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7379047 Linus Torvalds 18 October 2015, 23:08:42 UTC Linux 4.3-rc6 18 October 2015, 23:08:42 UTC
c44b325 Linus Torvalds 18 October 2015, 19:07:48 UTC Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Here are some bugfixes for the I2C subsystem. Kieran found a flaw in the recently renewed wake irq handling. Mika handled a user bug report where the ACPI info turned out to be unusable. I updated MAINTAINERS so that such bug reports will sooner get to the right people. Geert pointed me to a problem of some i2c drivers regarding PM which I fixed" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: designware: Do not use parameters from ACPI on Dell Inspiron 7348 MAINTAINERS: add maintainers for Synopsis Designware I2C drivers i2c: designware-platdrv: enable RuntimePM before registering to the core i2c: s3c2410: enable RuntimePM before registering to the core i2c: rcar: enable RuntimePM before registering to the core i2c: return probe deferred status on dev_pm_domain_attach 18 October 2015, 19:07:48 UTC
56d4b8a Mika Westerberg 24 September 2015, 09:06:54 UTC i2c: designware: Do not use parameters from ACPI on Dell Inspiron 7348 ACPI SSCN/FMCN methods were originally added because then the platform can provide the most accurate HCNT/LCNT values to the driver. However, this seems not to be true for Dell Inspiron 7348 where using these causes the touchpad to fail in boot: i2c_hid i2c-DLL0675:00: failed to retrieve report from device. i2c_designware INT3433:00: i2c_dw_handle_tx_abort: lost arbitration i2c_hid i2c-DLL0675:00: failed to retrieve report from device. i2c_designware INT3433:00: controller timed out The values received from ACPI are (in fast mode): HCNT: 72 LCNT: 160 this translates to following timings (input clock is 100MHz on Broadwell): tHIGH: 720 ns (spec min 600 ns) tLOW: 1600 ns (spec min 1300 ns) Bus period: 2920 ns (assuming 300 ns tf and tr) Bus speed: 342.5 kHz Both tHIGH and tLOW are within the I2C specification. The calculated values when ACPI parameters are not used are (in fast mode): HCNT: 87 LCNT: 159 which translates to: tHIGH: 870 ns (spec min 600 ns) tLOW: 1590 ns (spec min 1300 ns) Bus period 3060 ns (assuming 300 ns tf and tr) Bus speed 326.8 kHz These values are also within the I2C specification. Since both ACPI and calculated values meet the I2C specification timing requirements it is hard to say why the touchpad does not function properly with the ACPI values except that the bus speed is higher in this case (but still well below the max 400kHz). Solve this by adding DMI quirk to the driver that disables using ACPI parameters on this particulare machine. Reported-by: Pavel Roskin <plroskin@gmail.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Tested-by: Pavel Roskin <plroskin@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org 18 October 2015, 12:11:08 UTC
81429a6 Linus Torvalds 17 October 2015, 15:47:27 UTC Merge branches 'irq-urgent-for-linus' and 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq/timer fixes from Thomas Gleixner: "irq: a fix for the new hierarchical MSI interrupt handling which unbreaks PCI=n configurations. timers: a fix for the new hrtimer clock offset update mechanism to ensure that the boot time offset is respected" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq/msi: Do not use pci_msi_[un]mask_irq as default methods * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timekeeping: Increment clock_was_set_seq in timekeeping_init() 17 October 2015, 15:47:27 UTC
16c8b9c Linus Torvalds 17 October 2015, 00:39:27 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: "Just two small fixups to ads7846 touchscreen controller driver and Cypress touchpad driver" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: cyapa - fix the copy paste error on electrodes_rx value Input: ads7846 - correct the value got from SPI 17 October 2015, 00:39:27 UTC
4f3f957 Linus Torvalds 17 October 2015, 00:11:14 UTC Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fix from Stephen Boyd: "Just one revert for Armada XP devices: the conversion to of_clk_get_parent_name() wasn't a direct translation, so we revert back to of_clk_get() + __clk_get_name(). We could make of_clk_get_parent_name() more robust, but that may have unintended side-effects, so we'll do that in the next version" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: Partially revert "clk: mvebu: Convert to clk_hw based provider APIs" 17 October 2015, 00:11:14 UTC
045ce74 Linus Torvalds 16 October 2015, 20:03:05 UTC Merge tag 'dm-4.3-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: "Two DM target error path cleanup fixes (one for stable in DM thinp and one for a v4.3-rc5 thinko in DM snapshot)" * tag 'dm-4.3-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm thin: fix missing pool reference count decrement in pool_ctr error path dm snapshot persistent: fix missing cleanup in persistent_ctr error path 16 October 2015, 20:03:05 UTC
6aa8ca4 Linus Torvalds 16 October 2015, 19:55:34 UTC Merge branch 'for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixes from Chris Mason: "I have two more bug fixes for btrfs. My commit fixes a bug we hit last week at FB, a combination of lots of hard links and an admin command to resolve inode numbers. Dave is adding checks to make sure balance on current kernels ignores filters it doesn't understand. The penalty for being wrong is just doing more work (not crashing etc), but it's a good fix" * 'for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: fix use after free iterating extrefs btrfs: check unsupported filters in balance arguments 16 October 2015, 19:55:34 UTC
59bcce1 Linus Torvalds 16 October 2015, 19:47:02 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client Pull Ceph fixes from Sage Weil: "Just two small items from Ilya: The first patch fixes the RBD readahead to grab full objects. The second fixes the write ops to prevent undue promotion when a cache tier is configured on the server side" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: rbd: use writefull op for object size writes rbd: set max_sectors explicitly 16 October 2015, 19:47:02 UTC
a4c4c49 Linus Torvalds 16 October 2015, 19:25:54 UTC Merge tag 'pm+acpi-4.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management and ACPI fixes from Rafael Wysocki: "These fix two recent regressions (ACPICA, the generic power domains framework) and one crash that may happen on specific hardware supported since 4.1 (intel_pstate). Specifics: - Fix a regression introduced by a recent ACPICA cleanup that uncovered a latent bug (Lv Zheng). - Fix a recent regression in the generic power domains framework that may cause it to violate PM QoS latency constraints in some cases (Ulf Hansson). - Fix an intel_pstate driver crash on the Knights Landing chips that do not update the MPERF counter as often as expected by the driver which may result in a divide by 0 (Srinivas Pandruvada)" * tag 'pm+acpi-4.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: intel_pstate: Fix divide by zero on Knights Landing (KNL) ACPICA: Tables: Fix FADT dependency regression PM / Domains: Fix validation of latency constraints in genpd governor 16 October 2015, 19:25:54 UTC
8b7b56f Linus Torvalds 16 October 2015, 19:19:11 UTC Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "Nothing too crazy or exciting: - two MAINTAINERS entries that I didn't see the point in delaying. - one drm mst fix to stop sending uninitialised data to monitors - two amdgpu fixes - one radeon mst tiling fix - one vmwgfx regression fix - one virtio warning fix. I have found one locking problem that needs a bit of reorg to fix, but I'm not sure it's worth putting in -fixes as I don't think we've seen it hit in the real world ever, I just found it using the virtio-gpu driver when working on it. I'll possibly send it next week once I've time to discuss with Daniel" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/virtio: use %llu format string form atomic64_t MAINTAINERS: Add myself as maintainer for the gma500 driver MAINTAINERS: add a maintainer for the atmel-hlcdc DRM driver drm/amdgpu: Keep the pflip interrupts always enabled v7 drm/amdgpu: adjust default dispclk (v2) drm/dp/mst: make mst i2c transfer code more robust. drm/radeon: attach tile property to mst connector drm/vmwgfx: Fix kernel NULL pointer dereference on older hardware 16 October 2015, 19:19:11 UTC
