- 03 Nov, 2013 3 commits
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Linus Torvalds authored
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git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds authored
Pull MIPS fixes from Ralf Baechle: "Three fixes across arch/mips with the most complex one being the GIC interrupt fix - at nine lines still not monster. I'm confident this are the final MIPS patches even if there should go for an rc8" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: ralink: fix return value check in rt_timer_probe() MIPS: malta: Fix GIC interrupt offsets MIPS: Perf: Fix 74K cache map
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Mathias Krause authored
Negative message lengths make no sense -- so don't do negative queue lenghts or identifier counts. Prevent them from getting negative. Also change the underlying data types to be unsigned to avoid hairy surprises with sign extensions in cases where those variables get evaluated in unsigned expressions with bigger data types, e.g size_t. In case a user still wants to have "unlimited" sizes she could just use INT_MAX instead. Signed-off-by:
Mathias Krause <minipli@googlemail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 02 Nov, 2013 2 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linuxLinus Torvalds authored
Pull ARM kallsyms fix from Rusty Russell: "Last minute perf unbreakage for ARM modules; spent a day in linux-next" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: scripts/kallsyms: filter symbols not in kernel address space
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Vineet Gupta authored
A vmalloc fault needs to sync up PGD/PTE entry from init_mm to current task's "active_mm". ARC vmalloc fault handler however was using mm. A vmalloc fault for non user task context (actually pre-userland, from init thread's open for /dev/console) caused the handler to deref NULL mm (for mm->pgd) The reasons it worked so far is amazing: 1. By default (!SMP), vmalloc fault handler uses a cached value of PGD. In SMP that MMU register is repurposed hence need for mm pointer deref. 2. In pre-3.12 SMP kernel, the problem triggering vmalloc didn't exist in pre-userland code path - it was introduced with commit 20bafb3d "n_tty: Move buffers into n_tty_data" Signed-off-by:
Vineet Gupta <vgupta@synopsys.com> Cc: Gilad Ben-Yossef <gilad@benyossef.com> Cc: Noam Camus <noamc@ezchip.com> Cc: stable@vger.kernel.org #3.10 and 3.11 Cc: Peter Hurley <peter@hurleysoftware.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 01 Nov, 2013 20 commits
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Ming Lei authored
This patch uses CONFIG_PAGE_OFFSET to filter symbols which are not in kernel address space because these symbols are generally for generating code purpose and can't be run at kernel mode, so we needn't keep them in /proc/kallsyms. For example, on ARM there are some symbols which may be linked in relocatable code section, then perf can't parse symbols any more from /proc/kallsyms, this patch fixes the problem (introduced b9b32bf7) Cc: Russell King <linux@arm.linux.org.uk> Cc: linux-arm-kernel@lists.infradead.org Cc: Michal Marek <mmarek@suse.cz> Signed-off-by:
Ming Lei <tom.leiming@gmail.com> Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Ingo Molnar: "Two fixes: - Fix 'NMI handler took too long to run' false positives [ Genuine NMI overhead speedups will come for v3.13, this commit only fixes a measurement bug ] - Fix perf ring-buffer missed barrier causing (rare) ring-buffer data corruption on ppc64" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86: Fix NMI measurements perf: Fix perf ring buffer memory ordering
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here is a set of patches that revert all of the changes done to the pl2303 USB serial driver in the 3.12-rc timeframe, as it turns out they break some devices that work just fine on 3.11. As it's not a good idea to break working systems, drop them all and they will be reworked for future kernel versions such that there is no breakage. I've also included a MAINTAINERS update for the USB serial subsystem and a new device id for the ftdi_sio driver as well" * tag 'usb-3.