fix cmpxchgq operand

2015-10-02 14:04:05 +09:00
parent cb4f3a4d65
commit 5b737b499d
1 changed files with 1 additions and 1 deletions
--- a/arch/x86/kernel/include/ihk/atomic.h
+++ b/arch/x86/kernel/include/ihk/atomic.h
@ -165,7 +165,7 @@ static inline unsigned long atomic_cmpxchg8(unsigned long *addr,
 		unsigned long oldval,
 		unsigned long newval)
 {
-	asm volatile("lock; cmpxchgq %3, %1\n"
+	asm volatile("lock; cmpxchgq %2, %1\n"
 		     : "=a" (oldval), "+m" (*addr)
 		     : "r" (newval), "0" (oldval)
 		     : "memory"