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-rw-r--r--include/asm-x86/alternative-asm_32.i12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-x86/alternative-asm_32.i b/include/asm-x86/alternative-asm_32.i
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+++ b/include/asm-x86/alternative-asm_32.i
@@ -0,0 +1,12 @@
+#ifdef CONFIG_SMP
+ .macro LOCK_PREFIX
+1: lock
+ .section .smp_locks,"a"
+ .align 4
+ .long 1b
+ .previous
+ .endm
+#else
+ .macro LOCK_PREFIX
+ .endm
+#endif
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