Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755161AbZGVWeS (ORCPT ); Wed, 22 Jul 2009 18:34:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754672AbZGVWeS (ORCPT ); Wed, 22 Jul 2009 18:34:18 -0400 Received: from one.firstfloor.org ([213.235.205.2]:60664 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754562AbZGVWeR (ORCPT ); Wed, 22 Jul 2009 18:34:17 -0400 To: Dave Jones Cc: Pavel Vasilyev , linux-kernel@vger.kernel.org Subject: Re: GART_IOMMU without AGP From: Andi Kleen References: <200907221926.50397.pavel@pavlinux.ru> <20090722213746.GA20241@redhat.com> Date: Thu, 23 Jul 2009 00:34:14 +0200 In-Reply-To: <20090722213746.GA20241@redhat.com> (Dave Jones's message of "Wed, 22 Jul 2009 17:37:46 -0400") Message-ID: <87d47s2vq1.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/22.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 898 Lines: 25 Dave Jones writes: > On Wed, Jul 22, 2009 at 07:26:49PM +0400, Pavel Vasilyev wrote: > > In the kernel configuration, if I choose x86_64 and PCI, then choose the item > > "Garth IOMMU support", which, in turn, chooses not to switch off, support for > > AGP. But many IOMMU system does not have AGP bus. > > The lack of AGP slots doesn't mean a lack of AGP bus. > It's part of the K8 on-CPU northbridge. Right. One thing that could be done today is to remove the "if EMBEDDED" for GART_IOMMU though. I don't think it's still deserved, as long as SWIOTLB is enabled. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/