- 04 Mar, 2014 19 commits
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Johannes Weiner authored
Jan Stancek reports manual page migration encountering allocation failures after some pages when there is still plenty of memory free, and bisected the problem down to commit 81c0a2bb ("mm: page_alloc: fair zone allocator policy"). The problem is that GFP_THISNODE obeys the zone fairness allocation batches on one hand, but doesn't reset them and wake kswapd on the other hand. After a few of those allocations, the batches are exhausted and the allocations fail. Fixing this means either having GFP_THISNODE wake up kswapd, or GFP_THISNODE not participating in zone fairness at all. The latter seems safer as an acute bugfix, we can clean up later. Reported-by:
Jan Stancek <jstancek@redhat.com> Signed-off-by:
Johannes Weiner <hannes@cmpxchg.org> Acked-by:
Rik van Riel <riel@redhat.com> Acked-by:
Mel Gorman <mgorman@suse.de> Cc: <stable@kernel.org> [3.12+] Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Liu Ping Fan authored
When doing some numa tests on powerpc, I triggered an oops bug. I find it is caused by using page->_last_cpupid. It should be initialized as "-1 & LAST_CPUPID_MASK", but not "-1". Otherwise, in task_numa_fault(), we will miss the checking (last_cpupid == (-1 & LAST_CPUPID_MASK)). And finally cause an oops bug in task_numa_group(), since the online cpu is less than possible cpu. This happen with CONFIG_SPARSE_VMEMMAP disabled Call trace: SMP NR_CPUS=64 NUMA PowerNV Modules linked in: CPU: 24 PID: 804 Comm: systemd-udevd Not tainted3.13.0-rc1+ #32 task: c000001e2746aa80 ti: c000001e32c50000 task.ti:c000001e32c50000 REGS: c000001e32c53510 TRAP: 0300 Not tainted(3.13.0-rc1+) MSR: 9000000000009032 <SF,HV,EE,ME,IR,DR,RI> CR:28024424 XER: 20000000 CFAR: c000000000009324 DAR: 7265717569726857 DSISR:40000000 SOFTE: 1 NIP .task_numa_fault+0x1470/0x2370 LR .task_numa_fault+0x1468/0x2370 Call Trace: .task_numa_fault+0x1468/0x2370 (unreliable) .do_numa_page+0x480/0x4a0 .handle_mm_fault+0x4ec/0xc90 .do_page_fault+0x3a8/0x890 handle_page_fault+0x10/0x30 Instruction dump: 3c82fefb 3884b138 48d9cff1 60000000 48000574 3c62fefb3863af78 3c82fefb 3884b138 48d9cfd5 60000000 e93f0100 <812902e4> 7d2907b45529063e 7d2a07b4 ---[ end trace 15f2510da5ae07cf ]--- Signed-off-by:
Liu Ping Fan <pingfank@linux.vnet.ibm.com> Signed-off-by:
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Acked-by:
Peter Zijlstra <peterz@infradead.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by:
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Joe Perches authored
Tree location entries should start with the appropriate type. Add git to some, hg to another. Neaten tree type description. Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Joe Perches authored
Convert whitespace to single tab for separators. Signed-off-by:
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Alexandre Bounine authored
This patch is a modification of the patch originally proposed by Xiaotian Feng <xtfeng@gmail.com>: https://lkml.org/lkml/2012/11/5/413 This new version disables DMA channel interrupts and ensures that the tasklet wil not be scheduled again before calling tasklet_kill(). Unfortunately the updated patch was not released at that time due to planned rework of Tsi721 mport driver to use threaded interrupts (which has yet to happen). Recently the issue was reported again: https://lkml.org/lkml/2014/2/19/762. Description from the original Xiaotian's patch: "Some drivers use tasklet_disable in device remove/release process, tasklet_disable will inc tasklet->count and return. If the tasklet is not handled yet under some softirq pressure, the tasklet will be placed on the tasklet_vec, never have a chance to be excuted. This might lead to a heavy loaded ksoftirqd, wakeup with pending_softirq, but tasklet is disabled. tasklet_kill should be used in this case." This patch is applicable to kernel versions starting from v3.5. Signed-off-by:
Alexandre Bounine <alexandre.bounine@idt.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Xiaotian Feng <xtfeng@gmail.com> Reviewed-by:
Thomas Gleixner <tglx@linutronix.de> Cc: Mike Galbraith <bitbucket@online.de> Cc: <stable@vger.kernel.org> [3.5+] Signed-off-by:
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Vyacheslav Dubeyko authored
