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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
fad01e8 | Linus Torvalds | 02 June 2014, 02:12:24 UTC | Linux 3.15-rc8 | 02 June 2014, 02:12:24 UTC |
204fe03 | Linus Torvalds | 02 June 2014, 01:30:07 UTC | Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull powerpc fix from Ben Herrenschmidt: "Here's just one trivial patch to wire up sys_renameat2 which I seem to have completely missed so far. (My test build scripts fwd me warnings but miss the ones generated for missing syscalls)" * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Wire renameat2() syscall | 02 June 2014, 01:30:07 UTC |
568180a | Linus Torvalds | 02 June 2014, 01:28:58 UTC | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus Pull MIPS fixes from Ralf Baechle: "A fair number of fixes across the field. Nothing terribly complicated; the one liners in below changelog should be fairly descriptive. Noteworthy is the SB1 change which the result of changes to binutils resulting in one big gas warning for most files being assembled as well as the asid_cache and branch emulation fixes which fix corruption or possible uninteded behaviour of kernel or application code. The remainder of fixes are more platforms or subsystem specific" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: R46000: Fix Micro-assembler field overflow for R4600 V2 MIPS: ptrace: Avoid smp_processor_id() in preemptible code MIPS: Lemote 2F: cs5536: mfgpt: use raw locks MIPS: SB1: Fix excessive kernel warnings. MIPS: RC32434: fix broken PCI resource initialization MIPS: malta: memory.c: Initialize the 'memsize' variable MIPS: Fix typo when reporting cache and ftlb errors for ImgTec cores MIPS: Fix inconsistancy of __NR_Linux_syscalls value MIPS: Fix branch emulation of branch likely instructions. MIPS: Fix a typo error in AUDIT_ARCH definition MIPS: Change type of asid_cache to unsigned long | 02 June 2014, 01:28:58 UTC |
3243970 | Linus Torvalds | 02 June 2014, 01:26:59 UTC | Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "Various fixlets, mostly related to the (root-only) SCHED_DEADLINE policy, but also a hotplug bug fix and a fix for a NR_CPUS related overallocation bug causing a suspend/resume regression" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Fix hotplug vs. set_cpus_allowed_ptr() sched/cpupri: Replace NR_CPUS arrays sched/deadline: Replace NR_CPUS arrays sched/deadline: Restrict user params max value to 2^63 ns sched/deadline: Change sched_getparam() behaviour vs SCHED_DEADLINE sched: Disallow sched_attr::sched_policy < 0 sched: Make sched_setattr() correctly return -EFBIG | 02 June 2014, 01:26:59 UTC |
8212f58 | Benjamin Herrenschmidt | 01 June 2014, 23:24:27 UTC | powerpc: Wire renameat2() syscall Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> | 01 June 2014, 23:24:27 UTC |
a4bf79e | Linus Torvalds | 31 May 2014, 16:47:55 UTC | Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core futex/rtmutex fixes from Thomas Gleixner: "Three fixlets for long standing issues in the futex/rtmutex code unearthed by Dave Jones syscall fuzzer: - Add missing early deadlock detection checks in the futex code - Prevent user space from attaching a futex to kernel threads - Make the deadlock detector of rtmutex work again Looks large, but is more comments than code change" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: rtmutex: Fix deadlock detector for real futex: Prevent attaching to kernel threads futex: Add another early deadlock detection check | 31 May 2014, 16:47:55 UTC |
80e0679 | Linus Torvalds | 31 May 2014, 16:19:02 UTC | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "Mostly quiet now: i915: fixing userspace visiblie issues, all stable marked radeon: one more pll fix, two crashers, one suspend/resume regression" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon: Resume fbcon last drm/radeon: only allocate necessary size for vm bo list drm/radeon: don't allow RADEON_GEM_DOMAIN_CPU for command submission drm/radeon: avoid crash if VM command submission isn't available drm/radeon: lower the ref * post PLL maximum once more drm/i915: Prevent negative relocation deltas from wrapping drm/i915: Only copy back the modified fields to userspace from execbuffer drm/i915: Fix dynamic allocation of physical handles | 31 May 2014, 16:19:02 UTC |
9f12600 | Linus Torvalds | 31 May 2014, 16:13:21 UTC | dcache: add missing lockdep annotation lock_parent() very much on purpose does nested locking of dentries, and is careful to maintain the right order (lock parent first). But because it didn't annotate the nested locking order, lockdep thought it might be a deadlock on d_lock, and complained. Add the proper annotation for the inner locking of the child dentry to make lockdep happy. Introduced by commit 046b961b45f9 ("shrink_dentry_list(): take parent's ->d_lock earlier"). Reported-and-tested-by: Josh Boyer <jwboyer@fedoraproject.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 31 May 2014, 16:13:21 UTC |
18ee37a | Daniel Vetter | 30 May 2014, 14:41:23 UTC | drm/radeon: Resume fbcon last So a few people complained that commit 177cf92de4aa97ec1435987e91696ed8b5023130 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Tue Apr 1 22:14:59 2014 +0200 drm/crtc-helpers: fix dpms on logic which was merged into 3.15-rc1, broke resume on radeons. Strangely git bisect lead everyone to commit 25f397a429dfa43f22c278d0119a60a343aa568f Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Fri Jul 19 18:57:11 2013 +0200 drm/crtc-helper: explicit DPMS on after modeset which was merged long ago and actually part of 3.14. Digging deeper I've noticed (again) that the call to drm_helper_resume_force_mode in the radeon resume handlers was a no-op previously because everything gets shut down on suspend. radeon does this with explicit calls to drm_helper_connector_dpms with DPMS_OFF. But with 177c we now force the dpms state to ON, so suddenly resume_force_mode actually forced the crtcs back on. This is the intention of the change after all, the problem is that radeon resumes the fbdev console layer _before_ restoring the display, through calling fb_set_suspend. And fbcon does an immediate ->set_par, which in turn causes the same forced mode restore to happen. Two concurrent modeset operations didn't lead to happiness. Fix this by delaying the fbcon resume until the end of the readeon resum functions. v2: Fix up a bit of the spelling fail. References: https://lkml.org/lkml/2014/5/29/1043 References: https://lkml.org/lkml/2014/5/2/388 Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=74751 Tested-by: Ken Moffat <zarniwhoop@ntlworld.com> Cc: Alex Deucher <alexdeucher@gmail.com> Cc: Ken Moffat <zarniwhoop@ntlworld.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@gmail.com> | 30 May 2014, 23:19:51 UTC |
1446e04 | Dave Airlie | 30 May 2014, 23:19:05 UTC | Merge branch 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux into drm-fixes this is the next pull request for stashed up radeon fixes for 3.15. This is finally calming down with only four patches in this pull request. * 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux: drm/radeon: only allocate necessary size for vm bo list drm/radeon: don't allow RADEON_GEM_DOMAIN_CPU for command submission drm/radeon: avoid crash if VM command submission isn't available drm/radeon: lower the ref * post PLL maximum once more | 30 May 2014, 23:19:05 UTC |
1487385 | Linus Torvalds | 30 May 2014, 19:07:48 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input subsystem fixes from Dmitry Torokhov: "A couple of driver/build fixups and also redone quirk for Synaptics touchpads on Lenovo boxes (now using PNP IDs instead of DMI data to limit number of quirks)" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: synaptics - change min/max quirk table to pnp-id matching Input: synaptics - add a matches_pnp_id helper function Input: synaptics - T540p - unify with other LEN0034 models Input: synaptics - add min/max quirk for the ThinkPad W540 Input: ambakmi - request a shared interrupt for AMBA KMI devices Input: pxa27x-keypad - fix generating scancode Input: atmel-wm97xx - only build for AVR32 Input: fix ps2/serio module dependency | 30 May 2014, 19:07:48 UTC |
1326af2 | Linus Torvalds | 30 May 2014, 19:06:15 UTC | Merge tag 'firewire-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire fix from Stefan Richter: "A regression fix for the IEEE 1394 subsystem: re-enable IRQ-based asynchronous request reception at addresses below 128 TB" * tag 'firewire-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: revert to 4 GB RDMA, fix protocols using Memory Space | 30 May 2014, 19:06:15 UTC |
24e19d2 | Linus Torvalds | 30 May 2014, 19:04:56 UTC | Merge tag 'dm-3.15-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device-mapper fixes from Mike Snitzer: "A dm-cache stable fix to split discards on cache block boundaries because dm-cache cannot yet handle discards that span cache blocks. Really fix a dm-mpath LOCKDEP warning that was introduced in -rc1. Add a 'no_space_timeout' control to dm-thinp to restore the ability to queue IO indefinitely when no data space is available. This fixes a change in behavior that was introduced in -rc6 where the timeout couldn't be disabled" * tag 'dm-3.15-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm mpath: really fix lockdep warning dm cache: always split discards on cache block boundaries dm thin: add 'no_space_timeout' dm-thin-pool module param | 30 May 2014, 19:04:56 UTC |
6538b8e | Minchan Kim | 28 May 2014, 06:53:59 UTC | x86_64: expand kernel stack to 16K While I play inhouse patches with much memory pressure on qemu-kvm, 3.14 kernel was randomly crashed. The reason was kernel stack overflow. When I investigated the problem, the callstack was a little bit deeper by involve with reclaim functions but not direct reclaim path. I tried to diet stack size of some functions related with alloc/reclaim so did a hundred of byte but overflow was't disappeard so that I encounter overflow by another deeper callstack on reclaim/allocator path. Of course, we might sweep every sites we have found for reducing stack usage but I'm not sure how long it saves the world(surely, lots of developer start to add nice features which will use stack agains) and if we consider another more complex feature in I/O layer and/or reclaim path, it might be better to increase stack size( meanwhile, stack usage on 64bit machine was doubled compared to 32bit while it have sticked to 8K. Hmm, it's not a fair to me and arm64 already expaned to 16K. ) So, my stupid idea is just let's expand stack size and keep an eye toward stack consumption on each kernel functions via stacktrace of ftrace. For example, we can have a bar like that each funcion shouldn't exceed 200K and emit the warning when some function consumes more in runtime. Of course, it could make false positive but at least, it could make a chance to think over it. I guess this topic was discussed several time so there might be strong reason not to increase kernel stack size on x86_64, for me not knowing so Ccing x86_64 maintainers, other MM guys and virtio maintainers. Here's an example call trace using up the kernel stack: Depth Size Location (51 entries) ----- ---- -------- 0) 7696 16 lookup_address 1) 7680 16 _lookup_address_cpa.isra.3 2) 7664 24 __change_page_attr_set_clr 3) 7640 392 kernel_map_pages 4) 7248 256 get_page_from_freelist 5) 6992 352 __alloc_pages_nodemask 6) 6640 8 alloc_pages_current 7) 6632 168 new_slab 8) 6464 8 __slab_alloc 9) 6456 80 __kmalloc 10) 6376 376 vring_add_indirect 11) 6000 144 virtqueue_add_sgs 12) 5856 288 __virtblk_add_req 13) 5568 96 virtio_queue_rq 14) 5472 128 __blk_mq_run_hw_queue 15) 5344 16 blk_mq_run_hw_queue 16) 5328 96 blk_mq_insert_requests 17) 5232 112 blk_mq_flush_plug_list 18) 5120 112 blk_flush_plug_list 19) 5008 64 io_schedule_timeout 20) 4944 128 mempool_alloc 21) 4816 96 bio_alloc_bioset 22) 4720 48 get_swap_bio 23) 4672 160 __swap_writepage 24) 4512 32 swap_writepage 25) 4480 320 shrink_page_list 26) 4160 208 shrink_inactive_list 27) 3952 304 shrink_lruvec 28) 3648 80 shrink_zone 29) 3568 128 do_try_to_free_pages 30) 3440 208 try_to_free_pages 31) 3232 352 __alloc_pages_nodemask 32) 2880 8 alloc_pages_current 33) 2872 200 __page_cache_alloc 34) 2672 80 find_or_create_page 35) 2592 80 ext4_mb_load_buddy 36) 2512 176 ext4_mb_regular_allocator 37) 2336 128 ext4_mb_new_blocks 38) 2208 256 ext4_ext_map_blocks 39) 1952 160 ext4_map_blocks 40) 1792 384 ext4_writepages 41) 1408 16 do_writepages 42) 1392 96 __writeback_single_inode 43) 1296 176 writeback_sb_inodes 44) 1120 80 __writeback_inodes_wb 45) 1040 160 wb_writeback 46) 880 208 bdi_writeback_workfn 47) 672 144 process_one_work 48) 528 112 worker_thread 49) 416 240 kthread 50) 176 176 ret_from_fork [ Note: the problem is exacerbated by certain gcc versions that seem to generate much bigger stack frames due to apparently bad coalescing of temporaries and generating too many spills. Rusty saw gcc-4.6.4 using 35% more stack on the virtio path than 4.8.2 does, for example. Minchan not only uses such a bad gcc version (4.6.3 in his case), but some of the stack use is due to debugging (CONFIG_DEBUG_PAGEALLOC is what causes that kernel_map_pages() frame, for example). But we're clearly getting too close. The VM code also seems to have excessive stack frames partly for the same compiler reason, triggered by excessive inlining and lots of function arguments. We need to improve on our stack use, but in the meantime let's do this simple stack increase too. Unlike most earlier reports, there is nothing simple that stands out as being really horribly wrong here, apart from the fact that the stack frames are just bigger than they should need to be. - Linus ] Signed-off-by: Minchan Kim <minchan@kernel.org> Cc: Peter Anvin <hpa@zytor.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Dave Jones <davej@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Hugh Dickins <hughd@google.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Michael S Tsirkin <mst@redhat.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: PJ Waskiewicz <pjwaskiewicz@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 30 May 2014, 18:52:51 UTC |
6f6111e | Linus Torvalds | 30 May 2014, 16:52:55 UTC | Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs dcache livelock fix from Al Viro: "Fixes for livelocks in shrink_dentry_list() introduced by fixes to shrink list corruption; the root cause was that trylock of parent's ->d_lock could be disrupted by d_walk() happening on other CPUs, resulting in shrink_dentry_list() making no progress *and* the same d_walk() being called again and again for as long as shrink_dentry_list() doesn't get past that mess. The solution is to have shrink_dentry_list() treat that trylock failure not as 'try to do the same thing again', but 'lock them in the right order'" * 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: dentry_kill() doesn't need the second argument now dealing with the rest of shrink_dentry_list() livelock shrink_dentry_list(): take parent's ->d_lock earlier expand dentry_kill(dentry, 0) in shrink_dentry_list() split dentry_kill() lift the "already marked killed" case into shrink_dentry_list() | 30 May 2014, 16:52:55 UTC |
8cbf74d | Al Viro | 29 May 2014, 13:18:26 UTC | dentry_kill() doesn't need the second argument now it's 1 in the only remaining caller. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 30 May 2014, 15:10:33 UTC |
b2b8019 | Al Viro | 29 May 2014, 13:11:45 UTC | dealing with the rest of shrink_dentry_list() livelock We have the same problem with ->d_lock order in the inner loop, where we are dropping references to ancestors. Same solution, basically - instead of using dentry_kill() we use lock_parent() (introduced in the previous commit) to get that lock in a safe way, recheck ->d_count (in case if lock_parent() has ended up dropping and retaking ->d_lock and somebody managed to grab a reference during that window), trylock the inode->i_lock and use __dentry_kill() to do the rest. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 30 May 2014, 15:10:33 UTC |
046b961 | Al Viro | 29 May 2014, 12:54:52 UTC | shrink_dentry_list(): take parent's ->d_lock earlier The cause of livelocks there is that we are taking ->d_lock on dentry and its parent in the wrong order, forcing us to use trylock on the parent's one. d_walk() takes them in the right order, and unfortunately it's not hard to create a situation when shrink_dentry_list() can't make progress since trylock keeps failing, and shrink_dcache_parent() or check_submounts_and_drop() keeps calling d_walk() disrupting the very shrink_dentry_list() it's waiting for. Solution is straightforward - if that trylock fails, let's unlock the dentry itself and take locks in the right order. We need to stabilize ->d_parent without holding ->d_lock, but that's doable using RCU. And we'd better do that in the very beginning of the loop in shrink_dentry_list(), since the checks on refcount, etc. would need to be redone anyway. That deals with a half of the problem - killing dentries on the shrink list itself. Another one (dropping their parents) is in the next commit. locking parent is interesting - it would be easy to do rcu_read_lock(), lock whatever we think is a parent, lock dentry itself and check if the parent is still the right one. Except that we need to check that *before* locking the dentry, or we are risking taking ->d_lock out of order. Fortunately, once the D1 is locked, we can check if D2->d_parent is equal to D1 without the need to lock D2; D2->d_parent can start or stop pointing to D1 only under D1->d_lock, so taking D1->d_lock is enough. In other words, the right solution is rcu_read_lock/lock what looks like parent right now/check if it's still our parent/rcu_read_unlock/lock the child. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 30 May 2014, 15:03:21 UTC |
7d95f6c | Christian König | 28 May 2014, 10:24:17 UTC | drm/radeon: only allocate necessary size for vm bo list No need to always allocate the theoretical maximum here. Signed-off-by: Christian König <christian.koenig@amd.com> | 30 May 2014, 12:21:54 UTC |
ec65da3 | Marek Olšák | 27 May 2014, 00:56:36 UTC | drm/radeon: don't allow RADEON_GEM_DOMAIN_CPU for command submission It hangs the hardware. Signed-off-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org | 30 May 2014, 12:21:49 UTC |
60a4454 | Christian König | 21 May 2014, 15:43:59 UTC | drm/radeon: avoid crash if VM command submission isn't available Signed-off-by: Christian König <christian.koenig@amd.com> CC: stable@vger.kernel.org | 30 May 2014, 12:21:44 UTC |
4b21ce1 | Christian König | 21 May 2014, 13:25:41 UTC | drm/radeon: lower the ref * post PLL maximum once more Let's be conservative and use 100 here until we find something better. Bugs: https://bugzilla.kernel.org/show_bug.cgi?id=75241 Signed-off-by: Christian König <christian.koenig@amd.com> | 30 May 2014, 12:13:30 UTC |
fe45736 | Linus Torvalds | 30 May 2014, 01:31:09 UTC | Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm Pull ARM fixes from Russell King: "The usual random collection of relatively small ARM fixes" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8063/1: bL_switcher: fix individual online status reporting of removed CPUs ARM: 8064/1: fix v7-M signal return ARM: 8057/1: amba: Add Qualcomm vendor ID. ARM: 8052/1: unwind: Fix handling of "Pop r4-r[4+nnn],r14" opcode ARM: 8051/1: put_user: fix possible data corruption in put_user ARM: 8048/1: fix v7-M setup stack location | 30 May 2014, 01:31:09 UTC |
a991639 | Linus Torvalds | 29 May 2014, 21:14:43 UTC | Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fix from Will Deacon: "Fix CoW regression for transparent hugepages by routing set_pmd_at to set_pte_at, which correctly handles PTE_WRITE and will mark the resulting table entry as read-only where appropriate" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: mm: fix pmd_write CoW brokenness | 29 May 2014, 21:14:43 UTC |
f035b3d | Linus Torvalds | 29 May 2014, 21:05:57 UTC | Merge tag 'pm+acpi-3.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes from Rafael Wysocki: "These are three stable-candidate fixes, one for the ACPI thermal driver and two for cpufreq drivers. Specifics: - A workqueue is destroyed too early during the ACPI thermal driver module unload which leads to a NULL pointer dereference in the driver's remove callback. Fix from Aaron Lu. - A wrong argument is passed to devm_regulator_get_optional() in the probe routine of the cpu0 cpufreq driver which leads to resource leaks if the driver is unbound from the cpufreq platform device. Fix from Lucas Stach. - A lock is missing in cpufreq_governor_dbs() which leads to memory corruption and NULL pointer dereferences during system suspend/resume, for example. Fix from Bibek Basu" * tag 'pm+acpi-3.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / thermal: fix workqueue destroy order cpufreq: cpu0: drop wrong devm usage cpufreq: remove race while accessing cur_policy | 29 May 2014, 21:05:57 UTC |
15a7b60 | Linus Torvalds | 29 May 2014, 20:59:18 UTC | Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux Pull clock fixes from Mike Turquette: "Small number of user-visible regression fixes for clock drivers. There is a memory leak fix for an ST platform, an infinite Loop Of Doom fix for the recent changes to the basic clock divider (hopefully the last fix for those recent changes) and some Tegra PLL changes which keep PCI from being hosed on that platform" * tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux: clk: st: Fix memory leak clk: divider: Fix table round up function clk: tegra: Fix enabling of PLLE clk: tegra: Introduce divider mask and shift helpers clk: tegra: Fix PLLE programming | 29 May 2014, 20:59:18 UTC |
2fe2023 | Stefan Richter | 29 May 2014, 13:23:26 UTC | firewire: revert to 4 GB RDMA, fix protocols using Memory Space Undo a feature introduced in v3.14 by commit fcd46b34425d "firewire: Enable remote DMA above 4 GB". That change raised the minimum address at which protocol drivers and user programs can register for request reception from 0x0001'0000'0000 to 0x8000'0000'0000. It turned out that at least one vendor-specific protocol exists which uses lower addresses: https://bugzilla.kernel.org/show_bug.cgi?id=76921 For the time being, revert most of commit fcd46b34425d so that affected protocols work like with kernel v3.13 and before. Just keep the valid documentation parts from the regressing commit, and the ability to identify controllers which could be programmed to accept >32 bit physical DMA addresses. The rest of fcd46b34425d should probably be brought back as an optional instead of default feature. Reported-by: Fabien Spindler <fabien.spindler@inria.fr> Cc: <stable@vger.kernel.org> # 3.14+ Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> | 29 May 2014, 13:50:30 UTC |
ff2fde9 | Al Viro | 28 May 2014, 17:59:13 UTC | expand dentry_kill(dentry, 0) in shrink_dentry_list() Result will be massaged to saner shape in the next commits. It is ugly, no questions - the point of that one is to be a provably equivalent transformation (and it might be worth splitting a bit more). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 29 May 2014, 12:50:08 UTC |
e55fd01 | Al Viro | 28 May 2014, 17:51:12 UTC | split dentry_kill() ... into trylocks and everything else. The latter (actual killing) is __dentry_kill(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 29 May 2014, 12:46:08 UTC |
ceb2183 | Will Deacon | 27 May 2014, 18:11:58 UTC | arm64: mm: fix pmd_write CoW brokenness Commit 9c7e535fcc17 ("arm64: mm: Route pmd thp functions through pte equivalents") changed the pmd manipulator and accessor functions to convert the target pmd to a pte, process it with the pte functions, then convert it back. Along the way, we gained support for PTE_WRITE, however this is completely ignored by set_pmd_at, and so we fail to set the PMD_SECT_RDONLY for PMDs, resulting in all sorts of lovely failures (like CoW not working). Partially reverting the offending commit (by making use of PMD_SECT_RDONLY explicitly for pmd_{write,wrprotect,mkwrite} functions) leads to further issues because pmd_write can then return potentially incorrect values for page table entries marked as RDONLY, leading to BUG_ON(pmd_write(entry)) tripping under some THP workloads. This patch fixes the issue by routing set_pmd_at through set_pte_at, which correctly takes the PTE_WRITE flag into account. Given that THP mappings are always anonymous, the additional cache-flushing code in __sync_icache_dcache won't impose any significant overhead as the flush will be skipped. Cc: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Steve Capper <steve.capper@arm.com> Tested-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> | 29 May 2014, 10:31:14 UTC |
f2159d1 | Linus Torvalds | 28 May 2014, 18:17:41 UTC | Merge tag 'sound-3.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Just two small stable fixes: an HD-audio fix for the new Intel chipsets and a PM handling fix in PCM dmaengine core" * tag 'sound-3.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Fix onboard audio on Intel H97/Z97 chipsets ALSA: pcm_dmaengine: Add check during device suspend | 28 May 2014, 18:17:41 UTC |
2826958 | Linus Torvalds | 28 May 2014, 18:15:57 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs fix from Al Viro: "Oh, well... Still nothing useful on that livelock (I had something that looked kinda-sorta like a non-invasive solution, but it deadlocks), so it's just Miklos' vmsplice fix for now" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: vfs: fix vmplice_to_user() | 28 May 2014, 18:15:57 UTC |
3f8517e | Nicolas Pitre | 23 May 2014, 21:31:44 UTC | ARM: 8063/1: bL_switcher: fix individual online status reporting of removed CPUs The content of /sys/devices/system/cpu/cpu*/online is still 1 for those CPUs that the switcher has removed even though the global state in /sys/devices/system/cpu/online is updated correctly. It turns out that commit 0902a9044f ("Driver core: Use generic offline/online for CPU offline/online") has changed the way those files retrieve their content by relying on on the generic attribute handling code. The switcher, by calling cpu_down() directly, bypasses this handling and the attribute value doesn't get updated. Fix this by calling device_offline()/device_online() instead. Signed-off-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 28 May 2014, 15:33:02 UTC |
397335f | Thomas Gleixner | 22 May 2014, 03:25:39 UTC | rtmutex: Fix deadlock detector for real The current deadlock detection logic does not work reliably due to the following early exit path: /* * Drop out, when the task has no waiters. Note, * top_waiter can be NULL, when we are in the deboosting * mode! */ if (top_waiter && (!task_has_pi_waiters(task) || top_waiter != task_top_pi_waiter(task))) goto out_unlock_pi; So this not only exits when the task has no waiters, it also exits unconditionally when the current waiter is not the top priority waiter of the task. So in a nested locking scenario, it might abort the lock chain walk and therefor miss a potential deadlock. Simple fix: Continue the chain walk, when deadlock detection is enabled. We also avoid the whole enqueue, if we detect the deadlock right away (A-A). It's an optimization, but also prevents that another waiter who comes in after the detection and before the task has undone the damage observes the situation and detects the deadlock and returns -EDEADLOCK, which is wrong as the other task is not in a deadlock situation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Steven Rostedt <rostedt@goodmis.org> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20140522031949.725272460@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> | 28 May 2014, 15:28:13 UTC |
4efdedc | Linus Torvalds | 28 May 2014, 15:08:03 UTC | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm fixes from Paolo Bonzini: "Small fixes for x86, slightly larger fixes for PPC, and a forgotten s390 patch. The PPC fixes are important because they fix breakage that is new in 3.15" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: s390: announce irqfd capability KVM: x86: disable master clock if TSC is reset during suspend KVM: vmx: disable APIC virtualization in nested guests KVM guest: Make pv trampoline code executable KVM: PPC: Book3S: ifdef on CONFIG_KVM_BOOK3S_32_HANDLER for 32bit KVM: PPC: Book3S HV: Add missing code for transaction reclaim on guest exit KVM: PPC: Book3S: HV: make _PAGE_NUMA take effect | 28 May 2014, 15:08:03 UTC |
9e3d633 | Linus Torvalds | 28 May 2014, 15:06:50 UTC | Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull two powerpc fixes from Ben Herrenschmidt: "Here's a pair of powerpc fixes for 3.15 which are also going to stable. One's a fix for building with newer binutils (the problem currently only affects the BookE kernels but the affected macro might come back into use on BookS platforms at any time). Unfortunately, the binutils maintainer did a backward incompatible change to a construct that we use so we have to add Makefile check. The other one is a fix for CPUs getting stuck in kexec when running single threaded. Since we routinely use kexec on power (including in our newer bootloaders), I deemed that important enough" * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc, kexec: Fix "Processor X is stuck" issue during kexec from ST mode powerpc: Fix 64 bit builds with binutils 2.24 | 28 May 2014, 15:06:50 UTC |
64fd72e | Al Viro | 28 May 2014, 13:48:44 UTC | lift the "already marked killed" case into shrink_dentry_list() It can happen only when dentry_kill() is called with unlock_on_failure equal to 0 - other callers had dentry pinned until the moment they've got ->d_lock and DCACHE_DENTRY_KILLED is set only after lockref_mark_dead(). IOW, only one of three call sites of dentry_kill() might end up reaching that code. Just move it there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 28 May 2014, 13:48:44 UTC |
f3f0d95 | Thomas Bogendoerfer | 08 April 2014, 06:58:01 UTC | MIPS: R46000: Fix Micro-assembler field overflow for R4600 V2 Fix uasm warning, which triggered because of workaround for R4600 V2 CPUs. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6716/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 28 May 2014, 09:08:14 UTC |
57c7ea5 | Alex Smith | 01 May 2014, 11:51:19 UTC | MIPS: ptrace: Avoid smp_processor_id() in preemptible code ptrace_{get,set}_watch_regs access current_cpu_data to get the watch register count/masks, which calls smp_processor_id(). However they are run in preemptible context and therefore trigger warnings like so: [ 6340.092000] BUG: using smp_processor_id() in preemptible [00000000] code: gdb/367 [ 6340.092000] caller is ptrace_get_watch_regs+0x44/0x220 Since the watch register count/masks should be the same across all CPUs, use boot_cpu_data instead. Note that this may need to change in future should a heterogenous system be supported where the count/masks are not the same across all CPUs (the current code is also incorrect for this scenario - current_cpu_data here would not necessarily be correct for the CPU that the target task will execute on). Signed-off-by: Alex Smith <alex.smith@imgtec.com> Reviewed-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6879/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 28 May 2014, 08:54:41 UTC |
f02ffb1 | Sebastian Andrzej Siewior | 13 May 2014, 15:07:04 UTC | MIPS: Lemote 2F: cs5536: mfgpt: use raw locks The lock is taken in the raw irq path and therefore a rawlock should be used instead of a normal spinlock. While here I drop the export symbol on that variable since there are no other users. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: linux-mips@linux-mips.org Cc: Hua Yan <yanh@lemote.com> Cc: Huacai Chen <chenhc@lemote.com> Cc: Alex Smith <alex.smith@imgtec.com> Cc: Hongliang Tao <taohl@lemote.com> Cc: Wu Zhangjin <wuzhangjin@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/6936/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 28 May 2014, 08:48:26 UTC |
bb6c0bd | Ralf Baechle | 28 May 2014, 06:36:23 UTC | MIPS: SB1: Fix excessive kernel warnings. A kernel build with binutils 2.24 is going to emit warnings like CC kernel/sys.o {standard input}: Assembler messages: {standard input}:701: Warning: the 32-bit MIPS architecture does not support the `mdmx' extension {standard input}:701: Warning: the `mdmx' extension requires 64-bit FPRs {standard input}:701: Warning: the `mips3d' extension requires MIPS32 revision 2 or greater {standard input}:701: Warning: the `mips3d' extension requires 64-bit FPRs for almost every file. This is caused by changes to gas' interpretation of .set semantics. Fixed by explicitly disabling MIPS3D and MDMX for Sibyte builds. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 28 May 2014, 06:42:23 UTC |
b6dd6f4 | Miklos Szeredi | 27 May 2014, 14:41:16 UTC | vfs: fix vmplice_to_user() Commit 6130f5315ee8 "switch vmsplice_to_user() to copy_page_to_iter()" in v3.15-rc1 broke vmsplice(2). This patch fixes two bugs: - count is not initialized to a proper value, which resulted in no data being copied - if rw_copy_check_uvector() returns negative then the iov might be leaked. Tested OK. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> | 28 May 2014, 05:54:52 UTC |
5178438 | Mike Turquette | 28 May 2014, 04:11:08 UTC | Merge tag 'clk-tegra-fixes-3.15' of git://nv-tegra.nvidia.com/user/pdeschrijver/linux into clk-fixes PLLE fixes for 3.15 | 28 May 2014, 04:11:08 UTC |
011e4b0 | Srivatsa S. Bhat | 27 May 2014, 10:55:34 UTC | powerpc, kexec: Fix "Processor X is stuck" issue during kexec from ST mode If we try to perform a kexec when the machine is in ST (Single-Threaded) mode (ppc64_cpu --smt=off), the kexec operation doesn't succeed properly, and we get the following messages during boot: [ 0.089866] POWER8 performance monitor hardware support registered [ 0.089985] power8-pmu: PMAO restore workaround active. [ 5.095419] Processor 1 is stuck. [ 10.097933] Processor 2 is stuck. [ 15.100480] Processor 3 is stuck. [ 20.102982] Processor 4 is stuck. [ 25.105489] Processor 5 is stuck. [ 30.108005] Processor 6 is stuck. [ 35.110518] Processor 7 is stuck. [ 40.113369] Processor 9 is stuck. [ 45.115879] Processor 10 is stuck. [ 50.118389] Processor 11 is stuck. [ 55.120904] Processor 12 is stuck. [ 60.123425] Processor 13 is stuck. [ 65.125970] Processor 14 is stuck. [ 70.128495] Processor 15 is stuck. [ 75.131316] Processor 17 is stuck. Note that only the sibling threads are stuck, while the primary threads (0, 8, 16 etc) boot just fine. Looking closer at the previous step of kexec, we observe that kexec tries to wakeup (bring online) the sibling threads of all the cores, before performing kexec: [ 9464.131231] Starting new kernel [ 9464.148507] kexec: Waking offline cpu 1. [ 9464.148552] kexec: Waking offline cpu 2. [ 9464.148600] kexec: Waking offline cpu 3. [ 9464.148636] kexec: Waking offline cpu 4. [ 9464.148671] kexec: Waking offline cpu 5. [ 9464.148708] kexec: Waking offline cpu 6. [ 9464.148743] kexec: Waking offline cpu 7. [ 9464.148779] kexec: Waking offline cpu 9. [ 9464.148815] kexec: Waking offline cpu 10. [ 9464.148851] kexec: Waking offline cpu 11. [ 9464.148887] kexec: Waking offline cpu 12. [ 9464.148922] kexec: Waking offline cpu 13. [ 9464.148958] kexec: Waking offline cpu 14. [ 9464.148994] kexec: Waking offline cpu 15. [ 9464.149030] kexec: Waking offline cpu 17. Instrumenting this piece of code revealed that the cpu_up() operation actually fails with -EBUSY. Thus, only the primary threads of all the cores are online during kexec, and hence this is a sure-shot receipe for disaster, as explained in commit e8e5c2155b (powerpc/kexec: Fix orphaned offline CPUs across kexec), as well as in the comment above wake_offline_cpus(). It turns out that cpu_up() was returning -EBUSY because the variable 'cpu_hotplug_disabled' was set to 1; and this disabling of CPU hotplug was done by migrate_to_reboot_cpu() inside kernel_kexec(). Now, migrate_to_reboot_cpu() was originally written with the assumption that any further code will not need to perform CPU hotplug, since we are anyway in the reboot path. However, kexec is clearly not such a case, since we depend on onlining CPUs, atleast on powerpc. So re-enable cpu-hotplug after returning from migrate_to_reboot_cpu() in the kexec path, to fix this regression in kexec on powerpc. Also, wrap the cpu_up() in powerpc kexec code within a WARN_ON(), so that we can catch such issues more easily in the future. Fixes: c97102ba963 (kexec: migrate to reboot cpu) Cc: stable@vger.kernel.org Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> | 28 May 2014, 03:24:26 UTC |
7998eb3 | Guenter Roeck | 15 May 2014, 16:33:42 UTC | powerpc: Fix 64 bit builds with binutils 2.24 With binutils 2.24, various 64 bit builds fail with relocation errors such as arch/powerpc/kernel/built-in.o: In function `exc_debug_crit_book3e': (.text+0x165ee): relocation truncated to fit: R_PPC64_ADDR16_HI against symbol `interrupt_base_book3e' defined in .text section in arch/powerpc/kernel/built-in.o arch/powerpc/kernel/built-in.o: In function `exc_debug_crit_book3e': (.text+0x16602): relocation truncated to fit: R_PPC64_ADDR16_HI against symbol `interrupt_end_book3e' defined in .text section in arch/powerpc/kernel/built-in.o The assembler maintainer says: I changed the ABI, something that had to be done but unfortunately happens to break the booke kernel code. When building up a 64-bit value with lis, ori, shl, oris, ori or similar sequences, you now should use @high and @higha in place of @h and @ha. @h and @ha (and their associated relocs R_PPC64_ADDR16_HI and R_PPC64_ADDR16_HA) now report overflow if the value is out of 32-bit signed range. ie. @h and @ha assume you're building a 32-bit value. This is needed to report out-of-range -mcmodel=medium toc pointer offsets in @toc@h and @toc@ha expressions, and for consistency I did the same for all other @h and @ha relocs. Replacing @h with @high in one strategic location fixes the relocation errors. This has to be done conditionally since the assembler either supports @h or @high but not both. Cc: <stable@vger.kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> | 28 May 2014, 03:24:05 UTC |
efb27e7 | Dave Airlie | 27 May 2014, 23:18:32 UTC | Merge tag 'drm-intel-fixes-2014-05-27' of git://anongit.freedesktop.org/drm-intel into drm-fixes Fixes from Chris, all cc: stable. * tag 'drm-intel-fixes-2014-05-27' of git://anongit.freedesktop.org/drm-intel: drm/i915: Prevent negative relocation deltas from wrapping drm/i915: Only copy back the modified fields to userspace from execbuffer drm/i915: Fix dynamic allocation of physical handles | 27 May 2014, 23:18:32 UTC |
cd79bde | Linus Torvalds | 27 May 2014, 22:59:34 UTC | Merge branch 'for-linus' of git://git.kernel.dk/linux-block Pull virtio_blk fix from Jens Axboe: "There's a start/stop queue race in virtio_blk, which causes stalls and erratic behaviour for some. I've had this queued up for 3.16 for a while, but I think we should push it into the current series as well. So I cherry picked the commit and added a stable marker as well, so it can propagate down" * 'for-linus' of git://git.kernel.dk/linux-block: virtio_blk: fix race between start and stop queue | 27 May 2014, 22:59:34 UTC |
aa699a1 | Linus Torvalds | 27 May 2014, 22:58:20 UTC | Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull two timer fixes from Thomas Gleixner: "Two small fixlets for ARM SoC clocksource drivers: - avoid calling functions which might sleep from interrupt [disabled] context in tcb_clksrc used on Atmel SoCs - use irq_force_affinity() to pin the per cpu timer interrupt on a not yet online cpu in the SiRFprimaII driver" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource: tcb_clksrc: Make tc_mode interrupt safe clocksource: marco: Fix the affinity set for local timer of CPU1 | 27 May 2014, 22:58:20 UTC |
758b671 | Linus Torvalds | 27 May 2014, 20:59:24 UTC | Merge tag 'fixes-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "A slightly larger set of fixes than we'd like at this point in the release. Hopefully our very last batch before 3.15: OMAP: - Fix boot regression with CPU_IDLE enabled - Fixes for audio playback on OMAP5 - Clock rate setting fix for OMAP3 - Misc idle/PM fixes Exynos: - Removal of a couple of power domains to work around issues with access when they are powered down - Enabling missing highspeed-i2c driver to make MMC regulators work - Secondary CPU spin-up fix for 4212 - Remove MDMA1 engine to avoid conflicts on secure mode platforms - A few other DT fixes Marvell: - PCI-e fixes for clocks and resource allocation plus a few other smaller fixes, add a MAINTAINERS entry for reset drivers, etc" * tag 'fixes-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits) MAINTAINERS: Add reset controller framework entry ARM: trusted_foundations: fix compile error on non-SMP ARM: at91: sam9260: fix compilation issues ARM: mvebu: fix definitions of PCIe interfaces on Armada 38x ARM: imx: fix error handling in ipu device registration ARM: OMAP4: Fix the boot regression with CPU_IDLE enabled ARM: dts: Keep LDO4 always ON for exynos5250-arndale board ARM: dts: Fix SPI interrupt numbers for exynos5420 ARM: dts: fix incorrect ak8975 compatible for exynos4412-trats2 board ARM: OMAP2+: Fix DMA hang after off-idle ARM: OMAP2+: nand: Fix NAND on OMAP2 and OMAP3 boards ARM: dts: Remove g2d_pd node for exynos5420 ARM: dts: Remove mau_pd node for exynos5420 ARM: exynos_defconfig: enable HS-I2C to fix for mmc partition mount ARM: dts: disable MDMA1 node for exynos5420 ARM: EXYNOS: fix the secondary CPU boot of exynos4212 ARM: omap5: hwmod_data: Correct IDLEMODE for McPDM ARM: mvebu: mvebu-soc-id: keep clock enabled if PCIe unit is enabled ARM: mvebu: mvebu-soc-id: add missing clk_put() call ARM: at91/dt: sam9260: correct external trigger value ... | 27 May 2014, 20:59:24 UTC |
51d5665 | Linus Torvalds | 27 May 2014, 20:58:46 UTC | Merge tag 'pinctrl-v3.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pinctrl fix from Linus Walleij: "A single last pinctrl fix for the v3.15 series: the vt8500 driver was failing to update the output value when the combined set direction output and set value was executed" * tag 'pinctrl-v3.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: vt8500: Ensure value reg is updated when setting direction | 27 May 2014, 20:58:46 UTC |
c949ddf | Linus Torvalds | 27 May 2014, 20:57:00 UTC | Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma Pull slave-dmaengine fixes from Vinod Koul: "We have three small fixes. First one from Andy reverts the devm_request irq as we need to ensure the tasklet is killed after irq is freed, so we need to do free irq in our code. Other two from Arnd are fixing the compilation issue in omap and sa11x0 drivers with ARM randconfigs" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: sa11x0: remove broken #ifdef dmaengine: omap: hide filter_fn for built-in drivers dmaengine: dw: went back to plain {request,free}_irq() calls | 27 May 2014, 20:57:00 UTC |
1b0fe6b | Philipp Zabel | 27 May 2014, 13:58:09 UTC | MAINTAINERS: Add reset controller framework entry Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Olof Johansson <olof@lixom.net> | 27 May 2014, 17:59:58 UTC |
63d832c | Hannes Reinecke | 26 May 2014, 12:45:39 UTC | dm mpath: really fix lockdep warning lockdep complains about a circular locking. And indeed, we need to release the lock before calling dm_table_run_md_queue_async(). As such, commit 4cdd2ad ("dm mpath: fix lock order inconsistency in multipath_ioctl") must also be reverted in addition to fixing the lock order in the other dm_table_run_md_queue_async() callers. Reported-by: Bart van Assche <bvanassche@acm.org> Tested-by: Bart van Assche <bvanassche@acm.org> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Mike Snitzer <snitzer@redhat.com> | 27 May 2014, 14:46:01 UTC |
aa0818c | Ming Lei | 16 May 2014, 15:31:21 UTC | virtio_blk: fix race between start and stop queue When there isn't enough vring descriptor for adding to vq, blk-mq will be put as stopped state until some of pending descriptors are completed & freed. Unfortunately, the vq's interrupt may come just before blk-mq's BLK_MQ_S_STOPPED flag is set, so the blk-mq will still be kept as stopped even though lots of descriptors are completed and freed in the interrupt handler. The worst case is that all pending descriptors are freed in the interrupt handler, and the queue is kept as stopped forever. This patch fixes the problem by starting/stopping blk-mq with holding vq_lock. Cc: Jens Axboe <axboe@kernel.dk> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Ming Lei <tom.leiming@gmail.com> Cc: stable@kernel.org Signed-off-by: Jens Axboe <axboe@fb.com> Conflicts: drivers/block/virtio_blk.c | 27 May 2014, 14:41:10 UTC |
f1daa83 | Heinz Mauelshagen | 23 May 2014, 18:10:01 UTC | dm cache: always split discards on cache block boundaries The DM cache target cannot cope with discards that span multiple cache blocks, so each discard bio that spans more than one cache block must get split by the DM core. Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Acked-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org # v3.9+ | 27 May 2014, 14:33:05 UTC |
d23db88 | Chris Wilson | 23 May 2014, 06:48:08 UTC | drm/i915: Prevent negative relocation deltas from wrapping This is pure evil. Userspace, I'm looking at you SNA, repacks batch buffers on the fly after generation as they are being passed to the kernel for execution. These batches also contain self-referenced relocations as a single buffer encompasses the state commands, kernels, vertices and sampler. During generation the buffers are placed at known offsets within the full batch, and then the relocation deltas (as passed to the kernel) are tweaked as the batch is repacked into a smaller buffer. This means that userspace is passing negative relocations deltas, which subsequently wrap to large values if the batch is at a low address. The GPU hangs when it then tries to use the large value as a base for its address offsets, rather than wrapping back to the real value (as one would hope). As the GPU uses positive offsets from the base, we can treat the relocation address as the minimum address read by the GPU. For the upper bound, we trust that userspace will not read beyond the end of the buffer. So, how do we fix negative relocations from wrapping? We can either check that every relocation looks valid when we write it, and then position each object such that we prevent the offset wraparound, or we just special-case the self-referential behaviour of SNA and force all batches to be above 256k. Daniel prefers the latter approach. This fixes a GPU hang when it tries to use an address (relocation + offset) greater than the GTT size. The issue would occur quite easily with full-ppgtt as each fd gets its own VM space, so low offsets would often be handed out. However, with the rearrangement of the low GTT due to capturing the BIOS framebuffer, it is already affecting kernels 3.15 onwards. I think only IVB+ is susceptible to this bug, but the workaround should only kick in rarely, so it seems sensible to always apply it. v3: Use a bias for batch buffers to prevent small negative delta relocations from wrapping. v4 from Daniel: - s/BIAS/BATCH_OFFSET_BIAS/ - Extract eb_vma_misplaced/i915_vma_misplaced since the conditions were growing rather cumbersome. - Add a comment to eb_get_batch explaining why we do this. - Apply the batch offset bias everywhere but mention that we've only observed it on gen7 gpus. - Drop PIN_OFFSET_FIX for now, that slipped in from a feature patch. v5: Add static to eb_get_batch, spotted by 0-day tester. Testcase: igt/gem_bad_reloc Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=78533 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> (v3) Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> | 27 May 2014, 08:18:40 UTC |
9aab8bf | Chris Wilson | 23 May 2014, 09:45:52 UTC | drm/i915: Only copy back the modified fields to userspace from execbuffer We only want to modifiy a single field in the userspace view of the execbuffer command buffer, so explicitly change that rather than copy everything back again. This serves two purposes: 1. The single fields are much cheaper to copy (constant size so the copy uses special case code) and much smaller than the whole array. 2. We modify the array for internal use that need to be masked from the user. Note: We need this backported since without it the next bugfix will blow up when userspace recycles batchbuffers and relocations. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> | 27 May 2014, 08:18:39 UTC |
0073115 | Chris Wilson | 21 May 2014, 11:42:56 UTC | drm/i915: Fix dynamic allocation of physical handles A single object may be referenced by multiple registers fundamentally breaking the static allotment of ids in the current design. When the object is used the second time, the physical address of the first assignment is relinquished and a second one granted. However, the hardware is still reading (and possibly writing) to the old physical address now returned to the system. Eventually hilarity will ensue, but in the short term, it just means that cursors are broken when using more than one pipe. v2: Fix up leak of pci handle when handling an error during attachment, and avoid a double kmap/kunmap. (Ville) Rebase against -fixes. v3: And fix the error handling added in v2 (Ville) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=77351 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: stable@vger.kernel.org Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> | 27 May 2014, 08:18:39 UTC |
0f68f39 | Hans de Goede | 20 May 2014, 05:54:09 UTC | Input: synaptics - change min/max quirk table to pnp-id matching Most of the affected models share pnp-ids for the touchpad. So switching to pnp-ids give us 2 advantages: 1) It shrinks the quirk list 2) It will lower the new quirk addition frequency, ie the recently added W540 quirk would not have been necessary since it uses the same LEN0034 pnp ids as other models already added before it As an added bonus it actually puts the quirk on the actual psmouse, rather then on the machine, which is technically more correct. Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> | 26 May 2014, 22:02:00 UTC |
e2f6110 | Hans de Goede | 20 May 2014, 05:53:23 UTC | Input: synaptics - add a matches_pnp_id helper function This is a preparation patch for simplifying the min/max quirk table. Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> | 26 May 2014, 22:01:32 UTC |
6d396ed | Hans de Goede | 20 May 2014, 05:52:30 UTC | Input: synaptics - T540p - unify with other LEN0034 models The T540p has a touchpad with pnp-id LEN0034, all the models with this pnp-id have the same min/max values, except the T540p where the values are slightly off. Fix them to be identical. This is a preparation patch for simplifying the quirk table. Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> | 26 May 2014, 22:01:25 UTC |
9b961aa | Rafael J. Wysocki | 26 May 2014, 21:20:16 UTC | Merge branches 'pm-cpufreq' and 'acpi-thermal' * pm-cpufreq: cpufreq: cpu0: drop wrong devm usage cpufreq: remove race while accessing cur_policy * acpi-thermal: ACPI / thermal: fix workqueue destroy order | 26 May 2014, 21:20:16 UTC |
2807bd1 | Aaron Lu | 26 May 2014, 12:34:07 UTC | ACPI / thermal: fix workqueue destroy order When the thermal module is to be removed, we should destroy the wq acpi_thermal_pm_queue after the ACPI driver's remove callback is executed as we will need to flush the workqueue there, or a NULL pointer access will be hit. Reported-and-tested-by: Kui Zhang <kuizhang@gmail.com> References: http://www.spinics.net/lists/kernel/msg1747251.html Cc: All applicable <stable@vger.kernel.org> Signed-off-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 26 May 2014, 12:34:07 UTC |
66ef3fa | Gabor Juhos | 15 May 2014, 08:35:44 UTC | MIPS: RC32434: fix broken PCI resource initialization The parent field of the 'rc32434_res_pci_mem1' resource points to the resource itself which is obviously wrong. Due to the broken initialitazion, the PCI devices on the Mikrotik RB532 boards are not working since commit 22283178 (MIPS: avoid possible resource conflict in register_pci_controller). Remove the field initialization to fix the issue. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Reported-by: Waldemar Brodkorb <wbx@openadk.org> Cc: linux-mips@linux-mips.org Cc: Gabor Juhos <juhosg@openwrt.org> Patchwork: https://patchwork.linux-mips.org/patch/6940/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 26 May 2014, 07:02:06 UTC |
c720816 | Linus Torvalds | 25 May 2014, 23:06:00 UTC | Linux 3.15-rc7 | 25 May 2014, 23:06:00 UTC |
483a6c9 | Rabin Vincent | 24 May 2014, 16:38:01 UTC | ARM: 8064/1: fix v7-M signal return According to the ARM ARM, the behaviour is UNPREDICTABLE if the PC read from the exception return stack is not half word aligned. See the pseudo code for ExceptionReturn() and PopStack(). The signal handler's address has the bit 0 set, and setup_return() directly writes this to regs->ARM_pc. Current hardware happens to discard this bit, but QEMU's emulation doesn't and this makes processes crash. Mask out bit 0 before the exception return in order to get predictable behaviour. Fixes: 19c4d593f0b4 ("ARM: ARMv7-M: Add support for exception handling") Cc: stable@kernel.org Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 25 May 2014, 22:44:27 UTC |
fbebf59 | srinik | 15 May 2014, 10:28:44 UTC | ARM: 8057/1: amba: Add Qualcomm vendor ID. This patch adds Qualcomm amba vendor Id to the list. This ID is used in mmci driver. The ID selected in same lines like 0x41 is "A" for ARM, 0x51 is "Q" for Qualcomm. As there are no physical register on Qcom SOC for amba vendor id, this is a fake ID assigned based on "Q" prefix from Qualcomm. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 25 May 2014, 22:44:27 UTC |
8203d5b | Nikolay Borisov | 08 May 2014, 14:54:26 UTC | ARM: 8052/1: unwind: Fix handling of "Pop r4-r[4+nnn],r14" opcode The arm EABI states that unwind opcode 10100nnn means pop register r4-4[4+nnn],aditionally there is a similar unwind opcode: 10101nnn which means the same thing plus popping r14. Those two cases are handled by the unwind_exec_pop_r4_to_rN function which checks whether the 4th bit is set and does r14 popping. However, up until now it has been checking whether the 8th bit was set (mask & 0x80) instead of the 4th (mask & 0x8), a simple to make typo but this meant that we were always popping r14 even if we had the former opcode. This patch changes the mask so that the 2 unwind opcodes are being handled correctly. Signed-off-by: Nikolay Borisov <Nikolay.Borisov@arm.com> Reviewed-by: Anurag Aggarwal <anurag19aggarwal@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 25 May 2014, 22:44:26 UTC |
537094b | Andrey Ryabinin | 07 May 2014, 07:07:25 UTC | ARM: 8051/1: put_user: fix possible data corruption in put_user According to arm procedure call standart r2 register is call-cloberred. So after the result of x expression was put into r2 any following function call in p may overwrite r2. To fix this, the result of p expression must be saved to the temporary variable before the assigment x expression to __r2. Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com> Reviewed-by: Nicolas Pitre <nico@linaro.org> Cc: stable@vger.kernel.org Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 25 May 2014, 22:44:25 UTC |
f9ff907 | Rabin Vincent | 03 May 2014, 17:19:17 UTC | ARM: 8048/1: fix v7-M setup stack location __v7m_setup_stack currently sits in the .proc.info.init section, and thus creates a bogus proc info entry (which by the way matches any unknown CPU IDs, due to the entry's mask being 0). Move it out of there. Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 25 May 2014, 22:44:24 UTC |
db1003f | Linus Torvalds | 25 May 2014, 19:40:36 UTC | Merge branch 'afs' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs Pull AFS fixes and cleanups from David Howells: "Here are some patches to the AFS filesystem: 1) Fix problems in the clean-up parts of the cache manager service handler. 2) Split afs_end_call() introduced in (1) and replace some identical code elsewhere with a call to the first half of the split function. 3) Fix an error introduced in the workqueue PREPARE_WORK() elimination commits. 4) Clean up argument passing to functions called from the workqueue as there's now an insulating layer between them and the workqueue. This is possible from (3)" * 'afs' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: AFS: Pass an afs_call* to call->async_workfn() instead of a work_struct* AFS: Fix kafs module unloading AFS: Part of afs_end_call() is identical to code elsewhere, so split it AFS: Fix cache manager service handlers | 25 May 2014, 19:40:36 UTC |
ef0d2c1 | Linus Torvalds | 25 May 2014, 19:39:08 UTC | Merge branch 'rdunlap' (patches from Randy Dunlap) Merge documentation fixes from Randy Dunlap. * emailed patches from Randy Dunlap <rdunlap@infradead.org>: Documentation: update /proc/stat "intr" count summary Documentation: update java sample wrapper for java 7 Documentation: update thunderbird email client settings Documentation: fix typos in drm docbook | 25 May 2014, 19:39:08 UTC |
3568a1d | Jan Moskyto Matejka | 15 May 2014, 20:55:34 UTC | Documentation: update /proc/stat "intr" count summary The sum at the beginning of line "intr" includes also unnumbered interrupts. It implies that the sum at the beginning isn't the sum of the remainder of the line, not even an estimation. Fixed the documentation to mention that. This behaviour was added to /proc/stat in commit a2eddfa95919 ("x86: make /proc/stat account for all interrupts") Signed-off-by: Jan Moskyto Matejka <mq@suse.cz> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 25 May 2014, 19:39:00 UTC |
f76f133 | Jonathan Callen | 15 May 2014, 20:54:52 UTC | Documentation: update java sample wrapper for java 7 The sample wrapper currently fails on some Java 7 .class files. This updates the wrapper to properly handle those files. Signed-off-by: Jonathan Callen <jcallen@gentoo.org> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 25 May 2014, 19:39:00 UTC |
f9a0974 | Paul McQuade | 15 May 2014, 20:54:25 UTC | Documentation: update thunderbird email client settings Added setting to email-clients that is easier to read and is easier to setup thunderbird. Removed config settings and added GUI settings. Signed-off-by: Paul McQuade <paulmcquad@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 25 May 2014, 19:39:00 UTC |
f9b899c | Masanari Iida | 15 May 2014, 20:54:06 UTC | Documentation: fix typos in drm docbook Fix spelling typo in DocBook/drm.tmpl Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 25 May 2014, 19:39:00 UTC |
f016a64 | Linus Torvalds | 25 May 2014, 17:20:36 UTC | Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging Pull hwmon subsystem fixes from Jean Delvare. * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (ntc_thermistor) Fix OF device ID mapping hwmon: (ntc_thermistor) Fix dependencies hwmon: Document temp[1-*]_min_hyst sysfs attribute | 25 May 2014, 17:20:36 UTC |
0e37c27 | Linus Torvalds | 25 May 2014, 17:13:50 UTC | Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull single scsi fix from James Bottomley: "This is a single fix for a bug exposed by a sysfs change in 3.13 which now causes libsas to trigger a warn on in device removal" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: [SCSI] scsi_transport_sas: move bsg destructor into sas_rphy_remove | 25 May 2014, 17:13:50 UTC |
80a1de2 | Linus Torvalds | 25 May 2014, 17:08:48 UTC | Merge branch 'for-3.15' of git://linux-nfs.org/~bfields/linux Pull two nfsd bugfixes from Bruce Fields: "Just two bugfixes, one for a merge-window-introduced ACL regression, the other for a longer-standing v4 state bug" * 'for-3.15' of git://linux-nfs.org/~bfields/linux: nfsd4: warn on finding lockowner without stateid's nfsd4: remove lockowner when removing lock stateid nfsd4: fix corruption on setting an ACL. | 25 May 2014, 17:08:48 UTC |
ead82d6 | Jean Delvare | 25 May 2014, 15:23:08 UTC | hwmon: (ntc_thermistor) Fix OF device ID mapping The mapping from OF device IDs to platform device IDs is wrong. TYPE_NCPXXWB473 is 0, TYPE_NCPXXWL333 is 1, so ntc_thermistor_id[TYPE_NCPXXWB473] is { "ncp15wb473", TYPE_NCPXXWB473 } while ntc_thermistor_id[TYPE_NCPXXWL333] is { "ncp18wb473", TYPE_NCPXXWB473 }. So the name is wrong for all but the "ntc,ncp15wb473" entry, and the type is wrong for the "ntc,ncp15wl333" entry. So map the entries by index, it is neither elegant nor robust but at least it is correct. Signed-off-by: Jean Delvare <jdelvare@suse.de> Fixes: 9e8269de hwmon: (ntc_thermistor) Add DT with IIO support to NTC thermistor driver Reviewed-by: Guenter Roeck <linux@roeck-us.net> Cc: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Cc: Doug Anderson <dianders@chromium.org> | 25 May 2014, 15:23:08 UTC |
59cf424 | Jean Delvare | 25 May 2014, 15:23:08 UTC | hwmon: (ntc_thermistor) Fix dependencies In commit 9e8269de, support was added for ntc_thermistor devices being declared in the device tree and implemented on top of IIO. With that change, a dependency was added to the ntc_thermistor driver: depends on (!OF && !IIO) || (OF && IIO) This construct has the drawback that the driver can no longer be selected when OF is set and IIO isn't, nor when IIO is set and OF is not. This is a regression for the original users of the driver. As the new code depends on IIO and is useless without OF, include it only if both are enabled, and set the dependencies accordingly. This is clearer, more simple and more correct. Signed-off-by: Jean Delvare <jdelvare@suse.de> Fixes: 9e8269de hwmon: (ntc_thermistor) Add DT with IIO support to NTC thermistor driver Reviewed-by: Guenter Roeck <linux@roeck-us.net> Cc: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Cc: Doug Anderson <dianders@chromium.org> | 25 May 2014, 15:23:08 UTC |
0132514 | Jean Delvare | 25 May 2014, 15:23:07 UTC | hwmon: Document temp[1-*]_min_hyst sysfs attribute The temp[1-*]_min_hyst sysfs attribute is already implemented by 3 hwmon drivers (adt7x10, lm77 and lm92) but was missing from the standard interface. Also add temp[1-*]_lcrit_hyst for consistency, even though no driver implement that one for the time being. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> | 25 May 2014, 15:23:07 UTC |
2ff89d6 | Markos Chandras | 23 May 2014, 12:31:31 UTC | MIPS: malta: memory.c: Initialize the 'memsize' variable If the 'memsize' environmental variable is not set by the bootloader the 'memsize' variable is not initialized, leading to potential memory problems. This patch fixes the problem by setting the initial value to '0' to force the kernel to set a good default memory size. Cc: <stable@vger.kernel.org> # v3.15+ Reported-by: Matheus Almeida <Matheus.Almeida@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Markos Chandras <markos.chandras@imgtec.com> Cc: stable@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/6984/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 25 May 2014, 10:46:24 UTC |
721a920 | Markos Chandras | 21 May 2014, 11:35:00 UTC | MIPS: Fix typo when reporting cache and ftlb errors for ImgTec cores Introduced by the following two commits: 75b5b5e0a262790fa11043fe45700499c7e3d818 "MIPS: Add support for FTLBs" 6de20451857ed14a4eecc28d08f6de5925d1cf96 "MIPS: Add printing of ES bit for Imgtec cores when cache error occurs" Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Reported-by: Matheus Almeida <Matheus.Almeida@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Markos Chandras <markos.chandras@imgtec.com> Cc: stable@vger.kernel.org # v3.14+ Patchwork: https://patchwork.linux-mips.org/patch/6980/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 25 May 2014, 10:45:06 UTC |
defb79f | Huacai Chen | 25 May 2014, 02:00:36 UTC | MIPS: Fix inconsistancy of __NR_Linux_syscalls value Originally, __NR_O32_Linux_syscalls, __NR_N32_Linux_syscalls and __NR_64_Linux_syscalls have the same values as __NR_Linux_syscalls in corresponding ABIs. But after commit 367f0b50e502d (MIPS: Wire up renameat2 syscall) they are not the same. I think this is incorrect and need a fix. Signed-off-by: Huacai Chen <chenhc@lemote.com> Cc: John Crispin <john@phrozen.org> Cc: Steven J. Hill <Steven.Hill@imgtec.com> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: linux-mips@linux-mips.org Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/6987/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 25 May 2014, 10:43:26 UTC |
0374300 | Linus Torvalds | 23 May 2014, 23:52:15 UTC | Merge tag 'dmaengine-fixes-3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine Pull dmaengine fixes from Dan Williams: "Two fixes for -stable: - async_mult() sometimes maps less buffers than initially requested. We end up freeing dmaengine_unmap_data on an invalid pool. - mv_xor: register write ordering fix" * tag 'dmaengine-fixes-3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine: dmaengine: fix dmaengine_unmap failure dma: mv_xor: Flush descriptors before activating a channel | 23 May 2014, 23:52:15 UTC |
1ee1cea | Linus Torvalds | 23 May 2014, 22:41:52 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc Pull sparc fixes from David Miller: "A small bunch of bug fixes, in particular: 1) On older cpus we need a different chunk of virtual address space to map the huge page TSB. 2) Missing memory barrier in Niagara2 memcpy. 3) trinity showed some places where fault validation was unnecessarily loud on sparc64 4) Some sysfs printf's need a type adjustment, from Toralf Förster" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: fix format string mismatch in arch/sparc/kernel/sysfs.c sparc64: Add membar to Niagara2 memcpy code. sparc64: Fix huge TSB mapping on pre-UltraSPARC-III cpus. sparc64: Don't bark so loudly about 32-bit tasks generating 64-bit fault addresses. | 23 May 2014, 22:41:52 UTC |
5fa6a68 | Linus Torvalds | 23 May 2014, 22:29:43 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Pull networking fixes from David Miller: "It looks like a sizeble collection but this is nearly 3 weeks of bug fixing while you were away. 1) Fix crashes over IPSEC tunnels with NAT, the latter can reroute the packet through a non-IPSEC protected path and the code has to be able to handle SKBs attached to routes lacking an attached xfrm state. From Steffen Klassert. 2) Fix OOPSs in ipv4 and ipv6 ipsec layers for unsupported sub-protocols, also from Steffen Klassert. 3) Set local_df on fragmented netfilter skbs otherwise we won't be able to forward successfully, from Florian Westphal. 4) cdc_mbim ipv6 neighbour code does __vlan_find_dev_deep without holding RCU lock, from Bjorn Mork. 5) local_df test in ip_may_fragment is inverted, from Florian Westphal. 6) jme driver doesn't check for DMA mapping failures, from Neil Horman. 7) qlogic driver doesn't calculate number of TX queues properly, from Shahed Shaikh. 8) fib_info_cnt can drift irreversibly positive if we fail to allocate the fi->fib_metrics array, from Sergey Popovich. 9) Fix use after free in ip6_route_me_harder(), also from Sergey Popovich. 10) When SYSCTL is disabled, we don't handle local_port_range and ping_group_range defaults properly at all, from Cong Wang. 11) Unaccelerated VLAN tagged frames improperly handled by cdc_mbim driver, fix from Bjorn Mork. 12) cassini driver needs nested lock annotations for TX locking, from Emil Goode. 13) On init error ipv6 VTI driver can unregister pernet ops twice, oops. Fix from Mahtias Krause. 14) If macvlan device is down, don't propagate IFF_ALLMULTI changes, from Peter Christensen. 15) Missing NULL pointer check while parsing netlink config options in ip6_tnl_validate(). From Susant Sahani. 16) Fix handling of neighbour entries during ipv6 router reachability probing, from Duan Jiong. 17) x86 and s390 JIT address randomization has some address calculation bugs leading to crashes, from Alexei Starovoitov and Heiko Carstens. 18) Clear up those uglies with nop patching and net_get_random_once(), from Hannes Frederic Sowa. 19) Option length miscalculated in ip6_append_data(), fix also from Hannes Frederic Sowa. 20) A while ago we fixed a race during device unregistry when a namespace went down, turns out there is a second place that needs similar protection. From Cong Wang. 21) In the new Altera TSE driver multicast filtering isn't working, disable it and just use promisc mode until the cause is found. From Vince Bridgers. 22) When we disable router enabling in ipv6 we have to flush the cached routes explicitly, from Duan Jiong. 23) NBMA tunnels should not cache routes on the tunnel object because the key is variable, from Timo Teräs. 24) With stacked devices GRO information in skb->cb[] can be not setup properly, make sure it is in all code paths. From Eric Dumazet. 25) Really fix stacked vlan locking, multiple levels of nesting with intervening non-vlan devices are possible. From Vlad Yasevich. 26) Fallback ipip tunnel device's mtu is not setup properly, from Steffen Klassert. 27) The packet scheduler's tcindex filter can crash because we structure copy objects with list_head's inside, oops. From Cong Wang. 28) Fix CHECKSUM_COMPLETE handling for ipv6 GRE tunnels, from Eric Dumazet. 29) In some configurations 'itag' in __mkroute_input() can end up being used uninitialized because of how fib_validate_source() works. Fix it by explitly initializing itag to zero like all the other fib_validate_source() callers do, from Li RongQing" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (116 commits) batman: fix a bogus warning from batadv_is_on_batman_iface() ipv4: initialise the itag variable in __mkroute_input bonding: Send ALB learning packets using the right source bonding: Don't assume 802.1Q when sending alb learning packets. net: doc: Update references to skb->rxhash stmmac: Remove unbalanced clk_disable call ipv6: gro: fix CHECKSUM_COMPLETE support net_sched: fix an oops in tcindex filter can: peak_pci: prevent use after free at netdev removal ip_tunnel: Initialize the fallback device properly vlan: Fix build error wth vlan_get_encap_level() can: c_can: remove obsolete STRICT_FRAME_ORDERING Kconfig option MAINTAINERS: Pravin Shelar is Open vSwitch maintainer. bnx2x: Convert return 0 to return rc bonding: Fix alb mode to only use first level vlans. bonding: Fix stacked device detection in arp monitoring macvlan: Fix lockdep warnings with stacked macvlan devices vlan: Fix lockdep warning with stacked vlan devices. net: Allow for more then a single subclass for netif_addr_lock net: Find the nesting level of a given device by type. ... | 23 May 2014, 22:29:43 UTC |
72b1c2c | Valentin Ilie | 22 April 2014, 13:15:54 UTC | clk: st: Fix memory leak When it fails to allocate div, gate should be free'd before return Signed-off-by: Valentin Ilie <valentin.ilie@gmail.com> Signed-off-by: Mike Turquette <mturquette@linaro.org> | 23 May 2014, 22:13:32 UTC |
5644b42 | Arnd Bergmann | 23 May 2014, 21:59:28 UTC | Merge tag 'samsung-fixes-2nd-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes Samsung-fixes-2 for 3.15 - keep LD04 always on for exynos5250-arndale - fix spi interrupt numbers for exynos5420 - fix ak8975 compatible for exynos4412-trats2 * tag 'samsung-fixes-2nd-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: dts: Keep LDO4 always ON for exynos5250-arndale board ARM: dts: Fix SPI interrupt numbers for exynos5420 ARM: dts: fix incorrect ak8975 compatible for exynos4412-trats2 board Signed-off-by: Arnd Bergmann <arnd@arndb.de> | 23 May 2014, 21:59:28 UTC |
fe52e75 | Maxime COQUELIN | 07 May 2014, 16:48:52 UTC | clk: divider: Fix table round up function Commit 1d9fe6b97 ("clk: divider: Fix best div calculation for power-of-two and table dividers") introduces a regression in its _table_round_up function. When the divider passed to this function is greater than the max divider available in the table, this function returns table's max divider. Problem is that it causes an infinite loop in clk_divider_bestdiv() because _next_div() will never return a value greater than maxdiv. Instead of returning table's max divider, this patch returns INT_MAX. Reported-by: Fabio Estevam <festevam@gmail.com> Reported-by: Shawn Guo <shawn.guo@freescale.com> Tested-by: Fabio Estevam <festevam@gmail.com> Tested-by: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com> Signed-off-by: Mike Turquette <mturquette@linaro.org> | 23 May 2014, 21:27:31 UTC |
3aae97c | Alexandre Courbot | 23 May 2014, 00:23:32 UTC | ARM: trusted_foundations: fix compile error on non-SMP The setup_max_cpus variable is only defined if CONFIG_SMP is set. Add a preprocessor condition to avoid the following compilation error if CONFIG_SMP is not set: arch/arm/include/asm/trusted_foundations.h: In function 'register_trusted_foundations': arch/arm/include/asm/trusted_foundations.h:57:2: error: 'setup_max_cpus' undeclared (first use in this function) Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> | 23 May 2014, 19:28:11 UTC |
f02f79d | Linus Torvalds | 23 May 2014, 17:04:04 UTC | Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "The biggest commit is an irqtime accounting loop latency fix, the rest are misc fixes all over the place: deadline scheduling, docs, numa, balancer and a bad to-idle latency fix" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/numa: Initialize newidle balance stats in sd_numa_init() sched: Fix updating rq->max_idle_balance_cost and rq->next_balance in idle_balance() sched: Skip double execution of pick_next_task_fair() sched: Use CPUPRI_NR_PRIORITIES instead of MAX_RT_PRIO in cpupri check sched/deadline: Fix memory leak sched/deadline: Fix sched_yield() behavior sched: Sanitize irq accounting madness sched/docbook: Fix 'make htmldocs' warnings caused by missing description | 23 May 2014, 17:04:04 UTC |
e6a32c3 | Linus Torvalds | 23 May 2014, 17:02:34 UTC | Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "The biggest changes are fixes for races that kept triggering Trinity crashes, plus liblockdep build fixes and smaller misc fixes. The liblockdep bits in perf/urgent are a pull mistake - they should have been in locking/urgent - but by the time I noticed other commits were added and testing was done :-/ Sorry about that" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix a race between ring_buffer_detach() and ring_buffer_attach() perf: Prevent false warning in perf_swevent_add perf: Limit perf_event_attr::sample_period to 63 bits tools/liblockdep: Remove all build files when doing make clean tools/liblockdep: Build liblockdep from tools/Makefile perf/x86/intel: Fix Silvermont's event constraints perf: Fix perf_event_init_context() perf: Fix race in removing an event | 23 May 2014, 17:02:34 UTC |
2b2d323 | Linus Torvalds | 23 May 2014, 16:41:33 UTC | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux Pull drm radeon and nouveau fixes from Dave Airlie: "Fixes for the other big two. The radeon VCE one is large but it fixes some userspace triggerable issues, otherwise its blackscreens and oopses. Nouveau fixes a bleeding laptop panel issue when displayport is used sometimes" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon/pm: don't allow debugfs/sysfs access when PX card is off (v2) drm/radeon: avoid segfault on device open when accel is not working. drm/radeon: fix typo in finding PLL params drm/radeon: fix register typo on si drm/radeon: fix buffer placement under memory pressure v2 drm/radeon: fix page directory update size estimation drm/radeon: handle non-VGA class pci devices with ATRM drm/radeon: fix DCE83 check for mullins drm/radeon: check VCE relocation buffer range v3 drm/radeon: also try GART for CPU accessed buffers drm/gf119-/disp: fix nasty bug which can clobber SOR0's clock setup drm/nvd9/therm: handle another kind of PWM fan | 23 May 2014, 16:41:33 UTC |
fc3ac5c | Linus Torvalds | 23 May 2014, 16:38:07 UTC | Merge branch 'akpm' (incoming from Andrew) Merge misc fixes from Andrew Morton: "9 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: MAINTAINERS: add closing angle bracket to Vince Bridgers' email address Documentation: fix DOCBOOKS=... building ocfs2: fix double kmem_cache_destroy in dlm_init mm/memory-failure.c: fix memory leak by race between poison and unpoison wait: swap EXIT_ZOMBIE(Z) and EXIT_DEAD(X) chars in TASK_STATE_TO_CHAR_STR memcg: fix swapcache charge from kernel thread context mm: madvise: fix MADV_WILLNEED on shmem swapouts mm/filemap.c: avoid always dirtying mapping->flags on O_DIRECT hwpoison, hugetlb: lock_page/unlock_page does not match for handling a free hugepage | 23 May 2014, 16:38:07 UTC |
0d9327a | Tobias Klauser | 22 May 2014, 18:54:24 UTC | MAINTAINERS: add closing angle bracket to Vince Bridgers' email address Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Cc: Vince Bridgers <vbridgers2013@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 23 May 2014, 16:37:30 UTC |
e60cbee | Johannes Berg | 22 May 2014, 18:54:23 UTC | Documentation: fix DOCBOOKS=... building Prior to commit 4266129964b8 ("[media] DocBook: Move all media docbook stuff into its own directory") it was possible to build only a single (or more) book(s) by calling, for example make htmldocs DOCBOOKS=80211.xml This now fails: cp: target `.../Documentation/DocBook//media_api' is not a directory Ignore errors from that copy to make this possible again. Fixes: 4266129964b8 ("[media] DocBook: Move all media docbook stuff into its own directory") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 23 May 2014, 16:37:30 UTC |
66db6cf | Joseph Qi | 22 May 2014, 18:54:22 UTC | ocfs2: fix double kmem_cache_destroy in dlm_init In dlm_init, if create dlm_lockname_cache failed in dlm_init_master_caches, it will destroy dlm_lockres_cache which created before twice. And this will cause system die when loading modules. Signed-off-by: Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 23 May 2014, 16:37:30 UTC |
3e030ec | Naoya Horiguchi | 22 May 2014, 18:54:21 UTC | mm/memory-failure.c: fix memory leak by race between poison and unpoison When a memory error happens on an in-use page or (free and in-use) hugepage, the victim page is isolated with its refcount set to one. When you try to unpoison it later, unpoison_memory() calls put_page() for it twice in order to bring the page back to free page pool (buddy or free hugepage list). However, if another memory error occurs on the page which we are unpoisoning, memory_failure() returns without releasing the refcount which was incremented in the same call at first, which results in memory leak and unconsistent num_poisoned_pages statistics. This patch fixes it. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: <stable@vger.kernel.org> [2.6.32+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 23 May 2014, 16:37:30 UTC |