1. 12 Jan, 2021 2 commits
    • Linus Torvalds's avatar
      Merge tag 'nfs-for-5.11-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs · e609571b
      Linus Torvalds authored
      Pull NFS client fixes from Trond Myklebust:
       "Highlights include:
      
         - Fix parsing of link-local IPv6 addresses
      
         - Fix confusing logging of mount errors that was introduced by the
           fsopen() patchset.
      
         - Fix a tracing use after free in _nfs4_do_setlk()
      
         - Layout return-on-close fixes when called from nfs4_evict_inode()
      
         - Layout segments were being leaked in
           pnfs_generic_clear_request_commit()
      
         - Don't leak DS commits in pnfs_generic_retry_commit()
      
         - Fix an Oopsable use-after-free when nfs_delegation_find_inode_server()
           calls iput() on an inode after the super block has gone away"
      
      * tag 'nfs-for-5.11-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
        NFS: nfs_igrab_and_active must first reference the superblock
        NFS: nfs_delegation_find_inode_server must first reference the superblock
        NFS/pNFS: Fix a leak of the layout 'plh_outstanding' counter
        NFS/pNFS: Don't leak DS commits in pnfs_generic_retry_commit()
        NFS/pNFS: Don't call pnfs_free_bucket_lseg() before removing the request
        pNFS: Stricter ordering of layoutget and layoutreturn
        pNFS: Clean up pnfs_layoutreturn_free_lsegs()
        pNFS: We want return-on-close to complete when evicting the inode
        pNFS: Mark layout for return if return-on-close was not sent
        net: sunrpc: interpret the return value of kstrtou32 correctly
        NFS: Adjust fs_context error logging
        NFS4: Fix use-after-free in trace_event_raw_event_nfs4_set_lock
      e609571b
    • Linus Torvalds's avatar
      Merge tag 'mkp-scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi · ea49c88f
      Linus Torvalds authored
      Pull SCSI target fix from Martin Petersen:
       "This addresses an issue in the SCSI target subsystem. A connected
        initiator could specify IDs for any configured backing store device,
        not just the ones explicitly made visible to the host.
      
        The remedy is to honor the access control list when doing ID
        descriptor lookups"
      
      * tag 'mkp-scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi:
        scsi: target: Fix XCOPY NAA identifier lookup
      ea49c88f
  2. 11 Jan, 2021 6 commits
  3. 10 Jan, 2021 23 commits
    • Linus Torvalds's avatar
      Linux 5.11-rc3 · 7c53f6b6
      Linus Torvalds authored
      7c53f6b6
    • Trond Myklebust's avatar
      NFS: nfs_igrab_and_active must first reference the superblock · 896567ee
      Trond Myklebust authored
      Before referencing the inode, we must ensure that the superblock can be
      referenced. Otherwise, we can end up with iput() calling superblock
      operations that are no longer valid or accessible.
      
      Fixes: ea7c38fe ("NFSv4: Ensure we reference the inode for return-on-close in delegreturn")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      896567ee
    • Trond Myklebust's avatar
      NFS: nfs_delegation_find_inode_server must first reference the superblock · 113aac6d
      Trond Myklebust authored
      Before referencing the inode, we must ensure that the superblock can be
      referenced. Otherwise, we can end up with iput() calling superblock
      operations that are no longer valid or accessible.
      
      Fixes: e39d8a18 ("NFSv4: Fix an Oops during delegation callbacks")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      113aac6d
    • Linus Torvalds's avatar
      Merge tag 'kbuild-fixes-v5.11' of... · 20210a98
      Linus Torvalds authored
      Merge tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
      
      Pull Kbuild fixes from Masahiro Yamada:
      
       - Search for <ncurses.h> in the default header path of HOSTCC
      
       - Tweak the option order to be kind to old BSD awk
      
       - Remove 'kvmconfig' and 'xenconfig' shorthands
      
       - Fix documentation
      
      * tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
        Documentation: kbuild: Fix section reference
        kconfig: remove 'kvmconfig' and 'xenconfig' shorthands
        lib/raid6: Let $(UNROLL) rules work with macOS userland
        kconfig: Support building mconf with vendor sysroot ncurses
        kconfig: config script: add a little user help
        MAINTAINERS: adjust GCC PLUGINS after gcc-plugin.sh removal
      20210a98
    • Linus Torvalds's avatar
      Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi · 688daed2
      Linus Torvalds authored
      Pull SCSI fixes from James Bottomley:
       "This is two driver fixes (megaraid_sas and hisi_sas).
      