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: serial: ftdi_sio: add id for Z3X Box device USB: Maintainers change for usb serial drivers Revert "USB: pl2303: restrict the divisor based baud rate encoding method to the "HX" chip type" Revert "usb: pl2303: fix+improve the divsor based baud rate encoding method" Revert "usb: pl2303: do not round to the next nearest standard baud rate for the divisor based baud rate encoding method" Revert "usb: pl2303: remove 500000 baud from the list of standard baud rates" Revert "usb: pl2303: move the two baud rate encoding methods to separate functions" Revert "usb: pl2303: increase the allowed baud rate range for the divisor based encoding method" Revert "usb: pl2303: also use the divisor based baud rate encoding method for baud rates < 115200 with HX chips" Revert "usb: pl2303: add two comments concerning the supported baud rates with HX chips" Revert "pl2303: simplify the else-if contruct for type_1 chips in pl2303_startup()" Revert "pl2303: improve the chip type information output on startup" Revert "pl2303: improve the chip type detection/distinction" Revert "USB: pl2303: distinguish between original and cloned HX chips"
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull more sound fixes from Takashi Iwai: "The fixes for random bugs that have been reported lately in the game: a few fixes in ASoC dpam and wm_hubs bugs spotted by Coverity, a one-liner HD-audio fixup, and a fix for Oops with DPCM. They are not so critically urgent bugs, but all small and safe" * tag 'sound-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: fix oops in snd_pcm_info() caused by ASoC DPCM ASoC: wm_hubs: Add missing break in hp_supply_event() ALSA: hda - Add a fixup for ASUS N76VZ ASoC: dapm: Return -ENOMEM in snd_soc_dapm_new_dai_widgets() ASoC: dapm: Fix source list debugfs outputs
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git://git.linaro.org/people/mturquette/linuxLinus Torvalds authored
Pull clock subsystem fixes from Mike Turquette. * tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux: clk: fixup argument order when setting VCO parameters clk: socfpga: Fix incorrect sdmmc clock name clk: armada-370: fix tclk frequencies clk: nomadik: set all timers to use 2.4 MHz TIMCLK
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Greg Thelen authored
When a memcg is deleted mem_cgroup_reparent_charges() moves charged memory to the parent memcg. As of v3.11-9444-g3ea67d06 "memcg: add per cgroup writeback pages accounting" there's bad pointer read. The goal was to check for counter underflow. The counter is a per cpu counter and there are two problems with the code: (1) per cpu access function isn't used, instead a naked pointer is used which easily causes oops. (2) the check doesn't sum all cpus Test: $ cd /sys/fs/cgroup/memory $ mkdir x $ echo 3 > /proc/sys/vm/drop_caches $ (echo $BASHPID >> x/tasks && exec cat) & [1] 7154 $ grep ^mapped x/memory.stat mapped_file 53248 $ echo 7154 > tasks $ rmdir x <OOPS> The fix is to remove the check. It's currently dangerous and isn't worth fixing it to use something expensive, such as percpu_counter_sum(), for each reparented page. __this_cpu_read() isn't enough to fix this because there's no guarantees of the current cpus count. The only guarantees is that the sum of all per-cpu counter is >= nr_pages. Fixes: 3ea67d06 ("memcg: add per cgroup writeback pages accounting") Reported-and-tested-by:
Flavio Leitner <fbl@redhat.com> Signed-off-by:
Greg Thelen <gthelen@google.com> Reviewed-by:
Sha Zhengju <handai.szj@taobao.com> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Signed-off-by:
Hugh Dickins <hughd@google.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Алексей Крамаренко authored
Custom VID/PID for Z3X Box device, popular tool for cellphone flashing. Signed-off-by:
Alexey E. Kramarenko <alexeyk13@yandex.ru> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg KH authored
Johan has been conned^Wgracious in accepting the maintainership of the USB serial drivers, especially as he's been doing all of the real work for the past few years. At the same time, remove a bunch of old entries for USB serial drivers that don't make sense anymore, given that the developers are no longer around, and individual driver maintainerships for tiny things like this is pretty pointless. Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit b8bdad60. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit 57ce61aa. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
Revert "usb: pl2303: do not round to the next nearest standard baud rate for the divisor based baud rate encoding method" This reverts commit 75417d9f. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit b9208c72. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit e917ba01. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit b5c16c6a. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
Revert "usb: pl2303: also use the divisor based baud rate encoding method for baud rates < 115200 with HX chips" This reverts commit 61fa8d69. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit c23bda36. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit 73b583af. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit a77a8c23. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit 034d1527. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman authored
This reverts commit 7d26a78f. Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as they cause regressions on some versions of the chip. This will all be revisited for later kernel versions when we can figure out how to handle this in a way that does not break working devices. Reported-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Frank Schäfer <fschaefer.oss@googlemail.com> Acked-by:
Johan Hovold <jhovold@gmail.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 31 Oct, 2013 14 commits
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Linus Torvalds authored
Merge four more fixes from Andrew Morton. * emailed patches from Andrew Morton <akpm@linux-foundation.org>: lib/scatterlist.c: don't flush_kernel_dcache_page on slab page mm: memcg: fix test for child groups mm: memcg: lockdep annotation for memcg OOM lock mm: memcg: use proper memcg in limit bypass
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Ming Lei authored
Commit b1adaf65 ("[SCSI] block: add sg buffer copy helper functions") introduces two sg buffer copy helpers, and calls flush_kernel_dcache_page() on pages in SG list after these pages are written to. Unfortunately, the commit may introduce a potential bug: - Before sending some SCSI commands, kmalloc() buffer may be passed to block layper, so flush_kernel_dcache_page() can see a slab page finally - According to cachetlb.txt, flush_kernel_dcache_page() is only called on "a user page", which surely can't be a slab page. - ARCH's implementation of flush_kernel_dcache_page() may use page mapping information to do optimization so page_mapping() will see the slab page, then VM_BUG_ON() is triggered. Aaro Koskinen reported the bug on ARM/kirkwood when DEBUG_VM is enabled, and this patch fixes the bug by adding test of '!PageSlab(miter->page)' before calling flush_kernel_dcache_page(). Signed-off-by:
Ming Lei <ming.lei@canonical.com> Reported-by:
Aaro Koskinen <aaro.koskinen@iki.fi> Tested-by:
Simon Baatz <gmbnomis@gmail.com> Cc: Russell King - ARM Linux <linux@arm.linux.org.uk> Cc: Will Deacon <will.deacon@arm.com> Cc: Aaro Koskinen <aaro.koskinen@iki.fi> Acked-by:
Catalin Marinas <catalin.marinas@arm.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Tejun Heo <tj@kernel.org> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: <stable@vger.kernel.org> [3.2+] Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Johannes Weiner authored
When memcg code needs to know whether any given memcg has children, it uses the cgroup child iteration primitives and returns true/false depending on whether the iteration loop is executed at least once or not. Because a cgroup's list of children is RCU protected, these primitives require the RCU read-lock to be held, which is not the case for all memcg callers. This results in the following splat when e.g. enabling hierarchy mode: WARNING: CPU: 3 PID: 1 at kernel/cgroup.c:3043 css_next_child+0xa3/0x160() CPU: 3 PID: 1 Comm: systemd Not tainted 3.12.0-rc5-00117-g83f11a9c-dirty #18 Hardware name: LENOVO 3680B56/3680B56, BIOS 6QET69WW (1.39 ) 04/26/2012 Call Trace: dump_stack+0x54/0x74 warn_slowpath_common+0x78/0xa0 warn_slowpath_null+0x1a/0x20 css_next_child+0xa3/0x160 mem_cgroup_hierarchy_write+0x5b/0xa0 cgroup_file_write+0x108/0x2a0 vfs_write+0xbd/0x1e0 SyS_write+0x4c/0xa0 system_call_fastpath+0x16/0x1b In the memcg case, we only care about children when we are attempting to modify inheritable attributes interactively. Racing with deletion could mean a spurious -EBUSY, no problem. Racing with addition is handled just fine as well through the memcg_create_mutex: if the child group is not on the list after the mutex is acquired, it won't be initialized from the parent's attributes until after the unlock. Signed-off-by:
Johannes Weiner <hannes@cmpxchg.org> Acked-by:
Michal Hocko <mhocko@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Johannes Weiner authored
The memcg OOM lock is a mutex-type lock that is open-coded due to memcg's special needs. Add annotations for lockdep coverage. Signed-off-by:
Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Johannes Weiner authored
Commit 84235de3 ("fs: buffer: move allocation failure loop into the allocator") allowed __GFP_NOFAIL allocations to bypass the limit if they fail to reclaim enough memory for the charge. But because the main test case was on a 3.2-based system, the patch missed the fact that on newer kernels the charge function needs to return root_mem_cgroup when bypassing the limit, and not NULL. This will corrupt whatever memory is at NULL + percpu pointer offset. Fix this quickly before problems are reported. Signed-off-by:
Johannes Weiner <hannes@cmpxchg.org> Acked-by:
Michal Hocko <mhocko@suse.cz> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
We do not want to dirty the dentry->d_flags cacheline in dput() just to set the DCACHE_REFERENCED flag when it is already set in the common case anyway. This way the first cacheline of the dentry (which contains the RCU lookup information etc) can stay shared among multiple CPU's. This finishes off some of the details of all the scalability patches merged during the merge window. Also don't mark dentry_kill() for inlining, since it's the uncommon path and inlining it just makes the common path slower due to extra function entry/exit overhead. Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
The last i915 drm update brought with it this annoying warning drivers/gpu/drm/i915/intel_crt.c: In function ‘intel_crt_get_config’: drivers/gpu/drm/i915/intel_crt.c:110:21: warning: unused variable ‘dev’ [-Wunused-variable] struct drm_device *dev = encoder->base.dev; ^ introduced by commit 7195a50b ("drm/i915: Add HSW CRT output readout support"). Remove the offending pointless variable. Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull NUMA balancing memory corruption fixes from Ingo Molnar: "So these fixes are definitely not something I'd like to sit on, but as I said to Mel at the KS the timing is quite tight, with Linus planning v3.12-final within a week. Fedora-19 is affected: comet:~> grep NUMA_BALANCING /boot/config-3.11.3-201.fc19.x86_64 CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y CONFIG_NUMA_BALANCING_DEFAULT_ENABLED=y CONFIG_NUMA_BALANCING=y AFAICS Ubuntu will be affected as well, once it updates the kernel: hubble:~> grep NUMA_BALANCING /boot/config-3.8.0-32-generic CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y CONFIG_NUMA_BALANCING_DEFAULT_ENABLED=y CONFIG_NUMA_BALANCING=y These 6 commits are a minimalized set of cherry-picks needed to fix the memory corruption bugs. All commits are fixes, except "mm: numa: Sanitize task_numa_fault() callsites" which is a cleanup that made two followup fixes simpler. I've done targeted testing with just this SHA1 to try to make sure there are no cherry-picking artifacts. The original non-cherry-picked set of fixes were exposed to linux-next for a couple of weeks" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: mm: Account for a THP NUMA hinting update as one PTE update mm: Close races between THP migration and PMD numa clearing mm: numa: Sanitize task_numa_fault() callsites mm: Prevent parallel splits during THP migration mm: Wait for THP migrations to complete during NUMA hinting faults mm: numa: Do not account for a hinting fault if we raced
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
Pull input updates from Dmitry Torokhov: "A bit later than I would want, but the changes are very minor - a few new device IDs for new hardware in existing drivers, fix for battery in Wacom devices not be considered system battery and cause emergency hibernations, and a couple of other bug fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: ALPS - add support for model found on Dell XT2 Input: wacom - add support for ISDv4 0x10E sensor Input: wacom - add support for ISDv4 0x10F sensor Input: wacom - export battery scope Input: cm109 - convert high volume dev_err() to dev_err_ratelimited() Input: move name/timer init to input_alloc_dev() Input: i8042 - i8042_flush fix for a full 8042 buffer Input: pxa27x_keypad - fix NULL pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull ACPI and power management fixes