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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
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159,976 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Mark Brown
|
9a5a75bf1f |
ASoc: simple-mux: Allow to specify an idle-state
Merge series from "Hendrik v. Raven" <h.v.raven@merzmedtech.de>: This series adds support for the idle-state property from the mux framework to the simple-mux audio variant. It allows to specify the state of the mux when it is not in use. |
||
Kuninori Morimoto
|
1bd775da9b |
ASoC: add symmetric_ prefix for dai->rate/channels/sample_bits
snd_soc_dai has rate/channels/sample_bits parameter, but it is only valid if symmetry is being enforced by symmetric_xxx flag on driver. It is very difficult to know about it from current naming, and easy to misunderstand it. add symmetric_ prefix for it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://patch.msgid.link/87zfmd8bnf.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> |
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Linus Torvalds
|
28e43197c4 |
20 hotfixes, 14 of which are cc:stable.
Three affect DAMON. Lorenzo's five-patch series to address the
mmap_region error handling is here also.
Apart from that, various singletons.
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Merge tag 'mm-hotfixes-stable-2024-11-09-22-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"20 hotfixes, 14 of which are cc:stable.
Three affect DAMON. Lorenzo's five-patch series to address the
mmap_region error handling is here also.
Apart from that, various singletons"
* tag 'mm-hotfixes-stable-2024-11-09-22-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mailmap: add entry for Thorsten Blum
ocfs2: remove entry once instead of null-ptr-dereference in ocfs2_xa_remove()
signal: restore the override_rlimit logic
fs/proc: fix compile warning about variable 'vmcore_mmap_ops'
ucounts: fix counter leak in inc_rlimit_get_ucounts()
selftests: hugetlb_dio: check for initial conditions to skip in the start
mm: fix docs for the kernel parameter ``thp_anon=``
mm/damon/core: avoid overflow in damon_feed_loop_next_input()
mm/damon/core: handle zero schemes apply interval
mm/damon/core: handle zero {aggregation,ops_update} intervals
mm/mlock: set the correct prev on failure
objpool: fix to make percpu slot allocation more robust
mm/page_alloc: keep track of free highatomic
mm: resolve faulty mmap_region() error path behaviour
mm: refactor arch_calc_vm_flag_bits() and arm64 MTE handling
mm: refactor map_deny_write_exec()
mm: unconditionally close VMAs on error
mm: avoid unsafe VMA hook invocation when error arises on mmap hook
mm/thp: fix deferred split unqueue naming and locking
mm/thp: fix deferred split queue not partially_mapped
|
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|
Linus Torvalds
|
c7a8f2a504 |
ACPI fix for 6.12-rc7
Fix the ACPI processor driver initialization ordering after recent changes to avoid calling init_freq_invariance_cppc() too early on AMD platforms (Mario Limonciello). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmcuaekSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxIVIP/iv/z8Y6AB9Xnl+v6YEiQ6WiEyL171Vp NUhNj+oDK4C3Gt6jTZ/PUkAr+1OwDx5CjOpK6o0fpIME8VLNglxo9OwHHlGpxAqH 1S1qbS/B9Zl7Cv+fb4q9Yuf6k0qld3lsKNsc5IR2//A1vz57BZ7iVOysFcBH92cM j+Ahs07d0mS8P+D5SaOZMV1j4m0MShUE36NM3KQOn70pwscAYRcYI7pIeIR8TD5c j1AmtYXLICwibc+OyvRYn+1cTFjMLD8UwuQsTD1192cocBngRT+azQlzsuSrSOHb uJDxFAEumVZ8WUZFYEiJCpCZblYst6cviuNU98UM3L242sbUXTssqiiZQPDshX1K yNKfN4A0p+PlUGN5eF1K6kbCuEVU0M5TQLM41EsTJULlOn7D58k+pKE94Cmse0aW nGyYjjmDmJZc9lGPxgeZCG4Gh7YkK1/PYvK29Qk1F8HheDwzgxI67T3+t7vqPt8a MnmqDUi0nzKe44YyG0vp61KN2azHQIwOfJopaZJJCdCnxciFjr/KD7PjEQLj6aVN ANzX2IrRb+kQnU8m92v8R1mbtElvEvY354ruw5Huy/SxzX6/V9EtcpHwKEBgFUml IsKfxipjdnU2c1holNIPlyIbSH7EzCvFnhrweMx24I8kZJV5BLDyonaNdnqMkgZu tM73ODGIwElh =VPlW -----END PGP SIGNATURE----- Merge tag 'acpi-6.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "Fix the ACPI processor driver initialization ordering after recent changes to avoid calling init_freq_invariance_cppc() too early on AMD platforms (Mario Limonciello)" * tag 'acpi-6.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: processor: Move arch_init_invariance_cppc() call later |
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Linus Torvalds
|
9ea7edac83 |
arm64 fixes for -rc7
- Fix handling of SVE traps from userspace on preemptible kernels when
converting the saved floating point state into SVE state.
- Remove broken support for the SMCCCv1.3 "SVE discard hint"
optimisation.
- Disable SME support, as the current support code suffers from numerous
issues around signal delivery, ptrace access and context-switch which
can lead to user-visible corruption of the register state.
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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:
"Here is a (hopefully) final round of arm64 fixes for 6.12 that address
some user-visible floating point register corruption. Both of the
Marks have been working on this for a couple of weeks and we've ended
up in a position where SVE is solid but SME still has enough pending
issues that the most pragmatic solution for the release and stable
backports is to disable the feature. Yes, it's a shame, but the
hardware is rare as hen's teeth at the moment and we're better off
getting back to a known good state before fixing it all properly.
We're also improving the selftests for 6.13 to help avoid merging
broken code in the future.
Anyway, the good news is that we're removing a lot more code than
we're adding.
Summary:
- Fix handling of SVE traps from userspace on preemptible kernels
when converting the saved floating point state into SVE state.
- Remove broken support for the SMCCCv1.3 "SVE discard hint"
optimisation.
- Disable SME support, as the current support code suffers from
numerous issues around signal delivery, ptrace access and
context-switch which can lead to user-visible corruption of the
register state"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Kconfig: Make SME depend on BROKEN for now
arm64: smccc: Remove broken support for SMCCCv1.3 SVE discard hint
arm64/sve: Discard stale CPU state when handling SVE traps
|
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Roman Gushchin
|
9e05e5c7ee |
signal: restore the override_rlimit logic
Prior to commit |
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Yu Zhao
|
c928807f6f |
mm/page_alloc: keep track of free highatomic
OOM kills due to vastly overestimated free highatomic reserves were observed: ... invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0 ... Node 0 Normal free:1482936kB boost:0kB min:410416kB low:739404kB high:1068392kB reserved_highatomic:1073152KB ... Node 0 Normal: 1292*4kB (ME) 1920*8kB (E) 383*16kB (UE) 220*32kB (ME) 340*64kB (E) 2155*128kB (UE) 3243*256kB (UE) 615*512kB (U) 1*1024kB (M) 0*2048kB 0*4096kB = 1477408kB The second line above shows that the OOM kill was due to the following condition: free (1482936kB) - reserved_highatomic (1073152kB) = 409784KB < min (410416kB) And the third line shows there were no free pages in any MIGRATE_HIGHATOMIC pageblocks, which otherwise would show up as type 'H'. Therefore __zone_watermark_unusable_free() underestimated the usable free memory by over 1GB, which resulted in the unnecessary OOM kill above. The comments in __zone_watermark_unusable_free() warns about the potential risk, i.e., If the caller does not have rights to reserves below the min watermark then subtract the high-atomic reserves. This will over-estimate the size of the atomic reserve but it avoids a search. However, it is possible to keep track of free pages in reserved highatomic pageblocks with a new per-zone counter nr_free_highatomic protected by the zone lock, to avoid a search when calculating the usable free memory. And the cost would be minimal, i.e., simple arithmetics in the highatomic alloc/free/move paths. Note that since nr_free_highatomic can be relatively small, using a per-cpu counter might cause too much drift and defeat its purpose, in addition to the extra memory overhead. Dependson |
||
|
Linus Torvalds
|
bfc64d9b7e |
Including fixes from can and netfilter.
