From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754773AbZBZSyj (ORCPT ); Thu, 26 Feb 2009 13:54:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752234AbZBZSya (ORCPT ); Thu, 26 Feb 2009 13:54:30 -0500 Received: from casper.infradead.org ([85.118.1.10]:53768 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752344AbZBZSy3 (ORCPT ); Thu, 26 Feb 2009 13:54:29 -0500 Subject: Re: [PATCH] x86: enable DMAR by default From: David Woodhouse To: Ingo Molnar Cc: Kyle McMartin , "H. Peter Anvin" , Thomas Gleixner , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20090226180304.GA10940@elte.hu> References: <20090226175756.GP6690@bombadil.infradead.org> <20090226180304.GA10940@elte.hu> Content-Type: text/plain Date: Fri, 27 Feb 2009 03:54:00 +0900 Message-Id: <1235674440.8730.119.camel@macbook.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.24.4 (2.24.4-1.fc10) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2009-02-26 at 19:03 +0100, Ingo Molnar wrote: > * Kyle McMartin wrote: > > > From: Kyle McMartin > > > > Now that the obvious bugs have been worked out, specifically > > the iwlagn issue, and the write buffer errata, DMAR should be > > safe to turn back on by default. (We've had it on since those > > patches were first written a few weeks ago, without any > > noticeable bug reports (most have been due to the dma-api > > debug patchset.)) > > > > Signed-off-by: Kyle McMartin > > > > --- > > Probably 2.6.29 material, but should definitely go in for 2.6.30. > > Definitely agreed on .30. Can do it in .29 as well if David and > the rest of the Cc: agrees. Definitely. I wasn't any happier than you were with the patch which disabled it in the first place.... but it was necessary at the time. Enthusiastically-Acked-by: David Woodhouse -- David Woodhouse Open Source Technology Centre David.Woodhouse@intel.com Intel Corporation