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  1. 24 Dec, 2020 18 commits
    • Linus Torvalds's avatar
      Merge tag 'docs-5.11-2' of git:// · 71c5f031
      Linus Torvalds authored
      Pull documentation fixes from Jonathan Corbet:
       "A small set of late-arriving, small documentation fixes"
      * tag 'docs-5.11-2' of git://
        docs: admin-guide: Fix default value of max_map_count in sysctl/vm.rst
        Documentation/submitting-patches: Document the SoB chain
        Documentation: process: Correct numbering
        docs: submitting-patches: Trivial - fix grammatical error
    • Linus Torvalds's avatar
      Merge tag 'ext4_for_linus' of git:// · 555a6e8c
      Linus Torvalds authored
      Pull ext4 updates from Ted Ts'o:
       "Various bug fixes and cleanups for ext4; no new features this cycle"
      * tag 'ext4_for_linus' of git:// (29 commits)
        ext4: remove unnecessary wbc parameter from ext4_bio_write_page
        ext4: avoid s_mb_prefetch to be zero in individual scenarios
        ext4: defer saving error info from atomic context
        ext4: simplify ext4 error translation
        ext4: move functions in super.c
        ext4: make ext4_abort() use __ext4_error()
        ext4: standardize error message in ext4_protect_reserved_inode()
        ext4: remove redundant sb checksum recomputation
        ext4: don't remount read-only with errors=continue on reboot
        ext4: fix deadlock with fs freezing and EA inodes
        jbd2: add a helper to find out number of fast commit blocks
        ext4: make fast_commit.h byte identical with e2fsprogs/fast_commit.h
        ext4: fix fall-through warnings for Clang
        ext4: add docs about fast commit idempotence
        ext4: remove the unused EXT4_CURRENT_REV macro
        ext4: fix an IS_ERR() vs NULL check
        ext4: check for invalid block size early when mounting a file system
        ext4: fix a memory leak of ext4_free_data
        ext4: delete nonsensical (commented-out) code inside ext4_xattr_block_set()
        ext4: update ext4_data_block_valid related comments
    • Linus Torvalds's avatar
      Merge tag 'Smack-for-5.11-io_uring-fix' of git:// · 2f2fce3d
      Linus Torvalds authored
      Pull smack fix from Casey Schaufler:
       "Provide a fix for the incorrect handling of privilege in the face of
        io_uring's use of kernel threads. That invalidated an long standing
        assumption regarding the privilege of kernel threads.
        The fix is simple and safe. It was provided by Jens Axboe and has been
      * tag 'Smack-for-5.11-io_uring-fix' of git://
        Smack: Handle io_uring kernel thread privileges
    • Linus Torvalds's avatar
      Merge tag 'riscv-for-linus-5.11-rc1' of git:// · 7a2fde8d
      Linus Torvalds authored
      Pull RISC-V fix from Palmer Dabbelt
       "Avoid trying to initialize memory regions outside the usable range"
      * tag 'riscv-for-linus-5.11-rc1' of git://
        RISC-V: Fix usage of memblock_enforce_memory_limit
    • Linus Torvalds's avatar
      Merge tag 'powerpc-5.11-2' of git:// · 9b3f7f1b
      Linus Torvalds authored
      Pull powerpc fixes from Michael Ellerman:
       - Four commits fixing various things in the new C VDSO code
       - One fix for a 32-bit VMAP stack bug
       - Two minor build fixes
      Thanks to Cédric Le Goater, Christophe Leroy, and Will Springer.
      * tag 'powerpc-5.11-2' of git://
        powerpc/32: Fix vmap stack - Properly set r1 before activating MMU on syscall too
        powerpc/vdso: Fix DOTSYM for 32-bit LE VDSO
        powerpc/vdso: Don't pass 64-bit ABI cflags to 32-bit VDSO
        powerpc/vdso: Block R_PPC_REL24 relocations
        powerpc/smp: Add __init to init_big_cores()
        powerpc/time: Force inlining of get_tb()
        powerpc/boot: Fix build of dts/fsl
    • Linus Torvalds's avatar
      Merge tag 'irq-core-2020-12-23' of git:// · 3913d00a
      Linus Torvalds authored
      Pull irq updates from Thomas Gleixner:
       "This is the second attempt after the first one failed miserably and
        got zapped to unblock the rest of the interrupt related patches.