        The megaraid one is a revert of a previous revert of a cpu hotplug fix
        which exposed a bug in the block layer which has been fixed in this
        merge window.
      
        The hisi_sas performance enhancement comes from switching to interrupt
        managed completion queues, which depended on the addition of
        devm_platform_get_irqs_affinity() which is now upstream via the irq
        tree in the last merge window"
      
      * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
        scsi: hisi_sas: Expose HW queues for v2 hw
        Revert "Revert "scsi: megaraid_sas: Added support for shared host tagset for cpuhotplug""
      688daed2
    • Linus Torvalds's avatar
      Merge tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block · ed41fd07
      Linus Torvalds authored
      Pull block fixes from Jens Axboe:
      
       - Missing CRC32 selections (Arnd)
      
       - Fix for a merge window regression with bdev inode init (Christoph)
      
       - bcache fixes
      
       - rnbd fixes
      
       - NVMe pull request from Christoph:
          - fix a race in the nvme-tcp send code (Sagi Grimberg)
          - fix a list corruption in an nvme-rdma error path (Israel Rukshin)
          - avoid a possible double fetch in nvme-pci (Lalithambika Krishnakumar)
          - add the susystem NQN quirk for a Samsung driver (Gopal Tiwari)
          - fix two compiler warnings in nvme-fcloop (James Smart)
          - don't call sleeping functions from irq context in nvme-fc (James Smart)
          - remove an unused argument (Max Gurtovoy)
          - remove unused exports (Minwoo Im)
      
       - Use-after-free fix for partition iteration (Ming)
      
       - Missing blk-mq debugfs flag annotation (John)
      
       - Bdev freeze regression fix (Satya)
      
       - blk-iocost NULL pointer deref fix (Tejun)
      
      * tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block: (26 commits)
        bcache: set bcache device into read-only mode for BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET
        bcache: introduce BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE for large bucket
        bcache: check unsupported feature sets for bcache register
        bcache: fix typo from SUUP to SUPP in features.h
        bcache: set pdev_set_uuid before scond loop iteration
        blk-mq-debugfs: Add decode for BLK_MQ_F_TAG_HCTX_SHARED
        block/rnbd-clt: avoid module unload race with close confirmation
        block/rnbd: Adding name to the Contributors List
        block/rnbd-clt: Fix sg table use after free
        block/rnbd-srv: Fix use after free in rnbd_srv_sess_dev_force_close
        block/rnbd: Select SG_POOL for RNBD_CLIENT
        block: pre-initialize struct block_device in bdev_alloc_inode
        fs: Fix freeze_bdev()/thaw_bdev() accounting of bd_fsfreeze_sb
        nvme: remove the unused status argument from nvme_trace_bio_complete
        nvmet-rdma: Fix list_del corruption on queue establishment failure
        nvme: unexport functions with no external caller
        nvme: avoid possible double fetch in handling CQE
        nvme-tcp: Fix possible race of io_work and direct send
        nvme-pci: mark Samsung PM1725a as IGNORE_DEV_SUBNQN
        nvme-fcloop: Fix sscanf type and list_first_entry_or_null warnings
        ...
      ed41fd07
    • Linus Torvalds's avatar
      Merge tag 'io_uring-5.11-2021-01-10' of git://git.kernel.dk/linux-block · d430adfe
      Linus Torvalds authored
      Pull io_uring fixes from Jens Axboe:
       "A bit larger than I had hoped at this point, but it's all changes that
        will be directed towards stable anyway. In detail:
      
         - Fix a merge window regression on error return (Matthew)
      
         - Remove useless variable declaration/assignment (Ye Bin)
      
         - IOPOLL fixes (Pavel)
      
         - Exit and cancelation fixes (Pavel)
      
         - fasync lockdep complaint fix (Pavel)
      
         - Ensure SQPOLL is synchronized with creator life time (Pavel)"
      
