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 prototypes, for the
9 * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
10 */
11
12 #define spin_lock_mutex(lock) spin_lock(lock)
13 #define spin_unlock_mutex(lock) spin_unlock(lock)
14 #define mutex_remove_waiter(lock, waiter, ti) \
15 __list_del((waiter)->list.prev, (waiter)->list.next)
16
17 #define DEBUG_WARN_ON(c) do { } while (0)
18 #define debug_mutex_set_owner(lock, new_owner) do { } while (0)
19 #define debug_mutex_clear_owner(lock) do { } while (0)
20 #define debug_mutex_init_waiter(waiter) do { } while (0)
21 #define debug_mutex_wake_waiter(lock, waiter) do { } while (0)
22 #define debug_mutex_free_waiter(waiter) do { } while (0)
23 #define debug_mutex_add_waiter(lock, waiter, ti, ip) do { } while (0)
24 #define debug_mutex_unlock(lock) do { } while (0)
25 #define debug_mutex_init(lock, name) do { } while (0)
26
27 /*
28 * Return-address parameters/declarations. They are very useful for
29 * debugging, but add overhead in the !DEBUG case - so we go the
30 * trouble of using this not too elegant but zero-cost solution:
31 */
32 #define __IP_DECL__
33 #define __IP__
34 #define __RET_IP__
35
36
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