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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 0C9EBC4727F for ; Tue, 29 Sep 2020 00:17:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BE2C4208FE for ; Tue, 29 Sep 2020 00:17:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727067AbgI2ARu (ORCPT ); Mon, 28 Sep 2020 20:17:50 -0400 Received: from mga01.intel.com ([192.55.52.88]:35622 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726698AbgI2ARu (ORCPT ); Mon, 28 Sep 2020 20:17:50 -0400 IronPort-SDR: RbVH6Bc6DLDNbfZBUS24tpwE26LDNf7cIcCHNMF54hRrq3ZtsuhX8gXl1WYElpX1Tuny/jVVQc uKx+Xs/VeuUQ== X-IronPort-AV: E=McAfee;i="6000,8403,9758"; a="180241687" X-IronPort-AV: E=Sophos;i="5.77,315,1596524400"; d="scan'208";a="180241687" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Sep 2020 17:17:49 -0700 IronPort-SDR: vBRBwymd2PTiWX2JYPy/kVamnLH16EZO03swENsMtJAUXMzMi//4+COfuiuFAY5Az4SbuQygQB dsW9T/Fk2OZA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,315,1596524400"; d="scan'208";a="415182150" Received: from allen-box.sh.intel.com (HELO [10.239.159.139]) ([10.239.159.139]) by fmsmga001.fm.intel.com with ESMTP; 28 Sep 2020 17:17:47 -0700 Cc: baolu.lu@linux.intel.com, Ashok Raj , Intel-gfx@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 0/7] Convert the intel iommu driver to the dma-iommu api To: Tvrtko Ursulin , Joerg Roedel , Tom Murphy , David Woodhouse , Christoph Hellwig References: <20200927063437.13988-1-baolu.lu@linux.intel.com> From: Lu Baolu Message-ID: Date: Tue, 29 Sep 2020 08:11:35 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Tvrtko, On 9/28/20 5:44 PM, Tvrtko Ursulin wrote: > > On 27/09/2020 07:34, Lu Baolu wrote: >> Hi, >> >> The previous post of this series could be found here. >> >> https://lore.kernel.org/linux-iommu/20200912032200.11489-1-baolu.lu@linux.intel.com/ >> >> >> This version introduce a new patch [4/7] to fix an issue reported here. >> >> https://lore.kernel.org/linux-iommu/51a1baec-48d1-c0ac-181b-1fba92aa428d@linux.intel.com/ >> >> >> There aren't any other changes. >> >> Please help to test and review. >> >> Best regards, >> baolu >> >> Lu Baolu (3): >>    iommu: Add quirk for Intel graphic devices in map_sg > > Since I do have patches to fix i915 to handle this, do we want to > co-ordinate the two and avoid having to add this quirk and then later > remove it? Or you want to go the staged approach? I have no preference. It depends on which patch goes first. Let the maintainers help here. Best regards, baolu > > Regards, > > Tvrtko > >>    iommu/vt-d: Update domain geometry in iommu_ops.at(de)tach_dev >>    iommu/vt-d: Cleanup after converting to dma-iommu ops >> >> Tom Murphy (4): >>    iommu: Handle freelists when using deferred flushing in iommu drivers >>    iommu: Add iommu_dma_free_cpu_cached_iovas() >>    iommu: Allow the dma-iommu api to use bounce buffers >>    iommu/vt-d: Convert intel iommu driver to the iommu ops >> >>   .../admin-guide/kernel-parameters.txt         |   5 - >>   drivers/iommu/dma-iommu.c                     | 228 ++++- >>   drivers/iommu/intel/Kconfig                   |   1 + >>   drivers/iommu/intel/iommu.c                   | 901 +++--------------- >>   include/linux/dma-iommu.h                     |   8 + >>   include/linux/iommu.h                         |   1 + >>   6 files changed, 336 insertions(+), 808 deletions(-) >>