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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2105FC19F21 for ; Wed, 27 Jul 2022 03:47:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232627AbiG0Drj (ORCPT ); Tue, 26 Jul 2022 23:47:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36622 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229808AbiG0Dri (ORCPT ); Tue, 26 Jul 2022 23:47:38 -0400 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on2040.outbound.protection.outlook.com [40.107.236.40]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF997192B2 for ; Tue, 26 Jul 2022 20:47:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=FIc9yKEmjYsfyU+hysQ4oIQBJGZch1BiDxodfQpjRRZxF+RfUnM3D3Xoe0SiVY15/smmr06zEkn06yBIIWqidtqMQBaQ/ms5OsZB+zTI0d1dN6aGRQO9Qhrl21xulfe2VQgLAcTmKxTfK1SWyPviWOF00nP1M47DZmCBiQ/dAamSce+zi8HoPhLiDN2KNwdhCZshSfEH/odZHTMiREztSKDncbTcj8UfJKSH63/6lOW0funlLwPO4BwueKZoaTcxFKQJMg5eyCxt7Lyy4Py8l9EtNz4br59qc3VvnHowcZ7vnqq8Zcins9A8NKG60wSO5z33DvxIkPyzcpXDJY1E5A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=DKEX0xEmFZcywHIJLDMeVtRKZRQvU//vZUVDz7Lf+dY=; b=ks/EPn3vASjrvyNgzDkBGhSyh9bOlXUx6A+bQbBQ4L6UggnWjKjP/fRPYpOKDKq4sVGvFhvR6GkzPbH0xbnNG9iwxxpvn4kyNGCObjZYlvTdzbUyG27VRS0ZHUk3HKw4Lk+Tx3yZ1wQLUAjGH7WcgG+Rd6/b2lhmDwpUtCys4BGEy2kLo11mgg8tIYZTJsDjAbz847TI/RO4e/Ap2IJ3tUfT/fkIWU/AA8ve9XTtHx2adcU6LHPgbTk6UpDpP1/jLbf0pLTJ9gnhjNMY6lUUZMXKKt82EUuZpBc7Hi9aAJJVoY1NZKgF5bkxKl6bFWXfWDtgXz0EDpGPCivculU7qA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=DKEX0xEmFZcywHIJLDMeVtRKZRQvU//vZUVDz7Lf+dY=; b=QBzlgCEnLOjPdEH0o/6Huh7SujZ+0zK3Yl3gV6KY89k2nLjqkoHrNlDgTCSoFon6dEhkx0uCNAj64lkxmRLsG5rBUzWrH78BqJEhHn3Njt4xUXOF6gfMhNMnYam5MiEmrunaBfN8ttUNXspTN/f5Ucj/vA5XKE3d3EUn+5EhD6EUK5t7LgCqMbYLguipB3yW0kCd3HcpQT9OHDNPTdJ0bIEzZeEB8Mp1srMO+HjnFck6wwbboSbwTdpw485QZicmaetP4WRM8x7anz5iy1Vl5p4GG1bcUJksoU1kBWMHMNzBulG0NVGhVwLMFGor74DkWCQmHrUtG99Vz4w5RAdGYA== Received: from PH0PR12MB5481.namprd12.prod.outlook.com (2603:10b6:510:d4::15) by IA1PR12MB6436.namprd12.prod.outlook.com (2603:10b6:208:3ac::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5482.6; Wed, 27 Jul 2022 03:47:35 +0000 Received: from PH0PR12MB5481.namprd12.prod.outlook.com ([fe80::544b:6e21:453e:d3d6]) by PH0PR12MB5481.namprd12.prod.outlook.com ([fe80::544b:6e21:453e:d3d6%9]) with mapi id 15.20.5458.025; Wed, 27 Jul 2022 03:47:35 +0000 From: Parav Pandit To: "Zhu, Lingshan" , "jasowang@redhat.com" , "mst@redhat.com" CC: "virtualization@lists.linux-foundation.org" , "netdev@vger.kernel.org" , "xieyongji@bytedance.com" , "gautam.dawar@amd.com" Subject: RE: [PATCH V3 5/6] vDPA: answer num of queue pairs = 1 to userspace when VIRTIO_NET_F_MQ == 0 Thread-Topic: [PATCH V3 5/6] vDPA: answer num of queue pairs = 1 to userspace when VIRTIO_NET_F_MQ == 0 Thread-Index: AQHYjU+OpP/4aLhN20eCCMO4rbOEoq1qEloggAn4zwCAAKXGEIAD0JkAgAJ/vUCAAK5SAIAAADPwgAALqACAFTnxEIAArU6AgAAAQ5CAAApmAIAADr7g Date: Wed, 27 Jul 2022 03:47:35 +0000 Message-ID: References: <20220701132826.8132-1-lingshan.zhu@intel.com> <20220701132826.8132-6-lingshan.zhu@intel.com> <00c1f5e8-e58d-5af7-cc6b-b29398e17c8b@intel.com> <1246d2f1-2822-0edb-cd57-efc4015f05a2@intel.com> <19681358-fc81-be5b-c20b-7394a549f0be@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: cd85f80b-6d51-4940-39dd-08da6f82be80 x-ms-traffictypediagnostic: IA1PR12MB6436:EE_ x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: vP2eTAyHvcMcqG4y514Nfe3V1SLGFOlQQytcN2GQ6qjuGgVGC5RRUaJM+U5NuSrOhex2q4yFwGAk3tYvCFD0aT6uXRXPw1RKTI3z9KdxkPOEJLKCris20opwqs5CAYsznIA4NKNCYD3g1Fb7IxZhCir8/eUkmOo3MqK/MpKRPJzOX4xszuvMc/EAp4bOmnJNFAeoNknyNr/cqRPWE0YHeWsBBsygQshlZV0J3WfJsVpykdvCFvvM765PlpEwQMbnUFegOvd3f2si4TWHqEr9qFUGgU9mAcMuveGeY2zzI8ZO0/VcT+hLLiP+QQKhvR+POcHrc4NWVWM0YUCka9sR/tufSHb24nz9SVciuGfvzf3tvgmjX0wxN/yIsPtkffEcmCEv3EAJ9BA5a9JpE/dpokAQ3igdTei9zouBrqlDReshvX7XebW8H0YO51oxJl8SQiixYVArlHx9JlGAVecBxTfXDxJnAbi7BI/wXqZrlNzwMD89zza+BmaXTQ/6GLMg/ouVkx4nqeqewwOdlMtahkeq3IvsPNlei/5/+Ppd25iVLYF9wnzK80LtpjmD08PhJpm64DjsLMhKOeiR8tdV17cw5zlw7K28Py9a/79V966sYYKtcVNlyS6PNyDqdv+ENLjBedQjN6CSf2SgUcapD5f89KqO0x6WHt4sw1snO/AXbf0f2ZhjF5QgDVC9M6benZ9RnqriRFuV0Ty9QwupzmKbVLNL+0j7RSWY1+YLYCFYifowGsfFvh5UPbrN5MUs5+biSaTXTj/cuLTJ8d55ho70hBggE1/PaPoSW8/u+TsKg4H0jA3Tq2G0Je+teOoQ x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH0PR12MB5481.