[SPARC64]: More fully work around Spitfire Errata 51.

[deliverable/linux.git] / include / asm-sparc64 / spinlock.h

diff --git a/include/asm-sparc64/spinlock.h b/include/asm-sparc64/spinlock.h
index d265bf6570fe421bc9f85f0915cd4897dc19d0c5..a02c4370eb42e0d1c8f6043a25f900e0ea03ff2c 100644 (file)
--- a/include/asm-sparc64/spinlock.h
+++ b/include/asm-sparc64/spinlock.h
@@ -43,7 +43,7 @@ typedef struct {
 #define spin_is_locked(lp)  ((lp)->lock != 0)
 
 #define spin_unlock_wait(lp)   \
-do {   membar("#LoadLoad");    \
+do {   rmb();                  \
 } while((lp)->lock)
 
 static inline void _raw_spin_lock(spinlock_t *lock)
@@ -129,7 +129,7 @@ typedef struct {
 #define spin_is_locked(__lock) ((__lock)->lock != 0)
 #define spin_unlock_wait(__lock)       \
 do { \
-       membar("#LoadLoad"); \
+       rmb(); \
 } while((__lock)->lock)
 
 extern void _do_spin_lock(spinlock_t *lock, char *str, unsigned long caller);