patch-2.4.9 linux/include/asm-arm/atomic.h

• Lines: 22
• Date: Sun Aug 12 11:14:00 2001
• Orig file: v2.4.8/linux/include/asm-arm/atomic.h
• Orig date: Mon Sep 18 15:15:23 2000

diff -u --recursive --new-file v2.4.8/linux/include/asm-arm/atomic.h linux/include/asm-arm/atomic.h
@@ -85,7 +85,7 @@
 	return result;
 }
 
-extern __inline__ int atomic_add_negative(int i, volatile atomic_t *v)
+static inline int atomic_add_negative(int i, volatile atomic_t *v)
 {
 	unsigned long flags;
 	int result;
@@ -106,6 +106,12 @@
 	*addr &= ~mask;
 	__restore_flags(flags);
 }
+
+/* Atomic operations are already serializing on ARM */
+#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()
 
 #endif
 #endif