From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992954AbXDYTLG (ORCPT ); Wed, 25 Apr 2007 15:11:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992958AbXDYTLG (ORCPT ); Wed, 25 Apr 2007 15:11:06 -0400 Received: from mx2.suse.de ([195.135.220.15]:33199 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992954AbXDYTLF (ORCPT ); Wed, 25 Apr 2007 15:11:05 -0400 From: Andi Kleen Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg) To: Dave Jones Subject: Re: pgprot_writecombine() and PATs on x86 Date: Wed, 25 Apr 2007 21:10:49 +0200 User-Agent: KMail/1.9.6 Cc: Roland Dreier , "Eric W. Biederman" , linux-kernel@vger.kernel.org, mst@mellanox.co.il, jackm@mellanox.co.il References: <200704252019.28017.ak@suse.de> <20070425184108.GB23721@redhat.com> In-Reply-To: <20070425184108.GB23721@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200704252110.49603.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 25 April 2007 20:41:08 Dave Jones wrote: > On Wed, Apr 25, 2007 at 08:19:27PM +0200, Andi Kleen wrote: > > On Wednesday 25 April 2007 20:02:26 Roland Dreier wrote: > > > Hi Eric, > > > > > > Where do your patches to add an implementation of > > > pgprot_writecombine() using PATs on x86 stand? > > > > It's on my todo list. > > Whats the status on the code at ftp://ftp.firstfloor.org/pub/ak/pat/patches ? > I've not given it much more than a quick skim, so I'm not sure what > it's capable of/what its missing etc.. That code has a couple of problems and is relatively broken -Andi