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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 CC1B7C0650F for ; Sun, 11 Aug 2019 23:55:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 927AA2085B for ; Sun, 11 Aug 2019 23:55:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="WOR0z3bs"; dkim=pass (1024-bit key) header.d=fb.onmicrosoft.com header.i=@fb.onmicrosoft.com header.b="Jha1Pcg5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726144AbfHKXzF (ORCPT ); Sun, 11 Aug 2019 19:55:05 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:14272 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726055AbfHKXzF (ORCPT ); Sun, 11 Aug 2019 19:55:05 -0400 Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.0.27/8.16.0.27) with SMTP id x7BNrgJN002871; Sun, 11 Aug 2019 16:54:41 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=facebook; bh=+YwEQLeOT8xMx9CvQbEGzelOeDNScQnC1eWPGBxHtK0=; b=WOR0z3bsV8qZpT77ULbjpAhZajy+LNp3ZmMyn23G7qZDuX9Z/gH2LtKL/NdHm6Dt/vYs 8v5M0qbFpSjmKI1ImgN71SXYFHyj26DiY2KZqmihaiHB5PrTDka5nhaSujcI2V7nSXrm zDii5FtrrYvSPwAXjV+u4tRmfpdJkGfWYW8= Received: from mail.thefacebook.com (mailout.thefacebook.com [199.201.64.23]) by m0089730.ppops.net with ESMTP id 2uamdf94bd-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Sun, 11 Aug 2019 16:54:41 -0700 Received: from prn-mbx08.TheFacebook.com (2620:10d:c081:6::22) by prn-hub04.TheFacebook.com (2620:10d:c081:35::128) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5; Sun, 11 Aug 2019 16:54:40 -0700 Received: from prn-hub05.TheFacebook.com (2620:10d:c081:35::129) by prn-mbx08.TheFacebook.com (2620:10d:c081:6::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5; Sun, 11 Aug 2019 16:54:40 -0700 Received: from NAM03-BY2-obe.outbound.protection.outlook.com (192.168.54.28) by o365-in.thefacebook.com (192.168.16.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5 via Frontend Transport; Sun, 11 Aug 2019 16:54:40 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=gbhSeR+dDSZobl1uVNP/fedZ+WM6QdIo8lUjXKZA1bIj+/yI/e5/eG+wSM7fN/XgFt2DKVUQkl3S0uiF/ECkeppel7AtM7B8OiDz/Ac1mJHzmEi5o9Ly5ylO7EGwT1pZZZ97Y91GEs7ZtyKOLA1xyaXBOs/fjOMkYGeQ0QYt5QSaxvRXW3L1ovYyIVoCWlqEvASR1BFAK1Onwwryo+6WhoYUD+7BOeco+GbHDRuyRYuMzIujXS09sGd9pZrCsG1WffdoKsx59PT8nwW6QQF2wAdSD8dNVmuIQtao13dZWzQfw/r+x4406YWGKXLLRFX1U9nYjjeha2ACoAsY9HcHgQ== 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-SenderADCheck; bh=+YwEQLeOT8xMx9CvQbEGzelOeDNScQnC1eWPGBxHtK0=; b=ITQOY+OINBbZDaCXIugiNIXldqnevjjj2G5fKg7hvW8l4ViD5dv9aKkSe5v+NcLC2VZWcSlr0/b4mc6X84tGyn4R4c17ATEaCCIN3RZjkd5irBHt3zE7LfCpkhbTeFd9kB7VR7f0VnQ63kedI7BrN4B+oMHIY4NYIK5DshaE1sXihOxAyxK1Ie04seq8pE5iqEZXVw+aodl2iKk5JxDGrRnsyvUkJz/DWfqxDU+YUJMdRz5ChwCkk8rexQu/tLxqmbvKLdML0NzIVt2jutElj5bTJekGcDFuWiBuT0n6W1IGICYj0fq31ZPx8ElGaQSQvRlFHIeG8K2mSiyQAini9g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=fb.com; dmarc=pass action=none header.from=fb.com; dkim=pass header.d=fb.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com; s=selector2-fb-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+YwEQLeOT8xMx9CvQbEGzelOeDNScQnC1eWPGBxHtK0=; b=Jha1Pcg5vzr5kIDrHfQ1RClaotSGFt5hsh9yNAM1RjUKCFA4AD+K4nab14Aw7ymxvDyncLrRE2p2Ysedr8wsCu0s1eYHdLI7SnK5G+PBvz+DR5JJ+SioyKlway23ir5093HGgvP6dDL10FBA7bM5UbmehTLA8QATf2exhT84yY8= Received: from BYAPR15MB3384.namprd15.prod.outlook.com (20.179.59.17) by BYAPR15MB2583.namprd15.prod.outlook.com (20.179.155.140) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2157.16; Sun, 11 Aug 2019 23:54:23 +0000 Received: from BYAPR15MB3384.namprd15.prod.outlook.com ([fe80::d95b:271:fa7e:e978]) by BYAPR15MB3384.namprd15.prod.outlook.com ([fe80::d95b:271:fa7e:e978%5]) with