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b324696dce
1202483 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
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b324696dce |
CSD lock commits for v6.5
This series reduces the number of stack traces dumped during CSD-lock debugging. This helps to avoid console overrun on systems with large numbers of CPUs. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmSxzCITHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jK3wD/9bNte4pbnG5CmJvu+bh1idbD+ZIyaU 13mTg1J35XurW/QlmbOKoNcdylvmE4QdzUxURXgv4FHO7wdiARBGgrz9ArKjgq+e NfklTr4EY9UbRb27tO1iJDUiP6ZZB3fw+gYs2zmJMkn5CqK+rkUrTdcMa8EFHvlT vf6OL8xeFjsrTCWfYTAYJU1Yp+0UOiO+BRwzq4u76Wzpex79EiMEE2lLeRZfXhz9 mF704EXn7VEkfRo50GlGOjVkezghlItXlaUCV2eQ4T6/LwXgreStCTKfhrDA5Qs2 mAQ5OMZJztlbUWcVrEPZMpQ6pXWaJx5qoMZ1uP8Obec89ocr+/DuL1Myyaau9g+H rCYA9Om4XfAd2JURrxOIlKQ7SmvRJNZWpv0DHizTfWpSTOumtON2RyVlC2EYwx9Q 2ZL4Eo99VzYcAXWx8KiGpF6CtW67VXKZsHwTtJegu4Vkjk9wOt5Sa9svhiHv0Kz4 veYE9XuOH5+tIfN6tP4eikI+4VJOVhudsOKiXCjhoscy+1/gtXRH5WgYwvSiopWo nEsj05V7U0hWdsPpu7niZ982vAU1eHC7EeQt+pc5f17NeNr51xG3Oj3xyy14yzFC TbEyOft0MEsJ8NkC93FCbNqere7dk6k+bxVqvoWQ5tDfsEhIaVn+HzVhPdsluvfP 1JixcSuqZ42RqA== =t4s8 -----END PGP SIGNATURE----- Merge tag 'csd-lock.2023.07.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull CSD lock updates from Paul McKenney: "This series reduces the number of stack traces dumped during CSD-lock debugging. This helps to avoid console overrun on systems with large numbers of CPUs" * tag 'csd-lock.2023.07.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: smp: Reduce NMI traffic from CSD waiters to CSD destination smp: Reduce logging due to dump_stack of CSD waiters |
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Linus Torvalds
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6ae0c15765 |
smp_call_function torture-test updates for v6.6
This pull request prevents some memory-exhaustion false-postitive failures in scftorture testing. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmTcFWYTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jBPhD/9jqgTgPuF3bmRVpkggIXHN0wCTihS9 BNQPaUdLRmTymtZAecaPOdRvPPMUvqjOK5dS8sx7rnoyU+qr33mUkRzSFCIrsGHM 62FowQ4grokOkQnJYUpVuLhitYwwmWi7aKi5T2Xolc4ooSIpWZe/NPoiteGkm4lc nuA84DcV51rRykjBjW3LIrffoi9fu3lU65FsAjQttG7OZwWmAjhhHl29loCPlG3F +Ui+0p+cp8WAB/2J0B/6aHTqK6JJoV0t/gzKpzYvI/Gydz/7PaYjdBhPCSxHcsXd LMf+OO5/LtGfw4kcYF/8O4Ir0t4F681iOXlz06op2P2OT90S0O31SGUWznKMVq3E V307I9LnfT5Jo2aK9xD4ad8GM9rMKb9btc284QvaYAjCUD5RBoyA/S1d6e0u9rt3 oK7rJWIG9bzCbZ7R7xXCzpkCYw98npVeDxS9gdwWSCA0vBwmhF8BbVQODZ/u+YQ0 TQyTSankebeaoINeieto0ZAbK9iDSbsnTmKZ146hoLGFshDFN7qPOL4PggXPqw5B CXILQH+SOjMO+JaIrd4iOr172REzp1/64K4szaheV4LxyEwC/QJBdxhajdpJOTOS LowIG+LIIElr8dPIiiEIBVAaTehadgqA1+5zIcevt8OSMb7KOoB6FkXKj/9kWOfD PwFfqskEYoY8xQ== =8rLK -----END PGP SIGNATURE----- Merge tag 'scftorture.2023.08.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull smp_call_function torture-test updates from Paul McKenney: "This prevents some memory-exhaustion false-postitive failures in scftorture testing" * tag 'scftorture.2023.08.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: scftorture: Add CONFIG_PREEMPT_DYNAMIC=n to NOPREEMPT scenario scftorture: Pause testing after memory-allocation failure scftorture: Forgive memory-allocation failure if KASAN torture: Scale scftorture memory based on number of CPUs |
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Linus Torvalds
|
68cadad11f |
RCU pull request for v6.6
doc.2023.07.14b: Documentation updates. fixes.2023.08.16a: Miscellaneous fixes, perhaps most notably simplifying SRCU_NOTIFIER_INIT() as suggested. rcu-tasks.2023.07.24a: RCU Tasks updates, most notably treating Tasks RCU callbacks as lazy while still treating synchronous grace periods as urgent. Also fixes one bug that restores the ability to apply debug-objects to RCU Tasks and another that fixes a race condition that could result in false-positive failures of the boot-time self-test code. rcuscale.2023.07.14b: RCU-scalability performance-test updates, most notably adding the ability to measure the RCU-Tasks's grace-period kthread's CPU consumption. This proved quite useful for the rcu-tasks.2023.07.24a work. refscale.2023.07.14b: Reference-acquisition/release performance-test updates, including a fix for an uninitialized wait_queue_head_t. torture.2023.08.14a: Miscellaneous torture-test updates. torturescripts.2023.07.20a: Torture-test scripting updates, including removal of the non-longer-functional formal-verification scripts, test builds of individual RCU Tasks flavors, better diagnostics for loss of connectivity for distributed rcutorture tests, disabling of reboot loops in qemu/KVM-based rcutorture testing, and passing of init parameters to rcutorture's init program. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmTjkssTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jITND/9zEqYNbeFrcBs/YaHdoAjsNgOt1IYN csfF/KArVgdvmrwlV/nEaQMLaJcw9X7DVU5+7E2JbbDaB/2FSacseNyKk6mfgSVK /0rnTOXpqI9/T1HiJObWZvDQFuKL12bfteXWGJg1sMt2JUGZ4nAWhdZ3xRjp2XkO 89qB5r0fF8gyGwvQ3M29ss8T9Oy0uUNJmDY/QyVxHM6dhkpSAezFffKzD7C4zkSV WucRTpYJ7bs6otBGtVmwz3x60UAuLwcVfQyB+CTbnGLsps9yAYU+1DDVdm7olcr3 ARXMeboeodMvy9jWXhtbWRVAAob4lVUDXQN27kb4sBgroRQBfQXMuByRAU6s0VtX frOl6rlbORuAetsC8wFL0IFVn4yTpvXKbYw7h1MXTs7gVVbl33O9FieGvWu0r79/ VR4Xw+JbmYWtyvFV8Zaq4iIEcOe+PeNH6u0bPx+htsHYd1+DUG2UY0MVmJQ3a4sb ygejA6mguCk7KBzWab8wdDpgAfhNwg0T9a+LQYcaskuD5SSWjYqqg6i1ulqqqyiE bOfRKDX4mWmAobWKHLssqUrjiLbxfygIaHjCrt7rWJKPIs1bK/WfWa4JbrE0NRwK 9IDd1lWc9C+zoUpjyZWSG3ahK5lWo2u4sPNoRtMQjowjobIz1cBhaEwmFe72bG7C FCKb7Da2oUaLOw== =EujZ -----END PGP SIGNATURE----- Merge tag 'rcu.2023.08.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull RCU updates from Paul McKenney: - Documentation updates - Miscellaneous fixes, perhaps most notably simplifying SRCU_NOTIFIER_INIT() as suggested - RCU Tasks updates, most notably treating Tasks RCU callbacks as lazy while still treating synchronous grace periods as urgent. Also fixes one bug that restores the ability to apply debug-objects to RCU Tasks and another that fixes a race condition that could result in false-positive failures of the boot-time self-test code - RCU-scalability performance-test updates, most notably adding the ability to measure the RCU-Tasks's grace-period kthread's CPU consumption. This proved quite useful for the RCU Tasks work - Reference-acquisition/release performance-test updates, including a fix for an uninitialized wait_queue_head_t - Miscellaneous torture-test updates - Torture-test scripting updates, including removal of the non-longer-functional formal-verification scripts, test builds of individual RCU Tasks flavors, better diagnostics for loss of connectivity for distributed rcutorture tests, disabling of reboot loops in qemu/KVM-based rcutorture testing, and passing of init parameters to rcutorture's init program * tag 'rcu.2023.08.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (64 commits) rcu: Use WRITE_ONCE() for assignments to ->next for rculist_nulls rcu: Make the rcu_nocb_poll boot parameter usable via boot config rcu: Mark __rcu_irq_enter_check_tick() ->rcu_urgent_qs load srcu,notifier: Remove #ifdefs in favor of SRCU Tiny srcu_usage rcutorture: Stop right-shifting torture_random() return values torture: Stop right-shifting torture_random() return values torture: Move stutter_wait() timeouts to hrtimers torture: Move torture_shuffle() timeouts to hrtimers torture: Move torture_onoff() timeouts to hrtimers torture: Make torture_hrtimeout_*() use TASK_IDLE torture: Add lock_torture writer_fifo module parameter torture: Add a kthread-creation callback to _torture_create_kthread() rcu-tasks: Fix boot-time RCU tasks debug-only deadlock rcu-tasks: Permit use of debug-objects with RCU Tasks flavors checkpatch: Complain about unexpected uses of RCU Tasks Trace torture: Cause mkinitrd.sh to indicate failure on compile errors torture: Make init program dump command-line arguments torture: Switch qemu from -nographic to -display none torture: Add init-program support for loongarch torture: Avoid torture-test reboot loops ... |
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Linus Torvalds
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727dbda16b |
hardening updates for v6.6-rc1
- Carve out the new CONFIG_LIST_HARDENED as a more focused subset of
CONFIG_DEBUG_LIST (Marco Elver).
