Commit Graph

1310715 Commits

Author SHA1 Message Date
Christoph Hellwig
db129fa011 xfs: remove the agno argument to xfs_free_ag_extent
xfs_free_ag_extent already has a pointer to the pag structure through
the agf buffer.  Use that instead of passing the redundant argument,
and do the same for the tracepoint.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:24 -08:00
Christoph Hellwig
67ce5ba575 xfs: pass a pag to xfs_difree_inode_chunk
We'll want to use more than just the agno field in a bit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:24 -08:00
Christoph Hellwig
9943b45732 xfs: remove the unused pag_active_wq field in struct xfs_perag
pag_active_wq is only woken, but never waited for.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:24 -08:00
Christoph Hellwig
4e071d79e4 xfs: remove the unused pagb_count field in struct xfs_perag
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:23 -08:00
Christoph Hellwig
cd8ae42a82 xfs: fix superfluous clearing of info->low in __xfs_getfsmap_datadev
The for_each_perag helpers update the agno passed in for each iteration,
and thus the "if (pag->pag_agno == start_ag)" check will always be true.

Add another variable for the loop iterator so that the field is only
cleared after the first iteration.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
2024-11-05 13:38:23 -08:00
Darrick J. Wong
62027820eb xfs: fix simplify extent lookup in xfs_can_free_eofblocks
In commit 11f4c3a53a, we tried to simplify the extent lookup in
xfs_can_free_eofblocks so that it doesn't incur the overhead of all the
extra stuff that xfs_bmapi_read does around the iext lookup.

Unfortunately, this causes regressions on generic/603, xfs/108,
generic/219, xfs/173, generic/694, xfs/052, generic/230, and xfs/441
when always_cow is turned on.  In all cases, the regressions take the
form of alwayscow files consuming rather more space than the golden
output is expecting.  I observed that in all these cases, the cause of
the excess space usage was due to CoW fork delalloc reservations that go
beyond EOF.

For alwayscow files we allow posteof delalloc CoW reservations because
all writes go through the CoW fork.  Recall that all extents in the CoW
fork are accounted for via i_delayed_blks, which means that prior to
this patch, we'd invoke xfs_free_eofblocks on first close if anything
was in the CoW fork.  Now we don't do that.

Fix the problem by reverting the removal of the i_delayed_blks check.

Cc: <stable@vger.kernel.org> # v6.12-rc1
Fixes: 11f4c3a53a ("xfs: simplify extent lookup in xfs_can_free_eofblocks")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2024-11-05 13:38:23 -08:00
Linus Torvalds
59b723cd2a Linux 6.12-rc6 2024-11-03 14:05:52 -10:00
Linus Torvalds
a8cc743272 17 hotfixes. 9 are cc:stable. 13 are MM and 4 are non-MM.
The usual collection of singletons - please see the changelogs.
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Merge tag 'mm-hotfixes-stable-2024-11-03-10-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "17 hotfixes.  9 are cc:stable.  13 are MM and 4 are non-MM.

  The usual collection of singletons - please see the changelogs"

* tag 'mm-hotfixes-stable-2024-11-03-10-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm: multi-gen LRU: use {ptep,pmdp}_clear_young_notify()
  mm: multi-gen LRU: remove MM_LEAF_OLD and MM_NONLEAF_TOTAL stats
  mm, mmap: limit THP alignment of anonymous mappings to PMD-aligned sizes
  mm: shrinker: avoid memleak in alloc_shrinker_info
  .mailmap: update e-mail address for Eugen Hristev
  vmscan,migrate: fix page count imbalance on node stats when demoting pages
  mailmap: update Jarkko's email addresses
  mm: allow set/clear page_type again
  nilfs2: fix potential deadlock with newly created symlinks
  Squashfs: fix variable overflow in squashfs_readpage_block
  kasan: remove vmalloc_percpu test
  tools/mm: -Werror fixes in page-types/slabinfo
  mm, swap: avoid over reclaim of full clusters
  mm: fix PSWPIN counter for large folios swap-in
  mm: avoid VM_BUG_ON when try to map an anon large folio to zero page.
  mm/codetag: fix null pointer check logic for ref and tag
  mm/gup: stop leaking pinned pages in low memory conditions
2024-11-03 10:25:05 -10:00
Linus Torvalds
d5aaa0bc6d phy fixes for 6.12
- Bunch of Qualcomm QMP driver fixes for null deref on suspend, bogus
    supplies fix and reset entries fix
  - BCM usb driver init array fix
  - cadence array offset fix
  - starfive link configuration fix
  - config dependency fix for rockchip driver
  - freescale reset signal fix before pll lock
  - tegra driver fix for error pointer check
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Merge tag 'phy-fixes-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy fixes from Vinod Koul:

 - Qualcomm QMP driver fixes for null deref on suspend, bogus supplies
   fix and reset entries fix

 - BCM usb driver init array fix

 - cadence array offset fix

 - starfive link configuration fix

 - config dependency fix for rockchip driver

 - freescale reset signal fix before pll lock

 - tegra driver fix for error pointer check

* tag 'phy-fixes-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
  phy: tegra: xusb: Add error pointer check in xusb.c
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Fix X1E80100 resets entries
  phy: freescale: imx8m-pcie: Do CMN_RST just before PHY PLL lock check
  phy: phy-rockchip-samsung-hdptx: Depend on CONFIG_COMMON_CLK
  phy: ti: phy-j721e-wiz: fix usxgmii configuration
  phy: starfive: jh7110-usb: Fix link configuration to controller
  phy: qcom: qmp-pcie: drop bogus x1e80100 qref supplies
  phy: qcom: qmp-combo: move driver data initialisation earlier
  phy: qcom: qmp-usbc: fix NULL-deref on runtime suspend
  phy: qcom: qmp-usb-legacy: fix NULL-deref on runtime suspend
  phy: qcom: qmp-usb: fix NULL-deref on runtime suspend
  dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: add missing x1e80100 pipediv2 clocks
  phy: usb: disable COMMONONN for dual mode
  phy: cadence: Sierra: Fix offset of DEQ open eye algorithm control register
  phy: usb: Fix missing elements in BCM4908 USB init array
2024-11-03 10:19:34 -10:00
Linus Torvalds
e8529dcb12 dmaengine fixes for v6.12
Driver fixes for:
  - TI driver fix to set EOP for cyclic BCDMA transfers
  - sh rz-dmac driver fix for handling config with zero address
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Merge tag 'dmaengine-fix-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine fixes from Vinod Koul:

 - TI driver fix to set EOP for cyclic BCDMA transfers

 - sh rz-dmac driver fix for handling config with zero address

* tag 'dmaengine-fix-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
  dmaengine: ti: k3-udma: Set EOP for all TRs in cyclic BCDMA transfer
  dmaengine: sh: rz-dmac: handle configs where one address is zero
2024-11-03 10:15:50 -10:00
Linus Torvalds
886b7e80ab Driver core revert fix for 6.12-rc6
Here is a single driver core revert for 6.12-rc6.  It reverts a change
 that came in -rc1 that was supposed to resolve a reported problem, but
 caused another one, so revert it for now so that we can get this all
 worked out properly in 6.13.
 
 The revert has been in linux-next all week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core revert from Greg KH:
 "Here is a single driver core revert for 6.12-rc6. It reverts a change
  that came in -rc1 that was supposed to resolve a reported problem, but
  caused another one, so revert it for now so that we can get this all
  worked out properly in 6.13.

  The revert has been in linux-next all week with no reported issues"

* tag 'driver-core-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Revert "driver core: Fix uevent_show() vs driver detach race"
2024-11-03 08:51:53 -10:00
Linus Torvalds
be5bfa1378 USB / Thunderbolt fixes for 6.12-rc6
Here are some small USB and Thunderbolt driver fixes for 6.12-rc6 that
 have been sitting in my tree this week.  Included in here are the
 following:
   - thunderbolt driver fixes for reported issues
   - USB typec driver fixes
   - xhci driver fixes for reported problems
   - dwc2 driver revert for a broken change
   - usb phy driver fix
   - usbip tool fix
 
 All of these have been in linux-next this week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt fixes from Greg KH:
 "Here are some small USB and Thunderbolt driver fixes for 6.12-rc6 that
  have been sitting in my tree this week. Included in here are the
  following:

   - thunderbolt driver fixes for reported issues

   - USB typec driver fixes

   - xhci driver fixes for reported problems

   - dwc2 driver revert for a broken change

   - usb phy driver fix

   - usbip tool fix

  All of these have been in linux-next this week with no reported
  issues"

* tag 'usb-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: typec: tcpm: restrict SNK_WAIT_CAPABILITIES_TIMEOUT transitions to non self-powered devices
  usb: phy: Fix API devm_usb_put_phy() can not release the phy
  usb: typec: use cleanup facility for 'altmodes_node'
  usb: typec: fix unreleased fwnode_handle in typec_port_register_altmodes()
  usb: typec: qcom-pmic-typec: fix missing fwnode removal in error path
  usb: typec: qcom-pmic-typec: use fwnode_handle_put() to release fwnodes
  usb: acpi: fix boot hang due to early incorrect 'tunneled' USB3 device links
  Revert "usb: dwc2: Skip clock gating on Broadcom SoCs"
  xhci: Fix Link TRB DMA in command ring stopped completion event
  xhci: Use pm_runtime_get to prevent RPM on unsupported systems
  usbip: tools: Fix detach_port() invalid port error path
  thunderbolt: Honor TMU requirements in the domain when setting TMU mode
  thunderbolt: Fix KASAN reported stack out-of-bounds read in tb_retimer_scan()
2024-11-03 08:48:11 -10:00
Yu Zhao
1d4832becd mm: multi-gen LRU: use {ptep,pmdp}_clear_young_notify()
When the MM_WALK capability is enabled, memory that is mostly accessed by
a VM appears younger than it really is, therefore this memory will be less
likely to be evicted.  Therefore, the presence of a running VM can
significantly increase swap-outs for non-VM memory, regressing the
performance for the rest of the system.

Fix this regression by always calling {ptep,pmdp}_clear_young_notify()
whenever we clear the young bits on PMDs/PTEs.

[jthoughton@google.com: fix link-time error]
Link: https://lkml.kernel.org/r/20241019012940.3656292-3-jthoughton@google.com
Fixes: bd74fdaea1 ("mm: multi-gen LRU: support page table walks")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Reported-by: David Stevens <stevensd@google.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Matlack <dmatlack@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-11-03 10:47:03 -08:00
Yu Zhao
ddd6d8e975 mm: multi-gen LRU: remove MM_LEAF_OLD and MM_NONLEAF_TOTAL stats
Patch series "mm: multi-gen LRU: Have secondary MMUs participate in
MM_WALK".

Today, the MM_WALK capability causes MGLRU to clear the young bit from
PMDs and PTEs during the page table walk before eviction, but MGLRU does
not call the clear_young() MMU notifier in this case.  By not calling this
notifier, the MM walk takes less time/CPU, but it causes pages that are
accessed mostly through KVM / secondary MMUs to appear younger than they
should be.

We do call the clear_young() notifier today, but only when attempting to
evict the page, so we end up clearing young/accessed information less
frequently for secondary MMUs than for mm PTEs, and therefore they appear
younger and are less likely to be evicted.  Therefore, memory that is
*not* being accessed mostly by KVM will be evicted *more* frequently,
worsening performance.

ChromeOS observed a tab-open latency regression when enabling MGLRU with a
setup that involved running a VM:

		Tab-open latency histogram (ms)
Version		p50	mean	p95	p99	max
base		1315	1198	2347	3454	10319
mglru		2559	1311	7399	12060	43758
fix		1119	926	2470	4211	6947

This series replaces the final non-selftest patchs from this series[1],
which introduced a similar change (and a new MMU notifier) with KVM
optimizations.  I'll send a separate series (to Sean and Paolo) for the
KVM optimizations.

This series also makes proactive reclaim with MGLRU possible for KVM
memory.  I have verified that this functions correctly with the selftest
from [1], but given that that test is a KVM selftest, I'll send it with
the rest of the KVM optimizations later.  Andrew, let me know if you'd
like to take the test now anyway.

[1]: https://lore.kernel.org/linux-mm/20240926013506.860253-18-jthoughton@google.com/


This patch (of 2):

The removed stats, MM_LEAF_OLD and MM_NONLEAF_TOTAL, are not very helpful
and become more complicated to properly compute when adding
test/clear_young() notifiers in MGLRU's mm walk.

Link: https://lkml.kernel.org/r/20241019012940.3656292-1-jthoughton@google.com
Link: https://lkml.kernel.org/r/20241019012940.3656292-2-jthoughton@google.com
Fixes: bd74fdaea1 ("mm: multi-gen LRU: support page table walks")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Matlack <dmatlack@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: David Stevens <stevensd@google.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-11-03 10:47:02 -08:00
Linus Torvalds
32cfb3c48e Char/Misc/IIO driver fixes for 6.12-rc6
Here are some small char/misc/iio fixes for 6.12-rc6 that resolves some
 reported issues.  Included in here are the following:
   - small IIO driver fixes for many reported issues
   - mei driver fix for a suddenly much reported issue for an "old"
     issue.
   - MAINTAINERS update for a developer who has moved companies and
     forgot to update their old entry.
 
 All of these have been in linux-next this week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull misc driver fixes from Greg KH:
 "Here are some small char/misc/iio fixes for 6.12-rc6 that resolve
  some reported issues. Included in here are the following:

   - small IIO driver fixes for many reported issues

   - mei driver fix for a suddenly much reported issue for an "old"
     issue.

   - MAINTAINERS update for a developer who has moved companies and
     forgot to update their old entry.

  All of these have been in linux-next this week with no reported
  issues"

* tag 'char-misc-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  mei: use kvmalloc for read buffer
  MAINTAINERS: add netup_unidvb maintainer
  iio: dac: Kconfig: Fix build error for ltc2664
  iio: adc: ad7124: fix division by zero in ad7124_set_channel_odr()
  staging: iio: frequency: ad9832: fix division by zero in ad9832_calc_freqreg()
  docs: iio: ad7380: fix supply for ad7380-4
  iio: adc: ad7380: fix supplies for ad7380-4
  iio: adc: ad7380: add missing supplies
  iio: adc: ad7380: use devm_regulator_get_enable_read_voltage()
  dt-bindings: iio: adc: ad7380: fix ad7380-4 reference supply
  iio: light: veml6030: fix microlux value calculation
  iio: gts-helper: Fix memory leaks for the error path of iio_gts_build_avail_scale_table()
  iio: gts-helper: Fix memory leaks in iio_gts_build_avail_scale_table()
2024-11-03 08:45:03 -10:00
Linus Torvalds
295ba6501d Input updates for v6.12-rc5
- a fix for regression in input core introduced in 6.11 preventing
   re-registering input handlers
 
 - a fix for adp5588-keys driver tyring to disable interrupt 0 at suspend
   when devices is used without interrupt
 
 - a fix for edt-ft5x06 to stop leaking regmap structure when probing
   fails and to make sure it is not released too early on removal.
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Merge tag 'input-for-v6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input fixes from Dmitry Torokhov:

 - a fix for regression in input core introduced in 6.11 preventing
   re-registering input handlers

 - a fix for adp5588-keys driver tyring to disable interrupt 0 at
   suspend when devices is used without interrupt

 - a fix for edt-ft5x06 to stop leaking regmap structure when probing
   fails and to make sure it is not released too early on removal.

