1. 27 Aug, 2023 5 commits
  2. 26 Aug, 2023 1 commit
    • Helge Deller's avatar
      parisc: led: Reduce CPU overhead for disk & lan LED computation · 358ad816
      Helge Deller authored
      Older PA-RISC machines have LEDs which show the disk- and LAN-activity.
      The computation is done in software and takes quite some time, e.g. on a
      J6500 this may take up to 60% time of one CPU if the machine is loaded
      via network traffic.
      
      Since most people don't care about the LEDs, start with LEDs disabled and
      just show a CPU heartbeat LED. The disk and LAN LEDs can be turned on
      manually via /proc/pdc/led.
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      Cc: <stable@vger.kernel.org>
      358ad816
  3. 22 Aug, 2023 9 commits
  4. 20 Aug, 2023 7 commits
  5. 19 Aug, 2023 8 commits
    • Linus Torvalds's avatar
      Merge tag 'i2c-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux · 9e6c269d
      Linus Torvalds authored
      Pull i2c fixes from Wolfram Sang:
       "Usual set of driver fixes. A bit more than usual because I was
        unavailable for a while"
      
      * tag 'i2c-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
        i2c: bcm-iproc: Fix bcm_iproc_i2c_isr deadlock issue
        i2c: Update documentation to use .probe() again
        i2c: sun6i-p2wi: Fix an error message in probe()
        i2c: hisi: Only handle the interrupt of the driver's transfer
        i2c: tegra: Fix i2c-tegra DMA config option processing
        i2c: tegra: Fix failure during probe deferral cleanup
        i2c: designware: Handle invalid SMBus block data response length value
        i2c: designware: Correct length byte validation logic
        i2c: imx-lpi2c: return -EINVAL when i2c peripheral clk doesn't work
      9e6c269d
    • Linus Torvalds's avatar
      Merge tag 'for-6.5-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux · 12e6cced
      Linus Torvalds authored
      Pull btrfs fixes from David Sterba:
      
       - fix infinite loop in readdir(), could happen in a big directory when
         files get renamed during enumeration
      
       - fix extent map handling of skipped pinned ranges
      
       - fix a corner case when handling ordered extent length
      
       - fix a potential crash when balance cancel races with pause
      
       - verify correct uuid when starting scrub or device replace
      
      * tag 'for-6.5-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
        btrfs: fix incorrect splitting in btrfs_drop_extent_map_range
        btrfs: fix BUG_ON condition in btrfs_cancel_balance
        btrfs: only subtract from len_to_oe_boundary when it is tracking an extent
        btrfs: fix replace/scrub failure with metadata_uuid
        btrfs: fix infinite directory reads
      12e6cced
    • Linus Torvalds's avatar
      Merge tag 'fbdev-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev · b5cab28b
      Linus Torvalds authored
      Pull fbdev fixes and cleanups from Helge Deller:
      
       - various code cleanups in amifb, atmel_lcdfb, ssd1307fb, kyro and
         goldfishfb
      
      * tag 'fbdev-for-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
        fbdev: goldfishfb: Do not check 0 for platform_get_irq()
        fbdev: atmel_lcdfb: Remove redundant of_match_ptr()
        fbdev: kyro: Remove unused declarations
        fbdev: ssd1307fb: Print the PWM's label instead of its number
        fbdev: mmp: fix value check in mmphw_probe()
        fbdev: amifb: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
      b5cab28b
    • Linus Torvalds's avatar
      Merge tag 'block-6.5-2023-08-19' of git://git.kernel.dk/linux · 2383ffc4
      Linus Torvalds authored
      Pull block fixes from Jens Axboe:
       "Main thing here is the fix for the regression in flush handling which
        caused IO hangs/stalls for a few reporters. Hopefully that should all
        be sorted out now. Outside of that, just a few minor fixes for issues
        that were introduced in this cycle"
      
      * tag 'block-6.5-2023-08-19' of git://git.kernel.dk/linux:
        blk-mq: release scheduler resource when request completes
        blk-crypto: dynamically allocate fallback profile
        blk-cgroup: hold queue_lock when removing blkg->q_node
        drivers/rnbd: restore sysfs interface to rnbd-client
      2383ffc4
    • Chengming Zhou's avatar
      blk-mq: release scheduler resource when request completes · e5c0ca13
      Chengming Zhou authored
      Chuck reported [1] an IO hang problem on NFS exports that reside on SATA
      devices and bisected to commit 615939a2 ("blk-mq: defer to the normal
      submission path for post-flush requests").
      
      We analysed the IO hang problem, found there are two postflush requests
      waiting for each other.
      
      The first postflush request completed the REQ_FSEQ_DATA sequence, so go to
      the REQ_FSEQ_POSTFLUSH sequence and added in the flush pending list, but
      failed to blk_kick_flush() because of the second postflush request which
      is inflight waiting in scheduler queue.
      
      The second postflush waiting in scheduler queue can't be dispatched because
      the first postflush hasn't released scheduler resource even though it has
      completed by itself.
      
      Fix it by releasing scheduler resource when the first postflush request
      completed, so the second postflush can be dispatched and completed, then
      make blk_kick_flush() succeed.
      
      While at it, remove the check for e->ops.finish_request, as all
      schedulers set that. Reaffirm this requirement by adding a WARN_ON_ONCE()
      at scheduler registration time, just like we do for insert_requests and
      dispatch_request.
      
      [1] https://lore.kernel.org/all/7A57C7AE-A51A-4254-888B-FE15CA21F9E9@oracle.com/
      
      Link: https://lore.kernel.org/linux-block/20230819031206.2744005-1-chengming.zhou@linux.dev/Reported-by: default avatarkernel test robot <oliver.sang@intel.com>
      Closes: https://lore.kernel.org/oe-lkp/202308172100.8ce4b853-oliver.sang@intel.com
      Fixes: 615939a2 ("blk-mq: defer to the normal submission path for post-flush requests")
      Reported-by: default avatarChuck Lever <chuck.lever@oracle.com>
      Signed-off-by: default avatarChengming Zhou <zhouchengming@bytedance.com>
      Tested-by: default avatarChuck Lever <chuck.lever@oracle.com>
      Link: https://lore.kernel.org/r/20230813152325.3017343-1-chengming.zhou@linux.dev
      [axboe: folded in incremental fix and added tags]
      Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      e5c0ca13
    • Linus Torvalds's avatar
      Merge tag 'media/v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media · aa9ea98c
      Linus Torvalds authored
      Pull media fixes from Mauro Carvalho Chehab:
       "Three driver fixes"
      
      * tag 'media/v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
        media: imx: imx7-media-csi: Fix applying format constraints
        media: uvcvideo: Fix menu count handling for userspace XU mappings
        media: mtk-jpeg: Set platform driver data earlier
      aa9ea98c
    • Linus Torvalds's avatar
      Merge tag 'x86_urgent_for_v6.5_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · bf98bae3
      Linus Torvalds authored
      Pull x86 fixes from Borislav Petkov:
       "Extraordinary embargoed times call for extraordinary measures. That's
        why this week's x86/urgent branch is larger than usual, containing all
        the known fallout fixes after the SRSO mitigation got merged.
      
        I know, it is a bit late in the game but everyone who has reported a
        bug stemming from the SRSO pile, has tested that branch and has
        confirmed that it fixes their bug.
      
        Also, I've run it on every possible hardware I have and it is looking
        good. It is running on this very machine while I'm typing, for 2 days
        now without an issue. Famous last words...
      
         - Use LEA ...%rsp instead of ADD %rsp in the Zen1/2 SRSO return
           sequence as latter clobbers flags which interferes with fastop
           emulation in KVM, leading to guests freezing during boot
      
         - A fix for the DIV(0) quotient data leak on Zen1 to clear the
           divider buffers at the right time
      
         - Disable the SRSO mitigation on unaffected configurations as it got
           enabled there unnecessarily
      
         - Change .text section name to fix CONFIG_LTO_CLANG builds
      
         - Improve the optprobe indirect jmp check so that certain
           configurations can still be able to use optprobes at all
      
         - A serious and good scrubbing of the untraining routines by PeterZ:
            - Add proper speculation stopping traps so that objtool is happy
            - Adjust objtool to handle the new thunks
            - Make the thunk pointer assignable to the different untraining
              sequences at runtime, thus avoiding the alternative at the
              return thunk. It simplifies the code a bit too.
            - Add a entry_untrain_ret() main entry point which selects the
              respective untraining sequence
            - Rename things so that they're more clear
            - Fix stack validation with FRAME_POINTER=y builds
      
         - Fix static call patching to handle when a JMP to the return thunk
           is the last insn on the very last module memory page
      
         - Add more documentation about what each untraining routine does and
           why"
      
      * tag 'x86_urgent_for_v6.5_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/srso: Correct the mitigation status when SMT is disabled
        x86/static_call: Fix __static_call_fixup()
        objtool/x86: Fixup frame-pointer vs rethunk
        x86/srso: Explain the untraining sequences a bit more
        x86/cpu/kvm: Provide UNTRAIN_RET_VM
        x86/cpu: Cleanup the untrain mess
        x86/cpu: Rename srso_(.*)_alias to srso_alias_\1
        x86/cpu: Rename original retbleed methods
        x86/cpu: Clean up SRSO return thunk mess
        x86/alternative: Make custom return thunk unconditional
        objtool/x86: Fix SRSO mess
        x86/cpu: Fix up srso_safe_ret() and __x86_return_thunk()
        x86/cpu: Fix __x86_return_thunk symbol type
        x86/retpoline,kprobes: Skip optprobe check for indirect jumps with retpolines and IBT
        x86/retpoline,kprobes: Fix position of thunk sections with CONFIG_LTO_CLANG
        x86/srso: Disable the mitigation on unaffected configurations
        x86/CPU/AMD: Fix the DIV(0) initial fix attempt
        x86/retpoline: Don't clobber RFLAGS during srso_safe_ret()
      bf98bae3
    • Linus Torvalds's avatar
      Merge tag 'powerpc-6.5-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux · 4e7ffde6
      Linus Torvalds authored
      Pull powerpc fix from Michael Ellerman:
      
       - Fix hardened usercopy BUG when using /proc based firmware update
         interface
      
      Thanks to Nathan Lynch and Kees Cook.
      
      * tag 'powerpc-6.5-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
        powerpc/rtas_flash: allow user copy to flash block cache objects
      4e7ffde6
  6. 18 Aug, 2023 10 commits