Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756719Ab0BQW1M (ORCPT ); Wed, 17 Feb 2010 17:27:12 -0500 Received: from terminus.zytor.com ([198.137.202.10]:44029 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752509Ab0BQW1K (ORCPT ); Wed, 17 Feb 2010 17:27:10 -0500 Message-ID: <4B7C6D0C.6020801@zytor.com> Date: Wed, 17 Feb 2010 14:26:20 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.7) Gecko/20100120 Fedora/3.0.1-1.fc12 Thunderbird/3.0.1 MIME-Version: 1.0 To: Volker Armin Hemmann CC: Nick Bowler , david@lang.hm, Kyle Moffett , Rudy Zijlstra , Neil Brown , "Mr. James W. Laferriere" , Bill Davidsen , Michael Evans , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org Subject: Re: Linux mdadm superblock question. References: <201002140251.59668.volkerarmin@googlemail.com> <201002171927.07051.volkerarmin@googlemail.com> <20100217183703.GA15446@emergent.ellipticsemi.com> <201002171946.09884.volkerarmin@googlemail.com> In-Reply-To: <201002171946.09884.volkerarmin@googlemail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 885 Lines: 22 On 02/17/2010 10:46 AM, Volker Armin Hemmann wrote: > > well at the moment it takes less than two seconds until init takes over. > > Adding .5 seconds is a lot. And loading the initrd and changing root isn't > free either, true? > > I remember well all the noise in the past about making linux booting faster. > So why slow it down with an initrd - especially if you can do without? > Note that an extremely lightweight initramfs can quite possibly be faster than doing it in the kernel, just because userspace is so much less constrained. I was hoping klibc would catch on for this stuff, but it hasn't as much as I'd like. -hpa -- 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/