- 18 Jul, 2014 5 commits
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Andrey Utkin authored
[linux-3.16-rc5/drivers/char/dsp56k.c:386]: (style) Checking if unsigned variable 'arg' is less than zero. Source code is if (arg > 31 || arg < 0) return -EINVAL; But static long dsp56k_ioctl(struct file *file, unsigned int cmd, unsigned long arg) Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=80411Reported-by: David Binderman <dcb314@hotmail.com> Signed-off-by: Andrey Utkin <andrey.krieger.utkin@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Alexander Usyskin authored
wait_event_timeout can return 0 or the remaining jiffies so return -ETIME if disconnected state not reached. Cc: stable@vger.kernel.org # 3.10+ Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Alexander Usyskin authored
Calling pm_schedule_suspend from the runtime pm idle callback may reschedule existing timer, thus in case of frequent runtime rpm idle call the suspend maybe starved. Instead we call pm_runtime_autosuspend which is checking if the timer is already charged. An example is monitoring device pci config space. Pci config sysfs handlers calls pci_config_pm_runtime_put/get helpers which in turns calls to device idle callback Cc: stable@vger.kernel.org # 3.15+ Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Alexander Usyskin authored
Link must be reset in case the fw doesn't respond to client disconnect request. We did charge the timer only in irq path from mei_cl_irq_close and not in mei_cl_disconnect Cc: stable@vger.kernel.org # 3.10+ Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Alexander Usyskin authored
On connection timeout we leave the connecting client in connecting state. Since a new connection is stalled till previous connection is completed in this case no new connection is possible till the user space does release the file handle. Therefore on timeout we move the client to disconnected state. Cc: stable@vger.kernel.org # 3.15+ Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 16 Jul, 2014 2 commits
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Sudeep Dutt authored
Select DMA_ENGINE instead of DMAENGINE and delete the default line as the default is 'n' anyways. Link: https://lkml.org/lkml/2014/7/14/90Reported-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Himangi Saraogi authored
This patch moves data allocated using ioremap to managed data allocated using devm_ioremap and cleans now unnecessary iounmaps in probe and remove functions. Also the unnecessary label iounmap is done away with. Link: https://lkml.org/lkml/2014/6/1/191Tested-by: Sudeep Dutt <sudeep.dutt@intel.com> Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 13 Jul, 2014 16 commits
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Greg Kroah-Hartman authored
This resolves a number of merge issues with changes in this tree and Linus's tree at the same time. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Linus Torvalds authored
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Himangi Saraogi authored
The advantage of kcalloc is, that will prevent integer overflows which could result from the multiplication of number of elements and size and it is also a bit nicer to read. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Acked-by: Andreas Noever <andreas.noever@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
Pull ext4 bugfixes from Ted Ts'o: "More bug fixes for ext4 -- most importantly, a fix for a bug introduced in 3.15 that can end up triggering a file system corruption error after a journal replay. It shouldn't lead to any actual data corruption, but it is scary and can force file systems to be remounted read-only, etc" * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix potential null pointer dereference in ext4_free_inode ext4: fix a potential deadlock in __ext4_es_shrink() ext4: revert commit which was causing fs corruption after journal replays ext4: disable synchronous transaction batching if max_batch_time==0 ext4: clarify ext4_error message in ext4_mb_generate_buddy_error() ext4: clarify error count warning messages ext4: fix unjournalled bg descriptor while initializing inode bitmap
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git://git.linaro.org/people/mike.turquette/linuxLinus Torvalds authored
