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ac9c34d1e4
1336478 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
ac9c34d1e4 |
RDMA v6.14 first rc pull request
- Fix a mlx5 malfunction if the UMR QP gets an error - Return the correct port number to userspace for a mlx5 DCT - Don't cause a UMR QP error if DMABUF teardown races with invalidation - Fix a WARN splat when unregisering so mlx5 device memory MR types - Use the correct alignment for the mana doorbell so that two processes do not share the same physical page on non-4k page systems - MAINTAINERS updates for MANA - Retry failed HNS FW commands because some can take a long time - Cast void * handle to the correct type in bnxt to fix corruption - Avoid a NULL pointer crash in bnxt_re - Fix skipped ib_device_unregsiter() for bnxt_re due to some earlier rework - Correctly detect if the bnxt supports extended statistics - Fix refcount leak in mlx5 odp introduced by a previous fix - Map the FW result for the port rate to the userspace values properly in mlx5, returns correct values for newer 800G ports - Don't wrongly destroy counters objects that were not automatically created during mlx5 bind qp - Set page size/shift members of kernel owned SRQs to fix a crash in nvme target -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRRRCHOFoQz/8F5bUaFwuHvBreFYQUCZ74TmQAKCRCFwuHvBreF YUZlAP9I+nRSRgS/1ggDate0uEQfaIZYMSdp06Xsr/eMgCmS3QEA5nmlA2FblulK Y5O7HR1M3ZBAaNXJd5+7zxf2wopt7AM= =XafX -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma Pull rdma fixes from Jason Gunthorpe: - Fix a mlx5 malfunction if the UMR QP gets an error - Return the correct port number to userspace for a mlx5 DCT - Don't cause a UMR QP error if DMABUF teardown races with invalidation - Fix a WARN splat when unregisering so mlx5 device memory MR types - Use the correct alignment for the mana doorbell so that two processes do not share the same physical page on non-4k page systems - MAINTAINERS updates for MANA - Retry failed HNS FW commands because some can take a long time - Cast void * handle to the correct type in bnxt to fix corruption - Avoid a NULL pointer crash in bnxt_re - Fix skipped ib_device_unregsiter() for bnxt_re due to some earlier rework - Correctly detect if the bnxt supports extended statistics - Fix refcount leak in mlx5 odp introduced by a previous fix - Map the FW result for the port rate to the userspace values properly in mlx5, returns correct values for newer 800G ports - Don't wrongly destroy counters objects that were not automatically created during mlx5 bind qp - Set page size/shift members of kernel owned SRQs to fix a crash in nvme target * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers RDMA/mlx5: Fix bind QP error cleanup flow RDMA/mlx5: Fix AH static rate parsing RDMA/mlx5: Fix implicit ODP hang on parent deregistration RDMA/bnxt_re: Fix the statistics for Gen P7 VF RDMA/bnxt_re: Fix issue in the unload path RDMA/bnxt_re: Add sanity checks on rdev validity RDMA/bnxt_re: Fix an issue in bnxt_re_async_notifier RDMA/hns: Fix mbox timing out by adding retry mechanism MAINTAINERS: update maintainer for Microsoft MANA RDMA driver RDMA/mana_ib: Allocate PAGE aligned doorbell index RDMA/mlx5: Fix a WARN during dereg_mr for DM type RDMA/mlx5: Fix a race for DMABUF MR which can lead to CQE with error IB/mlx5: Set and get correct qp_num for a DCT QP RDMA/mlx5: Fix the recovery flow of the UMR QP |
||
|
Linus Torvalds
|
9f5270d758 |
perf tools fixes for v6.14: 2nd batch
- Fix tools/ quiet build Makefile infrastructure that was broken when working on tools/perf/ without testing on other tools/ living utilities. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCZ74OJwAKCRCyPKLppCJ+ J30mAPsHCA8A+CNq/5yW2VhFLV1GgCSL5oWqxXRn7QjhSrCQBQEAot2u4O5zXs7M sg+mPlYiS1oT+zmvTLlXrN+bVyWP9A4= =jH1N -----END PGP SIGNATURE----- Merge tag 'perf-tools-fixes-for-v6.14-2-2025-02-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools Pull perf tools fixes from Arnaldo Carvalho de Melo: - Fix tools/ quiet build Makefile infrastructure that was broken when working on tools/perf/ without testing on other tools/ living utilities. * tag 'perf-tools-fixes-for-v6.14-2-2025-02-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: tools: Remove redundant quiet setup tools: Unify top-level quiet infrastructure |
||
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Linus Torvalds
|
cc8a0934d0 |
for-6.14-rc4-tag
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Merge tag 'for-6.14-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- extent map shrinker fixes:
- fix potential use after free accessing an inode to reach fs_info,
the shrinker could do iput() in the meantime
- skip unnecessary scanning of inodes without extent maps
- do direct iput(), no need for indirection via workqueue
- in block < page mode, fix race when extending i_size in buffered mode
- fix minor memory leak in selftests
- print descriptive error message when seeding device is not found
* tag 'for-6.14-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix data overwriting bug during buffered write when block size < page size
btrfs: output an error message if btrfs failed to find the seed fsid
btrfs: do regular iput instead of delayed iput during extent map shrinking
btrfs: skip inodes without loaded extent maps when shrinking extent maps
btrfs: fix use-after-free on inode when scanning root during em shrinking
btrfs: selftests: fix btrfs_test_delayed_refs() leak of transaction
|
||
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Linus Torvalds
|
3d85d6c853 |
vfs-6.14-rc5.fixes
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZ72tGgAKCRCRxhvAZXjc ovLnAQCbSaNoTmAHB45Au/3klYUL2MKS0COotj9SD4braLcMuAEApO4Ec+n+D+ky dylGZoKNwSZCY2fJmMykN199+QISsww= =LqgC -----END PGP SIGNATURE----- Merge tag 'vfs-6.14-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs fixes from Christian Brauner: - Use __readahead_folio() in fuse again to fix a UAF issue when using splice - Remove d_op->d_delete method from pidfs - Remove d_op->d_delete method from nsfs - Simplify iomap_dio_bio_iter() - Fix a UAF in ovl_dentry_update_reval - Fix a miscalulated file range for filemap_fdatawrite_range_kick() - Don't skip skip dirty page in folio_unmap_invalidate() * tag 'vfs-6.14-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: iomap: Minor code simplification in iomap_dio_bio_iter() nsfs: remove d_op->d_delete pidfs: remove d_op->d_delete mm/truncate: don't skip dirty page in folio_unmap_invalidate() mm/filemap: fix miscalculated file range for filemap_fdatawrite_range_kick() fuse: don't truncate cached, mutated symlink ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up fuse: revert back to __readahead_folio() for readahead |
||
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John Garry
|
b5799106b4
|
iomap: Minor code simplification in iomap_dio_bio_iter()
Combine 'else' and 'if' conditional statements onto a single line and drop
unrequired braces, as is standard coding style.
The code had been like this since commit
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||
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Linus Torvalds
|
2a1944bff5 |
RISC-V Fixes for 6.14-rc5
* A fix for cacheinfo DT probing to avoid reading non-boolean properties
as booleans.
* A fix for cpufeature to use bitmap_equal() instead of memcmp(), so
unused bits are ignored.
* Fixes for cmpxchg and futex cmpxchg that properly encode the sign
extension requirements on inline asm, which results in spurious
successes. This manifests in at least inode_set_ctime_current, but is
likely just a disaster waiting to happen.
* A fix for the rseq selftests, which was using an invalid constraint.
* A pair of fixes for signal frame size handling:
* We were reserving space for an extra empty extension context
header on systems with extended signal context, thus resulting in
unnecessarily large allocations.
* We weren't properly checking for available extensions before
calculating the signal stack size, which resulted in undersized
stack allocations on some systems (at least those with T-Head
custom vectors).
Also, we've added Alex as a reviewer. He's been helping out a ton
lately, thanks!
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Merge tag 'riscv-for-linus-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for cacheinfo DT probing to avoid reading non-boolean
properties as booleans.
- A fix for cpufeature to use bitmap_equal() instead of memcmp(), so
unused bits are ignored.
- Fixes for cmpxchg and futex cmpxchg that properly encode the sign
extension requirements on inline asm, which results in spurious
successes. This manifests in at least inode_set_ctime_current, but is
likely just a disaster waiting to happen.
- A fix for the rseq selftests, which was using an invalid constraint.
- A pair of fixes for signal frame size handling:
- We were reserving space for an extra empty extension context
header on systems with extended signal context, thus resulting in
unnecessarily large allocations.
- We weren't properly checking for available extensions before
calculating the signal stack size, which resulted in undersized
stack allocations on some systems (at least those with T-Head
custom vectors).
Also, we've added Alex as a reviewer. He's been helping out a ton
lately, thanks!
