1. 03 Mar, 2022 1 commit
    • Ritesh Harjani's avatar
      ext4: improve fast_commit performance and scalability · b3998b3b
      Ritesh Harjani authored
      Currently ext4_fc_commit_dentry_updates() is of quadratic time
      complexity, which is causing performance bottlenecks with high
      threads/file/dir count with fs_mark.
      
      This patch makes commit dentry updates (and hence ext4_fc_commit()) path
      to linear time complexity. Hence improves the performance of workloads
      which does fsync on multiple threads/open files one-by-one.
      
      Absolute numbers in avg file creates per sec (from fs_mark in 1K order)
      =======================================================================
      no.     Order   without-patch(K)   with-patch(K)   Diff(%)
      1       1        16.90              17.51           +3.60
      2       2,2      32.08              31.80           -0.87
      3       3,3      53.97              55.01           +1.92
      4       4,4      78.94              76.90           -2.58
      5       5,5      95.82              95.37           -0.46
      6       6,6      87.92              103.38          +17.58
      7       6,10      0.73              126.13          +17178.08
      8       6,14      2.33              143.19          +6045.49
      
      workload type
      ==============
      For e.g. 7th row order of 6,10 (2^6 == 64 && 2^10 == 1024)
      echo /run/riteshh/mnt/{1..64} |sed -E 's/[[:space:]]+/ -d /g' \
        | xargs -I {} bash -c "sudo fs_mark -L 100 -D 1024 -n 1024 -s0 -S5 -d {}"
      
      Perf profile
      (w/o patches)
      =============================
      87.15%  [kernel]  [k] ext4_fc_commit           --> Heavy contention/bottleneck
       1.98%  [kernel]  [k] perf_event_interrupt
       0.96%  [kernel]  [k] power_pmu_enable
       0.91%  [kernel]  [k] update_sd_lb_stats.constprop.0
       0.67%  [kernel]  [k] ktime_get
      Signed-off-by: default avatarRitesh Harjani <riteshh@linux.ibm.com>
      Reviewed-by: default avatarHarshad Shirwadkar <harshadshirwadkar@gmail.com>
      Link: https://lore.kernel.org/r/930f35d4fd5f83e2673c868781d9ebf15e91bf4e.1645426817.git.riteshh@linux.ibm.comSigned-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
      b3998b3b
  2. 26 Feb, 2022 13 commits
  3. 20 Feb, 2022 13 commits
  4. 19 Feb, 2022 5 commits
  5. 18 Feb, 2022 8 commits
    • Dmitry Torokhov's avatar
      Input: psmouse - set up dependency between PS/2 and SMBus companions · 7b1f781f
      Dmitry Torokhov authored
      When we switch from emulated PS/2 to native (RMI4 or Elan) protocols, we
      create SMBus companion devices that are attached to I2C/SMBus controllers.
      However, when suspending and resuming, we also need to make sure that we
      take into account the PS/2 device they are associated with, so that PS/2
      device is suspended after the companion and resumed before it, otherwise
      companions will not work properly. Before I2C devices were marked for
      asynchronous suspend/resume, this ordering happened naturally, but now we
      need to enforce it by establishing device links, with PS/2 devices being
      suppliers and SMBus companions being consumers.
      
      Fixes: 172d9319 ("i2c: enable async suspend/resume on i2c client devices")
      Reported-and-tested-by: default avatarHugh Dickins <hughd@google.com>
      Tested-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
      Link: https://lore.kernel.org/r/89456fcd-a113-4c82-4b10-a9bcaefac68f@google.com
      Link: https://lore.kernel.org/r/YgwQN8ynO88CPMju@google.comSigned-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
      7b1f781f
    • Rafael J. Wysocki's avatar
      Merge branch 'acpi-processor' · 82926564
      Rafael J. Wysocki authored
      Merge fix for a recent boot lockup regression on 32-bit ThinkPad T40.
      
      * acpi-processor:
        ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40
      82926564
    • Linus Torvalds's avatar
      Merge tag 'mtd/fixes-for-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux · 7993e65f
      Linus Torvalds authored
      Pull MTD fixes from Miquel Raynal:
       "MTD changes:
      
         - Qcom:
            - Don't print error message on -EPROBE_DEFER
            - Fix kernel panic on skipped partition
            - Fix missing free for pparts in cleanup
      
         - phram: Prevent divide by zero bug in phram_setup()
      
        Raw NAND controller changes:
      
         - ingenic: Fix missing put_device in ingenic_ecc_get
      
         - qcom: Fix clock sequencing in qcom_nandc_probe()
      
         - omap2: Prevent invalid configuration and build error
      
         - gpmi: Don't leak PM reference in error path
      
         - brcmnand: Fix incorrect sub-page ECC status"
      
