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authorPeter Zijlstra <peterz@infradead.org>2013-10-31 13:11:53 -0400
committerIngo Molnar <mingo@kernel.org>2013-11-06 01:55:07 -0500
commit01768b42dc97a67b4fb33a2535c49fc1969880df (patch)
tree448a1aff2286e8e9752124964e725d7bd5d3dba8 /kernel/mutex-debug.h
parentc90423d1de12fbeaf0c898e1db0e962de347302b (diff)
locking: Move the mutex code to kernel/locking/
Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-1ditvncg30dgbpvrz2bxfmke@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/mutex-debug.h')
-rw-r--r--kernel/mutex-debug.h55
1 files changed, 0 insertions, 55 deletions
diff --git a/kernel/mutex-debug.h b/kernel/mutex-debug.h
deleted file mode 100644
index 0799fd3e4cfa..000000000000
--- a/kernel/mutex-debug.h
+++ /dev/null
@@ -1,55 +0,0 @@
1/*
2 * Mutexes: blocking mutual exclusion locks
3 *
4 * started by Ingo Molnar:
5 *
6 * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
7 *
8 * This file contains mutex debugging related internal declarations,
9 * prototypes and inline functions, for the CONFIG_DEBUG_MUTEXES case.
10 * More details are in kernel/mutex-debug.c.
11 */
12
13/*
14 * This must be called with lock->wait_lock held.
15 */
16extern void debug_mutex_lock_common(struct mutex *lock,
17 struct mutex_waiter *waiter);
18extern void debug_mutex_wake_waiter(struct mutex *lock,
19 struct mutex_waiter *waiter);
20extern void debug_mutex_free_waiter(struct mutex_waiter *waiter);
21extern void debug_mutex_add_waiter(struct mutex *lock,
22 struct mutex_waiter *waiter,
23 struct thread_info *ti);
24extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
25 struct thread_info *ti);
26extern void debug_mutex_unlock(struct mutex *lock);
27extern void debug_mutex_init(struct mutex *lock, const char *name,
28 struct lock_class_key *key);
29
30static inline void mutex_set_owner(struct mutex *lock)
31{
32 lock->owner = current;
33}
34
35static inline void mutex_clear_owner(struct mutex *lock)
36{
37 lock->owner = NULL;
38}
39
40#define spin_lock_mutex(lock, flags) \
41 do { \
42 struct mutex *l = container_of(lock, struct mutex, wait_lock); \
43 \
44 DEBUG_LOCKS_WARN_ON(in_interrupt()); \
45 local_irq_save(flags); \
46 arch_spin_lock(&(lock)->rlock.raw_lock);\
47 DEBUG_LOCKS_WARN_ON(l->magic != l); \
48 } while (0)
49
50#define spin_unlock_mutex(lock, flags) \
51 do { \
52 arch_spin_unlock(&(lock)->rlock.raw_lock); \
53 local_irq_restore(flags); \
54 preempt_check_resched(); \
55 } while (0)