        A treewide cleanup of interrupt descriptor (ab)use with all sorts of
        racy accesses, inefficient and disfunctional code. The goal is to
        remove the export of irq_to_desc() to prevent these things from
        creeping up again"
      * tag 'irq-core-2020-12-23' of git:// (30 commits)
        genirq: Restrict export of irq_to_desc()
        xen/events: Implement irq distribution
        xen/events: Reduce irq_info:: Spurious_cnt storage size
        xen/events: Only force affinity mask for percpu interrupts
        xen/events: Use immediate affinity setting
        xen/events: Remove disfunct affinity spreading
        xen/events: Remove unused bind_evtchn_to_irq_lateeoi()
        net/mlx5: Use effective interrupt affinity
        net/mlx5: Replace irq_to_desc() abuse
        net/mlx4: Use effective interrupt affinity
        net/mlx4: Replace irq_to_desc() abuse
        PCI: mobiveil: Use irq_data_get_irq_chip_data()
        PCI: xilinx-nwl: Use irq_data_get_irq_chip_data()
        NTB/msi: Use irq_has_action()
        mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc
        pinctrl: nomadik: Use irq_has_action()
        drm/i915/pmu: Replace open coded kstat_irqs() copy
        drm/i915/lpe_audio: Remove pointless irq_to_desc() usage
        s390/irq: Use irq_desc_kstat_cpu() in show_msi_interrupt()
        parisc/irq: Use irq_desc_kstat_cpu() in show_interrupts()
    • Linus Torvalds's avatar
      Merge tag 'efi_updates_for_v5.11' of git:// · 4a1106af
      Linus Torvalds authored
      Pull EFI updates from Borislav Petkov:
       "These got delayed due to a last minute ia64 build issue which got
        fixed in the meantime.
        EFI updates collected by Ard Biesheuvel:
         - Don't move BSS section around pointlessly in the x86 decompressor
         - Refactor helper for discovering the EFI secure boot mode
         - Wire up EFI secure boot to IMA for arm64
         - Some fixes for the capsule loader
         - Expose the RT_PROP table via the EFI test module
         - Relax DT and kernel placement restrictions on ARM
        with a few followup fixes:
         - fix the build breakage on IA64 caused by recent capsule loader
         - suppress a type mismatch build warning in the expansion of
           EFI_PHYS_ALIGN on ARM"
      * tag 'efi_updates_for_v5.11' of git://
        efi: arm: force use of unsigned type for EFI_PHYS_ALIGN
        efi: ia64: disable the capsule loader
        efi: stub: get rid of efi_get_max_fdt_addr()
        efi/efi_test: read RuntimeServicesSupported
        efi: arm: reduce minimum alignment of uncompressed kernel
        efi: capsule: clean scatter-gather entries from the D-cache
        efi: capsule: use atomic kmap for transient sglist mappings
        efi: x86/xen: switch to efi_get_secureboot_mode helper
        arm64/ima: add ima_arch support
        ima: generalize x86/EFI arch glue for other EFI architectures
        efi: generalize efi_get_secureboot
        efi/libstub: EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER should not default to yes
        efi/x86: Only copy the compressed kernel image in efi_relocate_kernel()
        efi/libstub/x86: simplify efi_is_native()
    • Linus Torvalds's avatar
      Merge tag 'io_uring-5.11-2020-12-23' of git:// · 60e8edd2
      Linus Torvalds authored
      Pull io_uring fixes from Jens Axboe:
       "All straight fixes, or a prep patch for a fix, either bound for stable
        or fixing issues from this merge window. In particular:
         - Fix new shutdown op not breaking links on failure
         - Hold mm->mmap_sem for mm->locked_vm manipulation
         - Various cancelation fixes (me, Pavel)
         - Fix error path potential double ctx free (Pavel)
         - IOPOLL fixes (Xiaoguang)"
      * tag 'io_uring-5.11-2020-12-23' of git://
        io_uring: hold uring_lock while completing failed polled io in io_wq_submit_work()
        io_uring: fix double io_uring free
        io_uring: fix ignoring xa_store errors
        io_uring: end waiting before task cancel attempts
        io_uring: always progress task_work on task cancel
        io-wq: kill now unused io_wq_cancel_all()
        io_uring: make ctx cancel on exit targeted to actual ctx
