From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934926AbXLNWlB (ORCPT ); Fri, 14 Dec 2007 17:41:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934291AbXLNWhR (ORCPT ); Fri, 14 Dec 2007 17:37:17 -0500 Received: from nz-out-0506.google.com ([64.233.162.227]:8654 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934143AbXLNWhP (ORCPT ); Fri, 14 Dec 2007 17:37:15 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=iBRX9FJgs9nFGykqfonVKHNJij+9MUhUyt1oTjN8tGsHX68UcHJg+TG6qWAbN42Va4BQnvUSJVGA0rLDF1RoqjtKYM6tFuoxqQovzxir8/a6HHsPvjw7POnxk/afKT4XwiExB97VOAPNyLdomrVHTQ/w8wiDvrk9+QCvG1xuDe8= Message-ID: <21d7e9970712141437r1b85bb12t6fca34ad62950cb3@mail.gmail.com> Date: Sat, 15 Dec 2007 08:37:13 +1000 From: "Dave Airlie" To: "H. Peter Anvin" Subject: Re: [RFC PATCH 00/12] PAT 64b: PAT support for X86_64 Cc: "Siddha, Suresh B" , "Dave Airlie" , venkatesh.pallipadi@intel.com, ak@muc.de, ebiederm@xmission.com, rdreier@cisco.com, torvalds@linux-foundation.org, gregkh@suse.de, davej@redhat.com, mingo@elte.hu, tglx@linutronix.de, akpm@linux-foundation.org, arjan@infradead.org, jesse.barnes@intel.com, linux-kernel@vger.kernel.org In-Reply-To: <47630462.6040203@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20071213235543.568682000@intel.com> <20071214220015.GD717@linux-os.sc.intel.com> <21d7e9970712141427h25c84e9g76237a93e634fa76@mail.gmail.com> <47630462.6040203@zytor.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > It doesn't work really, which is mostly the problem :) > > > > We mostly use UC on these pages, or WB within cache coherent domains. > > mtrrs are totally useless in this situation. > > > > In what sense does it not work? oh I was mostly joking hence the smily.. really it just means thing run slower than they need to.. Dave.