Current implementation of HFS+ driver has small issue with remount option. Namely, for example, you are unable to remount from RO mode into RW mode by means of command "mount -o remount,rw /dev/loop0 /mnt/hfsplus". Trying to execute sequence of commands results in an error message: mount /dev/loop0 /mnt/hfsplus mount -o remount,ro /dev/loop0 /mnt/hfsplus mount -o remount,rw /dev/loop0 /mnt/hfsplus mount: you must specify the filesystem type mount -t hfsplus -o remount,rw /dev/loop0 /mnt/hfsplus mount: /mnt/hfsplus not mounted or bad option The reason of such issue is failure of mount syscall: mount("/dev/loop0", "/mnt/hfsplus", 0x2282a60, MS_MGC_VAL|MS_REMOUNT, NULL) = -1 EINVAL (Invalid argument) Namely, hfsplus_parse_options_remount() method receives empty "input" argument and return false in such case. As a result, hfsplus_remount() returns -EINVAL error code. This patch fixes the issue by means of return true for the case of empty "input" argument in hfsplus_parse_options_remount() method. Signed-off-by:Vyacheslav Dubeyko <slava@dubeyko.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by:
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Minchan Kim authored
zram_meta_alloc could fail so caller should check it. Otherwise, your system will hang. Signed-off-by:
Minchan Kim <minchan@kernel.org> Acked-by:
Jerome Marchand <jmarchan@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by:
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Geert Uytterhoeven authored
Commit bcf24e1d ("mmc: omap_hsmmc: use the generic config for omap2plus devices"), enabled the build for other platforms for compile testing. sh-allmodconfig now fails with: include/linux/omap-dma.h:171:8: error: expected identifier before numeric constant make[4]: *** [drivers/mmc/host/omap_hsmmc.o] Error 1 This happens because SuperH #defines "CCR", which is one of the enum values in include/linux/omap-dma.h. There's a similar issue with "CCR2" on sh2a. As "CCR" and "CCR2" are too generic names for global #defines, prefix them with "SH_" to fix this. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Jan Kara authored
Global quota files are accessed from different nodes. Thus we cannot cache offset of quota structure in the quota file after we drop our node reference count to it because after that moment quota structure may be freed and reallocated elsewhere by a different node resulting in corruption of quota file. Fix the problem by clearing dq_off when we are releasing dquot structure. We also remove the DB_READ_B handling because it is useless - DQ_ACTIVE_B is set iff DQ_READ_B is set. Signed-off-by:
Jan Kara <jack@suse.cz> Cc: Goldwyn Rodrigues <rgoldwyn@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Reviewed-by:
Mark Fasheh <mfasheh@suse.de> Cc: <stable@vger.kernel.org> Signed-off-by:
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Vikas Sajjan authored
On exynos5250, exynos5420 and exynos5260 it was observed that, after 1 cycle of S2R, the rtc-tick occurs at a very fast rate as compared to the rtc-tick occuring before S2R. This patch fixes the above issue by correcting the wrong way of save/restore of S3C2410_TICNT for TYPE_S3C64XX. Signed-off-by:
Vikas Sajjan <vikas.sajjan@samsung.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Signed-off-by:
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Andy Honig authored
Currently symbols that are absolute addresses are incorrectly displayed in /proc/kallsyms if the kernel is loaded with kASLR. The problem was that the scripts/kallsyms.c file which generates the array of symbol names and addresses uses an relocatable value for all symbols, even absolute symbols. This patch fixes that. Several kallsyms output in different boot states for comparison: $ egrep '_(stext|_per_cpu_(start|end))' /root/kallsyms.nokaslr 0000000000000000 D __per_cpu_start 0000000000014280 D __per_cpu_end ffffffff810001c8 T _stext $ egrep '_(stext|_per_cpu_(start|end))' /root/kallsyms.kaslr1 000000001f200000 D __per_cpu_start 000000001f214280 D __per_cpu_end ffffffffa02001c8 T _stext $ egrep '_(stext|_per_cpu_(start|end))' /root/kallsyms.kaslr2 000000000d400000 D __per_cpu_start 000000000d414280 D __per_cpu_end ffffffff8e4001c8 T _stext $ egrep '_(stext|_per_cpu_(start|end))' /root/kallsyms.kaslr-fixed 0000000000000000 D __per_cpu_start 0000000000014280 D __per_cpu_end ffffffffadc001c8 T _stext Signed-off-by:
Andy Honig <ahonig@google.com> Signed-off-by:
Kees Cook <keescook@chromium.org> Cc: Michal Marek <mmarek@suse.cz> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
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Daniel M. Weeks authored
LZ4 as implemented in the kernel differs from the default method now used by the reference implementation of LZ4. Until the in-kernel method is updated to support the new default, passing the legacy flag (-l) to the compressor is necessary. Without this flag the kernel-generated, LZ4-compressed initramfs is junk. Kyungsik said: : It seems that lz4 supports legacy format with the same option as lz4c : does. Just looking at the first few bytes of lz4 compressed image, we can : see whether it is new format or not. : : It shows new format magic number without this patch. New format magic : number is 0x184d2204. : : $ hexdump -C ./initramfs_data.cpio.lz4 |more : 00000000 04 22 4d 18 64 70 b9 69 (Little Endian) : ... : : Currently kernel supports legacy format only. Signed-off-by:
Daniel M. Weeks <dan@danweeks.net> Cc: Michal Marek <mmarek@suse.cz> Acked-by:
Kyungsik Lee <kyungsik.lee@lge.com> Signed-off-by:
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Vlastimil Babka authored
Daniel Borkmann reported a VM_BUG_ON assertion failing: ------------[ cut here ]------------ kernel BUG at mm/mlock.c:528! invalid opcode: 0000 [#1] SMP Modules linked in: ccm arc4 iwldvm [...] video CPU: 3 PID: 2266 Comm: netsniff-ng Not tainted 3.14.0-rc2+ #8 Hardware name: LENOVO 2429BP3/2429BP3, BIOS G4ET37WW (1.12 ) 05/29/2012 task: ffff8801f87f9820 ti: ffff88002cb44000 task.ti: ffff88002cb44000 RIP: 0010:[<ffffffff81171ad0>] [<ffffffff81171ad0>] munlock_vma_pages_range+0x2e0/0x2f0 Call Trace: do_munmap+0x18f/0x3b0 vm_munmap+0x41/0x60 SyS_munmap+0x22/0x30 system_call_fastpath+0x1a/0x1f RIP munlock_vma_pages_range+0x2e0/0x2f0 ---[ end trace a0088dcf07ae10f2 ]--- because munlock_vma_pages_range() thinks it's unexpectedly in the middle of a THP page. This can be reproduced with default config since 3.11 kernels. A reproducer can be found in the kernel's selftest directory for networking by running ./psock_tpacket. The problem is that an order=2 compound page (allocated by alloc_one_pg_vec_page() is part of the munlocked VM_MIXEDMAP vma (mapped by packet_mmap()) and mistaken for a THP page and assumed to be order=9. The checks for THP in munlock came with commit ff6a6da6 ("mm: accelerate munlock() treatment of THP pages"), i.e. since 3.9, but did not trigger a bug. It just makes munlock_vma_pages_range() skip such compound pages until the next 512-pages-aligned page, when it encounters a head page. This is however not a problem for vma's where mlocking has no effect anyway, but it can distort the accounting. Since commit 7225522b ("mm: munlock: batch non-THP page isolation and munlock+putback using pagevec") this can trigger a VM_BUG_ON in PageTransHuge() check. This patch fixes the issue by adding VM_MIXEDMAP flag to VM_SPECIAL, a list of flags that make vma's non-mlockable and non-mergeable. The reasoning is that VM_MIXEDMAP vma's are similar to VM_PFNMAP, which is already on the VM_SPECIAL list, and both are intended for non-LRU pages where mlocking makes no sense anyway. Related Lkml discussion can be found in [2]. [1] tools/testing/selftests/net/psock_tpacket [2] https://lkml.org/lkml/2014/1/10/427Signed-off-by:Vlastimil Babka <vbabka@suse.cz> Signed-off-by:
Daniel Borkmann <dborkman@redhat.com> Reported-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by:
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Filipe Brandenburger authored
Sometimes the cleanup after memcg hierarchy testing gets stuck in mem_cgroup_reparent_charges(), unable to bring non-kmem usage down to 0. There may turn out to be several causes, but a major cause is this: the workitem to offline parent can get run before workitem to offline child; parent's mem_cgroup_reparent_charges() circles around waiting for the child's pages to be reparented to its lrus, but it's holding cgroup_mutex which prevents the child from reaching its mem_cgroup_reparent_charges(). Further testing showed that an ordered workqueue for cgroup_destroy_wq is not always good enough: percpu_ref_kill_and_confirm's call_rcu_sched stage on the way can mess up the order before reaching the workqueue. Instead, when offlining a memcg, call mem_cgroup_reparent_charges() on all its children (and grandchildren, in the correct order) to have their charges reparented first. Fixes: e5fca243 ("cgroup: use a dedicated workqueue for cgroup destruction") Signed-off-by:
Filipe Brandenburger <filbranden@google.com> Signed-off-by:
Hugh Dickins <hughd@google.com> Reviewed-by:
Tejun Heo <tj@kernel.org> Acked-by:
Michal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: <stable@vger.kernel.org> [v3.10+] Signed-off-by:
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Hugh Dickins authored
Commit 0eef6156 ("memcg: fix css reference leak and endless loop in mem_cgroup_iter") got the interaction with the commit a few before it d8ad3055 ("mm/memcg: iteration skip memcgs not yet fully initialized") slightly wrong, and we didn't notice at the time. It's elusive, and harder to get than the original, but for a couple of days before rc1, I several times saw a endless loop similar to that supposedly being fixed. This time it was a tighter loop in __mem_cgroup_iter_next(): because we can get here when our root has already been offlined, and the ordering of conditions was such that we then just cycled around forever. Fixes: 0eef6156 ("memcg: fix css reference leak and endless loop in mem_cgroup_iter"). Signed-off-by:
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Hugh Dickins authored
Running fsx on tmpfs with concurrent memhog-swapoff-swapon, lots of BUG: sleeping function called from invalid context at kernel/fork.c:606 in_atomic(): 0, irqs_disabled(): 0, pid: 1394, name: swapoff 1 lock held by swapoff/1394: #0: (rcu_read_lock){.+.+.+}, at: [<ffffffff812520a1>] radix_tree_locate_item+0x1f/0x2b6 followed by ================================================ [ BUG: lock held when returning to user space! ] 3.14.0-rc1 #3 Not tainted ------------------------------------------------ swapoff/1394 is leaving the kernel with locks still held! 1 lock held by swapoff/1394: #0: (rcu_read_lock){.+.+.+}, at: [<ffffffff812520a1>] radix_tree_locate_item+0x1f/0x2b6 after which the system recovered nicely. Whoops, I long ago forgot the rcu_read_unlock() on one unlikely branch. Fixes e504f3fd ("tmpfs radix_tree: locate_item to speed up swapoff") Signed-off-by: -
Dan Williams authored
While debug_dma_assert_idle() checks if a given *page* is actively undergoing dma the valid granularity of a dma mapping is a *cacheline*. Sander's testing shows that the warning message "DMA-API: exceeded 7 overlapping mappings of pfn..." is falsely triggering. The test is simply mapping multiple cachelines in a given page. Ultimately we want overlap tracking to be valid as it is a real api violation, so we need to track active mappings by cachelines. Update the active dma tracking to use the page-frame-relative cacheline of the mapping as the key, and update debug_dma_assert_idle() to check for all possible mapped cachelines for a given page. However, the need to track active mappings is only relevant when the dma-mapping is writable by the device. In fact it is fairly standard for read-only mappings to have hundreds or thousands of overlapping mappings at once. Limiting the overlap tracking to writable (!DMA_TO_DEVICE) eliminates this class of false-positive overlap reports. Note, the radix gang lookup is sub-optimal. It would be best if it stopped fetching entries once the search passed a page boundary. Nevertheless, this implementation does not perturb the original net_dma failing case. That is to say the extra overhead does not show up in terms of making the failing case pass due to a timing change. References: http://marc.info/?l=linux-netdev&m=139232263419315&w=2 http://marc.info/?l=linux-netdev&m=139217088107122&w=2Signed-off-by:
Dan Williams <dan.j.williams@intel.com> Reported-by:
Sander Eikelenboom <linux@eikelenboom.it> Reported-by:
Dave Jones <davej@redhat.com> Tested-by:
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David Rientjes authored
Commit bf6bddf1 ("mm: introduce compaction and migration for ballooned pages") introduces page_count(page) into memory compaction which dereferences page->first_page if PageTail(page). This results in a very rare NULL pointer dereference on the aforementioned page_count(page). Indeed, anything that does compound_head(), including page_count() is susceptible to racing with prep_compound_page() and seeing a NULL or dangling page->first_page pointer. This patch uses Andrea's implementation of compound_trans_head() that deals with such a race and makes it the default compound_head() implementation. This includes a read memory barrier that ensures that if PageTail(head) is true that we return a head page that is neither NULL nor dangling. The patch then adds a store memory barrier to prep_compound_page() to ensure page->first_page is set. This is the safest way to ensure we see the head page that we are expecting, PageTail(page) is already in the unlikely() path and the memory barriers are unfortunately required. Hugetlbfs is the exception, we don't enforce a store memory barrier during init since no race is possible. Signed-off-by:
David Rientjes <rientjes@google.com> Cc: Holger Kiehl <Holger.Kiehl@dwd.de> Cc: Christoph Lameter <cl@linux.com> Cc: Rafael Aquini <aquini@redhat.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Michal Hocko <mhocko@suse.cz> Cc: Mel Gorman <mgorman@suse.de> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: <stable@vger.kernel.org> Signed-off-by:
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Borislav Petkov authored
We're more or less collecting EDAC patches already anyway so let's hold it down so that get_maintainer sees it too. Signed-off-by:
Borislav Petkov <bp@suse.de> Acked-by:
Mauro Carvalho Chehab <m.chehab@samsung.com> Cc: Doug Thompson <dougthompson@xmission.com> Signed-off-by:
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- 03 Mar, 2014 1 commit
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Linus Torvalds authored
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- 02 Mar, 2014 15 commits
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "Not a huge amount happening, some MAINTAINERS updates, radeon, vmwgfx and tegra fixes" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/vmwgfx: avoid null pointer dereference at failure paths drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date. drm/vmwgfx: Remove some unused surface formats drm/radeon: enable speaker allocation setup on dce3.2 drm/radeon: change audio enable logic drm/radeon: fix audio disable on dce6+ drm/radeon: free uvd ring on unload drm/radeon: disable pll sharing for DP on DCE4.1 drm/radeon: fix missing bo reservation drm/radeon: print the supported atpx function mask MAINTAINERS: update drm git tree entry MAINTAINERS: add entry for drm radeon driver drm/tegra: Add guard to avoid double disable/enable of RGB outputs gpu: host1x: do not check previously handled gathers drm/tegra: fix typo 'CONFIG_TEGRA_DRM_FBDEV'
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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 2 USB patches for 3.14-rc5, one a new device id, and the other fixes a reported problem with threaded irqs and the USB EHCI driver" * tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: ehci: fix deadlock when threadirqs option is used USB: ftdi_sio: add Cressi Leonardo PID
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Linus Torvalds authored
Merge tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull sysfs fix from Greg KH: "Here is a single sysfs fix for 3.14-rc5. It fixes a reported problem with the namespace code in sysfs" * tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: sysfs: fix namespace refcnt leak
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging tree fixes from Greg KH: "Here are a few IIO fixes, and a new device id for a staging driver for 3.14-rc5. All have been in linux-next for a while, I did a final merge to get the IIO fixes into this tree, they were incorrectly in the char-misc tree for a few weeks, and I forgot to tell you to pull them from there. This makes it a single pull request for you" * tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: r8188eu: Add new device ID staging:iio:adc:MXS:LRADC: fix touchscreen statemachine iio:gyro: bug on L3GD20H gyroscope support iio: cm32181: Change cm32181 ambient light sensor driver iio: cm36651: Fix read/write integration time function.
