From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM01-SN1-obe.outbound.protection.outlook.com (mail-sn1nam01on0063.outbound.protection.outlook.com [104.47.32.63]) by dpdk.org (Postfix) with ESMTP id 1B2661B627; Thu, 2 Nov 2017 18:34:39 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=4DRjXz52gIWAMnmm44GHSMeIEoNflxFds2dXAVHIQuA=; b=DK2e8IhbGGJs4FXEwS9FD4E9ZkySYTWymblcUV0y469TVuNBssbJQJPTMb83CeQm3vN7Ug865ZOr0zinI1pFeEp9IQuA+d5Na2Vw1qb6s3wIlLkHI7WCoop2pHPC6pPdN4hyWfc9b3toy0n7qw9mVqRL3qKWngMsTzVd2sI9Xj4= Received: from DM5PR0701MB3832.namprd07.prod.outlook.com (10.167.110.30) by CY4PR07MB3063.namprd07.prod.outlook.com (10.172.116.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.178.6; Thu, 2 Nov 2017 17:34:37 +0000 Received: from DM5PR0701MB3832.namprd07.prod.outlook.com ([fe80::ecd3:c22b:660d:e912]) by DM5PR0701MB3832.namprd07.prod.outlook.com ([fe80::ecd3:c22b:660d:e912%13]) with mapi id 15.20.0197.013; Thu, 2 Nov 2017 17:34:36 +0000 From: "Mody, Rasesh" To: Ferruh Yigit , Stephen Hemminger CC: "Tan, Jianfeng" , Jingjing Wu , "Thotton, Shijith" , Gregory Etelson , "Patil, Harish" , Thomas Monjalon , "dev@dpdk.org" , "stable@dpdk.org" , George Prekas , Sergio Gonzalez Monroy Thread-Topic: [dpdk-dev] [PATCH] igb_uio: remove device reset in open Thread-Index: AQHTScQ4G7zZOecjD0CHym69NdlJ/KLs9YgAgAhJTCCAAKcjgIABAXgAgAg3QSCAAISjAIAATNDggADs4ACAAI6zIA== Date: Thu, 2 Nov 2017 17:34:36 +0000 Message-ID: References: <20171020165511.47899-1-ferruh.yigit@intel.com> <44560a31-d8dc-b2e1-1589-95020fb654f3@intel.com> <5108b90a-5617-ea1a-ad41-c2eb83b8c1a1@intel.com> <02e895a8-e1fa-7159-f0e9-b8b8f883ae27@intel.com> <20171101151220.0f3f811b@shemminger-XPS-13-9360> <630caef1-99df-3d45-11ca-2cb6ef277dde@intel.com> In-Reply-To: <630caef1-99df-3d45-11ca-2cb6ef277dde@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Rasesh.Mody@cavium.com; x-originating-ip: [173.186.134.106] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; CY4PR07MB3063; 