Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968434AbXEIFzV (ORCPT ); Wed, 9 May 2007 01:55:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932760AbXEIFzI (ORCPT ); Wed, 9 May 2007 01:55:08 -0400 Received: from terminus.zytor.com ([192.83.249.54]:50262 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933856AbXEIFzG (ORCPT ); Wed, 9 May 2007 01:55:06 -0400 Message-ID: <46416217.1070202@zytor.com> Date: Tue, 08 May 2007 22:54:31 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: yhlu CC: "Eric W. Biederman" , Jeremy Fitzhardinge , vgoyal@in.ibm.com, Gerd Hoffmann , Jeff Garzik , patches@x86-64.org, linux-kernel@vger.kernel.org, virtualization , Rusty Russell , Andi Kleen , Ingo Molnar Subject: Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage References: <4634483E.9030307@goop.org> <4640FB2C.2060300@zytor.com> <86802c440705081541v7d0773cek2c5fae1854b68bbc@mail.gmail.com> <46410403.4050802@zytor.com> <46413087.2020505@zytor.com> <86802c440705082152g49d4d3echf3eb165ce4feb2e9@mail.gmail.com> <46415640.6000600@zytor.com> <4641573C.1000205@zytor.com> <86802c440705082248r5248aa08s8299e03f615b984a@mail.gmail.com> In-Reply-To: <86802c440705082248r5248aa08s8299e03f615b984a@mail.gmail.com> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1049 Lines: 24 yhlu wrote: > On 5/8/07, H. Peter Anvin wrote: >> H. Peter Anvin wrote: >> Of course, one could argue that since all of those were obsolete by the >> time Linux was first created, that it probably doesn't matter and that >> isVGA == 0 pretty much means the more obvious thing. >> >> MDA/HGC stuck around for quite a while for debugging, since it was >> non-conflicting with VGA, but even if it is, the reason people put it in >> their system is to have something that the OS doesn't readily see. >> > so the kexec tools need to scan the pci devices list, and find out how > to set real_mode.isVGA and orig_video_mode, also need to parse the > comand line about vga console. A better way, probably, would be for the kernel to export the boot_params structure so kexec can reuse it. -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/