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2020-05-04xfs: merge the ->diff_items defer op into ->create_intentChristoph Hellwig6-16/+20
This avoids a per-item indirect call, and also simplifies the interface a bit. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: merge the ->log_item defer op into ->create_intentChristoph Hellwig6-119/+83
These are aways called together, and my merging them we reduce the amount of indirect calls, improve type safety and in general clean up the code a bit. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: factor out a xfs_defer_create_intent helperChristoph Hellwig1-16/+23
Create a helper that encapsulates the whole logic to create a defer intent. This reorders some of the work that was done, but none of that has an affect on the operation as only fields that don't directly interact are affected. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: remove the xfs_inode_log_item_t typedefChristoph Hellwig5-7/+7
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: remove the xfs_efd_log_item_t typedefChristoph Hellwig1-2/+2
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: remove the xfs_efi_log_item_t typedefChristoph Hellwig3-8/+8
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: refactor xlog_recover_buffer_pass1Christoph Hellwig1-59/+55
Split out a xlog_add_buffer_cancelled helper which does the low-level manipulation of the buffer cancelation table, and in that helper call xlog_find_buffer_cancelled instead of open coding it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: simplify xlog_recover_inode_ra_pass2Christoph Hellwig1-13/+8
Don't bother to allocate memory and convert the log item when we only need the block number and the length. Just extract them directly and call xlog_buf_readahead separately in each branch. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: factor out a xlog_buf_readahead helperChristoph Hellwig1-17/+17
Add a little helper to readahead a buffer if it hasn't been cancelled. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: rename inode_list xlog_recover_reorder_transChristoph Hellwig1-4/+4
This list contains pretty much everything that is not a buffer. The comment calls it item_list, which is a much better name than inode list, so switch the actual variable name to that as well. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: refactor the buffer cancellation table helpersChristoph Hellwig1-59/+50
Replace the somewhat convoluted use of xlog_peek_buffer_cancelled and xlog_check_buffer_cancelled with two obvious helpers: xlog_is_buffer_cancelled, which returns true if there is a buffer in the cancellation table, and xlog_put_buffer_cancelled, which also decrements the reference count of the buffer cancellation table. Both share a little helper to look up the entry. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: define printk_once variants for xfs messagesEric Sandeen3-9/+24
There are a couple places where we directly call printk_once() and one of them doesn't follow the standard xfs subsystem printk format as a result. #define printk_once variants to go with our existing printk_ratelimited #defines so we can do one-shot printks in a consistent manner. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: stop CONFIG_XFS_DEBUG from changing compiler flagsArnd Bergmann1-2/+0
I ran into a linker warning in XFS that originates from a mismatch between libelf, binutils and objtool when certain files in the kernel are built with "gcc -g": x86_64-linux-ld: fs/xfs/xfs_trace.o: unable to initialize decompress status for section .debug_info After some discussion, nobody could identify why xfs sets this flag here. CONFIG_XFS_DEBUG used to enable lots of unrelated settings, but now its main purpose is to enable extra consistency checks and assertions that are unrelated to the debug info. Remove the Makefile logic to set the flag here. If anyone relies on the debug info, this can simply be enabled again with the global CONFIG_DEBUG_INFO option. Dave Chinner writes: I'm pretty sure it was needed for the original kgdb integration back in the early 2000s. That was when SGI used to patch their XFS dev tree with kgdb and debug symbols were needed by the custom kgdb modules that were ported across from the Irix kernel debugger. ISTR that the early kcrash kernel dump analysis tools (again, originated from the Irix "icrash" kernel dump tools) had custom XFS debug scripts that needed also the debug info to work correctly... Which is a long way of saying "we don't need it anymore" instead of "nobody knows why it was set"... :) Suggested-by: Christoph Hellwig <hch@infradead.org> Link: https://lore.kernel.org/lkml/20200409074130.GD21033@infradead.org/ Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Allison Collins <allison.henderson@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: remove unnecessary check of the variable resblks in xfs_symlinkKaixu Xia1-4/+2
Since the "no-allocation" reservations has been removed, the resblks value should be larger than zero, so remove the unnecessary check. Signed-off-by: Kaixu Xia <kaixuxia@tencent.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: simplify the flags setting in xfs_qm_scall_quotaonKaixu Xia1-3/+3
Simplify the setting of the flags value, and only consider quota enforcement stuff here. Signed-off-by: Kaixu Xia <kaixuxia@tencent.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: remove unnecessary assertion from xfs_qm_vop_create_dqattachKaixu Xia1-1/+0
The check XFS_IS_QUOTA_RUNNING() has been done when enter the xfs_qm_vop_create_dqattach() function, it will return directly if the result is false, so the followed XFS_IS_QUOTA_RUNNING() assertion is unnecessary. If we truly care about this, the check also can be added to the condition of next if statements. Signed-off-by: Kaixu Xia <kaixuxia@tencent.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: remove unnecessary variable udqp from xfs_ioctl_setattrKaixu Xia1-5/+2
The initial value of variable udqp is NULL, and we only set the flag XFS_QMOPT_PQUOTA in xfs_qm_vop_dqalloc() function, so only the pdqp value is initialized and the udqp value is still NULL. Since the udqp value is NULL in the rest part of xfs_ioctl_setattr() function, it is meaningless and do nothing. So remove it from xfs_ioctl_setattr(). Signed-off-by: Kaixu Xia <kaixuxia@tencent.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: reserve quota inode transaction space only when neededKaixu Xia1-1/+2
We share an inode between gquota and pquota with the older superblock that doesn't have separate pquotino, and for the need_alloc == false case we don't need to call xfs_dir_ialloc() function, so add the check if reserved free disk blocks is needed. Signed-off-by: Kaixu Xia <kaixuxia@tencent.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: combine two if statements with same conditionKaixu Xia1-5/+0
The two if statements have same condition, and the mask value does not change in xfs_setattr_nonsize(), so combine them. Signed-off-by: Kaixu Xia <kaixuxia@tencent.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: trace quota allocations for all quota typesKaixu Xia1-2/+1
The trace event xfs_dquot_dqalloc does not depend on the value uq, so remove the condition, and trace quota allocations for all quota types. Signed-off-by: Kaixu Xia <kaixuxia@tencent.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-05-04xfs: report unrecognized log item type codes during recoveryDarrick J. Wong1-2/+2
When we're sorting recovered log items ahead of recovering them and encounter a log item of unknown type, actually print the type code when we're rejecting the whole transaction to aid in debugging. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2020-05-03Linux 5.7-rc4v5.7-rc4Linus Torvalds1-1/+1
2020-05-03Merge tag 'for-5.7-rc3-tag' of ↵Linus Torvalds4-7/+53