        io_uring: fix 0-iov read buffer select
        io_uring: close a small race gap for files cancel
        io_uring: fix io_wqe->work_list corruption
        io_uring: limit {io|sq}poll submit locking scope
        io_uring: inline io_cqring_mark_overflow()
        io_uring: consolidate CQ nr events calculation
        io_uring: remove racy overflow list fast checks
        io_uring: cancel reqs shouldn't kill overflow list
        io_uring: hold mmap_sem for mm->locked_vm manipulation
        io_uring: break links on shutdown failure
    • Linus Torvalds's avatar
      Merge tag 'block-5.11-2020-12-23' of git:// · 771e7e41
      Linus Torvalds authored
      Pull block fixes from Jens Axboe:
       "A few stragglers in here, but mostly just straight fixes. In
         - Set of rnbd fixes for issues around changes for the merge window
           (Gioh, Jack, Md Haris Iqbal)
         - iocost tracepoint addition (Baolin)
         - Copyright/maintainers update (Christoph)
         - Remove old blk-mq fast path CPU warning (Daniel)
         - loop max_part fix (Josh)
         - Remote IPI threaded IRQ fix (Sebastian)
         - dasd stable fixes (Stefan)
         - bcache merge window fixup and style fixup (Yi, Zheng)"
      * tag 'block-5.11-2020-12-23' of git://
        md/bcache: convert comma to semicolon
        bcache:remove a superfluous check in register_bcache
        block: update some copyrights
        block: remove a pointless self-reference in block_dev.c
        MAINTAINERS: add fs/block_dev.c to the block section
        blk-mq: Don't complete on a remote CPU in force threaded mode
        s390/dasd: fix list corruption of lcu list
        s390/dasd: fix list corruption of pavgroup group list
        s390/dasd: prevent inconsistent LCU device data
        s390/dasd: fix hanging device offline processing
        blk-iocost: Add iocg idle state tracepoint
        nbd: Respect max_part for all partition scans
        block/rnbd-clt: Does not request pdu to rtrs-clt
        block/rnbd-clt: Dynamically allocate sglist for rnbd_iu
        block/rnbd: Set write-back cache and fua same to the target device
        block/rnbd: Fix typos
        block/rnbd-srv: Protect dev session sysfs removal
        block/rnbd-clt: Fix possible memleak
        block/rnbd-clt: Get rid of warning regarding size argument in strlcpy
        blk-mq: Remove 'running from the wrong CPU' warning
    • Linus Torvalds's avatar
      Merge tag 'libnvdimm-for-5.11' of git:// · 1f13d2f7
      Linus Torvalds authored
      Pull libnvdimm updates from Dan Williams:
       "Twas the day before Christmas and the only thing stirring in libnvdimm
        / device-dax land is a pile of miscellaneous fixups and cleanups.
        The bulk of it has appeared in -next save the last two patches to
        device-dax that have passed my build and unit tests.
         - Fix a long standing block-window-namespace issue surfaced by the
           ndctl change to attempt to preserve the kernel device name over
           a 'reconfigure'
         - Fix a few error path memory leaks in nfit and device-dax
         - Silence a smatch warning in the ioctl path
         - Miscellaneous cleanups"
      * tag 'libnvdimm-for-5.11' of git://
        device-dax: Avoid an unnecessary check in alloc_dev_dax_range()
        device-dax: Fix range release
        device-dax: delete a redundancy check in dev_dax_validate_align()
        libnvdimm/label: Return -ENXIO for no slot in __blk_label_update
        device-dax/core: Fix memory leak when rmmod dax.ko
        device-dax/pmem: Convert comma to semicolon
        libnvdimm: Cleanup include of badblocks.h
        ACPI: NFIT: Fix input validation of bus-family
        libnvdimm/namespace: Fix reaping of invalidated block-window-namespace labels
        ACPI/nfit: avoid accessing uninitialized memory in acpi_nfit_ctl()
    • Linus Torvalds's avatar
      Merge tag 'drm-next-2020-12-24' of git:// · ef2c8b81
      Linus Torvalds authored
      Pull drm fixes from Dave Airlie:
       "Xmas eve pull request present.
        Just some fixes that trickled in this past week: Mostly amdgpu fixes,
        with a dma-buf/mips build fix and some misc komeda fixes.
