patch-2.4.19 linux-2.4.19/include/asm-mips64/atomic.h

• Lines: 31
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-mips64/atomic.h
• Orig date: Mon Jul 9 21:30:19 2001

diff -urN linux-2.4.18/include/asm-mips64/atomic.h linux-2.4.19/include/asm-mips64/atomic.h
@@ -88,6 +88,7 @@
 		"sc\t%0,%2\n\t"
 		"beqz\t%0,1b\n\t"
 		"addu\t%0,%1,%3\n\t"
+		"sync\n\t"
 		".set\treorder"
 		: "=&r" (result), "=&r" (temp), "=m" (v->counter)
 		: "Ir" (i), "m" (v->counter)
@@ -107,6 +108,7 @@
 		"sc\t%0,%2\n\t"
 		"beqz\t%0,1b\n\t"
 		"subu\t%0,%1,%3\n\t"
+		"sync\n\t"
 		".set\treorder"
 		: "=&r" (result), "=&r" (temp), "=m" (v->counter)
 		: "Ir" (i), "m" (v->counter)
@@ -184,10 +186,10 @@
  */
 
 /* Atomic operations are already serializing */
-#define smp_mb__before_atomic_dec()	barrier()
-#define smp_mb__after_atomic_dec()	barrier()
-#define smp_mb__before_atomic_inc()	barrier()
-#define smp_mb__after_atomic_inc()	barrier()
+#define smp_mb__before_atomic_dec()	smp_mb()
+#define smp_mb__after_atomic_dec()	smp_mb()
+#define smp_mb__before_atomic_inc()	smp_mb()
+#define smp_mb__after_atomic_inc()	smp_mb()
 
 #endif /* defined(__KERNEL__) */