- Fix kallsyms lookup failure under Clang LTO (Yonghong Song).
- Clarify documentation for CONFIG_UBSAN_TRAP (Jann Horn).
- Flexible array member conversion not carried in other tree (Gustavo
A. R. Silva).
- Various strlcpy() and strncpy() removals not carried in other trees
(Azeem Shaikh, Justin Stitt).
- Convert nsproxy.count to refcount_t (Elena Reshetova).
- Add handful of __counted_by annotations not carried in other trees,
as well as an LKDTM test.
- Fix build failure with gcc-plugins on GCC 14+.
- Fix selftests to respect SKIP for signal-delivery tests.
- Fix CFI warning for paravirt callback prototype.
- Clarify documentation for seq_show_option_n() usage.
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Merge tag 'hardening-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
"As has become normal, changes are scattered around the tree (either
explicitly maintainer Acked or for trivial stuff that went ignored):
- Carve out the new CONFIG_LIST_HARDENED as a more focused subset of
CONFIG_DEBUG_LIST (Marco Elver)
- Fix kallsyms lookup failure under Clang LTO (Yonghong Song)
- Clarify documentation for CONFIG_UBSAN_TRAP (Jann Horn)
- Flexible array member conversion not carried in other tree (Gustavo
A. R. Silva)
- Various strlcpy() and strncpy() removals not carried in other trees
(Azeem Shaikh, Justin Stitt)
- Convert nsproxy.count to refcount_t (Elena Reshetova)
- Add handful of __counted_by annotations not carried in other trees,
as well as an LKDTM test
- Fix build failure with gcc-plugins on GCC 14+
- Fix selftests to respect SKIP for signal-delivery tests
- Fix CFI warning for paravirt callback prototype
- Clarify documentation for seq_show_option_n() usage"
* tag 'hardening-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (23 commits)
LoadPin: Annotate struct dm_verity_loadpin_trusted_root_digest with __counted_by
kallsyms: Change func signature for cleanup_symbol_name()
kallsyms: Fix kallsyms_selftest failure
nsproxy: Convert nsproxy.count to refcount_t
integrity: Annotate struct ima_rule_opt_list with __counted_by
lkdtm: Add FAM_BOUNDS test for __counted_by
Compiler Attributes: counted_by: Adjust name and identifier expansion
um: refactor deprecated strncpy to memcpy
um: vector: refactor deprecated strncpy
alpha: Replace one-element array with flexible-array member
hardening: Move BUG_ON_DATA_CORRUPTION to hardening options
list: Introduce CONFIG_LIST_HARDENED
list_debug: Introduce inline wrappers for debug checks
compiler_types: Introduce the Clang __preserve_most function attribute
gcc-plugins: Rename last_stmt() for GCC 14+
selftests/harness: Actually report SKIP for signal tests
x86/paravirt: Fix tlb_remove_table function callback prototype warning
EISA: Replace all non-returning strlcpy with strscpy
perf: Replace strlcpy with strscpy
um: Remove strlcpy declaration
...
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Linus Torvalds
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b03a434214 |
seccomp updates for v6.6-rc1
- Provide USER_NOTIFY flag for synchronous mode (Andrei Vagin, Peter Oskolkov). This touches the scheduler and perf but has been Acked by Peter Zijlstra. - Fix regression in syscall skipping and restart tracing on arm32. This touches arch/arm/ but has been Acked by Arnd Bergmann. -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmTs418WHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJohpD/4tEfRdnb/KDgwQ7uvqBonUJXcx wqw17LZCGTpBV3/Tp3+aEseD1NezOxiMJL88VyUHSy7nfDJShbL6QtyoenwEOeXJ HmBUfcIH3cqRutHEJ3drYBzBetpeeK2G+gTYVj+JoEfPWyPf+Egj+1JE2n1xLi92 WC1miBAyBZ59kN+D1hcDzJu24CkAwbcUYlEzGejN5lBOwxYV3/fjARBVRvefOO5m jljSCIVJOFgCiybKhJ7Zw1+lkFc3cIlcOgr4/ZegSc8PxFVebnuImTHHp/gvoo6F 7d1xe5Hk+PSfNvVq41MAeRB2vK2tY5efwjXRarThUaydPTO43KiQm0dzP0EYWK9a LcOg8zAXZnpvuWU5O2SqUKADcxe2TjS1WuQ/Q4ixxgKz2kJKDwrNU8Frf327eLSR acfZgMMiUfEXyXDV9B3LzNAtwdvwyxYrzEzxgKywhThIhZmQDat0rI2IaTV5QIc5 pkxiFEe0TPwpzyUVO9dSzE+ughTmNQOKk5uAM9e2NwRwVdhEmlZAxo0kStJ1NoaA yDjYIKfaNBElchL4v2931KJFJseI+uRaWdW10JEV+1M69+gEAEs6wbmAxtcYS776 xWsYp3slXzlmeVyvQp/ah8p0y55r+qTbcnhkvIdiwLYei4Bh3KOoJUlVmW0V5dKq b+7qspIvBA0kKRAqPw== =DI8R -----END PGP SIGNATURE----- Merge tag 'seccomp-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull seccomp updates from Kees Cook: - Provide USER_NOTIFY flag for synchronous mode (Andrei Vagin, Peter Oskolkov). This touches the scheduler and perf but has been Acked by Peter Zijlstra. - Fix regression in syscall skipping and restart tracing on arm32. This touches arch/arm/ but has been Acked by Arnd Bergmann. * tag 'seccomp-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: seccomp: Add missing kerndoc notations ARM: ptrace: Restore syscall skipping for tracers ARM: ptrace: Restore syscall restart tracing selftests/seccomp: Handle arm32 corner cases better perf/benchmark: add a new benchmark for seccom_unotify selftest/seccomp: add a new test for the sync mode of seccomp_user_notify seccomp: add the synchronous mode for seccomp_unotify sched: add a few helpers to wake up tasks on the current cpu sched: add WF_CURRENT_CPU and externise ttwu seccomp: don't use semaphore and wait_queue together |
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Linus Torvalds
|
5b07aaca18 |
pstore updates for v6.6-rc1
- Greatly simplify compression support (Ard Biesheuvel). - Avoid crashes for corrupted offsets when prz size is 0 (Enlin Mu). - Expand range of usable record sizes (Yuxiao Zhang). - Fix kernel-doc warning (Matthew Wilcox). -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmTs5TUWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJkn8D/9mdBm32Wfx/if84YejxHJpzHmV nKPRgib89vNZdL5ORP02ZTonJBZn4NC7KtJfBHSfdoW1U+5GCC/cHOpECUHQui9Q CN22VFm37JdmBZq2+YmPug5y7z94wbFkD79otCR9VlMt5uwbNIGxUaI10fK2M97n 3avg/RZzz6kI9Y6BChZfBDLKXXi6ytnIRQOa9ZqZyDylN1nTLi8vqrxf0P8Am0jE 1s2GumYj54NuuNTdqvlz0XhTyCM5pk5omTqlq1VW9Trr0fLa2CLvEBWxWo8G7odC Yav5p8e0jX0GjDFM3NHPgRcXTcY0vkWGnJLdZGNyEkxPq96GH09j5rhFOIo9+KPz Y3fhYWzZyNWjy7YujWupDyL6lozWObhOcjBRnFmW7gJHjoO2G0GT2ufW2fb9cD4q fTGPiX2Fum1Zl6b0CXF+j4wDaazsBxGGAGzTqj7yp2Je0rPJPotd69q8LT2bbVcP ZahXJsFNn/YmVKv9MhNZjOuxGZoR4Cgco114V+sU5aYZMcZ68fQNzTzMydkbbdch SMapAV9a99H1D8ldT9dhm+HlKZFzIrOtBDrDoIbF4qQB8OWhjEK6Ot3oBbXvLl7w 72i1niDVRj+v/hUSc/7XYfZkUG7NYJQqXbaJp20LWvEs5OALdWRC3T6vXnvh53Qd 9ErztYLmF6k3W/h/xA== =bu02 -----END PGP SIGNATURE----- Merge tag 'pstore-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore updates from Kees Cook: - Greatly simplify compression support (Ard Biesheuvel) - Avoid crashes for corrupted offsets when prz size is 0 (Enlin Mu) - Expand range of usable record sizes (Yuxiao Zhang) - Fix kernel-doc warning (Matthew Wilcox) * tag 'pstore-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore: Fix kernel-doc warning pstore: Support record sizes larger than kmalloc() limit pstore/ram: Check start of empty przs during init pstore: Replace crypto API compression with zlib_deflate library calls pstore: Remove worst-case compression size logic |
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Linus Torvalds
|
547635c6ac |
for-6.6-tag
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Merge tag 'for-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"No new features, the bulk of the changes are fixes, refactoring and
cleanups. The notable fix is the scrub performance restoration after
rewrite in 6.4, though still only partial.
