Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754744Ab0G2Ife (ORCPT ); Thu, 29 Jul 2010 04:35:34 -0400 Received: from sh.osrg.net ([192.16.179.4]:39710 "EHLO sh.osrg.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750938Ab0G2Ifc (ORCPT ); Thu, 29 Jul 2010 04:35:32 -0400 Date: Thu, 29 Jul 2010 17:35:10 +0900 To: arnd@arndb.de Cc: fujita.tomonori@lab.ntt.co.jp, joerg.roedel@amd.com, stepanm@codeaurora.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, dwalker@codeaurora.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] arm: msm: Add System MMU support. From: FUJITA Tomonori In-Reply-To: <201007291026.55928.arnd@arndb.de> References: <20100729123512Y.fujita.tomonori@lab.ntt.co.jp> <201007291026.55928.arnd@arndb.de> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20100729173431Q.fujita.tomonori@lab.ntt.co.jp> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (sh.osrg.net [192.16.179.4]); Thu, 29 Jul 2010 17:35:11 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1206 Lines: 24 On Thu, 29 Jul 2010 10:26:55 +0200 Arnd Bergmann wrote: > On Thursday 29 July 2010 05:35:48 FUJITA Tomonori wrote: > > > > > > From what I have been able to tell, the IOMMU interface was written by > > > AMD/Intel to allow the kvm code to work with a common IOMMU interface. To > > > > Don't confuse the IOMMU interface with the DMA API that Arnd > > mentioned. > > > > They are not related at all. > > Exactly, thanks for the clarification. I also didn't realize that there > is now an include/linux/iommu.h file that only describes the PCI SR-IOV > interfaces, unlike the generic IOMMU support that we have in your > include/linux/dma-mapping.h file. > > Maybe we should rename linux/iommu.h to something more specific so we > can reduce this confusion in the future. I also said that linux/iommu.h was a bad name when it was introduced :) Well, the author disagreed. Now the name actually confuse developers. The author might rethink. -- 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/