Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761603AbYGBCFF (ORCPT ); Tue, 1 Jul 2008 22:05:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757739AbYGBCEz (ORCPT ); Tue, 1 Jul 2008 22:04:55 -0400 Received: from terminus.zytor.com ([198.137.202.10]:34302 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755860AbYGBCEy (ORCPT ); Tue, 1 Jul 2008 22:04:54 -0400 Message-ID: <486AE182.1020906@zytor.com> Date: Tue, 01 Jul 2008 19:01:38 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: "Eric W. Biederman" CC: Jeremy Fitzhardinge , Mike Travis , Christoph Lameter , Linux Kernel Mailing List Subject: Re: [crash, bisected] Re: [PATCH 3/4] x86_64: Fold pda into per cpu area References: <20080604003018.538497000@polaris-admin.engr.sgi.com> <485ACD92.8050109@sgi.com> <485AD138.4010404@goop.org> <485ADA12.5010505@sgi.com> <485ADC73.60009@goop.org> <485BDB04.4090709@sgi.com> <485BE80E.10209@goop.org> <485BF8F5.6010802@goop.org> <485BFFC5.6020404@sgi.com> <486912C4.8070705@sgi.com> <48691556.2080208@zytor.com> <48691E8B.4040605@sgi.com> <48694B3B.3010600@goop.org> <486A61A7.1000902@zytor.com> <486A68DD.80702@goop.org> <486A9D4F.8010508@goop.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 746 Lines: 18 Eric W. Biederman wrote: > > For i386 since virtual address space is precious and because there were > concerns about putting code in __pa we actually relocate the kernel symbols > during load right after decompression. When we do relocations absolute > symbols are a killer. > Well, it means making it clear to the relocator if it should relocate those symbols or not. Since IIRC we're doing "all or nothing" relocation, the relative offsets are always the same, even between sections. -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/