From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759774AbYDASVE (ORCPT ); Tue, 1 Apr 2008 14:21:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758029AbYDASUy (ORCPT ); Tue, 1 Apr 2008 14:20:54 -0400 Received: from mga06.intel.com ([134.134.136.21]:3019 "EHLO orsmga101.jf.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756507AbYDASUy (ORCPT ); Tue, 1 Apr 2008 14:20:54 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.25,588,1199692800"; d="scan'208";a="266365847" Message-ID: <47F27D05.5000108@linux.intel.com> Date: Tue, 01 Apr 2008 11:20:53 -0700 From: Arjan van de Ven User-Agent: Thunderbird 2.0.0.12 (Windows/20080213) MIME-Version: 1.0 To: Dave Airlie CC: linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, thomas@tungstengraphics.com Subject: Re: [PATCH] x86: create array based interface to change page attribute References: <1206940788.7250.13.camel@clockmaker.usersys.redhat.com> In-Reply-To: <1206940788.7250.13.camel@clockmaker.usersys.redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dave Airlie wrote: > When cpa was refactored to the new set_memory_ interfaces, it removed > a special case fast path for AGP systems, which did a lot of page by page > attribute changing and held the flushes until they were finished. The > DRM memory manager also required this to get useable speeds. > > This introduces a new interface, which accepts an array of memory addresses > to have attributes changed on and to flush once finished. > > Further changes to the AGP stack to actually use this interface will be > published later. Acked-by: Arjan van de Ven