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull more btrfs fixes from David Sterba: "A few more stability fixes, minor build warning fixes and git url fixup: - fix partial loss of prealloc extent past i_size after fsync - fix potential deadlock due to wrong transaction handle passing via journal_info - fix gcc 4.8 struct intialization warning - update git URL in MAINTAINERS entry" * tag 'for-5.7-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: MAINTAINERS: btrfs: fix git repo URL btrfs: fix gcc-4.8 build warning for struct initializer btrfs: transaction: Avoid deadlock due to bad initialization timing of fs_info::journal_info btrfs: fix partial loss of prealloc extent past i_size after fsync
2020-05-03Merge tag 'iommu-fixes-v5.7-rc3' of ↵Linus Torvalds5-7/+11
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU fixes from Joerg Roedel: - Fix a memory leak when dev_iommu gets freed and a sub-pointer does not - Build dependency fixes for Mediatek, spapr_tce, and Intel IOMMU driver - Export iommu_group_get_for_dev() only for GPLed modules - Fix AMD IOMMU interrupt remapping when x2apic is enabled - Fix error path in the QCOM IOMMU driver probe function * tag 'iommu-fixes-v5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/qcom: Fix local_base status check iommu: Properly export iommu_group_get_for_dev() iommu/vt-d: Use right Kconfig option name iommu/amd: Fix legacy interrupt remapping for x2APIC-enabled system iommu: spapr_tce: Disable compile testing to fix build on book3s_32 config iommu/mediatek: Fix MTK_IOMMU dependencies iommu: Fix the memory leak in dev_iommu_free()
2020-05-03MAINTAINERS: btrfs: fix git repo URLEric Biggers1-1/+1
The git repo listed for btrfs hasn't been updated in over a year. List the current one instead. Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2020-05-02Merge tag 'pm-5.7-rc4' of ↵Linus Torvalds3-3/+10
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: - prevent the intel_pstate driver from printing excessive diagnostic messages in some cases (Chris Wilson) - make the hibernation restore kernel freeze kernel threads as well as user space tasks (Dexuan Cui) - fix the ACPI device PM disagnostic messages to include the correct power state name (Kai-Heng Feng). * tag 'pm-5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM: ACPI: Output correct message on target power state PM: hibernate: Freeze kernel threads in software_resume() cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once
2020-05-02Merge branches 'pm-cpufreq' and 'pm-sleep'Rafael J. Wysocki2-1/+8
* pm-cpufreq: cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once * pm-sleep: PM: hibernate: Freeze kernel threads in software_resume()
2020-05-02Merge tag 'iomap-5.7-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds2-4/+9
Pull iomap fix from Darrick Wong: "Hoist the check for an unrepresentable FIBMAP return value into ioctl_fibmap. The internal kernel function can handle 64-bit values (and is needed to fix a regression on ext4 + jbd2). It is only the userspace ioctl that is so old that it cannot deal" * tag 'iomap-5.7-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: fibmap: Warn and return an error in case of block > INT_MAX
2020-05-02Merge tag 'nfs-for-5.7-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds10-36/+79
Pull NFS client bugfixes from Trond Myklebust: "Highlights include: Stable fixes: - fix handling of backchannel binding in BIND_CONN_TO_SESSION Bugfixes: - Fix a credential use-after-free issue in pnfs_roc() - Fix potential posix_acl refcnt leak in nfs3_set_acl - defer slow parts of rpc_free_client() to a workqueue - Fix an Oopsable race in __nfs_list_for_each_server() - Fix trace point use-after-free race - Regression: the RDMA client no longer responds to server disconnect requests - Fix return values of xdr_stream_encode_item_{present, absent} - _pnfs_return_layout() must always wait for layoutreturn completion Cleanups: - Remove unreachable error conditions" * tag 'nfs-for-5.7-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFS: Fix a race in __nfs_list_for_each_server() NFSv4.1: fix handling of backchannel binding in BIND_CONN_TO_SESSION SUNRPC: defer slow parts of rpc_free_client() to a workqueue. NFSv4: Remove unreachable error condition due to rpc_run_task() SUNRPC: Remove unreachable error condition xprtrdma: Fix use of xdr_stream_encode_item_{present, absent} xprtrdma: Fix trace point use-after-free race xprtrdma: Restore wake-up-all to rpcrdma_cm_event_handler() nfs: Fix potential posix_acl refcnt leak in nfs3_set_acl NFS/pnfs: Fix a credential use-after-free issue in pnfs_roc() NFS/pnfs: Ensure that _pnfs_return_layout() waits for layoutreturn completion