      * tag 'mtd/fixes-for-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
        mtd: rawnand: brcmnand: Fixed incorrect sub-page ECC status
        mtd: rawnand: gpmi: don't leak PM reference in error path
        mtd: phram: Prevent divide by zero bug in phram_setup()
        mtd: rawnand: omap2: Prevent invalid configuration and build error
        mtd: parsers: qcom: Fix missing free for pparts in cleanup
        mtd: parsers: qcom: Fix kernel panic on skipped partition
        mtd: parsers: qcom: Don't print error message on -EPROBE_DEFER
        mtd: rawnand: qcom: Fix clock sequencing in qcom_nandc_probe()
        mtd: rawnand: ingenic: Fix missing put_device in ingenic_ecc_get
      7993e65f
    • Linus Torvalds's avatar
      Merge tag 'block-5.17-2022-02-17' of git://git.kernel.dk/linux-block · b9889768
      Linus Torvalds authored
      Pull block fixes from Jens Axboe:
      
       - Surprise removal fix (Christoph)
      
       - Ensure that pages are zeroed before submitted for userspace IO
         (Haimin)
      
       - Fix blk-wbt accounting issue with BFQ (Laibin)
      
       - Use bsize for discard granularity in loop (Ming)
      
       - Fix missing zone handling in blk_complete_request() (Pankaj)
      
      * tag 'block-5.17-2022-02-17' of git://git.kernel.dk/linux-block:
        block/wbt: fix negative inflight counter when remove scsi device
        block: fix surprise removal for drivers calling blk_set_queue_dying
        block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern
        block: loop:use kstatfs.f_bsize of backing file to set discard granularity
        block: Add handling for zone append command in blk_complete_request
      b9889768
    • Linus Torvalds's avatar
      Merge tag 'sound-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound · 2848551b
      Linus Torvalds authored
      Pull sound fixes from Takashi Iwai:
       "A collection of small patches, mostly for old and new regressions and
        device-specific fixes.
      
         - Regression fixes regarding ALSA core SG-buffer helpers
      
         - Regression fix for Realtek HD-audio mutex deadlock
      
         - Regression fix for USB-audio PM resume error
      
         - More coverage of ASoC core control API notification fixes
      
         - Old regression fixes for HD-audio probe mask
      
         - Fixes for ASoC Realtek codec work handling
      
         - Other device-specific quirks / fixes"
      
      * tag 'sound-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits)
        ASoC: intel: skylake: Set max DMA segment size
        ASoC: SOF: hda: Set max DMA segment size
        ALSA: hda: Set max DMA segment size
        ALSA: hda/realtek: Fix deadlock by COEF mutex
        ALSA: usb-audio: Don't abort resume upon errors
        ALSA: hda: Fix missing codec probe on Shenker Dock 15
        ALSA: hda: Fix regression on forced probe mask option
        ALSA: hda/realtek: Add quirk for Legion Y9000X 2019
        ALSA: usb-audio: revert to IMPLICIT_FB_FIXED_DEV for M-Audio FastTrack Ultra
        ASoC: wm_adsp: Correct control read size when parsing compressed buffer
        ASoC: qcom: Actually clear DMA interrupt register for HDMI
        ALSA: memalloc: invalidate SG pages before sync
        ALSA: memalloc: Fix dma_need_sync() checks
        MAINTAINERS: update cros_ec_codec maintainers
        ASoC: rt5682: do not block workqueue if card is unbound
        ASoC: rt5668: do not block workqueue if card is unbound
        ASoC: rt5682s: do not block workqueue if card is unbound
        ASoC: tas2770: Insert post reset delay
        ASoC: Revert "ASoC: mediatek: Check for error clk pointer"
        ASoC: amd: acp: Set gpio_spkr_en to None for max speaker amplifer in machine driver
        ...
      2848551b
    • Linus Torvalds's avatar
      Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux · 45a98a71
      Linus Torvalds authored
      Pull arm64 fix from Catalin Marinas:
       "Fix wrong branch label in the EL2 GICv3 initialisation code"
      
      * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
        arm64: Correct wrong label in macro __init_el2_gicv3
      45a98a71
    • Linus Torvalds's avatar
      Merge tag 'powerpc-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux · ea4b3d29
      Linus Torvalds authored
      Pull powerpc fixes from Michael Ellerman:
      
       - Fix boot failure on 603 with DEBUG_PAGEALLOC and KFENCE
      
       - Fix 32-build with newer binutils that rejects 'ptesync' etc
      
      Thanks to Anders Roxell, Christophe Leroy, and Maxime Bizon.
      
      * tag 'powerpc-5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
        powerpc/lib/sstep: fix 'ptesync' build error
        powerpc/603: Fix boot failure with DEBUG_PAGEALLOC and KFENCE
      ea4b3d29
    • Linus Torvalds's avatar
      Merge tag '5.17-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6 · 7476b043
      Linus Torvalds authored
      Pull cifs fixes from Steve French:
       "Six small smb3 client fixes, three for stable:
      
         - fix for snapshot mount option
      
         - two ACL related fixes
      
         - use after free race fix
      
         - fix for confusing warning message logged with older dialects"
      
      * tag '5.17-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
        cifs: fix confusing unneeded warning message on smb2.1 and earlier
        cifs: modefromsids must add an ACE for authenticated users
        cifs: fix double free race when mount fails in cifs_get_root()
        cifs: do not use uninitialized data in the owner/group sid
        cifs: fix set of group SID via NTSD xattrs
        smb3: fix snapshot mount option
      7476b043