- 31 Jul, 2014 16 commits
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Chuck Lever authored
Clean up: Name frmr_wr after the opcode of the Work Request, consistent with the send and local invalidation paths. Signed-off-by:
Chuck Lever <chuck.lever@oracle.com> Tested-by:
Steve Wise <swise@opengridcomputing.com> Tested-by:
Shirley Ma <shirley.ma@oracle.com> Tested-by:
Devesh Sharma <devesh.sharma@emulex.com> Signed-off-by:
Anna Schumaker <Anna.Schumaker@Netapp.com>
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Chuck Lever authored
Instead of relying on a completion to change the state of an FRMR to FRMR_IS_INVALID, set it in advance. If an error occurs, a completion will fire anyway and mark the FRMR FRMR_IS_STALE. Signed-off-by:
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Chuck Lever authored
Instead of relying on a completion to change the state of an FRMR to FRMR_IS_VALID, set it in advance. If an error occurs, a completion will fire anyway and mark the FRMR FRMR_IS_STALE. Signed-off-by:
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Chuck Lever authored
Any FRMR arriving in rpcrdma_register_frmr_external() is now guaranteed to be either invalid, or to be targeted by a queued LOCAL_INV that will invalidate it before the adapter processes the FAST_REG_MR being built here. The problem with current arrangement of chaining a LOCAL_INV to the FAST_REG_MR is that if the transport is not connected, the LOCAL_INV is flushed and the FAST_REG_MR is flushed. This leaves the FRMR valid with the old rkey. But rpcrdma_register_frmr_external() has already bumped the in-memory rkey. Next time through rpcrdma_register_frmr_external(), a LOCAL_INV and FAST_REG_MR is attempted again because the FRMR is still valid. But the rkey no longer matches the hardware's rkey, and a memory management operation error occurs. Signed-off-by:
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Chuck Lever authored
When a LOCAL_INV Work Request is flushed, it leaves an FRMR in the VALID state. This FRMR can be returned by rpcrdma_buffer_get(), and must be knocked down in rpcrdma_register_frmr_external() before it can be re-used. Instead, capture these in rpcrdma_buffer_get(), and reset them. Signed-off-by:
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Chuck Lever authored
FAST_REG_MR Work Requests update a Memory Region's rkey. Rkey's are used to block unwanted access to the memory controlled by an MR. The rkey is passed to the receiver (the NFS server, in our case), and is also used by xprtrdma to invalidate the MR when the RPC is complete. When a FAST_REG_MR Work Request is flushed after a transport disconnect, xprtrdma cannot tell whether the WR actually hit the adapter or not. So it is indeterminant at that point whether the existing rkey is still valid. After the transport connection is re-established, the next FAST_REG_MR or LOCAL_INV Work Request against that MR can sometimes fail because the rkey value does not match what xprtrdma expects. The only reliable way to recover in this case is to deregister and register the MR before it is used again. These operations can be done only in a process context, so handle it in the transport connect worker. Signed-off-by:
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Chuck Lever authored
If the rb_mws list is exhausted, clean up and return NULL so that call_allocate() will delay and try again. Signed-off-by:
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Chuck Lever authored
During connection loss recovery, need to visit every MW in a buffer pool. Any MW that is in use by an RPC will not be on the rb_mws list. Signed-off-by:
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Chuck Lever authored
If posting a FAST_REG_MR Work Reqeust fails, revert the rkey update to avoid subsequent IB_WC_MW_BIND_ERR completions. Suggested-by:
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Chuck Lever authored
Clean ups: - make it obvious that the rl_mw field is a pointer -- allocated separately, not as part of struct rpcrdma_mr_seg - promote "struct {} frmr;" to a named type - promote the state enum to a named type - name the MW state field the same way other fields in rpcrdma_mw are named Signed-off-by: -
Chuck Lever authored
If FRMR registration fails, it's likely to transition the QP to the error state. Or, registration may have failed because the QP is _already_ in ERROR. Thus calling rpcrdma_deregister_external() in rpcrdma_create_chunks() is useless in FRMR mode: the LOCAL_INVs just get flushed. It is safe to leave existing registrations: when FRMR registration is tried again, rpcrdma_register_frmr_external() checks if each FRMR is already/still VALID, and knocks it down first if it is. Signed-off-by:
