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,URIBL_RED,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 73B86C433B4 for ; Fri, 16 Apr 2021 02:20:51 +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 EE90E6113B for ; Fri, 16 Apr 2021 02:20:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EE90E6113B 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 774248472F; Fri, 16 Apr 2021 02:20:50 +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 qzvqJATTCLhg; Fri, 16 Apr 2021 02:20:49 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTP id 12D7C8470F; Fri, 16 Apr 2021 02:20:49 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D8901C000C; Fri, 16 Apr 2021 02:20:48 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 3E0B2C000A for ; Fri, 16 Apr 2021 02:20:48 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 300A34185B for ; Fri, 16 Apr 2021 02:20:48 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp4.osuosl.org (amavisd-new); dkim=pass (1024-bit key) header.d=redhat.com Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zFzggdB1RB11 for ; Fri, 16 Apr 2021 02:20:46 +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 [63.128.21.124]) by smtp4.osuosl.org (Postfix) with ESMTPS id A9E314182E for ; Fri, 16 Apr 2021 02:20:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618539645; 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=55n7LvBDiipqYGJEcb5TaYPCz2MnXHE0bIABWMH3IxI=; b=DyVw+AOZssoKrsDY/NVupasK2wN6TSl3xCCj3w+57xpZM28HDTN/vk9KJXlvOfsYn2mh1P xPuFy9boDTqBPrv03e+ITdlx3L6euZhahyCdNFzql5/+bywJ6ZGlIF0684HnhIMpllzBcX bDjYxt7Iop+DIPkFX3NqHPqIoBeBTq4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-562-Ig8URrppP2-56H43IdpRdw-1; Thu, 15 Apr 2021 22:20:41 -0400 X-MC-Unique: Ig8URrppP2-56H43IdpRdw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0D2138030A1; Fri, 16 Apr 2021 02:20:40 +0000 (UTC) Received: from wangxiaodeMacBook-Air.local (ovpn-13-140.pek2.redhat.com [10.72.13.140]) by smtp.corp.redhat.com (Postfix) with ESMTP id 864C16294D; Fri, 16 Apr 2021 02:20:27 +0000 (UTC) Subject: Re: [PATCH v6 10/10] Documentation: Add documentation for VDUSE To: Yongji Xie References: <20210331080519.172-1-xieyongji@bytedance.com> <20210331080519.172-11-xieyongji@bytedance.com> <80b31814-9e41-3153-7efb-c0c2fab44feb@redhat.com> <02c19c22-13ea-ea97-d99b-71edfee0b703@redhat.com> From: Jason Wang Message-ID: <5beabeaf-52a6-7ee5-b666-f3616ea82811@redhat.com> Date: Fri, 16 Apr 2021 10:20:25 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.9.1 MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Cc: Jens Axboe , Jonathan Corbet , kvm@vger.kernel.org, "Michael S. Tsirkin" , netdev@vger.kernel.org, Randy Dunlap , Matthew Wilcox , virtualization@lists.linux-foundation.org, Christoph Hellwig , Christian Brauner , bcrl@kvack.org, viro@zeniv.linux.org.uk, Stefan Hajnoczi , linux-fsdevel@vger.kernel.org, Dan Carpenter , =?