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git://people.freedesktop.org/~agd5f/linuxDave Airlie authored
more radeon fixes * 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: enable speaker allocation setup on dce3.2 drm/radeon: change audio enable logic drm/radeon: fix audio disable on dce6+ drm/radeon: free uvd ring on unload drm/radeon: disable pll sharing for DP on DCE4.1 drm/radeon: fix missing bo reservation drm/radeon: print the supported atpx function mask
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Greg Kroah-Hartman authored
These I forgot about before, but need to get into 3.14-final. Signed-off-by:Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Ingo Molnar: "Misc fixes, most of them on the tooling side" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tools: Fix strict alias issue for find_first_bit perf tools: fix BFD detection on opensuse perf: Fix hotplug splat perf/x86: Fix event scheduling perf symbols: Destroy unused symsrcs perf annotate: Check availability of annotate when processing samples
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Dave Airlie authored
Merge tag 'vmwgfx-fixes-3.14-2014-03-02' of git://people.freedesktop.org/~thomash/linux into drm-fixes A couple of minor fixes. Pull request of 2014-03-02 * tag 'vmwgfx-fixes-3.14-2014-03-02' of git://people.freedesktop.org/~thomash/linux: drm/vmwgfx: avoid null pointer dereference at failure paths drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date. drm/vmwgfx: Remove some unused surface formats
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Alexey Khoroshilov authored
vmw_takedown_otable_base() and vmw_mob_unbind() check for potential vmw_fifo_reserve() failure and print error message, but then immediately dereference NULL pointer. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by:
Alexey Khoroshilov <khoroshilov@ispras.ru> Reviewed-by:
Thomas Hellstrom <thellstrom@vmware.com>
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Thomas Hellstrom authored
Backing mob contents is propagated to user-space, so make sure backing mobs are cleared when allocated. This also accidently fix rendering errors with celestia when emulating legacy mode. Also update driver date. Signed-off-by:
Brian Paul <brianp@vmware.com>
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Thomas Hellstrom authored
These formats are deprecated. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Peter Anvin: "The VMCOREINFO patch I'll pushing for this release to avoid having a release with kASLR and but without that information. I was hoping to include the FPU patches from Suresh, but ran into a problem (see other thread); will try to make them happen next week" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, kaslr: add missed "static" declarations x86, kaslr: export offset in VMCOREINFO ELF notes
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds authored
Pull SCSI target fixes from Nicholas Bellinger: "The bulk of the series are bugfixes for qla2xxx target NPIV support that went in for v3.14-rc1. Also included are a few DIF related fixes, a qla2xxx fix (Cc'ed to stable) from Greg W., and vhost/scsi protocol version related fix from Venkatesh. Also just a heads up that a series to address a number of issues with iser-target active I/O reset/shutdown is still being tested, and will be included in a separate -rc6 PULL request" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: vhost/scsi: Check LUN structure byte 0 is set to 1, per spec qla2xxx: Fix kernel panic on selective retransmission request Target/sbc: Don't use sg as iterator in sbc_verify_read target: Add DIF sense codes in transport_generic_request_failure target/sbc: Fix sbc_dif_copy_prot addr offset bug tcm_qla2xxx: Fix NAA formatted name for NPIV WWPNs tcm_qla2xxx: Perform configfs depend/undepend for base_tpg tcm_qla2xxx: Add NPIV specific enable/disable attribute logic qla2xxx: Check + fail when npiv_vports_inuse exists in shutdown qla2xxx: Fix qlt_lport_register base_vha callback race
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull slave-dma fixes from Vinod Koul: "This request brings you two small fixes. First one for fixing dereference of freed descriptor and second for fixing sdma bindings for it to work for imx25. I was planning to send this about 10days ago but then I had to proceed on my paternity leave and didnt get chance to send this. Now got a bit of time from dady duties :)" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dma: sdma: Add imx25 compatible dma: ste_dma40: don't dereference free:d descriptor
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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 Wysocki: "These three commits fix a recent intel_pstate regression and two old bugs that should be fixed in -stable too, one in the ACPI processor driver and one in the firmare loader. Specifics: - One of the recent intel_pstate driver fixes introduced a rounding error that on some systems causes the frequency to be stuck at the lowest level forever. Fix from Dirk Brandewie. - The firmware_class driver's PM notifier doesn't handle the PM_RESTORE_PREPARE event during hibernation image restore and that leads to a deadlock on umhelper_sem in __usermodehelper_disable(). Fix from Sebastian Capella. - acpi_processor_set_throttling() abuses set_cpus_allowed_ptr() in a nasty way which triggers the WARN_ON_ONCE() in wq_worker_waking_up() among other things. Fix from Lan Tianyu" * tag 'pm+acpi-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / processor: Rework processor throttling with work_on_cpu() PM / hibernate: Fix restore hang in freeze_processes() intel_pstate: Change busy calculation to use fixed point math.
