1 files changed, 4 insertions, 7 deletions

diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h
index 8d3421996f94..248a79f0eaff 100644
--- a/include/asm-x86_64/spinlock.h
+++ b/include/asm-x86_64/spinlock.h
@@ -21,7 +21,7 @@
 
 #define __raw_spin_lock_string \
         "\n1:\t" \
-        "lock ; decl %0\n\t" \
+        LOCK_PREFIX " ; decl %0\n\t" \
         "js 2f\n" \
         LOCK_SECTION_START("") \
         "2:\t" \
@@ -40,10 +40,7 @@
 
 static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
-        alternative_smp(
-                __raw_spin_lock_string,
-                __raw_spin_lock_string_up,
-                "=m" (lock->slock) : : "memory");
+        asm volatile(__raw_spin_lock_string : "=m" (lock->slock) : : "memory");
 }
 
 #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
@@ -125,12 +122,12 @@ static inline int __raw_write_trylock(raw_rwlock_t *lock)
 
 static inline void __raw_read_unlock(raw_rwlock_t *rw)
 {
-        asm volatile("lock ; incl %0" :"=m" (rw->lock) : : "memory");
+        asm volatile(LOCK_PREFIX " ; incl %0" :"=m" (rw->lock) : : "memory");
 }
 
 static inline void __raw_write_unlock(raw_rwlock_t *rw)
 {
-        asm volatile("lock ; addl $" RW_LOCK_BIAS_STR ",%0"
+        asm volatile(LOCK_PREFIX " ; addl $" RW_LOCK_BIAS_STR ",%0"
                                 : "=m" (rw->lock) : : "memory");
 }