diff options
Diffstat (limited to 'kernel/arch/frv/include/asm/barrier.h')
| -rw-r--r-- | kernel/arch/frv/include/asm/barrier.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/kernel/arch/frv/include/asm/barrier.h b/kernel/arch/frv/include/asm/barrier.h new file mode 100644 index 000000000..abbef4701 --- /dev/null +++ b/kernel/arch/frv/include/asm/barrier.h @@ -0,0 +1,23 @@ +/* FR-V CPU memory barrier definitions + * + * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _ASM_BARRIER_H +#define _ASM_BARRIER_H + +#define nop() asm volatile ("nop"::) + +#define mb() asm volatile ("membar" : : :"memory") +#define rmb() asm volatile ("membar" : : :"memory") +#define wmb() asm volatile ("membar" : : :"memory") + +#include <asm-generic/barrier.h> + +#endif /* _ASM_BARRIER_H */ |