From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423252AbWJSFPc (ORCPT ); Thu, 19 Oct 2006 01:15:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423253AbWJSFPc (ORCPT ); Thu, 19 Oct 2006 01:15:32 -0400 Received: from mtagate4.de.ibm.com ([195.212.29.153]:63160 "EHLO mtagate4.de.ibm.com") by vger.kernel.org with ESMTP id S1423252AbWJSFPb (ORCPT ); Thu, 19 Oct 2006 01:15:31 -0400 Date: Thu, 19 Oct 2006 07:15:28 +0200 From: Muli Ben-Yehuda To: Andi Kleen Cc: Sebastian Biallas , linux-kernel@vger.kernel.org Subject: Re: PCI-DMA: Disabling IOMMU Message-ID: <20061019051528.GE4582@rhun.haifa.ibm.com> References: <45364248.2020901@biallas.net> <20061018211509.GB4582@rhun.haifa.ibm.com> <200610182348.44968.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200610182348.44968.ak@suse.de> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 18, 2006 at 11:48:44PM +0200, Andi Kleen wrote: > On Wednesday 18 October 2006 23:15, Muli Ben-Yehuda wrote: > > On Wed, Oct 18, 2006 at 05:03:36PM +0200, Sebastian Biallas wrote: > > > > > Should I worry about this IOMMU-disabling? All other Linux/IOMMU stuff I > > > found had AGP or BIOS messages nearby, but I only get this single > > > "PCI-DMA: Disabling IOMMU" line, without any hint. > > > > No, it's fine. Just a badly worded information message. Andi, how > > about something like this? > > I think the original message is fine. I'm sure someone will be alarmed > about any possible message, but we can't help them. The original message is misleading - there may certainly be more than one IOMMU and then we will end up "disabling IOMMU" and then "reenabling IOMMU" later when we detect another one. Can we at least make it "disabling GART IOMMU"? Cheers, Muli