ebb65c8 Linus Torvalds 16 October 2015, 19:07:43 UTC Merge tag 'powerpc-4.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Re-enable CONFIG_SCSI_DH in our defconfigs - Remove unused os_area_db_id_video_mode - cxl: fix leak of IRQ names in cxl_free_afu_irqs() from Andrew - cxl: fix leak of ctx->irq_bitmap when releasing context via kernel API from Andrew - cxl: fix leak of ctx->mapping when releasing kernel API contexts from Andrew - cxl: Workaround malformed pcie packets on some cards from Philippe - cxl: Fix number of allocated pages in SPA from Christophe Lombard - Fix checkstop in native_hpte_clear() with lockdep from Cyril - Panic on unhandled Machine Check on powernv from Daniel - selftests/powerpc: Fix build failure of load_unaligned_zeropad test * tag 'powerpc-4.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: selftests/powerpc: Fix build failure of load_unaligned_zeropad test powerpc/powernv: Panic on unhandled Machine Check powerpc: Fix checkstop in native_hpte_clear() with lockdep cxl: Fix number of allocated pages in SPA cxl: Workaround malformed pcie packets on some cards cxl: fix leak of ctx->mapping when releasing kernel API contexts cxl: fix leak of ctx->irq_bitmap when releasing context via kernel API cxl: fix leak of IRQ names in cxl_free_afu_irqs() powerpc/ps3: Remove unused os_area_db_id_video_mode powerpc/configs: Re-enable CONFIG_SCSI_DH 16 October 2015, 19:07:43 UTC
3d87518 Linus Torvalds 16 October 2015, 18:42:37 UTC Merge branch 'akpm' (patches from Andrew) Merge misc fixes from Andrew Morton: "6 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: sh: add copy_user_page() alias for __copy_user() lib/Kconfig: ZLIB_DEFLATE must select BITREVERSE mm, dax: fix DAX deadlocks memcg: convert threshold to bytes builddeb: remove debian/files before build mm, fs: obey gfp_mapping for add_to_page_cache() 16 October 2015, 18:42:37 UTC
934ed25 Ross Zwisler 15 October 2015, 22:28:38 UTC sh: add copy_user_page() alias for __copy_user() copy_user_page() is needed by DAX. Without this we get a compile error for DAX on SH: fs/dax.c:280:2: error: implicit declaration of function `copy_user_page' [-Werror=implicit-function-declaration] copy_user_page(vto, (void __force *)vfrom, vaddr, to); ^ This was done with a random config that happened to include DAX support. This patch has only been compile tested. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Matthew Wilcox <willy@linux.intel.com> Cc: Matt Fleming <matt@codeblueprint.co.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 16 October 2015, 18:42:28 UTC
1fd4e5c Andrew Morton 15 October 2015, 22:28:35 UTC lib/Kconfig: ZLIB_DEFLATE must select BITREVERSE lib/built-in.o: In function `__bitrev32': deftree.c:(.text+0x1e799): undefined reference to `byte_rev_table' deftree.c:(.text+0x1e7a0): undefined reference to `byte_rev_table' deftree.c:(.text+0x1e7b4): undefined reference to `byte_rev_table' deftree.c:(.text+0x1e7c1): undefined reference to `byte_rev_table' Anything which uses bitrevX() has to select BITREVERSE, to grab lib/bitrev.o. Reported-by: Jim Davis <jim.epost@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 16 October 2015, 18:42:28 UTC
0f90cc6 Ross Zwisler 15 October 2015, 22:28:32 UTC mm, dax: fix DAX deadlocks The following two locking commits in the DAX code: commit 843172978bb9 ("dax: fix race between simultaneous faults") commit 46c043ede471 ("mm: take i_mmap_lock in unmap_mapping_range() for DAX") introduced a number of deadlocks and other issues which need to be fixed for the v4.3 kernel. The list of issues in DAX after these commits (some newly introduced by the commits, some preexisting) can be found here: https://lkml.org/lkml/2015/9/25/602 (Subject: "Re: [PATCH] dax: fix deadlock in __dax_fault"). This undoes most of the changes introduced by those two commits, essentially returning us to the DAX locking scheme that was used in v4.2. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Dan Williams <dan.j.williams@intel.com> Tested-by: Dave Chinner <dchinner@redhat.com> Cc: Jan Kara <jack@suse.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Matthew Wilcox <matthew.r.wilcox@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 16 October 2015, 18:42:28 UTC
424cdc1 Shaohua Li 15 October 2015, 22:28:29 UTC memcg: convert threshold to bytes page_counter_memparse() returns pages for the threshold, while mem_cgroup_usage() returns bytes for memory usage. Convert the threshold to bytes. Fixes: 3e32cb2e0a12b6915 ("memcg: rename cgroup_event to mem_cgroup_event"). Signed-off-by: Shaohua Li <shli@fb.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Michal Hocko <mhocko@suse.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 16 October 2015, 18:42:28 UTC
8d740a3 Riku Voipio 15 October 2015, 22:28:26 UTC builddeb: remove debian/files before build Commit 3716001bcb7f ("deb-pkg: add source package") added the ability to create a debian changelog file. This exposed that previously the builddeb script hasn't cleared debian/files between builds. As debian/files keeps accumulating entries, the changes file will end up growing indefinelty. With outdated entries in debian/files, builddeb script will exit with failure. This regression impacts those who use "make deb-pkg" target to build kernel into a .deb package and never use "make mrproper" or other means to clean kernel tree from generated directories. To fix the regression, remove debian/files before starting build and in the generated clean rule. Fixes: 3716001bcb7f ("deb-pkg: add source package") Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Reported-by: Doug Smythies <dsmythies@telus.net> Tested-by: Doug Smythies <dsmythies@telus.net> Tested-by: Kalle Valo <kvalo@codeaurora.org> Acked-by: Ben Hutchings <ben@decadent.org.uk> Cc: Michal Marek <mmarek@suse.cz> Cc: maximilian attems <maks@stro.at> Cc: Chris J Arges <chris.j.arges@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 16 October 2015, 18:42:28 UTC
063d99b Michal Hocko 15 October 2015, 22:28:24 UTC mm, fs: obey gfp_mapping for add_to_page_cache() Commit 6afdb859b710 ("mm: do not ignore mapping_gfp_mask in page cache allocation paths") has caught some users of hardcoded GFP_KERNEL used in the page cache allocation paths. This, however, wasn't complete and there were others which went unnoticed. Dave Chinner has reported the following deadlock for xfs on loop device: : With the recent merge of the loop device changes, I'm now seeing : XFS deadlock on my single CPU, 1GB RAM VM running xfs/073. : : The deadlocked is as follows: : : kloopd1: loop_queue_read_work : xfs_file_iter_read : lock XFS inode XFS_IOLOCK_SHARED (on image file) : page cache read (GFP_KERNEL) : radix tree alloc : memory reclaim : reclaim XFS inodes : log force to unpin inodes : <wait for log IO completion> : : xfs-cil/loop1: <does log force IO work> : xlog_cil_push : xlog_write : <loop issuing log writes> : xlog_state_get_iclog_space() : <blocks due to all log buffers under write io> : <waits for IO completion> : : kloopd1: loop_queue_write_work : xfs_file_write_iter : lock XFS inode XFS_IOLOCK_EXCL (on image file) : <wait for inode to be unlocked> : : i.e. the kloopd, with it's split read and write work queues, has : introduced a dependency through memory reclaim. i.e. that writes : need to be able to progress for reads make progress. : : The problem, fundamentally, is that mpage_readpages() does a : GFP_KERNEL allocation, rather than paying attention to the inode's : mapping gfp mask, which is set to GFP_NOFS. : : The didn't used to happen, because the loop device used to issue : reads through the splice path and that does: : : error = add_to_page_cache_lru(page, mapping, index, : GFP_KERNEL & mapping_gfp_mask(mapping)); This has changed by commit aa4d86163e4 ("block: loop: switch to VFS ITER_BVEC"). This patch changes mpage_readpage{s} to follow gfp mask set for the mapping. There are, however, other places which are doing basically the same. lustre:ll_dir_filler is doing GFP_KERNEL from the function which apparently uses GFP_NOFS for other allocations so let's make this consistent. cifs:readpages_get_pages is called from cifs_readpages and __cifs_readpages_from_fscache called from the same path obeys mapping gfp. ramfs_nommu_expand_for_mapping is hardcoding GFP_KERNEL as well regardless it uses mapping_gfp_mask for the page allocation. ext4_mpage_readpages is the called from the page cache allocation path same as read_pages and read_cache_pages As I've noticed in my previous post I cannot say I would be happy about sprinkling mapping_gfp_mask all over the place and it sounds like we should drop gfp_mask argument altogether and use it internally in __add_to_page_cache_locked that would require all the filesystems to use mapping gfp consistently which I am not sure is the case here. From a quick glance it seems that some file system use it all the time while others are selective. Signed-off-by: Michal Hocko <mhocko@suse.com> Reported-by: Dave Chinner <david@fromorbit.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Ming Lei <ming.lei@canonical.com> Cc: Andreas Dilger <andreas.dilger@intel.com> Cc: Oleg Drokin <oleg.drokin@intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 16 October 2015, 18:42:28 UTC
