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_BLOCKED,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 31290C433E2 for ; Wed, 16 Sep 2020 02:30:28 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 7AC102087D for ; Wed, 16 Sep 2020 02:30:27 +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="MpV55R4r" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7AC102087D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.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 silver.osuosl.org (Postfix) with ESMTP id 7F3B523115; Wed, 16 Sep 2020 02:30:26 +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 CQcRUWq4UCQ1; Wed, 16 Sep 2020 02:30:25 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 387C4230A4; Wed, 16 Sep 2020 02:30:25 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 19D1DC0859; Wed, 16 Sep 2020 02:30:25 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2898CC0051 for ; Wed, 16 Sep 2020 02:30:24 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 087B2230FE for ; Wed, 16 Sep 2020 02:30:24 +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 KzBNlzHWm5vR for ; Wed, 16 Sep 2020 02:30:23 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by silver.osuosl.org (Postfix) with ESMTPS id 26B47230A4 for ; Wed, 16 Sep 2020 02:30:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600223421; 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=YfVcMUyBmpQxAaCdcshCegUbTQs4WmvklIrNMK0GYnk=; b=MpV55R4r4BjRhiuHGJ3Uetw8ovCWu9Lam8HQdRZb34LwHIfOdgH2TdVDS709gnZvqaSTF0 32mtalTWkrRM/EJ9Tqhsrfn3QRcryr7mix6byDXGYHJtu3cSzmMb7IV02bxJZkn7aY3SDb 3HaZAZTDJPKD2oY5S/r+huZ094sA1Ew= 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-437-E8Qs7vjiPyKrzDp22o5iCw-1; Tue, 15 Sep 2020 22:30:17 -0400 X-MC-Unique: E8Qs7vjiPyKrzDp22o5iCw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C7F8F802B60; Wed, 16 Sep 2020 02:30:15 +0000 (UTC) Received: from [10.72.13.186] (ovpn-13-186.pek2.redhat.com [10.72.13.186]) by smtp.corp.redhat.com (Postfix) with ESMTP id DD505702E7; Wed, 16 Sep 2020 02:29:56 +0000 (UTC) Subject: Re: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs To: Jean-Philippe Brucker References: <1599734733-6431-1-git-send-email-yi.l.liu@intel.com> <411c81c0-f13c-37cc-6c26-cafb42b46b15@redhat.com> <20200914133113.GB1375106@myrica> From: Jason Wang Message-ID: <5dd95fbf-054c-3bbc-e76b-2d5636214ff2@redhat.com> Date: Wed, 16 Sep 2020 10:29:54 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200914133113.GB1375106@myrica> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Cc: kevin.tian@intel.com, ashok.raj@intel.com, kvm@vger.kernel.org, iommu@lists.linux-foundation.org, stefanha@gmail.com, "Michael S. Tsirkin" , yi.y.sun@intel.com, alex.williamson@redhat.com, Jason