* tag 'riscv-for-linus-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
MAINTAINERS: Add myself as a riscv reviewer
riscv: signal: fix signal_minsigstksz
riscv: signal: fix signal frame size
rseq/selftests: Fix riscv rseq_offset_deref_addv inline asm
riscv/futex: sign extend compare value in atomic cmpxchg
riscv/atomic: Do proper sign extension also for unsigned in arch_cmpxchg
riscv: cpufeature: use bitmap_equal() instead of memcmp()
riscv: cacheinfo: Use of_property_present() for non-boolean properties
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||
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Linus Torvalds
|
2c24478e5f |
- dm-vdo: add missing spin_lock_init
- dm-integrity: divide-by-zero fix - dm-integrity: do not report unused entries in the table line -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRnH8MwLyZDhyYfesYTAyx9YGnhbQUCZ7xnCRQcbXBhdG9ja2FA cmVkaGF0LmNvbQAKCRATAyx9YGnhbVueAP47A+AczQa868MpFc2p8w5AmqqF6jyW s303VCS9wUCtBwD/TkFcYz5AtIRvIIdZiwtOKALPekjeLeOZaOSnrdJVkw0= =x00V -----END PGP SIGNATURE----- Merge tag 'for-6.14/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mikulas Patocka: - dm-vdo: add missing spin_lock_init - dm-integrity: divide-by-zero fix - dm-integrity: do not report unused entries in the table line * tag 'for-6.14/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm vdo: add missing spin_lock_init dm-integrity: Do not emit journal configuration in DM table for Inline mode dm-integrity: Avoid divide by zero in table status in Inline mode |
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Christoph Hellwig
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f7d5db965f |
dma-mapping: update MAINTAINERS
Marek has graciously offered to maintain the dma-mapping tree. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
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Christoph Hellwig
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815291c11a |
configfs: update MAINTAINERS
Joel will go back to maintain configfs alone on a time permitting basis. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
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Ken Raeburn
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36e1b81f59 |
dm vdo: add missing spin_lock_init
Signed-off-by: Ken Raeburn <raeburn@redhat.com> Signed-off-by: Matthew Sakai <msakai@redhat.com> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org |
||
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Christian Brauner
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425e3e3bd6
|
nsfs: remove d_op->d_delete
Nsfs only deals with unhashed dentries and there's currently no way for them to become hashed. So remove d_op->d_delete. Signed-off-by: Christian Brauner <brauner@kernel.org> |
||
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Christian Brauner
|
02cfe2b652
|
pidfs: remove d_op->d_delete
Pidfs only deals with unhashed dentries and there's currently no way for them to become hashed. So remove d_op->d_delete. Signed-off-by: Christian Brauner <brauner@kernel.org> |
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Linus Torvalds
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d082ecbc71 | Linux 6.14-rc4 | ||
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Linus Torvalds
|
9d68911233 |
i2c-for-6.14-rc4
Revert one cleanup which turned out to eat too much stack space -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAme7Du8ACgkQFA3kzBSg KbZ6Ng//a4NcW1e3JWjmCtIzO5J8flrewKbfy0PIGCYiylv5HIBC5TSPhX3JUHWj 5JEPCujtEJlCD3r9EFq/yJPSTxKvO2lWGLu9jz9W9Lo9KzSH6pP6mWXTW7W+989w 5ZU8H4pM2f5itHztcv/FJNJU+DNjBsutZcdATgGxxcllsDTA//jEHNORp5jOVNXF 5A91h4FNAG4VMfTpgK/XrCTxWkJHo1LyhC5YZpSxPOqCo/ZXwtwc161QCpCYgKan XWc3pgAeG4PdFBNFB6jsG0RUFbOxO+pj/Ub9dDn4axDpkwFBl5ejMkw8aIC1oSW9 P3wUVxUlrUaT7ceTqWYHy0uzq26R4zB6uJKhmFrRLMjVsd9MBPD4UkUTQuLYz0JH BFkeg8VP+0LLnSbJVKkZQRJRuuV/NQGgIlmiGBxedH0PiycDL3lRnX3xRjRBF3iR 2jm1VMZ9zhmAgEZ8xFwwnD6LDqFi2Cr9/QOkOjh4QIgI80hVT/UUqCB+V+RrZLR9 NN1ewPTrW1NVBAiz9gQw7zriPaDq5uqaKEDAUIzvPkkbc8F8xFUT70fMJHccNZaV +CrCqh7ApmDU4YVHIiuLxGvhXRdoV3XW+82ihwvad9AlXadPEWvWIUJTqZL3YYTI l8WqIJO2ZyH1/CSdt2e9DMav9Tp1MrMxB75wKqIaibXYdZB47L0= =TO6X -----END PGP SIGNATURE----- Merge tag 'i2c-for-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fix from Wolfram Sang: "Revert one cleanup which turned out to eat too much stack space" * tag 'i2c-for-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: core: Allocate temporary client dynamically |
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Linus Torvalds
|
ad328a3785 |
- Have qcom_edac use the correct interrupt enable register to configure
the RAS interrupt lines -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAme68cYACgkQEsHwGGHe VUpXQQ//dRzaujM/vCVR73F8jm2Y8LIkkuSRXA1HHheuxjx2Iu53piJt6Qb9O50a EUeUEvaylbt+di8b6CsyV9Y8Pue40oNU2V3rnMKkivmHDt74hOyQPzpSRp0EKgmF z3uS9cMzcc7Z7Z8C/sd8mVWPhvgzUf40JhFjWEjzks1IUaFd03so67sDSiqF3FKs hhr3k0y4qk2N9tveq7nO6xZrNehT0olygYY+H33t9Zts2ALDSfVpUr+mM6ypKHpZ nkTlwDdzcjiD5SmhoTwSSKjmzYORpDS2y5hN0Kd5+7aE43uQPXSxHpGNtDakDSaO Y80ntL3p4Bz+l5xMPSLfxG87Iiw1Pch8+kcBW+GeAhKg9OAo8/gMks611iF+7UVA yBUHieLA4lh/N2ghT0LoebXNpyK+2QErIqJEGZnvFxwO9yVAQo9E29NldioTiYv0 HA/GBqHCIy39E87fyRJCa+++KBVgg937C5eT8x90IhPWMp5KKDlv/atfrZi9WBot Y6OukXUfKGP4n94PqMowLaJhTbJZqkwDEe3rWZptb9VVn8RCLYJ8wcEhSQfa8p6c YrRSoBZkeEO5Ui7AjiXPEC4GANXn953EvYjSQNK7p9KRufNeCsaXIt7Awzf8vEa6 Woh97l5UY39VMlIb0OgJezfVjroSN+DgU55WT82E92walgaltms= =Sixg -----END PGP SIGNATURE----- Merge tag 'edac_urgent_for_v6.14_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC fix from Borislav Petkov: - Have qcom_edac use the correct interrupt enable register to configure the RAS interrupt lines * tag 'edac_urgent_for_v6.14_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/qcom: Correct interrupt enable register configuration |
||
|
Kashyap Desai
|
b66535356a |
RDMA/bnxt_re: Fix the page details for the srq created by kernel consumers
While using nvme target with use_srq on, below kernel panic is noticed.
[ 549.698111] bnxt_en 0000:41:00.0 enp65s0np0: FEC autoneg off encoding: Clause 91 RS(544,514)
[ 566.393619] Oops: divide error: 0000 [#1] PREEMPT SMP NOPTI
..
[ 566.393799] <TASK>
[ 566.393807] ? __die_body+0x1a/0x60
[ 566.393823] ? die+0x38/0x60
[ 566.393835] ? do_trap+0xe4/0x110
[ 566.393847] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393867] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393881] ? do_error_trap+0x7c/0x120
[ 566.393890] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393911] ? exc_divide_error+0x34/0x50
[ 566.393923] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393939] ? asm_exc_divide_error+0x16/0x20
[ 566.393966] ? bnxt_qplib_alloc_init_hwq+0x1d4/0x580 [bnxt_re]
[ 566.393997] bnxt_qplib_create_srq+0xc9/0x340 [bnxt_re]
[ 566.394040] bnxt_re_create_srq+0x335/0x3b0 [bnxt_re]
[ 566.394057] ? srso_return_thunk+0x5/0x5f
[ 566.394068] ? __init_swait_queue_head+0x4a/0x60
[ 566.394090] ib_create_srq_user+0xa7/0x150 [ib_core]
[ 566.394147] nvmet_rdma_queue_connect+0x7d0/0xbe0 [nvmet_rdma]
[ 566.394174] ? lock_release+0x22c/0x3f0
[ 566.394187] ? srso_return_thunk+0x5/0x5f
Page size and shift info is set only for the user space SRQs.
Set page size and page shift for kernel space SRQs also.
Fixes:
|
||
|
Patrisious Haddad
|
e1a0bdbdfd |
RDMA/mlx5: Fix bind QP error cleanup flow
When there is a failure during bind QP, the cleanup flow destroys the
counter regardless if it is the one that created it or not, which is
problematic since if it isn't the one that created it, that counter could
still be in use.
Fix that by destroying the counter only if it was created during this call.
Fixes:
|
||
|
Linus Torvalds
|
27102b38b8 |
SMB client fix
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAme6cqAACgkQiiy9cAdy T1Ep3wv+Js5POhkG5DfHDsHuTfllnk4r2+UCjtEFPifa9YZ6R2DmB2a3XPZX3nY5 /m5B62r3ghmB4cIyp9VcEhIuY8+vRvNeiK6m+XFtnh2iaG7hR9oS/8XQpNutkfLr mkS1ZuefPhqGhZwiFhty7/A01qnsgZfX6aI9vB9gWKYOqtnkhHMoMG5kNUR8oe9I zmg1PRbnauzpof7hDgg2Thgwn4zOFW3S/pTMvQowWYlranRjT8VACwoziiwFfGEM Pt0ZL1O+FJaBq7MyFTz63Me0yOAyBlN6zkUOqg0m8AaVnOkAsBPpij0m36uGsDPk Ht/cKWLQ2BnYoIjw6a7pq9iJ5GkSoxqCEWuh/PLlOneo6bUT0iEt9BnnaXErNmYE ocEYvMqpUs0TQaRx597U/bS8Oya3F24BxOl6NoMjx91NGAQ+Y3vDBsDZVEtb/Zrx bPpZLR7NZik7WZA3mZ5ePS7iAgSXgM+8+q7zo8KTbnVDT3uoEvebnYiTCwK2onio JpXkqaGQ =TzOR -----END PGP SIGNATURE----- Merge tag 'v6.14-rc3-smb3-client-fix-part2' of git://git.samba.org/sfrench/cifs-2.6 Pull smb client fix from Steve French: - Fix potential null pointer dereference * tag 'v6.14-rc3-smb3-client-fix-part2' of git://git.samba.org/sfrench/cifs-2.6: smb: client: Add check for next_buffer in receive_encrypted_standard() |
||
|
Linus Torvalds
|
5cf80612d3 |
Miscellaneous x86 fixes:
- Fix AVX-VNNI CPU feature dependency bug triggered via
the 'noxsave' boot option
- Fix typos in the SVA documentation
- Add Tony Luck as RDT co-maintainer and remove Fenghua Yu
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Fix AVX-VNNI CPU feature dependency bug triggered via the 'noxsave'
boot option
- Fix typos in the SVA documentation
- Add Tony Luck as RDT co-maintainer and remove Fenghua Yu
* tag 'x86-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
docs: arch/x86/sva: Fix two grammar errors under Background and FAQ
x86/cpufeatures: Make AVX-VNNI depend on AVX
MAINTAINERS: Change maintainer for RDT
|
||
|
Linus Torvalds
|
8b82c18bf9 |
Two RSEQ fixes:
- Fix overly spread-out RSEQ concurrency ID allocation pattern that
regressed certain workloads.
- Fix RSEQ registration syscall behavior on -EFAULT errors when
CONFIG_DEBUG_RSEQ=y. (This debug option is disabled on most
distributions.)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull rseq fixes from Ingo Molnar:
- Fix overly spread-out RSEQ concurrency ID allocation pattern that
regressed certain workloads
- Fix RSEQ registration syscall behavior on -EFAULT errors when
CONFIG_DEBUG_RSEQ=y (This debug option is disabled on most
distributions)
* tag 'sched-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq: Fix rseq registration with CONFIG_DEBUG_RSEQ
sched: Compact RSEQ concurrency IDs with reduced threads and affinity
|
||
|
Linus Torvalds
|
1ceffff65f |
Fix x86 Intel Lion Cove CPU event constraints, and fix
uprobes debug/error printk output pointer-value verbosity. Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAme51qQRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gR8Q//UES3cONW2IK+UsmPoWtcRTPk2NKZkOM6 i3ETRPWeL7j33HM6GXIt64hZdyULIhCSJ71Rd68UTJDGxsT73OMb408ubXC4kpu1 J+wKoDus5rGSAzZFHXTA9Ilk9Pr4nUP2JVvZRsgMjVWR3Lf2Qz4win6GIzjiQp51 gYGP4q29d+yx1fAtFLFGK3nn+ep3ndfhhqVOHQL9LTR3ZhF85MDKf/1jbVzrQPmN jIjV8wQh35BgDVlW3jqjw1NPa7IRA0O+knWu7hzvUcMs1Rbypo8ecITeLbsrLahx 3/GfAg8E+plDpZQ/duEoR1lkzrD3Xghl+zRK5OZUavNL1Qp6pgFUZDI8vJqpzC0v oW1ZkV4lHYgw1sPcRRxD8E6x2tL/FpFfWXQ+Sc5xmH/L0DflJ8Q1/AhMwfNe6Rxo B3pn+3Id1kq7Z5Cv+fuMUBOrnMbBildPKWJluefHFtYdR0oW2gnoo+NRKGAV1i/1 U6VHD34cupsdZZP2RGb3HKdfx941rClKN4U7kQ4pQERsezVg+Pkx7jMoG1h15xiv Qu0KQX8HmabpgTSftRNLFNIrp8Stu/WJfJSn2R09whq/v4HMhBsrapneeI7cfy+v C2mV+SNIU6eaDXz/cjXry2KqSEx6i/imariJGn04Sd6SKSNYNfEpJQ2YZ2bk8mbU mMQWhHxTgcI= =WKdH -----END PGP SIGNATURE----- Merge tag 'perf-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf event fixes from Ingo Molnar: "Fix x86 Intel Lion Cove CPU event constraints, and fix uprobes debug/error printk output pointer-value verbosity" * tag 'perf-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Fix event constraints for LNC uprobes: Don't use %pK through printk |
||
|
Linus Torvalds
|
f112eea3cc |
Fix miscellaneous irqchip bugs.
Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAme51TARHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1i9gg/+O/yXZ8k/2hl4Kc7NvlhszHDNRLht6Sd9 ZdRtn6N6yY5JkQhGEzXv/gFVRJWtxHwOF7cHJysgqRzsv4YFufqSMZN3CaMnbKOd ZgK3Kmt0YunamEvdKDrJJ6oPN0Ul7f4ipcD9qfuh2TM2YrLzBwTKuMR5ZEASEmgn yF3FqDHTyqdhUi/ti5HKRcF4ElWh0ATALeHtjDmVWQq4pv7bsOOu5F438ZIomVPF r+2R9M1nPghozZ00wHcsn86TyEWcF63TVKLoDrTG+mC3xyFOwoP+E/P20Kad6V3f 14IhQyVteClUy7BwD5mSPZ86s52t1RQngaQF8ofDiEipUFP5/AsLsTAtzy/rOaPg PheHVdYNNuxxRW63pJHpAGr+sWYGT4eYAWBodF6VxWmDNtLeKDf2MQyNW6Ip3QqF l9FADyyCl4ItyU65py1W0oAbdhSzN7qIco30flWlIv6t6QLPTORmob6ogY5r2Npj fn0/lHBkR2/cDlK0EV3JoFgy6AI58t+ThvvEXBfj7a7pxDve7Li5X2U6Hw7lSbn5 3r6URYXn4jUERV9+vMPGBvrXpeE+itDzT3NDl1Qm7uHq22k9o8TaLEgUD7tq/K0V a2HKxsDaqi0esdVM2bndVKBRsjgSOkt+jhmppmQd4PJ4GfjZxT9egdgn6GVs6WtI VOPejBKFBpM= =Kfhc -----END PGP SIGNATURE----- Merge tag 'irq-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Ingo Molnar: "Fix miscellaneous irqchip bugs" * tag 'irq-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/qcom-pdc: Workaround hardware register bug on X1E80100 irqchip/jcore-aic, clocksource/drivers/jcore: Fix jcore-pit interrupt request irqchip/gic-v3: Fix rk3399 workaround when secure interrupts are enabled |
||
|
Linus Torvalds
|
cd59f1d80a |
s390 updates for 6.14-rc4
- Fix inline asm constraint in cmma_test_essa() to avoid potential ESSA detection miscompilation - Fix build failure with CONFIG_GENDWARFKSYMS by disabling purgatory symbol exports with -D__DISABLE_EXPORTS - Update defconfigs -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE3QHqV+H2a8xAv27vjYWKoQLXFBgFAme5DtQACgkQjYWKoQLX FBidIgf/SVOEoOSCeHHt1M2PXuml55iKpkB6usA7ArVRBfVs2H8FVcI5/b/geQV/ HAa/4BL0dgVtPLse8BAucB+FRYUdWveAAkDcknmxlwYPDvKGCnpXipcQkpPFicIW gGoLXvh1Rq7gwfhqm1XGSPipvpTHf7JstDpHa+BbUtOElzOFl8XZL8UMqf91GXMn XEllxtJgUBqHVd//TP99KAgUbaPbLpPxKMX72cuSusAfOyiroG/ft/PwfbQU0BSl LMZpUpRyDE76lSsAEyc8YAuCMmt0ubY+aYFfO9mvA11bAFTskcaQO2PAq8fhUY4/ Mg604S8m2G44hoW+xKcvX8xN/PWuuA== =iTtS -----END PGP SIGNATURE----- Merge tag 's390-6.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Vasily Gorbik: - Fix inline asm constraint in cmma_test_essa() to avoid potential ESSA detection miscompilation - Fix build failure with CONFIG_GENDWARFKSYMS by disabling purgatory symbol exports with -D__DISABLE_EXPORTS - Update defconfigs * tag 's390-6.14-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/boot: Fix ESSA detection s390/purgatory: Use -D__DISABLE_EXPORTS s390: Update defconfigs |
||
|
Linus Torvalds
|
b8c8c1414f |
tracing fixes for v6.14:
Function graph accounting fixes:
- Fix the manage ops hashes
The function graph registers a "manager ops" and "sub-ops" to ftrace.
The manager ops does not have any callback but calls the sub-ops
callbacks. The manage ops hashes (what is used to tell ftrace what
functions to attach to) is built on the sub-ops it manages.
There was an error in the way it built the hash. An empty hash means to
attach to all functions. When the manager ops had one sub-ops it properly
copied its hash. But when the manager ops had more than one sub-ops, it
went into a loop to make a set of all functions it needed to add to the
hash. If any of the subops hashes was empty, that would mean to attach
to all functions. The error was that the first iteration of the loop
passed in an empty hash to start with in order to add the other hashes.
That starting hash was mistaken as to attach to all functions. This made
the manage ops attach to all functions whenever it had two or more
sub-ops, even if each sub-op was attached to only a single function.
- Do not add duplicate entries to the manager ops hash
If two or more subops hashes trace the same function, an entry for that
function will be added to the manager ops for each subops. This causes
waste and extra overhead.
Fprobe accounting fixes:
- Remove last function from fprobe hash
Fprobes has a ftrace hash to manage which functions an fprobe is attached
to. It also has a counter of how many fprobes are attached. When the last
fprobe is removed, it unregisters the fprobe from ftrace but does not
remove the functions the last fprobe was attached to from the hash. This
leaves the old functions attached. When a new fprobe is added, the fprobe
infrastructure attaches to not only the functions of the new fprobe, but
also to the functions of the last fprobe.
- Fix accounting of the fprobe counter
When a fprobe is added, it updates a counter. If the counter goes from
zero to one, it attaches its ops to ftrace. When an fprobe is removed, the
counter is decremented. If the counter goes from 1 to zero, it removes the
fprobes ops from ftrace. There was an issue where if two fprobes trace the
same function, the addition of each fprobe would increment the counter.
But when removing the first of the fprobes, it would notice that another
fprobe is still attached to one of its functions no it does not remove
the functions from the ftrace ops. But it also did not decrement the
counter. When the last fprobe is removed, the counter is still one. This
leaves the fprobes callback still registered with ftrace and it being
called by the functions defined by the fprobes ops hash. Worse yet,
because all the functions from the fprobe ops hash have been removed, that
tells ftrace that it wants to trace all functions. Thus, this puts the
state of the system where every function is calling the fprobe callback
handler (which does nothing as there are no registered fprobes), but this
causes a good 13% slow down of the entire system.
Other updates:
- Add a selftest to test the above issues to prevent regressions.
- Fix preempt count accounting in function tracing
Better recursion protection was added to function tracing which added
another layer of preempt disable. As the preempt_count gets traced in the
event, it needs to subtract the amount of preempt disabling the tracer
does to record what the preempt_count was when the trace was triggered.
- Fix memory leak in output of set_event
A variable is passed by the seq_file functions in the location that is
set by the return of the next() function. The start() function allocates
it and the stop() function frees it. But when the last item is found, the
next() returns NULL which leaks the data that was allocated in start().
The m->private is used for something else, so have next() free the data
when it returns NULL, as stop() will then just receive NULL in that case.
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Merge tag 'ftrace-v6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
"Function graph accounting fixes:
- Fix the manage ops hashes
The function graph registers a "manager ops" and "sub-ops" to
ftrace. The manager ops does not have any callback but calls the
sub-ops callbacks. The manage ops hashes (what is used to tell
ftrace what functions to attach to) is built on the sub-ops it
manages.
There was an error in the way it built the hash. An empty hash
means to attach to all functions. When the manager ops had one
sub-ops it properly copied its hash. But when the manager ops had
more than one sub-ops, it went into a loop to make a set of all
functions it needed to add to the hash. If any of the subops hashes
was empty, that would mean to attach to all functions. The error
was that the first iteration of the loop passed in an empty hash to
start with in order to add the other hashes. That starting hash was
mistaken as to attach to all functions. This made the manage ops
attach to all functions whenever it had two or more sub-ops, even
if each sub-op was attached to only a single function.
- Do not add duplicate entries to the manager ops hash
If two or more subops hashes trace the same function, an entry for
that function will be added to the manager ops for each subops.
This causes waste and extra overhead.
Fprobe accounting fixes:
- Remove last function from fprobe hash
Fprobes has a ftrace hash to manage which functions an fprobe is
attached to. It also has a counter of how many fprobes are
attached. When the last fprobe is removed, it unregisters the
fprobe from ftrace but does not remove the functions the last
fprobe was attached to from the hash. This leaves the old functions
attached. When a new fprobe is added, the fprobe infrastructure
attaches to not only the functions of the new fprobe, but also to
the functions of the last fprobe.
- Fix accounting of the fprobe counter
When a fprobe is added, it updates a counter. If the counter goes
from zero to one, it attaches its ops to ftrace. When an fprobe is
removed, the counter is decremented. If the counter goes from 1 to
zero, it removes the fprobes ops from ftrace.
There was an issue where if two fprobes trace the same function,
the addition of each fprobe would increment the counter. But when
removing the first of the fprobes, it would notice that another
fprobe is still attached to one of its functions no it does not
remove the functions from the ftrace ops.
But it also did not decrement the counter, so when the last fprobe
is removed, the counter is still one. This leaves the fprobes
callback still registered with ftrace and it being called by the
functions defined by the fprobes ops hash. Worse yet, because all
the functions from the fprobe ops hash have been removed, that
tells ftrace that it wants to trace all functions.
Thus, this puts the state of the system where every function is
calling the fprobe callback handler (which does nothing as there
are no registered fprobes), but this causes a good 13% slow down of
the entire system.
Other updates:
- Add a selftest to test the above issues to prevent regressions.
- Fix preempt count accounting in function tracing
Better recursion protection was added to function tracing which
added another layer of preempt disable. As the preempt_count gets
traced in the event, it needs to subtract the amount of preempt
disabling the tracer does to record what the preempt_count was when
the trace was triggered.
- Fix memory leak in output of set_event
A variable is passed by the seq_file functions in the location that
is set by the return of the next() function. The start() function
allocates it and the stop() function frees it. But when the last
item is found, the next() returns NULL which leaks the data that
was allocated in start(). The m->private is used for something
else, so have next() free the data when it returns NULL, as stop()
will then just receive NULL in that case"
* tag 'ftrace-v6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Fix memory leak when reading set_event file
ftrace: Correct preemption accounting for function tracing.
selftests/ftrace: Update fprobe test to check enabled_functions file
fprobe: Fix accounting of when to unregister from function graph
fprobe: Always unregister fgraph function from ops
ftrace: Do not add duplicate entries in subops manager ops
ftrace: Fix accounting of adding subops to a manager ops
|
||
|
Geert Uytterhoeven
|
781813db79 |
i2c: core: Allocate temporary client dynamically
drivers/i2c/i2c-core-base.c: In function ‘i2c_detect.isra’:
drivers/i2c/i2c-core-base.c:2544:1: warning: the frame size of 1312 bytes is larger than 1024 bytes [-Wframe-larger-than=]
2544 | }
| ^
Fix this by allocating the temporary client structure dynamically, as it
is a rather large structure (1216 bytes, depending on kernel config).
This is basically a revert of the to-be-fixed commit with some
checkpatch improvements.
Fixes:
|
||
|
Linus Torvalds
|
ff202c5028 |
soc: fixes for 6.14
Two people stepped up as platform co-maintainers: Andrew Jeffery for ASpeed and Janne Grunau for Apple. The rockchip platform gets 9 small fixes for devicetree files, addressing both compile-time warnings and board specific bugs. One bugfix for the optee firmware driver addresses a reboot-time hang. Two drivers need improved Kconfig dependencies to allow wider compile- testing while hiding the drivers on platforms that can't use them. ARM SCMI and loongson-guts drivers get minor bugfixes. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAme46ZQACgkQYKtH/8kJ Uich+g/+KLi3GIrkZ8Tl7AD2zSkFtIcr4RI0J1QJNcbygoYnvgVcDS8xwr4dkOQ1 FCcBlUx45qOfyglzmJxqJ8lQfMAI3qu+wT0Rinx0tFMMvI/jMGw7+Rz+Bvem6YRc guS40IttPjEv3djV1zEkSxH+dgEgd/EEQdrbNH17jdkM/TZYSWRJpIdg4rsqOdoc 8bUKSSKmT2LPQWwGovsxri1/alXgvSndVe9X8KkdNVhnFsJBkRxVvcAPNd2jCRW0 EaEPhNaGeZkwCdPallbCH9Q4vSU+vU9xu1YqhGRBxNE0akJM/M+VanQCGmGl2nxp D90arVjPKEumpOXnd77a5M2Kww4UnHRP8+dlPdVUBvSKg+2iIZexxozKbui8oyvd hlV5LBAMNL0NdVBSFVj73nN6RbJ2Mpmbk6CpVE5OKsvczpo8gp8LuyUjU0nhcVuR acRyqP0w6U8ZQUDF1+8SaK660nOH4RS54NH1sobLwR+gn5uRsuFKMNWKBsuhGJfY vyK8m/WH5kqnCc4vpe/Wi3RLPNHhz5YcHr3UdS9E8QSZnt6uPRWRhUW5dQ65RtDJ jyIheGXhffI5kwilpsSpBW0owNm7YMJJUR/aTczmfR3axhKhrf1lHvyFnJ3gr4gU R10e1hfuivV8Oovdu3gr+WPKafFkZV+WeiXjoPFmFUWbchOrrmU= =z1+P -----END PGP SIGNATURE----- Merge tag 'soc-fixes-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC fixes from Arnd Bergmann: "Two people stepped up as platform co-maintainers: Andrew Jeffery for ASpeed and Janne Grunau for Apple. The rockchip platform gets 9 small fixes for devicetree files, addressing both compile-time warnings and board specific bugs. One bugfix for the optee firmware driver addresses a reboot-time hang. Two drivers need improved Kconfig dependencies to allow wider compile- testing while hiding the drivers on platforms that can't use them. ARM SCMI and loongson-guts drivers get minor bugfixes" * tag 'soc-fixes-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: soc: loongson: loongson2_guts: Add check for devm_kstrdup() tee: optee: Fix supplicant wait loop platform: cznic: CZNIC_PLATFORMS should depend on ARCH_MVEBU firmware: imx: IMX_SCMI_MISC_DRV should depend on ARCH_MXC MAINTAINERS: arm: apple: Add Janne as maintainer MAINTAINERS: Mark Andrew as M: for ASPEED MACHINE SUPPORT firmware: arm_scmi: imx: Correct tx size of scmi_imx_misc_ctrl_set arm64: dts: rockchip: adjust SMMU interrupt type on rk3588 arm64: dts: rockchip: disable IOMMU when running rk3588 in PCIe endpoint mode dt-bindings: rockchip: pmu: Ensure all properties are defined arm64: defconfig: Enable TISCI Interrupt Router and Aggregator arm64: dts: rockchip: Fix lcdpwr_en pin for Cool Pi GenBook arm64: dts: rockchip: fix fixed-regulator renames on rk3399-gru devices arm64: dts: rockchip: Disable DMA for uart5 on px30-ringneck arm64: dts: rockchip: Move uart5 pin configuration to px30 ringneck SoM arm64: dts: rockchip: change eth phy mode to rgmii-id for orangepi r1 plus lts arm64: dts: rockchip: Fix broken tsadc pinctrl names for rk3588 |
||
|
Linus Torvalds
|
3ef7acec97 |
drm fixes for v6.14-rc4
core: - remove MAINTAINERS entry cgroup/dmem: - use correct function for pool descendants panel: - fix signal polarity issue jd9365da-h3 nouveau: - folio handling fix - config fix amdxdna: - fix missing header xe: - Fix error handling in xe_irq_install - Fix devcoredump format i915: - Use spin_lock_irqsave() in interruptible context on guc submission - Fixes on DDI and TRANS programming - Make sure all planes in use by the joiner have their crtc included - Fix 128b/132b modeset issues msm: - More catalog fixes: - to skip watchdog programming through top block if its not present - fix the setting of WB mask to ensure the WB input control is programmed correctly through ping-pong - drop lm_pair for sm6150 as that chipset does not have any 3dmerge block - Fix the mode validation logic for DP/eDP to account for widebus (2ppc) to allow high clock resolutions - Fix to disable dither during encoder disable as otherwise this was causing kms_writeback failure due to resource sharing between WB and DSI paths as DSI uses dither but WB does not - Fixes for virtual planes, namely to drop extraneous return and fix uninitialized variables - Fix to avoid spill-over of DSC encoder block bits when programming the bits-per-component - Fixes in the DSI PHY to protect against concurrent access of PHY_CMN_CLK_CFG regs between clock and display drivers - Core/GPU: - Fix non-blocking fence wait incorrectly rounding up to 1 jiffy timeout - Only print GMU fw version once, instead of each time the GPU resumes -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAme45ZkACgkQDHTzWXnE hr65yBAAktcl5lk1UteLZE/3YCOWu9XW3R30Sto9e+CkR/y+2oVSrJFSYF+OWSkV XRS4xpHkRV3L9YxnroiqIofI6rKoc82pm+HrKZ8Z3gf5gvEU+IB4H8QJdwhUQzcP 8fwxG+ZsCXam6rIUL4kIO9InD1amxJNrFRts+aQ8N/BDeiJdQZOk7F6v9BGu+3hv HaFPfhXXmh7TYmCQqxoI6hZlEetBYkWFiS+2Ir85Xt6n7V0ae91L+rJK92PBIlmK sg9xOSMxde3Bxmv8ARn6R3pTaEb2iQfdw203o9P+JnZfJoKEb0IlitCxNJG7Lu4j hu+7Bk7tPEzncFQA69h5jpn8XL4urECvmkkfx07afj1jjRFFycQgqOkfMM/OiYRo 4cDPi4BhCXwKg4B1KCrx3vGtiUhFc7l4eYyqILRt+U3LpzKtU0ymqSv/odzWz7+m ynfcAw5DzqozdYD/X8dRkWqEsYyihApJI0I1pj38tem1M1XMtlILjcSWGuGFEPwJ JIKYsinHRzJ1pggHf3nHzWV7uGFWY8sQwbQVAKTVgL8pq/dQzG3tW7rjLgYLI0ju hAd2ihXl/h8Ezt4f1dDxrwrTgC3RXL/S0y/g0lBkRjVZ4exMVQVHev+LlLCjcvCY L6dxZNHb4ggR50qhGekNT2Uxb/Sldu9tVuOGc801eynr6myLLOg= =cuOi -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2025-02-22' of https://gitlab.freedesktop.org/drm/kernel Pull drm fixes from Dave Airlie: "Weekly drm fixes pull request, lots of small things all over, msm has a bunch of things but all very small, xe, i915, a fix for the cgroup dmem controller. core: - remove MAINTAINERS entry cgroup/dmem: - use correct function for pool descendants panel: - fix signal polarity issue jd9365da-h3 nouveau: - folio handling fix - config fix amdxdna: - fix missing header xe: - Fix error handling in xe_irq_install - Fix devcoredump format i915: - Use spin_lock_irqsave() in interruptible context on guc submission - Fixes on DDI and TRANS programming - Make sure all planes in use by the joiner have their crtc included - Fix 128b/132b modeset issues msm: - More catalog fixes: - to skip watchdog programming through top block if its not present - fix the setting of WB mask to ensure the WB input control is programmed correctly through ping-pong - drop lm_pair for sm6150 as that chipset does not have any 3dmerge block - Fix the mode validation logic for DP/eDP to account for widebus (2ppc) to allow high clock resolutions - Fix to disable dither during encoder disable as otherwise this was causing kms_writeback failure due to resource sharing between WB and DSI paths as DSI uses dither but WB does not - Fixes for virtual planes, namely to drop extraneous return and fix uninitialized variables - Fix to avoid spill-over of DSC encoder block bits when programming the bits-per-component - Fixes in the DSI PHY to protect against concurrent access of PHY_CMN_CLK_CFG regs between clock and display drivers - Core/GPU: - Fix non-blocking fence wait incorrectly rounding up to 1 jiffy timeout - Only print GMU fw version once, instead of each time the GPU resumes" * tag 'drm-fixes-2025-02-22' of https://gitlab.freedesktop.org/drm/kernel: (28 commits) drm/i915/dp: Fix disabling the transcoder function in 128b/132b mode drm/i915/dp: Fix error handling during 128b/132b link training accel/amdxdna: Add missing include linux/slab.h MAINTAINERS: Remove myself drm/nouveau/pmu: Fix gp10b firmware guard cgroup/dmem: Don't open-code css_for_each_descendant_pre drm/xe/guc: Fix size_t print format drm/xe: Make GUC binaries dump consistent with other binaries in devcoredump drm/i915: Make sure all planes in use by the joiner have their crtc included drm/i915/ddi: Fix HDMI port width programming in DDI_BUF_CTL drm/i915/dsi: Use TRANS_DDI_FUNC_CTL's own port width macro drm/xe: Fix error handling in xe_irq_install() drm/i915/gt: Use spin_lock_irqsave() in interruptible context drm/msm/dsi/phy: Do not overwite PHY_CMN_CLK_CFG1 when choosing bitclk source drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG1 against clock driver drm/msm/dsi/phy: Protect PHY_CMN_CLK_CFG0 updated from driver side drm/msm/dpu: Drop extraneous return in dpu_crtc_reassign_planes() drm/msm/dpu: Don't leak bits_per_component into random DSC_ENC fields drm/msm/dpu: Disable dither in phys encoder cleanup drm/msm/dpu: Fix uninitialized variable ... |
||
|
Linus Torvalds
|
8a61cb6e15 |
block-6.14-20250221
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Merge tag 'block-6.14-20250221' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- FC controller state check fixes (Daniel)
- PCI Endpoint fixes (Damien)
- TCP connection failure fixe (Caleb)
- TCP handling C2HTermReq PDU (Maurizio)
- RDMA queue state check (Ruozhu)
- Apple controller fixes (Hector)
- Target crash on disbaled namespace (Hannes)
- MD pull request via Yu:
- Fix queue limits error handling for raid0, raid1 and raid10
- Fix for a NULL pointer deref in request data mapping
- Code cleanup for request merging
* tag 'block-6.14-20250221' of git://git.kernel.dk/linux:
nvme: only allow entering LIVE from CONNECTING state
nvme-fc: rely on state transitions to handle connectivity loss
apple-nvme: Support coprocessors left idle
apple-nvme: Release power domains when probe fails
nvmet: Use enum definitions instead of hardcoded values
nvme: Cleanup the definition of the controller config register fields
nvme/ioctl: add missing space in err message
nvme-tcp: fix connect failure on receiving partial ICResp PDU
nvme: tcp: Fix compilation warning with W=1
nvmet: pci-epf: Avoid RCU stalls under heavy workload
nvmet: pci-epf: Do not uselessly write the CSTS register
nvmet: pci-epf: Correctly initialize CSTS when enabling the controller
nvmet-rdma: recheck queue state is LIVE in state lock in recv done
nvmet: Fix crash when a namespace is disabled
nvme-tcp: add basic support for the C2HTermReq PDU
nvme-pci: quirk Acer FA100 for non-uniqueue identifiers
block: fix NULL pointer dereferenced within __blk_rq_map_sg
block/merge: remove unnecessary min() with UINT_MAX
md/raid*: Fix the set_queue_limits implementations
|
||
|
Linus Torvalds
|
f679ebf6aa |
io_uring-6.14-20250221
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAme4rVYQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpodqD/9hVmNuIJTpfLNdKNGgsgE1VRhtTtKgISOV U2c2NDVvx6brqyRL2JGfC3DhZyXvC98qEKXfsJf0lbDPh/pP3oQMLWmPJWsJKVUt DpE9RzI89/objCvIUNMLS9svixmBcVSBnF9x1ppGl6Ou4+NSkS72aswMNlP3qLr9 +UnAxEFWCCn/8sl29GdtUDXSm8l/u6oftxeGhXTaczwEVUSvclyTqrsqoy05z9ib Ar5PC9h7crwCgrnMahAUkM603Vi3gZzkDiQre/GK28HN7nx0TbwB9inRsxrO3sv5 01rwwA67oN7sEp2AM3Svh4MyBb3wyNRzcynZMgml2YM+0RRmstmeT2VBjilCRVCT s5pO+KnJ1Q64rYcaqPU5+hqfJ55d8qveBjB8Omu4BrFaf7HuzgLq1bbEBrmyoHKm TQvM/USnwycOs6FrdAWS5X+nx9pFIDowd6ZqLckVhWxjnIsi/WeyNoJFP9U887X7 YdatkNoqY7EApykzUxVKzuSw1sgADE9HvnBSrfBcbyxA3Wpl52K+Y+/NyRjlJamF aGP8FpM1ZoOcwyWhi0By8PmB4flSnirYQ7Ysu0Wv12CoNylHv1n1pbbGNZ/LuXGN MrrE4jQLk5cVEfSk/+C0G5MreUkwav8K5cnEoqq36peq9LXW36jQdWkYieZMCbun lKODmRPAgA== =w+aR -----END PGP SIGNATURE----- Merge tag 'io_uring-6.14-20250221' of git://git.kernel.dk/linux Pull io_uring fixes from Jens Axboe: - Series fixing an issue with multishot read on pollable files that may return -EIOCBQUEUED from ->read_iter(). Four small patches for that, the first one deliberately done in such a way that it'd be easy to backport - Remove some dead constant definitions - Use array_index_nospec() for opcode indexing - Work-around for worker creation retries in the presence of signals * tag 'io_uring-6.14-20250221' of git://git.kernel.dk/linux: io_uring/rw: clean up mshot forced sync mode io_uring/rw: move ki_complete init into prep io_uring/rw: don't directly use ki_complete io_uring/rw: forbid multishot async reads io_uring/rsrc: remove unused constants io_uring: fix spelling error in uapi io_uring.h io_uring: prevent opcode speculation io-wq: backoff when retrying worker creation |
||
|
Linus Torvalds
|
7108b48e96 |
ACPI fix for 6.14-rc4
Fix a memory leak in the ACPI platform_profile driver (Kurt Borja). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAme4qUASHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxY7AP/Rj5ZdFqWojMlZLFm2AU9seKjZWMQ/jK uk2dxmvRZtek4lD6jTyuTypvFaalswTe9n8pO0N0+/RsXBoYKzqCEWAKDGf5MOpt ERfzfkPzStoQc5gBmjEalsl3qmbUphRxolGzdGjg/YLo/039MNBYWS6PXEQd6wTb hBVtIvg+Vt6snthZrsGmfmsSQMdC6uYun4lYJBOLobK+R7Wb0hFsLPq9mKAJTwSu 5E0i/0Y35j2IPKMQZq6QFcR3WzveveAHduWjLybljp0ZjOw8Q9Iugs4QCeNv68Sz In2WPzdlaHj07PpD+sLAop8NJjZXggX7lvPVNheSt8JP7OzoPWwLMM7GQR7UKM81 /XOgSdWcVEb3mVWBf6Fb02YLqWJdKJ6N8klTTT5b0xb4jHXcVEZaZMOdhkEO5sUv XBQIgFtJ1wiTNr8zbFJeGn/g/jDls453nN6mmKUX6OP0T7azWD3va4wYZaFw5XeW Eavnp8yAq26S+yhdK5PsNS7Cydq8Es4PAiikJBlprHk9a58c7mBCddaMivCXiMZy 4+yWbTavPIyjMwZoF59bc8Ld11y23wL3zOvMsVd/7A0zmysfuCahSTrisVFbavGq H3kUy1qfnSchn1vKnSVEbKN9az0unrf8qmV7n+VOjGaidmm3NRsdjw3Sa8UuGlnY jdqXLnczGJCr =9xnR -----END PGP SIGNATURE----- Merge tag 'acpi-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "Fix a memory leak in the ACPI platform_profile driver (Kurt Borja)" * tag 'acpi-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: platform_profile: Fix memory leak in profile_class_is_visible() |
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|
Linus Torvalds
|
a3daad8215 |
The two most important fixes in this list are probably the SST write
failure and the Qcom raw NAND controller probe failure which are due to some refactoring, otherwise there has been a series of misc fixes on the Cadence raw NAND controller driver and especially on the DMA side. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE9HuaYnbmDhq/XIDIJWrqGEe9VoQFAme4omgACgkQJWrqGEe9 VoS6nQf+MJuHmlOeAInMmoKA6gJ358GIxStkiT88db4NuOtXrWkf9BVcI/LNlHDv dV1xW0uHbrjnf2teuBk4mD11PbH5lKz738ElBphQWkDbsEq7+l0OiN7ixZ8dF7UK 6qKvP8CLRgz/41elD8Kg0c2x4Tfoxym6G1lrNqt9igkv6/jDgKrP93ScDwmVpS76 DZ3toKGqo2fHuG8sN+qGh1KQIf6DWUUx6E7SJin4cF/dHamYBT60KnVHtftabo60 1HEJcIXc6dIxXWz4Zqcjzogje3ynKhKuFW50qmJJKxE4VzcZIVkS0UpiLNZcJtP4 oulojoBQStASD5ztBP2zq4kGaXo6pQ== =fjkV -----END PGP SIGNATURE----- Merge tag 'mtd/fixes-for-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull mtd fixes from Miquel Raynal: "The two most important fixes in this list are probably the SST write failure and the Qcom raw NAND controller probe failure which are due to some refactoring, otherwise there has been a series of misc fixes on the Cadence raw NAND controller driver and especially on the DMA side" * tag 'mtd/fixes-for-6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: mtd: rawnand: cadence: fix unchecked dereference mtd: spi-nor: sst: Fix SST write failure dt-bindings: mtd: cadence: document required clock-names mtd: rawnand: qcom: fix broken config in qcom_param_page_type_exec mtd: rawnand: cadence: fix incorrect device in dma_unmap_single mtd: rawnand: cadence: use dma_map_resource for sdma address mtd: rawnand: cadence: fix error code in cadence_nand_init() |
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Linus Torvalds
|
534a2c6217 |
gpio fixes for v6.14-rc4
- check the return value of the get_direction() callback in struct gpio_chip - protect the multi-line get/set legs in GPIO core with SRCU - fix a race condition in gpio-vf610 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAme4kQQACgkQEacuoBRx 13Jv7Q//eHyg46Uj131uJJ7HeZq8dI0WIg6CWSfWk+IlHCbJfbnhRj189cY7pKO4 8g0ebk9Kr24BCZAkLfd1fIxJQ60dIMirH5p3NMOCppul+zSIHfKowYku+z/Ths2b YB/iQ2K6hSR6piV+hY4MFIz0HqvClMzrUqJIj6GXmsv6iCiLmwkVvNIOtZR9gilv VrCdOw7QwS9gVz1C7EuuaTd/i0jrjuHdN8PleNM24WcidrATv+oXBGOILDMh3fkR 3Akmx7ekYtJwE1d8dXEhEa8WOGukmux/lpGR/1/n3ikFYISOWKnJUt01m8+Rx+KN FJkL9GgdtHfxE6oEBmrBEb0q4Ssv4RCqwhpn7oXWyLYDm+wrdww2seeVBqE6Or9b CH2LBkB13NCA+7t/Lkr1ZJ9+d8LSDrraPJEEe5+j7bUM5UobjcWuNQ/X6z29nadP 8aBVvL5TYIIrew5RQUCBZUS5H7GF35hc2DA+GHocnSsAHkXzlb3BFwQyvAvU7Iaw XmuG529YkRZ71LW/3DL5jA/b3/LbeKBeCxhYIDF2efv024JqTAKifbv7rguLZspm VzELGSPkS0n01GRc191vFDqyuoZB0IIYgsGbSEsEzqFpi+4P0pAejYSke1MqPs6j BEgY5VwptieN50SkLX+6WBDNxs6y3eJa67G9Lg2oj/JuUsAs4NI= =1oGu -----END PGP SIGNATURE----- Merge tag 'gpio-fixes-for-v6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: "There are two fixes for GPIO core: one adds missing retval checks to older code, while the second adds SRCU synchronization to legs in code that were missed during the big rework a few cycles back. There's also one small driver fix: - check the return value of the get_direction() callback in struct gpio_chip - protect the multi-line get/set legs in GPIO core with SRCU - fix a race condition in gpio-vf610" * tag 'gpio-fixes-for-v6.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpiolib: don't bail out if get_direction() fails in gpiochip_add_data() gpiolib: protect gpio_chip with SRCU in array_info paths in multi get/set gpio: vf610: add locking to gpio direction functions gpiolib: check the return value of gpio_chip::get_direction() |
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|
Adrian Huang
|
2fa6a01345 |
tracing: Fix memory leak when reading set_event file
kmemleak reports the following memory leak after reading set_event file:
# cat /sys/kernel/tracing/set_event
# cat /sys/kernel/debug/kmemleak
unreferenced object 0xff110001234449e0 (size 16):
comm "cat", pid 13645, jiffies 4294981880
hex dump (first 16 bytes):
01 00 00 00 00 00 00 00 a8 71 e7 84 ff ff ff ff .........q......
backtrace (crc c43abbc):
__kmalloc_cache_noprof+0x3ca/0x4b0
s_start+0x72/0x2d0
seq_read_iter+0x265/0x1080
seq_read+0x2c9/0x420
vfs_read+0x166/0xc30
ksys_read+0xf4/0x1d0
do_syscall_64+0x79/0x150
entry_SYSCALL_64_after_hwframe+0x76/0x7e
The issue can be reproduced regardless of whether set_event is empty or
not. Here is an example about the valid content of set_event.
# cat /sys/kernel/tracing/set_event
sched:sched_process_fork
sched:sched_switch
sched:sched_wakeup
*:*:mod:trace_events_sample
The root cause is that s_next() returns NULL when nothing is found.
This results in s_stop() attempting to free a NULL pointer because its
parameter is NULL.
Fix the issue by freeing the memory appropriately when s_next() fails
to find anything.
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/20250220031528.7373-1-ahuang12@lenovo.com
Fixes:
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Sebastian Andrzej Siewior
|
57b76bedc5 |
ftrace: Correct preemption accounting for function tracing.
The function tracer should record the preemption level at the point when
the function is invoked. If the tracing subsystem decrement the
preemption counter it needs to correct this before feeding the data into
the trace buffer. This was broken in the commit cited below while
shifting the preempt-disabled section.
