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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 7F21EC43603 for ; Sat, 14 Dec 2019 00:20:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C19C206DA for ; Sat, 14 Dec 2019 00:20:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="Eg//q2wn"; dkim=pass (1024-bit key) header.d=fb.onmicrosoft.com header.i=@fb.onmicrosoft.com header.b="Mx27Nqk6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726638AbfLNAUZ (ORCPT ); Fri, 13 Dec 2019 19:20:25 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:11892 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726590AbfLNAUY (ORCPT ); Fri, 13 Dec 2019 19:20:24 -0500 Received: from pps.filterd (m0148461.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xBE0ALY9005251; Fri, 13 Dec 2019 16:20:10 -0800 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=xmdD1PrlT7Vr/Zx3NMDriLN2slgN5xebzC0GkzxREO4=; b=Eg//q2wn68e3UHPQZSeOzUtK0+ep5sfr3NN5mkFAMIAJel3QzCrauwFbNA/WuntotzMP T9y986rd8eyujQg0z/fTx0LMwEP6XC0NCDFfBFk8sjOut8ioJKDaSDHgfKOPUkfcOOyk Z3+M5zQRiqIy/2VK02aABF1lqqep3YnyNGI= Received: from mail.thefacebook.com (mailout.thefacebook.com [199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 2wvjpr0man-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Fri, 13 Dec 2019 16:20:10 -0800 Received: from prn-hub06.TheFacebook.com (2620:10d:c081:35::130) by prn-hub03.TheFacebook.com (2620:10d:c081:35::127) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5; Fri, 13 Dec 2019 16:20:10 -0800 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (192.168.54.28) by o365-in.thefacebook.com (192.168.16.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1713.5 via Frontend Transport; Fri, 13 Dec 2019 16:20:09 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=VOsdr7sN4FEmoJxkQpLtQww0GwHmHufuuUb5+SPgoTxi+OjKId2NGqULNy7AHa4iLU7AZwAv/LUj8C5X1tpupODt9vsE9AyfDRWPcbzmwyJZqmJ8Jk5Dl5mTVgxRSvPv0rW1ViFfcAfA9RdmAIJ3ut5JCqtbmWafEoIw3s5OHGZVggzgOscReAm7MIznd7KDqDbgYoYTcwRydNCKOJmXY/GwL6+qypaOtQwGEB5ewwk0IwdDzOhNDvazEZYAqkkBE1Xh/CKjHyOvy4RpwFIn4XOVkD2wIvqO1Hfvs9fF29O6QWbLKzwV62C8e6ZCKO+auGH4H0c9AuD90h1H+Pedwg== 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=xmdD1PrlT7Vr/Zx3NMDriLN2slgN5xebzC0GkzxREO4=; b=fJFAwpRfTONJyhU6ZZjp08ra0FRNHhS7dbJMeve1EqDRBOtNx4QeSzqWSNKvS8EhmnPYOFCxErtRn0WC/xuNWj48TcrtQI6/r2iw43QG2ilVNFbH030kfUG5VLKz6P7RJ8g39M51jBWxPZ6iyyb+KigHPuWx+TOUUTfuQiCQycxCUmDPmUhKD0H3/ecrshttPqBEQge2E0TaAImWWh+htwWjdS4osWwJdu5VBVd/I9yfpTp8HHR+bod0/aCbIaLBO71KPmBEkon6FmNylBOoJCEOjATQwd7+PGJcCcgNppA9qaM3DPNKmYUSyB4LAVcO4O24uuJI0PPoSVenRptXqw== 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=xmdD1PrlT7Vr/Zx3NMDriLN2slgN5xebzC0GkzxREO4=; b=Mx27Nqk6sAiq+ynp605JQd5n69Zv7jRJFqC4WIiYz1pejSfq2Wnx9p4c2VTD4IuEgKwKAtvQdeqPkTfS4qPCXP4lEr9Cv5jCIS/rAuMQkrOL9llUv+dnPpOzMPG3Xqt22D30Xgui+lTEQ5utDUdEfF3PIC8vRG8Ojh7UdO/pTxU= Received: from MWHPR15MB1678.namprd15.prod.outlook.com (10.175.137.19) by MWHPR15MB1279.namprd15.prod.outlook.com (10.175.4.142) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2538.16; Sat, 14 Dec 2019 00:20:08 +0000 Received: from MWHPR15MB1678.namprd15.prod.outlook.com ([fe80::9496:6fad:96ac:4de8]) by MWHPR15MB1678.namprd15.prod.outlook.com ([fe80::9496:6fad:96ac:4de8%9]) with mapi id 15.20.2538.017; Sat, 14 Dec 2019 00:20:08 +0000 From: Alexei Starovoitov To: Andrii Nakryiko , "bpf@vger.kernel.org" , "netdev@vger.kernel.org" , "daniel@iogearbox.net" CC: "andrii.nakryiko@gmail.com" , Kernel Team Subject: Re: [PATCH v3 bpf-next 2/4] libbpf: support libbpf-provided extern variables Thread-Topic: [PATCH v3 bpf-next 2/4] libbpf: support libbpf-provided extern variables Thread-Index: AQHVshBU3wN9WCarLEiMGQoLYjPRaae4xEiA Date: Sat, 14 Dec 2019 00:20:08 +0000 Message-ID: References: <20191213235144.3063354-1-andriin@fb.com> <20191213235144.3063354-3-andriin@fb.com> In-Reply-To: <20191213235144.3063354-3-andriin@fb.