Things are slowing down quite a bit, mostly driver fixes here.
No known ongoing investigations.
Current release - new code bugs:
- eth: ti: am65-cpsw:
- fix multi queue Rx on J7
- fix warning in am65_cpsw_nuss_remove_rx_chns()
Previous releases - regressions:
- mptcp: do not require admin perm to list endpoints, got missed
in a refactoring
- mptcp: use sock_kfree_s instead of kfree
Previous releases - always broken:
- sctp: properly validate chunk size in sctp_sf_ootb() fix OOB access
- virtio_net: make RSS interact properly with queue number
- can: mcp251xfd: mcp251xfd_get_tef_len(): fix length calculation
- can: mcp251xfd: mcp251xfd_ring_alloc(): fix coalescing configuration
when switching CAN modes
Misc:
- revert earlier hns3 fixes, they were ignoring IOMMU abstractions
and need to be reworked
- can: {cc770,sja1000}_isa: allow building on x86_64
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from can and netfilter.
Things are slowing down quite a bit, mostly driver fixes here. No
known ongoing investigations.
Current release - new code bugs:
- eth: ti: am65-cpsw:
- fix multi queue Rx on J7
- fix warning in am65_cpsw_nuss_remove_rx_chns()
Previous releases - regressions:
- mptcp: do not require admin perm to list endpoints, got missed in a
refactoring
- mptcp: use sock_kfree_s instead of kfree
Previous releases - always broken:
- sctp: properly validate chunk size in sctp_sf_ootb() fix OOB access
- virtio_net: make RSS interact properly with queue number
- can: mcp251xfd: mcp251xfd_get_tef_len(): fix length calculation
- can: mcp251xfd: mcp251xfd_ring_alloc(): fix coalescing
configuration when switching CAN modes
Misc:
- revert earlier hns3 fixes, they were ignoring IOMMU abstractions
and need to be reworked
- can: {cc770,sja1000}_isa: allow building on x86_64"
* tag 'net-6.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (42 commits)
drivers: net: ionic: add missed debugfs cleanup to ionic_probe() error path
net/smc: do not leave a dangling sk pointer in __smc_create()
rxrpc: Fix missing locking causing hanging calls
net/smc: Fix lookup of netdev by using ib_device_get_netdev()
net: arc: rockchip: fix emac mdio node support
net: arc: fix the device for dma_map_single/dma_unmap_single
virtio_net: Update rss when set queue
virtio_net: Sync rss config to device when virtnet_probe
virtio_net: Add hash_key_length check
virtio_net: Support dynamic rss indirection table size
netfilter: nf_tables: wait for rcu grace period on net_device removal
net: stmmac: Fix unbalanced IRQ wake disable warning on single irq case
net: vertexcom: mse102x: Fix possible double free of TX skb
mptcp: use sock_kfree_s instead of kfree
mptcp: no admin perm to list endpoints
net: phy: ti: add PHY_RST_AFTER_CLK_EN flag
net: ethernet: ti: am65-cpsw: fix warning in am65_cpsw_nuss_remove_rx_chns()
net: ethernet: ti: am65-cpsw: Fix multi queue Rx on J7
net: hns3: fix kernel crash when uninstalling driver
Revert "Merge branch 'there-are-some-bugfix-for-the-hns3-ethernet-driver'"
...
|
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David Howells
|
fc9de52de3 |
rxrpc: Fix missing locking causing hanging calls
If a call gets aborted (e.g. because kafs saw a signal) between it being
queued for connection and the I/O thread picking up the call, the abort
will be prioritised over the connection and it will be removed from
local->new_client_calls by rxrpc_disconnect_client_call() without a lock
being held. This may cause other calls on the list to disappear if a race
occurs.
Fix this by taking the client_call_lock when removing a call from whatever
list its ->wait_link happens to be on.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-afs@lists.infradead.org
Reported-by: Marc Dionne <marc.dionne@auristor.com>
Fixes:
|
||
Jakub Kicinski
|
013d2c5c6b |
netfilter pull request 24-11-07
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||
Peter Ujfalusi
|
7f4eb7672b |
ASoC: SOF: ext_manifest: Add missing ext_manifest type for PROBE_INFO
Elem type 3 is PROBE_INFO in ext_manifest, add it to the list. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com> Link: https://patch.msgid.link/20241107120306.30680-2-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> |
||
Pablo Neira Ayuso
|
c03d278fdf |
netfilter: nf_tables: wait for rcu grace period on net_device removal
|
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Mark Rutland
|
8c462d5648 |
arm64: smccc: Remove broken support for SMCCCv1.3 SVE discard hint
SMCCCv1.3 added a hint bit which callers can set in an SMCCC function ID
(AKA "FID") to indicate that it is acceptable for the SMCCC
implementation to discard SVE and/or SME state over a specific SMCCC
call. The kernel support for using this hint is broken and SMCCC calls
may clobber the SVE and/or SME state of arbitrary tasks, though FPSIMD
state is unaffected.
The kernel support is intended to use the hint when there is no SVE or
SME state to save, and to do this it checks whether TIF_FOREIGN_FPSTATE
is set or TIF_SVE is clear in assembly code:
| ldr <flags>, [<current_task>, #TSK_TI_FLAGS]
| tbnz <flags>, #TIF_FOREIGN_FPSTATE, 1f // Any live FP state?
| tbnz <flags>, #TIF_SVE, 2f // Does that state include SVE?
|
| 1: orr <fid>, <fid>, ARM_SMCCC_1_3_SVE_HINT
| 2:
| << SMCCC call using FID >>
This is not safe as-is:
(1) SMCCC calls can be made in a preemptible context and preemption can
result in TIF_FOREIGN_FPSTATE being set or cleared at arbitrary
points in time. Thus checking for TIF_FOREIGN_FPSTATE provides no
guarantee.
(2) TIF_FOREIGN_FPSTATE only indicates that the live FP/SVE/SME state in
the CPU does not belong to the current task, and does not indicate
that clobbering this state is acceptable.
When the live CPU state is clobbered it is necessary to update
fpsimd_last_state.st to ensure that a subsequent context switch will
reload FP/SVE/SME state from memory rather than consuming the
clobbered state. This and the SMCCC call itself must happen in a
critical section with preemption disabled to avoid races.
(3) Live SVE/SME state can exist with TIF_SVE clear (e.g. with only
TIF_SME set), and checking TIF_SVE alone is insufficient.
Remove the broken support for the SMCCCv1.3 SVE saving hint. This is
effectively a revert of commits:
*
|
||
|
Linus Torvalds
|
ff7afaeca1 |
More NFS Client Bugfixes for Linux 6.12-rc
Stable Fixes:
* Fix KMSAN warning in decode_getfattr_attrs()
Other Bugfixes:
* Handle -ENOTCONN in xs_tcp_setup_socked()
* NFSv3: only use NFS timeout for MOUNT when protocols are compatible
* Fix attribute delegation behavior on exclusive create and a/mtime changes
* Fix localio to cope with racing nfs_local_probe()
* Avoid i_lock contention in fs_clear_invalid_mapping()
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Merge tag 'nfs-for-6.12-3' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"These are mostly fixes that came up during the nfs bakeathon the other
week.