e30b757 Ilya Dryomov 07 October 2015, 15:27:17 UTC rbd: use writefull op for object size writes This covers only the simplest case - an object size sized write, but it's still useful in tiering setups when EC is used for the base tier as writefull op can be proxied, saving an object promotion. Even though updating ceph_osdc_new_request() to allow writefull should just be a matter of fixing an assert, I didn't do it because its only user is cephfs. All other sites were updated. Reflects ceph.git commit 7bfb7f9025a8ee0d2305f49bf0336d2424da5b5b. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Alex Elder <elder@linaro.org> 16 October 2015, 14:49:01 UTC
0d9fde4 Ilya Dryomov 07 October 2015, 14:09:35 UTC rbd: set max_sectors explicitly Commit 30e2bc08b2bb ("Revert "block: remove artifical max_hw_sectors cap"") restored a clamp on max_sectors. It's now 2560 sectors instead of 1024, but it's not good enough: we set max_hw_sectors to rbd object size because we don't want object sized I/Os to be split, and the default object size is 4M. So, set max_sectors to max_hw_sectors in rbd at queue init time. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Alex Elder <elder@linaro.org> 16 October 2015, 14:48:36 UTC
56fd16c Thomas Gleixner 16 October 2015, 13:50:22 UTC timekeeping: Increment clock_was_set_seq in timekeeping_init() timekeeping_init() can set the wall time offset, so we need to increment the clock_was_set_seq counter. That way hrtimers will pick up the early offset immediately. Otherwise on a machine which does not set wall time later in the boot process the hrtimer offset is stale at 0 and wall time timers are going to expire with a delay of 45 years. Fixes: 868a3e915f7f "hrtimer: Make offset update smarter" Reported-and-tested-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Stefan Liebler <stli@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: John Stultz <john.stultz@linaro.org> 16 October 2015, 13:50:22 UTC
fa54823 Rafael J. Wysocki 16 October 2015, 12:32:27 UTC Merge branches 'acpica', 'pm-domains' and 'pm-cpufreq' * acpica: ACPICA: Tables: Fix FADT dependency regression * pm-domains: PM / Domains: Fix validation of latency constraints in genpd governor * pm-cpufreq: cpufreq: intel_pstate: Fix divide by zero on Knights Landing (KNL) 16 October 2015, 12:32:27 UTC
0701c53 Marc Zyngier 13 October 2015, 18:14:45 UTC genirq/msi: Do not use pci_msi_[un]mask_irq as default methods When we create a generic MSI domain, that MSI_FLAG_USE_DEF_CHIP_OPS is set, and that any of .mask or .unmask are NULL in the irq_chip structure, we set them to pci_msi_[un]mask_irq. This is a bad idea for at least two reasons: - PCI_MSI might not be selected, kernel fails to build (yes, this is legitimate, at least on arm64!) - This may not be a PCI/MSI domain at all (platform MSI, for example) Either way, this looks wrong. Move the overriding of mask/unmask to the PCI counterpart, and panic is any of these two methods is not set in the core code (they really should be present). Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Link: http://lkml.kernel.org/r/1444760085-27857-1-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 16 October 2015, 10:40:43 UTC
d549f54 Arnd Bergmann 07 October 2015, 10:41:21 UTC drm/virtio: use %llu format string form atomic64_t The virtgpu driver prints the last_seq variable using the %ld or %lu format string, which does not work correctly on all architectures and causes this compiler warning on ARM: drivers/gpu/drm/virtio/virtgpu_fence.c: In function 'virtio_timeline_value_str': drivers/gpu/drm/virtio/virtgpu_fence.c:64:22: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'long long int' [-Wformat=] snprintf(str, size, "%lu", atomic64_read(&fence->drv->last_seq)); ^ drivers/gpu/drm/virtio/virtgpu_debugfs.c: In function 'virtio_gpu_debugfs_irq_info': drivers/gpu/drm/virtio/virtgpu_debugfs.c:37:16: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'long long int' [-Wformat=] seq_printf(m, "fence %ld %lld\n", ^ In order to avoid the warnings, this changes the format strings to %llu and adds a cast to u64, which makes it work the same way everywhere. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Dave Airlie <airlied@redhat.com> 16 October 2015, 01:36:36 UTC
ba2199a Patrik Jakobsson 12 October 2015, 21:14:44 UTC MAINTAINERS: Add myself as maintainer for the gma500 driver Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> 16 October 2015, 01:31:17 UTC
99763bb Boris BREZILLON 13 October 2015, 09:55:42 UTC MAINTAINERS: add a maintainer for the atmel-hlcdc DRM driver Add myself as the maintainer of the atmel-hlcdc DRM driver. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Dave Airlie <airlied@redhat.com> 16 October 2015, 01:30:18 UTC
57606c7 Dave Airlie 16 October 2015, 00:01:24 UTC Merge branch 'drm-fixes-4.3' of git://people.freedesktop.org/~agd5f/linux into drm-fixes Just two fixes for amdgpu: - fix pageflip interrupt issue - fix display clock handling on certain fiji boards * 'drm-fixes-4.3' of git://people.freedesktop.org/~agd5f/linux: drm/amdgpu: Keep the pflip interrupts always enabled v7 drm/amdgpu: adjust default dispclk (v2) 16 October 2015, 00:01:24 UTC
b2293cb Dave Airlie 15 October 2015, 22:10:21 UTC Merge tag 'vmwgfx-fixes-4.3-151014' of git://people.freedesktop.org/~thomash/linux into drm-fixes Pull request of 2015-10-14 * tag 'vmwgfx-fixes-4.3-151014' of git://people.freedesktop.org/~thomash/linux: drm/vmwgfx: Fix kernel NULL pointer dereference on older hardware 15 October 2015, 22:10:21 UTC
69984b6 Linus Torvalds 15 October 2015, 21:03:38 UTC Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "Here are a few more arm64 fixes for 4.3. Again, nothing too significant, but worth having nonetheless. The MINSIGSTKSZ update is a bit grotty, but the value we currently have is wrong (too small), so anybody using that will have issues already. It has Arnd's ack for the asm-generic change. Summary: - Fix module CFLAGS setting in workaround for erratum #843419 - Update MINSIGSTKSZ and SIGSTKSZ to match glibc - Wire up some new compat syscalls" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: compat: wire up new syscalls arm64: Fix MINSIGSTKSZ and SIGSTKSZ arm64: errata: use KBUILD_CFLAGS_MODULE for erratum #843419 15 October 2015, 21:03:38 UTC
3155823 Linus Torvalds 15 October 2015, 20:58:22 UTC Merge tag 'pinctrl-v4.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pinctrl fixes from Linus Walleij: "Here are some overdue (what can I say, I was on a short vacation) driver fixes for the pin control subsystem: - Allwinner sun5i A10s had a faulty mapping - Freescale i.MX25 had some bad arithmetics - Uniphier PH1-sLD8 missed some input enable settings" * tag 'pinctrl-v4.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: uniphier: fix input enable settings for PH1-sLD8 pinctrl: imx25: ensure that a pin with id i is at position i in the info array pinctrl: sun5i: Fix a10s pwm1 pinctrl mapping 15 October 2015, 20:58:22 UTC
8e601a9 Srinivas Pandruvada 15 October 2015, 19:34:21 UTC cpufreq: intel_pstate: Fix divide by zero on Knights Landing (KNL) This is a workaround for KNL platform, where in some cases MPERF counter will not have updated value before next read of MSR_IA32_MPERF. In this case divide by zero will occur. This change ignores current sample for busy calculation in this case. Fixes: b34ef932d79a (intel_pstate: Knights Landing support) Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Acked-by: Kristen Carlson Accardi <kristen@linux.intel.com> Cc: 4.1+ <stable@vger.kernel.org> # 4.1+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 15 October 2015, 20:46:33 UTC