* tag 'input-for-v6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: fix regression when re-registering input handlers
  Input: adp5588-keys - do not try to disable interrupt 0
  Input: edt-ft5x06 - fix regmap leak when probe fails
2024-11-03 08:35:29 -10:00
Linus Torvalds
a33ab3f94f Kbuild fixes for v6.12 (2nd)
- Fix a memory leak in modpost
 
  - Resolve build issues when cross-compiling RPM and Debian packages
 
  - Fix another regression in Kconfig
 
  - Fix incorrect MODULE_ALIAS() output in modpost
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Merge tag 'kbuild-fixes-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix a memory leak in modpost

 - Resolve build issues when cross-compiling RPM and Debian packages

 - Fix another regression in Kconfig

 - Fix incorrect MODULE_ALIAS() output in modpost

* tag 'kbuild-fixes-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  modpost: fix input MODULE_DEVICE_TABLE() built for 64-bit on 32-bit host
  modpost: fix acpi MODULE_DEVICE_TABLE built with mismatched endianness
  kconfig: show sub-menu entries even if the prompt is hidden
  kbuild: deb-pkg: add pkg.linux-upstream.nokerneldbg build profile
  kbuild: deb-pkg: add pkg.linux-upstream.nokernelheaders build profile
  kbuild: rpm-pkg: disable kernel-devel package when cross-compiling
  sumversion: Fix a memory leak in get_src_version()
2024-11-03 08:29:02 -10:00
Linus Torvalds
b9021de3ec A trivial compile test fix for x86
When CONFIG_AMD_NB is not set a COMPILE_TEST of an AMD specific driver
   fails due to a missing inline stub. Add the stub to cure it.
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Merge tag 'x86-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Thomas Gleixner:
 "A trivial compile test fix for x86:

  When CONFIG_AMD_NB is not set a COMPILE_TEST of an AMD specific driver
  fails due to a missing inline stub. Add the stub to cure it"

* tag 'x86-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/amd_nb: Fix compile-testing without CONFIG_AMD_NB
2024-11-03 08:26:00 -10:00
Linus Torvalds
b019b4a670 A single fix for posix CPU timers
When a thread is cloned, the posix CPU timers are not inherited.
 
   If the parent has a CPU timer armed the corresponding tick dependency in
   the tasks tick_dep_mask is set and copied to the new thread, which means
   the new thread and all decendants will prevent the system to go into full
   NOHZ operation.
 
   Clear the tick dependency mask in copy_process() to fix this.
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Merge tag 'timers-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Thomas Gleixner:
 "A single fix for posix CPU timers.

  When a thread is cloned, the posix CPU timers are not inherited.

  If the parent has a CPU timer armed the corresponding tick dependency
  in the tasks tick_dep_mask is set and copied to the new thread, which
  means the new thread and all decendants will prevent the system to go
  into full NOHZ operation.

  Clear the tick dependency mask in copy_process() to fix this"

* tag 'timers-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  posix-cpu-timers: Clear TICK_DEP_BIT_POSIX_TIMER on clone
2024-11-03 08:22:21 -10:00
Linus Torvalds
33e83ffe4c A few scheduler fixes:
- Plug a race between pick_next_task_fair() and try_to_wake_up() where
    both try to write to the same task, even though both paths hold a
    runqueue lock, but obviously from different runqueues.
 
    The problem is that the store to task::on_rq in __block_task() is
    visible to try_to_wake_up() which assumes that the task is not queued.
    Both sides then operate on the same task.
 
    Cure it by rearranging __block_task() so the the store to task::on_rq is
    the last operation on the task.
 
  - Prevent a potential NULL pointer dereference in task_numa_work()
 
    task_numa_work() iterates the VMAs of a process. A concurrent unmap of
    the address space can result in a NULL pointer return from vma_next()
    which is unchecked.
 
    Add the missing NULL pointer check to prevent this.
 
  - Operate on the correct scheduler policy in task_should_scx()
 
    task_should_scx() returns true when a task should be handled by sched
    EXT. It checks the tasks scheduling policy.
 
    This fails when the check is done before a policy has been set.
 
    Cure it by handing the policy into task_should_scx() so it operates
    on the requested value.
 
  - Add the missing handling of sched EXT in the delayed dequeue
    mechanism. This was simply forgotten.
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Merge tag 'sched-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Thomas Gleixner:

 - Plug a race between pick_next_task_fair() and try_to_wake_up() where
   both try to write to the same task, even though both paths hold a
   runqueue lock, but obviously from different runqueues.

   The problem is that the store to task::on_rq in __block_task() is
   visible to try_to_wake_up() which assumes that the task is not
   queued. Both sides then operate on the same task.

   Cure it by rearranging __block_task() so the the store to task::on_rq
   is the last operation on the task.

 - Prevent a potential NULL pointer dereference in task_numa_work()

   task_numa_work() iterates the VMAs of a process. A concurrent unmap
   of the address space can result in a NULL pointer return from
   vma_next() which is unchecked.

   Add the missing NULL pointer check to prevent this.

 - Operate on the correct scheduler policy in task_should_scx()

   task_should_scx() returns true when a task should be handled by sched
   EXT. It checks the tasks scheduling policy.

   This fails when the check is done before a policy has been set.

   Cure it by handing the policy into task_should_scx() so it operates
   on the requested value.

 - Add the missing handling of sched EXT in the delayed dequeue
   mechanism. This was simply forgotten.

* tag 'sched-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/ext: Fix scx vs sched_delayed
  sched: Pass correct scheduling policy to __setscheduler_class
  sched/numa: Fix the potential null pointer dereference in task_numa_work()
  sched: Fix pick_next_task_fair() vs try_to_wake_up() race
2024-11-03 08:18:28 -10:00
Linus Torvalds
68f05b251b A single fix for perf:
perf_event_clear_cpumask() uses list_for_each_entry_rcu() without being
   in a RCU read side critical section, which triggers a "suspicious RCU
   usage" warning.
 
   It turns out that the list walk does not be RCU protected because the
   write side lock is held in this contxt.
 
   Change it to a regular list walk.
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Merge tag 'perf-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fix from Thomas Gleixner:
 "perf_event_clear_cpumask() uses list_for_each_entry_rcu() without
  being in a RCU read side critical section, which triggers a
  'suspicious RCU usage' warning.

  It turns out that the list walk does not be RCU protected because the
  write side lock is held in this context.

  Change it to a regular list walk"

* tag 'perf-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf: Fix missing RCU reader protection in perf_event_clear_cpumask()
2024-11-03 08:13:52 -10:00
Linus Torvalds
8f0b844adc Two fixes for the interrupt subsystem:
- Fix an off-by-one error in the failure path of msi_domain_alloc(),
     which causes the cleanup loop to terminate early and leaking the first
     allocated interrupt.
 
   - Handle a corner case in GIC-V4 versus a lazily mapped Virtual
     Processing Element (VPE). If the VPE has not been mapped because the
     guest has not yet emitted a mapping command, then the set_affinity()
     callback returns an error code, which causes the vCPU management to fail.
 
     Return success in this case without touching the hardware. This will be
     done later when the guest issues the mapping command.
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Merge tag 'irq-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:

 - Fix an off-by-one error in the failure path of msi_domain_alloc(),
   which causes the cleanup loop to terminate early and leaking the
   first allocated interrupt.

 - Handle a corner case in GIC-V4 versus a lazily mapped Virtual
   Processing Element (VPE). If the VPE has not been mapped because the
   guest has not yet emitted a mapping command, then the set_affinity()
   callback returns an error code, which causes the vCPU management to
   fail.

   Return success in this case without touching the hardware. This will
   be done later when the guest issues the mapping command.

