Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422934AbWKKAnt (ORCPT ); Fri, 10 Nov 2006 19:43:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1424467AbWKKAnt (ORCPT ); Fri, 10 Nov 2006 19:43:49 -0500 Received: from dsl027-180-168.sfo1.dsl.speakeasy.net ([216.27.180.168]:19632 "EHLO sunset.davemloft.net") by vger.kernel.org with ESMTP id S1422934AbWKKAnt (ORCPT ); Fri, 10 Nov 2006 19:43:49 -0500 Date: Fri, 10 Nov 2006 16:43:49 -0800 (PST) Message-Id: <20061110.164349.35665774.davem@davemloft.net> To: jeremy@goop.org Cc: magnus.damm@gmail.com, horms@verge.net.au, ebiederm@xmission.com, magnus@valinux.co.jp, linux-kernel@vger.kernel.org, vgoyal@in.ibm.com, ak@muc.de, fastboot@lists.osdl.org, anderson@redhat.com Subject: Re: [PATCH 02/02] Elf: Align elf notes properly From: David Miller In-Reply-To: <455518C6.8000905@goop.org> References: <45550D2F.2070004@goop.org> <20061110.153930.23011358.davem@davemloft.net> <455518C6.8000905@goop.org> X-Mailer: Mew version 4.2 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 873 Lines: 21 From: Jeremy Fitzhardinge Date: Fri, 10 Nov 2006 16:26:46 -0800 > David Miller wrote: > > I think Elf64 notes very much would need 64-bit alignment, especially > > if there are u64 objects in there. Otherwise it would not be possible > > to directly dereference such objects without taking unaligned faults > > on several types of RISC cpus. > > > > That doesn't appear to have been a problem. We should be OK with the elf note header since n_namesz, n_descsz, and n_type are 32-bit types even on Elf64. But for the contents embedded in the note, I am not convinced that there are no potential issues. - 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/