Stable Fixes:
- Fix KMSAN warning in decode_getfattr_attrs()
Other Bugfixes:
- Handle -ENOTCONN in xs_tcp_setup_socked()
- NFSv3: only use NFS timeout for MOUNT when protocols are compatible
- Fix attribute delegation behavior on exclusive create and a/mtime
changes
- Fix localio to cope with racing nfs_local_probe()
- Avoid i_lock contention in fs_clear_invalid_mapping()"
* tag 'nfs-for-6.12-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
nfs: avoid i_lock contention in nfs_clear_invalid_mapping
nfs_common: fix localio to cope with racing nfs_local_probe()
NFS: Further fixes to attribute delegation a/mtime changes
NFS: Fix attribute delegation behaviour on exclusive create
nfs: Fix KMSAN warning in decode_getfattr_attrs()
NFSv3: only use NFS timeout for MOUNT when protocols are compatible
sunrpc: handle -ENOTCONN in xs_tcp_setup_socket()
|
||
Mario Limonciello
|
b79276dcac |
ACPI: processor: Move arch_init_invariance_cppc() call later
arch_init_invariance_cppc() is called at the end of acpi_cppc_processor_probe() in order to configure frequency invariance based upon the values from _CPC. This however doesn't work on AMD CPPC shared memory designs that have AMD preferred cores enabled because _CPC needs to be analyzed from all cores to judge if preferred cores are enabled. This issue manifests to users as a warning since commit |
||
Lorenzo Stoakes
|
5baf8b037d |
mm: refactor arch_calc_vm_flag_bits() and arm64 MTE handling
Currently MTE is permitted in two circumstances (desiring to use MTE
having been specified by the VM_MTE flag) - where MAP_ANONYMOUS is
specified, as checked by arch_calc_vm_flag_bits() and actualised by
setting the VM_MTE_ALLOWED flag, or if the file backing the mapping is
shmem, in which case we set VM_MTE_ALLOWED in shmem_mmap() when the mmap
hook is activated in mmap_region().
The function that checks that, if VM_MTE is set, VM_MTE_ALLOWED is also
set is the arm64 implementation of arch_validate_flags().
Unfortunately, we intend to refactor mmap_region() to perform this check
earlier, meaning that in the case of a shmem backing we will not have
invoked shmem_mmap() yet, causing the mapping to fail spuriously.
It is inappropriate to set this architecture-specific flag in general mm
code anyway, so a sensible resolution of this issue is to instead move the
check somewhere else.
We resolve this by setting VM_MTE_ALLOWED much earlier in do_mmap(), via
the arch_calc_vm_flag_bits() call.
This is an appropriate place to do this as we already check for the
MAP_ANONYMOUS case here, and the shmem file case is simply a variant of
the same idea - we permit RAM-backed memory.
This requires a modification to the arch_calc_vm_flag_bits() signature to
pass in a pointer to the struct file associated with the mapping, however
this is not too egregious as this is only used by two architectures anyway
- arm64 and parisc.
So this patch performs this adjustment and removes the unnecessary
assignment of VM_MTE_ALLOWED in shmem_mmap().
[akpm@linux-foundation.org: fix whitespace, per Catalin]
Link: https://lkml.kernel.org/r/ec251b20ba1964fb64cf1607d2ad80c47f3873df.1730224667.git.lorenzo.stoakes@oracle.com
Fixes:
|
||
|
Lorenzo Stoakes
|
0fb4a7ad27 |
mm: refactor map_deny_write_exec()
Refactor the map_deny_write_exec() to not unnecessarily require a VMA
parameter but rather to accept VMA flags parameters, which allows us to
use this function early in mmap_region() in a subsequent commit.
While we're here, we refactor the function to be more readable and add
some additional documentation.
Link: https://lkml.kernel.org/r/6be8bb59cd7c68006ebb006eb9d8dc27104b1f70.1730224667.git.lorenzo.stoakes@oracle.com
Fixes:
|
||
|
Mark Brown
|
a441eff915 |
Soundwire dai link init logic refactor
Merge series from Vijendar Mukunda <Vijendar.Mukunda@amd.com>: This patch series refactors the SoundWire dai link init logic for Intel and AMD generic SoundWire machine driver and also updates the stream_name in dai_links structure. Link: https://github.com/thesofproject/linux/pull/5218 |
||
|
Linus Torvalds
|
2e1b3cc9d7 |
soc: fixes for 6.12, part 2
Where the last set of fixes was mostly drivers, this time the devicetree changes all come at once, targeting mostly the Rockchips, Qualcomm and NXP platforms. The Qualcomm bugfixes target the Snapdragon X Elite laptops, specifically problems with PCIe and NVMe support to improve reliability, and a boot regresion on msm8939. Also for Snapdragon platforms, there are a number of correctness changes in the several platform specific device drivers, but none of these are as impactful. On the NXP i.MX platform, the fixes are all for 64-bit i.MX8 variants, correcting individual entries in the devicetree that were incorrect and causing the media, video, mmc and spi drivers to misbehave in minor ways. The Arm SCMI firmware driver gets fixes for a use-after-free bug and for correctly parsing firmware information. On the RISC-V side, there are three minor devicetree fixes for starfive and sophgo, again addressing only minor mistakes. One device driver patch fixes a problem with spurious interrupt handling. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmcpR7oACgkQYKtH/8kJ Uic9dA/+NzeNald+ap++pYYmIx9FcV3q3aieN4j5NRgAwUS84bNXpARkDQAK8lx8 GFzH7VUe0YwKlh+70P73eaLqsRyYE37eUyvabwnxgO0QnI798MZfM5diDvAFm0LK kQKnNLx0qojt6HQTN3PVfOn+rcp2J5dgUV+ZAG9TEM3YKA0MY/bABRqaZtIZzSxg WwM+jqFh5+EugiioSlL6HCdAVk12wwEJkAInEEY1y/KaeQS9K8vzEOwk4FDeIf2a 3V+G7IVIBI4rbvrAs2ukW3OrRiGT+svINS5k7qkap13YZUUjENnJYGYNm6woTTyb INpBowLKr1gJ1Aluk8AELvpa+aX1BY9rkxP+vTG0HrZVdrPcPToFUBQA4qZgpu/i k0uWb20uN1b2Uor2XP2hcTxvzfKPlvnYHxLTMG89PxoVrMX+oEQoCrAP24YcSkPd srV0aU54MUHANXEnNco0txdElK+8L7ZCyB19KpVnqqshohDpQ+zkX15Hw9uQLwEc RbF99SrR9KFg3sY62Q7LgJOhQ3x6LjGhqPCjejIZ9DvEzndArKYnkkiJYdxxhqkB WN1LB/PmnKPAAh1lJdej6SPhiwCCpEFG3IyS/H1/lv7CR94LVode1J4dYTJmcZaq aownmb4W1zECgMGQS6YjhuAG1h7D0QtSmWBAuiC+H+T2QTRPtKI= =9YYG -----END PGP SIGNATURE----- Merge tag 'arm-fixes-6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC fixes from Arnd Bergmann: "Where the last set of fixes was mostly drivers, this time the devicetree changes all come at once, targeting mostly the Rockchips, Qualcomm and NXP platforms. The Qualcomm bugfixes target the Snapdragon X Elite laptops, specifically problems with PCIe and NVMe support to improve reliability, and a boot regresion on msm8939. Also for Snapdragon platforms, there are a