Linus Torvalds b115d85a95 Locking changes in v6.4: ... - Introduce local{,64}_try_cmpxchg() - a slightly more optimal primitive, which will be used in perf events ring-buffer code. - Simplify/modify rwsems on PREEMPT_RT, to address writer starvation. - Misc cleanups/fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmRUvUoRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1hlIhAArP33rTKi+HAndQ3UHW3XtmHRxEEQTfiE wvIoN89h58QW4DGMeAV4ltafbIPQAkI233Aogwz903L0qbDV0Ro4OU3XJembRuWl LeOADKwYyypXdOa8XICuY9aIP7e1/h0DF3ySs7inLcwK9JCyAIxnsVHYej+hsRXA kZoXN98T3TR1C0V9UQy4SU3HI1lC3tsG3R9Ti9TnYUg3ygVXhRE9lOQ4kv9lFPVz BNuj2Blj7KNiVaY9kehrhO54THI7NmsCVZO44Rcl48I0KAcFulAmFcNlE7GnR8Nj thj38pU6XAFVHXG8MYjgE+Al+PnK48NtJxexCtHyGvGG4D2aLzRMnkolxAUCcVuK G+UBsQm3ybjYgHgt1zuN6ehcpT+5tULkDH8JA7vrgZYaVgxHzsUaHgYfCCWKnmUY mPR6aImEmYZwZVNLskhe0HT4mq244bp+VnWlnJ6LZK7t/itenvDhqnj7KTi4Bfej lTHplOTitV/8uCEW8V4pX+YTEenVsIQmTc/G3iIabXP/6HzLffA3q4vyW6vKIErE pqrpuFA0Z4GB+pU0mJXt7+I7zscDVthwI055jDyQBjA7IcdVGm2MjQ6xcNRW5FYN UynvaEMocue4ZO4WdFsd1ZBUd9VfoNzGQspBw46DhCL1MEQBYv36SKQNjej/9aRr ilVwqnOWI2s= =mM0A -----END PGP SIGNATURE----- Merge tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking updates from Ingo Molnar: - Introduce local{,64}_try_cmpxchg() - a slightly more optimal primitive, which will be used in perf events ring-buffer code - Simplify/modify rwsems on PREEMPT_RT, to address writer starvation - Misc cleanups/fixes * tag 'locking-core-2023-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/atomic: Correct (cmp)xchg() instrumentation locking/x86: Define arch_try_cmpxchg_local() locking/arch: Wire up local_try_cmpxchg() locking/generic: Wire up local{,64}_try_cmpxchg() locking/atomic: Add generic try_cmpxchg{,64}_local() support locking/rwbase: Mitigate indefinite writer starvation locking/arch: Rename all internal __xchg() names to __arch_xchg()		2023-05-05 12:56:55 -07:00
..
irqflag-debug.c
lock_events_list.h
lock_events.c
lock_events.h
lockdep_internals.h
lockdep_proc.c
lockdep_states.h
lockdep.c	locking/lockdep: Improve the deadlock scenario print for sync and read lock	2023-03-27 11:16:04 -07:00
locktorture.c	locktorture: Add raw_spinlock* torture tests for PREEMPT_RT kernels	2023-03-07 10:13:57 -08:00
Makefile	lockdep: allow instrumenting lockdep.c with KMSAN	2022-12-11 18:12:11 -08:00
mcs_spinlock.h
mutex-debug.c
mutex.c
mutex.h
osq_lock.c
percpu-rwsem.c	locking/percpu-rwsem: Add percpu_is_write_locked() and percpu_is_read_locked()	2022-08-30 10:56:23 +02:00
qrwlock.c	locking: Add __lockfunc to slow path functions	2022-08-19 19:47:51 +02:00
qspinlock_paravirt.h	locking: Add __lockfunc to slow path functions	2022-08-19 19:47:51 +02:00
qspinlock_stat.h
qspinlock.c	locking/qspinlock: Micro-optimize pending state waiting for unlock	2023-01-05 11:01:50 +01:00
rtmutex_api.c	rtmutex: Add acquire semantics for rtmutex lock acquisition slow path	2022-12-12 19:55:56 +01:00
rtmutex_common.h
rtmutex.c	rtmutex: Ensure that the top waiter is always woken up	2023-02-06 14:49:13 +01:00
rwbase_rt.c	locking/rwbase: Mitigate indefinite writer starvation	2023-04-29 09:08:52 +02:00
rwsem.c	locking/rwsem: Disable preemption in all down_write*() and up_write() code paths	2023-01-26 11:46:46 +01:00
semaphore.c	locking: Add __sched to semaphore functions	2022-09-15 16:14:03 +02:00
spinlock_debug.c
spinlock_rt.c
spinlock.c	locking/spinlocks: Mark spinlocks noinline when inline spinlocks are disabled	2022-08-04 11:05:43 +02:00
test-ww_mutex.c	locking: Reduce the number of locks in ww_mutex stress tests	2023-03-27 11:16:01 -07:00
ww_mutex.h
ww_rt_mutex.c