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5611cc4 Linus Torvalds01 December 2011, 22:56:01 UTCLinux 3.2-rc401 December 2011, 22:56:01 UTC
0a4ebed Linus Torvalds01 December 2011, 22:55:34 UTCMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: (31 commits) ocfs2: avoid unaligned access to dqc_bitmap ocfs2: Use filemap_write_and_wait() instead of write_inode_now() ocfs2: honor O_(D)SYNC flag in fallocate ocfs2: Add a missing journal credit in ocfs2_link_credits() -v2 ocfs2: send correct UUID to cleancache initialization ocfs2: Commit transactions in error cases -v2 ocfs2: make direntry invalid when deleting it fs/ocfs2/dlm/dlmlock.c: free kmem_cache_zalloc'd data using kmem_cache_free ocfs2: Avoid livelock in ocfs2_readpage() ocfs2: serialize unaligned aio ocfs2: Implement llseek() ocfs2: Fix ocfs2_page_mkwrite() ocfs2: Add comment about orphan scanning ocfs2: Clean up messages in the fs ocfs2/cluster: Cluster up now includes network connections too ocfs2/cluster: Add new function o2net_fill_node_map() ocfs2/cluster: Fix output in file elapsed_time_in_ms ocfs2/dlm: dlmlock_remote() needs to account for remastery ocfs2/dlm: Take inflight reference count for remotely mastered resources too ocfs2/dlm: Cleanup dlm_wait_for_node_death() and dlm_wait_for_node_recovery() ...01 December 2011, 22:55:34 UTC
9392557 Akinobu Mita15 November 2011, 22:56:34 UTCocfs2: avoid unaligned access to dqc_bitmap The dqc_bitmap field of struct ocfs2_local_disk_chunk is 32-bit aligned, but not 64-bit aligned. The dqc_bitmap is accessed by ocfs2_set_bit(), ocfs2_clear_bit(), ocfs2_test_bit(), or ocfs2_find_next_zero_bit(). These are wrapper macros for ext2_*_bit() which need to take an unsigned long aligned address (though some architectures are able to handle unaligned address correctly) So some 64bit architectures may not be able to access the dqc_bitmap correctly. This avoids such unaligned access by using another wrapper functions for ext2_*_bit(). The code is taken from fs/ext4/mballoc.c which also need to handle unaligned bitmap access. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Joel Becker <jlbec@evilplan.org>01 December 2011, 22:39:32 UTC
3b120ab Linus Torvalds01 December 2011, 19:53:54 UTCMerge branch 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm * 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: ARM: 7182/1: ARM cpu topology: fix warning ARM: 7181/1: Restrict kprobes probing SWP instructions to ARMv5 and below ARM: 7180/1: Change kprobes testcase with unpredictable STRD instruction ARM: 7177/1: GIC: avoid skipping non-existent PPIs in irq_start calculation ARM: 7176/1: cpu_pm: register GIC PM notifier only once ARM: 7175/1: add subname parameter to mfp_set_groupg callers ARM: 7174/1: Fix build error in kprobes test code on Thumb2 kernels ARM: 7172/1: dma: Drop GFP_COMP for DMA memory allocations ARM: 7171/1: unwind: add unwind directives to bitops assembly macros ARM: 7170/2: fix compilation breakage in entry-armv.S ARM: 7168/1: use cache type functions for arch_get_unmapped_area ARM: perf: check that we have a platform device when reserving PMU ARM: 7166/1: Use PMD_SHIFT instead of PGDIR_SHIFT in dma-consistent.c ARM: 7165/2: PL330: Fix typo in _prepare_ccr() ARM: 7163/2: PL330: Only register usable channels ARM: 7162/1: errata: tidy up Kconfig options for PL310 errata workarounds ARM: 7161/1: errata: no automatic store buffer drain ARM: perf: initialise used_mask for fake PMU during validation ARM: PMU: remove pmu_init declaration ARM: PMU: re-export release_pmu symbol to modules01 December 2011, 19:53:54 UTC
b930c26 Linus Torvalds01 December 2011, 16:28:53 UTCMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: fix meta data raid-repair merge problem Btrfs: skip allocation attempt from empty cluster Btrfs: skip block groups without enough space for a cluster Btrfs: start search for new cluster at the beginning Btrfs: reset cluster's max_size when creating bitmap Btrfs: initialize new bitmaps' list Btrfs: fix oops when calling statfs on readonly device Btrfs: Don't error on resizing FS to same size Btrfs: fix deadlock on metadata reservation when evicting a inode Fix URL of btrfs-progs git repository in docs btrfs scrub: handle -ENOMEM from init_ipath()01 December 2011, 16:28:53 UTC
f4a8e65 Jan Schmidt01 December 2011, 14:30:36 UTCBtrfs: fix meta data raid-repair merge problem Commit 4a54c8c16 introduced raid-repair, killing the individual readpage_io_failed_hook entries from inode.c and disk-io.c. Commit 4bb31e92 introduced new readahead code, adding a readpage_io_failed_hook to disk-io.c. The raid-repair commit had logic to disable raid-repair, if readpage_io_failed_hook is set. Thus, the readahead commit effectively disabled raid-repair for meta data. This commit changes the logic to always attempt raid-repair when needed and call the readpage_io_failed_hook in case raid-repair fails. This is much more straight forward and should have been like that from the beginning. Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net> Reported-by: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Chris Mason <chris.mason@oracle.com>01 December 2011, 14:30:36 UTC
11d814a Linus Torvalds01 December 2011, 00:25:02 UTCMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB: Fix RCU lockdep splats IB/ipoib: Prevent hung task or softlockup processing multicast response IB/qib: Fix over-scheduling of QSFP work RDMA/cxgb4: Fix retry with MPAv1 logic for MPAv2 RDMA/cxgb4: Fix iw_cxgb4 count_rcqes() logic IB/qib: Don't use schedule_work()01 December 2011, 00:25:02 UTC
c290b2f Linus Torvalds01 December 2011, 00:24:43 UTCMerge branch 'dt-for-linus' of git://sources.calxeda.com/kernel/linux * 'dt-for-linus' of git://sources.calxeda.com/kernel/linux: of: Add Silicon Image vendor prefix of/irq: of_irq_init: add check for parent equal to child node01 December 2011, 00:24:43 UTC
d6e92d3 Linus Torvalds01 December 2011, 00:24:24 UTCMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: twl: fix twl4030 support for smps regulators regulator: fix use after free bug regulator: aat2870: Fix the logic of checking if no id is matched in aat2870_get_regulator01 December 2011, 00:24:24 UTC
