patch-2.4.7 linux/include/asm-ia64/atomic.h

• Lines: 11
• Date: Mon Jul 9 21:30:19 2001
• Orig file: v2.4.6/linux/include/asm-ia64/atomic.h
• Orig date: Mon Oct 9 17:54:57 2000

diff -u --recursive --new-file v2.4.6/linux/include/asm-ia64/atomic.h linux/include/asm-ia64/atomic.h
@@ -91,4 +91,10 @@
 #define atomic_inc(v)			atomic_add(1, (v))
 #define atomic_dec(v)			atomic_sub(1, (v))
 
+/* 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()
+
 #endif /* _ASM_IA64_ATOMIC_H */