2020-05-02Merge tag 'dmaengine-fix-5.7-rc4' of ↵Linus Torvalds10-60/+65
git://git.infradead.org/users/vkoul/slave-dma Pull dmaengine fixes from Vinod Koul: "Core: - Documentation typo fixes - fix the channel indexes - dmatest: fixes for process hang and iterations Drivers: - hisilicon: build error fix without PCI_MSI - ti-k3: deadlock fix - uniphier-xdmac: fix for reg region - pch: fix data race - tegra: fix clock state" * tag 'dmaengine-fix-5.7-rc4' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: dmatest: Fix process hang when reading 'wait' parameter dmaengine: dmatest: Fix iteration non-stop logic dmaengine: tegra-apb: Ensure that clock is enabled during of DMA synchronization dmaengine: fix channel index enumeration dmaengine: mmp_tdma: Reset channel error on release dmaengine: mmp_tdma: Do not ignore slave config validation errors dmaengine: pch_dma.c: Avoid data race between probe and irq handler dt-bindings: dma: uniphier-xdmac: switch to single reg region include/linux/dmaengine: Typos fixes in API documentation dmaengine: xilinx_dma: Add missing check for empty list dmaengine: ti: k3-psil: fix deadlock on error path dmaengine: hisilicon: Fix build error without PCI_MSI
2020-05-01Merge tag 'vfio-v5.7-rc4' of git://github.com/awilliam/linux-vfioLinus Torvalds1-5/+5
Pull VFIO fixes from Alex Williamson: - copy_*_user validity check for new vfio_dma_rw interface (Yan Zhao) - Fix a potential math overflow (Yan Zhao) - Use follow_pfn() for calculating PFNMAPs (Sean Christopherson) * tag 'vfio-v5.7-rc4' of git://github.com/awilliam/linux-vfio: vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn() vfio: avoid possible overflow in vfio_iommu_type1_pin_pages vfio: checking of validity of user vaddr in vfio_dma_rw
2020-05-01Merge tag 'arm64-fixes' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fix from Catalin Marinas: "Add -fasynchronous-unwind-tables to the vDSO CFLAGS" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: vdso: Add -fasynchronous-unwind-tables to cflags
2020-05-01Merge tag 'io_uring-5.7-2020-05-01' of git://git.kernel.dk/linux-blockLinus Torvalds1-27/+31
Pull io_uring fixes from Jens Axboe: - Fix for statx not grabbing the file table, making AT_EMPTY_PATH fail - Cover a few cases where async poll can handle retry, eliminating the need for an async thread - fallback request busy/free fix (Bijan) - syzbot reported SQPOLL thread exit fix for non-preempt (Xiaoguang) - Fix extra put of req for sync_file_range (Pavel) - Always punt splice async. We'll improve this for 5.8, but wanted to eliminate the inode mutex lock from the non-blocking path for 5.7 (Pavel) * tag 'io_uring-5.7-2020-05-01' of git://git.kernel.dk/linux-block: io_uring: punt splice async because of inode mutex io_uring: check non-sync defer_list carefully io_uring: fix extra put in sync_file_range() io_uring: use cond_resched() in io_ring_ctx_wait_and_kill() io_uring: use proper references for fallback_req locking io_uring: only force async punt if poll based retry can't handle it io_uring: enable poll retry for any file with ->read_iter / ->write_iter io_uring: statx must grab the file table for valid fd
2020-05-01Merge tag 'block-5.7-2020-05-01' of git://git.kernel.dk/linux-blockLinus Torvalds2-1/+3