Fixes:
- scrub performance drop due to rewrite in 6.4 partially restored:
- do IO grouping by blg_plug/blk_unplug again
- avoid unnecessary tree searches when processing stripes, in
extent and checksum trees
- the drop is noticeable on fast PCIe devices, -66% and restored
to -33% of the original
- backports to 6.4 planned
- handle more corner cases of transaction commit during orphan
cleanup or delayed ref processing
- use correct fsid/metadata_uuid when validating super block
- copy directory permissions and time when creating a stub subvolume
Core:
- debugging feature integrity checker deprecated, to be removed in
6.7
- in zoned mode, zones are activated just before the write, making
error handling easier, now the overcommit mechanism can be enabled
again which improves performance by avoiding more frequent flushing
- v0 extent handling completely removed, deprecated long time ago
- error handling improvements
- tests:
- extent buffer bitmap tests
- pinned extent splitting tests
- cleanups and refactoring:
- compression writeback
- extent buffer bitmap
- space flushing, ENOSPC handling"
* tag 'for-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (110 commits)
btrfs: zoned: skip splitting and logical rewriting on pre-alloc write
btrfs: tests: test invalid splitting when skipping pinned drop extent_map
btrfs: tests: add a test for btrfs_add_extent_mapping
btrfs: tests: add extent_map tests for dropping with odd layouts
btrfs: scrub: move write back of repaired sectors to scrub_stripe_read_repair_worker()
btrfs: scrub: don't go ordered workqueue for dev-replace
btrfs: scrub: fix grouping of read IO
btrfs: scrub: avoid unnecessary csum tree search preparing stripes
btrfs: scrub: avoid unnecessary extent tree search preparing stripes
btrfs: copy dir permission and time when creating a stub subvolume
btrfs: remove pointless empty list check when reading delayed dir indexes
btrfs: drop redundant check to use fs_devices::metadata_uuid
btrfs: compare the correct fsid/metadata_uuid in btrfs_validate_super
btrfs: use the correct superblock to compare fsid in btrfs_validate_super
btrfs: simplify memcpy either of metadata_uuid or fsid
btrfs: add a helper to read the superblock metadata_uuid
btrfs: remove v0 extent handling
btrfs: output extra debug info if we failed to find an inline backref
btrfs: move the !zoned assert into run_delalloc_cow
btrfs: consolidate the error handling in run_delalloc_nocow
...
|
||
|
Linus Torvalds
|
f678c890c6 |
affs-for-6.6-tag
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Merge tag 'affs-for-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull affs updates from David Sterba:
"Two minor updates for AFFS:
- reimplement writepage() address space callback on top of
migrate_folio()
- fix a build warning, local parameters 'toupper' collide with the
standard ctype.h name"
* tag 'affs-for-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
affs: rename local toupper() to fn() to avoid confusion
affs: remove writepage implementation
|
||
|
Linus Torvalds
|
3bb156a556 |
fsverity updates for 6.6
Several cleanups for fs/verity/, including two commits that make the builtin signature support more cleanly separated from the base feature. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCZOwXSRQcZWJpZ2dlcnNA Z29vZ2xlLmNvbQAKCRDzXCl4vpKOK+kzAP9UsTtZjjQLvEDF6OYlysFLQppDrmk0 zh9iH/Z7qT8BQwEA0azRHW5/FDLvkHZWsU0QCLjDpUPrNHc712aeM1pLpgc= =zOdL -----END PGP SIGNATURE----- Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux Pull fsverity updates from Eric Biggers: "Several cleanups for fs/verity/, including two commits that make the builtin signature support more cleanly separated from the base feature" * tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux: fsverity: skip PKCS#7 parser when keyring is empty fsverity: move sysctl registration out of signature.c fsverity: simplify handling of errors during initcall fsverity: explicitly check that there is no algorithm 0 |
||
|
Linus Torvalds
|
cc0a38d0f6 |
fscrypt update for 6.6
Just a small documentation improvement. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCZOwUaRQcZWJpZ2dlcnNA Z29vZ2xlLmNvbQAKCRDzXCl4vpKOKyGLAQC3nfSZ/sNNyUwPV46yBWzIDTuKXuCD iyd6L1N99pwMiwD5AT0PAylP7xQew7sMBimLvFJLoATP0OPApGR241yH4wo= =CYAT -----END PGP SIGNATURE----- Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux Pull fscrypt update from Eric Biggers: "Just a small documentation improvement" * tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux: fscrypt: improve the "Encryption modes and usage" section |
||
|
Linus Torvalds
|
6016fc9162 |
New code for 6.6:
* Make large writes to the page cache fill sparse parts of the cache
with large folios, then use large memcpy calls for the large folio.
* Track the per-block dirty state of each large folio so that a
buffered write to a single byte on a large folio does not result in a
(potentially) multi-megabyte writeback IO.
* Allow some directio completions to be performed in the initiating
task's context instead of punting through a workqueue. This will
reduce latency for some io_uring requests.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'iomap-6.6-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap updates from Darrick Wong:
"We've got some big changes for this release -- I'm very happy to be
landing willy's work to enable large folios for the page cache for
general read and write IOs when the fs can make contiguous space
allocations, and Ritesh's work to track sub-folio dirty state to
eliminate the write amplification problems inherent in using large
folios.
As a bonus, io_uring can now process write completions in the caller's
context instead of bouncing through a workqueue, which should reduce
io latency dramatically. IOWs, XFS should see a nice performance bump
for both IO paths.
Summary:
- Make large writes to the page cache fill sparse parts of the cache
with large folios, then use large memcpy calls for the large folio.
- Track the per-block dirty state of each large folio so that a
buffered write to a single byte on a large folio does not result in
a (potentially) multi-megabyte writeback IO.
- Allow some directio completions to be performed in the initiating
task's context instead of punting through a workqueue. This will
reduce latency for some io_uring requests"
* tag 'iomap-6.6-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (26 commits)
iomap: support IOCB_DIO_CALLER_COMP
io_uring/rw: add write support for IOCB_DIO_CALLER_COMP
fs: add IOCB flags related to passing back dio completions
iomap: add IOMAP_DIO_INLINE_COMP
iomap: only set iocb->private for polled bio
iomap: treat a write through cache the same as FUA
iomap: use an unsigned type for IOMAP_DIO_* defines
iomap: cleanup up iomap_dio_bio_end_io()
iomap: Add per-block dirty state tracking to improve performance
iomap: Allocate ifs in ->write_begin() early
iomap: Refactor iomap_write_delalloc_punch() function out
iomap: Use iomap_punch_t typedef
iomap: Fix possible overflow condition in iomap_write_delalloc_scan
iomap: Add some uptodate state handling helpers for ifs state bitmap
iomap: Drop ifs argument from iomap_set_range_uptodate()
iomap: Rename iomap_page to iomap_folio_state and others
iomap: Copy larger chunks from userspace
iomap: Create large folios in the buffered write path
filemap: Allow __filemap_get_folio to allocate large folios
filemap: Add fgf_t typedef
...
|
||
|
Linus Torvalds
|
dd2c0198a8 |
Changes since last update:
- Support xattr bloom filter to optimize negative xattr lookups;
- Support DEFLATE compression algorithm as an alternative;
- Fix a regression that ztailpacking pclusters don't release properly;
- Avoid warning dedupe and fragments features anymore;
- Some folio conversions and cleanups.
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Merge tag 'erofs-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"In this cycle, a xattr bloom filter feature is introduced to speed up
negative xattr lookups, which was originally suggested by Alexander
for Composefs use cases.
Additionally, the DEFLATE algorithm is now supported, which can be
used together with hardware accelerators for our cloud workloads. Each
supported compression algorithm can be selected on a per-file basis
for specific access patterns too.
There are also some random fixes and cleanups as usual:
- Support xattr bloom filter to optimize negative xattr lookups
- Support DEFLATE compression algorithm as an alternative
- Fix a regression that ztailpacking pclusters don't release properly
- Avoid warning dedupe and fragments features anymore
- Some folio conversions and cleanups"
* tag 'erofs-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: release ztailpacking pclusters properly
erofs: don't warn dedupe and fragments features anymore
erofs: adapt folios for z_erofs_read_folio()
erofs: adapt folios for z_erofs_readahead()
erofs: get rid of fe->backmost for cache decompression
erofs: drop z_erofs_page_mark_eio()
erofs: tidy up z_erofs_do_read_page()
erofs: move preparation logic into z_erofs_pcluster_begin()
erofs: avoid obsolete {collector,collection} terms
erofs: simplify z_erofs_read_fragment()
erofs: remove redundant erofs_fs_type declaration in super.c
erofs: add necessary kmem_cache_create flags for erofs inode cache
erofs: clean up redundant comment and adjust code alignment
erofs: refine warning messages for zdata I/Os
erofs: boost negative xattr lookup with bloom filter
erofs: update on-disk format for xattr name filter
erofs: DEFLATE compression support
|
||
|
Linus Torvalds
|
f20ae9cf5b |
File locking fixes for v6.6
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEES8DXskRxsqGE6vXTAA5oQRlWghUFAmTngQgACgkQAA5oQRlW ghXfYg//cbUlOoba3RLBmKTeN68BWaLTIgeibJ17ioOSjVnxxMqyt4tLH3FD1pnT 2QisXiR3qrJav+sbwClpC23tafCHDfTo4uGbdXlehgAu4OSJ1+8gF2k1SsdAd4Qe tyfP1I2LO29/Yfres2Oy86JQi99Ds4slxjj63z/pYBdo4LEDJc83m/9limgMv4ro Geop6f9lV3Z03rOZIixQinMtOQTXW0NJbiXMEGzFS1Y05xQ34kX+v33MBAvtnbY9 nhbWuJKYlgZZhH5CghZUAvKfq2a4suvpZbnzmEZLJ0DdRE0h/4ctIxTSK8tnrq5d 07cs34NOGWljlguJc7cYotrKv51lu6yGbSCHyNdAEdBotuIXJ4Q3krAUHBnuGzy3 fa/a7nozRO7RDzshGTO4dBRerTEyS7bWUEnIhRp6BHR2ny9jhK6zMa1ys3eAMG4F 5a61AH/3qS+i8gQQSF9HFRyD+D0qDVMg2YCE/lKveF5tNBeKqrfj/Wz3HnY2zB/L luQY0esX5idWTH8YYJlntxgmWEZBvNgmuWcbDVu2Jj/jXUGP6S3dnY0MZio2Sbdr zM7/HenAkvXTlbtJsLmdGGZSMnINuiJi4sT2aYn/8JG4HbHFlAU89ILhIGrF3ayP 669VpO6g/DoEpVRyOnzC3MCHE09SWoiHcXo4VCsz/270uXOpcVs= =f9CF -----END PGP SIGNATURE----- Merge tag 'filelock-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux Pull file locking updates from Jeff Layton: - new functionality for F_OFD_GETLK: requesting a type of F_UNLCK will find info about whatever lock happens to be first in the given range, regardless of type. - an OFD lock selftest - bugfix involving a UAF in a tracepoint - comment typo fix * tag 'filelock-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux: locks: fix KASAN: use-after-free in trace_event_raw_event_filelock_lock fs/locks: Fix typo selftests: add OFD lock tests fs/locks: F_UNLCK extension for F_OFD_GETLK |
