Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750776AbWHASi3 (ORCPT ); Tue, 1 Aug 2006 14:38:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751778AbWHASi3 (ORCPT ); Tue, 1 Aug 2006 14:38:29 -0400 Received: from mx1.redhat.com ([66.187.233.31]:28343 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1750776AbWHASi2 (ORCPT ); Tue, 1 Aug 2006 14:38:28 -0400 Date: Tue, 1 Aug 2006 14:38:26 -0400 From: Dave Jones To: Linux Kernel Subject: runtime disable for softlockup Message-ID: <20060801183826.GM22240@redhat.com> Mail-Followup-To: Dave Jones , Linux Kernel Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1260 Lines: 43 The softlockup detector is damned handy, but a real pain if it prevents your distro installer from running. As a 'worse case scenario', with the diff below, users can disable it at boot time, and still manage to get a box installed. Signed-off-by: Dave Jones --- linux-2.6/init/main.c~ 2006-03-05 00:45:51.000000000 -0500 +++ linux-2.6/init/main.c 2006-03-05 00:49:41.000000000 -0500 @@ -640,6 +640,15 @@ static void __init do_basic_setup(void) do_initcalls(); } +static int __initdata nosoftlockup; + +static int __init nosoftlockup_setup(char *str) +{ + nosoftlockup = 1; + return 1; +} +__setup("nosoftlockup", nosoftlockup_setup); + static void do_pre_smp_initcalls(void) { extern int spawn_ksoftirqd(void); @@ -649,7 +657,8 @@ static void do_pre_smp_initcalls(void) migration_init(); #endif spawn_ksoftirqd(); - spawn_softlockup_task(); + if (!nosoftlockup) + spawn_softlockup_task(); } static void run_init_process(char *init_filename) -- http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/