- 14 Mar, 2018 5 commits
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Christoph Hellwig authored
Switch to a single interface for flushing the log to a specific LSN, which gives consistent trace point coverage and a less confusing interface. The was only a single user of the previous xfs_log_force_lsn function, which now also passes a NULL log_flushed argument. Signed-off-by:
Christoph Hellwig <hch@lst.de> Reviewed-by:
Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by:
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Christoph Hellwig authored
Switch to a single interface for flushing the whole log, which gives consistent trace point coverage, and removes the unused log_flushed argument for the previous _xfs_log_force callers. Signed-off-by:
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Christoph Hellwig authored
Signed-off-by:
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Christoph Hellwig authored
The function now does something, and that something is central to our inode logging scheme. Signed-off-by:
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Christoph Hellwig authored
Signed-off-by:
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- 12 Mar, 2018 19 commits
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Brian Foster authored
The rmapbt perag metadata reservation reserves blocks for the reverse mapping btree (rmapbt). Since the rmapbt uses blocks from the agfl and perag accounting is updated as blocks are allocated from the allocation btrees, the reservation actually accounts blocks as they are allocated to (or freed from) the agfl rather than the rmapbt itself. While this works for blocks that are eventually used for the rmapbt, not all agfl blocks are destined for the rmapbt. Blocks that are allocated to the agfl (and thus "reserved" for the rmapbt) but then used by another structure leads to a growing inconsistency over time between the runtime tracking of rmapbt usage vs. actual rmapbt usage. Since the runtime tracking thinks all agfl blocks are rmapbt blocks, it essentially believes that less future reservation is required to satisfy the rmapbt than what is actually necessary. The inconsistency is rectified across mount cycles because the perag reservation is initialized based on the actual rmapbt usage at mount time. The problem, however, is that the excessive drain of the reservation at runtime opens a window to allocate blocks for other purposes that might be required for the rmapbt on a subsequent mount. This problem can be demonstrated by a simple test that runs an allocation workload to consume agfl blocks over time and then observe the difference in the agfl reservation requirement across an unmount/mount cycle: mount ...: xfs_ag_resv_init: ... resv 3193 ask 3194 len 3194 ... ... : xfs_ag_resv_alloc_extent: ... resv 2957 ask 3194 len 1 umount...: xfs_ag_resv_free: ... resv 2956 ask 3194 len 0 mount ...: xfs_ag_resv_init: ... resv 3052 ask 3194 len 3194 As the above tracepoints show, the reservation requirement reduces from 3194 blocks to 2956 blocks as the workload runs. Without any other changes in the filesystem, the same reservation requirement jumps from 2956 to 3052 blocks over a umount/mount cycle. To address this divergence, update the RMAPBT reservation to account blocks used for the rmapbt only rather than all blocks filled into the agfl. This patch makes several high-level changes toward that end: 1.) Reintroduce an AGFL reservation type to serve as an accounting no-op for blocks allocated to (or freed from) the AGFL. 2.) Invoke RMAPBT usage accounting from the actual rmapbt block allocation path rather than the AGFL allocation path. The first change is required because agfl blocks are considered free blocks throughout their lifetime. The perag reservation subsystem is invoked unconditionally by the allocation subsystem, so we need a way to tell the perag subsystem (via the allocation subsystem) to not make any accounting changes for blocks filled into the AGFL. The second change causes the in-core RMAPBT reservation usage accounting to remain consistent with the on-disk state at all times and eliminates the risk of leaving the rmapbt reservation underfilled. Signed-off-by:Brian Foster <bfoster@redhat.com> Reviewed-by:
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Brian Foster authored
The AGFL perag reservation type accounts all allocations that feed into (or are released from) the allocation group free list (agfl). The purpose of the reservation is to support worst case conditions for the reverse mapping btree (rmapbt). As such, the agfl reservation usage accounting only considers rmapbt usage when the in-core counters are initialized at mount time. This implementation inconsistency leads to divergence of the in-core and on-disk usage accounting over time. In preparation to resolve this inconsistency and adjust the AGFL reservation into an rmapbt specific reservation, rename the AGFL reservation type and associated accounting fields to something more rmapbt-specific. Also fix up a couple tracepoints that incorrectly use the AGFL reservation type to pass the agfl state of the associated extent where the raw reservation type is expected. Note that this patch does not change perag reservation behavior. Signed-off-by:
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Brian Foster authored
The extent swap mechanism requires a unique implementation for rmapbt enabled filesystems. Because the rmapbt tracks extent owner information, extent swap must individually unmap and remap each extent between the two inodes. The rmapbt extent swap transaction block reservation currently accounts for the worst case bmapbt block and rmapbt block consumption based on the extent count of each inode. There is a corner case that exists due to the extent swap implementation that is not covered by this reservation, however. If one of the associated inodes is just over the max extent count used for extent format inodes (i.e., the inode is in btree format by a single extent), the unmap/remap cycle of the extent swap can bounce the inode between extent and btree format multiple times, almost as many times as there are extents in the inode (if the opposing inode happens to have one less, for example). Each back and forth cycle involves a block free and allocation, which isn't a problem except for that the initial transaction reservation must account for the total number of block allocations performed by the chain of deferred operations. If not, a block reservation overrun occurs and the filesystem shuts down. Update the rmapbt extent swap block reservation to check for this situation and add some block reservation slop to ensure the entire operation succeeds. We'd never likely require reservation for both inodes as fsr wouldn't defrag the file in that case, but the additional reservation is constrained by the data fork size so be cautious and check for both. Signed-off-by:
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Brian Foster authored
The ->t_blk_res_used field tracks how many blocks have been used in the current transaction. This should never exceed the block reservation (->t_blk_res) for a particular transaction. We currently assert this condition in the transaction block accounting code, but otherwise take no additional action should this situation occur. The overrun generally has no effect if space ends up being available and the associated transaction commits. If the transaction is duplicated, however, the current block usage is used to determine the remaining block reservation to be transferred to the new transaction. If usage exceeds reservation, this calculation underflows and creates a transaction with an invalid and excessive reservation. When the second transaction commits, the release of unused blocks corrupts the in-core free space counters. With lazy superblock accounting enabled, this inconsistency eventually trickles to the on-disk superblock and corrupts the filesystem. Replace the transaction block usage accounting assert with an explicit overrun check. If the transaction overruns the reservation, shutdown the filesystem immediately to prevent corruption. Add a new assert to xfs_trans_dup() to catch any callers that might induce this invalid state in the future. Signed-off-by:
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Matthew Wilcox authored
This is a simple rename, except that xa_ail becomes ail_head. Signed-off-by:
Matthew Wilcox <mawilcox@microsoft.com> Reviewed-by:
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Dave Chinner authored
Noticed when looking at why cycling 600k inodes/s through the inode cache was taking a total of 8% cpu in memset() during inode initialisation. There is no need to zero the inode.i_data structure twice. This increases single threaded bulkstat throughput from ~200,000 inodes/s to ~220,000 inodes/s, so we save a substantial amount of CPU time per inode init by doing this. Signed-Off-By:
Dave Chinner <dchinner@redhat.com> Reviewed-by:
Jan Kara <jack@suse.cz> Reviewed-by:
Carlos Maiolino <cmaiolino@redhat.com> Reviewed-by:
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Dave Chinner authored
The AGFL size calculation is about to get more complex, so lets turn the macro into a function first and remove the macro. Signed-off-by:
