diff options
| author | Andi Kleen <ak@suse.de> | 2006-09-26 04:52:28 -0400 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-09-26 04:52:28 -0400 |
| commit | b4062b16094038334d9bbadac0397a3fc9e981b0 (patch) | |
| tree | e75506b979825010319f96a0868b71788ac856df /include/asm-x86_64/alternative-asm.i | |
| parent | 538b5b419c7ae39a4b2deb15278da36102e42346 (diff) | |
[PATCH] Support patchable lock prefix for pure assembly files
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'include/asm-x86_64/alternative-asm.i')
| -rw-r--r-- | include/asm-x86_64/alternative-asm.i | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-x86_64/alternative-asm.i b/include/asm-x86_64/alternative-asm.i new file mode 100644 index 000000000000..e4041f4fa4dc --- /dev/null +++ b/include/asm-x86_64/alternative-asm.i | |||
| @@ -0,0 +1,14 @@ | |||
| 1 | #include <linux/config.h> | ||
| 2 | |||
| 3 | #ifdef CONFIG_SMP | ||
| 4 | .macro LOCK_PREFIX | ||
| 5 | 1: lock | ||
| 6 | .section .smp_locks,"a" | ||
| 7 | .align 8 | ||
| 8 | .quad 1b | ||
| 9 | .previous | ||
| 10 | .endm | ||
| 11 | #else | ||
| 12 | .macro LOCK_PREFIX | ||
| 13 | .endm | ||
| 14 | #endif | ||