      * tag 'io_uring-5.11-2021-01-10' of git://git.kernel.dk/linux-block:
        io_uring: stop SQPOLL submit on creator's death
        io_uring: add warn_once for io_uring_flush()
        io_uring: inline io_uring_attempt_task_drop()
        io_uring: io_rw_reissue lockdep annotations
        io_uring: synchronise ev_posted() with waitqueues
        io_uring: dont kill fasync under completion_lock
        io_uring: trigger eventfd for IOPOLL
        io_uring: Fix return value from alloc_fixed_file_ref_node
        io_uring: Delete useless variable ‘id’ in io_prep_async_work
        io_uring: cancel more aggressively in exit_work
        io_uring: drop file refs after task cancel
        io_uring: patch up IOPOLL overflow_flush sync
        io_uring: synchronise IOPOLL on task_submit fail
      d430adfe
    • Linus Torvalds's avatar
      Merge tag 'usb-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb · 28318f53
      Linus Torvalds authored
      Pull USB fixes from Greg KH:
       "Here are a number of small USB driver fixes for 5.11-rc3.
      
        Include in here are:
      
         - USB gadget driver fixes for reported issues
      
         - new usb-serial driver ids
      
         - dma from stack bugfixes
      
         - typec bugfixes
      
         - dwc3 bugfixes
      
         - xhci driver bugfixes
      
         - other small misc usb driver bugfixes
      
        All of these have been in linux-next with no reported issues"
      
      * tag 'usb-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (35 commits)
        usb: dwc3: gadget: Clear wait flag on dequeue
        usb: typec: Send uevent for num_altmodes update
        usb: typec: Fix copy paste error for NVIDIA alt-mode description
        usb: gadget: enable super speed plus
        kcov, usb: hide in_serving_softirq checks in __usb_hcd_giveback_urb
        usb: uas: Add PNY USB Portable SSD to unusual_uas
        usb: gadget: configfs: Preserve function ordering after bind failure
        usb: gadget: select CONFIG_CRC32
        usb: gadget: core: change the comment for usb_gadget_connect
        usb: gadget: configfs: Fix use-after-free issue with udc_name
        usb: dwc3: gadget: Restart DWC3 gadget when enabling pullup
        usb: usbip: vhci_hcd: protect shift size
        USB: usblp: fix DMA to stack
        USB: serial: iuu_phoenix: fix DMA from stack
        USB: serial: option: add LongSung M5710 module support
        USB: serial: option: add Quectel EM160R-GL
        USB: Gadget: dummy-hcd: Fix shift-out-of-bounds bug
        usb: gadget: f_uac2: reset wMaxPacketSize
        usb: dwc3: ulpi: Fix USB2.0 HS/FS/LS PHY suspend regression
        usb: dwc3: ulpi: Replace CPU-based busyloop with Protocol-based one
        ...
      28318f53
    • Linus Torvalds's avatar
      Merge tag 'staging-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging · 4ad9a28f
      Linus Torvalds authored
      Pull staging driver fixes from Greg KH:
       "Here are some small staging driver fixes for 5.11-rc3. Nothing major,
        just resolving some reported issues:
      
         - cleanup some remaining mentions of the ION drivers that were
           removed in 5.11-rc1
      
         - comedi driver bugfix
      
         - two error path memory leak fixes
      
        All have been in linux-next for a while with no reported issues"
      
      * tag 'staging-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
        staging: ION: remove some references to CONFIG_ION
        staging: mt7621-dma: Fix a resource leak in an error handling path
        Staging: comedi: Return -EFAULT if copy_to_user() fails
        staging: spmi: hisi-spmi-controller: Fix some error handling paths
      4ad9a28f
    • Linus Torvalds's avatar
      Merge tag 'char-misc-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc · e07cd2f3
      Linus Torvalds authored
      Pull char/misc driver fixes from Greg KH:
       "Here are some small char and misc driver fixes for 5.11-rc3.
      
