From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756914AbZBWSd4 (ORCPT ); Mon, 23 Feb 2009 13:33:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752598AbZBWSds (ORCPT ); Mon, 23 Feb 2009 13:33:48 -0500 Received: from terminus.zytor.com ([198.137.202.10]:46627 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752444AbZBWSdr (ORCPT ); Mon, 23 Feb 2009 13:33:47 -0500 Message-ID: <49A2EBD0.2020303@zytor.com> Date: Mon, 23 Feb 2009 10:32:48 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.19 (X11/20090105) MIME-Version: 1.0 To: Stas Sergeev CC: Linux kernel , Andrew Morton , Zachary Amsden , Chuck Ebbert <76306.1226@compuserve.com>, the arch/x86 maintainers Subject: Re: [patch] small fix to espfix code References: <49A2CB13.4080708@aknet.ru> In-Reply-To: <49A2CB13.4080708@aknet.ru> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Stas Sergeev wrote: > > The bug is mostly theoretical, I can't > really test the effect of this patch. > So, it is completely untested. > It's not a bug, as the stack is aligned such that 16-bit overflow can't happen. However, it is arguably cleaner to have addl here. -hpa