From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753941AbYDZJvi (ORCPT ); Sat, 26 Apr 2008 05:51:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750967AbYDZJv3 (ORCPT ); Sat, 26 Apr 2008 05:51:29 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:60820 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750977AbYDZJv3 (ORCPT ); Sat, 26 Apr 2008 05:51:29 -0400 Date: Sat, 26 Apr 2008 11:51:15 +0200 From: Ingo Molnar To: Dave Airlie Cc: linux-kernel@vger.kernel.org, mingo@redhat.com, arjan@linux.intel.com, Dave Airlie Subject: Re: [PATCH] x86: create array based interface to chagne page attribute Message-ID: <20080426095115.GA15212@elte.hu> References: <1209202037-6513-1-git-send-email-airlied@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1209202037-6513-1-git-send-email-airlied@redhat.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Dave Airlie wrote: > From: Dave Airlie > > 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. thanks Dave, applied. Ingo