From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754899Ab1GVSh2 (ORCPT ); Fri, 22 Jul 2011 14:37:28 -0400 Received: from terminus.zytor.com ([198.137.202.10]:60749 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754868Ab1GVSh1 (ORCPT ); Fri, 22 Jul 2011 14:37:27 -0400 Message-ID: <4E29C1DF.9080705@zytor.com> Date: Fri, 22 Jul 2011 11:30:55 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110621 Fedora/3.1.11-1.fc15 Thunderbird/3.1.11 MIME-Version: 1.0 To: Michal Hocko CC: Venkatesh Pallipadi , x86@kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar Subject: Re: [PATCH] x86, PAT: honor CONFIG_STRICT_DEVMEM if pat is disable] References: <20110722091151.GA4004@tiehlicka.suse.cz> <4E29A20C.70402@zytor.com> <20110722173102.GA26935@tiehlicka.suse.cz> In-Reply-To: <20110722173102.GA26935@tiehlicka.suse.cz> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/22/2011 10:31 AM, Michal Hocko wrote: > > Thanks for the clarification! > What do you think about fixing the nopat with STRICT_DEVMEM like the > patch does? > >>From what I gather from your patch, the issue is that STRICT_DEVMEM isn't being honored with nopat? This is an obvious bug and should be fixed. -hpa