58bd6e0 Linus Torvalds 15 October 2015, 20:44:35 UTC Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull rdma updates from Doug Ledford: "We have four batched up patches for the current rc kernel. Two of them are small fixes that are obvious. One of them is larger than I would like for a late stage rc pull, but we found an issue in the namespace lookup code related to RoCE and this works around the issue for now (we allow a lookup with a namespace to succeed on RoCE since RoCE namespaces aren't implemented yet). This will go away in 4.4 when we put in support for namespaces in RoCE devices. The last one is large in terms of lines, but is all legal and no functional changes. Cisco needed to update their files to be more specific about their license. They had intended the files to be dual licensed as GPL/BSD all along, and specified that in their module license tag, but their file headers were not up to par. They contacted all of the contributors to get agreement and then submitted a patch to update the license headers in the files. Summary: - Work around connection namespace lookup bug related to RoCE - Change usnic license to Dual GPL/BSD (was intended to be that way all along, but wasn't clear, permission from contributors was chased down) - Fix an issue between NFSoRDMA and mlx5 that could cause an oops - Fix leak of sendonly multicast groups" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: IB/ipoib: For sendonly join free the multicast group on leave IB/cma: Accept connection without a valid netdev on RoCE xprtrdma: Don't require LOCAL_DMA_LKEY support for fastreg usnic: add missing clauses to BSD license 15 October 2015, 20:44:35 UTC
c7823b6 Linus Torvalds 15 October 2015, 20:31:00 UTC Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull ext4 Kconfig description fixup from Jan Kara: "A small fixup in description of EXT4_USE_FOR_EXT2 config option" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: ext4: Update EXT4_USE_FOR_EXT2 description 15 October 2015, 20:31:00 UTC
176bed1 Linus Torvalds 15 October 2015, 20:01:50 UTC vmstat: explicitly schedule per-cpu work on the CPU we need it to run on The vmstat code uses "schedule_delayed_work_on()" to do the initial startup of the delayed work on the right CPU, but then once it was started it would use the non-cpu-specific "schedule_delayed_work()" to re-schedule it on that CPU. That just happened to schedule it on the same CPU historically (well, in almost all situations), but the code _requires_ this work to be per-cpu, and should say so explicitly rather than depend on the non-cpu-specific scheduling to schedule on the current CPU. The timer code is being changed to not be as single-minded in always running things on the calling CPU. See also commit 874bbfe600a6 ("workqueue: make sure delayed work run in local cpu") that for now maintains the local CPU guarantees just in case there are other broken users that depended on the accidental behavior. Cc: Christoph Lameter <cl@linux.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 15 October 2015, 20:01:50 UTC
995e2fe Linus Torvalds 15 October 2015, 19:58:37 UTC Merge branch 'for-4.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue fixlet from Tejun Heo: "Single patch to make delayed work always be queued on the local CPU" This is not actually something we should guarantee, but it's something we by accident have historically done, and at least one call site has grown to depend on it. I'm going to fix that known broken callsite, but in the meantime this makes the accidental behavior be explicit, just in case there are other cases that might depend on it. * 'for-4.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: make sure delayed work run in local cpu 15 October 2015, 19:58:37 UTC
fc531d9 Wolfram Sang 15 October 2015, 13:50:15 UTC MAINTAINERS: add maintainers for Synopsis Designware I2C drivers Those guys already have been helpful in the past and are actively working on this driver, unlike me. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> 15 October 2015, 16:36:15 UTC
f6c7aba Michel Dänzer 08 October 2015, 08:48:04 UTC drm/amdgpu: Keep the pflip interrupts always enabled v7 This fixes flickering issues caused by prematurely firing pflip interrupts. v2 (chk): add commit message, fix DCE V10/V11 and DM as well v3: Re-enable pflip interrupt wherever we re-enable a CRTC v4: Enable pflip interrupt in DAL as well v5: drop DAL changes for upstream v6: (agd): only enable interrupts on crtcs that exist v7: (agd): integrate suggestions from Michel Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org 15 October 2015, 14:04:50 UTC
80c083c Alex Deucher 12 October 2015, 14:38:02 UTC drm/amdgpu: adjust default dispclk (v2) Set the default to 600Mhz if it's not set in the bios, and bump the default to 600Mhz if it's lower than that. Port of radeon commit: 9368931db826d57b6b88b3145a00276626b48df0 v2: clean up the code a bit bug: https://bugs.freedesktop.org/show_bug.cgi?id=91896 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 15 October 2015, 14:04:13 UTC
36d48fb Wolfram Sang 09 October 2015, 09:39:24 UTC i2c: designware-platdrv: enable RuntimePM before registering to the core The core may register clients attached to this master which may use funtionality from the master. So, RuntimePM must be enabled before, otherwise this will fail. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: stable@kernel.org 15 October 2015, 12:28:07 UTC
eadd709 Wolfram Sang 10 October 2015, 07:24:23 UTC i2c: s3c2410: enable RuntimePM before registering to the core The core may register clients attached to this master which may use funtionality from the master. So, RuntimePM must be enabled before, otherwise this will fail. While here, move drvdata, too. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Kukjin Kim <kgene@kernel.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org 15 October 2015, 12:26:07 UTC
4f7effd Wolfram Sang 09 October 2015, 09:39:25 UTC i2c: rcar: enable RuntimePM before registering to the core The core may register clients attached to this master which may use funtionality from the master. So, RuntimePM must be enabled before, otherwise this will fail. While here, move drvdata, too. Reported-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org 15 October 2015, 12:25:56 UTC
74cedd3 Kieran Bingham 12 October 2015, 20:54:43 UTC i2c: return probe deferred status on dev_pm_domain_attach A change of return status was introduced in commit 3fffd1283927 ("i2c: allow specifying separate wakeup interrupt in device tree") The commit prevents the defer status being passed up the call stack appropriately when dev_pm_domain_attach returns -EPROBE_DEFER. Catch the PROBE_DEFER and clear up the IRQ wakeup status Signed-off-by: Kieran Bingham <kieranbingham@gmail.com> Fixes: 3fffd1283927 ("i2c: allow specifying separate wakeup interrupt in device tree") Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> 15 October 2015, 11:35:32 UTC
ae49154 Dave Airlie 14 October 2015, 08:51:17 UTC drm/dp/mst: make mst i2c transfer code more robust. This zeroes the msg so no random stack data ends up getting sent, it also limits the function to not accepting > 4 i2c msgs. Cc: stable@vger.kernel.org Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com> 14 October 2015, 23:06:20 UTC
bc8c131 Dave Airlie 14 October 2015, 23:04:21 UTC drm/radeon: attach tile property to mst connector This allows tiled monitors to work with radeon once mst is enabled. Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com> 14 October 2015, 23:05:17 UTC
62fcce9 Lv Zheng 14 October 2015, 05:53:57 UTC ACPICA: Tables: Fix FADT dependency regression Some logics actually relying on the existence of FADT, currently relies on the number of loaded tables. This false dependency can easily trigger regressions. One of them has been introduced by commit 8ec3f459073e (ACPICA: Tables: Fix global table list issues by removing fixed table). The commit changing the fixed table indexes results in the change of FADT table index, originally, it was 3 (thus the installed table count should be greater than 4), while currently it is 0 (and the installed table count may be 3). This patch fixes this regression by cleaning up the code. Lv Zheng. Link: https://bugzilla.kernel.org/show_bug.cgi?id=105351 Fixes: 8ec3f459073e (ACPICA: Tables: Fix global table list issues by removing fixed table) Reported-and-tested-by: Meelis Roos <mroos@linux.ee> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 14 October 2015, 20:48:13 UTC
