--- linux-2.6.9-rc4-mm1-U9.1/drivers/net/netconsole.c	2004-10-21 17:14:22.000000000 +0200
+++ linux-2.6.9-rc4-mm1-U9.1-mich/drivers/net/netconsole.c	2004-10-21 17:15:09.000000000 +0200
@@ -74,7 +74,7 @@ static void write_msg(struct console *co
 		return;
 
 	local_irq_save(flags);
-#ifdef PREEMPT_REALTIME
+#ifdef CONFIG_PREEMPT_REALTIME
 	/*
 	 * A bit hairy. Netconsole uses mutexes (indirectly) and
 	 * thus must have interrupts enabled: