X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-xtensa%2Fsystem.h;fp=include%2Fasm-xtensa%2Fsystem.h;h=9284867f1cb90616cfba4af95b14f42f3059cdd5;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=932bda92a21c392b609e67eb09608897d4259657;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/include/asm-xtensa/system.h b/include/asm-xtensa/system.h
index 932bda92a..9284867f1 100644
--- a/include/asm-xtensa/system.h
+++ b/include/asm-xtensa/system.h
@@ -11,6 +11,7 @@
 #ifndef _XTENSA_SYSTEM_H
 #define _XTENSA_SYSTEM_H
 
+#include <linux/config.h>
 #include <linux/stringify.h>
 
 #include <asm/processor.h>
@@ -99,6 +100,7 @@ static inline void disable_coprocessor(int i)
 #endif
 
 #define set_mb(var, value)	do { var = value; mb(); } while (0)
+#define set_wmb(var, value)	do { var = value; wmb(); } while (0)
 
 #if !defined (__ASSEMBLY__)
 
@@ -109,6 +111,8 @@ extern void *_switch_to(void *last, void *next);
 
 #endif	/* __ASSEMBLY__ */
 
+#define prepare_to_switch()	do { } while(0)
+
 #define switch_to(prev,next,last)		\
 do {						\
 	clear_cpenable();			\