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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 D8964C388F9 for ; Fri, 30 Oct 2020 10:54:36 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 491432224E for ; Fri, 30 Oct 2020 10:54:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="JcV45RN+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 491432224E 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 hemlock.osuosl.org (Postfix) with ESMTP id BB83A87390; Fri, 30 Oct 2020 10:54:35 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id R1U6dMlD7oT6; Fri, 30 Oct 2020 10:54:35 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id 381F487388; Fri, 30 Oct 2020 10:54:35 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 1CBD6C088B; Fri, 30 Oct 2020 10:54:35 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 8FA5BC0051 for ; Fri, 30 Oct 2020 10:54:34 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 7EECE8511F for ; Fri, 30 Oct 2020 10:54:34 +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 ASpMiPV5zBeb for ; Fri, 30 Oct 2020 10:54:34 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by fraxinus.osuosl.org (Postfix) with ESMTPS id DE0C4834B0 for ; Fri, 30 Oct 2020 10:54:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1604055272; 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=eNcsDz2cy5Yr+LEYgMRQaMYGAlPoileX7l+cMy1V2mc=; b=JcV45RN+NwNFMLQ2vPQbUP8pMqFMofswjVPBdRz+pllSkLpwIGG9uA6pCQjCbBMZShSQD/ bu8a/DyXB4gRzkV1TTuVVOdI8PztvU3S6caamFSMtjehTwi3u86wV4XBbx9qMV6QyZ12uN 2Rw+n9EwJpXm5BWWpZHa1FOd5k2yxMU= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-148-84ytAhyTN0-2kUbztCKAXQ-1; Fri, 30 Oct 2020 06:54:31 -0400 X-MC-Unique: 84ytAhyTN0-2kUbztCKAXQ-1 Received: by mail-wr1-f71.google.com with SMTP id n14so2511598wrp.1 for ; Fri, 30 Oct 2020 03:54:30 -0700 (PDT) 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:content-transfer-encoding :in-reply-to; bh=eNcsDz2cy5Yr+LEYgMRQaMYGAlPoileX7l+cMy1V2mc=; b=azbaQXz4WnJ2iVYlBMjsl365gVnlLuRsJksLkspaBEv1m4neiyhwQ4SRuDn2TsYflM tQ1ZdS5KY10JfIxW/OJttv567rYKL4+bD6lqhyh1jO8zUPwbM5qhhPu0kAGnVcptUYoZ JusxChz6TKH/dyte9mhzdoyvKP69PwVcVdwhxoSNVoLnltap42ZOtNIGO6r/zd32+k0b qarUf9PxkKo7EQ3jjFB1pJy5XXqi0NSrs1JjsBRCrnNiLMmQPM2VDgnnGXnSeQLtKi/S 4fehh5uPOQwvQG/vS195Jtulct6/fvprPQhXKZYh9fF+lcFnpnVY7Lv0SNZCQ1FIxvqx 1/FQ== X-Gm-Message-State: AOAM531dUG4iBiyIZEXvbrJfiUtMkmmoWILOTypqSA3mjJUX0RuvavNF ka15X9P727o3zV45h4kccIOZnLx0t7tXQrBbdxfe1SyYLSq/UT7u6ePdH8z02ULllsBlBFYtwgl /+HhspfuMOkKM4Qv4PjBOFBrMlPzDTUSiAxD8zXC3RQ== X-Received: by 2002:a7b:c4d6:: with SMTP id g22mr2069450wmk.106.1604055269706; Fri, 30 Oct 2020 03:54:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzY5s4HQ3sHRjqMi8kZt0VprXDyGubGokKC7oZxhjQ9kRgwiCSE61bhqv62SbSqffXe8fXikA== X-Received: by 2002:a7b:c4d6:: with SMTP id g22mr2069422wmk.106.1604055269495; Fri, 30 Oct 2020 03:54:29 -0700 (PDT) Received: from steredhat (host-79-22-200-33.retail.telecomitalia.it. [79.22.200.33]) by smtp.gmail.com with ESMTPSA id x65sm4178936wmg.1.2020.10.30.03.54.