From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754868Ab1HYRWl (ORCPT ); Thu, 25 Aug 2011 13:22:41 -0400 Received: from ch-smtp05.sth.basefarm.net ([80.76.153.6]:55154 "EHLO ch-smtp05.sth.basefarm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753667Ab1HYRWk (ORCPT ); Thu, 25 Aug 2011 13:22:40 -0400 Message-ID: <4E56848C.90801@fastmail.fm> Date: Thu, 25 Aug 2011 19:21:16 +0200 From: anders eriksson User-Agent: Mozilla/5.0 (X11; Linux i686; rv:5.0) Gecko/20110813 Thunderbird/5.0 MIME-Version: 1.0 To: Tejun Heo CC: Linus Torvalds , Suresh Siddha , Peter Anvin , Ingo Molnar , Sergei Shtylyov , linux-kernel@vger.kernel.org Subject: Re: mtrr failure, 3.1-rc1 References: <20110825070335.3095B3BC183@tippex.mynet.homeunix.org> <20110825164649.GL2803@mtj.dyndns.org> In-Reply-To: <20110825164649.GL2803@mtj.dyndns.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: 83.252.233.92 X-Scan-Result: No virus found in message 1Qwdd7-0005rC-HV. X-Scan-Signature: ch-smtp05.sth.basefarm.net 1Qwdd7-0005rC-HV b2461b06379fd37fe97f7cdb4016364f Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2011-08-25 18:46, Tejun Heo wrote: > Indeed, while removing custom rendezvous code and switching to > stop_machine, commit 192d8857427d "x86, mtrr: use stop_machine APIs > for doing MTRR rendezvous" completely dropped mtrr setting code on > !CONFIG_SMP. > > Anders, if your kernel didn't have SMP turned on, can you please > verify the following patch fixes the problem? Yes. It's single CPU compiled with !CONFIG_SMP. I'm compiling w/ this patch right now. Takes a while on vintage equipment... ;-)