6:7m088qBTW5LJ0uQXPnVdesS3tYfI+4YwrHnj5L2OARkuKq0Vh1KOYanJu6hfPkxraFtM3mLmqa90J6piMW0tcFMm00ECqRMtMVu65q7hQl+1KXS3XbOHrdU3XGYF6IhrPjxPr5qkU1wBCHSA2zJWVzxtXt4kXLMq7u1/zBZnV3sM5lTZPMZ8fmSv1pnWALzLpMTD07bgDALypvwHwlsnk2BBewO5ST/etsUYnI3Q6mT2ykva4CTkyQQH+7/gIhJGjIyzfwHMVLXn28shlYHcWr8mpHfXWGSdI6vHXa7Ok9tcPLvGR3xv5iouQdD0zVpk0CR25AIpIp9D3QLDpF33MA454LID512NozkOqILdCHc=; 5:yKnAoIYz7HnJ3kQYmjrlMWqGhh/HdfMOaZKRGjzWK0N14qzXKDDNqxCFLM73Fz5IXpa2MSenVkLK+E1l7vZtWiBp8EMiqR0WIIsnAhD/9KQM8GkiJJXFccnFWfsGU6usFO8FfTXwUoYZOkmzqjmaH2W7+M2YRdYmPHOjbCie9LE=; 24:VeG20rDU918iqryLscvwRA1zqZcK3+dyYuPojCvk2VrqPymWhrZ8rSzZDYW+2pdCi0iiCLamnIPwxR6WF+34HpwsMA9iupHjL2DqsAcvYzA=; 7:9KBRJSJbIn4CkyD7/NxLy/Nh0BZj94RQvEhRjhX8Hkn4OPvORtNRee4x1CYJArzcyXP+r0Bv8AMaXEN1i1iNrQramerKwpJM7lUwhoCJJmS+GJLm2YKNfPKs4IwIp479gcBcpya9HArgBTSpDDnhF05rjfJseRRyGMwRVmBekqrNmraWCXxqRidowCvS+GNgZdypnMvRTjBadEgajlydKdKcBvc5OA9VXpLmaqJHiFj4MMH5GeC4vbmk5ppPgIs2 x-ms-exchange-antispam-srfa-diagnostics: SSOS;SSOR; x-forefront-antispam-report: SFV:SKI; SCL:-1; SFV:NSPM; SFS:(10009020)(6009001)(376002)(346002)(24454002)(199003)(189002)(43544003)(93886005)(6436002)(7416002)(66066001)(53546010)(54906003)(3660700001)(33656002)(101416001)(229853002)(74316002)(102836003)(3846002)(6116002)(110136005)(105586002)(99286004)(6506006)(3280700002)(14454004)(97736004)(316002)(106356001)(2906002)(305945005)(68736007)(81166006)(8676002)(81156014)(86362001)(4326008)(50986999)(72206003)(5250100002)(54356999)(55016002)(76176999)(53936002)(8936002)(9686003)(6246003)(7736002)(189998001)(2900100001)(478600001)(5660300001)(25786009)(2950100002)(7696004); DIR:OUT; SFP:1101; SCL:1; SRVR:CY4PR07MB3063; H:DM5PR0701MB3832.namprd07.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; x-ms-office365-filtering-correlation-id: 9611d6f8-7f0b-4534-e650-08d52217fcc4 x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(22001)(4534020)(4602075)(4627115)(201703031133081)(201702281549075)(2017052603199); SRVR:CY4PR07MB3063; x-ms-traffictypediagnostic: CY4PR07MB3063: x-exchange-antispam-report-test: UriScan:(228905959029699); x-microsoft-antispam-prvs: x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6040450)(2401047)(5005006)(8121501046)(10201501046)(93006095)(93001095)(3002001)(100000703101)(100105400095)(3231020)(6041248)(20161123555025)(20161123560025)(20161123562025)(20161123564025)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(20161123558100)(6072148)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095); SRVR:CY4PR07MB3063; BCL:0; PCL:0; RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095); SRVR:CY4PR07MB3063; x-forefront-prvs: 047999FF16 received-spf: None (protection.outlook.com: cavium.com does not designate permitted sender hosts) spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: cavium.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9611d6f8-7f0b-4534-e650-08d52217fcc4 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Nov 2017 17:34:36.1272 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 711e4ccf-2e9b-4bcf-a551-4094005b6194 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR07MB3063 Subject: Re: [dpdk-dev] [PATCH] igb_uio: remove device reset in open X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Nov 2017 17:34:39 -0000 PiBGcm9tOiBGZXJydWggWWlnaXQgW21haWx0bzpmZXJydWgueWlnaXRAaW50ZWwuY29tXQ0KPiBT ZW50OiBUaHVyc2RheSwgTm92ZW1iZXIgMDIsIDIwMTcgMTo1NSBBTQ0KPiANCj4gT24gMTEvMi8y MDE3IDE6MDMgQU0sIE1vZHksIFJhc2VzaCB3cm90ZToNCj4gPj4gRnJvbTogU3RlcGhlbiBIZW1t aW5nZXIgW21haWx0bzpzdGVwaGVuQG5ldHdvcmtwbHVtYmVyLm9yZ10NCj4gPj4gU2VudDogV2Vk bmVzZGF5LCBOb3ZlbWJlciAwMSwgMjAxNyA3OjEyIEFNDQo+ID4+DQo+ID4+IE9uIFdlZCwgMSBO b3YgMjAxNyAwNjo1ODo1MyArMDAwMA0KPiA+PiAiTW9keSwgUmFzZXNoIiA8UmFzZXNoLk1vZHlA Y2F2aXVtLmNvbT4gd3JvdGU6DQo+ID4+DQo+ID4+PiBIaSBKaWFuZmVuZyBhbmQgRmVycnVoLA0K PiA+Pj4NCj4gPj4+PiBGcm9tOiBGZXJydWggWWlnaXQgW21haWx0bzpmZXJydWgueWlnaXRAaW50 ZWwuY29tXQ0KPiA+Pj4+IFNlbnQ6IFRodXJzZGF5LCBPY3RvYmVyIDI2LCAyMDE3IDU6NTAgUE0N Cj4gPj4+Pg0KPiA+Pj4+IE9uIDEwLzI2LzIwMTcgMjoyOCBBTSwgVGFuLCBKaWFuZmVuZyB3cm90 ZToNCj4gPj4+Pj4gSGkgUmFzZXNoLA0KPiA+Pj4+Pg0KPiA+Pj4+Pg0KPiA+Pj4+PiBPbiAxMC8y Ni8yMDE3IDc6NDMgQU0sIE1vZHksIFJhc2VzaCB3cm90ZToNCj4gPj4+Pj4+IEhpIEZlcnJ1aCwN Cj4gPj4+Pj4+DQo+ID4+Pj4+Pj4gRnJvbTogZGV2IFttYWlsdG86ZGV2LWJvdW5jZXNAZHBkay5v cmddIE9uIEJlaGFsZiBPZiBGZXJydWgNCj4gPj4+Pj4+PiBZaWdpdA0KPiA+Pj4+Pj4+IFNlbnQ6 IEZyaWRheSwgT2N0b2JlciAyMCwgMjAxNyA5OjU4IEFNDQo+ID4+Pj4+Pj4NCj4gPj4+Pj4+PiBP biAxMC8yMC8yMDE3IDk6NTUgQU0sIEZlcnJ1aCBZaWdpdCB3cm90ZToNCj4gPj4+Pj4+Pj4gUmVt b3ZlIGRldmljZSByZXNldCBkdXJpbmcgYXBwbGljYXRpb24gc3RhcnQsIHRoZSByZXNldCBmb3IN Cj4gPj4+Pj4+Pj4gYXBwbGljYXRpb24gZXhpdCBzdGlsbCB0aGVyZS4NCj4gPj4+Pj4+Pj4NCj4g Pj4+Pj4+Pj4gUmVzZXQgaW4gb3BlbiByZW1vdmVkIGJlY2F1c2Ugb2YgZm9sbG93aW5nIGNvbW1l bnRzOg0KPiA+Pj4+Pj4+PiAxLSBEZXZpY2UgcmVzZXQgbm90IGNvbXBsZXRlZCB3aGVuIFZGIGRy aXZlciBsb2FkZWQsIHdoaWNoDQo+ID4+Pj4+Pj4+IGNhdXNlIFZGDQo+ID4+Pj4gUE1EDQo+ID4+ Pj4+Pj4+ICAgICBpbml0aWFsaXphdGlvbiBlcnJvci4NCj4gPj4+Pj4+Pj4gICAgIEFkZGluZyBk ZWxheSBjYW4gc29sdmUgdGhlIGlzc3VlIGJ1dCB3aWxsIGluY3JlYXNlIGRyaXZlciBsb2FkDQo+ IHRpbWUuDQo+ID4+Pj4+Pj4+DQo+ID4+Pj4+Pj4+IDItIFJlc2V0IHdpbGwgYmUgaXNzdWVzIGFs bCBkZXZpY2VzIHVuY29uZGl0aW9uYWxseSwgbm90IHZlcnkNCj4gZWZmaWNpZW50DQo+ID4+Pj4+ Pj4+ICAgICB3YXkuDQo+ID4+Pj4+Pj4+DQo+ID4+Pj4+Pj4+IEZpeGVzOiBiNThlZWRmYzdkZDUg KCJpZ2JfdWlvOiBpc3N1ZSBGTFIgZHVyaW5nIG9wZW4gYW5kDQo+ID4+Pj4+Pj4+IHJlbGVhc2Ug b2YgZGV2aWNlIGZpbGUiKQ0KPiA+Pj4+Pj4+PiBDYzogc3RhYmxlQGRwZGsub3JnDQo+ID4+Pj4+ Pj4+DQo+ID4+Pj4+Pj4+IFNpZ25lZC1vZmYtYnk6IEZlcnJ1aCBZaWdpdCA8ZmVycnVoLnlpZ2l0 QGludGVsLmNvbT4NCj4gPj4+Pj4+PiBIaSBKaW5namluZywgU2hpaml0aCwgR3JlZ29yeSwgSGFy aXNoLA0KPiA+Pj4+Pj4+DQo+ID4+Pj4+Pj4gQ2FuIHlvdSBwbGVhc2UgdGVzdCB0aGlzIG9uIHRv cCBvZiBjdXJyZW50IG1hc3RlciAod2hpY2ggaGFzDQo+ID4+Pj4+Pj4gYWxyZWFkeSBKaW5namlu J3MNCj4gPj4+Pj4+PiBmaXgpID8NCj4gPj4+Pj4+IFRoZSBvcmlnaW5hbCBGTFIgY2hhbmdlIGR1 cmluZyBpZ2JfdWlvIG9wZW4oKS9yZWxlYXNlKCkgaW4NCj4gPj4+Pj4+IERQREsxNy4wOCBhbHNv DQo+ID4+Pj4gaW1wYWN0cyBCTlgyWCBQTUQgYW5kIGl0IGV4aGliaXRzIHRoZSBpc3N1ZXMgd2l0 aCBiYXJlIG1ldGFsIHRlc3RpbmcuDQo+ID4+Pj4+Pg0KPiA+Pj4+Pj4gTm93LCB3ZSB0ZXN0ZWQg dGhpcyBjaGFuZ2UgZm9yIEJOWDJYIFBNRCB1c2luZyBsYXRlc3QgZHBkaywgd2hpY2gNCj4gPj4+ Pj4+IGhhcw0KPiA+Pj4+IHRoaXMgZml4IHdoZXJlIEZMUiBpcyBpbnZva2VkIG9ubHkgaW4gdGhl IHJlbGVhc2UoKS4NCj4gPj4+Pg0KPiA+Pj4+IEdvb2QgdG8gaGVhciB0aGlzIGZpeGVkIHRoZSBw cm9ibGVtLg0KPiA+Pj4NCj4gPj4+IFllcywgaXQgZml4ZWQgdGhlIGlzc3VlIGNhdXNlZCBieSBw Y2kgcmVzZXQgZHVyaW5nIGFwcGxpY2F0aW9uIHN0YXJ0Lg0KPiA+Pj4NCj4gPj4+Pg0KPiA+Pj4+ Pj4gSG93ZXZlciwgd2UgcmFuIGludG8gYW4gaXNzdWUgd2hlbiB0cnlpbmcgdG8gcmVsb2FkIHRo