cd5b49b Linus Torvalds01 December 2011, 00:23:59 UTCMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits) ARM: ux500: update defconfig ARM: u300: update defconfig ARM: at91: enable additional boards in existing soc defconfig files ARM: at91: refresh soc defconfig files for 3.2 ARM: at91: rename defconfig files appropriately ARM: OMAP2+: Fix Compilation error when omap_l3_noc built as module ARM: OMAP2+: Remove empty io.h ARM: OMAP2: select ARM_AMBA if OMAP3_EMU is defined ARM: OMAP: smartreflex: fix IRQ handling bug ARM: OMAP: PM: only register TWL with voltage layer when device is present ARM: OMAP: hwmod: Fix the addr space, irq, dma count APIs arm: mx28: fix bit operation in clock setting ARM: imx: export imx_ioremap ARM: imx/mm-imx3: conditionally compile i.MX31 and i.MX35 code ARM: mx5: Fix checkpatch warnings in cpu-imx5.c MAINTAINERS: Add missing directory ARM: imx: drop 'ARCH_MX31' and 'ARCH_MX35' ARM: imx6q: move clock register map to machine_desc.map_io ARM: pxa168/gplugd: add the correct SSP device ARM: Update mach-types to fix mxs build breakage ...01 December 2011, 00:23:59 UTC
4cbd6b1 Vincent Guittot29 November 2011, 14:50:20 UTCARM: 7182/1: ARM cpu topology: fix warning kernel/sched.c:7354:2: warning: initialization from incompatible pointer type Align cpu_coregroup_mask prototype interface with sched_domain_mask_f typedef use int cpu instead of unsigned int cpu Cc: <stable@vger.kernel.org> Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>30 November 2011, 23:55:21 UTC
b5bed7f Jon Medhurst (Tixy)29 November 2011, 07:16:02 UTCARM: 7181/1: Restrict kprobes probing SWP instructions to ARMv5 and below The SWP instruction is deprecated on ARMv6 and with ARMv7 it will be UNDEFINED when CONFIG_SWP_EMULATE is selected. In this case, probing a SWP instruction will cause an oops when the kprobes emulation code executes an undefined instruction. As the SWP instruction should be rare or non-existent in kernels for ARMv6 and later, we can simply avoid these problems by not allowing probing of these. Reported-by: Leif Lindholm <leif.lindholm@arm.com> Tested-by: Leif Lindholm <leif.lindholm@arm.com> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Jon Medhurst <tixy@yxit.co.uk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>30 November 2011, 23:54:54 UTC
14383c2 Jon Medhurst (Tixy)29 November 2011, 07:14:35 UTCARM: 7180/1: Change kprobes testcase with unpredictable STRD instruction There is a kprobes testcase for the instruction "strd r2, [r3], r4". This has unpredictable behaviour as it uses r3 for register writeback addressing and also stores it to memory. On a cortex A9, this testcase would fail because the instruction writes the updated value of r3 to memory, whereas the kprobes emulation code writes the original value. Fix this by changing testcase to used r5 instead of r3. Reported-by: Leif Lindholm <leif.lindholm@arm.com> Tested-by: Leif Lindholm <leif.lindholm@arm.com> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Jon Medhurst <tixy@yxit.co.uk> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>30 November 2011, 23:54:53 UTC
be064d1 Alexandre Oliva30 November 2011, 18:43:00 UTCBtrfs: skip allocation attempt from empty cluster If we don't have a cluster, don't bother trying to allocate from it, jumping right away to the attempt to allocate a new cluster. Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br> Signed-off-by: Chris Mason <chris.mason@oracle.com>30 November 2011, 18:43:00 UTC
425d831 Alexandre Oliva30 November 2011, 18:43:00 UTCBtrfs: skip block groups without enough space for a cluster We test whether a block group has enough free space to hold the requested block, but when we're doing clustered allocation, we can save some cycles by testing whether it has enough room for the cluster upfront, otherwise we end up attempting to set up a cluster and failing. Only in the NO_EMPTY_SIZE loop do we attempt an unclustered allocation, and by then we'll have zeroed the cluster size, so this patch won't stop us from using the block group as a last resort. Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br> Signed-off-by: Chris Mason <chris.mason@oracle.com>30 November 2011, 18:43:00 UTC
1b22bad Alexandre Oliva30 November 2011, 18:43:00 UTCBtrfs: start search for new cluster at the beginning Instead of starting at zero (offset is always zero), request a cluster starting at search_start, that denotes the beginning of the current block group. Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br> Signed-off-by: Chris Mason <chris.mason@oracle.com>30 November 2011, 18:43:00 UTC
b78d09b Alexandre Oliva30 November 2011, 18:43:00 UTCBtrfs: reset cluster's max_size when creating bitmap The field that indicates the size of the largest contiguous chunk of free space in the cluster is not initialized when setting up bitmaps, it's only increased when we find a larger contiguous chunk. We end up retaining a larger value than appropriate for highly-fragmented clusters, which may cause pointless searches for large contiguous groups, and even cause clusters that do not meet the density requirements to be set up. Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br> Signed-off-by: Chris Mason <chris.mason@oracle.com>30 November 2011, 18:43:00 UTC
f2d0f67 Alexandre Oliva28 November 2011, 14:04:43 UTCBtrfs: initialize new bitmaps' list We're failing to create clusters with bitmaps because setup_cluster_no_bitmap checks that the list is empty before inserting the bitmap entry in the list for setup_cluster_bitmap, but the list field is only initialized when it is restored from the on-disk free space cache, or when it is written out to disk. Besides a potential race condition due to the multiple use of the list field, filesystem performance severely degrades over time: as we use up all non-bitmap free extents, the try-to-set-up-cluster dance is done at every metadata block allocation. For every block group, we fail to set up a cluster, and after failing on them all up to twice, we fall back to the much slower unclustered allocation. To make matters worse, before the unclustered allocation, we try to create new block groups until we reach the 1% threshold, which introduces additional bitmaps and thus block groups that we'll iterate over at each metadata block request.30 November 2011, 17:46:06 UTC
b772a86 Li Zefan28 November 2011, 08:43:00 UTCBtrfs: fix oops when calling statfs on readonly device To reproduce this bug: # dd if=/dev/zero of=img bs=1M count=256 # mkfs.btrfs img # losetup -r /dev/loop1 img # mount /dev/loop1 /mnt OOPS!! It triggered BUG_ON(!nr_devices) in btrfs_calc_avail_data_space(). To fix this, instead of checking write-only devices, we check all open deivces: # df -h /dev/loop1 Filesystem Size Used Avail Use% Mounted on /dev/loop1 250M 28K 238M 1% /mnt Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>30 November 2011, 17:46:05 UTC
ece7d20 Mike Fleetwood18 November 2011, 18:55:01 UTCBtrfs: Don't error on resizing FS to same size It seems overly harsh to fail a resize of a btrfs file system to the same size when a shrink or grow would succeed. User app GParted trips over this error. Allow it by bypassing the shrink or grow operation. Signed-off-by: Mike Fleetwood <mike.fleetwood@googlemail.com>30 November 2011, 17:46:04 UTC
