[linuxsh-cvs] CVS: linux/include/asm-sh processor.h,1.37,1.38

[Paul M. <le...@us...>]

Update of /cvsroot/linuxsh/linux/include/asm-sh
In directory sc8-pr-cvs6.sourceforge.net:/tmp/cvs-serv29837/include/asm-sh

Modified Files:
	processor.h 
Log Message:
Switch cpu_relax() to use a compiler barrier().



Index: processor.h
===================================================================
RCS file: /cvsroot/linuxsh/linux/include/asm-sh/processor.h,v
retrieving revision 1.37
retrieving revision 1.38
diff -u -d -r1.37 -r1.38
--- processor.h	2 Aug 2006 14:40:10 -0000	1.37
+++ processor.h	4 Aug 2006 01:00:39 -0000	1.38
@@ -9,6 +9,7 @@
 #define __ASM_SH_PROCESSOR_H
 #ifdef __KERNEL__
 
+#include <linux/compiler.h>
 #include <asm/page.h>
 #include <asm/types.h>
 #include <asm/cache.h>
@@ -268,7 +269,7 @@
 #define KSTK_ESP(tsk)  ((tsk)->thread.sp)
 
 #define cpu_sleep()	__asm__ __volatile__ ("sleep" : : : "memory")
-#define cpu_relax()	do { } while (0)
+#define cpu_relax()	barrier()
 
 #if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH3) || \
     defined(CONFIG_CPU_SH4)