ZSB0ZXN0cG1kDQo+ID4+Pj4gYXBwbGljYXRpb24gaW4gcXVpY2sgc3VjY2Vzc2lvbi4gVGhlIHBj aSByZXNldCwgY2FsbGVkIGR1cmluZyB0aGUNCj4gPj4+PiBpZ2JfdWlvDQo+ID4+Pj4gcmVsZWFz ZSgpIG9wZXJhdGlvbiwgaXMgdGFraW5nIGxvbmdlciB0aW1lIGFuZCBhZGFwdGVyIGlzIHN0aWxs DQo+ID4+Pj4gZG9pbmcgdGhlIEZMUiB3aGVuIHdlIHJlbGF1bmNoIHRoZSBhcHBsaWNhdGlvbi4g V2Ugc2VlIHRoaXMNCj4gPj4+PiBiZWhhdmlvciB3aXRoIGJhcmUgbWV0YWwgdGVzdGluZy4NCj4g Pj4+Pj4NCj4gPj4+Pj4gSWYgd2UgZG9uJ3QgcmVzZXQgdGhhdCBkZXZpY2UsIGl0IHdpbGwgY29u dGludWUgd29ya2luZyB3aGljaCBpcyBhDQo+ID4+Pj4+IG1vcmUgc2VyaW91cyBpc3N1ZSBJTU8u DQo+ID4+Pj4NCj4gPj4+PiArMQ0KPiA+Pj4NCj4gPj4+IEkgdGhpbmssIGl0IHdvdWxkIGJldHRl ciBmb3IgdGhlIGluZGl2aWR1YWwgUE1EcyB0byB0YWtlIGNhcmUgb2YgdGhlDQo+ID4+PiByZXNl dA0KPiA+PiBkdXJpbmcgdGhlIGFwcGxpY2F0aW9uIGV4aXQuDQo+ID4+DQo+ID4+IFRoYXQgd2ls bCBuZXZlciBiZSBwb3NzaWJsZS4gUG9sbCBNb2RlIERyaXZlcnMgYXJlIHVzZXJzcGFjZSBlbnRp dGllcw0KPiA+PiBhbmQgcGFydCBvZiB0aGUgYXBwbGljYXRpb24uIElmIGFwcGxpY2F0aW9uIGNy YXNoZXMsIHRoZXJlIGlzIG5vIHdheQ0KPiA+PiBmb3IgUE1EIHRvIGRvIGNsZWFudXAsIGl0IG11 c3QgYmUgaGFuZGxlZCBieSBrZXJuZWwuDQo+ID4NCj4gPiBUaGUgcGNpIHJlc2V0IGluIHJlbGVh c2UgaXMgYnJlYWtpbmcgdGhlIEJOWDJYIFBNRC4gQ291bGQgd2UgcmV2ZXJ0IHRoaXMNCj4gcmVz ZXQgYW5kIGdldCBpdCBpbmNsdWRlZCB3aXRoIGEgc29sdXRpb24gdGhhdCB3b3JrcyBmb3IgYWxs IGluIHRoZSBuZXh0IHJlbGVhc2U/DQo+IA0KPiBIaSBSYXNlc2gsDQo+IA0KPiBJIGFtIG5vdCBz dXJlIGlmIHRoZXJlIGlzIG1vcmUgdG8gZG8gZm9yIHNvbHV0aW9uIGZvciBuZXh0IHJlbGVhc2Vz LCBhbmQgcmVsYXRlZA0KPiB0byB5b3VyIGNhc2UsIGluZGVlZCBJIHdhc24ndCBleHBlY3Rpbmcg YSBkZXZpY2UgcmVzZXQgd2lsbCB0YWtlIG1vcmUgdGhhbg0KPiBmaXZlIG1pbnV0ZXMuLi4NCj4g DQo+IFdvdWxkIHlvdSBiZSBPSyB0byBjb250cm9sIHRoZSByZXNldCB2aWEgYSBjb21waWxlIHRp bWUgY29uZmlnIG9wdGlvbiwgd2hpY2gNCj4gaXMgZW5hYmxlZCBieSBkZWZhdWx0LiBTbyB5b3Ug d2lsbCBuZWVkIHRvIGRpc2FibGUgaXQgdG8gcHJldmVudCB0aGUgcmVzZXQ/DQoNCkhpIEZlcnJ1 aCwNCg0KQXMgSSB1bmRlcnN0YW5kLCB3ZSB3aWxsIGhhdmUgYSBjb21waWxlIHRpbWUgY29uZmln IG9wdGlvbiwgZW5hYmxlZCBieSBkZWZhdWx0LCB0byBndWFyZCB0aGUgcGNpX3Jlc2V0X2Z1bmN0 aW9uKCkgaW4gdGhlIGlnYnVpb19wY2lfcmVsZWFzZSgpLiBXZSB3aWxsIGRpc2FibGUgdGhpcyBj b25maWcgb3B0aW9uIHRvIHByZXZlbnQgdGhlIHJlc2V0IHdoZW4gdXNpbmcgQk5YMlguDQpUaGUg Y29udHJvbGxlZCByZXNldCBzaG91bGQgd29yayBmb3IgdXMuDQoNClRoYW5rcyENCi1SYXNlc2gN Cg0K