diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-11 18:33:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-11 18:33:03 -0700 |
| commit | a5b1a017cb76e4898dd62fcb97e8aee6a63b33b5 (patch) | |
| tree | af38e275caeceed23ec5dea73cf71aa7818da75b /scripts/atomic/kerneldoc/cmpxchg | |
| parent | b0402403e54ae9eb94ce1cbb53c7def776e97426 (diff) | |
| parent | ce3576ebd62d99f79c1dc98824e2ef6d6ab68434 (diff) | |
Merge tag 'locking-core-2024-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
- Micro-optimize local_xchg() and the rtmutex code on x86
- Fix percpu-rwsem contention tracepoints
- Simplify debugging Kconfig dependencies
- Update/clarify the documentation of atomic primitives
- Misc cleanups
* tag 'locking-core-2024-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rtmutex: Use try_cmpxchg_relaxed() in mark_rt_mutex_waiters()
locking/x86: Implement local_xchg() using CMPXCHG without the LOCK prefix
locking/percpu-rwsem: Trigger contention tracepoints only if contended
locking/rwsem: Make DEBUG_RWSEMS and PREEMPT_RT mutually exclusive
locking/rwsem: Clarify that RWSEM_READER_OWNED is just a hint
locking/mutex: Simplify <linux/mutex.h>
locking/qspinlock: Fix 'wait_early' set but not used warning
locking/atomic: scripts: Clarify ordering of conditional atomics
Diffstat (limited to 'scripts/atomic/kerneldoc/cmpxchg')
| -rw-r--r-- | scripts/atomic/kerneldoc/cmpxchg | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/scripts/atomic/kerneldoc/cmpxchg b/scripts/atomic/kerneldoc/cmpxchg index 3bce328f50cf..02b24ee9d8a4 100644 --- a/scripts/atomic/kerneldoc/cmpxchg +++ b/scripts/atomic/kerneldoc/cmpxchg @@ -6,6 +6,7 @@ cat <<EOF * @new: ${int} value to assign * * If (@v == @old), atomically updates @v to @new with ${desc_order} ordering. + * Otherwise, @v is not modified and relaxed ordering is provided. * * ${desc_noinstr} * |