         - fix build on mips
         - fix commit tail operation order
         - NULL pointer fix
         - out of bounds access fix
         - remove an unused function
         - Vangogh SMU fixes
         - Arcturus gfx9 fixes
         - Misc display fixes
         - Sienna Cichlid SMU update
         - Fix S3 display memory leak
         - Fix regression caused by DP sub-connector support
         - Properly require pcie atomics for gfx10"
      * tag 'drm-next-2020-12-24' of git:// (31 commits)
        drm/amd/display: Fix memory leaks in S3 resume
        drm/amdgpu: Fix a copy-pasta comment
        drm/amdgpu: only set DP subconnector type on DP and eDP connectors
        drm/amd/pm: bump Sienna Cichlid smu_driver_if version to match latest pmfw
        drm/amd/display: add getter routine to retrieve mpcc mux
        drm/amd/display: always program DPPDTO unless not safe to lower
        drm/amd/display: [FW Promotion] Release 0.0.47
        drm/amd/display: updated wm table for Renoir
        drm/amd/display: Acquire DSC during split stream for ODM only if top_pipe
        drm/amd/display: Multi-display underflow observed
        drm/amd/display: Remove unnecessary NULL check
        drm/amd/display: Update RN/VGH active display count workaround
        drm/amd/display: change SMU repsonse timeout to 2s.
        drm/amd/display: gradually ramp ABM intensity
        drm/amd/display: To modify the condition in indicating branch device
        drm/amd/display: Modify the hdcp device count check condition
        drm/amd/display: Interfaces for hubp blank and soft reset
        drm/amd/display: handler not correctly checked at remove_irq_handler
        drm/amdgpu: check gfx pipe availability before toggling its interrupts
        drm/amdgpu: remove unnecessary asic type check
    • Linus Torvalds's avatar
      Merge tag 'devicetree-fixes-for-5.11-1' of git:// · 14571d5f
      Linus Torvalds authored
      Pull devicetree fixes from Rob Herring:
       - Correct the JSON pointer syntax in binding schemas
       - Drop unnecessary *-supply schema constraints
       - Drop redundant maxItems/items on array schemas
       - Fix various yamllint warnings
       - Fix various missing 'additionalProperties' properties
      * tag 'devicetree-fixes-for-5.11-1' of git://
        dt-bindings: Drop redundant maxItems/items
        dt-bindings: net: qcom,ipa: Drop unnecessary type ref on 'memory-region'
        dt-bindings: Drop unnecessary *-supply schemas properties
        dt-bindings/display: abt,y030xx067a: Fix binding
        dt-bindings: clock: imx8qxp-lpcg: eliminate yamllint warnings
        dt-bindings: display: eliminate yamllint warnings
        dt-bindings: media: nokia,smia: eliminate yamllint warnings
        dt-bindings: devapc: add the required property 'additionalProperties'
        dt-bindings: soc: add the required property 'additionalProperties'
        dt-bindings: serial: add the required property 'additionalProperties'
        dt-bindings: xlnx,vcu-settings: fix dt_binding_check warnings
        media: dt-bindings: coda: Add missing 'additionalProperties'
        dt-bindings: Fix JSON pointers
    • Linus Torvalds's avatar
      Merge tag 'for_linus' of git:// · 64145482
      Linus Torvalds authored
      Pull virtio updates from Michael Tsirkin:
       - vdpa sim refactoring
       - virtio mem: Big Block Mode support
       - misc cleanus, fixes
      * tag 'for_linus' of git:// (61 commits)
        vdpa: Use simpler version of ida allocation
        vdpa: Add missing comment for virtqueue count
        uapi: virtio_ids: add missing device type IDs from OASIS spec
        uapi: virtio_ids.h: consistent indentions
        vhost scsi: fix error return code in vhost_scsi_set_endpoint()
        virtio_ring: Fix two use after free bugs
        virtio_net: Fix error code in probe()
        virtio_ring: Cut and paste bugs in vring_create_virtqueue_packed()
        tools/virtio: add barrier for aarch64
        tools/virtio: add krealloc_array
        tools/virtio: include asm/bug.h
        vdpa/mlx5: Use write memory barrier after updating CQ index
        vdpa: split vdpasim to core and net modules
        vdpa_sim: split vdpasim_virtqueue's iov field in out_iov and in_iov
        vdpa_sim: make vdpasim->buffer size configurable
        vdpa_sim: use kvmalloc to allocate vdpasim->buffer
        vdpa_sim: set vringh notify callback
        vdpa_sim: add set_config callback in vdpasim_dev_attr
        vdpa_sim: add get_config callback in vdpasim_dev_attr
        vdpa_sim: make 'config' generic and usable for any device type
    • Dan Williams's avatar
      Merge branch 'for-5.11/dax' into for-5.11/libnvdimm · 127c3d2e
      Dan Williams authored
      Pull in miscellaneous device-dax fixups and cleanups for v5.11.