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Darrick J. Wong authored
There's no point in allocating a transaction and locking the inode in preparation to clear cow blocks if there actually are any cow fork extents. Therefore, move the xfs_reflink_cancel_cow_range hunk to xfs_inactive and check the cow ifp first. This makes inode reclamation run faster. Signed-off-by:
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Darrick J. Wong authored
Yet another round of playing whack-a-mole with directory code that asserts on corrupt on-disk metadata when it really should be returning -EFSCORRUPTED instead of ASSERTing. Found by a xfs/391 crash while lastbit fuzzing of ltail.bestcount. Signed-off-by:
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Darrick J. Wong authored
In xfs_qm_dqalloc, we join the locked quota inode to the transaction we use to allocate blocks. If the allocation or mapping fails, we're not allowed to unlock the inode because the transaction code is in charge of unlocking it for us. Therefore, remove the iunlock call to avoid blowing asserts about unbalanced locking + mount hang. Found by corrupting the AGF and allocating space in the filesystem (quotacheck) immediately after mount. The upcoming agfl wrapping fixup test will trigger this scenario. Signed-off-by:
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Vratislav Bendel authored
Due to an inverted logic mistake in xfs_buftarg_isolate() the xfs_buffers with zero b_lru_ref will take another trip around LRU, while isolating buffers with non-zero b_lru_ref. Additionally those isolated buffers end up right back on the LRU once they are released, because b_lru_ref remains elevated. Fix that circuitous route by leaving them on the LRU as originally intended. Signed-off-by:
Vratislav Bendel <vbendel@redhat.com> Reviewed-by:
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Dave Chinner authored
xfs_trans_alloc() does GFP_KERNEL allocation, and we can call it while holding pages locked for writeback in the ->writepages path. The memory allocation is allowed to wait on pages under writeback, and so can wait on pages that are tagged as writeback by the caller. This affects both pre-IO submission and post-IO submission paths. Hence xfs_setsize_trans_alloc(), xfs_reflink_end_cow(), xfs_iomap_write_unwritten() and xfs_reflink_cancel_cow_range(). xfs_iomap_write_unwritten() already does the right thing, but the others don't. Fix them. Signed-Off-By:
Eric Sandeen <sandeen@redhat.com> Reviewed-by:
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Christoph Hellwig authored
Use the VFS dirty inode tracking for lazytime inodes only, and just log them in ->dirty_inode. Signed-off-by:
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Christoph Hellwig authored
__mark_inode_dirty already takes care of that, and for the XFS lazytime implementation we need to know that ->dirty_inode was called because I_DIRTY_TIME was set. Signed-off-by:
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Nikolay Borisov authored
The memcpy is guarded by a check which is performed a right before we call xfs_log_dinode_to_disk. At this point we are sure this check will always be false otherwise we would have errored out. So let's remove this dead weight. Signed-off-by:
Nikolay Borisov <nborisov@suse.com> Reviewed-by:
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Carlos Maiolino authored
Remove unused legacy btree traces from IRIX era. Signed-off-by:
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Eric Sandeen authored
The dmevmask structure member is a dmapi leftover; it's set here and there but never actually used. Remove it. Signed-off-by:
Bill O'Donnell <billodo@redhat.com> Reviewed-by:
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Dave Chinner authored
When using large directory blocks, we regularly see memory allocations of >64k being made for the shadow log vector buffer. When we are under memory pressure, kmalloc() may not be able to find contiguous memory chunks large enough to satisfy these allocations easily, and if memory is fragmented we can potentially stall here. TO avoid this problem, switch the log vector buffer allocation to use kmem_alloc_large(). This will allow failed allocations to fall back to vmalloc and so remove the dependency on large contiguous regions of memory being available. This should prevent slowdowns and potential stalls when memory is low and/or fragmented. Signed-Off-By:
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Linus Torvalds authored
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- 11 Mar, 2018 8 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86/pti updates from Thomas Gleixner: "Yet another pile of melted spectrum related updates: - Drop native vsyscall support finally as it causes more trouble than benefit. - Make microcode loading more robust. There were a few issues especially related to late loading which are now surfacing because late loading of the IB* microcodes addressing spectre issues has become more widely used. - Simplify and robustify the syscall handling in the entry code - Prevent kprobes on the entry trampoline code which lead to kernel crashes when the probe hits before CR3 is updated - Don't check microcode versions when running on hypervisors as they are considered as lying anyway. - Fix the 32bit objtool build and a coment typo" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/kprobes: Fix kernel crash when probing .entry_trampoline code x86/pti: Fix a comment typo x86/microcode: Synchronize late microcode loading x86/microcode: Request microcode on the BSP x86/microcode/intel: Look into the patch cache first x86/microcode: Do not upload microcode if CPUs are offline x86/microcode/intel: Writeback and invalidate caches before updating microcode x86/microcode/intel: Check microcode revision before updating sibling threads x86/microcode: Get rid of struct apply_microcode_ctx x86/spectre_v2: Don't check microcode versions when running under hypervisors x86/vsyscall/64: Drop "native" vsyscalls x86/entry/64/compat: Save one instruction in entry_INT80_compat() x86/entry: Do not special-case clone(2) in compat entry x86/syscalls: Use COMPAT_SYSCALL_DEFINEx() macros for x86-only compat syscalls x86/syscalls: Use proper syscall definition for sys_ioperm() x86/entry: Remove stale syscall prototype x86/syscalls/32: Simplify $entry == $compat entries objtool: Fix 32-bit build -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fix from Thomas Gleixner: "Just a single fix which adds a missing Kconfig dependency to avoid unmet dependency warnings" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource/atmel-st: Add 'depends on HAS_IOMEM' to fix unmet dependency
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull RAS fixes from Thomas Gleixner: "Two small fixes for RAS/MCE: - Serialize sysfs changes to avoid concurrent modificaiton of underlying data - Add microcode revision to Machine Check records. This should have been there forever, but now with the broken microcode versions in the wild it has become important" * 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/MCE: Serialize sysfs changes x86/MCE: Save microcode revision in machine check records -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf updates from Thomas Gleixner: "Another set of perf updates: - Fix a Skylake Uncore event format declaration - Prevent perf pipe mode from crahsing which was caused by a missing buffer allocation - Make the perf top popup message which tells the user that it uses fallback mode on older kernels a debug message. - Make perf context rescheduling work correcctly - Robustify the jump error drawing in perf browser mode so it does not try to create references to NULL initialized offset entries - Make trigger_on() robust so it does not enable the trigger before everything is set up correctly to handle it - Make perf auxtrace respect the --no-itrace option so it does not try to queue AUX data for decoding. - Prevent having different number of field separators in CVS output lines when a counter is not supported. - Make the perf kallsyms man page usage behave like it does for all other perf commands. - Synchronize the kernel headers" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Fix ctx_event_type in ctx_resched() perf tools: Fix trigger class trigger_on() perf auxtrace: Prevent decoding when --no-itrace perf stat: Fix CVS output format for non-supported counters tools headers: Sync x86's cpufeatures.h tools headers: Sync copy of kvm UAPI headers perf record: Fix crash in pipe mode perf annotate browser: Be more robust when drawing jump arrows perf top: Fix annoying fallback message on older kernels perf kallsyms: Fix the usage on the man page perf/x86/intel/uncore: Fix Skylake UPI event format -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fix from Thomas Gleixner: "rt_mutex_futex_unlock() grew a new irq-off call site, but the function assumes that its always called from irq enabled context. Use (un)lock_irqsafe() to handle the new call site correctly" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: rtmutex: Make rt_mutex_futex_unlock() safe for irq-off callsites
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull dmaengine fixes from Vinod Koul: "Two small fixes are for this cycle: - fix max_chunk_size for rcar-dmac for R-Car Gen3 - fix clock resource of mv_xor_v2" * tag 'dmaengine-fix-4.16-rc5' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: mv_xor_v2: Fix clock resource by adding a register clock dmaengine: rcar-dmac: fix max_chunk_size for R-Car Gen3
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpioLinus Torvalds authored
Pull GPIO fix from Linus Walleij: "This is a single GPIO fix for the v4.16 series affecting the Renesas driver, and fixes wakeup from external stuff" * tag 'gpio-v4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: rcar: Use wakeup_path i.s.o. explicit clock handling
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Gregory CLEMENT authored
On the CP110 components which are present on the Armada 7K/8K SoC we need to explicitly enable the clock for the registers. However it is not needed for the AP8xx component, that's why this clock is optional. With this patch both clock have now a name, but in order to be backward compatible, the name of the first clock is not used. It allows to still use this clock with a device tree using the old binding. Signed-off-by:
Gregory CLEMENT <gregory.clement@bootlin.com> Reviewed-by:
Rob Herring <robh@kernel.org> Signed-off-by:
Vinod Koul <vinod.koul@intel.com>
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- 10 Mar, 2018 8 commits
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Linus Torvalds authored
Merge tag 'kbuild-fixes-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - make fixdep parse kconfig.h to fix missing rebuild - replace hyphens with underscores in builtin DTB label names - fix typos * tag 'kbuild-fixes-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: Handle builtin dtb file names containing hyphens scripts/bloat-o-meter: fix typos in help fixdep: do not ignore kconfig.h fixdep: remove some false CONFIG_ matches fixdep: remove stale references to uml-config.h
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git://www.linux-watchdog.org/linux-watchdogLinus Torvalds authored
Pull watchdog fixes from Wim Van Sebroeck: - f71808e_wdt: Fix magic close handling - sbsa: 32-bit read fix for WCV - hpwdt: Remove legacy NMI sourcing * tag 'linux-watchdog-4.16-fixes-2' of git://www.linux-watchdog.org/linux-watchdog: watchdog: hpwdt: Remove legacy NMI sourcing. watchdog: sbsa: use 32-bit read for WCV watchdog: f71808e_wdt: Fix magic close handling
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: - a xen-blkfront fix from Bhavesh with a multiqueue fix when detaching/re-attaching - a few important NVMe fixes, including a revert for a sysfs fix that caused some user space confusion - two bcache fixes by way of Michael Lyle - a loop regression fix, fixing an issue with lost writes on DAX. * tag 'for-linus-20180309' of git://git.kernel.dk/linux-block: loop: Fix lost writes caused by missing flag nvme_fc: rework sqsize handling nvme-fabrics: Ignore nr_io_queues option for discovery controllers xen-blkfront: move negotiate_mq to cover all cases of new VBDs Revert "nvme: create 'slaves' and 'holders' entries for hidden controllers" bcache: don't attach backing with duplicate UUID bcache: fix crashes in duplicate cache device register nvme: pci: pass max vectors as num_possible_cpus() to pci_alloc_irq_vectors nvme-pci: Fix EEH failure on ppc
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Linus Torvalds authored
Merge tag 'for-4.16/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - Fix an uninitialized variable false warning in dm bufio - Fix DM's passthrough ioctl support to be race free against an underlying device being removed. - Fix corner-case of DM raid resync reporting if/when the raid becomes degraded during resync; otherwise automated raid repair will fail. - A few DM multipath fixes to make non-SCSI optimizations, that were introduced during the 4.16 merge, useful for all non-SCSI devices, rather than narrowly define this non-SCSI mode in terms of "nvme". This allows the removal of "queue_mode nvme" that really didn't need to be introduced. Instead DM core will internalize whether nvme-specific IO submission optimizations are doable and DM multipath will only do SCSI-specific device handler operations if SCSI is in use. * tag 'for-4.16/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm table: allow upgrade from bio-based to specialized bio-based variant dm mpath: remove unnecessary NVMe branching in favor of scsi_dh checks dm table: fix "nvme" test dm raid: fix incorrect sync_ratio when degraded dm: use blkdev_get rather than bdgrab when issuing pass-through ioctl dm bufio: avoid false-positive Wmaybe-uninitialized warning
