Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759491AbXEMTt5 (ORCPT ); Sun, 13 May 2007 15:49:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757431AbXEMTtu (ORCPT ); Sun, 13 May 2007 15:49:50 -0400 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:51247 "EHLO ebiederm.dsl.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756276AbXEMTtt (ORCPT ); Sun, 13 May 2007 15:49:49 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: "Yinghai Lu" Cc: "Andi Kleen" , "Andrew Morton" , "Vivek Goyal" , "Linux Kernel Mailing List" Subject: Re: [PATCH]x86_64: build and use GDT on copied compressed kernel References: <86802c440705122233y327756e7te534199f46b2059d@mail.gmail.com> <86802c440705122329y27c6ef92v8cff43d52b99ae69@mail.gmail.com> <86802c440705122355r5f811d5bg2006b0b22ca885e6@mail.gmail.com> <86802c440705130027vce147dma85a07de6489d666@mail.gmail.com> <86802c440705131101r5b32e0b9j28e2248813b25b64@mail.gmail.com> Date: Sun, 13 May 2007 13:49:02 -0600 In-Reply-To: <86802c440705131101r5b32e0b9j28e2248813b25b64@mail.gmail.com> (Yinghai Lu's message of "Sun, 13 May 2007 11:01:33 -0700") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 855 Lines: 24 "Yinghai Lu" writes: > Eric, > > I got one question about kexec and bzImage on 64bit kernel. > > The bzImage for 64bit kernel must be loaded under 4G? > but vmlinux for 64bit kernel could be loaded above 4G. > > So is there any plan to use 64bit entry point (startup_64) in > arch/x86_64/boot/compressed/vmlinux in bzImage? so you may > load bzImage above 4G too. We have big boot protocol revision coming up to more clearly document what is needed to work with the native entry points. It is a 2.6.23 targeted thing and that is one of the things that we are likely to look at. Eric - 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/