Alexei Starovoitov 4957089a23 locking/local_lock: Introduce local_lock_is_locked(). ...

Introduce local_lock_is_locked() that returns true when
given local_lock is locked by current cpu (in !PREEMPT_RT) or
by current task (in PREEMPT_RT).
The goal is to detect a deadlock by the caller.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>

2025-09-29 09:42:35 +02:00

..

irqflag-debug.c

lockdep: Noinstr annotate warn_bogus_irq_restore()

2021-02-10 14:44:39 +01:00

lock_events_list.h

Merge tag 'bpf_res_spin_lock' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

2025-03-30 13:06:27 -07:00

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

lockdep_internals.h

locking/lockdep: Change 'static const' variables to enum values

2025-07-14 21:57:29 -07:00

lockdep_proc.c

locking/lockdep: Avoid struct return in lock_stats()

2025-07-14 21:57:20 -07:00

lockdep_states.h

locking/lockdep: Rework FS_RECLAIM annotation

2017-08-10 12:29:03 +02:00

lockdep.c

lockdep: Speed up lockdep_unregister_key() with expedited RCU synchronization

2025-07-14 21:57:29 -07:00

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: Add p->blocked_on wrappers for correctness checks

2025-07-14 17:16:32 +02:00

mutex.c

Merge tag 'locking-core-2025-07-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2025-07-29 18:11:32 -07:00

mutex.h

sched: Start blocked_on chain processing in find_proxy_task()

2025-07-14 17:16:33 +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: add freezable alternative to down_read

2025-04-07 09:37:16 +02:00

qrwlock.c

locking: Add __lockfunc to slow path functions

2022-08-19 19:47:51 +02:00

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

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

rtmutex_api.c

locking/rtmutex: Move max_lock_depth into rtmutex.c

2025-07-23 11:52:47 +02:00

rtmutex_common.h

locking/local_lock: Introduce local_lock_is_locked().

2025-09-29 09:42:35 +02:00

rtmutex.c

locking/lock_events: Add locking events for rtmutex slow paths

2025-03-08 00:55:03 +01:00

rwbase_rt.c

locking/mutex: Remove wakeups from under mutex::wait_lock

2024-10-14 12:52:40 +02:00

rwsem.c

Merge tag 'mm-nonmm-stable-2025-08-03-12-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2025-08-03 16:23:09 -07:00

semaphore.c

hung_task: show the blocker task if the task is hung on semaphore

2025-05-11 17:54:08 -07:00

spinlock_debug.c

sched.h: move pid helpers to pid.h

2023-12-20 19:26:31 -05:00

spinlock_rt.c

Merge tag 'sched-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2024-11-19 14:16:06 -08:00

spinlock.c

locking/spinlocks: Make __raw_* lock ops static

2024-10-07 09:28:35 +02:00

test-ww_mutex.c

locking/ww_mutex/test: Use swap() macro

2024-12-15 11:49:35 -08:00

ww_mutex.h

locking: Fix __clear_task_blocked_on() warning from __ww_mutex_wound() path

2025-08-13 10:34:54 +02:00

ww_rt_mutex.c

locking/rtmutex: Avoid unconditional slowpath for DEBUG_RT_MUTEXES

2023-09-20 09:31:11 +02:00