e79b202 Stephen Boyd 14 October 2015, 18:23:09 UTC Partially revert "clk: mvebu: Convert to clk_hw based provider APIs" This partially reverts commit eca61c9ff2588e1df373e61078e1874976315839. Thomas reports that it causes regressions on Armada XP devices. This is because of_clk_get_parent_name() relies on the property 'clock-output-names' to resolve the name of a clock's parent, without trying to get the clock from the framework and call __clk_get_name(). Given that Armada XP devices don't have the 'clock-output-names' property, of_clk_get_parent_name() returns the name of the node which doesn't match the actual parent clock's name at all, causing CPU clocks to never link up with their parents. Reported-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> 14 October 2015, 18:28:17 UTC
cfed1e3 Linus Torvalds 14 October 2015, 17:01:32 UTC Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull KVM fixes from Paolo Bonzini: "Bug fixes for system management mode emulation. The first two patches fix SMM emulation on Nehalem processors. The others fix some cases that became apparent as work progressed on the firmware side" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: fix RSM into 64-bit protected mode KVM: x86: fix previous commit for 32-bit KVM: x86: fix SMI to halted VCPU KVM: x86: clean up kvm_arch_vcpu_runnable KVM: x86: map/unmap private slots in __x86_set_memory_region KVM: x86: build kvm_userspace_memory_region in x86_set_memory_region 14 October 2015, 17:01:32 UTC
9e07f98 Linus Torvalds 14 October 2015, 16:47:38 UTC Merge tag 'mfd-fixes-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD fixes from Lee Jones: "Bug Fixes: - Return correct error code i.e. not zero - Fix build error when !CONFIG_PM_SLEEP" * tag 'mfd-fixes-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: mfd: max77843: Fix max77843_chg_init() return on error mfd: intel-lpss: Fix build error when !CONFIG_PM_SLEEP 14 October 2015, 16:47:38 UTC
b10d92a Paolo Bonzini 14 October 2015, 13:25:52 UTC KVM: x86: fix RSM into 64-bit protected mode In order to get into 64-bit protected mode, you need to enable paging while EFER.LMA=1. For this to work, CS.L must be 0. Currently, we load the segments before CR0 and CR4, which means that if RSM returns into 64-bit protected mode CS.L is already 1 and everything breaks. Luckily, CS.L=0 is always the case when executing RSM, because it is forbidden to execute RSM from 64-bit protected mode. Hence it is enough to load CR0 and CR4 first, and only then the segments. Fixes: 660a5d517aaab9187f93854425c4c63f4a09195c Cc: stable@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> 14 October 2015, 14:39:52 UTC
25188b9 Paolo Bonzini 14 October 2015, 13:51:08 UTC KVM: x86: fix previous commit for 32-bit Unfortunately I only noticed this after pushing. Fixes: f0d648bdf0a5bbc91da6099d5282f77996558ea4 Cc: stable@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> 14 October 2015, 14:39:25 UTC
eb93ce2 Will Deacon 14 October 2015, 12:20:36 UTC arm64: compat: wire up new syscalls Commit 208473c1f3ac ("ARM: wire up new syscalls") hooked up the new userfaultfd and membarrier syscalls for ARM, so do the same for our compat syscall table in arm64. Signed-off-by: Will Deacon <will.deacon@arm.com> 14 October 2015, 12:51:41 UTC
a487c03 Dudley Du 12 October 2015, 17:16:16 UTC Input: cyapa - fix the copy paste error on electrodes_rx value Fix the copy paste error on the electrodes_rx value set code which will cause the electrodes_rx value be always set to the value of electrodes_y. Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by: Dudley Du <dudl@cypress.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> 14 October 2015, 06:29:52 UTC
dc6c5fb Chris Mason 13 October 2015, 18:06:48 UTC btrfs: fix use after free iterating extrefs The code for btrfs inode-resolve has never worked properly for files with enough hard links to trigger extrefs. It was trying to get the leaf out of a path after freeing the path: btrfs_release_path(path); leaf = path->nodes[0]; item_size = btrfs_item_size_nr(leaf, slot); The fix here is to use the extent buffer we cloned just a little higher up to avoid deadlocks caused by using the leaf in the path. Signed-off-by: Chris Mason <clm@fb.com> cc: stable@vger.kernel.org # v3.7+ cc: Mark Fasheh <mfasheh@suse.de> Reviewed-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: Mark Fasheh <mfasheh@suse.de> 14 October 2015, 01:54:44 UTC
8eb9345 David Sterba 12 October 2015, 14:55:54 UTC btrfs: check unsupported filters in balance arguments We don't verify that all the balance filter arguments supplemented by the flags are actually known to the kernel. Thus we let it silently pass and do nothing. At the moment this means only the 'limit' filter, but we're going to add a few more soon so it's better to have that fixed. Also in older stable kernels so that it works with newer userspace tools. Cc: stable@vger.kernel.org # 3.16+ Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Chris Mason <clm@fb.com> 14 October 2015, 01:53:03 UTC
a98f1b7 Ulf Hansson 13 October 2015, 14:10:28 UTC PM / Domains: Fix validation of latency constraints in genpd governor Commit ba2bbfbf6307 (PM / Domains: Remove intermediate states from the power off sequence) changed the power off sequence in genpd. That also required some updates regarding the validation of latency constraints in the genpd governor. Unfortunate that wasn't covered, so let's fix this. From a runtime PM and latency point of view, we need to consider the worst case scenario while validating latency constraints. That's typically when a call to pm_runtime_get_sync() needs to wait for a ongoing runtime suspend operation to be carried out, as it then also needs to wait for the device to be runtime resumed again. The above mentioned commit made the genpd governor's ->stop_ok() callback responsible of validating genpd's device's runtime suspend/resume latency. In other words, the constraint needs to be validated towards the relevant latencies present in genpd's ->runtime_suspend|resume() callbacks. Earlier, that included latencies from the ->stop|start() callbacks, but as ->save|restore_state() are now also being invoked from genpd's ->runtime_suspend|resume() and to comply with the worst case scenario, let's take also those latencies into account. Fixes: ba2bbfbf6307 (PM / Domains: Remove intermediate states from the power off sequence) Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 14 October 2015, 00:34:43 UTC
0b5c927 Christoph Lameter 11 October 2015, 23:49:42 UTC IB/ipoib: For sendonly join free the multicast group on leave When we leave the multicast group on expiration of a neighbor we do not free the mcast structure. This results in a memory leak that causes ib_dealloc_pd to fail and print a WARN_ON message and backtrace. Fixes: bd99b2e05c4d (IB/ipoib: Expire sendonly multicast joins) Signed-off-by: Christoph Lameter <cl@linux.com> Tested-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com> 13 October 2015, 20:43:59 UTC
5b5f145 Linus Torvalds 13 October 2015, 18:31:03 UTC Merge tag 'nfsd-4.3-2' of git://linux-nfs.org/~bfields/linux Pull nfsd fixes from Bruce Fields: "Two nfsd fixes, one for an RDMA crash, one for a pnfs/block protocol bug" * tag 'nfsd-4.3-2' of git://linux-nfs.org/~bfields/linux: svcrdma: Fix NFS server crash triggered by 1MB NFS WRITE nfsd/blocklayout: accept any minlength 13 October 2015, 18:31:03 UTC
6006d45 Linus Torvalds 13 October 2015, 17:18:54 UTC Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fixes from Herbert Xu: "This fixes the following issues: - Fix AVX detection to prevent use of non-existent AESNI. - Some SPARC ciphers did not set their IV size which may lead to memory corruption" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: ahash - ensure statesize is non-zero crypto: camellia_aesni_avx - Fix CPU feature checks crypto: sparc - initialize blkcipher.ivsize 13 October 2015, 17:18:54 UTC
7554225 Linus Torvalds 13 October 2015, 17:09:59 UTC Merge tag 'iommu-fixes-v4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU fixes from Joerg Roedel: "A few fixes piled up: - Fix for a suspend/resume issue where PCI probing code overwrote dev->irq for the MSI irq of the AMD IOMMU. - Fix for a kernel crash when a 32 bit PCI device was assigned to a KVM guest. - Fix for a possible memory leak in the VT-d driver - A couple of fixes for the ARM-SMMU driver" * tag 'iommu-fixes-v4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/amd: Fix NULL pointer deref on device detach iommu/amd: Prevent binding other PCI drivers to IOMMU PCI devices iommu/vt-d: Fix memory leak in dmar_insert_one_dev_info() iommu/arm-smmu: Use correct address mask for CMD_TLBI_S2_IPA iommu/arm-smmu: Ensure IAS is set correctly for AArch32-capable SMMUs iommu/io-pgtable-arm: Don't use dma_to_phys() 13 October 2015, 17:09:59 UTC
