2 * Mutexes: blocking mutual exclusion locks
4 * started by Ingo Molnar:
6 * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
8 * This file contains mutex debugging related internal prototypes, for the
9 * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
12 #define spin_lock_mutex(lock, flags) \
13 do { spin_lock(lock); (void)(flags); } while (0)
14 #define spin_unlock_mutex(lock, flags) \
15 do { spin_unlock(lock); (void)(flags); } while (0)
16 #define mutex_remove_waiter(lock, waiter, ti) \
17 __list_del((waiter)->list.prev, (waiter)->list.next)
20 static inline void mutex_set_owner(struct mutex
*lock
)
22 lock
->owner
= current_thread_info();
25 static inline void mutex_clear_owner(struct mutex
*lock
)
30 static inline void mutex_set_owner(struct mutex
*lock
)
34 static inline void mutex_clear_owner(struct mutex
*lock
)
39 #define debug_mutex_wake_waiter(lock, waiter) do { } while (0)
40 #define debug_mutex_free_waiter(waiter) do { } while (0)
41 #define debug_mutex_add_waiter(lock, waiter, ti) do { } while (0)
42 #define debug_mutex_unlock(lock) do { } while (0)
43 #define debug_mutex_init(lock, name, key) do { } while (0)
46 debug_mutex_lock_common(struct mutex
*lock
, struct mutex_waiter
*waiter
)
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