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(4636009)(366004)(136003)(39860400002)(376002)(346002)(396003)(478600001)(71200400001)(53546011)(41300700001)(7696005)(6506007)(9686003)(186003)(38100700002)(122000001)(83380400001)(110136005)(38070700005)(8936002)(5660300002)(52536014)(55016003)(33656002)(66556008)(2906002)(66476007)(316002)(54906003)(86362001)(64756008)(76116006)(4326008)(66446008)(66946007)(8676002);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?bUhFWXI4MllNTnpoYUwzK240U0FIK0dFRUZCUWdoU2xvR1o5UHBjNGhLcXpO?= =?utf-8?B?QjNJc0p1b0QyWDhqaEY1TTJ5ZlVaU09icGF2dHZGWjRxd3lsU09PZmdFbDFy?= =?utf-8?B?c0N5NE55bXpTTTRlZlpJSGxQRXRaLzJINElHMWRzQ0Q2UU5aUExScDFZeDhh?= =?utf-8?B?RFpyRTcwSE9kWWUwTzk1dXhURTBMekxmU1VLMUllWlZMN09XdHBYaEh0ODFK?= =?utf-8?B?RVlRNWw1blY0M1hIYS9SNUgrQWQ0eU01dGVsQ05wSkpKeHNHNi85S21SUmdi?= =?utf-8?B?cHliMG9JaDM3bEIyejVUanMzWmFyb3BoVkdvcW05bnBmL1NCNXVIUUlQVXlM?= =?utf-8?B?UlBCenJIaFQ2N0JqYW9PdlJDenFuTmdqOHFJM3U0cE9wTTNOMVR5OFIxTGl6?= =?utf-8?B?VkdvNlh0d0haUHZLcHR6TXQwUzh3RWE4WndhZVh4ODNqQ245MHFXRzEwQ3pC?= =?utf-8?B?WlhUckJXTUFQaXBxWnN1L0QwVHpRSGlWY3oxNDFlQjVMM1ZSbFpDL0NIT3Fh?= =?utf-8?B?T1Eva3pwVmtocWpxdFBOQTBQem14SmZhdytBMFNxR1k5WWJxMHNMVG51ZTln?= =?utf-8?B?TE9SZmdXeXdWaEhGR1dYUGM4K0Nxb0NNckxiVnJLMzJheGVwL2ZyZ3VkSGRk?= =?utf-8?B?MWpHdEpkZFN3ZXdYN3JrUm5QTmlOSTdHZEI1QW1QVVk1Z0NlT1hRd2NJRHBW?= =?utf-8?B?T1FTRmJvc1NXWjJmWHdoY2pjbnB2cnBrSXRFcnlxRFNVdFBaMnpYNjlGMDZl?= =?utf-8?B?YXhwQ2hpV0N3a1pacXJyZm54aW1MSDBNaEtoWFJ3UExEcWlTU08xcm9mK1pR?= =?utf-8?B?bXZnbGZlTkV2aXBvRTJMM0tqNnFmVGtnV1VyZDRjWjZxZHB4elNlbUFzVm83?= =?utf-8?B?M0d0WVRYRTNGNlFZdmpXampOamdUT01TM2w0T2VLcjV0cjh1Z1JwN0lxRVBO?= =?utf-8?B?c09rYTFDTTg4OElGK0JXYTFjVTUydXZCdFp6N2k0WE5OKzBYTzhSc3pWYi85?= =?utf-8?B?d2xHTWh0eStCOWRvUkxoYU5iU1B3a0d3cTg4N0FMV1hyY0pTV0dja0kvQUxY?= =?utf-8?B?V1pvTUdHVkp3RmlSTi9KczgxTU5QUjhnb3Y1RnNOY040cFI4ckYxanJnR2dp?= =?utf-8?B?WXlLNFJrZmV5dFdvYkpFbUFSb3E1TUU5TjdqWm9aTDdaN29HeHdIdlh0Q0Qw?= =?utf-8?B?TVlnZ1kyL1hZTkU2RjJ1bVhLZFhxUXptT0lOSzRpK0M4Z1JFa1pxbTdXakhU?= =?utf-8?B?RXMwMStPZWE2RzZnMVIvWGdFZU5ublVmYTBnQUhhOEROS3VsWkt4Zm5ieVFK?= =?utf-8?B?RXhOaUszOHRYbHFFL1hsRG85cUNla2tQb25MdU5oZ1hKbHFtSkh0dEdtQVlP?= =?utf-8?B?QS9LZk0rOUVmcmdlbWd6NWFhbk1FR1RRbnljOWZ4ZFZMcm9uWDRNTzhPTldJ?= =?utf-8?B?a2I3UmE5R3kydWg3RnVzQjQxRkVDUTV4Skt2alk1ZXRxTkdWWTZmWnFSUzhE?