from Rafael J Wysocki: "Last-minute ACPI and power management fixes for 3.12 - Revert epoll and select commits related to the freezer, introduced during the 3.11 cycle, that cause mysterious user space breakage to occur during resume from suspend to RAM for multiple users of 32-bit x86 systems. Material for 3.11.y stable kernels. - Revert a recent ACPI-based PCI hotplug (ACPIPHP) commit that was part of boot problem fixes for one machine, but turns out to cause issues with hotplug on Thunderbolt chains with multiple devices. It also turns out to be unnecessary after another fix in the same area that went in later. From Mika Westerberg" * tag 'pm+acpi-3.12-late' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "ACPI / hotplug / PCI: Avoid doing too much for spurious notifies" Revert "select: use freezable blocking call" Revert "epoll: use freezable blocking call"
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Russell King authored
Unable to handle kernel NULL pointer dereference at virtual address 00000008 pgd = d5300000 [00000008] *pgd=0d265831, *pte=00000000, *ppte=00000000 Internal error: Oops: 17 [#1] PREEMPT ARM CPU: 0 PID: 2295 Comm: vlc Not tainted 3.11.0+ #755 task: dee74800 ti: e213c000 task.ti: e213c000 PC is at snd_pcm_info+0xc8/0xd8 LR is at 0x30232065 pc : [<c031b52c>] lr : [<30232065>] psr: a0070013 sp : e213dea8 ip : d81cb0d0 fp : c05f7678 r10: c05f7770 r9 : fffffdfd r8 : 00000000 r7 : d8a968a8 r6 : d8a96800 r5 : d8a96200 r4 : d81cb000 r3 : 00000000 r2 : d81cb000 r1 : 00000001 r0 : d8a96200 Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c5387d Table: 15300019 DAC: 00000015 Process vlc (pid: 2295, stack limit = 0xe213c248) [<c031b52c>] (snd_pcm_info) from [<c031b570>] (snd_pcm_info_user+0x34/0x9c) [<c031b570>] (snd_pcm_info_user) from [<c03164a4>] (snd_pcm_control_ioctl+0x274/0x280) [<c03164a4>] (snd_pcm_control_ioctl) from [<c0311458>] (snd_ctl_ioctl+0xc0/0x55c) [<c0311458>] (snd_ctl_ioctl) from [<c00eca84>] (do_vfs_ioctl+0x80/0x31c) [<c00eca84>] (do_vfs_ioctl) from [<c00ecd5c>] (SyS_ioctl+0x3c/0x60) [<c00ecd5c>] (SyS_ioctl) from [<c000e500>] (ret_fast_syscall+0x0/0x48) Code: e1a00005 e59530dc e3a01001 e1a02004 (e5933008) ---[ end trace cb3d9bdb8dfefb3c ]--- This is provoked when the ASoC front end is open along with its backend, (which causes the backend to have a runtime assigned to it) and then the SNDRV_CTL_IOCTL_PCM_INFO is requested for the (visible) backend device. Resolve this by ensuring that ASoC internal backend devices are not visible to userspace, just as the commentry for snd_pcm_new_internal() says it should be. Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk> Acked-by:
Mark Brown <broonie@linaro.org> Cc: <stable@vger.kernel.org> [v3.4+] Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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Wei Yongjun authored
In case of error, the function devm_request_and_ioremap() returns NULL pointer not ERR_PTR(). Fix it by using devm_ioremap_resource() instead of devm_request_and_ioremap(). Signed-off-by:
Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by:
John Crispin <blogic@openwrt.org> Cc: grant.likely@linaro.org Cc: rob.herring@calxeda.com Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6098/Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Yunkang Tang authored
This patch adds support for touchpad found on Dell XT2. It's a dual device with device ID: 73, 00, 14, that comply with "ALPS_PROTO_V2". Signed-off-by:
Yunkang Tang <yunkang.tang@cn.alps.com> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://people.freedesktop.org/~agd5f/linuxDave Airlie authored
Just a few small fixes for radeon (audio regression fix, stability fix, and an endian bug noticed by coverity). * 'drm-fixes-3.12' of git://people.freedesktop.org/~agd5f/linux: drm/radeon/dpm: fix incompatible casting on big endian drm/radeon: disable bapm on KB drm/radeon: use sw CTS/N values for audio on DCE4+
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- 30 Oct, 2013 1 commit
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Linus Torvalds authored
Merge three fixes from Andrew Morton. * emailed patches from Andrew Morton <akpm@linux-foundation.org>: memcg: use __this_cpu_sub() to dec stats to avoid incorrect subtrahend casting percpu: fix this_cpu_sub() subtrahend casting for unsigneds mm/pagewalk.c: fix walk_page_range() access of wrong PTEs
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