aa38a71 Miao Xie18 November 2011, 09:43:00 UTCBtrfs: fix deadlock on metadata reservation when evicting a inode When I ran the xfstests, I found the test tasks was blocked on meta-data reservation. By debugging, I found the reason of this bug: start transaction | v reserve meta-data space | v flush delay allocation -> iput inode -> evict inode ^ | | v wait for delay allocation flush <- reserve meta-data space And besides that, the flush on evicting inode will block the thread, which is reclaiming the memory, and make oom happen easily. Fix this bug by skipping the flush step when evicting inode. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>30 November 2011, 17:46:03 UTC
b52f75a Arnd Hannemann16 November 2011, 16:35:37 UTCFix URL of btrfs-progs git repository in docs The location of the btrfs-progs repository has been changed. This patch updates the documentation accordingly. Signed-off-by: Arnd Hannemann <arnd@arndnet.de>30 November 2011, 17:46:02 UTC
26bdef5 Dan Carpenter16 November 2011, 08:28:01 UTCbtrfs scrub: handle -ENOMEM from init_ipath() init_ipath() can return an ERR_PTR(-ENOMEM). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>30 November 2011, 17:46:01 UTC
a493f1a Roland Dreier30 November 2011, 02:01:53 UTCMerge branches 'cxgb4', 'ipoib', 'misc' and 'qib' into for-next30 November 2011, 02:01:53 UTC
8cd7920 Linus Torvalds29 November 2011, 22:43:22 UTCMerge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm * 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM: Update comments describing device power management callbacks PM / Sleep: Update documentation related to system wakeup PM / Runtime: Make documentation follow the new behavior of irq_safe PM / Sleep: Correct inaccurate information in devices.txt PM / Domains: Document how PM domains are used by the PM core PM / Hibernate: Do not leak memory in error/test code paths29 November 2011, 22:43:22 UTC
580da35 Eric Dumazet29 November 2011, 21:31:23 UTCIB: Fix RCU lockdep splats Commit f2c31e32b37 ("net: fix NULL dereferences in check_peer_redir()") forgot to take care of infiniband uses of dst neighbours. Many thanks to Marc Aurele who provided a nice bug report and feedback. Reported-by: Marc Aurele La France <tsi@ualberta.ca> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: David Miller <davem@davemloft.net> Cc: <stable@kernel.org> Signed-off-by: Roland Dreier <roland@purestorage.com>29 November 2011, 21:37:11 UTC
3874397 Mike Marciniszyn21 November 2011, 13:43:54 UTCIB/ipoib: Prevent hung task or softlockup processing multicast response This following can occur with ipoib when processing a multicast reponse: BUG: soft lockup - CPU#0 stuck for 67s! [ib_mad1:982] Modules linked in: ... CPU 0: Modules linked in: ... Pid: 982, comm: ib_mad1 Not tainted 2.6.32-131.0.15.el6.x86_64 #1 ProLiant DL160 G5 RIP: 0010:[<ffffffff814ddb27>] [<ffffffff814ddb27>] _spin_unlock_irqrestore+0x17/0x20 RSP: 0018:ffff8802119ed860 EFLAGS: 00000246 0000000000000004 RBX: ffff8802119ed860 RCX: 000000000000a299 RDX: ffff88021086c700 RSI: 0000000000000246 RDI: 0000000000000246 RBP: ffffffff8100bc8e R08: ffff880210ac229c R09: 0000000000000000 R10: ffff88021278aab8 R11: 0000000000000000 R12: ffff8802119ed860 R13: ffffffff8100be6e R14: 0000000000000001 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff880028200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00000000006d4840 CR3: 0000000209aa5000 CR4: 00000000000406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: [<ffffffffa032c247>] ? ipoib_mcast_send+0x157/0x480 [ib_ipoib] [<ffffffff8100bc8e>] ? apic_timer_interrupt+0xe/0x20 [<ffffffff8100bc8e>] ? apic_timer_interrupt+0xe/0x20 [<ffffffffa03283d4>] ? ipoib_path_lookup+0x124/0x2d0 [ib_ipoib] [<ffffffffa03286fc>] ? ipoib_start_xmit+0x17c/0x430 [ib_ipoib] [<ffffffff8141e758>] ? dev_hard_start_xmit+0x2c8/0x3f0 [<ffffffff81439d0a>] ? sch_direct_xmit+0x15a/0x1c0 [<ffffffff81423098>] ? dev_queue_xmit+0x388/0x4d0 [<ffffffffa032d6b7>] ? ipoib_mcast_join_finish+0x2c7/0x510 [ib_ipoib] [<ffffffffa032dab8>] ? ipoib_mcast_sendonly_join_complete+0x1b8/0x1f0 [ib_ipoib] [<ffffffffa02a0946>] ? mcast_work_handler+0x1a6/0x710 [ib_sa] [<ffffffffa015f01e>] ? ib_send_mad+0xfe/0x3c0 [ib_mad] [<ffffffffa00f6c93>] ? ib_get_cached_lmc+0xa3/0xb0 [ib_core] [<ffffffffa02a0f9b>] ? join_handler+0xeb/0x200 [ib_sa] [<ffffffffa029e4fc>] ? ib_sa_mcmember_rec_callback+0x5c/0xa0 [ib_sa] [<ffffffffa029e79c>] ? recv_handler+0x3c/0x70 [ib_sa] [<ffffffffa01603a4>] ? ib_mad_completion_handler+0x844/0x9d0 [ib_mad] [<ffffffffa015fb60>] ? ib_mad_completion_handler+0x0/0x9d0 [ib_mad] [<ffffffff81088830>] ? worker_thread+0x170/0x2a0 [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 [<ffffffff810886c0>] ? worker_thread+0x0/0x2a0 [<ffffffff8108ddf6>] ? kthread+0x96/0xa0 [<ffffffff8100c1ca>] ? child_rip+0xa/0x20 Coinciding with stack trace is the following message: ib0: ib_address_create failed The code below in ipoib_mcast_join_finish() will note the above failure in the address handle but otherwise continue: ah = ipoib_create_ah(dev, priv->pd, &av); if (!ah) { ipoib_warn(priv, "ib_address_create failed\n"); } else { The while loop at the bottom of ipoib_mcast_join_finish() will attempt to send queued multicast packets in mcast->pkt_queue and eventually end up in ipoib_mcast_send(): if (!mcast->ah) { if (skb_queue_len(&mcast->pkt_queue) < IPOIB_MAX_MCAST_QUEUE) skb_queue_tail(&mcast->pkt_queue, skb); else { ++dev->stats.tx_dropped; dev_kfree_skb_any(skb); } My read is that the code will requeue the packet and return to the ipoib_mcast_join_finish() while loop and the stage is set for the "hung" task diagnostic as the while loop never sees a non-NULL ah, and will do nothing to resolve. There are GFP_ATOMIC allocates in the provider routines, so this is possible and should be dealt with. The test that induced the failure is associated with a host SM on the same server during a shutdown. This patch causes ipoib_mcast_join_finish() to exit with an error which will flush the queued mcast packets. Nothing is done to unwind the QP attached state so that subsequent sends from above will retry the join. Reviewed-by: Ram Vepa <ram.vepa@qlogic.com> Reviewed-by: Gary Leshner <gary.leshner@qlogic.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>29 November 2011, 21:20:02 UTC