number of correctness changes in the several platform specific device drivers, but none of these are as impactful. On the NXP i.MX platform, the fixes are all for 64-bit i.MX8 variants, correcting individual entries in the devicetree that were incorrect and causing the media, video, mmc and spi drivers to misbehave in minor ways. The Arm SCMI firmware driver gets fixes for a use-after-free bug and for correctly parsing firmware information. On the RISC-V side, there are three minor devicetree fixes for starfive and sophgo, again addressing only minor mistakes. One device driver patch fixes a problem with spurious interrupt handling" * tag 'arm-fixes-6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (63 commits) firmware: arm_scmi: Use vendor string in max-rx-timeout-ms dt-bindings: firmware: arm,scmi: Add missing vendor string riscv: dts: Replace deprecated snps,nr-gpios property for snps,dw-apb-gpio-port devices arm64: dts: rockchip: Correct GPIO polarity on brcm BT nodes arm64: dts: rockchip: Drop invalid clock-names from es8388 codec nodes ARM: dts: rockchip: Fix the realtek audio codec on rk3036-kylin ARM: dts: rockchip: Fix the spi controller on rk3036 ARM: dts: rockchip: drop grf reference from rk3036 hdmi ARM: dts: rockchip: fix rk3036 acodec node arm64: dts: rockchip: remove orphaned pinctrl-names from pinephone pro soc: qcom: pmic_glink: Handle GLINK intent allocation rejections rpmsg: glink: Handle rejected intent request better arm64: dts: qcom: x1e80100: fix PCIe5 interconnect arm64: dts: qcom: x1e80100: fix PCIe4 interconnect arm64: dts: qcom: x1e80100: Fix up BAR spaces MAINTAINERS: invert Misc RISC-V SoC Support's pattern soc: qcom: socinfo: fix revision check in qcom_socinfo_probe() arm64: dts: qcom: x1e80100-qcp: fix nvme regulator boot glitch arm64: dts: qcom: x1e80100-microsoft-romulus: fix nvme regulator boot glitch arm64: dts: qcom: x1e80100-yoga-slim7x: fix nvme regulator boot glitch ... |
||
Mike Snitzer
|
bc29408695 |
nfs_common: fix localio to cope with racing nfs_local_probe()
Fix the possibility of racing nfs_local_probe() resulting in: list_add double add: new=ffff8b99707f9f58, prev=ffff8b99707f9f58, next=ffffffffc0f30000. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:35! Add nfs_uuid_init() to properly initialize all nfs_uuid_t members (particularly its list_head). Switch to returning bool from nfs_uuid_begin(), returns false if nfs_uuid_t is already in-use (its list_head is on a list). Update nfs_local_probe() to return early if the nfs_client's cl_uuid (nfs_uuid_t) is in-use. Also, switch nfs_uuid_begin() from using list_add_tail_rcu() to list_add_tail() -- rculist was used in an earlier version of the localio code that had a lockless nfs_uuid_lookup interface. Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com> |
||
Arnd Bergmann
|
bbfbb57958 |
Qualcomm driver fixes for v6.12
The Qualcomm EDAC driver's configuration of interrupts is made optional, to avoid violating security constriants on X Elite platform . The SCM drivers' detection mechanism for the presence of SHM bridge in QTEE, is corrected to handle the case where firmware successfully returns that the interface isn't supported. The GLINK driver and the PMIC GLINK interface is updated to handle buffer allocation issues during initialization of the communication channel. Allocation error handling in the socinfo dirver is corrected, and then the fix is corrected. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmck/kgVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FqV8QAMEYiZp4KnS6QkT4h47ET/dl3AiY EIyUge41uXjJYO4rK2JpYWi2Y30CXXwb0MRuhfZyI47mU2xYqP30hLEliqZLQqU3 ulc4hmVyPeelRtpSX36UyZQWcaTcr0IyWnhnPSPoIr/WuyvFojBVucnAzHGFYHw6 0Wl0Uwg0vaoptAXnAxC671ggkbXeUuxR1sOMnVAzAL9sUgZMAjDHg+Yc/Oz0i7KZ 16OcOPFWhN+PegrIAPKx5J3X9PUsEoPqE83y3DdRVv62c58RU5tfhrhEIhmo3DVn ruTbrf1vV6cE1iWfGQIxyVt0WJGnY/dZqQjQxinZF0U9dlJl5+ke9ZTsaRxF0s0J wejMDOoqtRbNeotLxhQAp0KbPbcUHg8kkUrYMiTZLMh4eNIEBi4yLT8KhDT7IUgT SEP6jK4z482xpaTrDf5hDmnIMSfAO9fC50QiUMc8eNGL84XYIJgcYfi+LAP7TSiV wP6PI1moQcSvq034csy4AfHlsULxMdqzqh86N4DSdkoa/om2JRiYIXfTkZOteOEg GR4gPYigdBV8X4jj4XDiRbk+hbf+bbc6qet0HKvBPjYcKyvpH+SEVMsuxzAO8ybP RjP5pDrOSb7mLlx/q8RBUwyuVWk6gtDhL6tgvwfP+qu+dxTcHgRSqAi5BQfOWMvf 2K4QO3/0tYunyqaf =H31v -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmcoyr0ACgkQYKtH/8kJ UiebJA/+OwoABEZcspBT92CnlAaIgIITx0znuO9srUcaiNxOTrZH2+T6z+sKHvOV bfhj0JZyK0Qk6sxU9PoczIXb2Xc42lemkZwL6TfDjQlOI10mvfTOgnIFPldG1RIp FcFjI3Tb6SKqh9GxDm5qLdxFn8ZoGKTLtUpP3FuV6lQNpiS7jLJILSNFXbVVMnk/ U2HY76YQ8u2DPk5ZXmjrw49NRDvQ22ufwxJJctE0fvVyr+AUhTFBHH9h6fo3RxbC 4IMCmEfVLnJ+ye9CqB4ahkcbu4gwzzU0eRpMb7mZ2GhufuCjgfBYA4U2XZhdEv0w 9GenVlPr0Hs1dtpUBxvfNf0kJ2uyti4UGkW7gn8+m/sl73bMVIGPX72rxdk3vbir yztmdl3Nya0Nh9fPJxwP4BT6JsMshsz0POzvIOqeRTUw9yKD+wIQg9a+cwWWqdlu jNvBGprW7MS03uQWIWYTGkjqDsStZVJaFO//PHx+ZZ0eY/H2Lminf3GL2tsAYUtE pIVsS4NUcCygEELb7cEbi+S9EMkgQZPd71VAex9bjKNquBs60fSU1GZr3oOuHluv 2XI2O+FPwdTH+yAXzqRlCj5Rczum0joa9q2lHW7hs/h7AKVSNCfzj+0YjDFIhu2E BnS0nbwm5axYm7vsnfA4O4QkE6AtGlRpmVfiumLg/Vif8KsA3N8= =2qZ7 -----END PGP SIGNATURE----- Merge tag 'qcom-drivers-fixes-for-6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes Qualcomm driver fixes for v6.12 The Qualcomm EDAC driver's configuration of interrupts is made optional, to avoid violating security constriants on X Elite platform . The SCM drivers' detection mechanism for the presence of SHM bridge in QTEE, is corrected to handle the case where firmware successfully returns that the interface isn't supported. The GLINK driver and the PMIC GLINK interface is updated to handle buffer allocation issues during initialization of the communication channel. Allocation error handling in the socinfo dirver is corrected, and then the fix is corrected. * tag 'qcom-drivers-fixes-for-6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: soc: qcom: pmic_glink: Handle GLINK intent allocation rejections rpmsg: glink: Handle rejected intent request better soc: qcom: socinfo: fix revision check in qcom_socinfo_probe() firmware: qcom: scm: Return -EOPNOTSUPP for unsupported SHM bridge enabling EDAC/qcom: Make irq configuration optional firmware: qcom: scm: fix a NULL-pointer dereference firmware: qcom: scm: suppress download mode error soc: qcom: Add check devm_kasprintf() returned value MAINTAINERS: Qualcomm SoC: Match reserved-memory bindings Link: https://lore.kernel.org/r/20241101161455.746290-1-andersson@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
|
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
|
||
|
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:
|
||
|
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:
|
||
|
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. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCZycQwgAKCRBAj56VGEWX nFgtAQDxuWplL+cwA5f3g+/Rq38faHBY5ebmsC9G/QnBZs4hTQD/dL04tU9NwvNq GYw4MYRNaDIeY8vyq21Y+dQe0uL0rAM= =xAeU -----END PGP SIGNATURE----- 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 |
||
|
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. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmcnT/oTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoZw5D/0bqjjMYiE0ws8nuuXN1gL2T1wt6P2C 2zzEKnk6nsxnGbMfFs7XifDkqSOHNVro7F6kCkz6cH4U/VSK6R2nNONbufz4mNWk 6uDvdlZps30ekmxN+C3fB6S/4MNVOhXFFXjsQhT/PxX/CfibVP5fATLtcRLq9Lfx mV3nnxKTHPjDGz2/2QRyYpA3G1fzOj/l2QeJsVAIC8GxCo7drLVe0yn5Yt+13zhU JMjgt9ox4PKFsjaXrqvt1yKNTtb+evjYSIVXxIg60oxUkfva6XFLXJv3rjbARUNj aqBHfkZ1/d2Hwc0WexDZfvhNWeCqnfUA+db7ALSYICbNd37EVxWVZA2TwfkkWKSt RDq3xX6NJSd71h0lxDvzv7Ph3NUq23rq3LycAkjqfhiFjPQmE6axtnioXcR5mtVp q9tilB/3I4zj4BIYPfd9KowkdclRSK+B3Oo0DTyuVhKLggF0UD3poDxT4HxnBCFB uKDV8GDsoD8Ksjsl0/X/D4oorqLYAT0tG9gxMw1Kii16gijhhu5qeqTWY+qs9ieg 2J+Ku83QLQgljvy2s7y0AnMZMxaeKN5YMs6zNV+yGAoTFyft3CnBMKalPHfOCI0A fdKHi2aKm+lLrp/UIG2Yw9N1xfcrGWA2moH+9dw6zTyAei+TInP+WYndI7VR5EDf 3KvW3OoRf0sywA== =83r/ -----END PGP SIGNATURE----- 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 |
||
Dmitry Torokhov
|
071b24b54d |
Input: fix regression when re-registering input handlers
Commit |
||
|
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 -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmclJX4ACgkQDHTzWXnE hr7rEw/9E+zpgUW52ThBDpdE4A2O0qdSUd8LtQJbkgx+Us85Hv2p9e+HOhQqrKMj 9O4pwh47oI4vbk3uL68EQTkmmqBUbLNRhfTnps/kVPiMQLklzl3cUw7Jdq2/1E0r Nyh+kJFsHXFcHwB2lB2Cy+ATT8Vw28WlWni7y3hZZvzCrbOVSN16bXmTbjQ/vQYR TSIwJF9P9h+P96JMBXdGhZx3eyiMOqd5EfeLcR9fKRdQsY4ZVk+9Q5CKS/pyKfXP A9e+MHrHf7fSlFT3zptXZ9l4CLo6QGxGppYy79h8hp1oLPFmm1jnWFfDPdFSa/qm +ZTPncf0fz5m4YmJZFTcS+69ITQDjON6FBOu3fnoGuLG8+31/G+/1+uvrNxOID0T zbRcJCPPtdSpDRWsl5+29HviHTvhniM+zYZIaYl1LrCDxMAqoUjAB3dRZKgKHXmF KW7kILXe33m82X7V+jVuELp4m4Q062CIa5tTvDDJ3iPRFKc4HAIioD33g1DPLRPy +A1iwvC0EoghID6eTxVnncQO1snlgXeS4begUtx2E/LkkIH3TbtStM5aaz7tHgNT LTTk2YsGr+5JQQ8N1ci1clZUfSD9xgFlDwobUBGMg2Lo+tVEKhHp8c1Q3quCt214 7PMmNOQXr243vmcs7gvl19pfy0HZRBdISabRazFYCYhiwCsvZQE= =U58l -----END PGP SIGNATURE----- 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() ... |
||
|
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 -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQSgX9xt+GwmrJEQ+euebuN7TNx1MQUCZyUaZhQcaXJhLndlaW55 QGludGVsLmNvbQAKCRCebuN7TNx1MRHmAP40P0fHjUxtA3FxxPiJLOouUUEfMzyr z2hstFw6gh1CNgEA4a4cOyDSe41ptqGFRIHfPeay7l8MdYtFV3iiYeDPnAA= =awb7 -----END PGP SIGNATURE----- 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 |
||
|
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). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmclHlESHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxkasQAKKLQlbVhzb/JZvd56VpJH6Ma0ImuXvX uyqhO3gjiCdSx1pxLakaBXM4J887Mtsx5hfy7WrsbUEkEUJqkrwScJee4zjcCH2k tWai3Q7YJsqDg4/7Pq8T9uFNEue9ZvWAOuQ/wV8kBPSIuQKCQ59d83eosQyOnSYE Avaa78URdnszOXmn3a9chzIUD4HWCmF+/v1D+Bw/HR1vqrdoBnlaRfq9PUsWSjUe 91CP0HI5I6brKipJgjxv/joxXqKCmvnSkBnD+sk8OyR9kASk8j1TKn1YZDoiNY0x bQI5NlOVm+Sx1RTMQCDY1y2EsmIvVYtxHTkPm87dy/q6xyXkwAKBXkfaogsn7fgb IbHQrpWnenQP/M49Iqwq0BVelX9jVaWPLtCMYA9nsrYsgUlCH/0rlQ9rcKcP0uhn qIbkUt40AyrYmVFon2D+upa7ccqFpfVX/9LljwFujxSwNVGA0tAl52GTQ6+jLWfE bOOq8dIJdra03T1IDpmgq/GK3RlYHDZVt/QsaZ2SYBZgh9wl4A65tX97++tsP0Re ytZES41uPqmuN4gmR+/T6RL3tb/c7N/7R5Zk/o51kFMFP0DCuOP6GO7JLPAgkRj+ e/6zq+eaIcSuDzYCfzh66zlcOexj4EucjImKe/AC1VJSF5qgK98QJlAqn1jbfonk 09ErkHWNwjNl =vxLs -----END PGP SIGNATURE----- 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 |
||
|
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
|
||
|
Linus Torvalds
|
17fa6a5f93 |
vfs-6.12-rc6.iomap
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZyTGVAAKCRCRxhvAZXjc oltEAP9r8cWa3Tdv8DzMNWu/jezTUXoW/mX5Qe+c1L6faqj0WQD/dIVtBtG37Tfq 3Ci9F/GEWjKijtCQ5lwMGUq27jQJ1gk= =/0iA -----END PGP SIGNATURE----- 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 |
||
|
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()
|
||
|
Kuninori Morimoto
|
8b12da9a18 |
ASoC: cleanup function parameter for rtd and its id
some functions had parameter like below xxx(..., rtd, ..., id); This "id" is rtd->id. We don't need to have "id" on each functions because we can get it from "rtd". Let's cleanup it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://patch.msgid.link/87plnqb84p.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> |
||
|
Kuninori Morimoto
|
c59db5ed23 |
ASoC: remove rtd->num
No one is using rtd->num. Let's remove it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://patch.msgid.link/87sesmb852.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> |
||
|
Kuninori Morimoto
|
40e47e2db6 |
ASoC: rename rtd->num to rtd->id
Current rtd has "num". It sounds/looks like size of rtd or something, but it will be mainly used at snd_pcm_new() as "device index". This naming is confusable. Let's rename it to "id" Some drivers are using rtd->num, so let's keep it so far, and remove it if all user was switched. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://patch.msgid.link/87zfmub85z.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> |
||
Vijendar Mukunda
|
485df22866 |
ASoC: sdw_utils/intel/amd: refactor dai link init logic
Add 'no_pcm' as parameter for asoc_sdw_init_dai_link() so that same function can be used for SOF and legacy(No DSP) stack. Pass 'no_pcm' as 1 for Intel and AMD SOF based machine drivers. Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://patch.msgid.link/20241101020802.1103181-2-Vijendar.Mukunda@amd.com Signed-off-by: Mark Brown <broonie@kernel.org> |
||
|
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> -----BEGIN PGP SIGNATURE----- iIsEABYIADMWIQTFp0I1jqZrAX+hPRXbK58LschIgwUCZyQO/RUcZGFuaWVsQGlv Z2VhcmJveC5uZXQACgkQ2yufC7HISIO2vAD+NAng11x6W9tnIOVDHTwvsWL4aafQ pmf1zda90bwCIyIA/07ptFPWOH+WTmWqP8pZ9PGY5279KAxurZZDud0SOwIO =28aY -----END PGP SIGNATURE----- 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() |
||
|
Linus Torvalds
|
90602c251c |
Including fixes from WiFi, bluetooth and netfilter.