        The majority here are fixes for the habanalabs drivers, but also in
        here are:
      
         - crypto driver fix
      
         - pvpanic driver fix
      
         - updated font file
      
         - interconnect driver fixes
      
        All of these have been in linux-next for a while with no reported
        issues"
      
      * tag 'char-misc-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (26 commits)
        Fonts: font_ter16x32: Update font with new upstream Terminus release
        misc: pvpanic: Check devm_ioport_map() for NULL
        speakup: Add github repository URL and bug tracker
        MAINTAINERS: Update Georgi's email address
        crypto: asym_tpm: correct zero out potential secrets
        habanalabs: Fix memleak in hl_device_reset
        interconnect: imx8mq: Use icc_sync_state
        interconnect: imx: Remove a useless test
        interconnect: imx: Add a missing of_node_put after of_device_is_available
        interconnect: qcom: fix rpmh link failures
        habanalabs: fix order of status check
        habanalabs: register to pci shutdown callback
        habanalabs: add validation cs counter, fix misplaced counters
        habanalabs/gaudi: retry loading TPC f/w on -EINTR
        habanalabs: adjust pci controller init to new firmware
        habanalabs: update comment in hl_boot_if.h
        habanalabs/gaudi: enhance reset message
        habanalabs: full FW hard reset support
        habanalabs/gaudi: disable CGM at HW initialization
        habanalabs: Revise comment to align with mirror list name
        ...
      e07cd2f3
    • Viresh Kumar's avatar
      Documentation: kbuild: Fix section reference · 5625dcfb
      Viresh Kumar authored
      Section 3.11 was incorrectly called 3.9, fix it.
      Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
      Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
      5625dcfb
    • Linus Torvalds's avatar
      Merge tag 'arc-5.11-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc · 0653161f
      Linus Torvalds authored
      Pull ARC fixes from Vineet Gupta:
      
       - Address the 2nd boot failure due to snafu in signal handling code
         (first was generic console ttynull issue)
      
       - misc other fixes
      
      * tag 'arc-5.11-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
        ARC: [hsdk]: Enable FPU_SAVE_RESTORE
        ARC: unbork 5.11 bootup: fix snafu in _TIF_NOTIFY_SIGNAL handling
        include/soc: remove headers for EZChip NPS
        arch/arc: add copy_user_page() to <asm/page.h> to fix build error on ARC
      0653161f
    • Linus Torvalds's avatar
      Merge tag 'powerpc-5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux · b3cd1a16
      Linus Torvalds authored
      Pull powerpc fixes from Michael Ellerman:
      
       - A fix for machine check handling with VMAP stack on 32-bit.
      
       - A clang build fix.
      
      Thanks to Christophe Leroy and Nathan Chancellor.
      
      * tag 'powerpc-5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
        powerpc: Handle .text.{hot,unlikely}.* in linker script
        powerpc/32s: Fix RTAS machine check with VMAP stack
      b3cd1a16
    • Linus Torvalds's avatar
      Merge tag 'x86_urgent_for_v5.11_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · a440e4d7
      Linus Torvalds authored
      Pull x86 fixes from Borislav Petkov:
       "As expected, fixes started trickling in after the holidays so here is
        the accumulated pile of x86 fixes for 5.11:
      
         - A fix for fanotify_mark() missing the conversion of x86_32 native
           syscalls which take 64-bit arguments to the compat handlers due to
           former having a general compat handler. (Brian Gerst)
      
         - Add a forgotten pmd page destructor call to pud_free_pmd_page()
           where a pmd page is freed. (Dan Williams)
      
         - Make IN/OUT insns with an u8 immediate port operand handling for
           SEV-ES guests more precise by using only the single port byte and
           not the whole s32 value of the insn decoder. (Peter Gonda)
      
         - Correct a straddling end range check before returning the proper
           MTRR type, when the end address is the same as top of memory.
           (Ying-Tsun Huang)
      
         - Change PQR_ASSOC MSR update scheme when moving a task to a resctrl
           resource group to avoid significant performance overhead with some
           resctrl workloads. (Fenghua Yu)
      
         - Avoid the actual task move overhead when the task is already in the
           resource group. (Fenghua Yu)"
      
      * tag 'x86_urgent_for_v5.11_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/resctrl: Don't move a task to the same resource group
        x86/resctrl: Use an IPI instead of task_work_add() to update PQR_ASSOC MSR
        x86/mtrr: Correct the range check before performing MTRR type lookups
        x86/sev-es: Fix SEV-ES OUT/IN immediate opcode vc handling
        x86/mm: Fix leak of pmd ptlock
        fanotify: Fix sys_fanotify_mark() on native x86-32
      a440e4d7
    • Trond Myklebust's avatar
      NFS/pNFS: Fix a leak of the layout 'plh_outstanding' counter · cb2856c5
      Trond Myklebust authored
      If we exit _lgopen_prepare_attached() without setting a layout, we will
      currently leak the plh_outstanding counter.
      