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MWHPR13CA0045.namprd13.prod.outlook.com (2603:10b6:300:95::31) To MWHPR15MB1678.namprd15.prod.outlook.com (2603:10b6:300:11e::19) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [2620:10d:c090:180::7ad7] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7af7f6ea-da62-4390-31e4-08d7802b600c x-ms-traffictypediagnostic: MWHPR15MB1279: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6790; x-forefront-prvs: 025100C802 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(136003)(366004)(376002)(346002)(396003)(39860400002)(189003)(199004)(316002)(31696002)(31686004)(110136005)(8936002)(54906003)(186003)(2906002)(4326008)(86362001)(71200400001)(52116002)(2616005)(6506007)(6512007)(36756003)(53546011)(6486002)(4744005)(66446008)(66476007)(478600001)(8676002)(66556008)(64756008)(5660300002)(66946007)(81156014)(81166006);DIR:OUT;SFP:1102;SCL:1;SRVR:MWHPR15MB1279;H:MWHPR15MB1678.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: fb.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: x+XH4qYjsF1VOy5Xpp4QmJYn2uXmysAk5nEF+lDuDxRFpaJ2w+MyEVYqOVPuTHu6AF/os9gVBVhAVrdsmhOTUoOhkQqgWdqTRHxTqRxqHFswc2dv3aqgOBDIl2Fl3u4Xn9iMDeD+pS9oTdT/MFXAiuX2EyISF855xtiWu1wIHIK/BPFROoIhaC4lGQb6JUj0KWN7vM9wh5wlMaOGlMApjc13aRLrH9VczwLxQq+PWKmxXxKXrqOiHAtHslO5d2O8SSt/r/BcWsMZ3VZbfdjQMuw3lOuLQ91iJcWkh33+ezOZvrb+G6Llm7VUralKuJstEDKC7d+GxGrxmJAGFl9pnDrj7hvrKgK1tg+3oQ6iREWNtIXWb7CoYf7ClJMJ4j8hRhdGEHSkNLJyGTI6ywqifnO5rwb3fj8A5i24WF6o7VUW+jn8DlK1X6idzMaJfpDB Content-Type: text/plain; charset="utf-8" Content-ID: <14C7E58D116E11448A144B8D47D223AD@namprd15.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 7af7f6ea-da62-4390-31e4-08d7802b600c X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Dec 2019 00:20:08.1394 (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: 69dPJZafZ1DFKEsf82pkonajhQgGbjEOOv4KaxwBxNxWh6ZK2CHnBJ8CZiyECtug X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR15MB1279 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-12-13_09:2019-12-13,2019-12-13 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 mlxlogscore=999 malwarescore=0 bulkscore=0 impostorscore=0 spamscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 suspectscore=0 phishscore=0 clxscore=1015 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1912140000 X-FB-Internal: deliver Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org T24gMTIvMTMvMTkgMzo1MSBQTSwgQW5kcmlpIE5ha3J5aWtvIHdyb3RlOg0KPiAgIHN0YXRpYyBp bnQNCj4gICBicGZfb2JqZWN0X19pbml0X2ludGVybmFsX21hcChzdHJ1Y3QgYnBmX29iamVjdCAq b2JqLCBlbnVtIGxpYmJwZl9tYXBfdHlwZSB0eXBlLA0KPiAtCQkJICAgICAgaW50IHNlY19pZHgs IEVsZl9EYXRhICpkYXRhKQ0KPiArCQkJICAgICAgaW50IHNlY19pZHgsIHZvaWQgKmRhdGEsIHNp emVfdCBkYXRhX3N6KQ0KDQp0aGUgcHJldmlvdXMgcGF0Y2ggc2V0IGRpZDoNCiAgYnBmX29iamVj dF9faW5pdF9pbnRlcm5hbF9tYXAoc3RydWN0IGJwZl9vYmplY3QgKm9iaiwgZW51bSANCmxpYmJw Zl9tYXBfdHlwZSB0eXBlLA0KLSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgaW50IHNlY19p ZHgsIEVsZl9EYXRhICpkYXRhLCB2b2lkICoqZGF0YV9idWZmKQ0KKyAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgaW50IHNlY19pZHgsIEVsZl9EYXRhICpkYXRhKQ0KDQphbmQgbm93IHRoaXMg cGF0Y2ggc2V0IHJlZmFjdG9ycyBpdCBhZ2FpbiBmcm9tIEVsZl9EYXRhIGludG8NCnR3byBpbmRp dmlkdWFsIGFyZ3VtZW50cy4NCkNvdWxkIHlvdSBkbyB0aGlzIHJpZ2h0IGF3YXkgaW4gdGhlIHBy ZXZpb3VzIHNldCBhbmQgYXZvaWQgdGhpcyBjaHVybj8NCk5vdCBhIHN0cm9uZyBvcGluaW9uIHRo b3VnaC4NCkp1c3Qgb2RkIHRvIHNlZSB0aGUgZnVuY3Rpb24gYmVpbmcgY2hhbmdlZCBiYWNrIHRv IGJhY2suDQpUaGFua2Z1bGx5IHRoYXQncyBpbnRlcm5hbCBpbiAuYyBmaWxlLg0K