= =?utf-8?B?MWJkNmhvcC9XOTNBaFoxZmd2c1QrRTRPamNJNnpIcjI4Qjc4ZnRSWmpseThW?= =?utf-8?B?ZUExNHVaTUV1dU5pUlBnbE1IcGt3ZlNBTmltNDh0TUJpc0crOXRzVG11cGlF?= =?utf-8?B?dG1XQW44MVZpSXdJakJvdlg3dkpURlBIeTI0L293dFhGazY5cnJKdHJBbFpW?= =?utf-8?B?b3plbG4zU2dNaEJ3Wm1rMUpQNmxXc0VwZmRnSERnbmdpbVhUUWJvYmNoOERT?= =?utf-8?B?R1Q3N1BuQi93dGNpdk8yNnlpcXdtYkxLMno4ZGt1VERpaEZqZ2JWRVlPdVZ6?= =?utf-8?B?amovc2pQSkt2RGFyMXhCRnY2YTFLZU4vNnZwWjIzNDQ2Wk00bTJ1UjBxVnRN?= =?utf-8?B?THlFZWlsNjFQdUpEOW44R3J4cEhVcElobksvRnZ1NXU3YThHcXZyYkNlTjRY?= =?utf-8?B?ZE1NUElhSlNrYmxNNStGSW5RRGdxVjB3Vk5QR2VKWDluVVVLNFV2K2dKOHpu?= =?utf-8?B?aFptdDF5TmkvdHpidEg5U0g4Yk5pa0RRMzdZeXdTamlUaGlFSjgyZVl4VVBq?= =?utf-8?B?dnlNUkVVWDJPMXMxUWcvN29xZlBBdnpGc1pTdm5Zd2RzdFJFVmhyUXpyTFA5?= =?utf-8?B?am1VWERDbzNZV1BNN21iQkRxSDEvL3VyYzdBZzN5aStLaDZxUHpENVNKZzZ6?= =?utf-8?Q?od8ebZ2JBZFRtwdXvntc0Uo=3D?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR12MB5481.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: cd85f80b-6d51-4940-39dd-08da6f82be80 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Jul 2022 03:47:35.8383 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: T30+zmTTE6/nbEFGpRAxIIy9B/ORSNdfUUGV1TrM92t7Jpa/WOugRG+k5ZTgolwVKfjvPCePQzGKz7hR1CaEEA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6436 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org DQo+IEZyb206IFpodSwgTGluZ3NoYW4gPGxpbmdzaGFuLnpodUBpbnRlbC5jb20+DQo+IFNlbnQ6 IFR1ZXNkYXksIEp1bHkgMjYsIDIwMjIgMTA6NTMgUE0NCj4gDQo+IE9uIDcvMjcvMjAyMiAxMDox NyBBTSwgUGFyYXYgUGFuZGl0IHdyb3RlOg0KPiA+PiBGcm9tOiBaaHUsIExpbmdzaGFuIDxsaW5n c2hhbi56aHVAaW50ZWwuY29tPg0KPiA+PiBTZW50OiBUdWVzZGF5LCBKdWx5IDI2LCAyMDIyIDEw OjE1IFBNDQo+ID4+DQo+ID4+IE9uIDcvMjYvMjAyMiAxMTo1NiBQTSwgUGFyYXYgUGFuZGl0IHdy b3RlOg0KPiA+Pj4+IEZyb206IFpodSwgTGluZ3NoYW4gPGxpbmdzaGFuLnpodUBpbnRlbC5jb20+ DQo+ID4+Pj4gU2VudDogVHVlc2RheSwgSnVseSAxMiwgMjAyMiAxMTo0NiBQTQ0KPiA+Pj4+PiBX aGVuIHRoZSB1c2VyIHNwYWNlIHdoaWNoIGludm9rZXMgbmV0bGluayBjb21tYW5kcywgZGV0ZWN0 cyB0aGF0DQo+ID4+IF9NUQ0KPiA+Pj4+IGlzIG5vdCBzdXBwb3J0ZWQsIGhlbmNlIGl0IHRha2Vz IG1heF9xdWV1ZV9wYWlyID0gMSBieSBpdHNlbGYuDQo+ID4+Pj4gSSB0aGluayB0aGUga2VybmVs IG1vZHVsZSBoYXZlIGFsbCBuZWNlc3NhcnkgaW5mb3JtYXRpb24gYW5kIGl0IGlzDQo+ID4+Pj4g