From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756102AbYGNCnS (ORCPT ); Sun, 13 Jul 2008 22:43:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754315AbYGNCnG (ORCPT ); Sun, 13 Jul 2008 22:43:06 -0400 Received: from terminus.zytor.com ([198.137.202.10]:47273 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754299AbYGNCnF (ORCPT ); Sun, 13 Jul 2008 22:43:05 -0400 Message-ID: <487ABB81.8020100@zytor.com> Date: Sun, 13 Jul 2008 19:35:45 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: "Rafael J. Wysocki" CC: Andi Kleen , Andy Lutomirski , Matthew Garrett , Ingo Molnar , public-kernel-testers-u79uwXL29TY76Z2rM5mHXA@lo.gmane.org, ACPI Devel Maling List , LKML , pm list , Pavel Machek Subject: Re: [RFT] x86 acpi: normalize segment descriptor register on resume References: <200807010148.02135.rjw@sisk.pl> <200807132115.08230.rjw@sisk.pl> <487A617B.80707@firstfloor.org> <200807132229.43140.rjw@sisk.pl> In-Reply-To: <200807132229.43140.rjw@sisk.pl> 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 Rafael J. Wysocki wrote: > > If s3_bios depends on the (invalid) contents of the hidden part of any segment > register, it's just terminally broken. > Depending on it being in Big Real Mode isn't all that broken, however, especially on laptops where the vendor has control over the system BIOS/video BIOS. Enabling BRM by default *shouldn't* break anything, so it might be what we want to do anyway. -hpa