diff options
| author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
| commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
| tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/frv/include/asm/barrier.h | |
| parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
| parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
| download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip | |
dirty fix to merging
Diffstat (limited to 'arch/frv/include/asm/barrier.h')
| -rw-r--r-- | arch/frv/include/asm/barrier.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/frv/include/asm/barrier.h b/arch/frv/include/asm/barrier.h new file mode 100644 index 00000000..06776ad9 --- /dev/null +++ b/arch/frv/include/asm/barrier.h @@ -0,0 +1,29 @@ +/* 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") +#define read_barrier_depends() do { } while (0) + +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do {} while(0) +#define set_mb(var, value) \ + do { var = (value); barrier(); } while (0) + +#endif /* _ASM_BARRIER_H */ |