From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754519AbZKHQgz (ORCPT ); Sun, 8 Nov 2009 11:36:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752801AbZKHQgy (ORCPT ); Sun, 8 Nov 2009 11:36:54 -0500 Received: from terminus.zytor.com ([198.137.202.10]:45366 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752677AbZKHQgy (ORCPT ); Sun, 8 Nov 2009 11:36:54 -0500 Message-ID: <4AF6F393.5050002@zytor.com> Date: Sun, 08 Nov 2009 08:36:35 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3 MIME-Version: 1.0 To: Sam Ravnborg CC: mingo@redhat.com, linux-kernel@vger.kernel.org, hare@suse.de, akpm@linux-foundation.org, tglx@linutronix.de, mingo@elte.hu, linux-tip-commits@vger.kernel.org Subject: Re: [tip:x86/urgent] x86: Add back _end symbol that is missing from Symbol.map References: <200911041519.nA4FJWEW030164@imap1.linux-foundation.org> <20091108113805.GA11847@merkur.ravnborg.org> In-Reply-To: <20091108113805.GA11847@merkur.ravnborg.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/08/2009 03:38 AM, Sam Ravnborg wrote: > > I'm afraid this will break a RELOCTABLE i386 kernel. > > We fixed this up some time ago where we had to > move the symbol definition inside a section > to prevent the symbol being absolute. > It's also possible to have a whitelist of "known relative" symbols in reloc.c, just as we have a blacklist of "known absolute" symbols. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.