* tag 'irq-urgent-2024-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/gic-v4: Correctly deal with set_affinity on lazily-mapped VPEs
  genirq/msi: Fix off-by-one error in msi_domain_alloc()
2024-11-03 08:09:25 -10:00
Masahiro Yamada
77dc55a978 modpost: fix input MODULE_DEVICE_TABLE() built for 64-bit on 32-bit host
When building a 64-bit kernel on a 32-bit build host, incorrect
input MODULE_ALIAS() entries may be generated.

For example, when compiling a 64-bit kernel with CONFIG_INPUT_MOUSEDEV=m
on a 64-bit build machine, you will get the correct output:

  $ grep MODULE_ALIAS drivers/input/mousedev.mod.c
  MODULE_ALIAS("input:b*v*p*e*-e*1,*2,*k*110,*r*0,*1,*a*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*2,*k*r*8,*a*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*14A,*r*a*0,*1,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*145,*r*a*0,*1,*18,*1C,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*110,*r*a*0,*1,*m*l*s*f*w*");

However, building the same kernel on a 32-bit machine results in
incorrect output:

  $ grep MODULE_ALIAS drivers/input/mousedev.mod.c
  MODULE_ALIAS("input:b*v*p*e*-e*1,*2,*k*110,*130,*r*0,*1,*a*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*2,*k*r*8,*a*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*14A,*16A,*r*a*0,*1,*20,*21,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*145,*165,*r*a*0,*1,*18,*1C,*20,*21,*38,*3C,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*3,*k*110,*130,*r*a*0,*1,*20,*21,*m*l*s*f*w*");

A similar issue occurs with CONFIG_INPUT_JOYDEV=m. On a 64-bit build
machine, the output is:

  $ grep MODULE_ALIAS drivers/input/joydev.mod.c
  MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*0,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*2,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*8,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*6,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*k*120,*r*a*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*k*130,*r*a*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*k*2C0,*r*a*m*l*s*f*w*");

However, on a 32-bit machine, the output is incorrect:

  $ grep MODULE_ALIAS drivers/input/joydev.mod.c
  MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*0,*20,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*2,*22,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*8,*28,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*3,*k*r*a*6,*26,*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*k*11F,*13F,*r*a*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*k*11F,*13F,*r*a*m*l*s*f*w*");
  MODULE_ALIAS("input:b*v*p*e*-e*1,*k*2C0,*2E0,*r*a*m*l*s*f*w*");

When building a 64-bit kernel, BITS_PER_LONG is defined as 64. However,
on a 32-bit build machine, the constant 1L is a signed 32-bit value.
Left-shifting it beyond 32 bits causes wraparound, and shifting by 31
or 63 bits makes it a negative value.

The fix in commit e0e9263271 ("[PATCH] PATCH: 1 line 2.6.18 bugfix:
modpost-64bit-fix.patch") is incorrect; it only addresses cases where
a 64-bit kernel is built on a 64-bit build machine, overlooking cases
on a 32-bit build machine.

Using 1ULL ensures a 64-bit width on both 32-bit and 64-bit machines,
avoiding the wraparound issue.

Fixes: e0e9263271 ("[PATCH] PATCH: 1 line 2.6.18 bugfix: modpost-64bit-fix.patch")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-11-03 23:58:56 +09:00
Masahiro Yamada
2e766a1f5f modpost: fix acpi MODULE_DEVICE_TABLE built with mismatched endianness
When CONFIG_SATA_AHCI_PLATFORM=m, modpost outputs incorect acpi
MODULE_ALIAS() if the endianness of the target and the build machine
do not match.

When the endianness of the target kernel and the build machine match,
the output is correct:

  $ grep 'MODULE_ALIAS("acpi' drivers/ata/ahci_platform.mod.c
  MODULE_ALIAS("acpi*:APMC0D33:*");
  MODULE_ALIAS("acpi*:010601:*");

However, when building a little-endian kernel on a big-endian machine
(or vice versa), the output is incorrect:

  $ grep 'MODULE_ALIAS("acpi' drivers/ata/ahci_platform.mod.c
  MODULE_ALIAS("acpi*:APMC0D33:*");
  MODULE_ALIAS("acpi*:0601??:*");

The 'cls' and 'cls_msk' fields are 32-bit.

DEF_FIELD() must be used instead of DEF_FIELD_ADDR() to correctly handle
endianness of these 32-bit fields.

The check 'if (cls)' was unnecessary; it never became NULL, as it was
the pointer to 'symval' plus the offset to the 'cls' field.

Fixes: 26095a01d3 ("ACPI / scan: Add support for ACPI _CLS device matching")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-11-03 22:52:12 +09:00
Dmitry Torokhov
071b24b54d Input: fix regression when re-registering input handlers
Commit d469647baf ("Input: simplify event handling logic") introduced
code that would set handler->events() method to either
input_handler_events_filter() or input_handler_events_default() or
input_handler_events_null(), depending on the kind of input handler
(a filter or a regular one) we are dealing with. Unfortunately this
breaks cases when we try to re-register the same filter (as is the case
with sysrq handler): after initial registration the handler will have 2
event handling methods defined, and will run afoul of the check in
input_handler_check_methods():

	input: input_handler_check_methods: only one event processing method can be defined (sysrq)
	sysrq: Failed to register input handler, error -22

Fix this by adding handle_events() method to input_handle structure and
setting it up when registering a new input handle according to event
handling methods defined in associated input_handler structure, thus
avoiding modifying the input_handler structure.

Reported-by: "Ned T. Crigler" <crigler@gmail.com>
Reported-by: Christian Heusel <christian@heusel.eu>
Tested-by: "Ned T. Crigler" <crigler@gmail.com>
Tested-by: Peter Seiderer <ps.report@gmx.net>
Fixes: d469647baf ("Input: simplify event handling logic")
Link: https://lore.kernel.org/r/Zx2iQp6csn42PJA7@xavtug
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2024-11-02 22:28:58 -07:00
Linus Torvalds
3e5e6c9900 nfsd-6.12 fixes:
- Fix two async COPY bugs found during NFS bake-a-thon
 - Fix an svcrdma memory leak
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Merge tag 'nfsd-6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd fixes from Chuck Lever:

 - Fix two async COPY bugs found during NFS bake-a-thon

 - Fix an svcrdma memory leak

* tag 'nfsd-6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  rpcrdma: Always release the rpcrdma_device's xa_array
  NFSD: Never decrement pending_async_copies on error
  NFSD: Initialize struct nfsd4_copy earlier
2024-11-02 09:27:11 -10:00
Linus Torvalds
f6a7b4ec74 XFS bug fies for 6.12-rc6
* fix a sysbot reported crash on filestreams
 * Reduce cpu time spent searching for extents in
   a very fragmented FS
 * Check for delayed allocations before setting extsize
 
 Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-6.12-fixes-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Carlos Maiolino:

 - fix a sysbot reported crash on filestreams

 - Reduce cpu time spent searching for extents in a very fragmented FS

 - Check for delayed allocations before setting extsize

* tag 'xfs-6.12-fixes-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: streamline xfs_filestream_pick_ag
  xfs: fix finding a last resort AG in xfs_filestream_pick_ag
  xfs: Reduce unnecessary searches when searching for the best extents
  xfs: Check for delayed allocations before setting extsize
2024-11-02 09:22:16 -10:00
Linus Torvalds
11066801dd linux_kselftest-fixes-6.12-rc6
Kselftest fixes for Linux 6.12-rc6
 
 - fix syntax error in frequency calculation arithmetic expression in
   intel_pstate run.sh
 - add missing cpupower dependency check intel_pstate run.sh
 - fix idmap_mount_tree_invalid test failure due to incorrect argument
 - fix watchdog-test run leaving the watchdog timer enabled causing
   system reboot. With this fix, the test disables the watchdog timer
   when it gets terminated with SIGTERM, SIGKILL, and SIGQUIT in addition
   to SIGINT
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Merge tag 'linux_kselftest-fixes-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest fixes from Shuah Khan:

 - fix syntax error in frequency calculation arithmetic expression in
   intel_pstate run.sh

 - add missing cpupower dependency check intel_pstate run.sh

 - fix idmap_mount_tree_invalid test failure due to incorrect argument

 - fix watchdog-test run leaving the watchdog timer enabled causing
   system reboot. With this fix, the test disables the watchdog timer
   when it gets terminated with SIGTERM, SIGKILL, and SIGQUIT in
   addition to SIGINT

* tag 'linux_kselftest-fixes-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/watchdog-test: Fix system accidentally reset after watchdog-test
  selftests/intel_pstate: check if cpupower is installed
  selftests/intel_pstate: fix operand expected error
  selftests/mount_setattr: fix idmap_mount_tree_invalid failed to run
2024-11-01 16:05:50 -10:00
Linus Torvalds
f7292c0934 Rust fixes for v6.12 (3nd)
Toolchain and infrastructure:
 
  - Avoid build errors with old 'rustc's without LLVM patch version
    (important since it impacts people that do not even enable Rust).
 
  - Update LLVM version for 'HAVE_CFI_ICALL_NORMALIZE_INTEGERS' in
    'depends on' condition (the fix was eventually backported rather than
    land in LLVM 19).
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Merge tag 'rust-fixes-6.12-3' of https://github.com/Rust-for-Linux/linux

Pull rust fixes from Miguel Ojeda:
 "Toolchain and infrastructure:

   - Avoid build errors with old 'rustc's without LLVM patch version
     (important since it impacts people that do not even enable Rust)

   - Update LLVM version for 'HAVE_CFI_ICALL_NORMALIZE_INTEGERS' in
     'depends on' condition (the fix was eventually backported rather
     than land in LLVM 19)"

* tag 'rust-fixes-6.12-3' of https://github.com/Rust-for-Linux/linux:
  cfi: tweak llvm version for HAVE_CFI_ICALL_NORMALIZE_INTEGERS
  kbuild: rust: avoid errors with old `rustc`s without LLVM patch version
2024-11-01 15:59:46 -10:00
Linus Torvalds
05b92660cd pci-v6.12-fixes-2
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Merge tag 'pci-v6.12-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci fix from Bjorn Helgaas:

 - Enable device-specific ACS-like functionality even if the device
   doesn't advertise an ACS capability, which got broken when adding
   fancy ACS kernel parameter (Jason Gunthorpe)

* tag 'pci-v6.12-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  PCI: Fix pci_enable_acs() support for the ACS quirks
2024-11-01 15:44:23 -10:00
Linus Torvalds
269ce3bd62 drm fixes for 6.12-rc6
xe:
 - Fix missing HPD interrupt enabling, bringing one PM refactor with it
 - Workaround LNL GGTT invalidation not being visible to GuC
 - Avoid getting jobs stuck without a protecting timeout
 
 ivpu:
 - Fix firewall IRQ handling
 
 panthor:
 - Fix firmware initialization wrt page sizes
 - Fix handling and reporting of dead job groups
 
 sched:
 - Guarantee forward progress via WC_MEM_RECLAIM
 
 tests:
 - Fix memory leak in drm_display_mode_from_cea_vic()
 
 amdgpu:
 - DCN 3.5 fix
 - Vangogh SMU KASAN fix
 - SMU 13 profile reporting fix
 
 mediatek:
 - Fix degradation problem of alpha blending
 - Fix color format MACROs in OVL
 - Fix get efuse issue for MT8188 DPTX
 - Fix potential NULL dereference in mtk_crtc_destroy()
 - Correct dpi power-domains property
 - Add split subschema property constraints
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Merge tag 'drm-fixes-2024-11-02' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Regular fixes pull, nothing too out of the ordinary, the mediatek
  fixes came in a batch that I might have preferred a bit earlier but
  all seem fine, otherwise regular xe/amdgpu and a few misc ones.

  xe:
   - Fix missing HPD interrupt enabling, bringing one PM refactor with it
   - Workaround LNL GGTT invalidation not being visible to GuC
   - Avoid getting jobs stuck without a protecting timeout

  ivpu:
   - Fix firewall IRQ handling

  panthor:
   - Fix firmware initialization wrt page sizes
   - Fix handling and reporting of dead job groups

  sched:
   - Guarantee forward progress via WC_MEM_RECLAIM

  tests:
   - Fix memory leak in drm_display_mode_from_cea_vic()

  amdgpu:
   - DCN 3.5 fix
   - Vangogh SMU KASAN fix
   - SMU 13 profile reporting fix

  mediatek:
   - Fix degradation problem of alpha blending
   - Fix color format MACROs in OVL
   - Fix get efuse issue for MT8188 DPTX
   - Fix potential NULL dereference in mtk_crtc_destroy()
   - Correct dpi power-domains property
   - Add split subschema property constraints"

* tag 'drm-fixes-2024-11-02' of https://gitlab.freedesktop.org/drm/kernel: (27 commits)
  drm/xe: Don't short circuit TDR on jobs not started
  drm/xe: Add mmio read before GGTT invalidate
  drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()
  drm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()
  drm/tests: helpers: Add helper for drm_display_mode_from_cea_vic()
  drm/panthor: Report group as timedout when we fail to properly suspend
  drm/panthor: Fail job creation when the group is dead
  drm/panthor: Fix firmware initialization on systems with a page size > 4k
  accel/ivpu: Fix NOC firewall interrupt handling
  drm/xe/display: Add missing HPD interrupt enabling during non-d3cold RPM resume
  drm/xe/display: Separate the d3cold and non-d3cold runtime PM handling
  drm/xe: Remove runtime argument from display s/r functions
  drm/amdgpu/smu13: fix profile reporting
  drm/amd/pm: Vangogh: Fix kernel memory out of bounds write
  Revert "drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35"
  drm/sched: Mark scheduler work queues with WQ_MEM_RECLAIM
  drm/tegra: Fix NULL vs IS_ERR() check in probe()
  dt-bindings: display: mediatek: split: add subschema property constraints
  dt-bindings: display: mediatek: dpi: correct power-domains property
  drm/mediatek: Fix potential NULL dereference in mtk_crtc_destroy()
  ...
2024-11-01 15:37:09 -10:00
Linus Torvalds
b1966a1fd2 cxl fixes for v6.12-rc6
- Fix crashes when running with cxl-test code
 	- Fix Trace DRAM Event Record field decodes
 	- Fix module/built in initialization order errors
 	- Fix use after free on decoder shutdowns
 	- Fix out of order decoder allocations
 	- Improve cxl-test to better reflect real world systems
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Merge tag 'cxl-fixes-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull cxl fixes from Ira Weiny:
 "The bulk of these fixes center around an initialization order bug
  reported by Gregory Price and some additional fall out from the
  debugging effort.

  In summary, cxl_acpi and cxl_mem race and previously worked because of
  a bus_rescan_devices() while testing without modules built in.

  Unfortunately with modules built in the rescan would fail due to the
  cxl_port driver being registered late via the build order. Furthermore
  it was found bus_rescan_devices() did not guarantee a probe barrier
  which CXL was expecting. Additional fixes to cxl-test and decoder
  allocation came along as they were found in this debugging effort.

  The other fixes are pretty minor but one affects trace point data seen
  by user space.

