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Ingo Molnar620a6fd2006-01-09 15:59:17 -08001/*
Uwe Zeisbergerf30c2262006-10-03 23:01:26 +02002 * include/asm-generic/mutex-null.h
Ingo Molnar620a6fd2006-01-09 15:59:17 -08003 *
4 * Generic implementation of the mutex fastpath, based on NOP :-)
5 *
6 * This is used by the mutex-debugging infrastructure, but it can also
7 * be used by architectures that (for whatever reason) want to use the
8 * spinlock based slowpath.
9 */
10#ifndef _ASM_GENERIC_MUTEX_NULL_H
11#define _ASM_GENERIC_MUTEX_NULL_H
12
Ingo Molnar9a11b49a2006-07-03 00:24:33 -070013#define __mutex_fastpath_lock(count, fail_fn) fail_fn(count)
14#define __mutex_fastpath_lock_retval(count, fail_fn) fail_fn(count)
15#define __mutex_fastpath_unlock(count, fail_fn) fail_fn(count)
16#define __mutex_fastpath_trylock(count, fail_fn) fail_fn(count)
17#define __mutex_slowpath_needs_to_unlock() 1
Ingo Molnar620a6fd2006-01-09 15:59:17 -080018
19#endif