||
|
Linus Torvalds
|
b4a04f92a4 |
v6.6-fs.proc.uapi
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZOXT2QAKCRCRxhvAZXjc olkFAQCT4nRkRTpBvbiv4DgvCIy+URqLNfHGxCxdAX1B09o3UwEAyepf1tz7aFpB wB67V265JFDMWtvQkSx4ORNpAjZ9Kg0= =Opqi -----END PGP SIGNATURE----- Merge tag 'v6.6-fs.proc.uapi' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull procfs fixes from Christian Brauner: "Mode changes to files under /proc/<pid>/ aren't supported ever since commit |
||
|
Linus Torvalds
|
2e0afa7e78 |
v6.6-vfs.autofs
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||
|
Linus Torvalds
|
475d4df827 |
v6.6-vfs.fchmodat2
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZOXT7QAKCRCRxhvAZXjc ort3AP0VIK/oJk5skgjpinQrCfvtVz0XOtawuBtn0f1weIfb6AD9Hg1rqOKnQD5z dkvn3xaEr3gPOVzqU5SvFwVoCM0cMwA= =24Ha -----END PGP SIGNATURE----- Merge tag 'v6.6-vfs.fchmodat2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull fchmodat2 system call from Christian Brauner: "This adds the fchmodat2() system call. It is a revised version of the fchmodat() system call, adding a missing flag argument. Support for both AT_SYMLINK_NOFOLLOW and AT_EMPTY_PATH are included. Adding this system call revision has been a longstanding request but so far has always fallen through the cracks. While the kernel implementation of fchmodat() does not have a flag argument the libc provided POSIX-compliant fchmodat(3) version does. Both glibc and musl have to implement a workaround in order to support AT_SYMLINK_NOFOLLOW (see [1] and [2]). The workaround is brittle because it relies not just on O_PATH and O_NOFOLLOW semantics and procfs magic links but also on our rather inconsistent symlink semantics. This gives userspace a proper fchmodat2() system call that libcs can use to properly implement fchmodat(3) and allows them to get rid of their hacks. In this case it will immediately benefit them as the current workaround is already defunct because of aformentioned inconsistencies. In addition to AT_SYMLINK_NOFOLLOW, give userspace the ability to use AT_EMPTY_PATH with fchmodat2(). This is already possible with fchownat() so there's no reason to not also support it for fchmodat2(). The implementation is simple and comes with selftests. Implementation of the system call and wiring up the system call are done as separate patches even though they could arguably be one patch. But in case there are merge conflicts from other system call additions it can be beneficial to have separate patches" Link: https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/fchmodat.c;h=17eca54051ee28ba1ec3f9aed170a62630959143;hb=a492b1e5ef7ab50c6fdd4e4e9879ea5569ab0a6c#l35 [1] Link: https://git.musl-libc.org/cgit/musl/tree/src/stat/fchmodat.c?id=718f363bc2067b6487900eddc9180c84e7739f80#n28 [2] * tag 'v6.6-vfs.fchmodat2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: selftests: fchmodat2: remove duplicate unneeded defines fchmodat2: add support for AT_EMPTY_PATH selftests: Add fchmodat2 selftest arch: Register fchmodat2, usually as syscall 452 fs: Add fchmodat2() Non-functional cleanup of a "__user * filename" |
||
|
Linus Torvalds
|
511fb5bafe |
v6.6-vfs.super
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Merge tag 'v6.6-vfs.super' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull superblock updates from Christian Brauner:
"This contains the super rework that was ready for this cycle. The
first part changes the order of how we open block devices and allocate
superblocks, contains various cleanups, simplifications, and a new
mechanism to wait on superblock state changes.
This unblocks work to ultimately limit the number of writers to a
block device. Jan has already scheduled follow-up work that will be
ready for v6.7 and allows us to restrict the number of writers to a
given block device. That series builds on this work right here.
The second part contains filesystem freezing updates.
Overview:
The generic superblock changes are rougly organized as follows
(ignoring additional minor cleanups):
(1) Removal of the bd_super member from struct block_device.
This was a very odd back pointer to struct super_block with
unclear rules. For all relevant places we have other means to get
the same information so just get rid of this.
(2) Simplify rules for superblock cleanup.
Roughly, everything that is allocated during fs_context
initialization and that's stored in fs_context->s_fs_info needs
to be cleaned up by the fs_context->free() implementation before
the superblock allocation function has been called successfully.
After sget_fc() returned fs_context->s_fs_info has been
transferred to sb->s_fs_info at which point sb->kill_sb() if
fully responsible for cleanup. Adhering to these rules means that
cleanup of sb->s_fs_info in fill_super() is to be avoided as it's
brittle and inconsistent.
Cleanup shouldn't be duplicated between sb->put_super() as
sb->put_super() is only called if sb->s_root has been set aka
when the filesystem has been successfully born (SB_BORN). That
complexity should be avoided.
This also means that block devices are to be closed in
sb->kill_sb() instead of sb->put_super(). More details in the
lower section.
(3) Make it possible to lookup or create a superblock before opening
block devices
There's a subtle dependency on (2) as some filesystems did rely
on fill_super() to be called in order to correctly clean up
sb->s_fs_info. All these filesystems have been fixed.
(4) Switch most filesystem to follow the same logic as the generic
mount code now does as outlined in (3).
(5) Use the superblock as the holder of the block device. We can now
easily go back from block device to owning superblock.
(6) Export and extend the generic fs_holder_ops and use them as
holder ops everywhere and remove the filesystem specific holder
ops.
(7) Call from the block layer up into the filesystem layer when the
block device is removed, allowing to shut down the filesystem
without risk of deadlocks.
(8) Get rid of get_super().
We can now easily go back from the block device to owning
superblock and can call up from the block layer into the
filesystem layer when the device is removed. So no need to wade
through all registered superblock to find the owning superblock
anymore"
Link: https://lore.kernel.org/lkml/20230824-prall-intakt-95dbffdee4a0@brauner/
* tag 'v6.6-vfs.super' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (47 commits)
super: use higher-level helper for {freeze,thaw}
super: wait until we passed kill super
super: wait for nascent superblocks
super: make locking naming consistent
super: use locking helpers
fs: simplify invalidate_inodes
fs: remove get_super
block: call into the file system for ioctl BLKFLSBUF
block: call into the file system for bdev_mark_dead
block: consolidate __invalidate_device and fsync_bdev
block: drop the "busy inodes on changed media" log message
dasd: also call __invalidate_device when setting the device offline
amiflop: don't call fsync_bdev in FDFMTBEG
floppy: call disk_force_media_change when changing the format
block: simplify the disk_force_media_change interface
nbd: call blk_mark_disk_dead in nbd_clear_sock_ioctl
xfs use fs_holder_ops for the log and RT devices
xfs: drop s_umount over opening the log and RT devices
ext4: use fs_holder_ops for the log device
ext4: drop s_umount over opening the log device
...
|
||
|
Linus Torvalds
|
de16588a77 |
v6.6-vfs.misc
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Merge tag 'v6.6-vfs.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"This contains the usual miscellaneous features, cleanups, and fixes
for vfs and individual filesystems.
Features:
- Block mode changes on symlinks and rectify our broken semantics
- Report file modifications via fsnotify() for splice
- Allow specifying an explicit timeout for the "rootwait" kernel
command line option. This allows to timeout and reboot instead of
always waiting indefinitely for the root device to show up
- Use synchronous fput for the close system call
Cleanups:
- Get rid of open-coded lockdep workarounds for async io submitters
and replace it all with a single consolidated helper
- Simplify epoll allocation helper
- Convert simple_write_begin and simple_write_end to use a folio
- Convert page_cache_pipe_buf_confirm() to use a folio
- Simplify __range_close to avoid pointless locking
- Disable per-cpu buffer head cache for isolated cpus
- Port ecryptfs to kmap_local_page() api
- Remove redundant initialization of pointer buf in pipe code
- Unexport the d_genocide() function which is only used within core
vfs
- Replace printk(KERN_ERR) and WARN_ON() with WARN()
Fixes:
- Fix various kernel-doc issues
- Fix refcount underflow for eventfds when used as EFD_SEMAPHORE
- Fix a mainly theoretical issue in devpts
- Check the return value of __getblk() in reiserfs
- Fix a racy assert in i_readcount_dec
- Fix integer conversion issues in various functions
- Fix LSM security context handling during automounts that prevented
NFS superblock sharing"
* tag 'v6.6-vfs.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (39 commits)
cachefiles: use kiocb_{start,end}_write() helpers
ovl: use kiocb_{start,end}_write() helpers
aio: use kiocb_{start,end}_write() helpers
io_uring: use kiocb_{start,end}_write() helpers
fs: create kiocb_{start,end}_write() helpers
fs: add kerneldoc to file_{start,end}_write() helpers
io_uring: rename kiocb_end_write() local helper
splice: Convert page_cache_pipe_buf_confirm() to use a folio
libfs: Convert simple_write_begin and simple_write_end to use a folio
fs/dcache: Replace printk and WARN_ON by WARN
fs/pipe: remove redundant initialization of pointer buf
fs: Fix kernel-doc warnings
devpts: Fix kernel-doc warnings
doc: idmappings: fix an error and rephrase a paragraph
init: Add support for rootwait timeout parameter
vfs: fix up the assert in i_readcount_dec
fs: Fix one kernel-doc comment
docs: filesystems: idmappings: clarify from where idmappings are taken
fs/buffer.c: disable per-CPU buffer_head cache for isolated CPUs
vfs, security: Fix automount superblock LSM init problem, preventing NFS sb sharing
...
|
||
|
Linus Torvalds
|
ecd7db2047 |
v6.6-vfs.tmpfs
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Merge tag 'v6.6-vfs.tmpfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull libfs and tmpfs updates from Christian Brauner:
"This cycle saw a lot of work for tmpfs that required changes to the
vfs layer. Andrew, Hugh, and I decided to take tmpfs through vfs this
cycle. Things will go back to mm next cycle.
