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=-5.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 9BCB8C5B57D for ; Tue, 2 Jul 2019 22:10:38 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 572A1218DA for ; Tue, 2 Jul 2019 22:10:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nutanix.com header.i=@nutanix.com header.b="gIXRC44Q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 572A1218DA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nutanix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57922 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiQyy-0003u9-HG for qemu-devel@archiver.kernel.org; Tue, 02 Jul 2019 18:10:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36884) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hiQxf-0003SN-52 for qemu-devel@nongnu.org; Tue, 02 Jul 2019 18:09:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hiQxd-0006ho-Hp for qemu-devel@nongnu.org; Tue, 02 Jul 2019 18:09:15 -0400 Received: from mx0a-002c1b01.pphosted.com ([148.163.151.68]:9572) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hiQxd-0006Uw-0b for qemu-devel@nongnu.org; Tue, 02 Jul 2019 18:09:13 -0400 Received: from pps.filterd (m0127839.ppops.net [127.0.0.1]) by mx0a-002c1b01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x62M6TfX028911; Tue, 2 Jul 2019 15:08:57 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nutanix.com; h=from : to : cc : subject : date : message-id : content-type : mime-version; s=proofpoint20171006; bh=VmdmaaGNZAmhSXk/W0Lr/dCjOqFj5WUm8oKiVHu02vQ=; b=gIXRC44QqkJoo4MdKh2ezhpW7lYK3X4NKigTvhYystTb7kysMo24BOKaj56zTgghWtTb e2w39imyp5KolxOAYLkHeyiXzB3a1o92XMryynWKghUkShuvw6R6LBtHjQqdZXSJevB0 s4xlxLE2QkaqWt/YXflLJFxchXy4+xqXx4gk7sr5tt1UI/nEKNAuNIFp0vg6/xIK0ldJ KY2wRIihBR8iZzZEhNZ/OUuMRP/TdEnBBuIaapjwcTowjU65L/30cv/1qT0NzpBEzNjY mBr5whfaFEDQSk0CncAWHWTk8aVRk/VGtcJMPJx1xo6FyNtxR7tFl3Ni40aOdBAvMKlz fA== Received: from nam01-sn1-obe.outbound.protection.outlook.com (mail-sn1nam01lp2055.outbound.protection.outlook.com [104.47.32.55]) by mx0a-002c1b01.pphosted.com with ESMTP id 2tg8728wqy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 02 Jul 2019 15:08:57 -0700 Received: from BYAPR02MB4566.namprd02.prod.outlook.com (52.135.239.205) by BYAPR02MB4181.namprd02.prod.outlook.com (20.176.249.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2032.18; Tue, 2 Jul 2019 22:08:55 +0000 Received: from BYAPR02MB4566.namprd02.prod.outlook.com ([fe80::38e0:8f7:9fd4:eb1c]) by BYAPR02MB4566.namprd02.prod.outlook.com ([fe80::38e0:8f7:9fd4:eb1c%6]) with mapi id 15.20.2032.019; Tue, 2 Jul 2019 22:08:55 +0000 From: Raphael Norwitz To: "qemu-devel@nongnu.org" Thread-Topic: Should memory hotplug work with vhost-user backends? Thread-Index: AQHVMSK9HbtiS4IGUUSSY9wOBJ3M0A== Date: Tue, 2 Jul 2019 22:08:54 +0000 Message-ID: <6EF9E5BE-2FBF-4CC4-BA1F-AE55ADD82A6E@nutanix.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [192.146.154.3] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 4f5867c2-b00a-4514-f482-08d6ff39dfba x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020); SRVR:BYAPR02MB4181; x-ms-traffictypediagnostic: BYAPR02MB4181: x-ms-exchange-purlcount: 4 x-microsoft-antispam-prvs: x-proofpoint-crosstenant: true x-ms-oob-tlc-oobclassifiers: OLM:9508; x-forefront-prvs: 008663486A x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(39860400002)(376002)(366004)(136003)(396003)(346002)(199004)(189003)(478600001)(2501003)(2351001)(86362001)(5640700003)(54896002)(8676002)(6916009)(8936002)(25786009)(6306002)(81166006)(14444005)(71190400001)(81156014)(6512007)(6436002)(256004)(6486002)(71200400001)(53936002)(68736007)(6506007)(102836004)(14454004)(2616005)(316002)(476003)(107886003)(33656002)(26005)(186003)(99286004)(486006)(44832011)(966005)(36756003)(5660300002)(54906003)(73956011)(91956017)(66066001)(76116006)(66476007)(66446008)(64756008)(66946007)(2906002)(4326008)(3846002)(6116002)(7736002)(66556008)(64030200001); DIR:OUT; SFP:1102; SCL:1; SRVR:BYAPR02MB4181; H:BYAPR02MB4566.namprd02.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nutanix.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: u6thdeBlVKGbKwOiEHtj6kTGv8rxjlja8KqKZ6WJkk0QN8UdAnrXXe4+/aYxteUNDwh0xmu9xSGF05Q0oZhLvzGJdT0CXXQrLhBQ0ILiGZC1eeJdvr0onPJyivW+l47inKlbBzJooeLIc7rxoSJ5V3Y0ws8iSuyQBYITCFkBPeHMx5A1M/sZllAWIegs68XTxpDJIMmnTehioSdCW97OkvqAkUFjo0LFkSLTlyJVXqoiP5z84s1DP8TqF4RPxsjJp5JAXoG8LifjrecZDLzF9GAOpufC20Ll5uVoLPVGE68rbrAsaaE8XCl0+Pz6j+dbBfAFTlYUcJ6EreOtZuefN2QUIciZoj4vQQSn+ZWZ94WdLqRIBKW9CeQbQS05xzTe+b6u5gwafeaaqTZ/l1DhceR08k0u7/j6VqbBUss2KTA= MIME-Version: 1.0 X-OriginatorOrg: nutanix.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4f5867c2-b00a-4514-f482-08d6ff39dfba X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Jul 2019 22:08:54.9295 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: bb047546-786f-4de1-bd75-24e5b6f79043 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: raphael.norwitz@nutanix.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR02MB4181 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-02_11:, , signatures=0 X-Proofpoint-Spam-Reason: safe X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.151.68 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-Content-Filtered-By: Mailman/MimeDel 2.1.23 Subject: [Qemu-devel] Should memory hotplug work with vhost-user backends? X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mike Cui , "Michael S. Tsirkin" , Malcolm Crossley , "stefanha@redhat.com" , Felipe Franciosi , "pbonzini@redhat.com" , "changchun.ouyang@intel.com" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Rm9yIGJhY2tncm91bmQgSSBhbSB0cnlpbmcgdG8gd29yayBhcm91bmQgYSByYW0gc2xvdCBsaW1p dCBpbXBvc2VkIGJ5IHRoZSB2aG9zdC11c2VyIHByb3RvY29sLiBXZSBhcmUgaGF2aW5nIHRyb3Vi bGUgcmVjb25jaWxpbmcgdGhlIGNvbW1lbnQgaGVyZTogaHR0cHM6Ly9naXRodWIuY29tL3FlbXUv cWVtdS9ibG9iL21hc3Rlci9ody92aXJ0aW8vdmhvc3QtdXNlci5jI0wzMzMgIHRoYXQg4oCcRm9y IG5vbi12cmluZyBzcGVjaWZpYyByZXF1ZXN0cywgbGlrZSBWSE9TVF9VU0VSX1NFVF9NRU1fVEFC TEUuLCB3ZSBqdXN0IG5lZWQgdG8gc2VuZCBpdCBvbmNlIHRoZSBmaXJzdCB0aW1l4oCdIGFuZCB0 aGUgaGlnaCBsZXZlbCBpbXBsZW1lbnRhdGlvbiBvZiBtZW1vcnkgaG90LWFkZCwgd2hpY2ggY2Fs bHMgc2V0X21lbV90YWJsZSBldmVyeSB0aW1lIGEgVk0gaG90IGFkZHMgbWVtb3J5Lg0KDQpBIGZl dyBxdWVzdGlvbnM6DQoxLg0KV2hhdCBleGFjdGx5IGlzIHRoZSBjaGVjayBgaWYgKHZob3N0X3Vz ZXJfb25lX3RpbWVfcmVxdWVzdChtc2ctPmhkci5yZXF1ZXN0KSAmJiBkZXYtPnZxX2luZGV4ICE9 IDApYCBmb3I/IEluIHRoZSBtZXNzYWdlIGZvciBjb21taXQgYjkzMWJmYmYwNDI5ODNmMzExYjNi MDk4OTRkODAzMGIyNzU1YTYzOCwgd2hpY2ggaW50cm9kdWNlZCB0aGUgY2hlY2ssIEkgc2VlIGl0 IHNheXMg4oCcbm9uLXZyaW5nIHNwZWNpZmljIG1lc3NhZ2VzWywgd2hpY2ggc2hvdWxkXSBiZSBz ZW50IG9ubHkgb25jZeKAnSBhbmQgZ2l2ZXMgVkhPU1RfVVNFUl9TRVRfTUVNX1RBQkxFIGFzIGFu IGV4YW1wbGUgb25lIHN1Y2ggbWVzc2FnZS4gVGhlIGB2aG9zdF91c2VyX29uZV90aW1lX3JlcXVl c3QoKWAgY2FsbCBjbGVhcmx5IGNoZWNrcyB3aGV0aGVyIHRoaXMgdHlwZSBvZiBtZXNzYWdlIGlz IHRoZSBraW5kIG9mIG1lc3NhZ2UgaXMgc3VwcG9zZWQgdG8gYmUgc2VudCBvbmNlIG9mIHdoaWNo IFZIT1NUX1VTRVJfU0VUX01FTV9UQUJMRSBpcyBvbmUuIFdoeSwgdGhlbiwgZG9lcyB0aGlzIGNv bW1pdCBhZGQgdGhlIGNoZWNrIGlmIGBkZXYtPnZxX2luZGV4ICE9IDBgPyBJdCBzZWVtcyBsaWtl IHRoZXJlIGlzIGEgbGF0ZW50IGFzc3VtcHRpb24gdGhhdCBhZnRlciB0aGUgZmlyc3QgY2FsbCBk ZXYtPnZxX2luZGV4IHNob3VsZCBiZSBzZXQgdG8gc29tZSB2YWx1ZSBncmVhdGVyIHRoYW4gb25l LCBob3dldmVyIGZvciBtYW55IGNhc2VzIHN1Y2ggYXMgdmhvc3QtdXNlci1zY3NpIGRldmljZXMg d2UgY2FuIHNlZSB0aGlzIGlzIGNsZWFybHkgbm90IHRoZSBjYXNlIGh0dHBzOi8vZ2l0aHViLmNv bS9xZW11L3FlbXUvYmxvYi9tYXN0ZXIvaHcvc2NzaS92aG9zdC11c2VyLXNjc2kuYyNMOTUuIElz IHRoaXMgY2hlY2sgdGhlbiDigJhicm9rZW7igJkgZm9yIHN1Y2ggZGV2aWNlcz8NCg0KMi4NCklm IHRoaXMgY2hlY2sgaXMgaW5kZWVkIGJyb2tlbiBmb3Igc3VjaCBkZXZpY2VzLCBhbmQgc2V0X21l bV90YWJsZSBjYWxsIGlzIG9ubHkgc3VwcG9zZWQgdG8gYmUgcnVuIG9uY2UgZm9yIHN1Y2ggZGV2 aWNlcywgaXMgdGhlIGFiaWxpdHkgdG8gY2FsbCBpdCBtdWx0aXBsZSB0aW1lcyB0ZWNobmljYWxs eSBhIGJ1ZyBmb3IgZGV2aWNlcyBzdWNoIGFzIHZob3N0LXVzZXItc2NzY2kgZGV2aWNlcz8gSWYg c28sIHRoaXMgd291bGQgaW1wbHkgdGhhdCB0aGUgZXhpc3RpbmcgYWJpbGl0eSB0byBob3QgYWRk IG1lbW9yeSB0byB2aG9zdC11c2VyLXNjc2kgZGV2aWNlcyBpcyBieSBleHRlbnNpb24gdGVjaG5p Y2FsbHkgYSBidWcvdW5pbnRlbmRlZCBiZWhhdmlvci4gSXMgdGhpcyB0aGUgY2FzZT8NCg0KVGhh bmtzLA0KUmFwaGFlbA0K