patch-2.4.7 linux/include/asm-m68k/atomic.h

• Lines: 11
• Date: Mon Jul 9 21:30:19 2001
• Orig file: v2.4.6/linux/include/asm-m68k/atomic.h
• Orig date: Fri Nov 20 11:43:55 1998

diff -u --recursive --new-file v2.4.6/linux/include/asm-m68k/atomic.h linux/include/asm-m68k/atomic.h
@@ -49,4 +49,10 @@
 #define atomic_set_mask(mask, v) \
 	__asm__ __volatile__("orl %1,%0" : "=m" (*v) : "id" (mask),"0"(*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 /* __ARCH_M68K_ATOMIC __ */