Features
========
- By far the biggest work is the quota support for tmpfs. New tmpfs
quota infrastructure is added to support it and a new QFMT_SHMEM
uapi option is exposed.
This offers user and group quotas to tmpfs (project quotas will be
added later). Similar to other filesystems tmpfs quota are not
supported within user namespaces yet.
- Add support for user xattrs. While tmpfs already supports security
xattrs (security.*) and POSIX ACLs for a long time it lacked
support for user xattrs (user.*). With this pull request tmpfs will
be able to support a limited number of user xattrs.
This is accompanied by a fix (see below) to limit persistent simple
xattr allocations.
- Add support for stable directory offsets. Currently tmpfs relies on
the libfs provided cursor-based mechanism for readdir. This causes
issues when a tmpfs filesystem is exported via NFS.
NFS clients do not open directories. Instead, each server-side
readdir operation opens the directory, reads it, and then closes
it. Since the cursor state for that directory is associated with
the opened file it is discarded after each readdir operation. Such
directory offsets are not just cached by NFS clients but also
various userspace libraries based on these clients.
As it stands there is no way to invalidate the caches when
directory offsets have changed and the whole application depends on
unchanging directory offsets.
At LSFMM we discussed how to solve this problem and decided to
support stable directory offsets. libfs now allows filesystems like
tmpfs to use an xarrary to map a directory offset to a dentry. This
mechanism is currently only used by tmpfs but can be supported by
others as well.
Fixes
=====
- Change persistent simple xattrs allocations in libfs from
GFP_KERNEL to GPF_KERNEL_ACCOUNT so they're subject to memory
cgroup limits. Since this is a change to libfs it affects both
tmpfs and kernfs.
- Correctly verify {g,u}id mount options.
A new filesystem context is created via fsopen() which records the
namespace that becomes the owning namespace of the superblock when
fsconfig(FSCONFIG_CMD_CREATE) is called for filesystems that are
mountable in namespaces. However, fsconfig() calls can occur in a
namespace different from the namespace where fsopen() has been
called.
Currently, when fsconfig() is called to set {g,u}id mount options
the requested {g,u}id is mapped into a k{g,u}id according to the
namespace where fsconfig() was called from. The resulting k{g,u}id
is not guaranteed to be resolvable in the namespace of the
filesystem (the one that fsopen() was called in).
This means it's possible for an unprivileged user to create files
owned by any group in a tmpfs mount since it's possible to set the
setid bits on the tmpfs directory.
The contract for {g,u}id mount options and {g,u}id values in
general set from userspace has always been that they are translated
according to the caller's idmapping. In so far, tmpfs has been
doing the correct thing. But since tmpfs is mountable in
unprivileged contexts it is also necessary to verify that the
resulting {k,g}uid is representable in the namespace of the
superblock to avoid such bugs.
The new mount api's cross-namespace delegation abilities are
already widely used. Having talked to a bunch of userspace this is
the most faithful solution with minimal regression risks"
* tag 'v6.6-vfs.tmpfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
tmpfs,xattr: GFP_KERNEL_ACCOUNT for simple xattrs
mm: invalidation check mapping before folio_contains
tmpfs: trivial support for direct IO
tmpfs,xattr: enable limited user extended attributes
tmpfs: track free_ispace instead of free_inodes
xattr: simple_xattr_set() return old_xattr to be freed
tmpfs: verify {g,u}id mount options correctly
shmem: move spinlock into shmem_recalc_inode() to fix quota support
libfs: Remove parent dentry locking in offset_iterate_dir()
libfs: Add a lock class for the offset map's xa_lock
shmem: stable directory offsets
shmem: Refactor shmem_symlink()
libfs: Add directory operations for stable offsets
shmem: fix quota lock nesting in huge hole handling
shmem: Add default quota limit mount options
shmem: quota support
shmem: prepare shmem quota infrastructure
quota: Check presence of quota operation structures instead of ->quota_read and ->quota_write callbacks
shmem: make shmem_get_inode() return ERR_PTR instead of NULL
shmem: make shmem_inode_acct_block() return error
|
||
|
Linus Torvalds
|
615e95831e |
v6.6-vfs.ctime
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Merge tag 'v6.6-vfs.ctime' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs timestamp updates from Christian Brauner:
"This adds VFS support for multi-grain timestamps and converts tmpfs,
xfs, ext4, and btrfs to use them. This carries acks from all relevant
filesystems.
The VFS always uses coarse-grained timestamps when updating the ctime
and mtime after a change. This has the benefit of allowing filesystems
to optimize away a lot of metadata updates, down to around 1 per
jiffy, even when a file is under heavy writes.
Unfortunately, this has always been an issue when we're exporting via
NFSv3, which relies on timestamps to validate caches. A lot of changes
can happen in a jiffy, so timestamps aren't sufficient to help the
client decide to invalidate the cache.
Even with NFSv4, a lot of exported filesystems don't properly support
a change attribute and are subject to the same problems with timestamp
granularity. Other applications have similar issues with timestamps
(e.g., backup applications).
If we were to always use fine-grained timestamps, that would improve
the situation, but that becomes rather expensive, as the underlying
filesystem would have to log a lot more metadata updates.
This introduces fine-grained timestamps that are used when they are
actively queried.
This uses the 31st bit of the ctime tv_nsec field to indicate that
something has queried the inode for the mtime or ctime. When this flag
is set, on the next mtime or ctime update, the kernel will fetch a
fine-grained timestamp instead of the usual coarse-grained one.
As POSIX generally mandates that when the mtime changes, the ctime
must also change the kernel always stores normalized ctime values, so
only the first 30 bits of the tv_nsec field are ever used.
Filesytems can opt into this behavior by setting the FS_MGTIME flag in
the fstype. Filesystems that don't set this flag will continue to use
coarse-grained timestamps.
Various preparatory changes, fixes and cleanups are included:
- Fixup all relevant places where POSIX requires updating ctime
together with mtime. This is a wide-range of places and all
maintainers provided necessary Acks.
- Add new accessors for inode->i_ctime directly and change all
callers to rely on them. Plain accesses to inode->i_ctime are now
gone and it is accordingly rename to inode->__i_ctime and commented
as requiring accessors.
- Extend generic_fillattr() to pass in a request mask mirroring in a
sense the statx() uapi. This allows callers to pass in a request
mask to only get a subset of attributes filled in.
- Rework timestamp updates so it's possible to drop the @now
parameter the update_time() inode operation and associated helpers.
- Add inode_update_timestamps() and convert all filesystems to it
removing a bunch of open-coding"
* tag 'v6.6-vfs.ctime' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (107 commits)
btrfs: convert to multigrain timestamps
ext4: switch to multigrain timestamps
xfs: switch to multigrain timestamps
tmpfs: add support for multigrain timestamps
fs: add infrastructure for multigrain timestamps
fs: drop the timespec64 argument from update_time
xfs: have xfs_vn_update_time gets its own timestamp
fat: make fat_update_time get its own timestamp
fat: remove i_version handling from fat_update_time
ubifs: have ubifs_update_time use inode_update_timestamps
btrfs: have it use inode_update_timestamps
fs: drop the timespec64 arg from generic_update_time
fs: pass the request_mask to generic_fillattr
fs: remove silly warning from current_time
gfs2: fix timestamp handling on quota inodes
fs: rename i_ctime field to __i_ctime
selinux: convert to ctime accessor functions
security: convert to ctime accessor functions
apparmor: convert to ctime accessor functions
sunrpc: convert to ctime accessor functions
...
|
||
|
Linus Torvalds
|
84ab1277ce |
v6.6-vfs.fs_context
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Merge tag 'v6.6-vfs.fs_context' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull mount API updates from Christian Brauner:
"This introduces FSCONFIG_CMD_CREATE_EXCL which allows userspace to
implement something like
$ mount -t ext4 --exclusive /dev/sda /B
which fails if a superblock for the requested filesystem does already
exist instead of silently reusing an existing superblock.
Without it, in the sequence
$ move-mount -f xfs -o source=/dev/sda4 /A
$ move-mount -f xfs -o noacl,source=/dev/sda4 /B
the initial mounter will create a superblock. The second mounter will
reuse the existing superblock, creating a bind-mount (see [1] for the
source of the move-mount binary).
The problem is that reusing an existing superblock means all mount
options other than read-only and read-write will be silently ignored
even if they are incompatible requests. For example, the second mount
has requested no POSIX ACL support but since the existing superblock
is reused POSIX ACL support will remain enabled.
Such silent superblock reuse can easily become a security issue.
