From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753200AbZHJJOH (ORCPT ); Mon, 10 Aug 2009 05:14:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753138AbZHJJOE (ORCPT ); Mon, 10 Aug 2009 05:14:04 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:46201 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753060AbZHJJOB (ORCPT ); Mon, 10 Aug 2009 05:14:01 -0400 Subject: Re: [RFC patch] return early if all dmar HW unit ignored From: David Woodhouse To: Luming Yu Cc: LKML In-Reply-To: <3877989d0908092321h56afcc7ve9fe39fa68f42a48@mail.gmail.com> References: <3877989d0907310129p29dd5039p18563946b9be8099@mail.gmail.com> <1249369794.9324.18.camel@macbook.infradead.org> <3877989d0908092321h56afcc7ve9fe39fa68f42a48@mail.gmail.com> Content-Type: text/plain Date: Mon, 10 Aug 2009 10:13:59 +0100 Message-Id: <1249895639.4919.133.camel@macbook.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.26.3 (2.26.3-1.fc11) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.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 Mon, 2009-08-10 at 14:21 +0800, Luming Yu wrote: > > But I don't know why I were seeing faults if all dmar units were > ignored? Surely that shouldn't happen? Will double check and > investigate. It shouldn't happen -- I suspect that you didn't actually mark them _all_ ignored? What happens if you modify my patch just to mark the offending unit as ignored, but don't also apply your patch? Does it boot then? -- David Woodhouse Open Source Technology Centre David.Woodhouse@intel.com Intel Corporation