No known new regressions outstanding.
Current release - regressions:
- wifi: mt76: do not increase mcu skb refcount if retry is not supported
Current release - new code bugs:
- wifi:
- rtw88: fix the RX aggregation in USB 3 mode
- mac80211: fix memory corruption bug in struct ieee80211_chanctx
Previous releases - regressions:
- sched:
- stop qdisc_tree_reduce_backlog on TC_H_ROOT
- sch_api: fix xa_insert() error path in tcf_block_get_ext()
- wifi:
- revert "wifi: iwlwifi: remove retry loops in start"
- cfg80211: clear wdev->cqm_config pointer on free
- netfilter: fix potential crash in nf_send_reset6()
- ip_tunnel: fix suspicious RCU usage warning in ip_tunnel_find()
- bluetooth: fix null-ptr-deref in hci_read_supported_codecs
- eth: mlxsw: add missing verification before pushing Tx header
- eth: hns3: fixed hclge_fetch_pf_reg accesses bar space out of bounds issue
Previous releases - always broken:
- wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower
- netfilter: sanitize offset and length before calling skb_checksum()
- core:
- fix crash when config small gso_max_size/gso_ipv4_max_size
- skip offload for NETIF_F_IPV6_CSUM if ipv6 header contains extension
- mptcp: protect sched with rcu_read_lock
- eth: ice: fix crash on probe for DPLL enabled E810 LOM
- eth: macsec: fix use-after-free while sending the offloading packet
- eth: stmmac: fix unbalanced DMA map/unmap for non-paged SKB data
- eth: hns3: fix kernel crash when 1588 is sent on HIP08 devices
- eth: mtk_wed: fix path of MT7988 WO firmware
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from WiFi, bluetooth and netfilter.
No known new regressions outstanding.
Current release - regressions:
- wifi: mt76: do not increase mcu skb refcount if retry is not
supported
Current release - new code bugs:
- wifi:
- rtw88: fix the RX aggregation in USB 3 mode
- mac80211: fix memory corruption bug in struct ieee80211_chanctx
Previous releases - regressions:
- sched:
- stop qdisc_tree_reduce_backlog on TC_H_ROOT
- sch_api: fix xa_insert() error path in tcf_block_get_ext()
- wifi:
- revert "wifi: iwlwifi: remove retry loops in start"
- cfg80211: clear wdev->cqm_config pointer on free
- netfilter: fix potential crash in nf_send_reset6()
- ip_tunnel: fix suspicious RCU usage warning in ip_tunnel_find()
- bluetooth: fix null-ptr-deref in hci_read_supported_codecs
- eth: mlxsw: add missing verification before pushing Tx header
- eth: hns3: fixed hclge_fetch_pf_reg accesses bar space out of
bounds issue
Previous releases - always broken:
- wifi: mac80211: do not pass a stopped vif to the driver in
.get_txpower
- netfilter: sanitize offset and length before calling skb_checksum()
- core:
- fix crash when config small gso_max_size/gso_ipv4_max_size
- skip offload for NETIF_F_IPV6_CSUM if ipv6 header contains extension
- mptcp: protect sched with rcu_read_lock
- eth: ice: fix crash on probe for DPLL enabled E810 LOM
- eth: macsec: fix use-after-free while sending the offloading packet
- eth: stmmac: fix unbalanced DMA map/unmap for non-paged SKB data
- eth: hns3: fix kernel crash when 1588 is sent on HIP08 devices
- eth: mtk_wed: fix path of MT7988 WO firmware"
* tag 'net-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (70 commits)
net: hns3: fix kernel crash when 1588 is sent on HIP08 devices
net: hns3: fixed hclge_fetch_pf_reg accesses bar space out of bounds issue
net: hns3: initialize reset_timer before hclgevf_misc_irq_init()
net: hns3: don't auto enable misc vector
net: hns3: Resolved the issue that the debugfs query result is inconsistent.
net: hns3: fix missing features due to dev->features configuration too early
net: hns3: fixed reset failure issues caused by the incorrect reset type
net: hns3: add sync command to sync io-pgtable
net: hns3: default enable tx bounce buffer when smmu enabled
netfilter: nft_payload: sanitize offset and length before calling skb_checksum()
net: ethernet: mtk_wed: fix path of MT7988 WO firmware
selftests: forwarding: Add IPv6 GRE remote change tests
mlxsw: spectrum_ipip: Fix memory leak when changing remote IPv6 address
mlxsw: pci: Sync Rx buffers for device
mlxsw: pci: Sync Rx buffers for CPU
mlxsw: spectrum_ptp: Add missing verification before pushing Tx header
net: skip offload for NETIF_F_IPV6_CSUM if ipv6 header contains extension
Bluetooth: hci: fix null-ptr-deref in hci_read_supported_codecs
netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()
netfilter: Fix use-after-free in get_info()
...
|
||
Dave Airlie
|
989c5b9051 |
Short summary of fixes pull:
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() -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEchf7rIzpz2NEoWjlaA3BHVMLeiMFAmcjl28ACgkQaA3BHVML eiMePgf/aO8pHJDeUzDzbQ4FnT38RRlwpBCG6Z8BYBHU7QsSfrZ8f99quHArK9Pq DwSWkb44YgEETaerfXO4QizhmVFVcM9CnDKJzLg598dqfo9mAXu3mnXS8UKnEA43 wz9KAkdkl7P+fsGfvYK8iN/rSeHISQvh2XU5XF/tp7UNtc0HHwfvK/+MC+rkPo/z cwOErNUXEQFfW0f0Y5g2bvcIB5xykdY7JOtHVbVe6Y0fuw66wuznE/vexYSbgoE+ taJhQTNuz6E8rWKyNUR4PLvggYj5MU57uk94dWx34AFXKDS6TBiZph1auQctXldu 6caGwJkcIsCmCy0n+iWoiNahH10NRA== =m9+F -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2024-10-31' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes Short summary of fixes pull: 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() Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20241031144348.GA7826@linux-2.fritz.box |
||
Jinjie Ruan
|
caa714f866 |
drm/tests: helpers: Add helper for drm_display_mode_from_cea_vic()
As Maxime suggested, add a new helper drm_kunit_display_mode_from_cea_vic(), it can replace the direct call of drm_display_mode_from_cea_vic(), and it will help solving the `mode` memory leaks. Acked-by: Maxime Ripard <mripard@kernel.org> Suggested-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241030023504.530425-2-ruanjinjie@huawei.com Signed-off-by: Maxime Ripard <mripard@kernel.org> |
||
|
Yu Zhao
|
9d08ec41a0 |
mm: allow set/clear page_type again
Some page flags (page->flags) were converted to page types
(page->page_types). A recent example is PG_hugetlb.
