diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-23 23:28:20 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 07:55:22 +0200 |
| commit | aa7bd942498512d6b77d1d0da846a8ecdd5d6186 (patch) | |
| tree | 9a420b59a1e862ea47a4c5f89601ffbdf3366922 /arch/um/sys-i386/shared/sysdep/barrier.h | |
| parent | x86, um: merge Kconfig.i386 and Kconfig.x86_64 (diff) | |
| download | linux-aa7bd942498512d6b77d1d0da846a8ecdd5d6186.tar.xz linux-aa7bd942498512d6b77d1d0da846a8ecdd5d6186.zip | |
x86, um: get rid of header symlinks
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/um/sys-i386/shared/sysdep/barrier.h')
| -rw-r--r-- | arch/um/sys-i386/shared/sysdep/barrier.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/um/sys-i386/shared/sysdep/barrier.h b/arch/um/sys-i386/shared/sysdep/barrier.h new file mode 100644 index 000000000000..b58d52c5b2f4 --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/barrier.h @@ -0,0 +1,9 @@ +#ifndef __SYSDEP_I386_BARRIER_H +#define __SYSDEP_I386_BARRIER_H + +/* Copied from include/asm-i386 for use by userspace. i386 has the option + * of using mfence, but I'm just using this, which works everywhere, for now. + */ +#define mb() asm volatile("lock; addl $0,0(%esp)") + +#endif |