Pull clock driver fixes from Mike Turquette: "This batch of fixes is for a handful of clock drivers from Allwinner, Samsung, ST & TI. Most of them are of the "this hardware won't work without this fix" variety, including patches that fix platforms that did not boot under certain configurations. Other fixes are the result of changes to the clock core introduced in 3.15 that had subtle impacts on the clock drivers. There are no fixes to the clock framework core in this pull request" * tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux: clk: spear3xx: Set proper clock parent of uart1/2 clk: spear3xx: Use proper control register offset clk: qcom: HDMI source sel is 3 not 2 clk: sunxi: fix devm_ioremap_resource error detection code clk: s2mps11: Fix double free corruption during driver unbind clk: ti: am43x: Fix boot with CONFIG_SOC_AM33XX disabled clk: exynos5420: Remove aclk66_peric from the clock tree description clk/exynos5250: fix bit number for tv sysmmu clock clk: s3c64xx: Hookup SPI clocks correctly clk: samsung: exynos4: Remove SRC_MASK_ISP gates clk: samsung: add more aliases for s3c24xx clk: samsung: fix several typos to fix boot on s3c2410 clk: ti: set CLK_SET_RATE_NO_REPARENT for ti,mux-clock clk: ti: am43x: Fix boot with CONFIG_SOC_AM33XX disabled clk: ti: dra7: return error code in failure case clk: ti: apll: not allocating enough data
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "This week's arm-soc fixes: - Another set of OMAP fixes * Clock fixes * Restart handling * PHY regulators * SATA hwmod data for DRA7 + Some trivial fixes and removal of a bit of dead code - Exynos fixes * A bunch of clock fixes * Some SMP fixes * Exynos multi-core timer: register as clocksource and fix ftrace. + a few other minor fixes There's also a couple more patches, and at91 fix for USB caused by common clock conversion, and more MAINTAINERS entries for shmobile. We're definitely switching to only regression fixes from here on out, we've been a little less strict than usual up until now" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits) ARM: at91: at91sam9x5: add clocks for usb device ARM: EXYNOS: Register cpuidle device only on exynos4210 and 5250 ARM: dts: Add clock property for mfc_pd in exynos5420 clk: exynos5420: Add IDs for clocks used in PD mfc ARM: EXYNOS: Add support for clock handling in power domain ARM: OMAP2+: Remove non working OMAP HDMI audio initialization ARM: imx: fix shared gate clock ARM: dts: Update the parent for Audss clocks in Exynos5420 ARM: EXYNOS: Update secondary boot addr for secure mode ARM: dts: Fix TI CPSW Phy mode selection on IGEP COM AQUILA. ARM: dts: am335x-evmsk: Enable the McASP FIFO for audio ARM: dts: am335x-evm: Enable the McASP FIFO for audio ARM: OMAP2+: Make GPMC skip disabled devices ARM: OMAP2+: create dsp device only on OMAP3 SoCs ARM: dts: dra7-evm: Make VDDA_1V8_PHY supply always on ARM: DRA7/AM43XX: fix header definition for omap44xx_restart ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss ARM: DRA7: hwmod: Fixup SATA hwmod ARM: OMAP3: PRM/CM: Add back macros used by TI DSP/Bridge driver ...
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git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds authored
Pull ARM fixes from Russell King: "Another round of fixes for ARM: - a set of kprobes fixes from Jon Medhurst - fix the revision checking for the L2 cache which wasn't noticed to have been broken" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: l2c: fix revision checking ARM: kprobes: Fix test code compilation errors for ARMv4 targets ARM: kprobes: Disallow instructions with PC and register specified shift ARM: kprobes: Prevent known test failures stopping other tests running
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68kLinus Torvalds authored
Pull m68k fixes from Geert Uytterhoeven: "Summary: - Fix for a boot regression introduced in v3.16-rc1, - Fix for a build issue in -next" Christoph Hellwig questioned why mach_random_get_entropy should be exported to modules, and Geert explains that random_get_entropy() is called by at least the crypto layer and ends up using it on m68k. On most other architectures it just uses get_cycles() (which is typically inlined and doesn't need exporting), * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Export mach_random_get_entropy to modules m68k: Fix boot regression on machines with RAM at non-zero
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds authored
