X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-m68k%2Fsystem.h;h=243dd13e6bfc0895fcf0cfcd7081ac333a2f07bf;hb=6d03a68e6d5528630955452ec4b768dbde0dc00c;hp=131a0cb0f491833f8fc3413a024aecfc5c3404d1;hpb=af652c26f5f0eceb6d8cb97eb9b86fba6f1f3b85;p=linux-2.6

diff --git a/include/asm-m68k/system.h b/include/asm-m68k/system.h
index 131a0cb0f4..243dd13e6b 100644
--- a/include/asm-m68k/system.h
+++ b/include/asm-m68k/system.h
@@ -78,13 +78,13 @@ static inline int irqs_disabled(void)
 #define mb()		barrier()
 #define rmb()		barrier()
 #define wmb()		barrier()
-#define read_barrier_depends()	do { } while(0)
-#define set_mb(var, value)    do { xchg(&var, value); } while (0)
+#define read_barrier_depends()	((void)0)
+#define set_mb(var, value)	({ (var) = (value); wmb(); })
 
 #define smp_mb()	barrier()
 #define smp_rmb()	barrier()
 #define smp_wmb()	barrier()
-#define smp_read_barrier_depends()	do { } while(0)
+#define smp_read_barrier_depends()	((void)0)
 
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))