From the exclusive writer's perspective, e.g., a thread doing
__folio_set_hugetlb(), there is a difference between the page flag and
type APIs: the former allows the same non-atomic operation to be repeated
whereas the latter does not. For example, calling __folio_set_hugetlb()
twice triggers VM_BUG_ON_FOLIO(), since the second call expects the type
(PG_hugetlb) not to be set previously.
Using add_hugetlb_folio() as an example, it calls __folio_set_hugetlb() in
the following error-handling path. And when that happens, it triggers the
aforementioned VM_BUG_ON_FOLIO().
if (folio_test_hugetlb(folio)) {
rc = hugetlb_vmemmap_restore_folio(h, folio);
if (rc) {
spin_lock_irq(&hugetlb_lock);
add_hugetlb_folio(h, folio, false);
...
It is possible to make hugeTLB comply with the new requirements from the
page type API. However, a straightforward fix would be to just allow the
same page type to be set or cleared again inside the API, to avoid any
changes to its callers.
Link: https://lkml.kernel.org/r/20241020042212.296781-1-yuzhao@google.com
Fixes:
|
||
Kairui Song
|
5168a68eb7 |
mm, swap: avoid over reclaim of full clusters
When running low on usable slots, cluster allocator will try to reclaim
the full clusters aggressively to reclaim HAS_CACHE slots. This
guarantees that as long as there are any usable slots, HAS_CACHE or not,
the swap device will be usable and workload won't go OOM early.
Before the cluster allocator, swap allocator fails easily if device is
filled up with reclaimable HAS_CACHE slots. Which can be easily
reproduced with following simple program:
#include <stdio.h>
#include <string.h>
#include <linux/mman.h>
#include <sys/mman.h>
#define SIZE 8192UL * 1024UL * 1024UL
int main(int argc, char **argv) {
long tmp;
char *p = mmap(NULL, SIZE, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
memset(p, 0, SIZE);
madvise(p, SIZE, MADV_PAGEOUT);
for (unsigned long i = 0; i < SIZE; ++i)
tmp += p[i];
getchar(); /* Pause */
return 0;
}
Setup an 8G non ramdisk swap, the first run of the program will swapout 8G
ram successfully. But run same program again after the first run paused,
the second run can't swapout all 8G memory as now half of the swap device
is pinned by HAS_CACHE. There was a random scan in the old allocator that
may reclaim part of the HAS_CACHE by luck, but it's unreliable.
The new allocator's added reclaim of full clusters when device is low on
usable slots. But when multiple CPUs are seeing the device is low on
usable slots at the same time, they ran into a thundering herd problem.
This is an observable problem on large machine with mass parallel
workload, as full cluster reclaim is slower on large swap device and
higher number of CPUs will also make things worse.
Testing using a 128G ZRAM on a 48c96t system. When the swap device is
very close to full (eg. 124G / 128G), running build linux kernel with
make -j96 in a 1G memory cgroup will hung (not a softlockup though)
spinning in full cluster reclaim for about ~5min before go OOM.
To solve this, split the full reclaim into two parts:
- Instead of do a synchronous aggressively reclaim when device is low,
do only one aggressively reclaim when device is strictly full with a
kworker. This still ensures in worst case the device won't be unusable
because of HAS_CACHE slots.
- To avoid allocation (especially higher order) suffer from HAS_CACHE
filling up clusters and kworker not responsive enough, do one synchronous
scan every time the free list is drained, and only scan one cluster. This
is kind of similar to the random reclaim before, keeps the full clusters
rotated and has a minimal latency. This should provide a fair reclaim
strategy suitable for most workloads.
Link: https://lkml.kernel.org/r/20241022175512.10398-1-ryncsn@gmail.com
Fixes:
|
||
Hao Ge
|
f4657e16e7 |
mm/codetag: fix null pointer check logic for ref and tag
When we compile and load lib/slub_kunit.c,it will cause a panic.
The root cause is that __kmalloc_cache_noprof was directly called instead
of kmem_cache_alloc,which resulted in no alloc_tag being allocated.This
caused current->alloc_tag to be null,leading to a null pointer dereference
in alloc_tag_ref_set.
Despite the fact that my colleague Pei Xiao will later fix the code in
slub_kunit.c,we still need fix null pointer check logic for ref and tag to
avoid panic caused by a null pointer dereference.
Here is the log for the panic:
[ 74.779373][ T2158] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020
[ 74.780130][ T2158] Mem abort info:
[ 74.780406][ T2158] ESR = 0x0000000096000004
[ 74.780756][ T2158] EC = 0x25: DABT (current EL), IL = 32 bits
[ 74.781225][ T2158] SET = 0, FnV = 0
[ 74.781529][ T2158] EA = 0, S1PTW = 0
[ 74.781836][ T2158] FSC = 0x04: level 0 translation fault
[ 74.782288][ T2158] Data abort info:
[ 74.782577][ T2158] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
[ 74.783068][ T2158] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 74.783533][ T2158] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 74.784010][ T2158] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000105f34000
[ 74.784586][ T2158] [0000000000000020] pgd=0000000000000000, p4d=0000000000000000
[ 74.785293][ T2158] Internal error: Oops: 0000000096000004 [#1] SMP
[ 74.785805][ T2158] Modules linked in: slub_kunit kunit ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle 4
[ 74.790661][ T2158] CPU: 0 UID: 0 PID: 2158 Comm: kunit_try_catch Kdump: loaded Tainted: G W N 6.12.0-rc3+ #2
[ 74.791535][ T2158] Tainted: [W]=WARN, [N]=TEST
[ 74.791889][ T2158] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
[ 74.792479][ T2158] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 74.793101][ T2158] pc : alloc_tagging_slab_alloc_hook+0x120/0x270
[ 74.793607][ T2158] lr : alloc_tagging_slab_alloc_hook+0x120/0x270
[ 74.794095][ T2158] sp : ffff800084d33cd0
[ 74.794418][ T2158] x29: ffff800084d33cd0 x28: 0000000000000000 x27: 0000000000000000
[ 74.795095][ T2158] x26: 0000000000000000 x25: 0000000000000012 x24: ffff80007b30e314
[ 74.795822][ T2158] x23: ffff000390ff6f10 x22: 0000000000000000 x21: 0000000000000088
[ 74.796555][ T2158] x20: ffff000390285840 x19: fffffd7fc3ef7830 x18: ffffffffffffffff
[ 74.797283][ T2158] x17: ffff8000800e63b4 x16: ffff80007b33afc4 x15: ffff800081654c00
[ 74.798011][ T2158] x14: 0000000000000000 x13: 205d383531325420 x12: 5b5d383734363537
[ 74.798744][ T2158] x11: ffff800084d337e0 x10: 000000000000005d x9 : 00000000ffffffd0
[ 74.799476][ T2158] x8 : 7f7f7f7f7f7f7f7f x7 : ffff80008219d188 x6 : c0000000ffff7fff
[ 74.800206][ T2158] x5 : ffff0003fdbc9208 x4 : ffff800081edd188 x3 : 0000000000000001
[ 74.800932][ T2158] x2 : 0beaa6dee1ac5a00 x1 : 0beaa6dee1ac5a00 x0 : ffff80037c2cb000
[ 74.801656][ T2158] Call trace:
[ 74.801954][ T2158] alloc_tagging_slab_alloc_hook+0x120/0x270
[ 74.802494][ T2158] __kmalloc_cache_noprof+0x148/0x33c
[ 74.802976][ T2158] test_kmalloc_redzone_access+0x4c/0x104 [slub_kunit]
[ 74.803607][ T2158] kunit_try_run_case+0x70/0x17c [kunit]
[ 74.804124][ T2158] kunit_generic_run_threadfn_adapter+0x2c/0x4c [kunit]
[ 74.804768][ T2158] kthread+0x10c/0x118
[ 74.805141][ T2158] ret_from_fork+0x10/0x20
[ 74.805540][ T2158] Code: b9400a80 11000400 b9000a80 97ffd858 (f94012d3)
[ 74.806176][ T2158] SMP: stopping secondary CPUs
[ 74.808130][ T2158] Starting crashdump kernel...