  Summary:

   - Fix crashes when running with cxl-test code

   - Fix Trace DRAM Event Record field decodes

   - Fix module/built in initialization order errors

   - Fix use after free on decoder shutdowns

   - Fix out of order decoder allocations

   - Improve cxl-test to better reflect real world systems"

* tag 'cxl-fixes-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
  cxl/test: Improve init-order fidelity relative to real-world systems
  cxl/port: Prevent out-of-order decoder allocation
  cxl/port: Fix use-after-free, permit out-of-order decoder shutdown
  cxl/acpi: Ensure ports ready at cxl_acpi_probe() return
  cxl/port: Fix cxl_bus_rescan() vs bus_rescan_devices()
  cxl/port: Fix CXL port initialization order when the subsystem is built-in
  cxl/events: Fix Trace DRAM Event Record
  cxl/core: Return error when cxl_endpoint_gather_bandwidth() handles a non-PCI device
2024-11-01 15:22:57 -10:00
Linus Torvalds
f4a1e8e369 block-6.12-20241101
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Merge tag 'block-6.12-20241101' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:

 - Fixup for a recent blk_rq_map_user_bvec() patch

 - NVMe pull request via Keith:
     - Spec compliant identification fix (Keith)
     - Module parameter to enable backward compatibility on unusual
       namespace formats (Keith)
     - Target double free fix when using keys (Vitaliy)
     - Passthrough command error handling fix (Keith)

* tag 'block-6.12-20241101' of git://git.kernel.dk/linux:
  nvme: re-fix error-handling for io_uring nvme-passthrough
  nvmet-auth: assign dh_key to NULL after kfree_sensitive
  nvme: module parameter to disable pi with offsets
  block: fix queue limits checks in blk_rq_map_user_bvec for real
  nvme: enhance cns version checking
2024-11-01 13:41:55 -10:00
Linus Torvalds
f0d3699aef io_uring-6.12-20241101
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Merge tag 'io_uring-6.12-20241101' of git://git.kernel.dk/linux

Pull io_uring fix from Jens Axboe:

 - Fix not honoring IOCB_NOWAIT for starting buffered writes in terms of
   calling sb_start_write(), leading to a deadlock if someone is
   attempting to freeze the file system with writes in progress, as each
   side will end up waiting for the other to make progress.

* tag 'io_uring-6.12-20241101' of git://git.kernel.dk/linux:
  io_uring/rw: fix missing NOWAIT check for O_DIRECT start write
2024-11-01 13:38:01 -10:00
Linus Torvalds
c426456857 ACPI fix for 6.12-rc6
Make the ACPI CPPC library use a raw spinlock for operations carried
 out in scheduler context via the schedutil governor and the ACPI CPPC
 cpufreq driver (Pierre Gondois).
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Merge tag 'acpi-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Make the ACPI CPPC library use a raw spinlock for operations carried
  out in scheduler context via the schedutil governor and the ACPI CPPC
  cpufreq driver (Pierre Gondois)"

* tag 'acpi-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: CPPC: Make rmw_lock a raw_spin_lock
2024-11-01 09:04:23 -10:00
Linus Torvalds
edf0227abd gpio fixes for v6.12-rc6
- fix an issue with using an uninitialized variable in GPIO swnode code
 - add a missing return value check for devm_mutex_init()
 - fix an old issue with debugfs output
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Merge tag 'gpio-fixes-for-v6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - fix an uninitialized variable in GPIO swnode code

 - add a missing return value check for devm_mutex_init()

 - fix an old issue with debugfs output

* tag 'gpio-fixes-for-v6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpiolib: fix debugfs dangling chip separator
  gpiolib: fix debugfs newline separators
  gpio: sloppy-logic-analyzer: Check for error code from devm_mutex_init() call
  gpio: fix uninit-value in swnode_find_gpio
2024-11-01 09:03:02 -10:00
Dave Airlie
f99c7cca2f Driver Changes:
- Fix missing HPD interrupt enabling, bringing one PM refactor with it
   (Imre / Maarten)
 - Workaround LNL GGTT invalidation not being visible to GuC
   (Matthew Brost)
 - Avoid getting jobs stuck without a protecting timeout (Matthew Brost)
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Merge tag 'drm-xe-fixes-2024-10-31' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

Driver Changes:
- Fix missing HPD interrupt enabling, bringing one PM refactor with it
  (Imre / Maarten)
- Workaround LNL GGTT invalidation not being visible to GuC
  (Matthew Brost)
- Avoid getting jobs stuck without a protecting timeout (Matthew Brost)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/tsbftadm7owyizzdaqnqu7u4tqggxgeqeztlfvmj5fryxlfomi@5m5bfv2zvzmw
2024-11-02 04:44:27 +10:00
Linus Torvalds
a031e15404 RISC-V Fixes for 6.11-rc6
* A fix that avoids accessing the early boot ACPI tables via unsafe
   memory attributes, which can result in incorrect ACPI table data
   appearing.  This can cause all sorts of bad behavior.
 * A fix to avoid compiler-insert library calls in the VDSO.
 * GCC+Rust builds have been disabled, to avoid issues related to ISA
   string mismatched between the GCC and LLVM Rust implementations.
 * The NX flag is now set in the EFI PE/COFF headers, which is necessary
   for some distro GRUB versions to boot images.
 * A fix to avoid leaking DT node reference counts on ACPI systems during
   cache info parsing.
 * CPU numbers are now printed as unsigned values during hotplug.
 * A pair of build fixes for usused macros, which can trigger warnings on
   some configurations.
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Merge tag 'riscv-for-linus-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:

 - Avoid accessing the early boot ACPI tables via unsafe memory
   attributes, which can result in incorrect ACPI table data appearing.
   This can cause all sorts of bad behavior.

 - Avoid compiler-inserted library calls in the VDSO.

 - GCC+Rust builds have been disabled, to avoid issues related to ISA
   string mismatched between the GCC and LLVM Rust implementations.

 - The NX flag is now set in the EFI PE/COFF headers, which is necessary
   for some distro GRUB versions to boot images.

 - A fix to avoid leaking DT node reference counts on ACPI systems
   during cache info parsing.

 - CPU numbers are now printed as unsigned values during hotplug.

 - A pair of build fixes for usused macros, which can trigger warnings
   on some configurations.

* tag 'riscv-for-linus-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Remove duplicated GET_RM
  riscv: Remove unused GENERATING_ASM_OFFSETS
  riscv: Use '%u' to format the output of 'cpu'
  riscv: Prevent a bad reference count on CPU nodes
  riscv: efi: Set NX compat flag in PE/COFF header
  RISC-V: disallow gcc + rust builds
  riscv: Do not use fortify in early code
  RISC-V: ACPI: fix early_ioremap to early_memremap
  riscv: vdso: Prevent the compiler from inserting calls to memset()
2024-11-01 08:26:38 -10:00
Linus Torvalds
3dfffd506e arm64 fixes for -rc6
- Fix handling of POR_EL0 during signal delivery so that pushing the
   signal context doesn't fail based on the pkey configuration of the
   interrupted context and align our user-visible behaviour with that of
   x86.
 
 - Fix a bogus pointer being passed to the CPU hotplug code from the
   Arm SDEI driver.
 
 - Re-enable software tag-based KASAN with GCC by using an alternative
   implementation of '__no_sanitize_address'.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "The important one is a change to the way in which we handle protection
  keys around signal delivery so that we're more closely aligned with
  the x86 behaviour, however there is also a revert of the previous fix
  to disable software tag-based KASAN with GCC, since a workaround
  materialised shortly afterwards.

  I'd love to say we're done with 6.12, but we're aware of some
  longstanding fpsimd register corruption issues that we're almost at
  the bottom of resolving.

  Summary:

   - Fix handling of POR_EL0 during signal delivery so that pushing the
     signal context doesn't fail based on the pkey configuration of the
     interrupted context and align our user-visible behaviour with that
     of x86.

   - Fix a bogus pointer being passed to the CPU hotplug code from the
     Arm SDEI driver.

