xref: /openbmc/linux/kernel/locking/mutex.h (revision f9a82c48)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Mutexes: blocking mutual exclusion locks
4  *
5  * started by Ingo Molnar:
6  *
7  *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
8  *
9  * This file contains mutex debugging related internal prototypes, for the
10  * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
11  */
12 
13 #define mutex_remove_waiter(lock, waiter, task) \
14 		__list_del((waiter)->list.prev, (waiter)->list.next)
15 
16 #define debug_mutex_wake_waiter(lock, waiter)		do { } while (0)
17 #define debug_mutex_free_waiter(waiter)			do { } while (0)
18 #define debug_mutex_add_waiter(lock, waiter, ti)	do { } while (0)
19 #define debug_mutex_unlock(lock)			do { } while (0)
20 #define debug_mutex_init(lock, name, key)		do { } while (0)
21 
22 static inline void
23 debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)
24 {
25 }
26