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linux/kernel/locking
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Linus Torvalds b4c5c57c2d Miscellaneous locking fixes and updates: 
- Fix a locking self-test FAIL on PREEMPT_RT kernels
  - Fix nr_unused_locks accounting bug
  - Simplify the split-lock debugging feature's fast-path
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2025-03-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc locking fixes and updates from Ingo Molnar:

 - Fix a locking self-test FAIL on PREEMPT_RT kernels

 - Fix nr_unused_locks accounting bug

 - Simplify the split-lock debugging feature's fast-path

* tag 'locking-urgent-2025-03-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/lockdep: Decrease nr_unused_locks if lock unused in zap_class()
  lockdep: Fix wait context check on softirq for PREEMPT_RT
  x86/split_lock: Simplify reenabling
2025-03-30 15:18:36 -07:00
..
irqflag-debug.c lockdep: Noinstr annotate warn_bogus_irq_restore() 2021-02-10 14:44:39 +01:00
lock_events.c locking/debug: Fix debugfs API return value checks to use IS_ERR() 2023-10-03 10:11:25 +02:00
lock_events.h locking/qspinlock: Always evaluate lockevent* non-event parameter once 2024-03-21 20:45:17 +01:00
lock_events_list.h bpf_res_spin_lock 2025-03-30 13:06:27 -07:00
lockdep.c locking/lockdep: Decrease nr_unused_locks if lock unused in zap_class() 2025-03-27 08:23:17 +01:00
lockdep_internals.h lockdep: Document MAX_LOCKDEP_CHAIN_HLOCKS calculation 2024-12-15 11:49:35 -08:00
lockdep_proc.c locking/lockdep: Simplify character output in seq_line() 2024-08-06 10:46:43 -07:00
lockdep_states.h locking/lockdep: Rework FS_RECLAIM annotation 2017-08-10 12:29:03 +02:00
locktorture.c rqspinlock: Add locktorture support 2025-03-19 08:03:05 -07:00
Makefile locking/lockdep: Disable KASAN instrumentation of lockdep.c 2025-03-08 00:55:03 +01:00
mcs_spinlock.h locking: Allow obtaining result of arch_mcs_spin_lock_contended 2025-03-19 08:03:04 -07:00
mutex-debug.c locking/mutex: Introduce devm_mutex_init() 2024-04-11 17:34:41 +01:00
mutex.c locking/mutex: Add MUTEX_WARN_ON() into fast path 2025-02-21 20:19:12 +01:00
mutex.h locking/mutex: Expose __mutex_owner() 2024-10-14 12:52:41 +02:00
osq_lock.c locking/osq_lock: Use atomic_try_cmpxchg_release() in osq_unlock() 2024-10-25 10:01:50 +02:00
percpu-rwsem.c locking/percpu-rwsem: Trigger contention tracepoints only if contended 2024-02-28 13:10:29 +01:00
qrwlock.c locking: Add __lockfunc to slow path functions 2022-08-19 19:47:51 +02:00
qspinlock.c locking: Move common qspinlock helpers to a private header 2025-03-19 08:02:29 -07:00
qspinlock.h locking: Move common qspinlock helpers to a private header 2025-03-19 08:02:29 -07:00
qspinlock_paravirt.h locking/pvqspinlock: Convert fields of 'enum vcpu_state' to uppercase 2024-10-17 21:21:16 -07:00
qspinlock_stat.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
rtmutex.c locking/lock_events: Add locking events for rtmutex slow paths 2025-03-08 00:55:03 +01:00
rtmutex_api.c locking/rtmutex: Make sure we wake anything on the wake_q when we release the lock->wait_lock 2024-12-17 17:47:24 +01:00
rtmutex_common.h locking/rtmutex: Use the 'struct' keyword in kernel-doc comment 2025-03-08 00:52:01 +01:00
rwbase_rt.c locking/mutex: Remove wakeups from under mutex::wait_lock 2024-10-14 12:52:40 +02:00
rwsem.c locking/mutex: Remove wakeups from under mutex::wait_lock 2024-10-14 12:52:40 +02:00
semaphore.c locking/semaphore: Use wake_q to wake up processes outside lock critical section 2025-03-08 00:52:01 +01:00
spinlock.c locking/spinlocks: Make __raw_* lock ops static 2024-10-07 09:28:35 +02:00
spinlock_debug.c sched.h: move pid helpers to pid.h 2023-12-20 19:26:31 -05:00
spinlock_rt.c Scheduler changes for v6.13: 2024-11-19 14:16:06 -08:00
test-ww_mutex.c locking/ww_mutex/test: Use swap() macro 2024-12-15 11:49:35 -08:00
ww_mutex.h locking/mutex: Make mutex::wait_lock irq safe 2024-10-14 12:52:40 +02:00
ww_rt_mutex.c locking/rtmutex: Avoid unconditional slowpath for DEBUG_RT_MUTEXES 2023-09-20 09:31:11 +02:00