[PATCH 9/13] use cpu_relax() in busy loop

[Chris Wright]

Replace busy loop nop with cpu_relax().

===== net/ipv4/ipconfig.c 1.29 vs edited =====
--- 1.29/net/ipv4/ipconfig.c	Fri Aug 15 00:41:43 2003
+++ edited/net/ipv4/ipconfig.c	Thu Sep 18 11:57:00 2003
@@ -1153,7 +1153,7 @@
 	/* Give hardware a chance to settle */
 	jiff = jiffies + CONF_PRE_OPEN;
 	while (time_before(jiffies, jiff))
-		;
+		cpu_relax();
 
 	/* Setup all network devices */
 	if (ic_open_devs() < 0)
@@ -1162,7 +1162,7 @@
 	/* Give drivers a chance to settle */
 	jiff = jiffies + CONF_POST_OPEN;
 	while (time_before(jiffies, jiff))
-			;
+		cpu_relax();
 
 	/*
 	 * If the config information is insufficient (e.g., our IP address or
-
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