Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933894AbZKXSaG (ORCPT ); Tue, 24 Nov 2009 13:30:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933785AbZKXSaF (ORCPT ); Tue, 24 Nov 2009 13:30:05 -0500 Received: from hera.kernel.org ([140.211.167.34]:43287 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933085AbZKXSaE (ORCPT ); Tue, 24 Nov 2009 13:30:04 -0500 Message-ID: <4B0C25E7.2040806@kernel.org> Date: Tue, 24 Nov 2009 10:28:55 -0800 From: Yinghai Lu User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Ingo Molnar CC: FUJITA Tomonori , hpa@zytor.com, tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86: fix gart iommu using for amd 64 bit system References: <4B0BAC06.1000905@kernel.org> <20091124193031P.fujita.tomonori@lab.ntt.co.jp> <4B0BB892.9080401@kernel.org> <20091124225000H.fujita.tomonori@lab.ntt.co.jp> <20091124152645.GD21821@elte.hu> In-Reply-To: <20091124152645.GD21821@elte.hu> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 634 Lines: 18 Ingo Molnar wrote: > * FUJITA Tomonori wrote: > >>> don't think user will like to use SWIOTLB instead of swiotlb. >> I doubt that users care about a way to fix their problems. > > As far as swiotlb vs. GART goes, arguably a non-bouncing hw based > solution (GART) is superior to a bouncing one (swiotlb), right? > yes, should use GART if possible. YH -- 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/