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Chuck Lever authored
xprtrdma is currently throwing away queued completions during a reconnect. RPC replies posted just before connection loss, or successful completions that change the state of an FRMR, can be missed. Signed-off-by:
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Chuck Lever authored
Various reports of: rpcrdma_qp_async_error_upcall: QP error 3 on device mlx4_0 ep ffff8800bfd3e848 Ensure that rkeys in already-marshalled RPC/RDMA headers are refreshed after the QP has been replaced by a reconnect. BugLink: https://bugzilla.linux-nfs.org/show_bug.cgi?id=249Suggested-by:
Selvin Xavier <Selvin.Xavier@Emulex.Com> Signed-off-by:
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Chuck Lever authored
When the client uses physical memory registration, each page in the payload gets its own array entry in the RPC/RDMA header's chunk list. Therefore, don't advertise a maximum payload size that would require more array entries than can fit in the RPC buffer where RPC/RDMA headers are built. BugLink: https://bugzilla.linux-nfs.org/show_bug.cgi?id=248Signed-off-by:
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Chuck Lever authored
Ensure ia->ri_id remains valid while invoking dma_unmap_page() or posting LOCAL_INV during a transport reconnect. Otherwise, ia->ri_id->device or ia->ri_id->qp is NULL, which triggers a panic. BugLink: https://bugzilla.linux-nfs.org/show_bug.cgi?id=259 Fixes: ec62f40d 'xprtrdma: Ensure ia->ri_id->qp is not NULL when reconnecting' Signed-off-by:
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Chuck Lever authored
seg1->mr_nsegs is not yet initialized when it is used to unmap segments during an error exit. Use the same unmapping logic for all error exits. "if (frmr_wr.wr.fast_reg.length < len) {" used to be a BUG_ON check. The broken code will never be executed under normal operation. Fixes: c977dea2 (xprtrdma: Remove BUG_ON() call sites) Signed-off-by:
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- 22 Jul, 2014 1 commit
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Yan Burman authored
Fix the following warning when DMA-API debug is enabled by checking ib_dma_map_single result: [ 1455.345548] ------------[ cut here ]------------ [ 1455.346863] WARNING: CPU: 3 PID: 3929 at /home/yanb/kernel/net-next/lib/dma-debug.c:1140 check_unmap+0x4e5/0x990() [ 1455.349350] mlx4_core 0000:00:07.0: DMA-API: device driver failed to check map error[device address=0x000000007c9f2090] [size=2656 bytes] [mapped as single] [ 1455.349350] Modules linked in: xprtrdma netconsole configfs nfsv3 nfs_acl ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm autofs4 auth_rpcgss oid_registry nfsv4 nfs fscache lockd sunrpc dm_mirror dm_region_hash dm_log microcode pcspkr mlx4_ib ib_sa ib_mad ib_core ib_addr mlx4_en ipv6 ptp pps_core vxlan mlx4_core virtio_balloon cirrus ttm drm_kms_helper drm sysimgblt sysfillrect syscopyarea i2c_piix4 i2c_core button ext3 jbd virtio_blk virtio_net virtio_pci virtio_ring virtio uhci_hcd ata_generic ata_piix libata [ 1455.349350] CPU: 3 PID: 3929 Comm: mount.nfs Not tainted 3.15.0-rc1-dbg+ #13 [ 1455.349350] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007 [ 1455.349350] 0000000000000474 ffff880069dcf628 ffffffff8151c341 ffffffff817b69d8 [ 1455.349350] ffff880069dcf678 ffff880069dcf668 ffffffff8105b5fc 0000000069dcf658 [ 1455.349350] ffff880069dcf778 ffff88007b0c9f00 ffffffff8255ec40 0000000000000a60 [ 1455.349350] Call Trace: [ 1455.349350] [<ffffffff8151c341>] dump_stack+0x52/0x81 [ 1455.349350] [<ffffffff8105b5fc>] warn_slowpath_common+0x8c/0xc0 [ 1455.349350] [<ffffffff8105b6e6>] warn_slowpath_fmt+0x46/0x50 [ 1455.349350] [<ffffffff812e6305>] check_unmap+0x4e5/0x990 [ 1455.349350] [<ffffffff81521fb0>] ? _raw_spin_unlock_irq+0x30/0x60 [ 1455.349350] [<ffffffff812e6a0a>] debug_dma_unmap_page+0x5a/0x60 [ 1455.349350] [<ffffffffa0389583>] rpcrdma_deregister_internal+0xb3/0xd0 [xprtrdma] [ 1455.349350] [<ffffffffa038a639>] rpcrdma_buffer_destroy+0x69/0x170 [xprtrdma] [ 1455.349350] [<ffffffffa03872ff>] xprt_rdma_destroy+0x3f/0xb0 [xprtrdma] [ 1455.349350] [<ffffffffa04a95ff>] xprt_destroy+0x6f/0x80 [sunrpc] [ 1455.349350] [<ffffffffa04a9625>] xprt_put+0x15/0x20 [sunrpc] [ 1455.349350] [<ffffffffa04a899a>] rpc_free_client+0x8a/0xe0 [sunrpc] [ 1455.349350] [<ffffffffa04a8a58>] rpc_release_client+0x68/0xa0 [sunrpc] [ 1455.349350] [<ffffffffa04a9060>] rpc_shutdown_client+0xb0/0xc0 [sunrpc] [ 1455.349350] [<ffffffffa04a8f5d>] ? rpc_ping+0x5d/0x70 [sunrpc] [ 1455.349350] [<ffffffffa04a91ab>] rpc_create_xprt+0xbb/0xd0 [sunrpc] [ 1455.349350] [<ffffffffa04a9273>] rpc_create+0xb3/0x160 [sunrpc] [ 1455.349350] [<ffffffff81129749>] ? __probe_kernel_read+0x69/0xb0 [ 1455.349350] [<ffffffffa053851c>] nfs_create_rpc_client+0xdc/0x100 [nfs] [ 1455.349350] [<ffffffffa0538cfa>] nfs_init_client+0x3a/0x90 [nfs] [ 1455.349350] [<ffffffffa05391c8>] nfs_get_client+0x478/0x5b0 [nfs] [ 1455.349350] [<ffffffffa0538e50>] ? nfs_get_client+0x100/0x5b0 [nfs] [ 1455.349350] [<ffffffff81172c6d>] ? kmem_cache_alloc_trace+0x24d/0x260 [ 1455.349350] [<ffffffffa05393f3>] nfs_create_server+0xf3/0x4c0 [nfs] [ 1455.349350] [<ffffffffa0545ff0>] ? nfs_request_mount+0xf0/0x1a0 [nfs] [ 1455.349350] [<ffffffffa031c0c3>] nfs3_create_server+0x13/0x30 [nfsv3] [ 1455.349350] [<ffffffffa0546293>] nfs_try_mount+0x1f3/0x230 [nfs] [ 1455.349350] [<ffffffff8108ea21>] ? get_parent_ip+0x11/0x50 [ 1455.349350] [<ffffffff812d6343>] ? __this_cpu_preempt_check+0x13/0x20 [ 1455.349350] [<ffffffff810d632b>] ? try_module_get+0x6b/0x190 [ 1455.349350] [<ffffffffa05449f7>] nfs_fs_mount+0x187/0x9d0 [nfs] [ 1455.349350] [<ffffffffa0545940>] ? nfs_clone_super+0x140/0x140 [nfs] [ 1455.349350] [<ffffffffa0543b20>] ? nfs_auth_info_match+0x40/0x40 [nfs] [ 1455.349350] [<ffffffff8117e360>] mount_fs+0x20/0xe0 [ 1455.349350] [<ffffffff811a1c16>] vfs_kern_mount+0x76/0x160 [ 1455.349350] [<ffffffff811a29a8>] do_mount+0x428/0xae0 [ 1455.349350] [<ffffffff811a30f0>] SyS_mount+0x90/0xe0 [ 1455.349350] [<ffffffff8152af52>] system_call_fastpath+0x16/0x1b [ 1455.349350] ---[ end trace f1f31572972e211d ]--- Signed-off-by:
Yan Burman <yanb@mellanox.com> Reviewed-by:
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- 21 Jul, 2014 9 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull more IIO driver fixes from Greg KH: "Here are two IIO driver fixes for 3.16-rc6 that resolve some reported issues" * tag 'staging-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: iio: mma8452: Use correct acceleration units. iio:core: Handle error when mask type is not separate
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are two USB patches that resolve some reported issues, one with an odd HUB, and one in the chipidea driver" * tag 'usb-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: Check if port status is equal to RxDetect usb: chipidea: udc: Disable auto ZLP generation on ep0
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Linus Torvalds authored
Merge tag 'driver-core-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fix from Greg KH: "Here is a single driver core fix that reverts an older patch that has been causing a number of reported problems with the platform devices. This revert has been in linux-next for a while with no reported issues" * tag 'driver-core-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: platform_get_irq: Revert to platform_get_resource if of_irq_get fails
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char/misc fix from Greg KH: "Here's a single hyper-v driver fix for a reported issue" * tag 'char-misc-3.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: Drivers: hv: hv_fcopy: fix a race condition for SMP guest
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull intel drm fixes from Dave Airlie: "Intel fixes came in late, but since I debugged one of them I'll send them on, Two reverts, a quirk and one warn regression" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: Revert "drm/i915: reverse dp link param selection, prefer fast over wide again" drm/i915: Track the primary plane correctly when reassigning planes drm/i915: Ignore VBT backlight presence check on HP Chromebook 14 Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/umlLinus Torvalds authored
Pull UML fixes from Richard Weinberger: "Four fixes, all discovered by Trinity" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: segv: Save regs only in case of a kernel mode fault um: Fix hung task in fix_range_common() um: Ensure that a stub page cannot get unmapped Revert "um: Fix wait_stub_done() error handling"
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull btrfs fixes from Chris Mason: "We have two more fixes in my for-linus branch. I was hoping to also include a fix for a btrfs deadlock with compression enabled, but we're still nailing that one down" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: test for valid bdev before kobj removal in btrfs_rm_device Btrfs: fix abnormal long waiting in fsync