Use tracing_gen_ctx_dec() which properly subtracts one from the
preemption counter on a preemptible kernel.
Cc: stable@vger.kernel.org
Cc: Wander Lairson Costa <wander@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/20250220140749.pfw8qoNZ@linutronix.de
Fixes:
|
||
|
Steven Rostedt
|
e85c5e9792 |
selftests/ftrace: Update fprobe test to check enabled_functions file
A few bugs were found in the fprobe accounting logic along with it using the function graph infrastructure. Update the fprobe selftest to catch those bugs in case they or something similar shows up in the future. The test now checks the enabled_functions file which shows all the functions attached to ftrace or fgraph. When enabling a fprobe, make sure that its corresponding function is also added to that file. Also add two more fprobes to enable to make sure that the fprobe logic works properly with multiple probes. Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Link: https://lore.kernel.org/20250220202055.733001756@goodmis.org Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Tested-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
||
|
Steven Rostedt
|
ca26554a14 |
fprobe: Fix accounting of when to unregister from function graph
When adding a new fprobe, it will update the function hash to the
functions the fprobe is attached to and register with function graph to
have it call the registered functions. The fprobe_graph_active variable
keeps track of the number of fprobes that are using function graph.
If two fprobes attach to the same function, it increments the
fprobe_graph_active for each of them. But when they are removed, the first
fprobe to be removed will see that the function it is attached to is also
used by another fprobe and it will not remove that function from
function_graph. The logic will skip decrementing the fprobe_graph_active
variable.
This causes the fprobe_graph_active variable to not go to zero when all
fprobes are removed, and in doing so it does not unregister from
function graph. As the fgraph ops hash will now be empty, and an empty
filter hash means all functions are enabled, this triggers function graph
to add a callback to the fprobe infrastructure for every function!
# echo "f:myevent1 kernel_clone" >> /sys/kernel/tracing/dynamic_events
# echo "f:myevent2 kernel_clone%return" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kernel_clone (1) tramp: 0xffffffffc0024000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
# > /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
trace_initcall_start_cb (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
run_init_process (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
try_to_run_init_process (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
x86_pmu_show_pmu_cap (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
cleanup_rapl_pmus (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
uncore_free_pcibus_map (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
uncore_types_exit (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
uncore_pci_exit.part.0 (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
kvm_shutdown (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
vmx_dump_msrs (1) tramp: 0xffffffffc0026000 (function_trace_call+0x0/0x170) ->function_trace_call+0x0/0x170
[..]
# cat /sys/kernel/tracing/enabled_functions | wc -l
54702
If a fprobe is being removed and all its functions are also traced by
other fprobes, still decrement the fprobe_graph_active counter.
Cc: stable@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.565129766@goodmis.org
Fixes:
|
||
|
Steven Rostedt
|
ded9140622 |
fprobe: Always unregister fgraph function from ops
When the last fprobe is removed, it calls unregister_ftrace_graph() to
remove the graph_ops from function graph. The issue is when it does so, it
calls return before removing the function from its graph ops via
ftrace_set_filter_ips(). This leaves the last function lingering in the
fprobe's fgraph ops and if a probe is added it also enables that last
function (even though the callback will just drop it, it does add unneeded
overhead to make that call).
# echo "f:myevent1 kernel_clone" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kernel_clone (1) tramp: 0xffffffffc02f3000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
# echo "f:myevent2 schedule_timeout" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kernel_clone (1) tramp: 0xffffffffc02f3000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
schedule_timeout (1) tramp: 0xffffffffc02f3000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
# > /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
# echo "f:myevent3 kmem_cache_free" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kmem_cache_free (1) tramp: 0xffffffffc0219000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
schedule_timeout (1) tramp: 0xffffffffc0219000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
The above enabled a fprobe on kernel_clone, and then on schedule_timeout.
The content of the enabled_functions shows the functions that have a
callback attached to them. The fprobe attached to those functions
properly. Then the fprobes were cleared, and enabled_functions was empty
after that. But after adding a fprobe on kmem_cache_free, the
enabled_functions shows that the schedule_timeout was attached again. This
is because it was still left in the fprobe ops that is used to tell
function graph what functions it wants callbacks from.
Cc: stable@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.393254452@goodmis.org
Fixes:
|
||
|
Steven Rostedt
|
8eb4b09e0b |
ftrace: Do not add duplicate entries in subops manager ops
Check if a function is already in the manager ops of a subops. A manager
ops contains multiple subops, and if two or more subops are tracing the
same function, the manager ops only needs a single entry in its hash.
Cc: stable@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.226762894@goodmis.org
Fixes:
|
||
|
Steven Rostedt
|
38b1406194 |
ftrace: Fix accounting of adding subops to a manager ops
Function graph uses a subops and manager ops mechanism to attach to
ftrace. The manager ops connects to ftrace and the functions it connects
to is defined by a list of subops that it manages.
The function hash that defines what the above ops attaches to limits the
functions to attach if the hash has any content. If the hash is empty, it
means to trace all functions.
The creation of the manager ops hash is done by iterating over all the
subops hashes. If any of the subops hashes is empty, it means that the
manager ops hash must trace all functions as well.
The issue is in the creation of the manager ops. When a second subops is
attached, a new hash is created by starting it as NULL and adding the
subops one at a time. But the NULL ops is mistaken as an empty hash, and
once an empty hash is found, it stops the loop of subops and just enables
all functions.
# echo "f:myevent1 kernel_clone" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
kernel_clone (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
# echo "f:myevent2 schedule_timeout" >> /sys/kernel/tracing/dynamic_events
# cat /sys/kernel/tracing/enabled_functions
trace_initcall_start_cb (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
run_init_process (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
try_to_run_init_process (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
x86_pmu_show_pmu_cap (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
cleanup_rapl_pmus (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
uncore_free_pcibus_map (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
uncore_types_exit (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
uncore_pci_exit.part.0 (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
kvm_shutdown (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
vmx_dump_msrs (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
vmx_cleanup_l1d_flush (1) tramp: 0xffffffffc0309000 (ftrace_graph_func+0x0/0x60) ->ftrace_graph_func+0x0/0x60
[..]
Fix this by initializing the new hash to NULL and if the hash is NULL do
not treat it as an empty hash but instead allocate by copying the content
of the first sub ops. Then on subsequent iterations, the new hash will not
be NULL, but the content of the previous subops. If that first subops
attached to all functions, then new hash may assume that the manager ops
also needs to attach to all functions.
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Link: https://lore.kernel.org/20250220202055.060300046@goodmis.org
Fixes:
|
||
|
Brian Ochoa
|
c9876cdb3a |
docs: arch/x86/sva: Fix two grammar errors under Background and FAQ
- Correct "in order" to "in order to" - Append missing quantifier Signed-off-by: Brian Ochoa <brianeochoa@gmail.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20250219150920.445802-1-brianeochoa@gmail.com |
||
|
Michael Jeanson
|
dc0a241cea |
rseq: Fix rseq registration with CONFIG_DEBUG_RSEQ
With CONFIG_DEBUG_RSEQ=y, at rseq registration the read-only fields are
copied from user-space, if this copy fails the syscall returns -EFAULT
and the registration should not be activated - but it erroneously is.
Move the activation of the registration after the copy of the fields to
fix this bug.
Fixes:
|
||
|
Eric Biggers
|
5171207284 |
x86/cpufeatures: Make AVX-VNNI depend on AVX
The 'noxsave' boot option disables support for AVX, but support for the AVX-VNNI feature was still declared on CPUs that support it. Fix this. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Link: https://lore.kernel.org/r/20250220060124.89622-1-ebiggers@kernel.org |
||
|
Christian Brauner
|
4c7a22bda6
|
Merge patch series "fixes for uncached IO"
Two fixes for uncached IO. * patches from https://lore.kernel.org/r/20250218120209.88093-1-jefflexu@linux.alibaba.com: mm/truncate: don't skip dirty page in folio_unmap_invalidate() mm/filemap: fix miscalculated file range for filemap_fdatawrite_range_kick() Link: https://lore.kernel.org/r/20250218120209.88093-1-jefflexu@linux.alibaba.com Signed-off-by: Christian Brauner <brauner@kernel.org> |
||
|
Jingbo Xu
|
9272899880
|
mm/truncate: don't skip dirty page in folio_unmap_invalidate()
... otherwise this is a behavior change for the previous callers of
invalidate_complete_folio2(), e.g. the page invalidation routine.
Fixes:
|
||
|
Jingbo Xu
|
8510edf191
|
mm/filemap: fix miscalculated file range for filemap_fdatawrite_range_kick()
iocb->ki_pos has been updated with the number of written bytes since
generic_perform_write().
Besides __filemap_fdatawrite_range() accepts the inclusive end of the
data range.
Fixes:
|
||
|
Stephan Gerhold
|
e9a48ea4d9 |
irqchip/qcom-pdc: Workaround hardware register bug on X1E80100
On X1E80100, there is a hardware bug in the register logic of the
IRQ_ENABLE_BANK register: While read accesses work on the normal address,
all write accesses must be made to a shifted address. Without a workaround
for this, the wrong interrupt gets enabled in the PDC and it is impossible
to wakeup from deep suspend (CX collapse). This has not caused problems so
far, because the deep suspend state was not enabled. A workaround is
required now since work is ongoing to fix this.
The PDC has multiple "DRV" regions, each one has a size of 0x10000 and
provides the same set of registers for a particular client in the system.
Linux is one the clients and uses DRV region 2 on X1E. Each "bank" inside
the DRV region consists of 32 interrupt pins that can be enabled using the
IRQ_ENABLE_BANK register:
IRQ_ENABLE_BANK[bank] = base + IRQ_ENABLE_BANK + bank * sizeof(u32)
On X1E, this works as intended for read access. However, write access to
most banks is shifted by 2:
IRQ_ENABLE_BANK_X1E[0] = IRQ_ENABLE_BANK[-2]
IRQ_ENABLE_BANK_X1E[1] = IRQ_ENABLE_BANK[-1]
IRQ_ENABLE_BANK_X1E[2] = IRQ_ENABLE_BANK[0] = IRQ_ENABLE_BANK[2 - 2]
IRQ_ENABLE_BANK_X1E[3] = IRQ_ENABLE_BANK[1] = IRQ_ENABLE_BANK[3 - 2]
IRQ_ENABLE_BANK_X1E[4] = IRQ_ENABLE_BANK[2] = IRQ_ENABLE_BANK[4 - 2]
IRQ_ENABLE_BANK_X1E[5] = IRQ_ENABLE_BANK[5] (this one works as intended)
The negative indexes underflow to banks of the previous DRV/client region:
IRQ_ENABLE_BANK_X1E[drv 2][bank 0] = IRQ_ENABLE_BANK[drv 2][bank -2]
= IRQ_ENABLE_BANK[drv 1][bank 5-2]
= IRQ_ENABLE_BANK[drv 1][bank 3]
= IRQ_ENABLE_BANK[drv 1][bank 0 + 3]
IRQ_ENABLE_BANK_X1E[drv 2][bank 1] = IRQ_ENABLE_BANK[drv 2][bank -1]
= IRQ_ENABLE_BANK[drv 1][bank 5-1]
= IRQ_ENABLE_BANK[drv 1][bank 4]
= IRQ_ENABLE_BANK[drv 1][bank 1 + 3]
Introduce a workaround for the bug by matching the qcom,x1e80100-pdc
compatible and apply the offsets as shown above:
- Bank 0...1: previous DRV region, bank += 3
- Bank 1...4: our DRV region, bank -= 2
- Bank 5: our DRV region, no fixup required
The PDC node in the device tree only describes the DRV region for the Linux
client, but the workaround also requires to map parts of the previous DRV
region to issue writes there. To maintain compatibility with old device
trees, obtain the base address of the preceeding region by applying the
-0x10000 offset. Note that this is also more correct from a conceptual
point of view:
It does not really make use of the other region; it just issues shifted
writes that end up in the registers of the Linux associated DRV region 2.
Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/all/20250218-x1e80100-pdc-hw-wa-v2-1-29be4c98e355@linaro.org
|
||
|
Qu Wenruo
|
efa11fd269 |
btrfs: fix data overwriting bug during buffered write when block size < page size
[BUG]
When running generic/418 with a btrfs whose block size < page size
(subpage cases), it always fails.
And the following minimal reproducer is more than enough to trigger it
reliably:
workload()
{
mkfs.btrfs -s 4k -f $dev > /dev/null
dmesg -C
mount $dev $mnt
$fsstree_dir/src/dio-invalidate-cache -r -b 4096 -n 3 -i 1 -f $mnt/diotest
ret=$?
umount $mnt
stop_trace
if [ $ret -ne 0 ]; then
fail
fi
}
for (( i = 0; i < 1024; i++)); do
echo "=== $i/$runtime ==="
workload
done
[CAUSE]
With extra trace printk added to the following functions:
- btrfs_buffered_write()
* Which folio is touched
* The file offset (start) where the buffered write is at
* How many bytes are copied
* The content of the write (the first 2 bytes)
- submit_one_sector()
* Which folio is touched
* The position inside the folio
* The content of the page cache (the first 2 bytes)
- pagecache_isize_extended()
* The parameters of the function itself
* The parameters of the folio_zero_range()
Which are enough to show the problem:
22.158114: btrfs_buffered_write: folio pos=0 start=0 copied=4096 content=0x0101
22.158161: submit_one_sector: r/i=5/257 folio=0 pos=0 content=0x0101
22.158609: btrfs_buffered_write: folio pos=0 start=4096 copied=4096 content=0x0101
22.158634: btrfs_buffered_write: folio pos=0 start=8192 copied=4096 content=0x0101
22.158650: pagecache_isize_extended: folio=0 from=4096 to=8192 bsize=4096 zero off=4096 len=8192
22.158682: submit_one_sector: r/i=5/257 folio=0 pos=4096 content=0x0000
22.158686: submit_one_sector: r/i=5/257 folio=0 pos=8192 content=0x0101
The tool dio-invalidate-cache will start 3 threads, each doing a buffered
write with 0x01 at offset 0, 4096 and 8192, do a fsync, then do a direct read,
and compare the read buffer with the write buffer.
Note that all 3 btrfs_buffered_write() are writing the correct 0x01 into
the page cache.
But at submit_one_sector(), at file offset 4096, the content is zeroed
out, by pagecache_isize_extended().
The race happens like this:
Thread A is writing into range [4K, 8K).
Thread B is writing into range [8K, 12k).
Thread A | Thread B
-------------------------------------+------------------------------------
btrfs_buffered_write() | btrfs_buffered_write()
|- old_isize = 4K; | |- old_isize = 4096;
|- btrfs_inode_lock() | |
|- write into folio range [4K, 8K) | |
|- pagecache_isize_extended() | |
| extend isize from 4096 to 8192 | |
| no folio_zero_range() called | |
|- btrfs_inode_lock() | |
| |- btrfs_inode_lock()
| |- write into folio range [8K, 12K)
| |- pagecache_isize_extended()
| | calling folio_zero_range(4K, 8K)
| | This is caused by the old_isize is
| | grabbed too early, without any
| | inode lock.
| |- btrfs_inode_unlock()
The @old_isize is grabbed without inode lock, causing race between two
buffered write threads and making pagecache_isize_extended() to zero
range which is still containing cached data.
And this is only affecting subpage btrfs, because for regular blocksize
== page size case, the function pagecache_isize_extended() will do
nothing if the block size >= page size.
[FIX]
Grab the old i_size while holding the inode lock.
This means each buffered write thread will have a stable view of the
old inode size, thus avoid the above race.
CC: stable@vger.kernel.org # 5.15+
Fixes:
|
||
|
Qu Wenruo
|
b1bf18223a |
btrfs: output an error message if btrfs failed to find the seed fsid
[BUG]
If btrfs failed to locate the seed device for whatever reason, mounting
the sprouted device will fail without any meaning error message:
# mkfs.btrfs -f /dev/test/scratch1
# btrfstune -S1 /dev/test/scratch1
# mount /dev/test/scratch1 /mnt/btrfs
# btrfs dev add -f /dev/test/scratch2 /mnt/btrfs
# umount /mnt/btrfs
# btrfs dev scan -u
# btrfs mount /dev/test/scratch2 /mnt/btrfs
mount: /mnt/btrfs: fsconfig system call failed: No such file or directory.
dmesg(1) may have more information after failed mount system call.
# dmesg -t | tail -n6
BTRFS info (device dm-5): first mount of filesystem 64252ded-5953-4868-b962-cea48f7ac4ea
BTRFS info (device dm-5): using crc32c (crc32c-generic) checksum algorithm
BTRFS info (device dm-5): using free-space-tree
BTRFS error (device dm-5): failed to read chunk tree: -2
BTRFS error (device dm-5): open_ctree failed: -2
[CAUSE]
The failure to mount is pretty straight forward, just unable to find the
seed device and its fsid, caused by `btrfs dev scan -u`.
But the lack of any useful info is a problem.
[FIX]
Just add an extra error message in open_seed_devices() to indicate the
error.
Now the error message would look like this:
BTRFS info (device dm-4): first mount of filesystem 7769223d-4db1-4e4c-ac29-0a96f53576ab
BTRFS info (device dm-4): using crc32c (crc32c-generic) checksum algorithm
BTRFS info (device dm-4): using free-space-tree
BTRFS error (device dm-4): failed to find fsid e87c12e6-584b-4e98-8b88-962c33a619ff when attempting to open seed devices
BTRFS error (device dm-4): failed to read chunk tree: -2
BTRFS error (device dm-4): open_ctree failed: -2
Link: https://github.com/kdave/btrfs-progs/issues/959
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
|
||
|
Filipe Manana
|
15b3b3254d |
btrfs: do regular iput instead of delayed iput during extent map shrinking
The extent map shrinker now runs in the system unbound workqueue and no longer in kswapd context so it can directly do an iput() on inodes even if that blocks or needs to acquire any lock (we aren't holding any locks when requesting the delayed iput from the shrinker). So we don't need to add a delayed iput, wake up the cleaner and delegate the iput() to the cleaner, which also adds extra contention on the spinlock that protects the delayed iputs list. Reported-by: Ivan Shapovalov <intelfx@intelfx.name> Tested-by: Ivan Shapovalov <intelfx@intelfx.name> Link: https://lore.kernel.org/linux-btrfs/0414d690ac5680d0d77dfc930606cdc36e42e12f.camel@intelfx.name/ CC: stable@vger.kernel.org # 6.12+ Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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Filipe Manana
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c6c9c4d564 |
btrfs: skip inodes without loaded extent maps when shrinking extent maps
If there are inodes that don't have any loaded extent maps, we end up grabbing a reference on them and later adding a delayed iput, which wakes up the cleaner and makes it do unnecessary work. This is common when for example the inodes were open only to run stat(2) or all their extent maps were already released through the folio release callback (btrfs_release_folio()) or released by a previous run of the shrinker, or directories which never have extent maps. Reported-by: Ivan Shapovalov <intelfx@intelfx.name> Tested-by: Ivan Shapovalov <intelfx@intelfx.name> Link: https://lore.kernel.org/linux-btrfs/0414d690ac5680d0d77dfc930606cdc36e42e12f.camel@intelfx.name/ CC: stable@vger.kernel.org # 6.13+ Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |