1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org)
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 */
9 #ifndef _ASM_SPINLOCK_H
10 #define _ASM_SPINLOCK_H
11
12 #include <asm/processor.h>
13
14 #include <asm-generic/qspinlock_types.h>
15
16 #define queued_spin_unlock queued_spin_unlock
17 /**
18 * queued_spin_unlock - release a queued spinlock
19 * @lock : Pointer to queued spinlock structure
20 */
21 static inline void queued_spin_unlock(struct qspinlock *lock)
22 {
23 /* This could be optimised with ARCH_HAS_MMIOWB */
24 mmiowb();
25 smp_store_release(&lock->locked, 0);
26 }
27
28 #include <asm/qspinlock.h>
29 #include <asm/qrwlock.h>
30
31 #endif /* _ASM_SPINLOCK_H */
32
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.