      Fixes: 411ae722 ("pNFS: Wait for stale layoutget calls to complete in pnfs_update_layout()")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      cb2856c5
    • Trond Myklebust's avatar
      NFS/pNFS: Don't leak DS commits in pnfs_generic_retry_commit() · 46c9ea1d
      Trond Myklebust authored
      We must ensure that we pass a layout segment to nfs_retry_commit() when
      we're cleaning up after pnfs_bucket_alloc_ds_commits(). Otherwise,
      requests that should be committed to the DS will get committed to the
      MDS.
      Do so by ensuring that pnfs_bucket_get_committing() always tries to
      return a layout segment when it returns a non-empty page list.
      
      Fixes: c84bea59 ("NFS/pNFS: Simplify bucket layout segment reference counting")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      46c9ea1d
    • Trond Myklebust's avatar
      NFS/pNFS: Don't call pnfs_free_bucket_lseg() before removing the request · 1757655d
      Trond Myklebust authored
      In pnfs_generic_clear_request_commit(), we try calling
      pnfs_free_bucket_lseg() before we remove the request from the DS bucket.
      That will always fail, since the point is to test for whether or not
      that bucket is empty.
      
      Fixes: c84bea59 ("NFS/pNFS: Simplify bucket layout segment reference counting")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      1757655d
    • Trond Myklebust's avatar
      pNFS: Stricter ordering of layoutget and layoutreturn · 2c8d5fc3
      Trond Myklebust authored
      If a layout return is in progress, we should wait for it to complete,
      in case the layout segment we are picking up gets returned too.
      
      Fixes: 30cb3ee2 ("pNFS: Handle NFS4ERR_OLD_STATEID on layoutreturn by bumping the state seqid")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      2c8d5fc3
    • Trond Myklebust's avatar
      pNFS: Clean up pnfs_layoutreturn_free_lsegs() · c18d1e17
      Trond Myklebust authored
      Remove the check for whether or not the stateid is NULL, and fix up the
      callers.
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      c18d1e17
    • Trond Myklebust's avatar
      pNFS: We want return-on-close to complete when evicting the inode · 078000d0
      Trond Myklebust authored
      If the inode is being evicted, it should be safe to run return-on-close,
      so we should do it to ensure we don't inadvertently leak layout segments.
      
      Fixes: 1c5bd76d ("pNFS: Enable layoutreturn operation for return-on-close")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      078000d0
    • Trond Myklebust's avatar
      pNFS: Mark layout for return if return-on-close was not sent · 67bbceed
      Trond Myklebust authored
      If the layout return-on-close failed because the layoutreturn was never
      sent, then we should mark the layout for return again.
      
      Fixes: 9c47b18c ("pNFS: Ensure we do clear the return-on-close layout stateid on fatal errors")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      67bbceed
    • j.nixdorf@avm.de's avatar
      net: sunrpc: interpret the return value of kstrtou32 correctly · 86b53fbf
      j.nixdorf@avm.de authored
      A return value of 0 means success. This is documented in lib/kstrtox.c.
      
      This was found by trying to mount an NFS share from a link-local IPv6
      address with the interface specified by its index:
      
        mount("[fe80::1%1]:/srv/nfs", "/mnt", "nfs", 0, "nolock,addr=fe80::1%1")
      
      Before this commit this failed with EINVAL and also caused the following
      message in dmesg:
      
        [...] NFS: bad IP address specified: addr=fe80::1%1
      
      The syscall using the same address based on the interface name instead
      of its index succeeds.
      
      Credits for this patch go to my colleague Christian Speich, who traced
      the origin of this bug to this line of code.
      Signed-off-by: default avatarJohannes Nixdorf <j.nixdorf@avm.de>
      Fixes: 00cfaa94 ("replace strict_strto calls")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      86b53fbf
    • Scott Mayhew's avatar
      NFS: Adjust fs_context error logging · c98e9daa
      Scott Mayhew authored
      Several existing dprink()/dfprintk() calls were converted to use the new
      mount API logging macros by commit ce8866f0 ("NFS: Attach
      supplementary error information to fs_context").  If the fs_context was
      not created using fsopen() then it will not have had a log buffer
      allocated for it, and the new mount API logging macros will wind up
      calling printk().
      
