From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752523AbYIVI14 (ORCPT ); Mon, 22 Sep 2008 04:27:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751841AbYIVI1t (ORCPT ); Mon, 22 Sep 2008 04:27:49 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:56236 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751629AbYIVI1s (ORCPT ); Mon, 22 Sep 2008 04:27:48 -0400 Date: Mon, 22 Sep 2008 10:27:28 +0200 From: Ingo Molnar To: Arjan van de Ven , neilb@suse.de Cc: linux-kernel@vger.kernel.org, neilb@suse.de, davej@redhat.com Subject: Re: [PATCH] raid: make RAID autodetect default a KConfig option Message-ID: <20080922082728.GB6601@elte.hu> References: <20080921154541.371f2ebe@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080921154541.371f2ebe@infradead.org> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Arjan van de Ven wrote: > From 812bf9a448d96375a3aec5c51764d74cace85abb Mon Sep 17 00:00:00 2001 > From: Arjan van de Ven > Date: Sun, 21 Sep 2008 15:44:32 -0700 > Subject: [PATCH] raid: make RAID autodetect default a KConfig option > > RAID autodetect has the side effect of requiring synchronisation of > all device drivers, which can make the boot several seconds longer > (I've measured 7 on one of my laptops).... even for systems that don't > have RAID setup for the root filesystem (the only FS where this > matters). > > This patch makes the default for autodetect a config option; either > way the user can always override via the kernel command line. Neil, if you agree with this patch, could you please send your Acked-by line? This patch depends on a clean-up in init/do_mounts_md.c that is in the fastboot tree so it would be logistically easier/better if we could queue this up towards upstream via tip/fastboot. Ingo