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=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham 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 987FAC169C4 for ; Fri, 8 Feb 2019 17:14:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4802B20823 for ; Fri, 8 Feb 2019 17:14:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="LzbMFi1r"; dkim=pass (1024-bit key) header.d=fb.onmicrosoft.com header.i=@fb.onmicrosoft.com header.b="DYrUUbPS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727987AbfBHROS (ORCPT ); Fri, 8 Feb 2019 12:14:18 -0500 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:57382 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727411AbfBHROR (ORCPT ); Fri, 8 Feb 2019 12:14:17 -0500 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 x18HCc1Y023184; Fri, 8 Feb 2019 09:13:56 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=facebook; bh=P3dFYMxKfwoouVVKaSaYorN5Gc/eg0USf5UV9lkDwUQ=; b=LzbMFi1rCX0qySeRfP5XYnFEeQasJjvNDFTVL589WsnSpG5D85ExVi6afDIu0B3K37AI rJNl4fK9UvZ1clQMYV35hrSG9JVPalPuLWgojlppHhX6d4Zw6rsSKCSEaTtdCptSopkf P8BM22zugYNx6vmOq5+H7ISH250BLzOubdk= Received: from maileast.thefacebook.com ([199.201.65.23]) by m0089730.ppops.net with ESMTP id 2qhd1fg7ay-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Fri, 08 Feb 2019 09:13:56 -0800 Received: from frc-hub03.TheFacebook.com (2620:10d:c021:18::173) by frc-hub03.TheFacebook.com (2620:10d:c021:18::173) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1531.3; Fri, 8 Feb 2019 09:12:55 -0800 Received: from NAM03-DM3-obe.outbound.protection.outlook.com (192.168.183.28) by o365-in.thefacebook.com (192.168.177.73) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.1.1531.3 via Frontend Transport; Fri, 8 Feb 2019 09:12:55 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com; s=selector1-fb-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=P3dFYMxKfwoouVVKaSaYorN5Gc/eg0USf5UV9lkDwUQ=; b=DYrUUbPS8E20RTKKaUOiOGPaatbQLG+2oMz14zmY/a+SINrKHJayG/IMPM3huADOXND3j+BMNnGUhtol3GKjGAo5gkVCN+tXXA6yAnL2X6oLTnEe4NOttuScBdHOITStT6wSeLIJLyvOezjfLsblS8RvbU8qc/YqqkOTuPFpEfQ= Received: from BYAPR15MB3384.namprd15.prod.outlook.com (20.179.59.17) by BYAPR15MB2838.namprd15.prod.outlook.com (20.178.206.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1601.17; Fri, 8 Feb 2019 17:12:53 +0000 Received: from BYAPR15MB3384.namprd15.prod.outlook.com ([fe80::5c3:a690:6a4c:b62f]) by BYAPR15MB3384.namprd15.prod.outlook.com ([fe80::5c3:a690:6a4c:b62f%4]) with mapi id 15.20.1601.016; Fri, 8 Feb 2019 17:12:53 +0000 From: Yonghong Song To: Andrii Nakryiko , "alexei.starovoitov@gmail.com" , "andrii.nakryiko@gmail.com" , Song Liu , "Alexei Starovoitov" , Martin Lau , "netdev@vger.kernel.org" , Kernel Team , "daniel@iogearbox.net" Subject: Re: [PATCH v3 bpf-next 3/4] btf: expose API to work with raw btf_ext data Thread-Topic: [PATCH v3 bpf-next 3/4] btf: expose API to work with raw btf_ext data Thread-Index: AQHUv1ntp0/Jt6zPeUKFdQq9KnPJoaXWJGEA Date: Fri, 8 Feb 2019 17:12:53 +0000 Message-ID: References: <20190208025555.4027769-1-andriin@fb.com> <20190208025555.4027769-4-andriin@fb.com> In-Reply-To: <20190208025555.4027769-4-andriin@fb.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: BYAPR01CA0022.prod.exchangelabs.com (2603:10b6:a02:80::35) To BYAPR15MB3384.namprd15.prod.outlook.com (2603:10b6:a03:10e::17) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [2620:10d:c090:200::4:72d9] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;BYAPR15MB2838;20:ZACnZLRgbFhgaHKbAQihQ7WFrkW3dvhkq0u6xCmpSFHxMBZSi1ej2YSBhK5Qs9N/t4+hJXZNc443/YjPOUfddfl+UaePGFCXrJOoMdzyYVMPycIIkAiaYzJTLIQxql9jc1OfUhB5H3iGBactIpEisR+Ccgv3Ym0kMANjeysop6I= x-ms-office365-filtering-correlation-id: e08f0089-10e3-4e63-a147-08d68de8a93a x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600110)(711020)(4605077)(2017052603328)(7153060)(7193020);SRVR:BYAPR15MB2838; x-ms-traffictypediagnostic: BYAPR15MB2838: x-microsoft-antispam-prvs: x-forefront-prvs: 094213BFEA x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(346002)(376002)(136003)(366004)(39860400002)(396003)(189003)(199004)(6512007)(52116002)(71200400001)(53936002)(6246003)(81156014)(71190400001)(256004)(14444005)(25786009)(2501003)(14454004)(99286004)(478600001)(6436002)(229853002)(2906002)(8936002)(6486002)(53546011)(102836004)(446003)(316002)(305945005)(76176011)(6116002)(31686004)(68736007)(31696002)(11346002)(86362001)(110136005)(36756003)(476003)(2201001)(486006)(81166006)(2616005)(97736004)(8676002)(106356001)(105586002)(186003)(7736002)(46003)(386003)(6506007);DIR:OUT;SFP:1102;SCL:1;SRVR:BYAPR15MB2838;H:BYAPR15MB3384.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-message-info: 161bpOC4zhwfcCFnq3I0fF4q181TKtJXk9at8e7jsDDfqiYsVIGs8CL1HpGW1WvGqUYAESKx3jyDmZgzLKyTPi2zijcBqWX27rom77ELA6dFYqMztihFdO+yse/M6VSgz51PkhclYIiLKri+XpiE6M8Xba4ZNgI4TeR/fC0BJofFsScvq3quGxJl3XIXzHGvJd0j7gmb5s8RlL4PLcDJ/cSu4Opnc6cb05Le53rKRqri5hdopoeh6MBUxcTfj7BdprKEtxzspXPb9IzwwusuZkaHzU4G+iZjYwcs2la9zJubyFx7qx4BZ5byP3jnOpeEnjO1SnuJT12CrCM0HQPQbIs8KhB/ILPnXAiOr3r8/62fgy07hl5J2uUF6WL+J0Py6MbuxMEKH6DpC/IyckQRZBkkiTWL591bGOE0LIeGges= Content-Type: text/plain; charset="utf-8" Content-ID: <6A8A2AF30B2DE84BA399D1A45363CC94@namprd15.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: e08f0089-10e3-4e63-a147-08d68de8a93a X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Feb 2019 17:12:52.5661 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR15MB2838 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-02-08_08:,, signatures=0 X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org DQoNCk9uIDIvNy8xOSA2OjU1IFBNLCBBbmRyaWkgTmFrcnlpa28gd3JvdGU6DQo+IFRoaXMgcGF0 Y2ggY2hhbmdlcyBzdHJ1Y3QgYnRmX2V4dCB0byByZXRhaW4gb3JpZ2luYWwgZGF0YSBpbiBzZXF1 ZW50aWFsDQo+IGJsb2NrIG9mIG1lbW9yeSwgd2hpY2ggbWFrZXMgaXQgcG9zc2libGUgdG8gZXhw b3NlDQo+IGJ0Zl9leHRfX2dldF9yYXdfZGF0YSgpIGludGVyZmFjZSwgdGhhdCdzIHNpbWlsYXIg dG8NCj4gYnRmX19nZXRfcmF3X2RhdGEoKSwgYWxsb3dpbmcgdXNlcnMgb2YgbGliYnBmIHRvIGdl dCBhY2Nlc3MgdG8gcmF3DQo+IHJlcHJlc2VudGF0aW9uIG9mIC5CVEYuZXh0IHNlY3Rpb24uDQo+ IA0KPiBTaWduZWQtb2ZmLWJ5OiBBbmRyaWkgTmFrcnlpa28gPGFuZHJpaW5AZmIuY29tPg0KPiAt LS0NCj4gICB0b29scy9saWIvYnBmL2J0Zi5jICAgICAgfCA4NSArKysrKysrKysrKysrKysrKysr KystLS0tLS0tLS0tLS0tLS0tLS0tDQo+ICAgdG9vbHMvbGliL2JwZi9idGYuaCAgICAgIHwgIDIg Kw0KPiAgIHRvb2xzL2xpYi9icGYvbGliYnBmLm1hcCB8ICAxICsNCj4gICAzIGZpbGVzIGNoYW5n ZWQsIDQ3IGluc2VydGlvbnMoKyksIDQxIGRlbGV0aW9ucygtKQ0KPiANCj4gZGlmZiAtLWdpdCBh L3Rvb2xzL2xpYi9icGYvYnRmLmMgYi90b29scy9saWIvYnBmL2J0Zi5jDQo+IGluZGV4IDg3MzBm NmMzYmU5ZS4uYzg3Y2MzZDcxYjlmIDEwMDY0NA0KPiAtLS0gYS90b29scy9saWIvYnBmL2J0Zi5j DQo+ICsrKyBiL3Rvb2xzL2xpYi9icGYvYnRmLmMNCj4gQEAgLTQxLDkgKzQxLDggQEAgc3RydWN0 IGJ0ZiB7DQo+ICAgDQo+ICAgc3RydWN0IGJ0Zl9leHRfaW5mbyB7DQo+ICAgCS8qDQo+IC0JICog aW5mbyBwb2ludHMgdG8gYSBkZWVwIGNvcHkgb2YgdGhlIGluZGl2aWR1YWwgaW5mbyBzZWN0aW9u DQo+IC0JICogKGUuZy4gZnVuY19pbmZvIGFuZCBsaW5lX2luZm8pIGZyb20gdGhlIC5CVEYuZXh0 Lg0KPiAtCSAqIEl0IGRvZXMgbm90IGluY2x1ZGUgdGhlIF9fdTMyIHJlY19zaXplLg0KPiArCSAq IGluZm8gcG9pbnRzIHRvIHRoZSBpbmRpdmlkdWFsIGluZm8gc2VjdGlvbiAoZS5nLiBmdW5jX2lu Zm8gYW5kDQo+ICsJICogbGluZV9pbmZvKSBmcm9tIHRoZSAuQlRGLmV4dC4gSXQgZG9lcyBub3Qg aW5jbHVkZSB0aGUgX191MzIgcmVjX3NpemUuDQo+ICAgCSAqLw0KPiAgIAl2b2lkICppbmZvOw0K PiAgIAlfX3UzMiByZWNfc2l6ZTsNCj4gQEAgLTUxLDggKzUwLDEzIEBAIHN0cnVjdCBidGZfZXh0 X2luZm8gew0KPiAgIH07DQo+ICAgDQo+ICAgc3RydWN0IGJ0Zl9leHQgew0KPiArCXVuaW9uIHsN Cj4gKwkJc3RydWN0IGJ0Zl9leHRfaGVhZGVyICpoZHI7DQo+ICsJCXZvaWQgKmRhdGE7DQo+ICsJ fTsNCj4gICAJc3RydWN0IGJ0Zl9leHRfaW5mbyBmdW5jX2luZm87DQo+ICAgCXN0cnVjdCBidGZf ZXh0X2luZm8gbGluZV9pbmZvOw0KPiArCV9fdTMyIGRhdGFfc2l6ZTsNCj4gICB9Ow0KPiAgIA0K PiAgIHN0cnVjdCBidGZfZXh0X2luZm9fc2VjIHsNCj4gQEAgLTYwMywxOSArNjA3LDEzIEBAIHN0 cnVjdCBidGZfZXh0X3NlY19jb3B5X3BhcmFtIHsNCj4gICB9Ow0KPiAgIA0KPiAgIHN0YXRpYyBp bnQgYnRmX2V4dF9jb3B5X2luZm8oc3RydWN0IGJ0Zl9leHQgKmJ0Zl9leHQsDQo+IC0JCQkgICAg IF9fdTggKmRhdGEsIF9fdTMyIGRhdGFfc2l6ZSwNCj4gICAJCQkgICAgIHN0cnVjdCBidGZfZXh0 X3NlY19jb3B5X3BhcmFtICpleHRfc2VjKQ0KDQpPdmVyYWxsIGxvb2tzIGdvb2QuIFNpbmNlIHdl IGRvIG5vdCByZWFsbHkgImNvcHkiIGluZm8gYW55IG1vcmUsDQpyYXRoZXIgd2UgdHJ5IHRvICJz ZXR1cCIgaW5mbyBiYXNlZCBvbiBidGZfZXh0LiBNYXliZSBjaGFuZ2luZw0KYWxsIGZ1bmN0aW9u IGFuZCBzdHJ1Y3R1cmUgbmFtZXMgd2l0aCAiX2NvcHlfIiB0byAiX3NldHVwXyI/DQoNCj4gICB7 DQo+IC0JY29uc3Qgc3RydWN0IGJ0Zl9leHRfaGVhZGVyICpoZHIgPSAoc3RydWN0IGJ0Zl9leHRf aGVhZGVyICopZGF0YTsNCj4gICAJY29uc3Qgc3RydWN0IGJ0Zl9leHRfaW5mb19zZWMgKnNpbmZv Ow0KPiAgIAlzdHJ1Y3QgYnRmX2V4dF9pbmZvICpleHRfaW5mbzsNCj4gICAJX191MzIgaW5mb19s ZWZ0LCByZWNvcmRfc2l6ZTsNCj4gICAJLyogVGhlIHN0YXJ0IG9mIHRoZSBpbmZvIHNlYyAoaW5j bHVkaW5nIHRoZSBfX3UzMiByZWNvcmRfc2l6ZSkuICovDQo+IC0JY29uc3Qgdm9pZCAqaW5mbzsN Cj4gLQ0KPiAtCS8qIGRhdGEgYW5kIGRhdGFfc2l6ZSBkbyBub3QgaW5jbHVkZSBidGZfZXh0X2hl YWRlciBmcm9tIG5vdyBvbiAqLw0KPiAtCWRhdGEgPSBkYXRhICsgaGRyLT5oZHJfbGVuOw0KPiAt CWRhdGFfc2l6ZSAtPSBoZHItPmhkcl9sZW47DQo+ICsJdm9pZCAqaW5mbzsNClsuLi5dDQo=