[PATCH 6/13] use cpu_relax() in busy loop

[Chris Wright]

Replace busy loop nop with cpu_relax().

===== drivers/char/moxa.c 1.25 vs edited =====
--- 1.25/drivers/char/moxa.c	Mon Jun 23 18:43:58 2003
+++ edited/drivers/char/moxa.c	Thu Sep 18 10:56:00 2003
@@ -2758,7 +2758,8 @@
 
 	st = jiffies;
 	et = st + tick;
-	while (time_before(jiffies, et));
+	while (time_before(jiffies, et))
+		cpu_relax();
 }
 
 static void moxafunc(unsigned long ofsAddr, int cmd, ushort arg)

-
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