diff options
| author | Al Viro <viro@ftp.linux.org.uk> | 2011-08-18 20:03:09 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2011-11-02 14:14:50 +0100 |
| commit | 858ba94499b4f48e9eb0be7cf0092f1ea9460fef (patch) | |
| tree | 8f7a2ba4dc97d771de8b710822dfd2579693220d /arch/um/sys-x86/shared/sysdep/barrier_64.h | |
| parent | 27f85f12639fe821375a69900d96e0fbcc1450bf (diff) | |
um: merge arch/um/sys-{i386,x86_64}/shared
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um/sys-x86/shared/sysdep/barrier_64.h')
| -rw-r--r-- | arch/um/sys-x86/shared/sysdep/barrier_64.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/um/sys-x86/shared/sysdep/barrier_64.h b/arch/um/sys-x86/shared/sysdep/barrier_64.h new file mode 100644 index 00000000000..7b610befdc8 --- /dev/null +++ b/arch/um/sys-x86/shared/sysdep/barrier_64.h @@ -0,0 +1,7 @@ +#ifndef __SYSDEP_X86_64_BARRIER_H +#define __SYSDEP_X86_64_BARRIER_H + +/* Copied from include/asm-x86_64 for use by userspace. */ +#define mb() asm volatile("mfence":::"memory") + +#endif |