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds authored
Pull rdma fixes from Doug Ledford: - Various driver bug fixes in mlx5, mlx4, bnxt_re and qedr, ranging from bugs under load to bad error case handling - There in one largish patch fixing the locking in bnxt_re to avoid a machine hard lock situation - A few core bugs on error paths - A patch to reduce stack usage in the new CQ API - One mlx5 regression introduced in this merge window - There were new syzkaller scripts written for the RDMA subsystem and we are fixing issues found by the bot - One of the commits (aa0de36a “RDMA/mlx5: Fix integer overflow while resizing CQ”) is missing part of the commit log message and one of the SOB lines. The original patch was from Leon Romanovsky, and a cut-n-paste separator in the commit message confused patchworks which then put the end of message separator in the wrong place in the downloaded patch, and I didn’t notice in time. The patch made it into the official branch, and the only way to fix it in-place was to rebase. Given the pain that a rebase causes, and the fact that the patch has relevant tags for stable and syzkaller, a revert of the munged patch and a reapplication of the original patch with the log message intact was done. * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (25 commits) RDMA/mlx5: Fix integer overflow while resizing CQ Revert "RDMA/mlx5: Fix integer overflow while resizing CQ" RDMA/ucma: Check that user doesn't overflow QP state RDMA/mlx5: Fix integer overflow while resizing CQ RDMA/ucma: Limit possible option size IB/core: Fix possible crash to access NULL netdev RDMA/bnxt_re: Avoid Hard lockup during error CQE processing RDMA/core: Reduce poll batch for direct cq polling IB/mlx5: Fix an error code in __mlx5_ib_modify_qp() IB/mlx5: When not in dual port RoCE mode, use provided port as native IB/mlx4: Include GID type when deleting GIDs from HW table under RoCE IB/mlx4: Fix corruption of RoCEv2 IPv4 GIDs RDMA/qedr: Fix iWARP write and send with immediate RDMA/qedr: Fix kernel panic when running fio over NFSoRDMA RDMA/qedr: Fix iWARP connect with port mapper RDMA/qedr: Fix ipv6 destination address resolution IB/core : Add null pointer check in addr_resolve RDMA/bnxt_re: Fix the ib_reg failure cleanup RDMA/bnxt_re: Fix incorrect DB offset calculation RDMA/bnxt_re: Unconditionly fence non wire memory operations ...
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git://git.infradead.org/linux-platform-drivers-x86Linus Torvalds authored
Pull x86 platform driver fixes from Darren Hart: "Correct a module loading race condition between the DELL_SMBIOS backend modules and the first user by converting them to bool features of the DELL_SMBIOS driver. Fixup the resulting Kconfig dependency issue with DCDBAS" * tag 'platform-drivers-x86-v4.16-6' of git://git.infradead.org/linux-platform-drivers-x86: platform/x86: dell-smbios: Resolve dependency error on DCDBAS platform/x86: Allow for SMBIOS backend defaults platform/x86: dell-smbios: Link all dell-smbios-* modules together platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-base platform/x86: dell-smbios: Correct some style warnings
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull KVM fixes from Radim Krčmář: "PPC: - Fix guest time accounting in the host - Fix large-page backing for radix guests on POWER9 - Fix HPT guests on POWER9 backed by 2M or 1G pages - Compile fixes for some configs and gcc versions s390: - Fix random memory corruption when running as guest2 (e.g. KVM in LPAR) and starting guest3 (e.g. nested KVM) with many CPUs - Export forgotten io interrupt delivery statistics counter" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: s390: fix memory overwrites when not using SCA entries KVM: PPC: Book3S HV: Fix guest time accounting with VIRT_CPU_ACCOUNTING_GEN KVM: PPC: Book3S HV: Fix VRMA initialization with 2MB or 1GB memory backing KVM: PPC: Book3S HV: Fix handling of large pages in radix page fault handler KVM: s390: provide io interrupt kvm_stat KVM: PPC: Book3S: Fix compile error that occurs with some gcc versions KVM: PPC: Fix compile error that occurs when CONFIG_ALTIVEC=n -
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen fix from Juergen Gross: "Just one fix for the correct error handling after a failed device_register()" * tag 'for-linus-4.16a-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: xenbus: use put_device() instead of kfree()
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