From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965158AbXA3PvP (ORCPT ); Tue, 30 Jan 2007 10:51:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965098AbXA3PvP (ORCPT ); Tue, 30 Jan 2007 10:51:15 -0500 Received: from ns2.gothnet.se ([82.193.160.251]:6717 "EHLO GOTHNET-SMTP2.gothnet.se" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965158AbXA3PvO convert rfc822-to-8bit (ORCPT ); Tue, 30 Jan 2007 10:51:14 -0500 Message-ID: <45BF6950.4080007@tungstengraphics.com> Date: Tue, 30 Jan 2007 16:50:40 +0100 From: =?ISO-8859-1?Q?Thomas_Hellstr=F6m?= User-Agent: Thunderbird 1.5.0.7 (X11/20060921) MIME-Version: 1.0 To: Dave Jones , =?ISO-8859-1?Q?Thomas_Hellstr=F6m?= , Linux Kernel Subject: Re: Support for i386 PATs References: <45BB1952.8000903@tungstengraphics.com> <20070128214832.GD23903@redhat.com> In-Reply-To: <20070128214832.GD23903@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed X-BitDefender-Scanner: Mail not scanned due to license constraints Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Dave Jones wrote: > On Sat, Jan 27, 2007 at 10:20:18AM +0100, Thomas Hellström wrote: > > Hi! > > > > Does anybody have a strong opinion against adding support for > > i386 Page Attribute Tables? > > It pops up about once a year, everyone agrees it'd be a good idea, > and then nothing happens. Last year, I started picking over > Terrence Ripperda's original implementation, but that needs a bit > of work. (http://lkml.org/lkml/2005/5/12/187) > Whoa, two years even. Time flies. > > Dave > > Ah. This might explain why nothing happens :). I had something much simpler in mind. Just the basic PAT setup and some new pgprot_ types which affected drivers could use directly. Like in(drivers/char/drm/drm_vm.c) where ia64 has a pgprot_writecombine() function. /Thomas