Link: https://lkml.kernel.org/r/20241020070819.307944-1-hao.ge@linux.dev
Fixes:
|
||
|
Linus Torvalds
|
0fc810ae3a |
x86/uaccess: Avoid barrier_nospec() in 64-bit copy_from_user()
The barrier_nospec() in 64-bit copy_from_user() is slow. Instead use pointer masking to force the user pointer to all 1's for an invalid address. The kernel test robot reports a 2.6% improvement in the per_thread_ops benchmark [1]. This is a variation on a patch originally by Josh Poimboeuf [2]. Link: https://lore.kernel.org/202410281344.d02c72a2-oliver.sang@intel.com [1] Link: https://lore.kernel.org/5b887fe4c580214900e21f6c61095adf9a142735.1730166635.git.jpoimboe@kernel.org [2] Tested-and-reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Hou Tao
|
62a898b07b |
bpf: Add bpf_mem_alloc_check_size() helper
Introduce bpf_mem_alloc_check_size() to check whether the allocation size exceeds the limitation for the kmalloc-equivalent allocator. The upper limit for percpu allocation is LLIST_NODE_SZ bytes larger than non-percpu allocation, so a percpu argument is added to the helper. The helper will be used in the following patch to check whether the size parameter passed to bpf_mem_alloc() is too big. Signed-off-by: Hou Tao <houtao1@huawei.com> Link: https://lore.kernel.org/r/20241030100516.3633640-3-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
Ido Schimmel
|
ad4a3ca6a8 |
ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()
There are code paths from which the function is called without holding
the RCU read lock, resulting in a suspicious RCU usage warning [1].
Fix by using l3mdev_master_upper_ifindex_by_index() which will acquire
the RCU read lock before calling
l3mdev_master_upper_ifindex_by_index_rcu().
[1]
WARNING: suspicious RCU usage
6.12.0-rc3-custom-gac8f72681cf2 #141 Not tainted
-----------------------------
net/core/dev.c:876 RCU-list traversed in non-reader section!!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by ip/361:
#0: ffffffff86fc7cb0 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x377/0xf60
stack backtrace:
CPU: 3 UID: 0 PID: 361 Comm: ip Not tainted 6.12.0-rc3-custom-gac8f72681cf2 #141
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Call Trace:
<TASK>
dump_stack_lvl+0xba/0x110
lockdep_rcu_suspicious.cold+0x4f/0xd6
dev_get_by_index_rcu+0x1d3/0x210
l3mdev_master_upper_ifindex_by_index_rcu+0x2b/0xf0
ip_tunnel_bind_dev+0x72f/0xa00
ip_tunnel_newlink+0x368/0x7a0
ipgre_newlink+0x14c/0x170
__rtnl_newlink+0x1173/0x19c0
rtnl_newlink+0x6c/0xa0
rtnetlink_rcv_msg+0x3cc/0xf60
netlink_rcv_skb+0x171/0x450
netlink_unicast+0x539/0x7f0
netlink_sendmsg+0x8c1/0xd80
____sys_sendmsg+0x8f9/0xc20
___sys_sendmsg+0x197/0x1e0
__sys_sendmsg+0x122/0x1f0
do_syscall_64+0xbb/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Fixes:
|
||
Nuno Sa
|
71743cbe28 |
ASoC: codecs: adau1373: drop patform_data
struct adau1373_platform_data" was not being used by any platform. Hence, drop it and move to firmware based support. All the configurations quirks present in the platform_data are now supported as firmware properties. Signed-off-by: Nuno Sa <nuno.sa@analog.com> Link: https://patch.msgid.link/20241028-adau1373-shutdown-v2-3-647f56bbd182@analog.com Signed-off-by: Mark Brown <broonie@kernel.org> |
||
Pierre Gondois
|
1c10941e34 |
ACPI: CPPC: Make rmw_lock a raw_spin_lock
The following BUG was triggered:
=============================
[ BUG: Invalid wait context ]
6.12.0-rc2-XXX #406 Not tainted
-----------------------------
kworker/1:1/62 is trying to lock:
ffffff8801593030 (&cpc_ptr->rmw_lock){+.+.}-{3:3}, at: cpc_write+0xcc/0x370
other info that might help us debug this:
context-{5:5}
2 locks held by kworker/1:1/62:
#0: ffffff897ef5ec98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x50
#1: ffffff880154e238 (&sg_policy->update_lock){....}-{2:2}, at: sugov_update_shared+0x3c/0x280
stack backtrace:
CPU: 1 UID: 0 PID: 62 Comm: kworker/1:1 Not tainted 6.12.0-rc2-g9654bd3e8806 #406
Workqueue: 0x0 (events)
Call trace:
dump_backtrace+0xa4/0x130
show_stack+0x20/0x38
dump_stack_lvl+0x90/0xd0
dump_stack+0x18/0x28
__lock_acquire+0x480/0x1ad8
lock_acquire+0x114/0x310
_raw_spin_lock+0x50/0x70
cpc_write+0xcc/0x370
cppc_set_perf+0xa0/0x3a8
cppc_cpufreq_fast_switch+0x40/0xc0
cpufreq_driver_fast_switch+0x4c/0x218
sugov_update_shared+0x234/0x280
update_load_avg+0x6ec/0x7b8
dequeue_entities+0x108/0x830
dequeue_task_fair+0x58/0x408
__schedule+0x4f0/0x1070
schedule+0x54/0x130
worker_thread+0xc0/0x2e8
kthread+0x130/0x148
ret_from_fork+0x10/0x20
sugov_update_shared() locks a raw_spinlock while cpc_write() locks a
spinlock.
To have a correct wait-type order, update rmw_lock to a raw spinlock and
ensure that interrupts will be disabled on the CPU holding it.
Fixes:
|
||
|
Lorenzo Stoakes
|
985da552a9 |
fork: only invoke khugepaged, ksm hooks if no error
There is no reason to invoke these hooks early against an mm that is in an incomplete state. The change in commit |