From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 198D7C10F27 for ; Tue, 10 Mar 2020 10:58:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EB07621D7E for ; Tue, 10 Mar 2020 10:58:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726258AbgCJK6R (ORCPT ); Tue, 10 Mar 2020 06:58:17 -0400 Received: from 8bytes.org ([81.169.241.247]:50788 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725937AbgCJK6R (ORCPT ); Tue, 10 Mar 2020 06:58:17 -0400 Received: by theia.8bytes.org (Postfix, from userid 1000) id 73287364; Tue, 10 Mar 2020 11:58:15 +0100 (CET) Date: Tue, 10 Mar 2020 11:58:14 +0100 From: Joerg Roedel To: Christoph Hellwig Cc: Lu Baolu , ashok.raj@intel.com, jacob.jun.pan@linux.intel.com, kevin.tian@intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Daniel Drake , Derrick Jonathan , Jerry Snitselaar , Robin Murphy Subject: Re: [PATCH 3/6] iommu/vt-d: Don't force 32bit devices to uses DMA domain Message-ID: <20200310105813.GE3794@8bytes.org> References: <20200307062014.3288-1-baolu.lu@linux.intel.com> <20200307062014.3288-4-baolu.lu@linux.intel.com> <20200307142144.GB26190@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200307142144.GB26190@lst.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Mar 07, 2020 at 03:21:44PM +0100, Christoph Hellwig wrote: > Can we add a new AUTO domain which will allow using the identity > mapping when available? That somewhat matches the existing x86 > default, and also what powerpc does. I have a series to lift > that bypass mode into the core dma-mapping code that I need > to repost, which I think would be suitable for intel-iommu as well. Please Cc me on that series when you re-post it. Thanks, Joerg