diff -urN oldtree/kernel/exit.c newtree/kernel/exit.c
--- oldtree/kernel/exit.c	2006-08-19 09:22:35.000000000 -0400
+++ newtree/kernel/exit.c	2006-08-19 17:03:40.642359500 -0400
@@ -981,7 +981,8 @@
 	schedule();
 	BUG();
 	/* Avoid "noreturn function does return".  */
-	for (;;) ;
+	for (;;)
+		cpu_relax();	/* For when BUG is null */
 }
 
 EXPORT_SYMBOL_GPL(do_exit);