From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758688Ab3BKSLb (ORCPT ); Mon, 11 Feb 2013 13:11:31 -0500 Received: from terminus.zytor.com ([198.137.202.10]:38917 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758503Ab3BKSLb (ORCPT ); Mon, 11 Feb 2013 13:11:31 -0500 Message-ID: <511933F5.9000902@zytor.com> Date: Mon, 11 Feb 2013 10:09:57 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Dave Hansen CC: Borislav Petkov , linux-kernel@vger.kernel.org, linux-mm@kvack.org, mingo@kernel.org, tglx@linutronix.de Subject: Re: [PATCH 1/2] add helper for highmem checks References: <20130208202813.62965F25@kernel.stglabs.ibm.com> <20130209094121.GB17728@pd.tnic> <20130209104751.GC17728@pd.tnic> <51192B39.9060501@linux.vnet.ibm.com> In-Reply-To: <51192B39.9060501@linux.vnet.ibm.com> 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 On 02/11/2013 09:32 AM, Dave Hansen wrote: > On 02/09/2013 02:47 AM, Borislav Petkov wrote: >> On Sat, Feb 09, 2013 at 10:41:21AM +0100, Borislav Petkov wrote: >> With this change, they definitely fix something because I even get X on >> the box started. Previously, it would spit out the warning and wouldn't >> start X with the login window. And my suspicion is that wdm (WINGs >> display manager) I'm using, does /dev/mem accesses when it starts and it >> obviously failed. Now not so much :-) > > That's crazy. Didn't expect that at all. > > I guess X is happier getting an error than getting random pages back. > I'm working on a set of patches now that should get it _working_ instead > of just returning an error. > Awesome :) -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.