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2011-12-01Linux 3.2-rc4v3.2-rc4Linus Torvalds1-1/+1
2011-12-01Merge branch 'upstream-linus' of ↵Linus Torvalds31-536/+995
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() ...
2011-12-01ocfs2: avoid unaligned access to dqc_bitmapAkinobu Mita2-5/+52
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>
2011-12-01Merge branch 'fixes' of ↵Linus Torvalds27-120/+199
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 modules
2011-12-01Merge branch 'for-linus' of ↵Linus Torvalds9-25/+60
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()
2011-12-01Btrfs: fix meta data raid-repair merge problemJan Schmidt1-7/+20
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>
2011-11-30Merge branch 'for-linus' of ↵Linus Torvalds10-45/+62
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()
2011-11-30Merge branch 'dt-for-linus' of git://sources.calxeda.com/kernel/linuxLinus Torvalds2-0/+3
* '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 node
2011-11-30Merge branch 'for-linus' of ↵Linus Torvalds3-4/+46
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_regulator
2011-11-30Merge branch 'fixes' of ↵Linus Torvalds71-270/+517
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 ...
2011-11-30ARM: 7182/1: ARM cpu topology: fix warningVincent Guittot2-2/+2
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>
2011-11-30ARM: 7181/1: Restrict kprobes probing SWP instructions to ARMv5 and belowJon Medhurst (Tixy)2-10/+19
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>
2011-11-30ARM: 7180/1: Change kprobes testcase with unpredictable STRD instructionJon Medhurst (Tixy)1-1/+1
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>
2011-11-30Btrfs: skip allocation attempt from empty clusterAlexandre Oliva1-3/+3
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>
2011-11-30Btrfs: skip block groups without enough space for a clusterAlexandre Oliva1-1/+1
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>
2011-11-30Btrfs: start search for new cluster at the beginningAlexandre Oliva1-4/+2
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>
2011-11-30Btrfs: reset cluster's max_size when creating bitmapAlexandre Oliva1-0/+1
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>
2011-11-30Btrfs: initialize new bitmaps' listAlexandre Oliva1-0/+1
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.
2011-11-30Btrfs: fix oops when calling statfs on readonly deviceLi Zefan1-3/+3
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>
2011-11-30Btrfs: Don't error on resizing FS to same sizeMike Fleetwood1-1/+1
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>
2011-11-30Btrfs: fix deadlock on metadata reservation when evicting a inodeMiao Xie3-5/+22
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>
2011-11-30Fix URL of btrfs-progs git repository in docsArnd Hannemann1-2/+2
The location of the btrfs-progs repository has been changed. This patch updates the documentation accordingly. Signed-off-by: Arnd Hannemann <arnd@arndnet.de>
2011-11-30btrfs scrub: handle -ENOMEM from init_ipath()Dan Carpenter1-0/+5
init_ipath() can return an ERR_PTR(-ENOMEM). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
2011-11-29Merge branches 'cxgb4', 'ipoib', 'misc' and 'qib' into for-nextRoland Dreier9-43/+58
2011-11-29Merge branch 'pm-fixes' of ↵Linus Torvalds4-159/+237
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 paths
2011-11-29IB: Fix RCU lockdep splatsEric Dumazet6-14/+35
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>
2011-11-29IB/ipoib: Prevent hung task or softlockup processing multicast responseMike Marciniszyn3-8/+14
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>
2011-11-29Merge branch 'slab/urgent' of ↵Linus Torvalds1-16/+26
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 tail
2011-11-29Merge branch 'dev' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds1-1/+1
* 'dev' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix racy use-after-free in ext4_end_io_dio()
2011-11-29Merge branch 'defconfigs-for-arnd' of ↵Arnd Bergmann453-3335/+3858
git://git.linaro.org/people/triad/linux-stericsson into fixes
2011-11-29of: Add Silicon Image vendor prefixPawel Moll1-0/+1
"sil" is the most commonly used abbreviation for Silicon Image products. Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2011-11-29of/irq: of_irq_init: add check for parent equal to child nodeRob Herring1-0/+2
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>
2011-11-29ARM: ux500: update defconfigLinus Walleij1-9/+5
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>
2011-11-29ARM: u300: update defconfigLinus Walleij1-7/+6
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>
2011-11-28Merge branch 'hwmon-for-linus' of ↵Linus Torvalds13-132/+11
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 initialization
2011-11-28Merge branch 'for-linus' of ↵Linus Torvalds1-1/+2
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()
2011-11-28efivars: add missing parameter to efi_pstore_read()Christoph Fritz1-1/+2
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>
2011-11-28Merge branch 'for-3.2-fixes' of ↵Linus Torvalds1-2/+9
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 tasks
2011-11-28Merge branch 'for-3.2-fixes' of ↵Linus Torvalds2-31/+48
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_zalloc
2011-11-28PM: Update comments describing device power management callbacksRafael J. Wysocki1-95/+134
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>
2011-11-28PM / Sleep: Update documentation related to system wakeupRafael J. Wysocki1-22/+38
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>
2011-11-28PM / Runtime: Make documentation follow the new behavior of irq_safeRafael J. Wysocki1-5/+6
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>
2011-11-28PM / Sleep: Correct inaccurate information in devices.txtRafael J. Wysocki1-4/+3
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>
2011-11-28PM / Domains: Document how PM domains are used by the PM coreRafael J. Wysocki2-26/+45
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>
2011-11-28IB/qib: Fix over-scheduling of QSFP workMike Marciniszyn2-20/+8
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>
2011-11-28RDMA/cxgb4: Fix retry with MPAv1 logic for MPAv2Kumar Sanghvi1-1/+3
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>
2011-11-28RDMA/cxgb4: Fix iw_cxgb4 count_rcqes() logicJonathan Lallinger1-1/+1
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>
2011-11-28Merge branch 'for-linus' of ↵Linus Torvalds4-17/+40
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 caller
2011-11-28regulator: twl: fix twl4030 support for smps regulatorsTero Kristo1-2/+44
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.org
2011-11-28Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds15-231/+440
* '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 event
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