Linus Torvalds a5b1a017cb Locking changes for v6.9: ...

- 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
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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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

2024-03-11 18:33:03 -07:00

..

asm

Locking changes for v6.9:

2024-03-11 18:33:03 -07:00

uapi/asm

x86/cpu: Add X86_CR4_FRED macro

2024-01-31 22:00:38 +01:00