57db53b Linus Torvalds29 November 2011, 19:13:22 UTCMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux * 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux: slub: avoid potential NULL dereference or corruption slub: use irqsafe_cpu_cmpxchg for put_cpu_partial slub: move discard_slab out of node lock slub: use correct parameter to add a page to partial list tail29 November 2011, 19:13:22 UTC
883381d Linus Torvalds29 November 2011, 16:59:12 UTCMerge branch 'dev' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'dev' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix racy use-after-free in ext4_end_io_dio()29 November 2011, 16:59:12 UTC
98014be Arnd Bergmann29 November 2011, 14:50:17 UTCMerge branch 'defconfigs-for-arnd' of git://git.linaro.org/people/triad/linux-stericsson into fixes29 November 2011, 14:50:17 UTC
e43fce1 Pawel Moll08 November 2011, 11:35:20 UTCof: Add Silicon Image vendor prefix "sil" is the most commonly used abbreviation for Silicon Image products. Signed-off-by: Pawel Moll <pawel.moll@arm.com>29 November 2011, 14:24:20 UTC
d7fb6d0 Rob Herring28 November 2011, 02:16:33 UTCof/irq: of_irq_init: add check for parent equal to child node With the revert of "of/irq: of_irq_find_parent: check for parent equal to child" (dc9372808412edb), we need another way to handle parent node equal to the child node. This can simply be handled in of_irq_init by checking for this condition. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Tested-by: Pawel Moll <pawel.moll@arm.com> Tested-by: Stephen Warren <swarren@nvidia.com>29 November 2011, 14:22:40 UTC
6e2a587 Linus Walleij16 November 2011, 19:30:35 UTCARM: ux500: update defconfig This updates the Ux500 defconfig with the new drivers for HWSEM and AB5500 core that were merged in the 3.2 cycle. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>29 November 2011, 09:34:51 UTC
58aa4eb Linus Walleij16 November 2011, 19:44:13 UTCARM: u300: update defconfig This updates the U300 defconfig to support some new drivers like FSMC, sets it to use the MMC clock gating scheme, and removes some stale config options. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>29 November 2011, 09:34:45 UTC
0e500b6 Linus Torvalds29 November 2011, 03:28:32 UTCMerge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: convert drivers/hwmon/* to use module_platform_driver() hwmon: Remove redundant spi driver bus initialization29 November 2011, 03:28:32 UTC
8748dfa Linus Torvalds29 November 2011, 00:37:35 UTCMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: efivars: add missing parameter to efi_pstore_read()29 November 2011, 00:37:35 UTC
eee628d Christoph Fritz28 November 2011, 22:49:33 UTCefivars: add missing parameter to efi_pstore_read() In the case where CONFIG_PSTORE=n, the function efi_pstore_read() doesn't have the correct list of parameters. This patch provides a definition of efi_pstore_read() with 'char **buf' added to fix this warning: "drivers/firmware/efivars.c:609: warning: initialization from". problem introduced in commit f6f8285132907757ef84ef8dae0a1244b8cde6ac Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com> Signed-off-by: Tony Luck <tony.luck@intel.com>28 November 2011, 23:33:32 UTC
a34815b Linus Torvalds28 November 2011, 21:55:59 UTCMerge branch 'for-3.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup * 'for-3.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup_freezer: fix freezing groups with stopped tasks28 November 2011, 21:55:59 UTC
9b5a4d4 Linus Torvalds28 November 2011, 21:49:43 UTCMerge branch 'for-3.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu * 'for-3.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu: explain why per_cpu_ptr_to_phys() is more complicated than necessary percpu: fix chunk range calculation percpu: rename pcpu_mem_alloc to pcpu_mem_zalloc28 November 2011, 21:49:43 UTC
f7bc83d Rafael J. Wysocki23 November 2011, 20:20:32 UTCPM: Update comments describing device power management callbacks The comments describing device power management callbacks in include/pm.h are outdated and somewhat confusing, so make them reflect the reality more accurately. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>28 November 2011, 21:14:55 UTC
fafba48 Rafael J. Wysocki23 November 2011, 20:20:15 UTCPM / Sleep: Update documentation related to system wakeup The system wakeup section of Documentation/power/devices.txt is outdated, so make it agree with the current code. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>28 November 2011, 21:14:45 UTC
9075659 Rafael J. Wysocki23 November 2011, 20:20:07 UTCPM / Runtime: Make documentation follow the new behavior of irq_safe The runtime PM core code behavior related to the power.irq_safe device flag has changed recently and the documentation should be modified to reflect it. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>28 November 2011, 21:14:34 UTC
fa8ce72 Rafael J. Wysocki23 November 2011, 20:19:57 UTCPM / Sleep: Correct inaccurate information in devices.txt The documentation file Documentation/power/devices.txt contains some information that isn't correct any more due to code modifications made after that file had been created (or updated last time). Fix this. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>28 November 2011, 21:14:27 UTC
5841eb6 Rafael J. Wysocki23 November 2011, 20:18:39 UTCPM / Domains: Document how PM domains are used by the PM core The current power management documentation in Documentation/power/ either doesn't cover PM domains at all, or gives inaccurate information about them, so update the relevant files in there to follow the code. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>28 November 2011, 21:14:19 UTC
8ee887d Mike Marciniszyn09 November 2011, 22:07:22 UTCIB/qib: Fix over-scheduling of QSFP work Don't over-schedule QSFP work on driver initialization. It could end up being run simultaneously on two different CPUs resulting in bad EEPROM reads. In combination with setting the physical IB link state prior to the IBC being brought out of reset, this can cause the link state machine to start training early with wrong settings. Signed-off-by: Mitko Haralanov <mitko@qlogic.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com> Signed-off-by: Roland Dreier <roland@purestorage.com>28 November 2011, 20:17:33 UTC
01b225e Kumar Sanghvi28 November 2011, 16:39:15 UTCRDMA/cxgb4: Fix retry with MPAv1 logic for MPAv2 Fix logic so that we don't retry with MPAv1 once we have done that already. Otherwise, we end up retrying with MPAv1 even when its not needed on getting peer aborts - and this could lead to kernel panic. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Roland Dreier <roland@purestorage.com>28 November 2011, 19:58:07 UTC
c34c97a Jonathan Lallinger20 October 2011, 18:25:14 UTCRDMA/cxgb4: Fix iw_cxgb4 count_rcqes() logic Fix another place in the code where logic dealing with the t4_cqe was using the wrong QID. This fixes the counting logic so that it tests against the SQ QID instead of the RQ QID when counting RCQES. Signed-off by: Jonathan Lallinger <jonathan@ogc.us> Signed-off by: Steve Wise <swise@ogc.us> Signed-off-by: Roland Dreier <roland@purestorage.com>28 November 2011, 19:53:05 UTC
cb35999 Linus Torvalds28 November 2011, 19:27:57 UTCMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: pstore: pass allocated memory region back to caller28 November 2011, 19:27:57 UTC
ba305e3 Tero Kristo28 November 2011, 14:53:19 UTCregulator: twl: fix twl4030 support for smps regulators SMPS regulator voltage control differs from the one of the LDO ones. Current TWL code was using LDO regulator ops for controlling the SMPS regulators, which fails. This was fixed fixed by adding separate regulator type which uses correct logic and calculations for the voltage levels. Signed-off-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org28 November 2011, 18:58:31 UTC
4244cb4 Linus Torvalds28 November 2011, 17:05:23 UTCMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/exynos: fixed wrong err ptr usage and destroy call in exeception drm/exynos: Add disable of manager drm/exynos: include linux/module.h drm/exynos: fix vblank bug. drm/exynos: changed buffer structure. drm/exynos: removed unnecessary variable. drm/exynos: use gem create function generically drm/exynos: checked for null pointer drm/exynos: added crtc dpms for disable crtc drm/exynos: removed meaningless parameter from fbdev update drm/exynos: restored kernel_fb_list when reiniting fb_helper drm/exynos: changed exynos_drm_display to exynos_drm_display_ops drm/exynos: added manager object to connector drm/exynos: fixed converting between display mode and timing drm/exynos: fixed connector flag with hpd and interlace scan for hdmi drm/exynos: added kms poll for handling hpd event28 November 2011, 17:05:23 UTC
f02877c Linus Torvalds28 November 2011, 16:59:11 UTCMerge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/linux-nfs * 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: SUNRPC: Ensure we return EAGAIN in xs_nospace if congestion is cleared28 November 2011, 16:59:11 UTC
3c512b1 Linus Torvalds28 November 2011, 16:53:36 UTCMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (28 commits) ALSA: hda - Fix jack-detection control of VT1708 ALSA: hda - cut and paste typo in cs420x_models[] ALSA: hda/realtek - Minor cleanup ALSA: hda/realtek - Fix missing inits of item indices for auto-mic ALSA: hda - Fix invalid pin and GPIO for Apple laptops with CS codecs ALSA: hda - Check subdevice mask in snd_hda_check_board_codec_sid_config() ALSA: hda - fail ELD reading early ALSA: lx6464es - fix device communication via command bus ALSA: lx6464es - command buffer API cleanup ALSA: hda - repoll ELD content for multiple times ALSA: hdspm - Fix PCI ID for PCIe RME MADI cards ASoC: Ensure WM8731 register cache is synced when resuming from disabled ALSA: cs5535 - Fix an endianness conversion ASoC: cs4271: Fix wrong mask parameter in some snd_soc_update_bits calls ASoC: wm_hubs: fix DB_RANGE size ASoC: wm9090: fix DB_RANGE size ASoC: wm8993: fix DB_RANGE size ASoC: wm8962: fix DB_RANGE size ASoC: sgtl5000: fix DB_RANGE size ASoC: rt5631: fix DB_RANGE size ...28 November 2011, 16:53:36 UTC
c28800a Linus Torvalds28 November 2011, 16:43:52 UTCMerge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: hrtimer: Fix extra wakeups from __remove_hrtimer() timekeeping: add arch_offset hook to ktime_get functions clocksource: Avoid selecting mult values that might overflow when adjusted time: Improve documentation of timekeeeping_adjust()28 November 2011, 16:43:52 UTC
ce8f55c Linus Torvalds28 November 2011, 16:43:32 UTCMerge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Don't allow per cpu interrupts to be suspended28 November 2011, 16:43:32 UTC
52553dd Edward Donovan28 November 2011, 04:07:34 UTCgenirq: fix regression in irqfixup, irqpoll Commit fa27271bc8d2("genirq: Fixup poll handling") introduced a regression that broke irqfixup/irqpoll for some hardware configurations. Amidst reorganizing 'try_one_irq', that patch removed a test that checked for 'action->handler' returning IRQ_HANDLED, before acting on the interrupt. Restoring this test back returns the functionality lost since 2.6.39. In the current set of tests, after 'action' is set, it must precede '!action->next' to take effect. With this and my previous patch to irq/spurious.c, c75d720fca8a, all IRQ regressions that I have encountered are fixed. Signed-off-by: Edward Donovan <edward.donovan@numble.net> Reported-and-tested-by: Rogério Brito <rbrito@ime.usp.br> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: stable@kernel.org (2.6.39+) Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>28 November 2011, 16:43:09 UTC
58fb5cf Lothar Waßmann28 November 2011, 14:38:37 UTCregulator: fix use after free bug This is caused by dereferencing 'rdev' after device_unregister() in the regulator_unregister() function. 'rdev' is freed by device_unregister(), so it must not be dereferenced after this call. [Edited commit message for legibility -- broonie] Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>28 November 2011, 14:44:38 UTC
b7b996d Dave Airlie28 November 2011, 14:17:09 UTCMerge branch 'exynos-drm' of git://git.infradead.org/users/kmpark/linux-samsung into drm-fixes * 'exynos-drm' of git://git.infradead.org/users/kmpark/linux-samsung: drm/exynos: fixed wrong err ptr usage and destroy call in exeception drm/exynos: Add disable of manager drm/exynos: include linux/module.h drm/exynos: fix vblank bug. drm/exynos: changed buffer structure. drm/exynos: removed unnecessary variable. drm/exynos: use gem create function generically drm/exynos: checked for null pointer drm/exynos: added crtc dpms for disable crtc drm/exynos: removed meaningless parameter from fbdev update drm/exynos: restored kernel_fb_list when reiniting fb_helper drm/exynos: changed exynos_drm_display to exynos_drm_display_ops drm/exynos: added manager object to connector drm/exynos: fixed converting between display mode and timing drm/exynos: fixed connector flag with hpd and interlace scan for hdmi drm/exynos: added kms poll for handling hpd event28 November 2011, 14:17:09 UTC
d4d6373 Axel Lin28 November 2011, 06:06:31 UTCregulator: aat2870: Fix the logic of checking if no id is matched in aat2870_get_regulator In current implementation, the pointer ri is not NULL if no id is matched. Fix it by checking i == ARRAY_SIZE(aat2870_regulators) if no id is matched. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org28 November 2011, 11:48:15 UTC
401d006 Linus Torvalds27 November 2011, 20:05:56 UTCMerge branch 'fbdev-for-linus' of git://github.com/schandinat/linux-2.6 * 'fbdev-for-linus' of git://github.com/schandinat/linux-2.6: viafb: correct sync polarity for OLPC DCON video:da8xx-fb: Disable and reset sequence on version2 of LCDC OMAPDSS: DISPC: skip scaling calculations when not scaling OMAPFB: fix compilation warnings due to missing include OMAPDSS: HDMI: fix returned HDMI pixel clock27 November 2011, 20:05:56 UTC
06718f1 Rafael J. Wysocki26 November 2011, 22:37:43 UTCath9k: Revert change that broke AR928X on Acer Ferrari One Revert a hunk in drivers/net/wireless/ath/ath9k/hw.c introduced by commit 2577c6e8f232 ("ath9k_hw: Add support for AR946/8x chipsets") that caused a nasty regression to appear on my Acer Ferrari One (the box locks up entirely at random times after the wireless has been started without any way to get debug information out of it). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>27 November 2011, 19:47:34 UTC
f339240 Takashi Iwai27 November 2011, 16:59:07 UTCMerge branch 'fix/hda' into for-linus27 November 2011, 16:59:07 UTC
187d333 Takashi Iwai24 November 2011, 15:33:09 UTCALSA: hda - Fix jack-detection control of VT1708 VT1708 has no support for unsolicited events per jack-plug, the driver implements the workq for polling the jack-detection. The mixer element "Jack Detect" was supposed to control this behavior on/off, but this doesn't work properly as is now. The workq is always started and the HP automute is always enabled. This patch fixes the jack-detect control behavior by triggering / stopping the work appropriately at the state change. Also the work checks the internal state to continue scheduling or not. Cc: <stable@kernel.org> [v3.1] Signed-off-by: Takashi Iwai <tiwai@suse.de>27 November 2011, 16:56:17 UTC
92bb43e Dan Carpenter24 November 2011, 11:48:24 UTCALSA: hda - cut and paste typo in cs420x_models[] The CS420X_IMAC27 was copied from the line before but CS420X_APPLE was clearly intented. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>27 November 2011, 16:56:07 UTC
fe41db7 Will Deacon25 November 2011, 18:23:36 UTCARM: 7177/1: GIC: avoid skipping non-existent PPIs in irq_start calculation Commit 4294f8baa ("ARM: gic: add irq_domain support") defines irq_start as irq_start = (irq_start & ~31) + 16; On a platform with a GIC and a CPU without PPIs, this results in irq_start being off by 16. This patch fixes gic_init so that we only carve out a PPI space when PPIs exist for the GIC being initialised. Cc: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>26 November 2011, 21:58:55 UTC
abdd7b9 Marc Zyngier25 November 2011, 16:58:19 UTCARM: 7176/1: cpu_pm: register GIC PM notifier only once When multiple GICs exist on a platform (RealView PB1176/11MP), we must make sure the PM notifier block is only registered once, otherwise we end up corrupting the PM notifier list. The fix is to only register the notifier when initializing the first GIC, as the power management functions seem to iterate over all the registered GICs. Tested on PB11MP and PB1176. Reported-by: Will Deacon <will.deacon@arm.com> Tested-by: Will Deacon <will.deacon@arm.com> Cc: Colin Cross <ccross@android.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>26 November 2011, 21:58:54 UTC
97371fa Axel Lin24 November 2011, 23:23:28 UTCARM: 7175/1: add subname parameter to mfp_set_groupg callers commit 798681bf "ARM: 7158/1: add new MFP implement for NUC900" adds subname parameter for mfp_set_groupg. Thus add subname parameter to the callers. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Wan Zongshun <mcuos.com@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>26 November 2011, 21:58:54 UTC
46589e2 Jon Medhurst24 November 2011, 12:01:08 UTCARM: 7174/1: Fix build error in kprobes test code on Thumb2 kernels When compiling kprobes-test-thumb.c an error like below may occur: /tmp/ccKcuJcG.s:19179: Error: offset out of range This is caused by the compiler underestimating the size of the inline assembler instructions containing ".space 0x1000" and failing to spill the literal pool in time to prevent the generation of PC relative load instruction with invalid offsets. The fix implemented by this patch is to replace a single large .space directive by a number of 4 byte .space's. This requires splitting the macros which generate test cases for branch instructions into two forms: one with, and one without support for inserting extra code between branch and target. Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Jon Medhurst <jon.medhurst@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>26 November 2011, 21:58:53 UTC
ea2e705 Sumit Bhattacharya23 November 2011, 23:47:12 UTCARM: 7172/1: dma: Drop GFP_COMP for DMA memory allocations dma_alloc_coherent wants to split pages after allocation in order to reduce the memory footprint. This does not work well with GFP_COMP pages, so drop this flag before allocation. This patch is ported from arch/avr32 (commit 3611553ef985ef7c5863c8a94641738addd04cff). [swarren: s/HUGETLB_PAGE/HUGETLBFS/ in comment, minor comment cleanup] Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com> Tested-by: Varun Colbert <vcolbert@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>26 November 2011, 21:58:53 UTC
c36ef4b Will Deacon23 November 2011, 10:28:25 UTCARM: 7171/1: unwind: add unwind directives to bitops assembly macros The bitops functions (e.g. _test_and_set_bit) on ARM do not have unwind annotations and therefore the kernel cannot backtrace out of them on a fatal error (for example, NULL pointer dereference). This patch annotates the bitops assembly macros with UNWIND annotations so that we can produce a meaningful backtrace on error. Callers of the macros are modified to pass their function name as a macro parameter, enforcing that the macros are used as standalone function implementations. Acked-by: Dave Martin <dave.martin@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>26 November 2011, 21:58:53 UTC
c89cefe Guennadi Liakhovetski22 November 2011, 22:42:12 UTCARM: 7170/2: fix compilation breakage in entry-armv.S Fix compilation failure, when Thumb support is not enabled: arch/arm/kernel/entry-armv.S: Assembler messages: arch/arm/kernel/entry-armv.S:501: Error: backward ref to unknown label "2:" arch/arm/kernel/entry-armv.S:502: Error: backward ref to unknown label "3:" make[2]: *** [arch/arm/kernel/entry-armv.o] Error 1 Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Reviewed-by: Dave Martin <dave.martin@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>26 November 2011, 21:58:52 UTC
41dfaa9 Rob Herring22 November 2011, 03:01:06 UTCARM: 7168/1: use cache type functions for arch_get_unmapped_area There are already cache type decoding functions, so use those instead of custom decode code which only works for ARMv6. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>26 November 2011, 21:58:52 UTC
aaa0b4f Andy Whitcroft25 November 2011, 10:56:22 UTCiio: iio_event_getfd -- fix ev_int build failure Fix build failure in staging iio driver: .../drivers/staging/iio/industrialio-core.c: In function 'iio_event_getfd': .../drivers/staging/iio/industrialio-core.c:262:32: error: 'ev_int' undeclared (first use in this function) Also convert the rest of the function to use the new variable. Signed-off-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>26 November 2011, 21:23:49 UTC
ac03564 Linus Torvalds26 November 2011, 17:53:32 UTCMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/44x: Add mtd ndfc to the ppx44x defconfig powerpc: Fix compiliation with hugetlbfs enabled arch/powerpc/sysdev/ehv_pic.c: add missing kfree powerpc/fsl-lbc: Fix for fsl_upm drivers/edac/mpc85xx_edac.c: fix memory controller compatible for edac powerpc/qe: Fixup QE_General4 errata powerpc/85xx: Fix compile error on p3060_qds.c powerpc/p3060qds: Fix select of 'MPC8xxx_GPIO' powerpc/p1023: set IRQ[4:6,11] to active-high level sensitive for PCIe26 November 2011, 17:53:32 UTC
25a236a Axel Lin25 November 2011, 07:31:00 UTChwmon: convert drivers/hwmon/* to use module_platform_driver() This patch converts the drivers in drivers/hwmon/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Cc: Donggeun Kim <dg77.kim@samsung.com> Cc: Simon Guinot <sguinot@lacie.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Cc: Ben Dooks <ben@simtec.co.uk> Cc: Hans de Goede <hdegoede@redhat.com> Cc: J Keerthy <j-keerthy@ti.com> Cc: David S. Miller <davem@davemloft.net> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>26 November 2011, 17:48:20 UTC
dd38d29 Linus Torvalds26 November 2011, 05:55:07 UTCMerge git://github.com/herbertx/crypto * git://github.com/herbertx/crypto: crypto: mv_cesa - fix hashing of chunks > 1920 bytes26 November 2011, 05:55:07 UTC
9c39739 Linus Torvalds26 November 2011, 05:52:55 UTCMerge branch 'gpio-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson * 'gpio-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: gpio: pca953x: Staticise pca953x_get_altdata()26 November 2011, 05:52:55 UTC
b52fabc Lars-Peter Clausen24 November 2011, 15:29:14 UTChwmon: Remove redundant spi driver bus initialization In ancient times it was necessary to manually initialize the bus field of an spi_driver to spi_bus_type. These days this is done in spi_register_driver(), so we can drop the manual assignment. The patch was generated using the following coccinelle semantic patch: // <smpl> @@ identifier _driver; @@ struct spi_driver _driver = { .driver = { - .bus = &spi_bus_type, }, }; // </smpl> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Cc: lm-sensors@lm-sensors.org Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>25 November 2011, 15:48:16 UTC
4c81f04 Tejun Heo25 November 2011, 00:22:24 UTCext4: fix racy use-after-free in ext4_end_io_dio() ext4_end_io_dio() queues io_end->work and then clears iocb->private; however, io_end->work calls aio_complete() which frees the iocb object. If that slab object gets reallocated, then ext4_end_io_dio() can end up clearing someone else's iocb->private, this use-after-free can cause a leak of a struct ext4_io_end_t structure. Detected and tested with slab poisoning. [ Note: Can also reproduce using 12 fio's against 12 file systems with the following configuration file: [global] direct=1 ioengine=libaio iodepth=1 bs=4k ba=4k size=128m [create] filename=${TESTDIR} rw=write -- tytso ] Google-Bug-Id: 5354697 Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reported-by: Kent Overstreet <koverstreet@google.com> Tested-by: Kent Overstreet <koverstreet@google.com> Cc: stable@kernel.org25 November 2011, 00:22:24 UTC
49e4406 Tony Breeds22 November 2011, 13:50:46 UTCpowerpc/44x: Add mtd ndfc to the ppx44x defconfig Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Acked-by: Josh Boyer <jwboyer@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>24 November 2011, 23:06:00 UTC
13020be Kumar Gala24 November 2011, 09:40:07 UTCpowerpc: Fix compiliation with hugetlbfs enabled arch/powerpc/mm/hugetlbpage.c: In function 'reserve_hugetlb_gpages': arch/powerpc/mm/hugetlbpage.c:312:2: error: implicit declaration of function 'parse_args' Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>24 November 2011, 23:05:59 UTC
884a45d Michal Hocko22 November 2011, 15:44:47 UTCcgroup_freezer: fix freezing groups with stopped tasks 2d3cbf8b (cgroup_freezer: update_freezer_state() does incorrect state transitions) removed is_task_frozen_enough and replaced it with a simple frozen call. This, however, breaks freezing for a group with stopped tasks because those cannot be frozen and so the group remains in CGROUP_FREEZING state (update_if_frozen doesn't count stopped tasks) and never reaches CGROUP_FROZEN. Let's add is_task_frozen_enough back and use it at the original locations (update_if_frozen and try_to_freeze_cgroup). Semantically we consider stopped tasks as frozen enough so we should consider both cases when testing frozen tasks. Testcase: mkdir /dev/freezer mount -t cgroup -o freezer none /dev/freezer mkdir /dev/freezer/foo sleep 1h & pid=$! kill -STOP $pid echo $pid > /dev/freezer/foo/tasks echo FROZEN > /dev/freezer/foo/freezer.state while true do cat /dev/freezer/foo/freezer.state [ "`cat /dev/freezer/foo/freezer.state`" = "FROZEN" ] && break sleep 1 done echo OK Signed-off-by: Michal Hocko <mhocko@suse.cz> Acked-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Tomasz Buchert <tomasz.buchert@inria.fr> Cc: Paul Menage <paul@paulmenage.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: stable@kernel.org Signed-off-by: Tejun Heo <htejun@gmail.com>24 November 2011, 19:58:22 UTC
55135df Arnd Bergmann24 November 2011, 15:58:01 UTCMerge branch 'fixes-dss' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes24 November 2011, 15:58:01 UTC
b70c420 Arnd Bergmann24 November 2011, 15:56:03 UTCMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes24 November 2011, 15:56:03 UTC
597b97c Arnd Bergmann24 November 2011, 14:58:59 UTCMerge branch 'at91/defconfig' into fixes24 November 2011, 14:58:59 UTC
db5509f Jean-Christophe PLAGNIOL-VILLARD15 October 2011, 16:03:17 UTCARM: at91: enable additional boards in existing soc defconfig files Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>24 November 2011, 14:57:55 UTC
9f939ad Jean-Christophe PLAGNIOL-VILLARD15 October 2011, 16:07:20 UTCARM: at91: refresh soc defconfig files for 3.2 Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>24 November 2011, 14:57:54 UTC
85d096d Jean-Christophe PLAGNIOL-VILLARD15 October 2011, 16:07:20 UTCARM: at91: rename defconfig files appropriately rename all Atmel reference board as soc defconfig Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>24 November 2011, 14:57:54 UTC
626e367 Arnd Bergmann24 November 2011, 14:51:42 UTCMerge branch 'mxs/for-arnd' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes24 November 2011, 14:51:42 UTC
e3854b6 Julia Lawall08 August 2011, 11:18:02 UTCarch/powerpc/sysdev/ehv_pic.c: add missing kfree At this point, ehv_pic has been allocated but not stored anywhere, so it should be freed before leaving the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @exists@ local idexpression x; statement S,S1; expression E; identifier fl; expression *ptr != NULL; @@ x = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...kfree(x)...+> } when any when != true x == NULL x->fl ...> ( if (x == NULL) S1 | if (...) { ... when != x when forall ( return \(0\|<+...x...+>\|ptr\); | * return ...; ) } ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>24 November 2011, 08:01:24 UTC
7145cf1 Alexandre Rusev27 October 2011, 14:18:37 UTCpowerpc/fsl-lbc: Fix for fsl_upm If Freescale LBC driver fails to initialise itself from device tree, then internal structure is freed only but not NULL-fied. As result functions fsl_lbc_find() after checking the structure is not NULL are trying to access device registers. Signed-off-by: Alexandre Rusev <arusev@dev.rtsoft.ru> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>24 November 2011, 08:00:42 UTC
86f9a43 Shaohui Xie15 November 2011, 22:52:22 UTCdrivers/edac/mpc85xx_edac.c: fix memory controller compatible for edac compatible in dts has been changed, so the driver needs to be updated accordingly. Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>24 November 2011, 07:59:38 UTC
ae5f8c1 Joakim Tjernlund23 August 2011, 12:30:05 UTCpowerpc/qe: Fixup QE_General4 errata QE_General4 should only round up the divisor iff divisor is > 3. Rounding up lower divisors makes the error too big, causing USB on MPC832x to fail. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Acked-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>24 November 2011, 07:28:42 UTC
bc6697d Eric Dumazet22 November 2011, 15:02:02 UTCslub: avoid potential NULL dereference or corruption show_slab_objects() can trigger NULL dereferences or memory corruption. Another cpu can change its c->page to NULL or c->node to NUMA_NO_NODE while we use them. Use ACCESS_ONCE(c->page) and ACCESS_ONCE(c->node) to make sure this cannot happen. Acked-by: Christoph Lameter <cl@linux.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>24 November 2011, 06:44:19 UTC
42d623a Christoph Lameter23 November 2011, 15:14:38 UTCslub: use irqsafe_cpu_cmpxchg for put_cpu_partial The cmpxchg must be irq safe. The fallback for this_cpu_cmpxchg only disables preemption which results in per cpu partial page operation potentially failing on non x86 platforms. This patch fixes the following problem reported by Christian Kujau: I seem to hit it with heavy disk & cpu IO is in progress on this PowerBook G4. Full dmesg & .config: http://nerdbynature.de/bits/3.2.0-rc1/oops/ I've enabled some debug options and now it really points to slub.c:2166 http://nerdbynature.de/bits/3.2.0-rc1/oops/oops4m.jpg With debug options enabled I'm currently in the xmon debugger, not sure what to make of it yet, I'll try to get something useful out of it :) Reported-by: Christian Kujau <lists@nerdbynature.de> Tested-by: Christian Kujau <lists@nerdbynature.de> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>24 November 2011, 06:44:14 UTC
05011f3 Kumar Gala20 November 2011, 15:58:11 UTCpowerpc/85xx: Fix compile error on p3060_qds.c arch/powerpc/platforms/85xx/p3060_qds.c: In function '__machine_initcall_p3060_qds_declare_of_platform_devices': arch/powerpc/platforms/85xx/p3060_qds.c:73:1: error: implicit declaration of function 'declare_of_platform_devices' declare_of_platform_devices should have been corenet_ds_publish_devices. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>24 November 2011, 04:55:47 UTC
a922825 Paul Bolle12 November 2011, 23:50:30 UTCpowerpc/p3060qds: Fix select of 'MPC8xxx_GPIO' The driver for the Freescale P3060 QDS got added by commit 96cc017c5b ("[...] Add support for P3060QDS board"). Its Kconfig entry selects MPC8xxx_GPIO. But at the time that driver got added MPC8xxx_GPIO was already renamed to GPIO_MPC8XXX, by commit c68308dd50c ("gpio: move mpc8xxx/512x gpio driver to drivers/gpio"). So make this driver select GPIO_MPC8XXX. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>24 November 2011, 04:55:47 UTC
c3c3ced Roy Zang07 November 2011, 08:32:58 UTCpowerpc/p1023: set IRQ[4:6,11] to active-high level sensitive for PCIe P1023 external IRQ[4:6, 11] are not pin out, but the interrupts are utilized by the PCIe controllers. As they are not exposed as pins we need to set them as active-high (internal to the SoC these interrupts are pulled down). IRQs[0:3,7:10] are pulled up on the board so we have them set as active-low. Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>24 November 2011, 04:55:47 UTC
caca6a0 Linus Torvalds24 November 2011, 04:20:28 UTCLinux 3.2-rc324 November 2011, 04:20:28 UTC
9b82e65 Linus Torvalds24 November 2011, 04:19:31 UTCMerge git://github.com/rustyrussell/linux * git://github.com/rustyrussell/linux: virtio-pci: make reset operation safer virtio-mmio: Correct the name of the guest features selector virtio: add HAS_IOMEM dependency to MMIO platform bus driver24 November 2011, 04:19:31 UTC
e6af578 Michael S. Tsirkin17 November 2011, 15:41:15 UTCvirtio-pci: make reset operation safer virtio pci device reset actually just does an I/O write, which in PCI is really posted, that is it can complete on CPU before the device has received it. Further, interrupts might have been pending on another CPU, so device callback might get invoked after reset. This conflicts with how drivers use reset, which is typically: reset unregister a callback running after reset completed can race with unregister, potentially leading to use after free bugs. Fix by flushing out the write, and flushing pending interrupts. This assumes that device is never reset from its vq/config callbacks, or in parallel with being added/removed, document this assumption. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>24 November 2011, 02:34:48 UTC
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