Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756924AbXH0MJq (ORCPT ); Mon, 27 Aug 2007 08:09:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756573AbXH0MId (ORCPT ); Mon, 27 Aug 2007 08:08:33 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:47666 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756164AbXH0MIc (ORCPT ); Mon, 27 Aug 2007 08:08:32 -0400 Date: Mon, 27 Aug 2007 09:53:17 +0200 From: Pavel Machek To: "Huang, Ying" Cc: vgoyal@in.ibm.com, "Eric W. Biederman" , nigel@nigel.suspend2.net, Andrew Morton , Jeremy Maitin-Shepard , Alan Stern , linux-pm@lists.linux-foundation.org, Kexec Mailing List , linux-kernel@vger.kernel.org Subject: Re: [RFC][PATCH 0/2 -mm] kexec based hibernation Message-ID: <20070827075317.GB2060@elf.ucw.cz> References: <1188177245.3247.36.camel@caritas-dev.intel.com> <20070827050027.GB9809@in.ibm.com> <1188195529.3247.82.camel@caritas-dev.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1188195529.3247.82.camel@caritas-dev.intel.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1134 Lines: 35 Hi! > > Does this make sense? > > Yes, this is a sensible optimization. But I think it may be better to > make bootloader load kernel D directly into a specified memory location. > For example, we can add a option to "kernel" command of grub. > > And, I think we can do more in bootloader. Such as we can prepare > two Yes, that would be nice. It will mean quite a bit of work, but I guess it should be the long term goal. Loading restore kernel directly from bootloader means: 1) it is fast -- no need to boot another kernel 2) it is "classical" way of doing things On the other hand, we loose flexibility that way: 1) it locks you onto one bootloader 2) you no longer have userland there to do uncompression, decryption, etc.. Pave -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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/