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Oct 2020 03:54:28 -0700 (PDT) Date: Fri, 30 Oct 2020 11:54:22 +0100 From: Stefano Garzarella To: Jason Wang Subject: Re: [PATCH] vhost/vsock: add IOTLB API support Message-ID: <20201030105422.ju2aj2bmwsckdufh@steredhat> References: <20201029174351.134173-1-sgarzare@redhat.com> <751cc074-ae68-72c8-71de-a42458058761@redhat.com> MIME-Version: 1.0 In-Reply-To: <751cc074-ae68-72c8-71de-a42458058761@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=sgarzare@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: kvm@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Stefan Hajnoczi 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" T24gRnJpLCBPY3QgMzAsIDIwMjAgYXQgMDY6MDI6MThQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPgo+T24gMjAyMC8xMC8zMCDkuIrljYgxOjQzLCBTdGVmYW5vIEdhcnphcmVsbGEgd3JvdGU6 Cj4+VGhpcyBwYXRjaCBlbmFibGVzIHRoZSBJT1RMQiBBUEkgc3VwcG9ydCBmb3Igdmhvc3QtdnNv Y2sgZGV2aWNlcywKPj5hbGxvd2luZyB0aGUgdXNlcnNwYWNlIHRvIGVtdWxhdGUgYW4gSU9NTVUg Zm9yIHRoZSBndWVzdC4KPj4KPj5UaGVzZSBjaGFuZ2VzIHdlcmUgbWFkZSBmb2xsb3dpbmcgdmhv c3QtbmV0LCBpbiBkZXRhaWxzIHRoaXMgcGF0Y2g6Cj4+LSBleHBvc2VzIFZJUlRJT19GX0FDQ0VT U19QTEFURk9STSBmZWF0dXJlIGFuZCBpbml0cyB0aGUgaW90bGIKPj4gICBkZXZpY2UgaWYgdGhl IGZlYXR1cmUgaXMgYWNrZWQKPj4tIGltcGxlbWVudHMgVkhPU1RfR0VUX0JBQ0tFTkRfRkVBVFVS RVMgYW5kCj4+ICAgVkhPU1RfU0VUX0JBQ0tFTkRfRkVBVFVSRVMgaW9jdGxzCj4+LSBjYWxscyB2 cV9tZXRhX3ByZWZldGNoKCkgYmVmb3JlIHZxIHByb2Nlc3NpbmcgdG8gcHJlZmV0Y2ggdnEKPj4g ICBtZXRhZGF0YSBhZGRyZXNzIGluIElPVExCCj4+LSBwcm92aWRlcyAucmVhZF9pdGVyLCAud3Jp dGVfaXRlciwgYW5kIC5wb2xsIGNhbGxiYWNrcyBmb3IgdGhlCj4+ICAgY2hhcmRldjsgdGhleSBh cmUgdXNlZCBieSB0aGUgdXNlcnNwYWNlIHRvIGV4Y2hhbmdlIElPVExCIG1lc3NhZ2VzCj4+Cj4+ VGhpcyBwYXRjaCB3YXMgdGVzdGVkIHdpdGggUUVNVSBhbmQgYSBwYXRjaCBhcHBsaWVkIFsxXSB0 byBmaXggYQo+PnNpbXBsZSBpc3N1ZToKPj4gICAgICQgcWVtdSAtTSBxMzUsYWNjZWw9a3ZtLGtl cm5lbC1pcnFjaGlwPXNwbGl0IFwKPj4gICAgICAgICAgICAtZHJpdmUgZmlsZT1mZWRvcmEucWNv dzIsZm9ybWF0PXFjb3cyLGlmPXZpcnRpbyBcCj4+ICAgICAgICAgICAgLWRldmljZSBpbnRlbC1p b21tdSxpbnRyZW1hcD1vbiBcCj4+ICAgICAgICAgICAgLWRldmljZSB2aG9zdC12c29jay1wY2ks Z3Vlc3QtY2lkPTMsaW9tbXVfcGxhdGZvcm09b24KPgo+Cj5QYXRjaCBsb29rcyBnb29kLCBidXQg YSBxdWVzdGlvbjoKPgo+SXQgbG9va3MgdG8gbWUgeW91IGRvbid0IGVuYWJsZSBBVFMgd2hpY2gg bWVhbnMgdmhvc3Qgd29uJ3QgZ2V0IGFueSAKPmludmFsaWRhdGlvbiByZXF1ZXN0IG9yIGRpZCBJ IG1pc3MgYW55dGhpbmc/Cj4KCllvdSdyZSByaWdodCwgSSBkaWRuJ3Qgc2VlIGludmFsaWRhdGlv biByZXF1ZXN0cywgb25seSBtaXNzIGFuZCB1cGRhdGVzLgpOb3cgSSBoYXZlIHRyaWVkIHRvIGVu YWJsZSAnYXRzJyBhbmQgJ2RldmljZS1pb3RsYicgYnV0IEkgc3RpbGwgZG9uJ3QgCnNlZSBhbnkg aW52YWxpZGF0aW9uLgoKSG93IGNhbiBJIHRlc3QgaXQ/IChTb3JyeSBidXQgSSBkb24ndCBoYXZl IG11Y2ggZXhwZXJpZW5jZSB5ZXQgd2l0aCAKdklPTU1VKQoKVGhhbmtzLApTdGVmYW5vCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlv biBtYWlsaW5nIGxpc3QKVmlydHVhbGl6YXRpb25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcK aHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVh bGl6YXRpb24=