   - Re-enable software tag-based KASAN with GCC by using an alternative
     implementation of '__no_sanitize_address'"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: signal: Improve POR_EL0 handling to avoid uaccess failures
  firmware: arm_sdei: Fix the input parameter of cpuhp_remove_state()
  Revert "kasan: Disable Software Tag-Based KASAN with GCC"
  kasan: Fix Software Tag-Based KASAN with GCC
2024-11-01 07:54:11 -10:00
Linus Torvalds
17fa6a5f93 vfs-6.12-rc6.iomap
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Merge tag 'vfs-6.12-rc6.iomap' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs

Pull iomap fixes from Christian Brauner:
 "Fixes for iomap to prevent data corruption bugs in the fallocate
  unshare range implementation of fsdax and a small cleanup to turn
  iomap_want_unshare_iter() into an inline function"

* tag 'vfs-6.12-rc6.iomap' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs:
  iomap: turn iomap_want_unshare_iter into an inline function
  fsdax: dax_unshare_iter needs to copy entire blocks
  fsdax: remove zeroing code from dax_unshare_iter
  iomap: share iomap_unshare_iter predicate code with fsdax
  xfs: don't allocate COW extents when unsharing a hole
2024-11-01 07:45:00 -10:00
Linus Torvalds
d56239a82e vfs-6.12-rc6.fixes
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Merge tag 'vfs-6.12-rc6.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs

Pull filesystem fixes from Christian Brauner:
 "VFS:

   - Fix copy_page_from_iter_atomic() if KMAP_LOCAL_FORCE_MAP=y is set

   - Add a get_tree_bdev_flags() helper that allows to modify e.g.,
     whether errors are logged into the filesystem context during
     superblock creation. This is used by erofs to fix a userspace
     regression where an error is currently logged when its used on a
     regular file which is an new allowed mode in erofs.

  netfs:

   - Fix the sysfs debug path in the documentation.

   - Fix iov_iter_get_pages*() for folio queues by skipping the page
     extracation if we're at the end of a folio.

  afs:

   - Fix moving subdirectories to different parent directory.

  autofs:

   - Fix handling of AUTOFS_DEV_IOCTL_TIMEOUT_CMD ioctl in
     validate_dev_ioctl(). The actual ioctl number, not the ioctl
     command needs to be checked for autofs"

* tag 'vfs-6.12-rc6.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs:
  iov_iter: fix copy_page_from_iter_atomic() if KMAP_LOCAL_FORCE_MAP
  autofs: fix thinko in validate_dev_ioctl()
  iov_iter: Fix iov_iter_get_pages*() for folio_queue
  afs: Fix missing subdir edit when renamed between parent dirs
  doc: correcting the debug path for cachefiles
  erofs: use get_tree_bdev_flags() to avoid misleading messages
  fs/super.c: introduce get_tree_bdev_flags()
2024-11-01 07:37:10 -10:00
Linus Torvalds
6b4926494e for-6.12-rc5-tag
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Merge tag 'for-6.12-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "A few more stability fixes. There's one patch adding export of MIPS
  cmpxchg helper, used in the error propagation fix.

   - fix error propagation from split bios to the original btrfs bio

   - fix merging of adjacent extents (normal operation, defragmentation)

   - fix potential use after free after freeing btrfs device structures"

* tag 'for-6.12-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix defrag not merging contiguous extents due to merged extent maps
  btrfs: fix extent map merging not happening for adjacent extents
  btrfs: fix use-after-free of block device file in __btrfs_free_extra_devids()
  btrfs: fix error propagation of split bios
  MIPS: export __cmpxchg_small()
2024-11-01 07:31:47 -10:00
Linus Torvalds
7b83601da4 bcachefs fixes for 6.12-rc6
Various syzbot fixes, and the more notable ones:
 
 - Fix for pointers in an extent overflowing the max (16) on a filesystem
   with many devices: we were creating too many cached copies when moving
   data around. Now, we only create at most one cached copy if there's a
   promote target set.
 
   Caching will be a bit broken for reflinked data until 6.13: I have
   larger series queued up which significantly improves the plumbing for
   data options down into the extent (bch_extent_rebalance) to fix this.
 
 - Fix for deadlock on -ENOSPC on tiny filesystems
 
   Allocation from the partial open_bucket list wasn't correctly
   accounting partial open_buckets as free: this fixes the main cause of
   tests timing out in the automated tests.
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Merge tag 'bcachefs-2024-10-31' of git://evilpiepirate.org/bcachefs

Pull bcachefs fixes from Kent Overstreet:
 "Various syzbot fixes, and the more notable ones:

   - Fix for pointers in an extent overflowing the max (16) on a
     filesystem with many devices: we were creating too many cached
     copies when moving data around. Now, we only create at most one
     cached copy if there's a promote target set.

     Caching will be a bit broken for reflinked data until 6.13: I have
     larger series queued up which significantly improves the plumbing
     for data options down into the extent (bch_extent_rebalance) to fix
     this.

   - Fix for deadlock on -ENOSPC on tiny filesystems

     Allocation from the partial open_bucket list wasn't correctly
     accounting partial open_buckets as free: this fixes the main cause
     of tests timing out in the automated tests"

* tag 'bcachefs-2024-10-31' of git://evilpiepirate.org/bcachefs:
  bcachefs: Fix NULL ptr dereference in btree_node_iter_and_journal_peek
  bcachefs: fix possible null-ptr-deref in __bch2_ec_stripe_head_get()
  bcachefs: Fix deadlock on -ENOSPC w.r.t. partial open buckets
  bcachefs: Don't filter partial list buckets in open_buckets_to_text()
  bcachefs: Don't keep tons of cached pointers around
  bcachefs: init freespace inited bits to 0 in bch2_fs_initialize
  bcachefs: Fix unhandled transaction restart in fallocate
  bcachefs: Fix UAF in bch2_reconstruct_alloc()
  bcachefs: fix null-ptr-deref in have_stripes()
  bcachefs: fix shift oob in alloc_lru_idx_fragmentation
  bcachefs: Fix invalid shift in validate_sb_layout()
2024-11-01 07:21:03 -10:00
Vlastimil Babka
d4148aeab4 mm, mmap: limit THP alignment of anonymous mappings to PMD-aligned sizes
Since commit efa7df3e3b ("mm: align larger anonymous mappings on THP
boundaries") a mmap() of anonymous memory without a specific address hint
and of at least PMD_SIZE will be aligned to PMD so that it can benefit
from a THP backing page.

However this change has been shown to regress some workloads
significantly.  [1] reports regressions in various spec benchmarks, with
up to 600% slowdown of the cactusBSSN benchmark on some platforms.  The
benchmark seems to create many mappings of 4632kB, which would have merged
to a large THP-backed area before commit efa7df3e3b and now they are
fragmented to multiple areas each aligned to PMD boundary with gaps
between.  The regression then seems to be caused mainly due to the
benchmark's memory access pattern suffering from TLB or cache aliasing due
to the aligned boundaries of the individual areas.

Another known regression bisected to commit efa7df3e3b is darktable [2]
[3] and early testing suggests this patch fixes the regression there as
well.

To fix the regression but still try to benefit from THP-friendly anonymous
mapping alignment, add a condition that the size of the mapping must be a
multiple of PMD size instead of at least PMD size.  In case of many
odd-sized mapping like the cactusBSSN creates, those will stop being
aligned and with gaps between, and instead naturally merge again.

Link: https://lkml.kernel.org/r/20241024151228.101841-2-vbabka@suse.cz
Fixes: efa7df3e3b ("mm: align larger anonymous mappings on THP boundaries")
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reported-by: Michael Matz <matz@suse.de>
Debugged-by: Gabriel Krisman Bertazi <gabriel@krisman.be>
Closes: https://bugzilla.suse.com/show_bug.cgi?id=1229012 [1]
Reported-by: Matthias Bodenbinder <matthias@bodenbinder.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219366 [2]
Closes: https://lore.kernel.org/all/2050f0d4-57b0-481d-bab8-05e8d48fed0c@leemhuis.info/ [3]
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Yang Shi <yang@os.amperecomputing.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Jann Horn <jannh@google.com>
Cc: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Petr Tesarik <ptesarik@suse.com>
Cc: Thorsten Leemhuis <regressions@leemhuis.info>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-31 20:27:04 -07:00
Chen Ridong
15e8156713 mm: shrinker: avoid memleak in alloc_shrinker_info
A memleak was found as below:

unreferenced object 0xffff8881010d2a80 (size 32):
  comm "mkdir", pid 1559, jiffies 4294932666
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  @...............
  backtrace (crc 2e7ef6fa):
    [<ffffffff81372754>] __kmalloc_node_noprof+0x394/0x470
    [<ffffffff813024ab>] alloc_shrinker_info+0x7b/0x1a0
    [<ffffffff813b526a>] mem_cgroup_css_online+0x11a/0x3b0
    [<ffffffff81198dd9>] online_css+0x29/0xa0
    [<ffffffff811a243d>] cgroup_apply_control_enable+0x20d/0x360
    [<ffffffff811a5728>] cgroup_mkdir+0x168/0x5f0
    [<ffffffff8148543e>] kernfs_iop_mkdir+0x5e/0x90
    [<ffffffff813dbb24>] vfs_mkdir+0x144/0x220
    [<ffffffff813e1c97>] do_mkdirat+0x87/0x130
    [<ffffffff813e1de9>] __x64_sys_mkdir+0x49/0x70
    [<ffffffff81f8c928>] do_syscall_64+0x68/0x140
    [<ffffffff8200012f>] entry_SYSCALL_64_after_hwframe+0x76/0x7e

alloc_shrinker_info(), when shrinker_unit_alloc() returns an errer, the
info won't be freed.  Just fix it.

Link: https://lkml.kernel.org/r/20241025060942.1049263-1-chenridong@huaweicloud.com
Fixes: 307bececcd ("mm: shrinker: add a secondary array for shrinker_info::{map, nr_deferred}")
Signed-off-by: Chen Ridong <chenridong@huawei.com>
Acked-by: Qi Zheng <zhengqi.arch@bytedance.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Wang Weiyang <wangweiyang2@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-31 20:27:04 -07:00
Eugen Hristev
0173471d21 .mailmap: update e-mail address for Eugen Hristev
Update e-mail address.

Link: https://lkml.kernel.org/r/20241025085848.483149-1-eugen.hristev@linaro.org
Signed-off-by: Eugen Hristev <eugen.hristev@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-31 20:27:04 -07:00
Gregory Price
35e41024c4 vmscan,migrate: fix page count imbalance on node stats when demoting pages
When numa balancing is enabled with demotion, vmscan will call
migrate_pages when shrinking LRUs.  migrate_pages will decrement the
the node's isolated page count, leading to an imbalanced count when
invoked from (MG)LRU code.

The result is dmesg output like such:

$ cat /proc/sys/vm/stat_refresh

[77383.088417] vmstat_refresh: nr_isolated_anon -103212
[77383.088417] vmstat_refresh: nr_isolated_file -899642

This negative value may impact compaction and reclaim throttling.

The following path produces the decrement:

shrink_folio_list
  demote_folio_list
    migrate_pages
      migrate_pages_batch
        migrate_folio_move
          migrate_folio_done
            mod_node_page_state(-ve) <- decrement

This path happens for SUCCESSFUL migrations, not failures.  Typically
callers to migrate_pages are required to handle putback/accounting for
failures, but this is already handled in the shrink code.

When accounting for migrations, instead do not decrement the count when
the migration reason is MR_DEMOTION.  As of v6.11, this demotion logic
is the only source of MR_DEMOTION.

Link: https://lkml.kernel.org/r/20241025141724.17927-1-gourry@gourry.net
Fixes: 26aa2d199d ("mm/migrate: demote pages during reclaim")
Signed-off-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-31 20:27:04 -07:00
Jarkko Sakkinen
85d16bceaf mailmap: update Jarkko's email addresses
Remove my previous work email, and the new one.  The previous was never
used in the commit log, so there's no good reason to spare it.

Link: https://lkml.kernel.org/r/20241025181530.6151-1-jarkko@kernel.org
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Cc: Alex Elder <elder@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Geliang Tang <geliang@kernel.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Cc: Matt Ranostay <matt@ranostay.sg>
Cc: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
Cc: Quentin Monnet <qmo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-31 20:27:03 -07:00
Linus Torvalds
6c52d4da1c RDMA v6.12 second rc pull
- Put the QP netlink dump back in cxgb4, fixes a user visible regression
 
 - Don't change the rounding style in mlx5 for user provided rd_atomic
   values
 
 - Resolve a race in bnxt_re around the qp-handle table array
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:

 - Put the QP netlink dump back in cxgb4, fixes a user visible
   regression

 - Don't change the rounding style in mlx5 for user provided rd_atomic
   values

 - Resolve a race in bnxt_re around the qp-handle table array

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/bnxt_re: synchronize the qp-handle table array
  RDMA/bnxt_re: Fix the usage of control path spin locks
  RDMA/mlx5: Round max_rd_atomic/max_dest_rd_atomic up instead of down
  RDMA/cxgb4: Dump vendor specific QP details
2024-10-31 16:49:23 -10:00
Linus Torvalds
5635f18942 BPF fixes:
- Fix BPF verifier to force a checkpoint when the program's jump
   history becomes too long (Eduard Zingerman)
 
 - Add several fixes to the BPF bits iterator addressing issues
   like memory leaks and overflow problems (Hou Tao)
 
 - Fix an out-of-bounds write in trie_get_next_key (Byeonguk Jeong)
 
 - Fix BPF test infra's LIVE_FRAME frame update after a page has
   been recycled (Toke Høiland-Jørgensen)
 
 - Fix BPF verifier and undo the 40-bytes extra stack space for
   bpf_fastcall patterns due to various bugs (Eduard Zingerman)
 
 - Fix a BPF sockmap race condition which could trigger a NULL
   pointer dereference in sock_map_link_update_prog (Cong Wang)
 
 - Fix tcp_bpf_recvmsg_parser to retrieve seq_copied from tcp_sk
   under the socket lock (Jiayuan Chen)
 
 Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Pull bpf fixes from Daniel Borkmann:

 - Fix BPF verifier to force a checkpoint when the program's jump
   history becomes too long (Eduard Zingerman)

 - Add several fixes to the BPF bits iterator addressing issues like
   memory leaks and overflow problems (Hou Tao)

 - Fix an out-of-bounds write in trie_get_next_key (Byeonguk Jeong)

 - Fix BPF test infra's LIVE_FRAME frame update after a page has been
   recycled (Toke Høiland-Jørgensen)

 - Fix BPF verifier and undo the 40-bytes extra stack space for
   bpf_fastcall patterns due to various bugs (Eduard Zingerman)

 - Fix a BPF sockmap race condition which could trigger a NULL pointer
   dereference in sock_map_link_update_prog (Cong Wang)

 - Fix tcp_bpf_recvmsg_parser to retrieve seq_copied from tcp_sk under
   the socket lock (Jiayuan Chen)

* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf, test_run: Fix LIVE_FRAME frame update after a page has been recycled
  selftests/bpf: Add three test cases for bits_iter
  bpf: Use __u64 to save the bits in bits iterator
  bpf: Check the validity of nr_words in bpf_iter_bits_new()
  bpf: Add bpf_mem_alloc_check_size() helper
  bpf: Free dynamically allocated bits in bpf_iter_bits_destroy()
  bpf: disallow 40-bytes extra stack for bpf_fastcall patterns
  selftests/bpf: Add test for trie_get_next_key()
  bpf: Fix out-of-bounds write in trie_get_next_key()
  selftests/bpf: Test with a very short loop
  bpf: Force checkpoint when jmp history is too long
  bpf: fix filed access without lock
  sock_map: fix a NULL pointer dereference in sock_map_link_update_prog()
2024-10-31 14:56:19 -10:00