Pull parisc fixes from Helge Deller: "The major patch in here is one which fixes the fanotify_mark() syscall in the compat layer of the 64bit parisc kernel. It went unnoticed so long, because the calling syntax when using a 64bit parameter in a 32bit syscall is quite complex and even worse, it may be even different if you call syscall() or the glibc wrapper. This patch makes the kernel accept the calling convention when called by the glibc wrapper. The other two patches are trivial and remove unused headers, #includes and adds the serial ports of the fastest C8000 workstation to the parisc-kernel internal hardware database" * 'parisc-3.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: drop unused defines and header includes parisc: fix fanotify_mark() syscall on 32bit compat kernel parisc: add serial ports of C8000/1GHz machine to hardware database
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Thomas Gleixner authored
The uarts only work when the parent is ras_ahb_clk. The stale 3.5 based ST tree does this in the board file. Add it to the clk init function. Not pretty, but the mess there is amazing anyway. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Thomas Gleixner authored
The control register is at offset 0x10, not 0x0. This is wreckaged since commit 5df33a62 (SPEAr: Switch to common clock framework). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
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Helge Deller authored
Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # 3.13+
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Helge Deller authored
On parisc we can not use the existing compat implementation for fanotify_mark() because for the 64bit mask parameter the higher and lower 32bits are ordered differently than what the compat function expects from big endian architectures. Specifically: It finally turned out, that on hppa we end up with different assignments of parameters to kernel arguments depending on if we call the glibc wrapper function int fanotify_mark (int __fanotify_fd, unsigned int __flags, uint64_t __mask, int __dfd, const char *__pathname); or directly calling the syscall manually syscall(__NR_fanotify_mark, ...) Reason is, that the syscall() function is implemented as C-function and because we now have the sysno as first parameter in front of the other parameters the compiler will unexpectedly add an empty paramenter in front of the u64 value to ensure the correct calling alignment for 64bit values. This means, on hppa you can't simply use syscall() to call the kernel fanotify_mark() function directly, but you have to use the glibc function instead. This patch fixes the kernel in the hppa-arch specifc coding to adjust the parameters in a way as if userspace calls the glibc wrapper function fanotify_mark(). Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # 3.13+
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Helge Deller authored
Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # 3.13+
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull slave-dmaengine fixes from Vinod Koul: "We have two small fixes. First one from Daniel to handle 0-length packets for usb cppi dma. Second by Russell for imx-sdam cyclic residue reporting" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: Update imx-sdma cyclic handling to report residue dma: cppi41: handle 0-length packets
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Olof Johansson authored
Merge tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes Merge "Samsung fixes-3 for 3.16" from Kukjin Kim: Samsung fixes-3 for v3.16 - update the parent for Auudss clock because kernel will be hang during late boot if the parent clock is disabled in bootloader. - enable clk handing in power domain because while power domain on/off, its regarding clock source will be reset and it causes a problem so need to handle it. - add mux clocks to be used by power domain for exynos5420-mfc during power domain on/off and property in device tree also. - register cpuidle only for exynos4210 and exynos5250 because a system failure will be happened on other exynos SoCs. * tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: EXYNOS: Register cpuidle device only on exynos4210 and 5250 ARM: dts: Add clock property for mfc_pd in exynos5420 clk: exynos5420: Add IDs for clocks used in PD mfc ARM: EXYNOS: Add support for clock handling in power domain ARM: dts: Update the parent for Audss clocks in Exynos5420 Signed-off-by: Olof Johansson <olof@lixom.net>