      This can result in syslog messages being logged where previously there
      were none... most notably "NFS4: Couldn't follow remote path", which can
      happen if the client is auto-negotiating a protocol version with an NFS
      server that doesn't support the higher v4.x versions.
      
      Convert the nfs_errorf(), nfs_invalf(), and nfs_warnf() macros to check
      for the existence of the fs_context's log buffer and call dprintk() if
      it doesn't exist.  Add nfs_ferrorf(), nfs_finvalf(), and nfs_warnf(),
      which do the same thing but take an NFS debug flag as an argument and
      call dfprintk().  Finally, modify the "NFS4: Couldn't follow remote
      path" message to use nfs_ferrorf().
      
      Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=207385Signed-off-by: default avatarScott Mayhew <smayhew@redhat.com>
      Reviewed-by: default avatarBenjamin Coddington <bcodding@redhat.com>
      Fixes: ce8866f0 ("NFS: Attach supplementary error information to fs_context.")
      Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
      c98e9daa
  4. 09 Jan, 2021 9 commits
    • Linus Torvalds's avatar
      Merge tag 'hwmon-for-v5.11-rc3' of... · 2ff90100
      Linus Torvalds authored
      Merge tag 'hwmon-for-v5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
      
      Pull hwmon fixes from Guenter Roeck:
      
       - Fix possible KASAN issue in amd_energy driver
      
       - Avoid configuration problem in pwm-fan driver
      
       - Fix kernel-doc warning in sbtsi_temp documentation
      
      * tag 'hwmon-for-v5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
        hwmon: (amd_energy) fix allocation of hwmon_channel_info config
        hwmon: (pwm-fan) Ensure that calculation doesn't discard big period values
        hwmon: (sbtsi_temp) Fix Documenation kernel-doc warning
      2ff90100
    • Linus Torvalds's avatar
      Merge tag 'dmaengine-fix-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine · f408126b
      Linus Torvalds authored
      Pull dmaengine fixes from Vinod Koul:
       "A bunch of dmaengine driver fixes for:
      
         - coverity discovered issues for xilinx driver
      
         - qcom, gpi driver fix for undefined bhaviour and one off cleanup
      
         - update Peter's email for TI DMA drivers
      
         - one-off for idxd driver
      
         - resource leak fix for mediatek and milbeaut drivers"
      
      * tag 'dmaengine-fix-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
        dmaengine: stm32-mdma: fix STM32_MDMA_VERY_HIGH_PRIORITY value
        dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
        dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
        dmaengine: xilinx_dma: check dma_async_device_register return value
        dmaengine: qcom: fix gpi undefined behavior
        dt-bindings: dma: ti: Update maintainer and author information
        MAINTAINERS: Add entry for Texas Instruments DMA drivers
        qcom: bam_dma: Delete useless kfree code
        dmaengine: dw-edma: Fix use after free in dw_edma_alloc_chunk()
        dmaengine: milbeaut-xdmac: Fix a resource leak in the error handling path of the probe function
        dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path of the probe function
        dmaengine: qcom: gpi: Fixes a format mismatch
        dmaengine: idxd: off by one in cleanup code
        dmaengine: ti: k3-udma: Fix pktdma rchan TPL level setup
      f408126b
    • Linus Torvalds's avatar
      Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux · caab3147
      Linus Torvalds authored
      Pull i2c fixes from Wolfram Sang:
       "Three driver bugfixes for I2C. Buisness as usual"
      
      * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
        i2c: mediatek: Fix apdma and i2c hand-shake timeout
        i2c: i801: Fix the i2c-mux gpiod_lookup_table not being properly terminated
        i2c: sprd: use a specific timeout to avoid system hang up issue
      caab3147
    • Darrick J. Wong's avatar
      maintainers: update my email address · 6bae85bd
      Darrick J. Wong authored
      Change my email contact ahead of a likely painful eleven-month migration
      to a certain cobalt enteprisey groupware cloud product that will totally
      break my workflow.  Some day I may get used to having to email being
      sequestered behind both claret and cerulean oath2+sms 2fa layers, but
      for now I'll stick with keying in one password to receive an email vs.
      the required four.
      Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      6bae85bd
    • Pavel Begunkov's avatar
      io_uring: stop SQPOLL submit on creator's death · d9d05217
      Pavel Begunkov authored
      When the creator of SQPOLL io_uring dies (i.e. sqo_task), we don't want
      its internals like ->files and ->mm to be poked by the SQPOLL task, it
      have never been nice and recently got racy. That can happen when the
      owner undergoes destruction and SQPOLL tasks tries to submit new
      requests in parallel, and so calls io_sq_thread_acquire*().
      