dGhlIG9ubHkgb25lIHdoaWNoIGhhdmUgcHJlY2lzZSBpbmZvcm1hdGlvbiBvZiBhIGRldmljZSwg c28gaXQNCj4gPj4+PiBzaG91bGQgYW5zd2VyIHByZWNpc2VseSB0aGFuIGxldCB0aGUgdXNlciBz cGFjZSBndWVzcy4gVGhlIGtlcm5lbA0KPiA+Pj4+IG1vZHVsZSBzaG91bGQgYmUgcmVsaWFibGUg dGhhbiBzdGF5IHNpbGVudCwgbGVhdmUgdGhlIHF1ZXN0aW9uIHRvDQo+ID4+Pj4gdGhlIHVzZXIg c3BhY2UNCj4gPj4gdG9vbC4NCj4gPj4+IEtlcm5lbCBpcyByZWxpYWJsZS4gSXQgZG9lc27igJl0 IGV4cG9zZSBhIGNvbmZpZyBzcGFjZSBmaWVsZCBpZiB0aGUNCj4gPj4+IGZpZWxkIGRvZXNu4oCZ dA0KPiA+PiBleGlzdCByZWdhcmRsZXNzIG9mIGZpZWxkIHNob3VsZCBoYXZlIGRlZmF1bHQgb3Ig bm8gZGVmYXVsdC4NCj4gPj4gc28gd2hlbiB5b3Uga25vdyBpdCBpcyBvbmUgcXVldWUgcGFpciwg eW91IHNob3VsZCBhbnN3ZXIgb25lLCBub3QgdHJ5DQo+ID4+IHRvIGd1ZXNzLg0KPiA+Pj4gVXNl ciBzcGFjZSBzaG91bGQgbm90IGd1ZXNzIGVpdGhlci4gVXNlciBzcGFjZSBnZXRzIHRvIHNlZSBp ZiBfTVENCj4gPj4gcHJlc2VudC9ub3QgcHJlc2VudC4gSWYgX01RIHByZXNlbnQgdGhhbiBnZXQg cmVsaWFibGUgZGF0YSBmcm9tIGtlcm5lbC4NCj4gPj4+IElmIF9NUSBub3QgcHJlc2VudCwgaXQg bWVhbnMgdGhpcyBkZXZpY2UgaGFzIG9uZSBWUSBwYWlyLg0KPiA+PiBpdCBpcyBzdGlsbCBhIGd1 ZXNzLCByaWdodD8gQW5kIGFsbCB1c2VyIHNwYWNlIHRvb2xzIGltcGxlbWVudGVkIHRoaXMNCj4g Pj4gZmVhdHVyZSBuZWVkIHRvIGd1ZXNzDQo+ID4gTm8uIGl0IGlzIG5vdCBhIGd1ZXNzLg0KPiA+ IEl0IGlzIGV4cGxpY2l0bHkgY2hlY2tpbmcgdGhlIF9NUSBmZWF0dXJlIGFuZCBkZXJpdmluZyB0 aGUgdmFsdWUuDQo+ID4gVGhlIGNvZGUgeW91IHByb3Bvc2VkIHdpbGwgYmUgcHJlc2VudCBpbiB0 aGUgdXNlciBzcGFjZS4NCj4gPiBJdCB3aWxsIGJlIHVuaWZvcm0gZm9yIF9NUSBhbmQgMTAgb3Ro ZXIgZmVhdHVyZXMgdGhhdCBhcmUgcHJlc2VudCBub3cgYW5kDQo+IGluIHRoZSBmdXR1cmUuDQo+ IE1RIGFuZCBvdGhlciBmZWF0dXJlcyBsaWtlIFJTUyBhcmUgZGlmZmVyZW50LiBJZiB0aGVyZSBp cyBubyBfUlNTX1hYLCB0aGVyZQ0KPiBhcmUgbm8gYXR0cmlidXRlcyBsaWtlIG1heF9yc3Nfa2V5 X3NpemUsIGFuZCB0aGVyZSBpcyBub3QgYSBkZWZhdWx0IHZhbHVlLg0KPiBCdXQgZm9yIE1RLCB3 ZSBrbm93IGl0IGhhcyB0byBiZSAxIHdpaHRvdXQgX01RLg0KIndlIiA9IHVzZXIgc3BhY2UuDQpU byBrZWVwIHRoZSBjb25zaXN0ZW5jeSBhbW9uZyBhbGwgdGhlIGNvbmZpZyBzcGFjZSBmaWVsZHMu DQoNCj4gPiBGb3IgZmVhdHVyZSBYLCBrZXJuZWwgcmVwb3J0cyBkZWZhdWx0IGFuZCBmb3IgZmVh dHVyZSBZLCBrZXJuZWwgc2tpcA0KPiByZXBvcnRpbmcgaXQsIGJlY2F1c2UgdGhlcmUgaXMgbm8g ZGVmYXVsdC4gPC0gVGhpcyBpcyB3aGF0IHdlIGFyZSB0cnlpbmcgdG8NCj4gYXZvaWQgaGVyZS4N Cj4gS2VybmVsIHJlcG9ydHMgb25lIHF1ZXVlIHBhaXIgYmVjYXVzZSB0aGVyZSBpcyBhY3R1YWxs eSBvbmUuDQo+ID4NCg0K