Pull block fixes from Jens Axboe: "A few fixes for this release: - NVMe pull request from Christoph, with a single fix for a double free in the namespace error handling. - Kill the bd_openers check in blk_drop_partitions(), fixing a regression in this merge window (Christoph)" * tag 'block-5.7-2020-05-01' of git://git.kernel.dk/linux-block: block: remove the bd_openers checks in blk_drop_partitions nvme: prevent double free in nvme_alloc_ns() error handling
2020-05-01Merge branch 'i2c/for-current-fixed' of ↵Linus Torvalds4-26/+20
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Three driver bugfixes, and two reverts because the original patches revealed underlying problems which the Tegra guys are now working on" * 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: aspeed: Avoid i2c interrupt status clear race condition. i2c: amd-mp2-pci: Fix Oops in amd_mp2_pci_init() error handling Revert "i2c: tegra: Better handle case where CPU0 is busy for a long time" Revert "i2c: tegra: Synchronize DMA before termination" i2c: iproc: generate stop event for slave writes
2020-05-01Merge tag 'sound-5.7-rc4' of ↵Linus Torvalds8-33/+35
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Just a collection of small fixes around this time: - One more try for fixing PCM OSS regression - HD-audio: a new quirk for Lenovo, the improved driver blacklisting, a lock fix in the minor error path, and a fix for the possible race at monitor notifiaction - USB-audio: a quirk ID fix, a fix for POD HD500 workaround" * tag 'sound-5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usb-audio: Correct a typo of NuPrime DAC-10 USB ID ALSA: opti9xx: shut up gcc-10 range warning ALSA: hda/hdmi: fix without unlocked before return ALSA: hda/hdmi: fix race in monitor detection during probe ALSA: hda/realtek - Two front mics on a Lenovo ThinkCenter ALSA: line6: Fix POD HD500 audio playback ALSA: pcm: oss: Place the plugin buffer overflow checks correctly (for 5.7) ALSA: pcm: oss: Place the plugin buffer overflow checks correctly ALSA: hda: Match both PCI ID and SSID for driver blacklist
2020-05-01Merge tag 'drm-fixes-2020-05-01' of git://anongit.freedesktop.org/drm/drmLinus Torvalds40-154/+290
Pull drm fixes from Dave Airlie: "Regular scheduled fixes for graphics. Nothing to extreme bunch of amdgpu fixes, i915 and qxl fixes, along with some misc ones. All seems to be progressing normally. core: - EDID off by one DTD fix - DP mst write return code fix dma-buf: - fix SET_NAME ioctl uapi - doc fixes amdgpu: - Fix a green screen on resume issue - PM fixes for SR-IOV SDMA fix for navi - Renoir display fixes - Cursor and pageflip stuttering fixes - Misc additional display fixes - (uapi) Add additional DCC tiling flags for navi1x i915: - Fix selftest refcnt leak (Xiyu) - Fix gem vma lock (Chris) - Fix gt's i915_request.timeline acquire by checking if cacheline is valid (Chris) - Fix IRQ postinistall fault masks (Matt) qxl: - use after gree fix - fix lost kunmap - release leak fix virtio: - context destruction fix" * tag 'drm-fixes-2020-05-01' of git://anongit.freedesktop.org/drm/drm: (26 commits) dma-buf: fix documentation build warnings drm/qxl: qxl_release use after free drm/qxl: lost qxl_bo_kunmap_atomic_page in qxl_image_init_helper() drm/i915: Use proper fault mask in interrupt postinstall too drm/amd/display: Use cursor locking to prevent flip delays drm/amd/display: Update downspread percent to match spreadsheet for DCN2.1 drm/amd/display: Defer cursor update around VUPDATE for all ASIC drm/amd/display: fix rn soc bb update drm/amd/display: check if REFCLK_CNTL register is present drm/amdgpu: bump version for invalidate L2 before SDMA IBs drm/amdgpu: invalidate L2 before SDMA IBs (v2) drm/amdgpu: add tiling flags from Mesa drm/amd/powerplay: avoid using pm_en before it is initialized revised Revert "drm/amd/powerplay: avoid using pm_en before it is initialized" drm/qxl: qxl_release leak in qxl_hw_surface_alloc() drm/qxl: qxl_release leak in qxl_draw_dirty_fb() drm/virtio: only destroy created contexts drm/dp_mst: Fix drm_dp_send_dpcd_write() return code drm/i915/gt: Check cacheline is valid before acquiring drm/i915/gem: Hold obj->vma.lock over for_each_ggtt_vma() ...