      That patch halts SQPOLL submissions when sqo_task dies by introducing
      sqo_dead flag. Once set, the SQPOLL task must not do any submission,
      which is synchronised by uring_lock as well as the new flag.
      
      The tricky part is to make sure that disabling always happens, that
      means either the ring is discovered by creator's do_exit() -> cancel,
      or if the final close() happens before it's done by the creator. The
      last is guaranteed by the fact that for SQPOLL the creator task and only
      it holds exactly one file note, so either it pins up to do_exit() or
      removed by the creator on the final put in flush. (see comments in
      uring_flush() around file->f_count == 2).
      
      One more place that can trigger io_sq_thread_acquire_*() is
      __io_req_task_submit(). Shoot off requests on sqo_dead there, even
      though actually we don't need to. That's because cancellation of
      sqo_task should wait for the request before going any further.
      
      note 1: io_disable_sqo_submit() does io_ring_set_wakeup_flag() so the
      caller would enter the ring to get an error, but it still doesn't
      guarantee that the flag won't be cleared.
      
      note 2: if final __userspace__ close happens not from the creator
      task, the file note will pin the ring until the task dies.
      
      Fixed: b1b6b5a3 ("kernel/io_uring: cancel io_uring before task works")
      Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
      Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      d9d05217
    • Pavel Begunkov's avatar
      io_uring: add warn_once for io_uring_flush() · 6b5733eb
      Pavel Begunkov authored
      files_cancel() should cancel all relevant requests and drop file notes,
      so we should never have file notes after that, including on-exit fput
      and flush. Add a WARN_ONCE to be sure.
      Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
      Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      6b5733eb
    • Pavel Begunkov's avatar
      io_uring: inline io_uring_attempt_task_drop() · 4f793dc4
      Pavel Begunkov authored
      A simple preparation change inlining io_uring_attempt_task_drop() into
      io_uring_flush().
      Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
      Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      4f793dc4
    • Pavel Begunkov's avatar
      io_uring: io_rw_reissue lockdep annotations · 55e6ac1e
      Pavel Begunkov authored
      We expect io_rw_reissue() to take place only during submission with
      uring_lock held. Add a lockdep annotation to check that invariant.
      Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
      Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      55e6ac1e
    • Coly Li's avatar
      bcache: set bcache device into read-only mode for BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET · 5342fd42
      Coly Li authored
      If BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET is set in incompat feature
      set, it means the cache device is created with obsoleted layout with
      obso_bucket_site_hi. Now bcache does not support this feature bit, a new
      BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE incompat feature bit is added
      for a better layout to support large bucket size.
      
      For the legacy compatibility purpose, if a cache device created with
      obsoleted BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET feature bit, all bcache
      devices attached to this cache set should be set to read-only. Then the
      dirty data can be written back to backing device before re-create the
      cache device with BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE feature bit
      by the latest bcache-tools.
      
      This patch checks BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET feature bit
      when running a cache set and attach a bcache device to the cache set. If
      this bit is set,
      - When run a cache set, print an error kernel message to indicate all
        following attached bcache device will be read-only.
      - When attach a bcache device, print an error kernel message to indicate
        the attached bcache device will be read-only, and ask users to update
        to latest bcache-tools.
      
      Such change is only for cache device whose bucket size >= 32MB, this is
      for the zoned SSD and almost nobody uses such large bucket size at this
      moment. If you don't explicit set a large bucket size for a zoned SSD,
      such change is totally transparent to your bcache device.
      
      Fixes: ffa47032 ("bcache: add bucket_size_hi into struct cache_sb_disk for large bucket")
      Signed-off-by: default avatarColy Li <colyli@suse.de>
      Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      5342fd42