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 6B436C433F5 for ; Mon, 11 Apr 2022 23:47:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233336AbiDKXuA (ORCPT ); Mon, 11 Apr 2022 19:50:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231785AbiDKXt7 (ORCPT ); Mon, 11 Apr 2022 19:49:59 -0400 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on2069.outbound.protection.outlook.com [40.107.236.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CA563A1 for ; Mon, 11 Apr 2022 16:47:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=FevyAv29Mas9Rbko7tyGLDxDu7ZLoZCrfL2IptHT2KKL+rwAkyLDrfDeN4fhaMZ0XS9TTViVD8rV9NzSwCaL1V/2117BTiNY6QKMkqfQlVPPufFDrKWk0oew5c3p3a0FAUpHmnp649PnWK1x6nx6t9jzhCTfUqOEgkhPAzmoe2doC6o7dmBdMTD3XxXCsDMONMb1M8QWXnjMt2Ivs7dtJoKx78RCY6SzW/y6UyPgB7FPZx9bclgTsqU+4L28jhecG4DirUf5vju6pw7ceGGTmFNKzs3U8eU6+WxDknb+nVpSSJqLqN0sTuMlLP1FznjkJFLnbrYuKrSQuzd5zKFVZw== 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=ltctEm/Px8/9xBI8XGUbeIdThiqPEMfndqPgg+kjzsU=; b=ksPlIkWJtgKN9ey1kcGIagXpGpQr3zilZw1EgvCK2R52TLmfB1AcSmE1H+7JO43KcFa5lOe1U3oNcNX3hsiM0CAnoy1k2ny/8mbaz5vgxCphLFtPpfQuglmttUXS5eyiA10wxd0YrQmSzMegaeJzHqGwmPdNTv2DdzmO6VhRIxtQK5MXjdWm0ooQnZKMyYB7/jy25mRi+IxWBnuPwzejeUtVnjOvB+J6p5uCLqVnpqCfIFXoTwQSsJtr7VfuL4ucHCzaYJgfJCQ+BkwSQNXxH8KEQxf+ldLb4CCpALClIkehuFimeH2n1iW+RwspfwhSHRPlgoZOwdptPg86NtfKrg== 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=ltctEm/Px8/9xBI8XGUbeIdThiqPEMfndqPgg+kjzsU=; b=ffu6wEXsScNrHnEMacI8wscL8D6RoCQ11E+72chwah2f0MRZdsg0oJY4i2xKn2w5TJC/NmAglEPE9Uy7CUFFz6TXNvoxsn/6JYz+zKRymlizcC05Eq1MEB5eubEaE8LL2cYwG8eIIE99AInvctulxsLhlGhSREZVi9czBzHM3+CklpnX5ZbHp6FEEq/XVRzTEXBnhDeSNK8hqWxfKQzliu14S+XIlvJFLQ7kdlLO7bEyN4TMCWjk2Nk4lcnSexasQQCigrpqG9txZnt5SxYvZngfxKozLflKmpJ2RDharE0MoQYEJo2ciI7hl1ME8sLfc0plE2nSGAsfk90pIYrCQQ== Received: from MW2PR12MB4667.namprd12.prod.outlook.com (2603:10b6:302:12::28) by CY4PR12MB1351.namprd12.prod.outlook.com (2603:10b6:903:36::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5144.29; Mon, 11 Apr 2022 23:47:34 +0000 Received: from MW2PR12MB4667.namprd12.prod.outlook.com ([fe80::a90b:9df2:370c:e76b]) by MW2PR12MB4667.namprd12.prod.outlook.com ([fe80::a90b:9df2:370c:e76b%3]) with mapi id 15.20.5144.029; Mon, 11 Apr 2022 23:47:34 +0000 From: Chaitanya Kulkarni To: Suwan Kim CC: "virtualization@lists.linux-foundation.org" , "mst@redhat.com" , "jasowang@redhat.com" , "stefanha@redhat.com" , "linux-block@vger.kernel.org" , "pbonzini@redhat.com" , "elliott@hpe.com" , "dongli.zhang@oracle.com" , "hch@infradead.org" , Max Gurtovoy Subject: Re: [PATCH v6 0/2] virtio-blk: support polling I/O and mq_ops->queue_rqs() Thread-Topic: [PATCH v6 0/2] virtio-blk: support polling I/O and mq_ops->queue_rqs() Thread-Index: AQHYSdw3ZzbMJFUzIky4jPf2FWUvN6zk2bIAgAFF5ACABUm4gA== Date: Mon, 11 Apr 2022 23:47:34 +0000 Message-ID: <86a7c623-7494-ece3-d607-63a497eb8068@nvidia.com> References: <20220406153207.163134-1-suwan.kim027@gmail.com> <3b36802a-94ca-776b-bc15-51f60fbbcf51@nvidia.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 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: 9c6afaa8-14a7-4768-c4bb-08da1c15a6a6 x-ms-traffictypediagnostic: CY4PR12MB1351:EE_ x-microsoft-antispam-prvs: x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MW2PR12MB4667.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(6916009)(86362001)(64756008)(66946007)(66476007)(54906003)(91956017)(66556008)(66446008)(107886003)(8676002)(31696002)(508600001)(76116006)(316002)(122000001)(38100700002)(2616005)(4326008)(6512007)(6506007)(71200400001)(38070700005)(6486002)(8936002)(36756003)(2906002)(31686004)(5660300002)(7416002)(4744005)(186003)(83380400001)(43740500002)(45980500001);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 2 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?bFgvL0JFRFJYM0tmMVYvVzNTM0xMYWFPRldPdTh6ekx6QWVMSHM1bnY2cG0z?= =?utf-8?B?Z2JWRDJvWkxsbVQ2eFZuSDhXQmtSZzNJMlM2eCtWQldEdk9kMElQb0tKSXY2?= =?utf-8?B?WXJqMlUxVFhCN0VNRjhVT1hqS1A4NGg1YlJ4aEVnbzU4TE5BMUNtNVk3K0NO?= =?utf-8?B?MWVwT29TSjRhMUZoSjBLQXdJVGt0RXd0NnVVWTUzVnRqV1ZXU1A0bjR0L0tq?= =?utf-8?B?RzlYVEk1VGx1a0orUldOelV3aHRZZUFKR2tvOGxwdzZEcGEwdFRBcDFZeXhI?= =?utf-8?B?U0lYWWpzMDRlT3NCOHhSamhELzJNNkVTdTdjOGJ5em5aUUVvUm5OSTdkam93?= =?utf-8?B?SWI0bk8wNnVXYnF4Qi9VRXFzUCtaTVlmcldKTVhUUlpYUzNYVTVDcWNVQVZS?= =?utf-8?B?czltRE10RzdLREFzSjdNcnpQY2xrY2pWMjk2RU9veGRWWGM0cEFkais1YVdB?= =?utf-8?B?eVFBcXhnbHBhOE9UNlpPbDB5ZFdhRTNNNTlDaXhoZ01GeThFQzFMYzVtYkgr?= =?utf-8?B?ODYxcmVSVURsRzF4c3RWdWlGVUJUSXFCSUJucWowTnByQnlxQnIrVytHU3Mr?= =?utf-8?B?WnJ4OTBuVHU2eXAyWXRFREozeXNoYkYrWU5EcTVocEtneTdyOTNkekJwb0ZJ?= =?utf-8?B?dCtYaXNqczIrOXk4Y3A0U2djZ2hkQkt0c29ZRi9qYVdiSUlLbG80NmY4NFhz?= =?utf-8?B?YU5ZdlQyNE4vVjBVeXBhTER1VW1GeE1rN0M4ZmJMNTJnNXhaMVlIRWhPMFZa?= =?utf-8?B?T1dmYTJ6WlRTUWhUZTByVE5IcEFtM2JUZWxJREF3V2dMc3FNNGFSditmdjZ0?= =?utf-8?B?bC9lR0hUQVRkbzBwbVRUcXQ0dTdoTG9vMzd0STg0VC9RNXVTT3BWU0p1VFVR?= =?utf-8?B?RlZ3eUNaVTlFVUxYQnRIUXB2TFN5eHU3ZThHOW5nQUJYWlVGMEVYa2xESHZD?= =?utf-8?B?c1VNaXFsNFYxYmk0c0Jaa05pdVBOV3JOSWNlZHFaWjYrNHN6TzZpcU1mbTdr?= =?utf-8?B?blZ2YzNZd2x4a3FvK0l5Yzl6SXZ5UjZ1cUxNYW8wcDBMejdBUVlGbUo5Q205?= =?utf-8?B?akRJOUVhOFdLRUVsZkFVcGQ4MWhUcDZjUzdFTWFsT3BWZG5TOTZtTDI0VmJ0?= =?utf-8?B?UmMzeXoxSDZBeFVEcXVpd0d5ZEM2cWdKRFBwM01ONDhLQUNWcGxYQnhVeGZj?