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=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 7C35DC433DF for ; Thu, 27 Aug 2020 08:01:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 558FB22BF3 for ; Thu, 27 Aug 2020 08:01:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="lksoy1ND" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728406AbgH0IBp (ORCPT ); Thu, 27 Aug 2020 04:01:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53656 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728391AbgH0IBp (ORCPT ); Thu, 27 Aug 2020 04:01:45 -0400 Received: from mail-ej1-x643.google.com (mail-ej1-x643.google.com [IPv6:2a00:1450:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B33FCC061264 for ; Thu, 27 Aug 2020 01:01:44 -0700 (PDT) Received: by mail-ej1-x643.google.com with SMTP id s19so1092300eju.6 for ; Thu, 27 Aug 2020 01:01:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=KLXKGCMrEd+HEPdG/6Veb0H0KiwUV4QwzjuW5uI1H7Y=; b=lksoy1NDScckuAYD4sTllL1Iurtev0e+pvnwfQDJMxCxa7JLt2eW5ZALN6jCFFbZwt rnEIqFZ/Kn7iFNQBzR0yn6m4899J5aaMisCuWUNBKBwGamGybczhroFIaIi7M4S6KV5c S+kw8klrcatEGIZexnu+yfdz1Z8LWp5yN2mGP2UZC2fgzT1VNci0x8Xk2e6UkXtkY3Xz tckKKot1hODrYWrRvUV2p46fu3xJLkQSm2MOsm3V+N4oOz00v50T77zCoYVtf5I2MypU G0P7T05k6eFA6lGOrHA5r0uEGiMiQ7ECn6imLPHHN+m6uzMSJMTGSN11V00WRZOer7LJ SfVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=KLXKGCMrEd+HEPdG/6Veb0H0KiwUV4QwzjuW5uI1H7Y=; b=pq9Wv4lh00jf1P/XJfSwZKTa4pDtxvOsJHtIKwfe9GNEaQ2N6jzNnA+uu9pHOynBrK B2hZ0ZL/K1nSE/btg0bVNvceTEAvk8sczW1dj9D1IZ1eXWqK/ftVnuPAZskxRRDXGz0B HO0YjroXetgOTWdLstOs4I4P/QgkSVKX8xJii1IKtLOFWnTSjJA/G9ATDRAm3i0gWYh3 XuogaGsyfY3W9+cXOusoUnghoRHJhK7lQT3xECy948VWTUQOKoP3gzA0yXThShDkWNFO mNQPV0LQ7b6IPI3ed2D+MqxbSxZCFTpXKijKBAN0pGSGnJEFtGVlICtXmhhGXs0v1KZq kDtA== X-Gm-Message-State: AOAM533Uqg7LH3LLImco8DrlZB0a+rlkUDPdLFOAimZNJg1xZkcEsvNv H4ofewU0MzfbmrkfNAdyy9En1Ms3slMeoQ== X-Google-Smtp-Source: ABdhPJy3u3bRyTUX8lEQynqXU4hAdCiT/PYeb2x0IdTm6vsd6r4sfZTB0YNbGlWTbOWqcKJT0ea+2Q== X-Received: by 2002:a17:906:fa15:: with SMTP id lo21mr20503865ejb.42.1598515303348; Thu, 27 Aug 2020 01:01:43 -0700 (PDT) Received: from myrica ([2001:1715:4e26:a7e0:116c:c27a:3e7f:5eaf]) by smtp.gmail.com with ESMTPSA id i25sm954760edt.1.2020.08.27.01.01.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Aug 2020 01:01:42 -0700 (PDT) Date: Thu, 27 Aug 2020 10:01:25 +0200 From: Jean-Philippe Brucker To: "Michael S. Tsirkin" Cc: iommu@lists.linux-foundation.org, virtualization@lists.linux-foundation.org, virtio-dev@lists.oasis-open.org, linux-pci@vger.kernel.org, kevin.tian@intel.com, sebastien.boeuf@intel.com, bhelgaas@google.com, jasowang@redhat.com Subject: Re: [PATCH v3 0/6] Add virtio-iommu built-in topology Message-ID: <20200827080125.GC3399702@myrica> References: <20200821131540.2801801-1-jean-philippe@linaro.org> <20200826092542-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200826092542-mutt-send-email-mst@kernel.org> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Wed, Aug 26, 2020 at 09:26:02AM -0400, Michael S. Tsirkin wrote: > On Fri, Aug 21, 2020 at 03:15:34PM +0200, Jean-Philippe Brucker wrote: > > Add a topology description to the virtio-iommu driver and enable x86 > > platforms. > > > > Since [v2] we have made some progress on adding ACPI support for > > virtio-iommu, which is the preferred boot method on x86. It will be a > > new vendor-agnostic table describing para-virtual topologies in a > > minimal format. However some platforms don't use either ACPI or DT for > > booting (for example microvm), and will need the alternative topology > > description method proposed here. In addition, since the process to get > > a new ACPI table will take a long time, this provides a boot method even > > to ACPI-based platforms, if only temporarily for testing and > > development. > > OK should I park this in next now? Seems appropriate ... Yes that sounds like a good idea. It could uncover new bugs since there is more automated testing happening for x86. Thanks, Jean