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Searched refs:top_waiter (Results 1 – 5 of 5) sorted by relevance

/linux-6.15/kernel/futex/
H A Drequeue.c274 struct futex_q *top_waiter; in futex_proxy_trylock_atomic() local
292 top_waiter = futex_top_waiter(hb1, key1); in futex_proxy_trylock_atomic()
295 if (!top_waiter) in futex_proxy_trylock_atomic()
302 if (!top_waiter->rt_waiter || top_waiter->pi_state) in futex_proxy_trylock_atomic()
306 if (!futex_match(top_waiter->requeue_pi_key, key2)) in futex_proxy_trylock_atomic()
310 if (!futex_requeue_pi_prepare(top_waiter, NULL)) in futex_proxy_trylock_atomic()
321 ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task, in futex_proxy_trylock_atomic()
330 requeue_pi_wake_futex(top_waiter, key2, hb2); in futex_proxy_trylock_atomic()
333 futex_requeue_pi_complete(top_waiter, ret); in futex_proxy_trylock_atomic()
H A Dpi.c523 struct futex_q *top_waiter; in futex_lock_pi_atomic() local
549 top_waiter = futex_top_waiter(hb, key); in futex_lock_pi_atomic()
550 if (top_waiter) in futex_lock_pi_atomic()
551 return attach_to_pi_state(uaddr, uval, top_waiter->pi_state, ps); in futex_lock_pi_atomic()
616 struct rt_mutex_waiter *top_waiter) in wake_futex_pi() argument
624 new_owner = top_waiter->task; in wake_futex_pi()
1118 struct futex_q *top_waiter; in futex_unlock_pi() local
1146 top_waiter = futex_top_waiter(hb, &key); in futex_unlock_pi()
1147 if (top_waiter) { in futex_unlock_pi()
1148 struct futex_pi_state *pi_state = top_waiter->pi_state; in futex_unlock_pi()
[all …]
/linux-6.15/kernel/locking/
H A Drtmutex.c431 struct rt_mutex_waiter *top_waiter) in rt_mutex_steal() argument
800 if (top_waiter) { in rt_mutex_adjust_prio_chain()
915 top_waiter = rt_mutex_top_waiter(lock); in rt_mutex_adjust_prio_chain()
975 top_waiter = rt_mutex_top_waiter(lock); in rt_mutex_adjust_prio_chain()
976 if (prerequeue_top_waiter != top_waiter) in rt_mutex_adjust_prio_chain()
977 wake_up_state(top_waiter->task, top_waiter->wake_state); in rt_mutex_adjust_prio_chain()
1042 top_waiter = rt_mutex_top_waiter(lock); in rt_mutex_adjust_prio_chain()
1129 if (waiter == top_waiter || rt_mutex_steal(waiter, top_waiter)) { in try_to_take_rt_mutex()
1211 struct rt_mutex_waiter *top_waiter = waiter; in task_blocks_on_rt_mutex() local
1240 top_waiter = rt_mutex_top_waiter(lock); in task_blocks_on_rt_mutex()
[all …]
/linux-6.15/Documentation/locking/
H A Drt-mutex.rst76 that anymore. The pending owner happens to be the top_waiter of a lock
H A Drt-mutex-design.rst459 owner of the lock, and if the lock still has waiters, the top_waiter
496 1) The previous lock owner released the lock, and the task now is top_waiter