2020-05-01Merge tag 'scsi-fixes' of ↵Linus Torvalds3-19/+19
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Four minor fixes: three in drivers and one in the core. The core one allows an additional state change that fixes a regression introduced by an update to the aacraid driver in the previous merge window" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: target/iblock: fix WRITE SAME zeroing scsi: qla2xxx: check UNLOADING before posting async work scsi: qla2xxx: set UNLOADING before waiting for session deletion scsi: core: Allow the state change from SDEV_QUIESCE to SDEV_BLOCK
2020-05-01io_uring: punt splice async because of inode mutexPavel Begunkov1-14/+2
Nonblocking do_splice() still may wait for some time on an inode mutex. Let's play safe and always punt it async. Reported-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-05-01io_uring: check non-sync defer_list carefullyPavel Begunkov1-1/+1
io_req_defer() do double-checked locking. Use proper helpers for that, i.e. list_empty_careful(). Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-05-01io_uring: fix extra put in sync_file_range()Pavel Begunkov1-1/+1
[ 40.179474] refcount_t: underflow; use-after-free. [ 40.179499] WARNING: CPU: 6 PID: 1848 at lib/refcount.c:28 refcount_warn_saturate+0xae/0xf0 ... [ 40.179612] RIP: 0010:refcount_warn_saturate+0xae/0xf0 [ 40.179617] Code: 28 44 0a 01 01 e8 d7 01 c2 ff 0f 0b 5d c3 80 3d 15 44 0a 01 00 75 91 48 c7 c7 b8 f5 75 be c6 05 05 44 0a 01 01 e8 b7 01 c2 ff <0f> 0b 5d c3 80 3d f3 43 0a 01 00 0f 85 6d ff ff ff 48 c7 c7 10 f6 [ 40.179619] RSP: 0018:ffffb252423ebe18 EFLAGS: 00010286 [ 40.179623] RAX: 0000000000000000 RBX: ffff98d65e929400 RCX: 0000000000000000 [ 40.179625] RDX: 0000000000000001 RSI: 0000000000000086 RDI: 00000000ffffffff [ 40.179627] RBP: ffffb252423ebe18 R08: 0000000000000001 R09: 000000000000055d [ 40.179629] R10: 0000000000000c8c R11: 0000000000000001 R12: 0000000000000000 [ 40.179631] R13: ffff98d68c434400 R14: ffff98d6a9cbaa20 R15: ffff98d6a609ccb8 [ 40.179634] FS: 0000000000000000(0000) GS:ffff98d6af580000(0000) knlGS:0000000000000000 [ 40.179636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.179638] CR2: 00000000033e3194 CR3: 000000006480a003 CR4: 00000000003606e0 [ 40.179641] Call Trace: [ 40.179652] io_put_req+0x36/0x40 [ 40.179657] io_free_work+0x15/0x20 [ 40.179661] io_worker_handle_work+0x2f5/0x480 [ 40.179667] io_wqe_worker+0x2a9/0x360 [ 40.179674] ? _raw_spin_unlock_irqrestore+0x24/0x40 [ 40.179681] kthread+0x12c/0x170 [ 40.179685] ? io_worker_handle_work+0x480/0x480 [ 40.179690] ? kthread_park+0x90/0x90 [ 40.179695] ret_from_fork+0x35/0x40 [ 40.179702] ---[ end trace 85027405f00110aa ]--- Opcode handler must never put submission ref, but that's what io_sync_file_range_finish() do. use io_steal_work() there. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-05-01iommu/qcom: Fix local_base status checkTang Bin1-1/+4
The function qcom_iommu_device_probe() does not perform sufficient error checking after executing devm_ioremap_resource(), which can result in crashes if a critical error path is encountered. Fixes: 0ae349a0f33f ("iommu/qcom: Add qcom_iommu") Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20200418134703.1760-1-tangbin@cmss.chinamobile.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-05-01iommu: Properly export iommu_group_get_for_dev()Greg Kroah-Hartman1-1/+1
In commit a7ba5c3d008d ("drivers/iommu: Export core IOMMU API symbols to permit modular drivers") a bunch of iommu symbols were exported, all with _GPL markings except iommu_group_get_for_dev(). That export should also be _GPL like the others. Fixes: a7ba5c3d008d ("drivers/iommu: Export core IOMMU API symbols to permit modular drivers") Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Will Deacon <will@kernel.org> Cc: Joerg Roedel <jroedel@suse.de> Cc: John Garry <john.garry@huawei.com> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20200430120120.2948448-1-gregkh@linuxfoundation.org Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-05-01iommu/vt-d: Use right Kconfig option nameLu Baolu1-2/+2
