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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 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 0FDD3C433DF for ; Thu, 28 May 2020 15:27:11 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 D285820888 for ; Thu, 28 May 2020 15:27:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D285820888 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id A3F4086AB3; Thu, 28 May 2020 15:27:10 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id peSQI7KsMghr; Thu, 28 May 2020 15:27:10 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 2CFF786CA1; Thu, 28 May 2020 15:27:10 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 1A782C07FF; Thu, 28 May 2020 15:27:10 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id A59EBC016F for ; Thu, 28 May 2020 15:27:08 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 8E8D020354 for ; Thu, 28 May 2020 15:27:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id enPLRXHq8W95 for ; Thu, 28 May 2020 15:27:07 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by silver.osuosl.org (Postfix) with ESMTPS id C13FF203B2 for ; Thu, 28 May 2020 15:27:07 +0000 (UTC) IronPort-SDR: ysC2b3sFPHCXXUrbtLW16dLq+w0BhhT629RiIESHcQbxL7vlpx2KVgPDdJNdFzxts0BakGxMQ8 aydbASJOY+sg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2020 08:27:04 -0700 IronPort-SDR: Pv2CXIEwPZdUV7xcgp6/ptwrlHB/bbZQmzSQboT+S93LBrG9GN0YGUZ37nsLMjRz/oq0k+Sk+8 /U6xjJBE4qUA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,445,1583222400"; d="scan'208";a="469152932" Received: from jacob-builder.jf.intel.com (HELO jacob-builder) ([10.7.199.155]) by fmsmga005.fm.intel.com with ESMTP; 28 May 2020 08:27:02 -0700 Date: Thu, 28 May 2020 08:33:20 -0700 From: Jacob Pan To: Lu Baolu Subject: Re: [PATCH v2 0/2] iommu: Remove iommu_sva_ops::mm_exit() Message-ID: <20200528083320.56aa5e60@jacob-builder> In-Reply-To: <00f0597f-b235-b92e-ad41-a7ffcff9b59b@linux.intel.com> References: <20200423125329.782066-1-jean-philippe@linaro.org> <20200527101038.GD265288@myrica> <20200527124240.GK5221@8bytes.org> <00f0597f-b235-b92e-ad41-a7ffcff9b59b@linux.intel.com> Organization: OTC X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Cc: Jean-Philippe Brucker , arnd@arndb.de, gregkh@linuxfoundation.org, jgg@ziepe.ca, iommu@lists.linux-foundation.org, zhangfei.gao@linaro.org, linux-accelerators@lists.ozlabs.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Thu, 28 May 2020 11:32:50 +0800 Lu Baolu wrote: > Hi Jorge, > > On 2020/5/27 20:42, Joerg Roedel wrote: > > Hi Jean-Philippe, > > > > On Wed, May 27, 2020 at 12:10:38PM +0200, Jean-Philippe Brucker > > wrote: > >> I was wondering if you could take these two patches for v5.8. The > >> API change is a precursor for the SVA support in SMMUv3, and the > >> VT-d implementation of the SVA API (queued for 5.8) doesn't > >> implement iommu_sva_ops. > > > > I'd like some Acks on patch 2 (at least from the Intel people) > > before going ahead with this. > > > > Patch 2 in this series looks good to me. > > Acked-by: Lu Baolu > > +Jacob, he participated in the discussions. > Patch 2 looks good to me, VT-d has a similar flow and challenge to stop DMA in mm_exit. We disable fault reporting during this window between mm_exit and FD close trigged unbind. Acked-by: Jacob Pan > Best regards, > baolu [Jacob Pan] _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu