mutex.c (f2f09a4cee3507dba0e24b87ba2961a5c377d3a7) mutex.c (194a6b5b9cb6b91a5f7d86984165a3bc55188599)
1/*
2 * kernel/locking/mutex.c
3 *
4 * Mutexes: blocking mutual exclusion locks
5 *
6 * Started by Ingo Molnar:
7 *
8 * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>

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835
836/*
837 * Release the lock, slowpath:
838 */
839static noinline void __sched __mutex_unlock_slowpath(struct mutex *lock, unsigned long ip)
840{
841 struct task_struct *next = NULL;
842 unsigned long owner, flags;
1/*
2 * kernel/locking/mutex.c
3 *
4 * Mutexes: blocking mutual exclusion locks
5 *
6 * Started by Ingo Molnar:
7 *
8 * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>

--- 826 unchanged lines hidden (view full) ---

835
836/*
837 * Release the lock, slowpath:
838 */
839static noinline void __sched __mutex_unlock_slowpath(struct mutex *lock, unsigned long ip)
840{
841 struct task_struct *next = NULL;
842 unsigned long owner, flags;
843 WAKE_Q(wake_q);
843 DEFINE_WAKE_Q(wake_q);
844
845 mutex_release(&lock->dep_map, 1, ip);
846
847 /*
848 * Release the lock before (potentially) taking the spinlock such that
849 * other contenders can get on with things ASAP.
850 *
851 * Except when HANDOFF, in that case we must not clear the owner field,

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845 mutex_release(&lock->dep_map, 1, ip);
846
847 /*
848 * Release the lock before (potentially) taking the spinlock such that
849 * other contenders can get on with things ASAP.
850 *
851 * Except when HANDOFF, in that case we must not clear the owner field,

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