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 B684EC43468 for ; Sun, 20 Sep 2020 06:36:57 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 53F792085B for ; Sun, 20 Sep 2020 06:36:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 53F792085B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A73176E188; Sun, 20 Sep 2020 06:36:56 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9E69C6E188 for ; Sun, 20 Sep 2020 06:36:53 +0000 (UTC) IronPort-SDR: 4r/lgDXGfoZf5BxP9obsImJXDB/aD/luq9fhWQ5cMEme926fG2FxIUwtVy7upcTqzeEjZXT9UB 5JDivt36HumA== X-IronPort-AV: E=McAfee;i="6000,8403,9749"; a="178286129" X-IronPort-AV: E=Sophos;i="5.77,281,1596524400"; d="scan'208";a="178286129" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2020 23:36:53 -0700 IronPort-SDR: jabbN3qQsO/QbcFPJwnrAIPouqbK8zIgTL8nP5gVkx2hTZ+WRQO216CTjg+hH0Rcn4dLkQQA4T ixr2XHqNPtSQ== X-IronPort-AV: E=Sophos;i="5.77,281,1596524400"; d="scan'208";a="308504530" Received: from blu2-mobl3.ccr.corp.intel.com (HELO [10.254.213.187]) ([10.254.213.187]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2020 23:36:50 -0700 To: Logan Gunthorpe , Joerg Roedel , Tom Murphy , David Woodhouse , Christoph Hellwig References: <20200912032200.11489-1-baolu.lu@linux.intel.com> <776771a2-247a-d1be-d882-bee02d919ae0@deltatee.com> From: Lu Baolu Message-ID: Date: Sun, 20 Sep 2020 14:36:46 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <776771a2-247a-d1be-d882-bee02d919ae0@deltatee.com> Content-Language: en-US Subject: Re: [Intel-gfx] [PATCH v3 0/6] Convert the intel iommu driver to the dma-iommu api X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, Intel-gfx@lists.freedesktop.org, Ashok Raj , iommu@lists.linux-foundation.org, baolu.lu@linux.intel.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi Logan, On 2020/9/19 4:47, Logan Gunthorpe wrote: > Hi Lu, > > On 2020-09-11 9:21 p.m., Lu Baolu wrote: >> Tom Murphy has almost done all the work. His latest patch series was >> posted here. >> >> https://lore.kernel.org/linux-iommu/20200903201839.7327-1-murphyt7@tcd.ie/ >> >> Thanks a lot! >> >> This series is a follow-up with below changes: >> >> 1. Add a quirk for the i915 driver issue described in Tom's cover >> letter. >> 2. Fix several bugs in patch "iommu: Allow the dma-iommu api to use >> bounce buffers" to make the bounce buffer work for untrusted devices. >> 3. Several cleanups in iommu/vt-d driver after the conversion. >> > > I'm trying to test this on an old Sandy Bridge, but found that I get > spammed with warnings on boot. I've put a sample of a few of them below. > They all seem to be related to ioat. > > I had the same issue with Tom's v2 but never saw this on his v1. Have you verified whether this could be reproduced with the lasted upstream kernel (without this patch series)? Best regards, baolu _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx