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| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-18 21:44:32 -0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-22 22:55:21 -0700 |
| commit | f5ad6a42b700d9687bb97cf461e7f2506e3006d6 (patch) | |
| tree | 1bd92ee745ce1bdf459147dd9cbdb440c72cd9f8 /arch/um/sys-i386/sysdep/barrier.h | |
| parent | 17dcf75d3ea11d7e26110ba85677cfadbccecf45 (diff) | |
| download | talos-op-linux-f5ad6a42b700d9687bb97cf461e7f2506e3006d6.tar.gz talos-op-linux-f5ad6a42b700d9687bb97cf461e7f2506e3006d6.zip | |
x86, um: get rid of sysdep symlink
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/sysdep/barrier.h')
| -rw-r--r-- | arch/um/sys-i386/sysdep/barrier.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/um/sys-i386/sysdep/barrier.h b/arch/um/sys-i386/sysdep/barrier.h new file mode 100644 index 000000000000..b58d52c5b2f4 --- /dev/null +++ b/arch/um/sys-i386/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 |