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" CuWcqCAyMDIxLzQvMTUg5LiL5Y2INzoxNywgWW9uZ2ppIFhpZSDlhpnpgZM6Cj4gT24gVGh1LCBB cHIgMTUsIDIwMjEgYXQgNTowNSBQTSBKYXNvbiBXYW5nIDxqYXNvd2FuZ0ByZWRoYXQuY29tPiB3 cm90ZToKPj4KPj4g5ZyoIDIwMjEvNC8xNSDkuIvljYg0OjM2LCBKYXNvbiBXYW5nIOWGmemBkzoK Pj4+PiBQbGVhc2Ugc3RhdGUgdGhpcyBleHBsaWNpdGx5IGF0IHRoZSBzdGFydCBvZiB0aGUgZG9j dW1lbnQuIEV4aXN0aW5nCj4+Pj4gaW50ZXJmYWNlcyBsaWtlIEZVU0UgYXJlIGRlc2lnbmVkIHRv IGF2b2lkIHRydXN0aW5nIHVzZXJzcGFjZS4KPj4+Cj4+PiBUaGVyZSdyZSBzb21lIHN1YnRsZSBk aWZmZXJlbmNlIGhlcmUuIFZEVVNFIHByZXNlbnQgYSBkZXZpY2UgdG8ga2VybmVsCj4+PiB3aGlj aCBtZWFucyBJT01NVSBpcyBwcm9iYWJseSB0aGUgb25seSB0aGluZyB0byBwcmV2ZW50IGEgbWFs aWNvdXMKPj4+IGRldmljZS4KPj4+Cj4+Pgo+Pj4+IFRoZXJlZm9yZQo+Pj4+IHBlb3BsZSBtaWdo dCB0aGluayB0aGUgc2FtZSBpcyB0aGUgY2FzZSBoZXJlLiBJdCdzIGNyaXRpY2FsIHRoYXQgcGVv cGxlCj4+Pj4gYXJlIGF3YXJlIG9mIHRoaXMgYmVmb3JlIGRlcGxveWluZyBWRFVTRSB3aXRoIHZp cnRpby12ZHBhLgo+Pj4+Cj4+Pj4gV2Ugc2hvdWxkIHByb2JhYmx5IHBhdXNlIGhlcmUgYW5kIHRo aW5rIGFib3V0IHdoZXRoZXIgaXQncyBwb3NzaWJsZSB0bwo+Pj4+IGF2b2lkIHRydXN0aW5nIHVz ZXJzcGFjZS4gRXZlbiBpZiBpdCB0YWtlcyBzb21lIGVmZm9ydCBhbmQgY29zdHMgc29tZQo+Pj4+ IHBlcmZvcm1hbmNlIGl0IHdvdWxkIHByb2JhYmx5IGJlIHdvcnRod2hpbGUuCj4+Pgo+Pj4gU2lu Y2UgdGhlIGJvdW5jZSBidWZmZXIgaXMgdXNlZCB0aGUgb25seSBhdHRhY2sgc3VyZmFjZSBpcyB0 aGUKPj4+IGNvaGVyZW50IGFyZWEsIGlmIHdlIHdhbnQgdG8gZW5mb3JjZSBzdHJvbmdlciBpc29s YXRpb24gd2UgbmVlZCB0byB1c2UKPj4+IHNoYWRvdyB2aXJ0cXVldWUgKHdoaWNoIGlzIHByb3Bv c2VkIGluIGVhcmxpZXIgdmVyc2lvbiBieSBtZSkgaW4gdGhpcwo+Pj4gY2FzZS4gQnV0IEknbSBu b3Qgc3VyZSBpdCdzIHdvcnRoIHRvIGRvIHRoYXQuCj4+Cj4+Cj4+IFNvIHRoaXMgcmVtaW5kcyBt ZSB0aGUgZGlzY3Vzc2lvbiBpbiB0aGUgZW5kIG9mIGxhc3QgeWVhci4gV2UgbmVlZCB0bwo+PiBt YWtlIHN1cmUgd2UgZG9uJ3Qgc3VmZmVyIGZyb20gdGhlIHNhbWUgaXNzdWVzIGZvciBWRFVTRSBh dCBsZWFzdAo+Pgo+PiBodHRwczovL3loYnQubmV0L2xvcmUvYWxsL2MzNjI5YTI3LTM1OTAtMWQ5 Zi0yMTFiLWMwYjdiZTE1MmIzMkByZWRoYXQuY29tL1QvI21jNmI2ZTIzNDNjYmVmZmNhNjhjYTdh OTdlMGY0NzNhYWE4NzFjOTViCj4+Cj4+IE9yIHdlIGNhbiBzb2x2ZSBpdCBhdCB2aXJ0aW8gbGV2 ZWwsIGUuZyByZW1lbWJlciB0aGUgZG1hIGFkZHJlc3MgaW5zdGVhZAo+PiBvZiBkZXBlbmRpbmcg b24gdGhlIGFkZHIgaW4gdGhlIGRlc2NyaXB0b3IgcmluZwo+Pgo+IEkgbWlnaHQgbWlzcyBzb21l dGhpbmcuIEJ1dCBWRFVTRSBoYXMgcmVjb3JkZWQgdGhlIGRtYSBhZGRyZXNzIGR1cmluZwo+IGRt YSBtYXBwaW5nLCBzbyB3ZSB3b3VsZCBub3QgZG8gYm91bmNpbmcgaWYgdGhlIGFkZHIvbGVuZ3Ro IGlzIGludmFsaWQKPiBkdXJpbmcgZG1hIHVubWFwcGluZy4gSXMgaXQgZW5vdWdoPwoKCkUuZyBt YWxpY291cyBkZXZpY2Ugd3JpdGUgYSBidWdneSBkbWEgYWRkcmVzcyBpbiB0aGUgZGVzY3JpcHRv ciByaW5nLCBzbyAKd2UgaGFkOgoKdnJpbmdfdW5tYXBfb25lX3NwbGl0KGRlc2MtPmFkZHIsIGRl c2MtPmxlbikKIMKgwqDCoCBkbWFfdW5tYXBfc2luZ2xlKCkKIMKgwqDCoCDCoMKgwqAgdmR1c2Vf ZGV2X3VubWFwX3BhZ2UoKQogwqDCoMKgIMKgwqDCoCDCoMKgwqAgdmR1c2VfZG9tYWluX2JvdW5j ZSgpCgpBbmQgaW4gdmR1c2VfZG9tYWluX2JvdW5jZSgpIHdlIGhhZDoKCiDCoMKgwqDCoMKgwqDC oCB3aGlsZSAoc2l6ZSkgewogwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIG1hcCA9ICZk b21haW4tPmJvdW5jZV9tYXBzW2lvdmEgPj4gUEFHRV9TSElGVF07CiDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqAgb2Zmc2V0ID0gb2Zmc2V0X2luX3BhZ2UoaW92YSk7CiDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqAgc3ogPSBtaW5fdChzaXplX3QsIFBBR0VfU0laRSAtIG9mZnNl dCwgc2l6ZSk7CgpUaGlzIG1lYW5zIHdlIHRydXN0IHRoZSBpb3ZhIHdoaWNoIGlzIGRhbmdlcm91 cyBhbmQgZXhhY2x5IHRoZSBpc3N1ZSAKbWVudGlvbmVkIGluIHRoZSBhYm92ZSBsaW5rLgoKIEZy b20gVkRVU0UgbGV2ZWwgbmVlZCB0byBtYWtlIHN1cmUgaW92YSBpcyBsZWdhbC4KCiBGcm9tIHZp cnRpbyBsZXZlbCwgd2Ugc2hvdWxkIG5vdCB0cnVzZSBkZXNjLT5hZGRyLgoKVGhhbmtzCgoKPgo+ IFRoYW5rcywKPiBZb25namkKPgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxp c3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u