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