    • Zhen Lei's avatar
      device-dax: Avoid an unnecessary check in alloc_dev_dax_range() · ff8da37d
      Zhen Lei authored
      Swap the calling sequence of krealloc() and __request_region(), call the
      latter first. In this way, the value of dev_dax->nr_range does not need to
      be considered when __request_region() failed.
      Signed-off-by: default avatarZhen Lei <>
      Signed-off-by: default avatarDan Williams <>
    • Dan Williams's avatar
      device-dax: Fix range release · 6268d7da
      Dan Williams authored
      There are multiple locations that open-code the release of the last
      range in a device-dax instance. Consolidate this into a new
      dev_dax_trim_range() helper.
      This also addresses a kmemleak report:
      # cat /sys/kernel/debug/kmemleak
      unreferenced object 0xffff976bd46f6240 (size 64):
         comm "ndctl", pid 23556, jiffies 4299514316 (age 5406.733s)
         hex dump (first 32 bytes):
           00 00 00 00 00 00 00 00 00 00 20 c3 37 00 00 00  .......... .7...
           ff ff ff 7f 38 00 00 00 00 00 00 00 00 00 00 00  ....8...........
           [<00000000064003cf>] __kmalloc_track_caller+0x136/0x379
           [<00000000d85e3c52>] krealloc+0x67/0x92
           [<00000000d7d3ba8a>] __alloc_dev_dax_range+0x73/0x25c
           [<0000000027d58626>] devm_create_dev_dax+0x27d/0x416
           [<00000000434abd43>] __dax_pmem_probe+0x1c9/0x1000 [dax_pmem_core]
           [<0000000083726c1c>] dax_pmem_probe+0x10/0x1f [dax_pmem]
           [<00000000b5f2319c>] nvdimm_bus_probe+0x9d/0x340 [libnvdimm]
           [<00000000c055e544>] really_probe+0x230/0x48d
           [<000000006cabd38e>] driver_probe_device+0x122/0x13b
           [<0000000029c7b95a>] device_driver_attach+0x5b/0x60
           [<0000000053e5659b>] bind_store+0xb7/0xc3
           [<00000000d3bdaadc>] drv_attr_store+0x27/0x31
           [<00000000949069c5>] sysfs_kf_write+0x4a/0x57
           [<000000004a8b5adf>] kernfs_fop_write+0x150/0x1e5
           [<00000000bded60f0>] __vfs_write+0x1b/0x34
           [<00000000b92900f0>] vfs_write+0xd8/0x1d1
      Reported-by: default avatarJane Chu <>
      Cc: Zhen Lei <>
      Signed-off-by: default avatarDan Williams <>
    • Dave Airlie's avatar
      Merge tag 'amd-drm-fixes-5.11-2020-12-23' of... · 5b2fc08c
      Dave Airlie authored
      Merge tag 'amd-drm-fixes-5.11-2020-12-23' of git://
       into drm-next
      - Vangogh SMU fixes
      - Arcturus gfx9 fixes
      - Misc display fixes
      - Sienna Cichlid SMU update
      - Fix S3 display memory leak
      - Fix regression caused by DP sub-connector support
      - Properly require pcie atomics for gfx10
      Signed-off-by: default avatarDave Airlie <>
      From: Alex Deucher <>
    • Dave Airlie's avatar
      Merge tag 'drm-misc-next-fixes-2020-12-22' of... · 399895b3
      Dave Airlie authored
      Merge tag 'drm-misc-next-fixes-2020-12-22' of git://
       into drm-next
      Short summary of fixes pull:
       * dma-buf: Include <linux/vmalloc.h> for building on MIPS
       * komeda: Fix order of operation in commit tail; Fix NULL-pointer and
                 out-of-bounds access; Cleanups
       * ttm: Fix an unused-function warning
      Signed-off-by: default avatarDave Airlie <>
      From: Thomas Zimmermann <>
  2. 23 Dec, 2020 22 commits