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- 01 Mar, 2014 2 commits
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Ingo Molnar authored
Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/urgent build fixes for certain distro environments, from Arnaldo Carvalho de Melo: * Problem on recent gcc on x86-32 related to strict alias issue for find_first_bit (Jiri Olsa). * OpenSuSE: BFD detection problems related to not explicitely listing all required libraries (Andi Kleen) Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by:
Ingo Molnar <mingo@kernel.org>
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Greg Kroah-Hartman authored
Merge tag 'fixes-for-3.14d' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus Jonathan writes: Fourth set of IIO fixes for the 3.14 kernel. A single line patch fixing a regression that was introduced in 3.13 in the reworking of the mxs touch screen and ADC drivers to be interrupt rather than polling driven. It resulted in a stray double reporting of the release coordinate in the touch screen driver. The bug lay in the adc side of the driver which left the statemachine in the wrong state.
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- 28 Feb, 2014 3 commits
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Russell King authored
Add a maintainers entry for the Armada DRM driver. Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dmLinus Torvalds authored
Pull device mapper fixes from Mike Snitzer: "A few dm-cache fixes, an invalid ioctl handling fix for dm multipath, a couple immutable biovec fixups for dm mirror, and a few dm-thin fixes. There will likely be additional dm-thin metadata and data resize fixes to include in 3.14-rc6 next week. Note to stable-minded folks: Immutable biovecs were introduced in 3.14, so the related fixups for dm mirror are not needed in stable@ kernels" * tag 'dm-3.14-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm cache: fix truncation bug when mapping I/O to >2TB fast device dm thin: allow metadata space larger than supported to go unused dm mpath: fix stalls when handling invalid ioctls dm thin: fix the error path for the thin device constructor dm raid1: fix immutable biovec related BUG when retrying read bio dm io: fix I/O to multiple destinations dm thin: avoid metadata commit if a pool's thin devices haven't changed dm cache: do not add migration to completed list before unhooking bio dm cache: move hook_info into common portion of per_bio_data structure
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "It's a bad habit to get a higher volume of fixes often lately, but things happen again. All commits found here are real bug fixes, and are mostly trivial. Most of changes in ASoC are the fixes for enum items due to the wrong API usages, in addition to a few DAPM mutex deadlock and other fixes. In HD-audio, only fixups for HP laptops. Although diffstat shows much, the changes are simple: there are just so many different device entries there" * tag 'sound-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ASoC: sta32x: Fix wrong enum for limiter2 release rate ASoC: da732x: Mark DC offset control registers volatile ALSA: hda/realtek - Add more entry for enable HP mute led ALSA: hda - Add a fixup for HP Folio 13 mute LED ASoC: wm8958-dsp: Fix firmware block loading ASoC: sta32x: Fix cache sync ALSA: hda/realtek - Add more entry for enable HP mute led ASoC: dapm: Add locking to snd_soc_dapm_xxxx_pin functions Input - arizona-haptics: Fix double lock of dapm_mutex ASoC: wm8400: Fix the wrong number of enum items ASoC: isabelle: Fix the wrong number of items in enum ctls ASoC: ad1980: Fix wrong number of items for capture source ASoC: wm8994: Fix the wrong number of enum items ASoC: wm8900: Fix the wrong number of enum items ASoC: wm8770: Fix wrong number of enum items ASoC: sta32x: Fix array access overflow ASoC: dapm: Correct regulator bypass error messages
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