_mmcif. Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: tmio, sh_mobile_sdhi: Pass tmio_mmc_host ptr to clk_{enable, disable} opsBen Hutchings3-11/+9
Change the clk_enable operation to take a pointer to the struct tmio_mmc_host and have it set f_max. For consistency, also change the clk_disable operation to take a pointer to struct tmio_mmc_host. Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: core: Provide tracepoints for request processingBaolin Wang2-0/+189
This patch provides some tracepoints for the lifecycle of a mmc request from starting to completion to help with performance analysis of MMC subsystem. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: omap_hsmmc: pass omap_hsmmc_host pointer directlyAndreas Fenkart1-10/+9
unnecessary indirection via 'struct device' back to omap_hsmmc_host Signed-off-by: Andreas Fenkart <afenkart@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: davinci: remove matching stringDavid Lechner1-1/+1
The string "MMCSDCLK" is not actually used for clock lookup, so can be removed. Signed-off-by: David Lechner <david@lechnology.com> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: davinci_mmc: Use dma_request_chan() to requesting DMA channelPeter Ujfalusi1-39/+14
With the new dma_request_chan() the client driver does not need to look for the DMA resource and it does not need to pass filter_fn anymore. By switching to the new API the driver can now support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sh_mmci: Get rid of wrapper function for regulatorsUlf Hansson1-12/+4
As there are two callers of sh_mmcif_set_power() and because its only additional action is to check for a valid regulator, let's just remove it. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sh_mmcif: Restructure ->set_ios()Ulf Hansson1-29/+16
Both from a runtime PM and clock management point of view, the ->set_ios() code is unnecessary complex. A suboptimal path is also executed when the mmc core requests a clock rate of zero. As that happens during the card initialization phase, trying to save power by decreasing the runtime PM usage count and gating the clock via clk_disable_unprepare() is just superfluous. Moreover, from a runtime PM point of view the core will anyway keep the device active during the entire card initialization phase. Restructure the code to rely on the ios->power_mode to understand when the runtime PM usage count needs to be increased. Let's also deal with clock rate changes by simply applying the rate. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-02mmc: sh_mmcif: Make sure the device stays active when needed in ->probe()Ulf Hansson1-7/+8
While accessing the device, make sure it stays active by increasing the runtime PM usage count for it. Let's also defer to enable runtime PM until we really need access to the device. This also enables the error path in ->probe() to become simpler. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-05-01Linux 4.6-rc6Linus Torvalds1-2/+2
2016-04-29EDAC: i7core, sb_edac: Don't return NOTIFY_BAD from mce_decoder callbackTony Luck2-2/+2
Both of these drivers can return NOTIFY_BAD, but this terminates processing other callbacks that were registered later on the chain. Since the driver did nothing to log the error it seems wrong to prevent other interested parties from seeing it. E.g. neither of them had even bothered to check the type of the error to see if it was a memory error before the return NOTIFY_BAD. Signed-off-by: Tony Luck <tony.luck@intel.com> Acked-by: Aristeu Rozanski <aris@redhat.com> Acked-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: linux-edac <linux-edac@vger.kernel.org> Cc: <stable@vger.kernel.org> Link: http://lkml.kernel.org/r/72937355dd92318d2630979666063f8a2853495b.1461864507.git.tony.luck@intel.com Signed-off-by: Borislav Petkov <bp@suse.de>
2016-04-28Documentation/sysctl/vm.txt: update numa_zonelist_order descriptionXishi Qiu1-9/+10
Commit 3193913ce62c ("mm: page_alloc: default node-ordering on 64-bit NUMA, zone-ordering on 32-bit") changes the default value of numa_zonelist_order. Update the document. Signed-off-by: Xishi Qiu <qiuxishi@huawei.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Rik van Riel <riel@redhat.com> Cc: David Rientjes <rientjes@google.com> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-28lib/stackdepot.c: allow the stack trace hash to be zeroAlexander Potapenko1-4/+0
Do not bail out from depot_save_stack() if the stack trace has zero hash. Initially depot_save_stack() silently dropped stack traces with zero hashes, however there's actually no point in reserving this zero value. Reported-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Alexander Potapenko <glider@google.com> Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-28rapidio: fix potential NULL pointer dereferenceVladimir Zapolskiy1-2/+2
The change fixes improper check for a returned error value by class_create() function, which on error returns ERR_PTR() value, thus the original check always results in a dead code on error path. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-28mm/memory-failure: fix race with compound page split/mergeKonstantin Khlebnikov1-1/+9
get_hwpoison_page() must recheck relation between head and tail pages. n-horiguchi said: without this recheck, the race causes kernel to pin an irrelevant page, and finally makes kernel crash for refcount mismatch. Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-28ocfs2/dlm: return zero if deref_done message is successfully handledxuejiufei1-0/+2
dlm_deref_lockres_done_handler() should return zero if the message is successfully handled. Fixes: 60d663cb5273 ("ocfs2/dlm: add DEREF_DONE message"). Signed-off-by: xuejiufei <xuejiufei@huawei.com> Reviewed-by: Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-28Ananth has movedAnanth N Mavinakayanahalli1-1/+1
The current ID is going away soon... update email address Signed-off-by: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-28kcov: don't profile branches in kcovAndrey Ryabinin1-0/+1
Profiling 'if' statements in __sanitizer_cov_trace_pc() leads to unbound recursion and crash: __sanitizer_cov_trace_pc() -> ftrace_likely_update -> __sanitizer_cov_trace_pc() ... Define DISABLE_BRANCH_PROFILING to disable this tracer. Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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