After adding support for FSCONFIG_CMD_CREATE_EXCL to mount(8) in
util-linux this can be fixed:
$ move-mount -f xfs --exclusive -o source=/dev/sda4 /A
$ move-mount -f xfs --exclusive -o noacl,source=/dev/sda4 /B
Device or resource busy | move-mount.c: 300: do_fsconfig: i xfs: reusing existing filesystem not allowed
This requires the new mount api. With the old mount api it would be
necessary to plumb this through every legacy filesystem's
file_system_type->mount() method. If they want this feature they are
most welcome to switch to the new mount api"
Link: https://github.com/brauner/move-mount-beneath [1]
Link: https://lore.kernel.org/linux-block/20230704-fasching-wertarbeit-7c6ffb01c83d@brauner
Link: https://lore.kernel.org/linux-block/20230705-pumpwerk-vielversprechend-a4b1fd947b65@brauner
Link: https://lore.kernel.org/linux-fsdevel/20230725-einnahmen-warnschilder-17779aec0a97@brauner
Link: https://lore.kernel.org/lkml/20230824-anzog-allheilmittel-e8c63e429a79@brauner/
* tag 'v6.6-vfs.fs_context' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs: add FSCONFIG_CMD_CREATE_EXCL
fs: add vfs_cmd_reconfigure()
fs: add vfs_cmd_create()
super: remove get_tree_single_reconf()
|
||
|
Linus Torvalds
|
2dde18cd1d | Linux 6.5 | ||
|
Linus Torvalds
|
85eb043618 |
SCSI fixes on 20230827
Three small driver fixes and one larger unused function set removal in the raid class (so no external impact). Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCZOr0iCYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishaV8AQDtFvZp KI3GW2x6XjZeXVW3buQVmwLmdBfIIx0yDZGLqAEAm8qZGROMsMhBCvK/iizjsrir KerWJQ1LU9oMcjbesuk= =z12E -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Three small driver fixes and one larger unused function set removal in the raid class (so no external impact)" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: snic: Fix double free in snic_tgt_create() scsi: core: raid_class: Remove raid_component_add() scsi: ufs: ufs-qcom: Clear qunipro_g4_sel for HW major version > 5 scsi: ufs: mcq: Fix the search/wrap around logic |
||
|
Linus Torvalds
|
28f20a1929 |
Fix an FPU invalidation bug on exec(), and fix a performance
regression due to a missing setting of X86_FEATURE_OSXSAVE. Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmTqO5ARHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gXvA//dBph3091OIibZ23n+3eJODmcItKV9TBK fJmlKrfY4q3zsbt4WRQKplTVfRRGZviNzoL1S6nEHMBQ9NFAZjPETRmnpypfS6VM Hd093iIYN1LWvL549FJdAwB1jJQdzuYCys8qAvmhjJUzHJhO2QRgFoiI6BCuiu4U LoyBRKakLQRLCCirfXBjlb0BPpXnHHeIiuOn+xrxJphCyjcnS5bE1ud54g9ws+Ji neYZ/kMpqj+zHsMHQkNNwPuW+WyBKlM1O2yax1OFwjKQnIUuq2qdL/YICj+Yr67A 8EpTSOx4XPNROqu32Roa0WsFQy9OloaZLNRAdIjR+jf1jeSwBbY3QCvghnzOojTa jnPvrvAf9e0AOVt94FmYaygtraybVp4lwem1/eqKQMarWGZtQmZV7VTLooqG81jH +I/rkNvTyHrhv9qICzvD2AkT9AK5Ayo/d6O3F7OHN1/tcbQCs/jGGF4vUGsKf9WB HULb9wE6cdBQYah6my6jzVFDkBcFLH/mbigQXHO5MX4bwuA5bZdwwkOFVtd/J8dN dsvF5a7i+qpK3bVCInilUs20gzymDEsqOQm78IDLYOSW/sOS29cNOdO52/jk2YB/ 8pDp1tpgdghR6oTagP6PUERFU6m4XAnMz68yfyugiCSsB9V6Srp3H7yQXbD1aLBA /iz4x4rZq0o= =bPF+ -----END PGP SIGNATURE----- Merge tag 'x86-urgent-2023-08-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: "Fix an FPU invalidation bug on exec(), and fix a performance regression due to a missing setting of X86_FEATURE_OSXSAVE" * tag 'x86-urgent-2023-08-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fpu: Set X86_FEATURE_OSXSAVE feature after enabling OSXSAVE in CR4 x86/fpu: Invalidate FPU state correctly on exec() |
||
|
Linus Torvalds
|
3b35375f19 |
A last minute fix for a regression introduced in the v6.5 merge window. The
conversion of the software based interrupt resend mechanism to hlist missed to add a check whether the descriptor is already enqueued and dropped the interrupt descriptor lookup for nested interrupts. The missing check whether the descriptor is already queued causes hlist corruption and can be observed in the wild. The dropped parent descriptor lookup has not yet caused problems, but it would result in stale interrupt line in the worst case. Add the missing enqueued check and bring the descriptor lookup back to cure this. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmTqNLQTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoTeBD/0b8zbNhmO5TXhP6GrCPXahFM6aTmyK NveZMzh1c7tQZzMBNNEnRoaYvmcgPOviZ1Yi3+/Hs3oaR/b6nLt36K8+MRC7J+15 j6cIylmpTp9eH5Na3IT1wmTNfCVAdoejoZVYq4PPHAHUrzqu7ESOTLzHbPmWS97E VGdvUrKnQ7J4ajOZn7bXWaia+qCuIij87CYAKH++c9JVMIc0iTs2Zd7FG2sncgLm OJdvjmMy/qN9a1jYdM4DrGOS8HBdvuYb9EEDuZB4NEY3nBR+svQqBHsD462LgxNe +OTzLBVMoP9heKbyTU9357PUq2qz6OmpC0vE1n5XgkSEdrvm9x1UjYcPQnagRm25 JZp/pEI/ryD8oGQNWzsPe7PDyyKHV5F0Q1KPHGUvvEJxwF+USVe9Zm6damfZvGeA dp34zYg0mFCH0hmqdYs6+cc8sJcEy8aR8FFUgI1Uj5nr9zZ3vV7WTsOjJ12NDFo/ L+oDKz6/sdL2X/EKddP3ffQrImPF8DdSYfEPmoukTMhihfgXewBlgvg3b9HekVVm 9j7UhqsQw/mdPcTpkM6cd5ngxB71X64gMjAfotwsproJg/EUw978CM++9sGKmKy8 jU7hlgZQ3DniSCyCpXB/7vZxAFej8TKTWmTc4KZYKiMfej2vqI3FjA3KLGY6GzK+ ls/Rm57EOhKZlw== =Snax -----END PGP SIGNATURE----- Merge tag 'irq-urgent-2023-08-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fix from Thomas Gleixner: "A last minute fix for a regression introduced in the v6.5 merge window. The conversion of the software based interrupt resend mechanism to hlist missed to add a check whether the descriptor is already enqueued and dropped the interrupt descriptor lookup for nested interrupts. The missing check whether the descriptor is already queued causes hlist corruption and can be observed in the wild. The dropped parent descriptor lookup has not yet caused problems, but it would result in stale interrupt line in the worst case. Add the missing enqueued check and bring the descriptor lookup back to cure this" * tag 'irq-urgent-2023-08-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Fix software resend lockup and nested resend |
||
|
Linus Torvalds
|
c313761337 |
LoongArch fixes for v6.5-final
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||
Johan Hovold
|
9f5deb5516 |
genirq: Fix software resend lockup and nested resend
The switch to using hlist for managing software resend of interrupts
broke resend in at least two ways:
First, unconditionally adding interrupt descriptors to the resend list can
corrupt the list when the descriptor in question has already been
added. This causes the resend tasklet to loop indefinitely with interrupts
disabled as was recently reported with the Lenovo ThinkPad X13s after
threaded NAPI was disabled in the ath11k WiFi driver.
This bug is easily fixed by restoring the old semantics of irq_sw_resend()
so that it can be called also for descriptors that have already been marked
for resend.
Second, the offending commit also broke software resend of nested
interrupts by simply discarding the code that made sure that such
interrupts are retriggered using the parent interrupt.
Add back the corresponding code that adds the parent descriptor to the
resend list.
Fixes:
|
||
Huacai Chen
|
9730870b48 |
LoongArch: Fix hw_breakpoint_control() for watchpoints
In hw_breakpoint_control(), encode_ctrl_reg() has already encoded the MWPnCFG3_LoadEn/MWPnCFG3_StoreEn bits in info->ctrl. We don't need to add (1 << MWPnCFG3_LoadEn | 1 << MWPnCFG3_StoreEn) unconditionally. Otherwise we can't set read watchpoint and write watchpoint separately. Cc: stable@vger.kernel.org Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
||
|
Huacai Chen
|
656f9aec07 |
LoongArch: Ensure FP/SIMD registers in the core dump file is up to date
This is a port of commit
|
||
|
Linus Torvalds
|
7d2f353b26 |
One clk driver fix and two clk framework fixes
- Fix an OOB access when devm_get_clk_from_child() is used and
devm_clk_release() casts the void pointer to the wrong type
- Move clk_rate_exclusive_{get,put}() within the correct ifdefs in
clk.h so that the stubs are used when CONFIG_COMMON_CLK=n
- Register the proper clk provider function depending on the value of
#clock-cells in the TI keystone driver
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"One clk driver fix and two clk framework fixes:
- Fix an OOB access when devm_get_clk_from_child() is used and
devm_clk_release() casts the void pointer to the wrong type
- Move clk_rate_exclusive_{get,put}() within the correct ifdefs in
clk.h so that the stubs are used when CONFIG_COMMON_CLK=n
- Register the proper clk provider function depending on the value of
#clock-cells in the TI keystone driver"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: Fix slab-out-of-bounds error in devm_clk_release()
clk: Fix undefined reference to `clk_rate_exclusive_{get,put}'
clk: keystone: syscon-clk: Fix audio refclk
|
||
Kees Cook
|
5f536ac6a5 |
LoadPin: Annotate struct dm_verity_loadpin_trusted_root_digest with __counted_by
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct dm_verity_loadpin_trusted_root_digest. Additionally, since the element count member must be set before accessing the annotated flexible array member, move its initialization earlier. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Alasdair Kergon <agk@redhat.com> Cc: Mike Snitzer <snitzer@kernel.org> Cc: dm-devel@redhat.com Cc: Paul Moore <paul@paul-moore.com> Cc: James Morris <jmorris@namei.org> Cc: "Serge E. Hallyn" <serge@hallyn.com> Cc: linux-security-module@vger.kernel.org Link: https://lore.kernel.org/r/20230817235955.never.762-kees@kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> |
||
Yonghong Song
|
76903a9648 |
kallsyms: Change func signature for cleanup_symbol_name()
All users of cleanup_symbol_name() do not use the return value. So let us change the return value of cleanup_symbol_name() to 'void' to reflect its usage pattern. Suggested-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Yonghong Song <yonghong.song@linux.dev> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/20230825202036.441212-1-yonghong.song@linux.dev Signed-off-by: Kees Cook <keescook@chromium.org> |
||
Helge Deller
|
382d4cd184 |
lib/clz_ctz.c: Fix __clzdi2() and __ctzdi2() for 32-bit kernels
The gcc compiler translates on some architectures the 64-bit
__builtin_clzll() function to a call to the libgcc function __clzdi2(),
which should take a 64-bit parameter on 32- and 64-bit platforms.
But in the current kernel code, the built-in __clzdi2() function is
defined to operate (wrongly) on 32-bit parameters if BITS_PER_LONG ==
32, thus the return values on 32-bit kernels are in the range from
[0..31] instead of the expected [0..63] range.
This patch fixes the in-kernel functions __clzdi2() and __ctzdi2() to
take a 64-bit parameter on 32-bit kernels as well, thus it makes the
functions identical for 32- and 64-bit kernels.
This bug went unnoticed since kernel 3.11 for over 10 years, and here
are some possible reasons for that:
a) Some architectures have assembly instructions to count the bits and
which are used instead of calling __clzdi2(), e.g. on x86 the bsr
instruction and on ppc cntlz is used. On such architectures the
wrong __clzdi2() implementation isn't used and as such the bug has
no effect and won't be noticed.
b) Some architectures link to libgcc.a, and the in-kernel weak
functions get replaced by the correct 64-bit variants from libgcc.a.
c) __builtin_clzll() and __clzdi2() doesn't seem to be used in many
places in the kernel, and most likely only in uncritical functions,
e.g. when printing hex values via seq_put_hex_ll(). The wrong return
value will still print the correct number, but just in a wrong
formatting (e.g. with too many leading zeroes).
d) 32-bit kernels aren't used that much any longer, so they are less
tested.
A trivial testcase to verify if the currently running 32-bit kernel is
affected by the bug is to look at the output of /proc/self/maps:
Here the kernel uses a correct implementation of __clzdi2():
root@debian:~# cat /proc/self/maps
00010000-00019000 r-xp 00000000 08:05 787324 /usr/bin/cat
00019000-0001a000 rwxp 00009000 08:05 787324 /usr/bin/cat
0001a000-0003b000 rwxp 00000000 00:00 0 [heap]
f7551000-f770d000 r-xp 00000000 08:05 794765 /usr/lib/hppa-linux-gnu/libc.so.6
...
and this kernel uses the broken implementation of __clzdi2():
root@debian:~# cat /proc/self/maps
0000000010000-0000000019000 r-xp 00000000 000000008:000000005 787324 /usr/bin/cat
0000000019000-000000001a000 rwxp 000000009000 000000008:000000005 787324 /usr/bin/cat
000000001a000-000000003b000 rwxp 00000000 00:00 0 [heap]
00000000f73d1000-00000000f758d000 r-xp 00000000 000000008:000000005 794765 /usr/lib/hppa-linux-gnu/libc.so.6
...
Signed-off-by: Helge Deller <deller@gmx.de>
Fixes:
|
||
|
Linus Torvalds
|
6f0edbb833 |
18 hotfixes. 13 are cc:stable and the remainder pertain to post-6.4 issues
or aren't considered suitable for a -stable backport. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZOjuGgAKCRDdBJ7gKXxA jkLlAQDY9sYxhQZp1PFLirUIPeOBjEyifVy6L6gCfk9j0snLggEA2iK+EtuJt2Dc SlMfoTq29zyU/YgfKKwZEVKtPJZOHQU= =oTcj -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2023-08-25-11-07' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "18 hotfixes. 13 are cc:stable and the remainder pertain to post-6.4 issues or aren't considered suitable for a -stable backport" * tag 'mm-hotfixes-stable-2023-08-25-11-07' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: shmem: fix smaps BUG sleeping while atomic selftests: cachestat: catch failing fsync test on tmpfs selftests: cachestat: test for cachestat availability maple_tree: disable mas_wr_append() when other readers are possible madvise:madvise_free_pte_range(): don't use mapcount() against large folio for sharing check madvise:madvise_free_huge_pmd(): don't use mapcount() against large folio for sharing check madvise:madvise_cold_or_pageout_pte_range(): don't use mapcount() against large folio for sharing check mm: multi-gen LRU: don't spin during memcg release mm: memory-failure: fix unexpected return value in soft_offline_page() radix tree: remove unused variable mm: add a call to flush_cache_vmap() in vmap_pfn() selftests/mm: FOLL_LONGTERM need to be updated to 0x100 nilfs2: fix general protection fault in nilfs_lookup_dirty_data_buffers() mm/gup: handle cont-PTE hugetlb pages correctly in gup_must_unshare() via GUP-fast selftests: cgroup: fix test_kmem_basic less than error mm: enable page walking API to lock vmas during the walk smaps: use vm_normal_page_pmd() instead of follow_trans_huge_pmd() mm/gup: reintroduce FOLL_NUMA as FOLL_HONOR_NUMA_FAULT |
||
|
Yonghong Song
|
33f0467fe0 |
kallsyms: Fix kallsyms_selftest failure
Kernel test robot reported a kallsyms_test failure when clang lto is enabled (thin or full) and CONFIG_KALLSYMS_SELFTEST is also enabled. I can reproduce in my local environment with the following error message with thin lto: [ 1.877897] kallsyms_selftest: Test for 1750th symbol failed: (tsc_cs_mark_unstable) addr=ffffffff81038090 [ 1.877901] kallsyms_selftest: abort It appears that commit |
||
|
Linus Torvalds
|
4942fed84b |
RISC-V Fixes for 6.5-rc8
* The vector ucontext extension has been extended with vlenb.
* The vector registers ELF core dump note type has been changed to avoid
aliasing with the CSR type used in embedded systems.
* Support for accessing vector registers via ptrace() has been reverted.
* Another build fix for the ISA spec changes around Zifencei/Zicsr that
manifests on some systems built with binutils-2.37 and gcc-11.2.
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Merge tag 'riscv-for-linus-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"This is obviously not ideal, particularly for something this late in
the cycle.
Unfortunately we found some uABI issues in the vector support while
reviewing the GDB port, which has triggered a revert -- probably a
good sign we should have reviewed GDB before merging this, I guess I
just dropped the ball because I was so worried about the context
extension and libc suff I forgot. Hence the late revert.
There's some risk here as we're still exposing the vector context for
signal handlers, but changing that would have meant reverting all of
the vector support. The issues we've found so far have been fixed
already and they weren't absolute showstoppers, so we're essentially
just playing it safe by holding ptrace support for another release (or
until we get through a proper userspace code review).
Summary:
- The vector ucontext extension has been extended with vlenb
- The vector registers ELF core dump note type has been changed to
avoid aliasing with the CSR type used in embedded systems
- Support for accessing vector registers via ptrace() has been
reverted
- Another build fix for the ISA spec changes around Zifencei/Zicsr
that manifests on some systems built with binutils-2.37 and
gcc-11.2"
* tag 'riscv-for-linus-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix build errors using binutils2.37 toolchains
RISC-V: vector: export VLENB csr in __sc_riscv_v_state
RISC-V: Remove ptrace support for vectors
|
||
|
Linus Torvalds
|
98c6b8a558 |
gpio fixes for v6.5
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||
|
Linus Torvalds
|
a87eaffbb2 |
Pin control fixes for the v6.5 kernel:
- Fix DT parsing and related locking in the Renesas driver.
- Fix wakeup IRQs in the AMD driver once again. Really tricky
this one.
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Merge tag 'pinctrl-v6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Here are some Renesas and AMD driver fixes, the AMD fix affects
important laptops in the wild so this one is pretty important. It
seems a bit tough to get this right.
- Fix DT parsing and related locking in the Renesas driver.
- Fix wakeup IRQs in the AMD driver once again. Really tricky this
one"
* tag 'pinctrl-v6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: amd: Mask wake bits on probe again
pinctrl: renesas: rza2: Add lock around pinctrl_generic{{add,remove}_group,{add,remove}_function}
pinctrl: renesas: rzv2m: Fix NULL pointer dereference in rzv2m_dt_subnode_to_map()
pinctrl: renesas: rzg2l: Fix NULL pointer dereference in rzg2l_dt_subnode_to_map()
|
||
|
Linus Torvalds
|
ced5bf2493 |
sound fixes for 6.5
Hopefully the last bits for 6.5. It's slightly higher LOCs than wished, but it doesn't look scary. The biggest change is MAINTAINERS update for TI; it's good to have the update before the final release, so that people can contact to the right persons for bug reports (which shouldn't happen of course!) The rest are all device-specific fixes and quirks, most for various ASoC platforms. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmToW88OHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE+sfw//XFkB7lB6zudDCWY5orGhTKF8kVefgm17vvIi ya4KkSpo8C1K756s7G7LKpUb6GVXcSnvThVUPnNmP2cZNGEkK4vWS7jmQZhEX7fU tF0s+6qSY1wCBq9feOvV8KARVNyAXBEOC+4Xz+zpkipypnS+by2r1C1o5GALxiUs MGCAuAi9G8sLgzoELuFRM5cv6fbiBGmLd3PMaZ8RVNXCXr2vfrgZhDUrItYelKAU L64L2nsOR6ZATzEDUbdM7gBy1U7u3dwI+hpX06WsdqN4kWkjV+jCrvWaQtpEtntY zjlUGrElVnQFy0KUtFRRYvQCDwjj+E6HFGhp8dLe4DLl61da1kD1m47i0jB9pS/Q AUVOzaZfjZJ6goBFg4Y9i+4UqTjQ4sOIB/L1mEmI9SC75hLE1fMUfZFalLqUmkLd U61ZmE9sQ5Y6g4f6fcde0TKh5Fq4yjCgtVa0D/KvWAZ0H+1O9ECI8qbgLg5xIC45 yDQaOSv6Q8xx5FtB/44QK06Hf3Jkg7ajvY/+eyb6wA2VXF6Ntzd/GGzcepeOI/dh M5FdJVyGqrFI9dUgcEsGWFWijUYQFRSHLdRtqHToBi/GUlS7IwbC18t5G3Dd5MQv A74Xat7IfLjHboR3Iv28WtUZEGwzoGsnuSBMT/Qyuno7oFlPHJ2iVDnWftt1BWCK ZADn3GI= =9D1D -----END PGP SIGNATURE----- Merge tag 'sound-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Hopefully the last bits for 6.5. It's slightly higher LOCs than wished, but it doesn't look scary. The biggest change is MAINTAINERS update for TI; it's good to have the update before the final release, so that people can contact to the right persons for bug reports (which shouldn't happen of course!) The rest are all device-specific fixes and quirks, most for various ASoC platforms" * tag 'sound-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ASoC: amd: yc: Fix a non-functional mic on Lenovo 82SJ ALSA: ymfpci: Fix the missing snd_card_free() call at probe error ASoC: cs35l41: Correct amp_gain_tlv values ASoC: amd: yc: Add VivoBook Pro 15 to quirks list for acp6x ASoC: tas2781: fixed register access error when switching to other chips ASoC: cs35l56: Add an ACPI match table ASoC: cs35l56: Read firmware uuid from a device property instead of _SUB ASoC: SOF: ipc4-pcm: fix possible null pointer deference MAINTAINERS: Add entries for TEXAS INSTRUMENTS ASoC DRIVERS |
||
Tiezhu Yang
|
c337c849ab |
LoongArch: Put the body of play_dead() into arch_cpu_idle_dead()
The initial aim is to silence the following objtool warning: arch/loongarch/kernel/process.o: warning: objtool: arch_cpu_idle_dead() falls through to next function start_thread() According to tools/objtool/Documentation/objtool.txt, this is because the last instruction of arch_cpu_idle_dead() is a call to a noreturn function play_dead(). In order to silence the warning, one simple way is to add the noreturn function play_dead() to objtool's hard-coded global_noreturns array, that is to say, just put "NORETURN(play_dead)" into tools/objtool/noreturns.h, it works well. But I noticed that play_dead() is only defined once and only called by arch_cpu_idle_dead(), so put the body of play_dead() into the caller arch_cpu_idle_dead(), then remove the noreturn function play_dead() is an alternative way which can reduce the overhead of the function call at the same time. Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
||
|
Tiezhu Yang
|
8879515e12 |
LoongArch: Add identifier names to arguments of die() declaration
Add identifier names to arguments of die() declaration in ptrace.h to fix the following checkpatch warnings: WARNING: function definition argument 'const char *' should also have an identifier name WARNING: function definition argument 'struct pt_regs *' should also have an identifier name Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
||
|
Tiezhu Yang
|
a038ae7148 |
LoongArch: Return earlier in die() if notify_die() returns NOTIFY_STOP
After the call to oops_exit(), it should not panic or execute the crash kernel if the oops is to be suppressed. Suggested-by: Maciej W. Rozycki <macro@orcam.me.uk> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
||
|
Tiezhu Yang
|
6933c11fb5 |
LoongArch: Do not kill the task in die() if notify_die() returns NOTIFY_STOP
If notify_die() returns NOTIFY_STOP, honor the return value from the
handler chain invocation in die() and return without killing the task
as, through a debugger, the fault may have been fixed. It makes sense
even if ignoring the event will make the system unstable: by allowing
access through a debugger it has been compromised already anyway. It
makes our port consistent with x86, arm64, riscv and csky.
Commit
|
||
Masahiro Yamada
|
a746ceb1f3 |
LoongArch: Remove <asm/export.h>
All *.S files under arch/loongarch/ have been converted to include <linux/export.h> instead of <asm/export.h>. Remove <asm/export.h>. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
||
|
Masahiro Yamada
|
55b46ff939 |
LoongArch: Replace #include <asm/export.h> with #include <linux/export.h>
Commit
|
||
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Masahiro Yamada
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347aa8dec2 |
LoongArch: Remove unneeded #include <asm/export.h>
There is no EXPORT_SYMBOL() line there, hence #include <asm/export.h> is unneeded. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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WANG Xuerui
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3f301dc292 |
LoongArch: Replace -ffreestanding with finer-grained -fno-builtin's
As explained by Nick in the original issue: the kernel usually does a good job of providing library helpers that have similar semantics as their ordinary userspace libc equivalents, but -ffreestanding disables such libcall optimization and other related features in the compiler, which can lead to unexpected things such as CONFIG_FORTIFY_SOURCE not working (!). However, due to the desire for better control over unaligned accesses with respect to CONFIG_ARCH_STRICT_ALIGN, and also for avoiding the GCC bug https://gcc.gnu.org/PR109465, we do want to still disable optimizations for the memory libcalls (memcpy, memmove and memset for now). Use finer-grained -fno-builtin-* toggles to achieve this without losing source fortification and other libcall optimizations. Closes: https://github.com/ClangBuiltLinux/linux/issues/1897 Reported-by: Nathan Chancellor <nathan@kernel.org> Suggested-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: WANG Xuerui <git@xen0n.name> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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Xi Ruoyao
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b8e2771b7f |
LoongArch: Remove redundant "source drivers/firmware/Kconfig"
In drivers/Kconfig, drivers/firmware/Kconfig is sourced for all ports so there is no need to source it in the port-specific Kconfig file. And sourcing it here also caused the "Firmware Drivers" menu appeared two times: one in the "Device Drivers" menu, another in the toplevel menu. This is really puzzling so remove it. Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Xi Ruoyao <xry111@xry111.site> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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Linus Torvalds
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beaa71d6e6 |
drm fixes for 6.5-rc8
core: - add a HPD poll helper i915: - fix regression in i915 polling - fix docs build warning - fix DG2 idle power consumption bridge: - samsung-dsim: init fix panfrost: - fix speed binning issue dma-buf: - fix recursive lock in fence signal vmwgfx: - fix shader stage validation - fix NULL ptr derefs in gem put -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmToGlAACgkQDHTzWXnE hr677A//effILD7P6UcIppk9NdlB5oIKI+4JSwHH8fczUuPQFQJeapGsEYEhcyvt c2antucbC1pNuJ4xWwasWFQFf5hQGxITpCl+0ZaxcmwRU8lRxvWA4R8eqN9gnL+g Do2l9ObDRN2jSfS5z0Gbn21hSlji93k5M+Xa4CgAI2bnKFNkECVxY3nUJS7eMgQd wlsE70gQwbaNW9cA+sg43XS/6wwy78Mn876AWFoCb7IWKfmlvq53KhQykoWuZYEv 2dRTQmnQWeftQcADuX9fHMVVmIcETcSv1v7QmnlGAty0Pvx0UbYMgdYuIistwzgg HxwgWJYTlPAXnVU2+/yRGJkstqB3yUvshKsaILPwQ/Xhm+vJ6/d0tV4WocfBGjm4 AEvzwrNWqVl8ArjvoUHpUaHxo4OD64buR4oEGl5TpaLjQsGgtSs32JcZzioFq8kk 8ETtcS8rrzRFiy3+5bGTD6TlBm9177UdIUXv4dJUUNrPKgqHJzpCBNaewZkGKU2h Zp1hkFbzcEl8d2/QMzqtv6Thn873CEvekIG65U4xxDq5Q1WO6OcghV7ctt67+4Qz xJferKo9tmns8zuZMfyC6/JP12roN7Q3LdFB0JM0Sbw6G+pmy3Sa/ye4c/IMOM2M 3xjCSK76f6oVgEiSkNp83Gf6hHvllM4vWzIZu3/fSRhUId3o8fY= =ZLyj -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2023-08-25' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "A bit bigger than I'd care for, but it's mostly a single vmwgfx fix and a fix for an i915 hotplug probing. Otherwise misc i915, bridge, panfrost and dma-buf fixes. core: - add a HPD poll helper i915: - fix regression in i915 polling - fix docs build warning - fix DG2 idle power consumption bridge: - samsung-dsim: init fix panfrost: - fix speed binning issue dma-buf: - fix recursive lock in fence signal vmwgfx: - fix shader stage validation - fix NULL ptr derefs in gem put" * tag 'drm-fixes-2023-08-25' of git://anongit.freedesktop.org/drm/drm: drm/i915: Fix HPD polling, reenabling the output poll work as needed drm: Add an HPD poll helper to reschedule the poll work drm/vmwgfx: Fix possible invalid drm gem put calls drm/vmwgfx: Fix shader stage validation dma-buf/sw_sync: Avoid recursive lock during fence signal drm/i915: fix Sphinx indentation warning drm/i915/dgfx: Enable d3cold at s2idle drm/display/dp: Fix the DP DSC Receiver cap size drm/panfrost: Skip speed binning on EOPNOTSUPP drm: bridge: samsung-dsim: Fix init during host transfer |
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Takashi Iwai
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37e44d60cb |
ASoC: Quirk for v6.5
One additional fix for v6.5, an additional quirk. As with the other fixes this could wait for the merge window. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmTn0QgACgkQJNaLcl1U h9Al3Af9H6ZmSqK8N0KqLriCo/5dw49w32+85dUC1byVE0az7VXxzTKpzn+JPEii xGygWWEUvflbAOm5A8zp11GBizTr9IalnlLnnHFEIt0Zii8YfVrhe+eaRuZLFzxu c3rjNhRWoIIEVAnitF9cZrBk+eQC/pjLDP/1VQLaaYGlDkB3OKhbhWUMrCIaX2Um Y5XeBHbUnvBtKV2w2UQRoS8dCfT/OrtckmQ7I7U73PbFVtjg+TPzoYe58uuPV21n 4GT/qpYA/Pb5walxOw2bP3JP+1MBFrK/MenzihZ/Eb4JAlzBSdfFn6uyOvJGmQL1 nzBjKWE67xen4E64rTiDF6jYD7bSrg== =reaf -----END PGP SIGNATURE----- Merge tag 'asoc-fix-v6.5-rc7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Quirk for v6.5 One additional fix for v6.5, an additional quirk. As with the other fixes this could wait for the merge window. |