Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S274986AbTHFUeJ (ORCPT ); Wed, 6 Aug 2003 16:34:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S274988AbTHFUeI (ORCPT ); Wed, 6 Aug 2003 16:34:08 -0400 Received: from e33.co.us.ibm.com ([32.97.110.131]:31962 "EHLO e33.co.us.ibm.com") by vger.kernel.org with ESMTP id S274986AbTHFUeF (ORCPT ); Wed, 6 Aug 2003 16:34:05 -0400 Subject: Re: [RFC][PATCH] linux-2.6.0-test2_mtrr-race-fix_A0 From: john stultz To: Zwane Mwaikambo Cc: Mathias =?ISO-8859-1?Q?Fr=F6hlich?= , lkml , Mark Haverkamp , Dave Jones In-Reply-To: References: <200308061052.18550.Mathias.Froehlich@web.de> <1060190104.10732.52.camel@cog.beaverton.ibm.com> Content-Type: text/plain Organization: Message-Id: <1060201495.10732.75.camel@cog.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.4 Date: 06 Aug 2003 13:24:55 -0700 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 930 Lines: 21 On Wed, 2003-08-06 at 11:31, Zwane Mwaikambo wrote: > The intel manual (10-36 Memory Cache Control - vol3) actually recommends > the following procedure I was a bit anal about explicitely setting and > clearing flags and used the specific TLB flush via cr3->reg->cr3. John > could you give this a spin on your afflicted systems? I'm not quite sure I follow. Really I've never looked at the mtrr code before, so forgive my daftness. I just found a deadlock that was locking my box caused by the synchronization between ipi_handler() and set_mtrr() (which Mark's patch seems to properly fix). How does this change affect the deadlock? Is this just a separate issue? thanks -john - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/