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- 12 Jul, 2014 17 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are some small USB fixes, PHY driver fixes (they ended up in this tree for lack of somewhere else to put them), and some new USB device ids" * tag 'usb-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: phy: omap-usb2: Balance pm_runtime_enable() on probe failure and remove phy: core: Fix error path in phy_create() drivers: phy: phy-samsung-usb2.c: Add missing MODULE_DEVICE_TABLE phy: omap-usb2: fix devm_ioremap_resource error detection code phy: sun4i: depend on RESET_CONTROLLER USB: serial: ftdi_sio: Add Infineon Triboard USB: ftdi_sio: Add extra PID. usb: option: Add ID for Telewell TW-LTE 4G v2 USB: cp210x: add support for Corsair usb dongle
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial fixes from Greg KH: "Here are some small serial fixes that resolve some reported problems that started in 3.15 with some serial drivers. And there's a new dt binding for a serial driver, which was all that was needed for the renesas serial driver" * tag 'tty-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: sh-sci: Add device tree support for r8a7{778,740,3a4} and sh73a0 serial: imx: Fix build breakage serial: arc_uart: Use uart_circ_empty() for open-coded comparison serial: Test for no tx data on tx restart
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char/misc driver fixes from Greg KH: "Here are two hyperv driver fixes, and one i8k driver fix for 3.16" * tag 'char-misc-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: i8k: Fix non-SMP operation Drivers: hv: util: Fix a bug in the KVP code Drivers: hv: vmbus: Fix a bug in the channel callback dispatch code
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull IIO fixes from Greg KH: "Here are some IIO driver fixes for 3.16-rc5. Nothing major, just resolves some minor issues that have been reported" * tag 'staging-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: iio: ti_am335x_adc: Fix: Use same step id at FIFOs both ends iio:tcs3472: Check for buffer enabled and locking iio: hid-sensor-prox: Fix return values iio: hid-sensor-gyro-3d: Fix return values iio: hid-sensor-als: Fix return values iio: hid-sensor-magn-3d: Fix return values iio: hid-sensor-accel-3d: Fix return values iio: hid-sensor-press: Fix return values
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Namjae Jeon authored
Fix potential null pointer dereferencing problem caused by e43bb4e6 ("ext4: decrement free clusters/inodes counters when block group declared bad") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Lukas Czerner <lczerner@redhat.com>
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Theodore Ts'o authored
This fixes the following lockdep complaint: [ INFO: possible circular locking dependency detected ] 3.16.0-rc2-mm1+ #7 Tainted: G O ------------------------------------------------------- kworker/u24:0/4356 is trying to acquire lock: (&(&sbi->s_es_lru_lock)->rlock){+.+.-.}, at: [<ffffffff81285fff>] __ext4_es_shrink+0x4f/0x2e0 but task is already holding lock: (&ei->i_es_lock){++++-.}, at: [<ffffffff81286961>] ext4_es_insert_extent+0x71/0x180 which lock already depends on the new lock. Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ei->i_es_lock); lock(&(&sbi->s_es_lru_lock)->rlock); lock(&ei->i_es_lock); lock(&(&sbi->s_es_lru_lock)->rlock); *** DEADLOCK *** 6 locks held by kworker/u24:0/4356: #0: ("writeback"){.+.+.+}, at: [<ffffffff81071d00>] process_one_work+0x180/0x560 #1: ((&(&wb->dwork)->work)){+.+.+.}, at: [<ffffffff81071d00>] process_one_work+0x180/0x560 #2: (&type->s_umount_key#22){++++++}, at: [<ffffffff811a9c74>] grab_super_passive+0x44/0x90 #3: (jbd2_handle){+.+...}, at: [<ffffffff812979f9>] start_this_handle+0x189/0x5f0 #4: (&ei->i_data_sem){++++..}, at: [<ffffffff81247062>] ext4_map_blocks+0x132/0x550 #5: (&ei->i_es_lock){++++-.}, at: [<ffffffff81286961>] ext4_es_insert_extent+0x71/0x180 stack backtrace: CPU: 0 PID: 4356 Comm: kworker/u24:0 Tainted: G O 3.16.0-rc2-mm1+ #7 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 Workqueue: writeback bdi_writeback_workfn (flush-253:0) ffffffff8213dce0 ffff880014b07538 ffffffff815df0bb 0000000000000007 ffffffff8213e040 ffff880014b07588 ffffffff815db3dd ffff880014b07568 ffff880014b07610 ffff88003b868930 ffff88003b868908 ffff88003b868930 Call Trace: [<ffffffff815df0bb>] dump_stack+0x4e/0x68 [<ffffffff815db3dd>] print_circular_bug+0x1fb/0x20c [<ffffffff810a7a3e>] __lock_acquire+0x163e/0x1d00 [<ffffffff815e89dc>] ? retint_restore_args+0xe/0xe [<ffffffff815ddc7b>] ? __slab_alloc+0x4a8/0x4ce [<ffffffff81285fff>] ? __ext4_es_shrink+0x4f/0x2e0 [<ffffffff810a8707>] lock_acquire+0x87/0x120 [<ffffffff81285fff>] ? __ext4_es_shrink+0x4f/0x2e0 [<ffffffff8128592d>] ? ext4_es_free_extent+0x5d/0x70 [<ffffffff815e6f09>] _raw_spin_lock+0x39/0x50 [<ffffffff81285fff>] ? __ext4_es_shrink+0x4f/0x2e0 [<ffffffff8119760b>] ? kmem_cache_alloc+0x18b/0x1a0 [<ffffffff81285fff>] __ext4_es_shrink+0x4f/0x2e0 [<ffffffff812869b8>] ext4_es_insert_extent+0xc8/0x180 [<ffffffff812470f4>] ext4_map_blocks+0x1c4/0x550 [<ffffffff8124c4c4>] ext4_writepages+0x6d4/0xd00 ... Reported-by: Minchan Kim <minchan@kernel.org> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reported-by: Minchan Kim <minchan@kernel.org> Cc: stable@vger.kernel.org Cc: Zheng Liu <gnehzuil.liu@gmail.com>
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Pali Rohár authored
Dell kernel driver dell-smo8800 provides same freefall interface as hp_accel so program hpfall.c works also on Dell laptops. So rename it to freefall.c. Dell driver does not provide hp::hddprotect led so make sure that freefall.c works also if hp::hddprotect does not exist in sysfs. Additionally write info to syslog. Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Cc: Sonal Santan <sonal.santan@gmail.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Masanari Iida authored
This patch fixed spelling typo in various template files within Documentation/Docbook. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Masanari Iida authored
This patch fixed spelling typo found in DocBook/mtdnand.tmpl. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Horia Geanta authored
Object-like macros are different than function-like macros: https://gcc.gnu.org/onlinedocs/cpp/Object-like-Macros.html https://gcc.gnu.org/onlinedocs/cpp/Function-like-Macros.html They are not parsed correctly, generating invalid intermediate files (xmls) for cases like: #define BIT_MASK (0xFF << BIT_SHIFT) where "OxFF <<" is considered to be parameter type. When parsing, we can differentiate beween these two types of macros by checking whether there is at least one whitespace b/w "#define" and first opening parenthesis. Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Paul Bolle authored
The paragraph on mcelog currently describes kernel v2.6.31. In that kernel the mce code (for i386, that is) was in transition. Ever since v2.6.32 the situation is much simpler (eg, mcelog is now needed to process events on almost all x86 machines, i386 and x86-64). Since this "document is designed to provide a list of the minimum levels of software necessary to run the 3.0 kernels" let's just describe that situation. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Siva Yerramreddy authored
This patch implements DMA Engine API for DMA controller on MIC X100 Coprocessors. DMA h/w is shared between host and card s/w. Channels 0 to 3 are used by host and 4 to 7 are used by card. Since the DMA device doesn't show up as PCIe device, a virtual bus called mic bus is created and virtual devices are added on that bus to follow device model. Allowed dma transfer directions are host to card, card to host and card to card. Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Reviewed-by: Nikhil Rao <nikhil.rao@intel.com> Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com> Signed-off-by: Siva Yerramreddy <yshivakrishna@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bo Shen authored
Add clocks for usb device, or else switch to CCF, the gadget won't work. Reported-by: Jiri Prchal <jiri.prchal@aksignal.cz> Signed-off-by: Bo Shen <voice.shen@atmel.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Tested-by: Jiri Prchal <jiri.prchal@aksignal.cz> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Olof Johansson <olof@lixom.net>
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Siva Yerramreddy authored
modprobe dma driver upon start and remove it upon unload. Signed-off-by: Siva Yerramreddy <yshivakrishna@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Siva Yerramreddy authored
This patch adds a dma device on the mic virtual bus Reviewed-by: Nikhil Rao <nikhil.rao@intel.com> Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com> Signed-off-by: Siva Yerramreddy <yshivakrishna@gmail.com> Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Siva Yerramreddy authored
Add threaded irq support in mic_request_card_irq which will be used for virtual devices added on mic bus. Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Reviewed-by: Nikhil Rao <nikhil.rao@intel.com> Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com> Signed-off-by: Siva Yerramreddy <yshivakrishna@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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