= =?utf-8?B?alBCRmRDTVZORktMZXVkUmxqVWRTTVY5K1dVOUxCL3JubU1qRXpOQXd0K2lj?= =?utf-8?B?UjRoOE53NUlqT2tlSFBNa2l4T3dpUDVvT1lIM3lybXg2c1JSZDJNUmxTWnpm?= =?utf-8?B?VmdlWHd1VVVQL3lLbHhhTm9aeDN3Szc1aEUxSzZzdGcwUXNFM2Yvb0hOVkp0?= =?utf-8?B?eVpDQllPNGxJM1NvelVucWlFcE9XY2ZNdGJkUmdBTUY3VFZsMzNKU2xiTllX?= =?utf-8?B?ZnRJNmI5Nkw0RUpVbVl3UnoyWXQ5YWQvNWNLNzBhWXhzR0ZMQWJFNHRhT1Rl?= =?utf-8?B?am5qV3BzOHY0TzRvQmZoSkNiaXFGL2Vld2djRms0TkV2MWJLdkQ5T1R2Z09J?= =?utf-8?B?Y2FBeS9vRnY4ZE9vNDArdmd1eEZXbGRaNFVYTStNYVVGVVpkdjZmUlBqeDJC?= =?utf-8?B?U09FT3h6VkxKSmV3bU5qeVp2SWdwazRNaHdzRUVnSVpnelFjRzBkNjRqRzAx?= =?utf-8?B?enhlL3FpejZmUVZKQnJKR09qNUw0UFNJajdQWDRKSUZxa0tTVDBpVGl3WDNT?= =?utf-8?B?SlVmTithcTRxdmFXRGpHKzRMajBIYWh5aFp0eENmRVlsNjhwdDYzeUdRVXNz?= =?utf-8?B?Yk1UUm9SN2dWS0luOXpyUnd1TXYydnEzYnhYeFF6YmNYelBheGxZb0hQSU1X?= =?utf-8?B?TlZlckJ4Qjh5QUxSSzdWeDVhbXRsK3pEWGk5WnpSTWZUeCsvQkZRZDhGWUNT?= =?utf-8?B?THZuenh5UlM2RHNJWHJCNndFS3FVTFlpdmR3Y21QdEUxeitFQXlBM3RzbWo2?= =?utf-8?B?VlFhdEhkcEVMVFVMdjdXRVlyYmt0QU03QlBpRG12Q1NsSGdLVVR6WXFhYjlV?= =?utf-8?B?cUhJODI0UXNaMUZqZ1FPb2h1VHJENG9IYU1GZmRxUzF0RTU0bmRSYk1zVFBG?= =?utf-8?B?cVNtUWRSeUNtZ1VCQnAwS213MXpVMlhxUEYyQTljRmI4YWhtWlJtdEtBNXhz?= =?utf-8?B?ZE8vWGdZS0JSZGhtRDV5R2NrV0wxa29LNEJ4WllvaGhnUjdia2s1TUN1S0Qz?= =?utf-8?B?RS9kNzJRVDgvd2NJdjh3NjRFOWxPUVhKcnQ2T3ZWcWJRZVJ5clZHcGt6bWZY?= =?utf-8?B?UjM5ZC84aGNpRE5VWVBnMEFhbmFSSFJvNi9MNkp6VW9YR0NpRldzL3dUTW84?= =?utf-8?Q?okawv43p+GLJE1fM/sm0cXlC33IHJxvcAs7bfc4UwrDw9?= x-ms-exchange-antispam-messagedata-1: n/XnQFYT/6zX4w== Content-Type: text/plain; charset="utf-8" Content-ID: <9A43DE600A7FB34A84C3961EA6F9846E@namprd12.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW2PR12MB4667.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9c6afaa8-14a7-4768-c4bb-08da1c15a6a6 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Apr 2022 23:47:34.1559 (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: 0Nra+l105tKoY+I5Mib9/DrWwKb8RAIi5m9lmszxWOzmx1cJHjaZ1Sesi0T71TM3WEYvuJD3W/1IoFUh4i6m8Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR12MB1351 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org DQo+IA0KPiBIaSBDaGFpdGFueWEsDQo+IA0KPiBTdXJlLiBJIHdpbGwgZG8uDQo+IERvIEkgbmVl ZCB0byBhZGQgYSBuZXcgdGVzdCBzY3JpcHQgYWJvdXQgdmROIGRldmljZSBJTyBwb2xsaW5nDQo+ IHRvIGJsa3Rlc3RzL3Rlc3RzL2Jsb2NrLz8NCj4gDQoNClRoYXQgd2lsbCBjcmVhdGUgY29uZnVz aW9uIGFzIGJsb2NrIGNhdGVnb3J5IHRlc3RjYXNlcyBhcmUgZGlmZmVyZW50IA0KdGhhbiB2aXJ0 aW8tYmxrLiBTbyB5b3UgbmVlZCB0byBjcmVhdGUgYSBuZXcgY2F0ZWdvcnkgdmlydGlvLWJsayBh bmQNCmFkZCB0ZXN0Y2FzZXMgdG8gdGhhdCBvbmUuDQoNCi1jaw0KDQoNCj4gUmVnYXJkcywNCj4g U3V3YW4gS2ltDQo+IA0KDQo=