Gunthorpe , hao.wu@intel.com, jun.j.tian@intel.com 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Ck9uIDIwMjAvOS8xNCDkuIvljYg5OjMxLCBKZWFuLVBoaWxpcHBlIEJydWNrZXIgd3JvdGU6Cj4+ IElmIGl0J3MgcG9zc2libGUsIEkgd291bGQgc3VnZ2VzdCBhIGdlbmVyaWMgdUFQSSBpbnN0ZWFk IG9mIGEgVkZJTyBzcGVjaWZpYwo+PiBvbmUuCj4gQSBsYXJnZSBwYXJ0IG9mIHRoaXMgd29yayBp cyBhbHJlYWR5IGdlbmVyaWMgdUFQSSwgaW4KPiBpbmNsdWRlL3VhcGkvbGludXgvaW9tbXUuaC4K CgpUaGlzIGlzIG5vdCB3aGF0IEkgcmVhZCBmcm9tIHRoaXMgc2VyaWVzLCBhbGwgdGhlIGZvbGxv d2luZyB1QVBJIGlzIFZGSU8gCnNwZWNpZmljOgoKc3RydWN0IHZmaW9faW9tbXVfdHlwZTFfbmVz dGluZ19vcDsKc3RydWN0IHZmaW9faW9tbXVfdHlwZTFfcGFzaWRfcmVxdWVzdDsKCkFuZCBpbmNs dWRlL3VhcGkvbGludXgvaW9tbXUuaCBpcyBub3QgaW5jbHVkZWQgaW4gCmluY2x1ZGUvdWFwaS9s aW51eC92ZmlvLmggYXQgYWxsLgoKCgo+IFRoaXMgcGF0Y2hzZXQgY29ubmVjdHMgdGhhdCBnZW5l cmljIGludGVyZmFjZQo+IHRvIHRoZSBwcmUtZXhpc3RpbmcgVkZJTyB1QVBJIHRoYXQgZGVhbHMg d2l0aCBJT01NVSBtYXBwaW5ncyBvZiBhbgo+IGFzc2lnbmVkIGRldmljZS4gQnV0IHRoZSBidWxr IG9mIHRoZSB3b3JrIGlzIGRvbmUgYnkgdGhlIElPTU1VIHN1YnN5c3RlbSwKPiBhbmQgaXMgYXZh aWxhYmxlIHRvIGFsbCBkZXZpY2UgZHJpdmVycy4KCgpTbyBhbnkgcmVhc29uIG5vdCBpbnRyb2R1 Y2luZyB0aGUgdUFQSSB0byBJT01NVSBkcml2ZXJzIGRpcmVjdGx5PwoKCj4KPj4gSmFzb24gc3Vn Z2VzdCBzb21ldGhpbmcgbGlrZSAvZGV2L3N2YS4gVGhlcmUgd2lsbCBiZSBhIGxvdCBvZiBvdGhl cgo+PiBzdWJzeXN0ZW1zIHRoYXQgY291bGQgYmVuZWZpdCBmcm9tIHRoaXMgKGUuZyB2RFBBKS4K PiBEbyB5b3UgaGF2ZSBhIG1vcmUgcHJlY2lzZSBpZGVhIG9mIHRoZSBpbnRlcmZhY2UgL2Rldi9z dmEgd291bGQgcHJvdmlkZSwKPiBob3cgaXQgd291bGQgaW50ZXJhY3Qgd2l0aCBWRklPIGFuZCBv dGhlcnM/CgoKQ2FuIHdlIHJlcGxhY2UgdGhlIGNvbnRhaW5lciBmZCB3aXRoIHN2YSBmZCBsaWtl OgoKc3ZhID0gb3BlbigiL2Rldi9zdmEiLCBPX1JEV1IpOwpncm91cCA9IG9wZW4oIi9kZXYvdmZp by8yNiIsIE9fUkRXUik7CmlvY3RsKGdyb3VwLCBWRklPX0dST1VQX1NFVF9TVkEsICZzdmEpOwoK VGhlbiB3ZSBjYW4gZG8gYWxsIFNWQSBzdHVmZnMgdGhyb3VnaCBzdmEgZmQsIGFuZCBmb3Igb3Ro ZXIgc3Vic3lzdGVtcyAKKGxpa2UgdkRQQSkgaXQgb25seSBuZWVkIHRvIGltcGxlbWVudCB0aGUg ZnVuY3Rpb24gdGhhdCBpcyBlcXVpdmFsZW50IHRvIApWRklPX0dST1VQX1NFVF9TVkEuCgoKPiAg ICB2RFBBIGNvdWxkIHRyYW5zcG9ydCB0aGUKPiBnZW5lcmljIGlvbW11Lmggc3RydWN0dXJlcyB2 aWEgaXRzIG93biB1QVBJLCBhbmQgY2FsbCB0aGUgSU9NTVUgQVBJCj4gZGlyZWN0bHkgd2l0aG91 dCBnb2luZyB0aHJvdWdoIGFuIGludGVybWVkaWF0ZSAvZGV2L3N2YSBoYW5kbGUuCgoKQW55IHZh bHVlIGZvciB0aG9zZSB0cmFuc3BvcnRpbmc/IEkgdGhpbmsgd2UgaGF2ZSBhZ3JlZWQgdGhhdCBW RklPIGlzIApub3QgdGhlIG9ubHkgdXNlciBmb3IgdlNWQSAuLi4KCkl0J3Mgbm90IGhhcmQgdG8g Zm9yZWNhc3QgdGhhdCB0aGVyZSB3b3VsZCBiZSBtb3JlIHN1YnN5c3RlbXMgdGhhdCB3YW50IAp0 byBiZW5lZml0IGZyb20gdlNWQSwgd2UgZG9uJ3Qgd2FudCB0byBkdXBsaWNhdGUgdGhlIHNpbWls YXIgdUFQSXMgaW4gCmFsbCBvZiB0aG9zZSBzdWJzeXN0ZW1zLgoKVGhhbmtzCgoKPgo+IFRoYW5r cywKPiBKZWFuCj4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpo dHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==