diff options
Diffstat (limited to 'include/asm-x86_64/alternative-asm.i')
-rw-r--r-- | include/asm-x86_64/alternative-asm.i | 12 |
1 files changed, 12 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..0b3f1a2bb2cb --- /dev/null +++ b/include/asm-x86_64/alternative-asm.i | |||
@@ -0,0 +1,12 @@ | |||
1 | #ifdef CONFIG_SMP | ||
2 | .macro LOCK_PREFIX | ||
3 | 1: lock | ||
4 | .section .smp_locks,"a" | ||
5 | .align 8 | ||
6 | .quad 1b | ||
7 | .previous | ||
8 | .endm | ||
9 | #else | ||
10 | .macro LOCK_PREFIX | ||
11 | .endm | ||
12 | #endif | ||