[PATCH] x86_64: Remove unused macro in preempt support

Remove unused macro in preempt support
Signed-off-by: NAndi Kleen <ak@suse.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/x86_64/kernel/entry.S

@@ -44,10 +44,7 @@
 
 	.code64
 
-#ifdef CONFIG_PREEMPT
-#define preempt_stop cli
-#else
-#define preempt_stop
+#ifndef CONFIG_PREEMPT
 #define retint_kernel retint_restore_args
 #endif