From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751860Ab1LHUnj (ORCPT ); Thu, 8 Dec 2011 15:43:39 -0500 Received: from mail-qy0-f174.google.com ([209.85.216.174]:65342 "EHLO mail-qy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751770Ab1LHUng (ORCPT ); Thu, 8 Dec 2011 15:43:36 -0500 Date: Thu, 8 Dec 2011 15:47:39 -0500 From: Jerome Glisse To: Joerg Roedel Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/22] Initial AMD IOMMUv2 support Message-ID: <20111208204739.GC3179@homer.localdomain> References: <1323092077-25501-1-git-send-email-joerg.roedel@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1323092077-25501-1-git-send-email-joerg.roedel@amd.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 05, 2011 at 02:34:15PM +0100, Joerg Roedel wrote: > Hi, > > here is a patch-set that adds initial support for the AMD IOMMU version > 2 to the Linux kernel. The main feature of the new IOMMU version is > support for DMA demand-paging and multiple DMA address spaces per > device. > The patch-set consists of 2 parts. Patches 1-16 implement the hardware > access functions to setup and manage the IOMMUv2 functionality of the > hardware. Patches 17-22 implement a seperate module which makes use > these functions to implement a page-fault handler for devices which can > be used by real device drivers. > > Any feedback appreciated. > > Thanks, > > Joerg > What hw/chipset/CPU support this functionality ? Cheers, Jerome