1 files changed, 2 insertions, 1 deletions

diff --git a/include/asm-h8300/processor.h b/include/asm-h8300/processor.h
index c7e2f454b83a..99b664aa2083 100644
--- a/include/asm-h8300/processor.h
+++ b/include/asm-h8300/processor.h
@@ -17,6 +17,7 @@
  */
 #define current_text_addr() ({ __label__ _l; _l: &&_l;})
 
+#include <linux/compiler.h>
 #include <asm/segment.h>
 #include <asm/fpu.h>
 #include <asm/ptrace.h>
@@ -129,6 +130,6 @@ unsigned long get_wchan(struct task_struct *p);
         eip; })
 #define KSTK_ESP(tsk)   ((tsk) == current ? rdusp() : (tsk)->thread.usp)
 
-#define cpu_relax()    do { } while (0)
+#define cpu_relax()    barrier()
 
 #endif