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git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds authored
Pull NFS client fixes from Trond Myklebust: "Apologies for the relative lateness of this pull request, however the commits fix some issues with the NFS read/write code updates in 3.16-rc1 that can cause serious Oopsing when using small r/wsize. The delay was mainly due to extra testing to make sure that the fixes behave correctly. Highlights include; - Stable fix for an NFSv3 posix ACL regression - Multiple fixes for regressions to the NFS generic read/write code: - Fix page splitting bugs that come into play when a small rsize/wsize read/write needs to be sent again (due to error conditions or page redirty) - Fix nfs_wb_page_cancel, which is called by the "invalidatepage" method - Fix 2 compile warnings about unused variables - Fix a performance issue affecting unstable writes" * tag 'nfs-for-3.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFS: Don't reset pg_moreio in __nfs_pageio_add_request NFS: Remove 2 unused variables nfs: handle multiple reqs in nfs_wb_page_cancel nfs: handle multiple reqs in nfs_page_async_flush nfs: change find_request to find_head_request nfs: nfs_page should take a ref on the head req nfs: mark nfs_page reqs with flag for extra ref nfs: only show Posix ACLs in listxattr if actually present
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- 20 Jul, 2014 4 commits
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Richard Weinberger authored
...otherwise me lose user mode regs and the resulting stack trace is useless. Signed-off-by:Richard Weinberger <richard@nod.at>
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Richard Weinberger authored
If do_ops() fails we have to release current->mm->mmap_sem otherwise the failing task will never terminate. Reported-by:
Toralf Förster <toralf.foerster@gmx.de> Signed-off-by:
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Richard Weinberger authored
Trinity discovered an execution path such that a task can unmap his stub page. Reported-by:
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Richard Weinberger authored
This reverts commit 0974a9ca. The real for for that issue is to release current->mm->mmap_sem in fix_range_common(). Signed-off-by:
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- 19 Jul, 2014 10 commits
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Eric Sandeen authored
commit 99994cde btrfs: dev delete should remove sysfs entry added a btrfs_kobj_rm_device, which dereferences device->bdev... right after we check whether device->bdev might be NULL. I don't honestly know if it's possible to have a NULL device->bdev here, but assuming that it is (given the test), we need to move the kobject removal to be under that test. (Coverity spotted this) Signed-off-by:
Eric Sandeen <sandeen@redhat.com> Signed-off-by:
Chris Mason <clm@fb.com>
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Liu Bo authored
xfstests generic/127 detected this problem. With commit 7fc34a62, now fsync will only flush data within the passed range. This is the cause of the above problem, -- btrfs's fsync has a stage called 'sync log' which will wait for all the ordered extents it've recorded to finish. In xfstests/generic/127, with mixed operations such as truncate, fallocate, punch hole, and mapwrite, we get some pre-allocated extents, and mapwrite will mmap, and then msync. And I find that msync will wait for quite a long time (about 20s in my case), thanks to ftrace, it turns out that the previous fallocate calls 'btrfs_wait_ordered_range()' to flush dirty pages, but as the range of dirty pages may be larger than 'btrfs_wait_ordered_range()' wants, there can be some ordered extents created but not getting corresponding pages flushed, then they're left in memory until we fsync which runs into the stage 'sync log', and fsync will just wait for the system writeback thread to flush those pages and get ordered extents finished, so the latency is inevitable. This adds a flush similar to btrfs_start_ordered_extent() in btrfs_wait_logged_extents() to fix that. Reviewed-by:
Miao Xie <miaox@cn.fujitsu.com> Signed-off-by:
Liu Bo <bo.li.liu@oracle.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixes from Thomas Gleixner: "The locking department delivers: - A rather large and intrusive bundle of fixes to address serious performance regressions introduced by the new rwsem / mcs technology. Simpler solutions have been discussed, but they would have been ugly bandaids with more risk than doing the right thing. - Make the rwsem spin on owner technology opt-in for architectures and enable it only on the known to work ones. - A few fixes to the lockdep userspace library" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/rwsem: Add CONFIG_RWSEM_SPIN_ON_OWNER locking/mutex: Disable optimistic spinning on some architectures locking/rwsem: Reduce the size of struct rw_semaphore locking/rwsem: Rename 'activity' to 'count' locking/spinlocks/mcs: Micro-optimize osq_unlock() locking/spinlocks/mcs: Introduce and use init macro and function for osq locks locking/spinlocks/mcs: Convert osq lock to atomic_t to reduce overhead locking/spinlocks/mcs: Rename optimistic_spin_queue() to optimistic_spin_node() locking/rwsem: Allow conservative optimistic spinning when readers have lock tools/liblockdep: Account for bitfield changes in lockdeps lock_acquire tools/liblockdep: Remove debug print left over from development tools/liblockdep: Fix comparison of a boolean value with a value of 2 -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fix from Thomas Gleixner: "Prevent a possible divide by zero in the debugging code" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Fix possible divide by zero in avg_atom() calculation
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq fixes from Thomas Gleixner: "Three patches addressing shortcomings in the ARM gic interrupt chip driver" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip: gic: Fix core ID calculation when topology is read from DT irqchip: gic: Add binding probe for ARM GIC400 irqchip: gic: Add support for cortex a7 compatible string
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fix from Thomas Gleixner: "A single fix for a long standing issue in the alarm timer subsystem, which was noticed recently when people finally started to use alarm timers for serious work" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: alarmtimer: Fix bug where relative alarm timers were treated as absolute
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull RCU fixes from Thomas Gleixner: "Two RCU patches: - Address a serious performance regression on open/close caused by commit ac1bea85 ("Make cond_resched() report RCU quiescent states") - Export RCU debug functions. Not a regression, but enablement to address a serious recursion bug in the sl*b allocators in 3.17" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: rcu: Reduce overhead of cond_resched() checks for RCU rcu: Export debug_init_rcu_head() and and debug_init_rcu_head() -
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "A smaller set of fixes this week, and all regression fixes: - a handful of issues fixed on at91 with common clock conversion - a set of fixes for Marvell mvebu (SMP, coherency, PM) - a clock fix for i.MX6Q. - ... and a SMP/hotplug fix for Exynos" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: EXYNOS: Fix core ID used by platsmp and hotplug code ARM: at91/dt: add missing clocks property to pwm node in sam9x5.dtsi ARM: at91/dt: fix usb0 clocks definition in sam9n12 dtsi ARM: at91: at91sam9x5: correct typo error for ohci clock ARM: clk-imx6q: parent lvds_sel input from upstream clock gates ARM: mvebu: Fix coherency bus notifiers by using separate notifiers ARM: mvebu: Fix the operand list in the inline asm of armada_370_xp_pmsu_idle_enter ARM: mvebu: fix SMP boot for Armada 38x and Armada 375 Z1 in big endian
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git://anongit.freedesktop.org/drm-intelDave Airlie authored
But in any case nothing really shocking in here, 2 reverts, 1 quirk and a regression fix a WARN. * tag 'drm-intel-fixes-2014-07-18' of git://anongit.freedesktop.org/drm-intel: Revert "drm/i915: reverse dp link param selection, prefer fast over wide again" drm/i915: Track the primary plane correctly when reassigning planes drm/i915: Ignore VBT backlight presence check on HP Chromebook 14 Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Peter Anvin: "A couple of key fixes and a few less critical ones. The main ones are: - add a .bss section to the PE/COFF headers when building with EFI stub - invoke the correct paravirt magic when building the espfix page tables Unfortunately both of these areas also have at least one additional fix each still in thie pipeline, but which are not yet ready to push" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Remove unused variable "polling" x86/espfix/xen: Fix allocation of pages for paravirt page tables x86/efi: Include a .bss section within the PE/COFF headers efi: fdt: Do not report an error during boot if UEFI is not available efi/arm64: efistub: remove local copy of linux_banner
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