06d1ee3 Linus Torvalds 13 October 2015, 16:45:21 UTC Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "I got a bit behind last week, so here is a delayed fixes pull: - a bunch of radeon/amd gpu fixes - some nouveau regression fixes (ppc bios reading and runtime pm fix) - one drm core oops fix - two qxl locking fixes - one qxl regression fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/nouveau/bios: fix OF loading drm/nouveau/fbcon: take runpm reference when userspace has an open fd drm/nouveau/nouveau: Disable AGP for SiS 761 drm/nouveau/display: allow up to 16k width/height for fermi+ drm/nouveau/bios: translate devinit pri/sec i2c bus to internal identifiers drm: Fix locking for sysfs dpms file drm/amdgpu: fix memory leak in amdgpu_vm_update_page_directory drm/amdgpu: fix 32-bit compiler warning drm/qxl: avoid dependency lock drm/qxl: avoid buffer reservation in qxl_crtc_page_flip drm/qxl: fix framebuffer dirty rectangle tracking. drm/amdgpu: flag iceland as experimental drm/amdgpu: check before checking pci bridge registers drm/amdgpu: fix num_crtc on CZ drm/amdgpu: restore the fbdev mode in lastclose drm/radeon: restore the fbdev mode in lastclose drm/radeon: add quirk for ASUS R7 370 drm/amdgpu: add pm sysfs files late drm/radeon: add pm sysfs files late 13 October 2015, 16:45:21 UTC
7391773 Paolo Bonzini 13 October 2015, 08:19:35 UTC KVM: x86: fix SMI to halted VCPU An SMI to a halted VCPU must wake it up, hence a VCPU with a pending SMI must be considered runnable. Fixes: 64d6067057d9658acb8675afcfba549abdb7fc16 Cc: stable@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> 13 October 2015, 16:29:41 UTC
5d9bc64 Paolo Bonzini 13 October 2015, 08:18:53 UTC KVM: x86: clean up kvm_arch_vcpu_runnable Split the huge conditional in two functions. Fixes: 64d6067057d9658acb8675afcfba549abdb7fc16 Cc: stable@vger.kernel.org Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> 13 October 2015, 16:28:59 UTC
f0d648b Paolo Bonzini 12 October 2015, 11:56:27 UTC KVM: x86: map/unmap private slots in __x86_set_memory_region Otherwise, two copies (one of them never populated and thus bogus) are allocated for the regular and SMM address spaces. This breaks SMM with EPT but without unrestricted guest support, because the SMM copy of the identity page map is all zeros. By moving the allocation to the caller we also remove the last vestiges of kernel-allocated memory regions (not accessible anymore in userspace since commit b74a07beed0e, "KVM: Remove kernel-allocated memory regions", 2010-06-21); that is a nice bonus. Reported-by: Alexandre DERUMIER <aderumier@odiso.com> Cc: stable@vger.kernel.org Fixes: 9da0e4d5ac969909f6b435ce28ea28135a9cbd69 Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> 13 October 2015, 16:28:58 UTC
1d8007b Paolo Bonzini 12 October 2015, 11:38:32 UTC KVM: x86: build kvm_userspace_memory_region in x86_set_memory_region The next patch will make x86_set_memory_region fill the userspace_addr. Since the struct is not used untouched anymore, it makes sense to build it in x86_set_memory_region directly; it also simplifies the callers. Reported-by: Alexandre DERUMIER <aderumier@odiso.com> Cc: stable@vger.kernel.org Fixes: 9da0e4d5ac969909f6b435ce28ea28135a9cbd69 Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> 13 October 2015, 16:28:46 UTC
ba30670 Mike Snitzer 13 October 2015, 16:04:28 UTC dm thin: fix missing pool reference count decrement in pool_ctr error path Fixes: ac8c3f3df ("dm thin: generate event when metadata threshold passed") Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org # 3.10+ 13 October 2015, 16:20:55 UTC
a2a678e Sudip Mukherjee 13 October 2015, 08:03:08 UTC dm snapshot persistent: fix missing cleanup in persistent_ctr error path If an unsupported option is given then the early return from persistent_ctr() leaked memory allocated for the 'pstore' and never destroyed the 'metadata_wq'. Fixes: b0d3cc011e53 ("dm snapshot: add new persistent store option to support overflow") Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Mike Snitzer <snitzer@redhat.com> 13 October 2015, 16:20:54 UTC
8996eaf Russell King 09 October 2015, 19:43:33 UTC crypto: ahash - ensure statesize is non-zero Unlike shash algorithms, ahash drivers must implement export and import as their descriptors may contain hardware state and cannot be exported as is. Unfortunately some ahash drivers did not provide them and end up causing crashes with algif_hash. This patch adds a check to prevent these drivers from registering ahash algorithms until they are fixed. Cc: stable@vger.kernel.org Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 13 October 2015, 14:28:10 UTC
ed7d78b Thomas Hellstrom 12 October 2015, 08:49:39 UTC drm/vmwgfx: Fix kernel NULL pointer dereference on older hardware The commit "drm/vmwgfx: Fix up user_dmabuf refcounting", while fixing a kernel crash introduced a NULL pointer dereference on older hardware. Fix this. Cc: <stable@vger.kernel.org> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com> 13 October 2015, 07:16:48 UTC
abb39bc Michael Ellerman 12 October 2015, 04:28:57 UTC selftests/powerpc: Fix build failure of load_unaligned_zeropad test Commit 7a5692e6e533 ("arch/powerpc: provide zero_bytemask() for big-endian") added a call to __fls() in our word-at-a-time.h. That was fine for the kernel build but missed the fact that we also use word-at-a-time.h in a userspace test. Pulling in the kernel version of __fls() gets messy, so just define our own, it's unlikely to change often. Fixes: 7a5692e6e533 ("arch/powerpc: provide zero_bytemask() for big-endian") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> 13 October 2015, 04:08:37 UTC
c969265 Manjeet Pawar 09 October 2015, 10:29:40 UTC arm64: Fix MINSIGSTKSZ and SIGSTKSZ MINSIGSTKSZ and SIGSTKSZ for ARM64 are not correctly set in latest kernel. This patch fixes this issue. This issue is reported in LTP (testcase: sigaltstack02.c). Testcase failed when sigaltstack() called with stack size "MINSIGSTKSZ - 1" Since in Glibc-2.22, MINSIGSTKSZ is set to 5120 but in kernel it is set to 2048 so testcase gets failed. Testcase Output: sigaltstack02 1 TPASS : stgaltstack() fails, Invalid Flag value,errno:22 sigaltstack02 2 TFAIL : sigaltstack() returned 0, expected -1,errno:12 Reported Issue in Glibc Bugzilla: Bugfix in Glibc-2.22: [Bug 16850] https://sourceware.org/bugzilla/show_bug.cgi?id=16850 Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Akhilesh Kumar <akhilesh.k@samsung.com> Signed-off-by: Manjeet Pawar <manjeet.p@samsung.com> Signed-off-by: Rohit Thapliyal <r.thapliyal@samsung.com> Signed-off-by: Will Deacon <will.deacon@arm.com> 12 October 2015, 16:40:12 UTC
b6dd8e0 Will Deacon 08 October 2015, 10:11:17 UTC arm64: errata: use KBUILD_CFLAGS_MODULE for erratum #843419 Commit df057cc7b4fa ("arm64: errata: add module build workaround for erratum #843419") sets CFLAGS_MODULE to ensure that the large memory model is used by the compiler when building kernel modules. However, CFLAGS_MODULE is an environment variable and intended to be overridden on the command line, which appears to be the case with the Ubuntu kernel packaging system, so use KBUILD_CFLAGS_MODULE instead. Cc: <stable@vger.kernel.org> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Fixes: df057cc7b4fa ("arm64: errata: add module build workaround for erratum #843419") Reported-by: Dann Frazier <dann.frazier@canonical.com> Tested-by: Dann Frazier <dann.frazier@canonical.com> Signed-off-by: Will Deacon <will.deacon@arm.com> 12 October 2015, 16:40:12 UTC
3be7f32 Chuck Lever 12 October 2015, 14:53:39 UTC svcrdma: Fix NFS server crash triggered by 1MB NFS WRITE Now that the NFS server advertises a maximum payload size of 1MB for RPC/RDMA again, it crashes in svc_process_common() when NFS client sends a 1MB NFS WRITE on an NFS/RDMA mount. The server has set up a 259 element array of struct page pointers in rq_pages[] for each incoming request. The last element of the array is NULL. When an incoming request has been completely received, rdma_read_complete() attempts to set the starting page of the incoming page vector: rqstp->rq_arg.pages = &rqstp->rq_pages[head->hdr_count]; and the page to use for the reply: rqstp->rq_respages = &rqstp->rq_arg.pages[page_no]; But the value of page_no has already accounted for head->hdr_count. Thus rq_respages now points past the end of the incoming pages. For NFS WRITE operations smaller than the maximum, this is harmless. But when the NFS WRITE operation is as large as the server's max payload size, rq_respages now points at the last entry in rq_pages, which is NULL. Fixes: cc9a903d915c ('svcrdma: Change maximum server payload . . .') BugLink: https://bugzilla.linux-nfs.org/show_bug.cgi?id=270 Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Sagi Grimberg <sagig@dev.mellanox.co.il> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Reviewed-by: Shirley Ma <shirley.ma@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com> 12 October 2015, 15:55:43 UTC
7b98040 Dave Airlie 12 October 2015, 03:59:04 UTC Merge branch 'linux-4.3' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes Nothing too crazy here, a couple of regression fixes + runpm/fbcon race fix. * 'linux-4.3' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: drm/nouveau/bios: fix OF loading drm/nouveau/fbcon: take runpm reference when userspace has an open fd drm/nouveau/nouveau: Disable AGP for SiS 761 drm/nouveau/display: allow up to 16k width/height for fermi+ drm/nouveau/bios: translate devinit pri/sec i2c bus to internal identifiers 12 October 2015, 03:59:04 UTC
25d2958 Ilia Mirkin 02 October 2015, 03:41:21 UTC drm/nouveau/bios: fix OF loading Currently OF bios load fails for a few reasons: - checksum failure - bios size too small - no PCIR header - bios length not a multiple of 4 In this change, we resolve all of the above by ignoring any checksum failures (since OF VBIOS tends not to have a checksum), and faking the PCIR data when loading from OF. Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> 12 October 2015, 03:54:56 UTC
f231976 Ben Skeggs 02 October 2015, 04:03:19 UTC drm/nouveau/fbcon: take runpm reference when userspace has an open fd We need to do this in order to prevent accesses to the device while it's powered down. Userspace may have an mmap of the fb, and there's no good way (that I know of) to prevent it from touching the device otherwise. This fixes some nasty races between runpm and plymouth on some systems, which result in the GPU getting very upset and hanging the boot. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Cc: stable@vger.kernel.org 12 October 2015, 03:54:40 UTC
953132b Ondrej Zary 14 September 2015, 19:19:57 UTC drm/nouveau/nouveau: Disable AGP for SiS 761 SiS 761 chipset does not support AGP cards but has AGP capability (for the onboard video). At least PC Chips A31G board using this chipset has an AGP-like AGPro slot that's wired to the PCI bus. Enabling AGP will fail (GPU lockup and software fbcon, X11 hangs). Add support for matching just the host bridge in nvkm_device_agp_quirks and add entry for SiS 761 with mode 0 (AGP disabled). Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> 12 October 2015, 03:48:29 UTC
5102ec3 Ilia Mirkin 18 September 2015, 02:31:20 UTC drm/nouveau/display: allow up to 16k width/height for fermi+ Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> 12 October 2015, 03:48:28 UTC
2239b76 Ben Skeggs 29 September 2015, 02:08:35 UTC drm/nouveau/bios: translate devinit pri/sec i2c bus to internal identifiers fdo#92013. Regression from "i2c: transition pad/ports away from being based on nvkm_object" Signed-off-by: Ben Skeggs <bskeggs@redhat.com> 12 October 2015, 03:48:28 UTC
25cb62b Linus Torvalds 11 October 2015, 18:09:45 UTC Linux 4.3-rc5 11 October 2015, 18:09:45 UTC
9a78f9c Linus Torvalds 11 October 2015, 17:24:32 UTC Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fix from Thomas Gleixner: "Fix a long standing state race in finish_task_switch()" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/core: Fix TASK_DEAD race in finish_task_switch() 11 October 2015, 17:24:32 UTC
7cbbab0 Linus Torvalds 11 October 2015, 17:23:52 UTC Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fix from Thomas Glexiner: "Fix build breakage on powerpc in perf tools" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tools: Fix build break on powerpc due to sample_reg_masks 11 October 2015, 17:23:52 UTC
a145164 Linus Torvalds 11 October 2015, 17:23:00 UTC Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull maintainer email update from Thomas Gleixner: "Change Matt Fleming's email address in the maintainers file" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS: Change Matt Fleming's email address 11 October 2015, 17:23:00 UTC
e3d6e0e Linus Torvalds 11 October 2015, 17:16:59 UTC Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Thomas Gleixner: "Three trivial commits: - Fix a kerneldoc regression - Export handle_bad_irq to unbreak a driver in next - Add an accessor for the of_node field so refactoring in next does not depend on merge ordering" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqdomain: Add an accessor for the of_node field genirq: Fix handle_bad_irq kerneldoc comment genirq: Export handle_bad_irq 11 October 2015, 17:16:59 UTC
5a433f7 Linus Torvalds 11 October 2015, 17:02:30 UTC Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is a set of three bug fixes, two of which are regressions from recent updates (the 3ware one from 4.1 and the device handler fixes from 4.2)" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: 3w-9xxx: don't unmap bounce buffered commands scsi_dh: Use the correct module name when loading device handler libiscsi: Fix iscsi_check_transport_timeouts possible infinite loop 11 October 2015, 17:02:30 UTC
f24fe98 Linus Torvalds 11 October 2015, 16:35:51 UTC Merge tag 'md/4.3-rc4-fix' of git://neil.brown.name/md Pull md bugfix from Neil Brown: "One bug fix for raid1/raid10. Very careless bug earler in 4.3-rc, now fixed :-)" * tag 'md/4.3-rc4-fix' of git://neil.brown.name/md: crash in md-raid1 and md-raid10 due to incorrect list manipulation 11 October 2015, 16:35:51 UTC
825fcfc Matt Fleming 10 October 2015, 16:22:16 UTC MAINTAINERS: Change Matt Fleming's email address My Intel email address will soon expire. Replace it with my personal address so people still know where to send patches. Signed-off-by: Matt Fleming <matt.fleming@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1444494136-10333-1-git-send-email-matt@codeblueprint.co.uk Signed-off-by: Ingo Molnar <mingo@kernel.org> 11 October 2015, 07:54:29 UTC
4a06c8a Linus Torvalds 10 October 2015, 18:17:45 UTC Merge tag 'usb-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some small USB and PHY fixes and quirk updates for 4.3-rc5. Nothing major here, full details in the shortlog, and all of these have been in linux-next for a while" * tag 'usb-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: Add device quirk for Logitech PTZ cameras USB: chaoskey read offset bug USB: Add reset-resume quirk for two Plantronics usb headphones. usb: renesas_usbhs: Add support for R-Car H3 usb: renesas_usbhs: fix build warning if 64-bit architecture usb: gadget: bdc: fix memory leak phy: berlin-sata: Fix module autoload for OF platform driver phy: rockchip-usb: power down phy when rockchip phy probe phy: qcom-ufs: fix build error when the component is built as a module 10 October 2015, 18:17:45 UTC
97d0c93 Linus Torvalds 10 October 2015, 18:09:55 UTC Merge tag 'tty-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver fixes from Greg KH: "Here are a few bug fixes for the tty core that resolve reported issues, and some serial driver fixes as well (including the much-reported imx driver problem) All of these have been in linux-next with no reported problems" * tag 'tty-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: drivers/tty: require read access for controlling terminal serial: 8250: add uart_config entry for PORT_RT2880 tty: fix data race on tty_buffer.commit tty: fix data race in tty_buffer_flush tty: fix data race in flush_to_ldisc tty: fix stall caused by missing memory barrier in drivers/tty/n_tty.c serial: atmel: fix error path of probe function tty: don't leak cdev in tty_cdev_add() Revert "serial: imx: remove unbalanced clk_prepare" 10 October 2015, 18:09:55 UTC
91dbc04 Linus Torvalds 10 October 2015, 18:03:31 UTC Merge tag 'staging-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging fixes from Greg KH: "Here are two tiny staging tree fixes for 4.3-rc5. One fixes the broken speakup subsystem as reported by a user, and the other removes an entry in the MAINTAINERS file for a developer that doesn't want to be listed anymore" * tag 'staging-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: speakup: fix speakup-r regression MAINTAINERS: Remove myself as nvec co-maintainer 10 October 2015, 18:03:31 UTC
ef19df6 Linus Torvalds 10 October 2015, 17:58:27 UTC Merge tag 'char-misc-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are some small fixes for some misc drivers that resolve some reported issues. All of these have been linux-next for a while" * tag 'char-misc-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: mcb: Fix error handling in mcb_pci_probe() mei: hbm: fix error in state check logic nvmem: sunxi: Check for memory allocation failure nvmem: core: Fix memory leak in nvmem_cell_write nvmem: core: Handle shift bits in-place if cell->nbits is non-zero nvmem: core: fix the out-of-range leak in read/write() 10 October 2015, 17:58:27 UTC
bbecce8 Linus Torvalds 10 October 2015, 17:51:55 UTC Merge git://git.linux-mips.org/pub/scm/ralf/upstream-linus Pull MIPS fixes from Ralf Baechle: - MIPS didn't define the new ioremap_uc. Defined it as an alias for ioremap_uncached. - Replace workaround for MIPS16 build issue with a correct one. * git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: Define ioremap_uc MIPS: UAPI: Ignore __arch_swab{16,32,64} when using MIPS16 Revert "MIPS: UAPI: Fix unrecognized opcode WSBH/DSBH/DSHD when using MIPS16." 10 October 2015, 17:51:55 UTC
1d8a12d Linus Torvalds 10 October 2015, 17:31:13 UTC Merge branch 'stable/for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb Pull swiotlb fixlet from Konrad Rzeszutek Wilk: "Enable the SWIOTLB under 32-bit PAE kernels. Nowadays most distros enable this due to CONFIG_HYPERVISOR|XEN=y which select SWIOTLB. But for those that are not interested in virtualization and wanting to use 32-bit PAE kernels and wanting to have working DMA operations - this configures it for them" * 'stable/for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb: swiotlb: Enable it under x86 PAE 10 October 2015, 17:31:13 UTC
daf3761 Trond Myklebust 09 October 2015, 17:44:34 UTC namei: results of d_is_negative() should be checked after dentry revalidation Leandro Awa writes: "After switching to version 4.1.6, our parallelized and distributed workflows now fail consistently with errors of the form: T34: ./regex.c:39:22: error: config.h: No such file or directory From our 'git bisect' testing, the following commit appears to be the possible cause of the behavior we've been seeing: commit 766c4cbfacd8" Al Viro says: "What happens is that 766c4cbfacd8 got the things subtly wrong. We used to treat d_is_negative() after lookup_fast() as "fall with ENOENT". That was wrong - checking ->d_flags outside of ->d_seq protection is unreliable and failing with hard error on what should've fallen back to non-RCU pathname resolution is a bug. Unfortunately, we'd pulled the test too far up and ran afoul of another kind of staleness. The dentry might have been absolutely stable from the RCU point of view (and we might be on UP, etc), but stale from the remote fs point of view. If ->d_revalidate() returns "it's actually stale", dentry gets thrown away and the original code wouldn't even have looked at its ->d_flags. What we need is to check ->d_flags where 766c4cbfacd8 does (prior to ->d_seq validation) but only use the result in cases where we do not discard this dentry outright" Reported-by: Leandro Awa <lawa@nvidia.com> Link: https://bugzilla.kernel.org/show_bug.cgi?id=104911 Fixes: 766c4cbfacd8 ("namei: d_is_negative() should be checked...") Tested-by: Leandro Awa <lawa@nvidia.com> Cc: stable@vger.kernel.org # v4.1+ Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 10 October 2015, 17:17:27 UTC
149fadf Linus Torvalds 10 October 2015, 01:39:04 UTC Merge tag 'pm+acpi-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management and ACPI fixes from Rafael Wysocki: "These are four fixes for bugs in the devfreq and cpufreq subsystems, including two regression fixes (one for a recent regression and one for a problem introduced in 4.2). Specifics: - Two fixes for cpufreq regressions, an acpi-cpufreq driver one introduced during the 4.2 cycle when we started to preserve cpufreq directories for offline CPUs and a general one introduced recently (Srinivas Pandruvada). - Two devfreq fixes, one for a double kfree() in an error code path and one for a confusing sysfs-related failure (Geliang Tang, Tobias Jakobi)" * tag 'pm+acpi-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: prevent lockup on reading scaling_available_frequencies cpufreq: acpi_cpufreq: prevent crash on reading freqdomain_cpus PM / devfreq: fix double kfree PM / devfreq: Fix governor_store() 10 October 2015, 01:39:04 UTC
71419b7 Linus Torvalds 10 October 2015, 01:01:26 UTC Merge branch 'strscpy' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile Pull strscpy powerpc fix from Chris Metcalf. Fix powerpc big-endian build. * 'strscpy' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/powerpc: provide zero_bytemask() for big-endian 10 October 2015, 01:01:26 UTC
f4ba1cf Linus Torvalds 10 October 2015, 00:56:00 UTC Merge tag 'sound-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "We see various small fixes, but nothing looks too scary, all are small gentle bug fixes: - Most of changes are for ASoC codecs: Realtek, SGTL5000, TAS2552, TLV320, WM8962 - A couple of dwc and imx-ssi fixes - Usual oneliner HD-audio quirks - An old emux synth code fix" * tag 'sound-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: MAINTAINERS: Remove wm97xx entry ASoC: tas2552: fix dBscale-min declaration ALSA: synth: Fix conflicting OSS device registration on AWE32 ALSA: hda - Disable power_save_node for IDT 92HD73xx chips ALSA: hda - Apply SPDIF pin ctl to MacBookPro 12,1 ALSA: hda: Add dock support for ThinkPad T550 ASoC: dwc: fix dma stop transferring issue ASoC: dwc: correct irq clear method ASoC: tlv320aic3x: Prevent writing reserved registers on tlv320aic3104 CODECs ASoC: rt5645: Correct the naming and setting of ADC Boost Volume Control ASoC: sgtl5000: fix wrong register MIC_BIAS_VOLTAGE setup on probe ASoC: wm8962: balance pm_runtime_enable ASoC: imx-ssi: Fix DAI hardware signal inversions ASoC: sgtl5000: fix error message output for MicBias voltage ASoC: db1200: Fix DAI link format for db1300 and db1550 10 October 2015, 00:56:00 UTC
fe621fd Linus Torvalds 10 October 2015, 00:33:15 UTC Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: "A Samsung driver fix and a handful of TI driver fixes" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: ti: dflt: fix enable_reg validity check clk: ti: fix dual-registration of uart4_ick clk: ti: clk-7xx: Remove hardwired ABE clock configuration clk: samsung: fix cpu clock's flags checking 10 October 2015, 00:33:15 UTC
8140e73 Linus Torvalds 10 October 2015, 00:25:26 UTC Merge tag 'mmc-v4.3-rc4' of git://git.linaro.org/people/ulf.hansson/mmc Pull MMC fixes from Ulf Hansson: "MMC host: - omap_hsmmc: Fix boot regressions for omap4430 - omap_hsmmc: Fix legacy boot regression for omap3 - sdhci-pxav3: Fix some clock issues for Armada 38x - sdhci-pxav3: Fix error handling at probe - sdhci-of-at91: Fix clock stabilization problem" * tag 'mmc-v4.3-rc4' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: sdhci-of-at91: use SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST quirk mmc: sdhci: add quirk SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST mmc: sdhci-pxav3: fix error handling of armada_38x_quirks mmc: sdhci-pxav3: disable clock inversion for HS MMC cards mmc: sdhci-pxav3: remove broken clock base quirk for Armada 38x sdhci driver mmc: host: omap_hsmmc: Fix MMC for omap3 legacy booting Revert "mmc: host: omap_hsmmc: use regulator_is_enabled to find pbias status" 10 October 2015, 00:25:26 UTC
0444555 Linus Torvalds 09 October 2015, 23:58:11 UTC Merge tag 'dm-4.3-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull dm fixes from Mike Snitzer: "Three stable fixes: - DM core AB-BA deadlock fix in the device destruction path (vs device creation's DM table swap). - DM raid fix to properly round up the region_size to the next power-of-2. - DM cache fix for a NULL pointer seen while switching from the "cleaner" cache policy. Two fixes for regressions introduced during the 4.3 merge: - request-based DM error propagation regressed due to incorrect changes introduced when adding the bi_error field to bio. - DM snapshot fix to only support snapshots that overflow if the client (e.g. lvm2) is prepared to deal with the associated snapshot status interface change" * tag 'dm-4.3-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm snapshot: add new persistent store option to support overflow dm cache: fix NULL pointer when switching from cleaner policy dm: fix request-based dm error reporting dm raid: fix round up of default region size dm: fix AB-BA deadlock in __dm_destroy() 09 October 2015, 23:58:11 UTC
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