mapi id 15.20.2157.020; Sun, 11 Aug 2019 23:54:23 +0000 From: Yonghong Song To: Stanislav Fomichev , "netdev@vger.kernel.org" , "bpf@vger.kernel.org" CC: "davem@davemloft.net" , "ast@kernel.org" , "daniel@iogearbox.net" , Martin Lau Subject: Re: [PATCH bpf-next v2 2/4] bpf: support cloning sk storage on accept() Thread-Topic: [PATCH bpf-next v2 2/4] bpf: support cloning sk storage on accept() Thread-Index: AQHVTs0IGXUdimmB1UOP5x8Id4H8K6b2opUA Date: Sun, 11 Aug 2019 23:54:23 +0000 Message-ID: <87d0a0e3-a704-b3ab-454c-408d6c464097@fb.com> References: <20190809161038.186678-1-sdf@google.com> <20190809161038.186678-3-sdf@google.com> In-Reply-To: <20190809161038.186678-3-sdf@google.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MWHPR01CA0026.prod.exchangelabs.com (2603:10b6:300:101::12) To BYAPR15MB3384.namprd15.prod.outlook.com (2603:10b6:a03:10e::17) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [2620:10d:c090:180::f361] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 32ad7394-b07e-467f-16a2-08d71eb73c15 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:BYAPR15MB2583; x-ms-traffictypediagnostic: BYAPR15MB2583: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:177; x-forefront-prvs: 0126A32F74 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(396003)(376002)(136003)(366004)(346002)(39860400002)(199004)(189003)(66556008)(53936002)(66446008)(66946007)(31686004)(64756008)(316002)(478600001)(229853002)(7736002)(186003)(76176011)(8936002)(14454004)(8676002)(81156014)(81166006)(6512007)(110136005)(66476007)(6116002)(305945005)(54906003)(6486002)(6436002)(2906002)(36756003)(2201001)(86362001)(25786009)(52116002)(486006)(2501003)(71190400001)(71200400001)(46003)(14444005)(446003)(476003)(2616005)(11346002)(99286004)(4326008)(102836004)(558084003)(6246003)(53546011)(6506007)(386003)(31696002)(5660300002)(256004);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR15MB2583;H:BYAPR15MB3384.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: fb.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 5GZfl6429CV+mKinVaOeh08HQaIqBVu5oNYJ+hFNPOSNFEaEl+6n3UZQfrJ7gsl+aPpSnt1OqxysvCR6WzlP8oyD5LiYw4T82FKxFwoUAwtigcwdqVsW96hBcyGPgS+gjcxbwgcuoCrl3AvLVfEeOwpNTwlwBpZAHL7zjjs3AzjKqTt7b6Ru4nJ9vJyQrvaBsFNghUY0VGFzQm7Sqp9MejOfTucmOUtAQ/CeNZ3EnNgqSfqryFgYzpMzZ0cEl38Fgn+V7ul6Tqm6npI8QmBi4Mnxx0uX7yP8WEyD9C16Ihgc0zRWOcv2Wmv3bssakBCUcaybUAMgZpFyVPHOD8OdZWr+V0kqdXdOr85Mezh6Fg0cclhraxXvXqLv4bOLgTP5hS6BpdlvjJiMlmWMZjk/tN1moADwF+TGBEuI5kxqIGw= Content-Type: text/plain; charset="utf-8" Content-ID: <60607958635022489D81FE89389D9DD7@namprd15.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 32ad7394-b07e-467f-16a2-08d71eb73c15 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Aug 2019 23:54:23.3637 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: hrXSspXWIvdAC4Pw3GEdEdKqjqb2ZmKhzXdc093bEv5Kl9O8anYmIEJLyRZBbSxg X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2583 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-11_12:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=659 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908110267 X-FB-Internal: deliver Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org DQoNCk9uIDgvOS8xOSA5OjEwIEFNLCBTdGFuaXNsYXYgRm9taWNoZXYgd3JvdGU6DQo+IEFkZCBu ZXcgaGVscGVyIGJwZl9za19zdG9yYWdlX2Nsb25lIHdoaWNoIG9wdGlvbmFsbHkgY2xvbmVzIHNr IHN0b3JhZ2UNCj4gYW5kIGNhbGwgaXQgZnJvbSBza19jbG9uZV9sb2NrLg0KPiANCj4gQ2M6IE1h cnRpbiBLYUZhaSBMYXUgPGthZmFpQGZiLmNvbT4NCj4gQ2M6IFlvbmdob25nIFNvbmcgPHloc0Bm Yi5jb20+DQo+IFNpZ25lZC1vZmYtYnk6IFN0YW5pc2xhdiBGb21pY2hldiA8c2RmQGdvb2dsZS5j b20+DQoNCkFja2VkLWJ5OiBZb25naG9uZyBTb25nIDx5aHNAZmIuY29tPg0K