The CONFIG_ prefix should be added in the code. Fixes: 046182525db61 ("iommu/vt-d: Add Kconfig option to enable/disable scalable mode") Reported-and-tested-by: Kumar, Sanjay K <sanjay.k.kumar@intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Cc: Ashok Raj <ashok.raj@intel.com> Link: https://lore.kernel.org/r/20200501072427.14265-1-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-05-01iommu/amd: Fix legacy interrupt remapping for x2APIC-enabled systemSuravee Suthikulpanit1-1/+1
Currently, system fails to boot because the legacy interrupt remapping mode does not enable 128-bit IRTE (GA), which is required for x2APIC support. Fix by using AMD_IOMMU_GUEST_IR_LEGACY_GA mode when booting with kernel option amd_iommu_intr=legacy instead. The initialization logic will check GASup and automatically fallback to using AMD_IOMMU_GUEST_IR_LEGACY if GA mode is not supported. Fixes: 3928aa3f5775 ("iommu/amd: Detect and enable guest vAPIC support") Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Link: https://lore.kernel.org/r/1587562202-14183-1-git-send-email-suravee.suthikulpanit@amd.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-04-30io_uring: use cond_resched() in io_ring_ctx_wait_and_kill()Xiaoguang Wang1-1/+1
While working on to make io_uring sqpoll mode support syscalls that need struct files_struct, I got cpu soft lockup in io_ring_ctx_wait_and_kill(), while (ctx->sqo_thread && !wq_has_sleeper(&ctx->sqo_wait)) cpu_relax(); above loop never has an chance to exit, it's because preempt isn't enabled in the kernel, and the context calling io_ring_ctx_wait_and_kill() and io_sq_thread() run in the same cpu, if io_sq_thread calls a cond_resched() yield cpu and another context enters above loop, then io_sq_thread() will always in runqueue and never exit. Use cond_resched() can fix this issue. Reported-by: syzbot+66243bb7126c410cefe6@syzkaller.appspotmail.com Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-30io_uring: use proper references for fallback_req lockingBijan Mottahedeh1-2/+2
Use ctx->fallback_req address for test_and_set_bit_lock() and clear_bit_unlock(). Signed-off-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-30io_uring: only force async punt if poll based retry can't handle itJens Axboe1-2/+4
We do blocking retry from our poll handler, if the file supports polled notifications. Only mark the request as needing an async worker if we can't poll for it. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-30io_uring: enable poll retry for any file with ->read_iter / ->write_iterJens Axboe1-7/+13
We can have files like eventfd where it's perfectly fine to do poll based retry on them, right now io_file_supports_async() doesn't take that into account. Pass in data direction and check the f_op instead of just always needing an async worker. Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-05-01Merge tag 'amd-drm-fixes-5.7-2020-04-29' of ↵Dave Airlie24-105/+215
git://people.freedesktop.org/~agd5f/linux into drm-fixes amd-drm-fixes-5.7-2020-04-29: amdgpu: - Fix a green screen on resume issue - PM fixes for SR-IOV - SDMA fix for navi - Renoir display fixes - Cursor and pageflip stuttering fixes - Misc additional display fixes UAPI: - Add additional DCC tiling flags for navi1x Used by: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4697 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200429212008.4306-1-alexander.deucher@amd.com
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