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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 5FCDEC07E96 for ; Thu, 15 Jul 2021 05:01:20 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 E7D7F6136E for ; Thu, 15 Jul 2021 05:01:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E7D7F6136E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id AC36083D38; Thu, 15 Jul 2021 05:01:19 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id g4HtrRhdSStm; Thu, 15 Jul 2021 05:01:19 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id 6326083D31; Thu, 15 Jul 2021 05:01:18 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 39B9DC001A; Thu, 15 Jul 2021 05:01:18 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 59EA1C000E for ; Thu, 15 Jul 2021 05:01:17 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 477DE83D31 for ; Thu, 15 Jul 2021 05:01:17 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ec_OiZuqHijR for ; Thu, 15 Jul 2021 05:01:16 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by smtp1.osuosl.org (Postfix) with ESMTPS id 512FD83D30 for ; Thu, 15 Jul 2021 05:01:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1626325275; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=WtjoUKLcgmL3bnw/gxqCJv6EYfcYaY0E3bn8JDpe3PI=; b=HGBLkOX+IZpd9PDeczkUWAdzxkUB6jF+BaMjpI7N1m38DiQuOUKRwW869N/rf4muIE+R7N 9KBfNt4KWhZWBDpNk6+kT1JzHD6SZAzlLmJfX1/HrHyGMdmNNnF5OIw4cQPu7VkM/IlxX6 ZxmEcM+pWRmcoghNunOq3wxIMhDCZpE= Received: from mail-pj1-f72.google.com (mail-pj1-f72.google.com [209.85.216.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-167-RcvpiGxZMcuxnYRdXoFZyQ-1; Thu, 15 Jul 2021 01:01:13 -0400 X-MC-Unique: RcvpiGxZMcuxnYRdXoFZyQ-1 Received: by mail-pj1-f72.google.com with SMTP id 4-20020a17090a1a44b029016e8392f557so5078445pjl.5 for ; Wed, 14 Jul 2021 22:01:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=WtjoUKLcgmL3bnw/gxqCJv6EYfcYaY0E3bn8JDpe3PI=; b=WOzWAyBy8WFteRrKzH47Tt7pRWzXcZMceI2SgZ5PgDM3GFYd2C8DthTym7MwjnFqqT voAv+ZnR3/rgkeWTc0Rmsy7riLCAcXr8lKmvSOaWnPveDXi2CjgvCZcTe19Sa16zKRzs hQIVnGQ5WqCrTjuhfMctY8H0CP5mXxAcQG7y5JCrigEXJ3r87wPLgks/+Cv3y5QyVNxf tY2xv/wzdTufIsd3cg9CEpx32xpxgPfZkME1IMbdpsL679VWo7qGpWSS5TjQ/0YpZN5H OJ2zDqkRpbLYI8NCDt/v8YInkgMus+thAW0tMASOKtVrXLBjtN8zutohV3dZZ5GP1lzm wHFA== X-Gm-Message-State: AOAM5324iAu3Ba0NPbDIXobnB62ebmjkk4YRCldQyPPbxHXfFPrWT9pc +Elhr/+VvK3C0Jlp7qWULnwy41jFEiDK7017/6C78kshPbwMqQUJpgEWS8mJQoA4gMDu/LjJpCp QBqerS0Dhu0KtF7WbiWeellwSlYGaoptsT8jKFPz7Aw== X-Received: by 2002:a63:1e5c:: with SMTP id p28mr2391176pgm.3.1626325272857; Wed, 14 Jul 2021 22:01:12 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwkpF4TSDI5DZm/B2bv9bWVuNXDKhmhRtseurS2rxggrCDnmBokVeS6bdawuICnE0MaFRu/xw== X-Received: by 2002:a63:1e5c:: with SMTP id p28mr2391148pgm.3.1626325272634; Wed, 14 Jul 2021 22:01:12 -0700 (PDT) Received: from wangxiaodeMacBook-Air.local ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id o20sm5070990pgv.80.2021.07.14.22.01.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 Jul 2021 22:01:12 -0700 (PDT) Subject: Re: [PATCH v9 16/17] vduse: Introduce VDUSE - vDPA Device in Userspace To: Yongji Xie References: <20210713084656.232-1-xieyongji@bytedance.com> <20210713084656.232-17-xieyongji@bytedance.com> <26116714-f485-eeab-4939-71c4c10c30de@redhat.com> From: Jason Wang Message-ID: <5d756360-b540-2faf-6e52-e7e6e863ca0b@redhat.com> Date: Thu, 15 Jul 2021 13:00:56 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: kvm , "Michael S. Tsirkin" , virtualization , Christian Brauner , Jonathan Corbet , joro@8bytes.org, Matthew Wilcox , Christoph Hellwig , Dan Carpenter , Liu Xiaodong , Al Viro , Stefan Hajnoczi , songmuchun@bytedance.com, Jens Axboe , He Zhe , Greg KH , Randy Dunlap , linux-kernel , iommu@lists.linux-foundation.org, bcrl@kvack.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, =?UTF-8?Q?Mika_Penttil=c3=a4?= X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" CuWcqCAyMDIxLzcvMTUg5LiL5Y2IMTI6MDMsIFlvbmdqaSBYaWUg5YaZ6YGTOgo+PiBXaGljaCBp b2N0bCBjYW4gYmUgdXNlZCBmb3IgdGhpcz8KPj4KPiBJIG1lYW4gd2UgY2FuIGludHJvZHVjZSBh IG5ldyBpb2N0bCBmb3IgdGhhdCBpbiB0aGUgZnV0dXJlLgoKCk9rLCBJIHNlZS4KCgo+Cj4+Pj4g SSB3b25kZXIgaWYgaXQncyBiZXR0ZXIgdG8gZG8gc29tZXRoaW5nIHNpbWlsYXIgdG8gY2N3Ogo+ Pj4+Cj4+Pj4gMSkgcmVxdWlyZXMgdGhlIHVzZXJzcGFjZSB0byB1cGRhdGUgdGhlIHN0YXR1cyBi aXQgaW4gdGhlIHJlc3BvbnNlCj4+Pj4gMikgdXBkYXRlIHRoZSBkZXYtPnN0YXR1cyB0byB0aGUg c3RhdHVzIGluIHRoZSByZXNwb25zZSBpZiBubyB0aW1lb3V0Cj4+Pj4KPj4+PiBUaGVuIHVzZXJz cGFjZSBjb3VsZCB0aGVuIHNldCBORUVEU19SRVNFVCBpZiBuZWNlc3NhcnkuCj4+Pj4KPj4+IEJ1 dCBORUVEU19SRVNFVCBkb2VzIG5vdCBvbmx5IGhhcHBlbiBpbiB0aGlzIGNhc2UuCj4+IFllcywg c28geW91IG5lZWQgYW4gaW9jdGwgZm9yIHVzZXJzcGFjZSB0byB1cGRhdGUgdGhlIGRldmljZSBz dGF0dXMKPj4gKE5FRURTX1JFU0VUKSBwcm9iYWJseS4KPj4KPiBZZXMsIGJ1dCBJJ2QgbGlrZSB0 byBkbyB0aGF0IGFmdGVyIHRoZSBpbml0aWFsIHZlcnNpb24gaXMgbWVyZ2VkIHNpbmNlCj4gTkVF RFNfUkVTRVQgaXMgbm90IHN1cHBvcnRlZCBub3cuCgoKUmlnaHQuCgpUaGFua3MKCgo+CgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlv biBtYWlsaW5nIGxpc3QKVmlydHVhbGl6YXRpb25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcK aHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVh bGl6YXRpb24=