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=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,PDS_BAD_THREAD_QP_64,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 D9924C433C1 for ; Tue, 30 Mar 2021 06:14:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A24946191B for ; Tue, 30 Mar 2021 06:14:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229655AbhC3GNU (ORCPT ); Tue, 30 Mar 2021 02:13:20 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:47678 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229468AbhC3GMq (ORCPT ); Tue, 30 Mar 2021 02:12:46 -0400 Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.0.43/8.16.0.43) with SMTP id 12U69lDr016133; Mon, 29 Mar 2021 23:12:31 -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=ey1yZuncpQdxpyJlGW/zyyK2CG7pu1H5KS5610lYKeU=; b=oS/I/4ahffIBCiosEL4ZVkNhTya3FqTZojE5MzCM2iRgYzKVXF8Yb0X2oCwgPjBXXHNr KCgta7FdWqln2ywkoobb4cARUzhFAxikoB0i+9uHBoPS8+qRR2B82Xvz5WhJ96Dq8In5 RW0+vZNerQ/UQUBL5fSzipGZesamYx+o7v4= Received: from mail.thefacebook.com ([163.114.132.120]) by m0089730.ppops.net with ESMTP id 37kuvm0mtu-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Mon, 29 Mar 2021 23:12:31 -0700 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (100.104.98.9) by o365-in.thefacebook.com (100.104.94.230) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 29 Mar 2021 23:12:30 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=aFlmTrd+DLy1onVx5O9SgSf4i6gzrx4CuoKQyY/qy3ZoPKzINNu4wVlVOKdbKJjHBOCpIl9qnt9hMBtufJgKvpQ+K4VsrcMm97rGIDAMgSlBmZXUQRBHQvaUBM85Vv3BnmG15gTLn/bqDcil6mqD+frcd5dmwE+rfKwtMYvW6Td1nKsZk8t5Kwu6Z8SzdJw+JGZ73z7UuyjT0wH2pH1awXeRvoHWNCydxqifCOLsNiDjo0oBmVvkPUjy5om1paYlXfvLsZ7GcTOVWcQLuQ8JDzkB6ft5xxMd6nm9hCQ5Tfgb6wMOOIDiH0fTuPjOzjYdlnnEMBaKVCsTwDqpllV9Kw== 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=ey1yZuncpQdxpyJlGW/zyyK2CG7pu1H5KS5610lYKeU=; b=gXEFY4Td1g2hTk8ynd/ZxKP9DZO6AVBRUln6H07qwIatTbOa7wTpFHYmU+1+wvm+e0kg4i7I4uk3QBqPXGO7xzfqnukfR71qdvURsSJF9naaG6Gxxjvs71dM75o49b+BNImHWzxJw3UuCLUtiXFR5NxINPcG7huRfmG3L8A0kxAnGsf1he4LWq1cj2c42kjED/mpmC2EWGE4EmB6hFy8r7Glzv3Huc59sxC7F/pbIfvfTIvo9cLTdtwNxe3ocArHaYSgw4MVppbg7cM4WvvLLj8syq+LgoqreiGanegMCd3Onboozaztpq9xj79TA7Hcth8xbfpdqTInokjZWUEwkg== 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 Received: from BYAPR15MB2999.namprd15.prod.outlook.com (20.178.238.12) by SJ0PR15MB4392.namprd15.prod.outlook.com (13.101.76.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3977.29; Tue, 30 Mar 2021 06:12:30 +0000 Received: from BYAPR15MB2999.namprd15.prod.outlook.com ([fe80::1ce0:8b27:f740:6b60]) by BYAPR15MB2999.namprd15.prod.outlook.com ([fe80::1ce0:8b27:f740:6b60%4]) with mapi id 15.20.3933.039; Tue, 30 Mar 2021 06:12:29 +0000 From: Song Liu To: Jiri Olsa CC: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , "netdev@vger.kernel.org" , "bpf@vger.kernel.org" , Martin Lau , Yonghong Song , John Fastabend , KP Singh , =?iso-8859-1?Q?Toke_H=F8iland-J=F8rgensen?= Subject: Re: [RFC PATCH bpf-next 4/4] selftests/bpf: Test that module can't be unloaded with attached trampoline Thread-Topic: [RFC PATCH bpf-next 4/4] selftests/bpf: Test that module can't be unloaded with attached trampoline Thread-Index: AQHXI8VIiPF+jGZH7EqDNx8VLWF/F6qcD8aA Date: Tue, 30 Mar 2021 06:12:29 +0000 Message-ID: <2771EF17-3414-4E46-8072-EE265E31A391@fb.com> References: <20210328112629.339266-1-jolsa@kernel.org> <20210328112629.339266-5-jolsa@kernel.org> In-Reply-To: <20210328112629.339266-5-jolsa@kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3654.60.0.2.21) authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=fb.com; x-originating-ip: [2620:10d:c090:400::5:6e51] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7e91187a-9ca8-47d4-67ad-08d8f342cca4 x-ms-traffictypediagnostic: SJ0PR15MB4392: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-fb-source: Internal x-ms-oob-tlc-oobclassifiers: OLM:663; x-ms-exchange-senderadcheck: 1 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:BYAPR15MB2999.namprd15.prod.outlook.com;PTR:;CAT:NONE;SFS:(136003)(346002)(366004)(39860400002)(376002)(396003)(6512007)(8676002)(71200400001)(36756003)(5660300002)(83380400001)(6486002)(33656002)(478600001)(86362001)(2906002)(66946007)(64756008)(558084003)(66446008)(4326008)(66556008)(2616005)(91956017)(76116006)(6506007)(53546011)(54906003)(38100700001)(8936002)(66476007)(186003)(316002)(6916009)(45980500001);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: =?iso-8859-1?Q?eowXAscGIfGyqWSQZHaGwrGTezwM3Rkc3kw69SiUilaHAkJhGez6BEjOOt?= =?iso-8859-1?Q?Aq9acGrMZczENeNS79zCC4bmXrWVwk0yfdJRzf1EmEBes318wJsGNM8E2z?= =?iso-8859-1?Q?d1mCBUxkbniqP02NEj/wLjzAldrWT+QA+1l2rRbqhTNMEWiJsAdxceoiXM?= =?iso-8859-1?Q?XQhA3ZglEKJeqefV2M/NiMKho/ZwXgNcEgLLrNQDvv2duU53GWT/0IhjsN?= =?iso-8859-1?Q?PKXjOnREP1jLkRkyFcGW2jWHLbQ7NQt0YRM9Mw8ozjbI8NAe1F1KZgjYMm?= =?iso-8859-1?Q?iodtE80mFJAf7coOIGi/RJo0LV224W2+G5RJsE1JK4JfR0Bgr9/yPa6La/?= =?iso-8859-1?Q?NlDURKWb5jSWZTU6Y+1UppkmZz76PGwFPN7ZGAJzNlzR4B2Vaehppy9Gda?= =?iso-8859-1?Q?v9mt4qK7LUjt+srqNhLm8HApdkKDwGUdh7Cwc25pukp4l9d5zeD4N7FWAu?= =?iso-8859-1?Q?QzBjngnGGB+pS9wINMHyuwL4gTsCMnT8Eko1BMqPWQOH6nfBnFZVhXPzWi?= =?iso-8859-1?Q?JNnG8BeGqDTXJ51Zh/FxpD2qUL2blSbWVF33TY/l0XwbBXOUlS4R/jVvLp?= =?iso-8859-1?Q?iIljzYE3vmpKdIyeFKI6FpfmwVqT2DGYHsBvKNeJ4vho2x5YiZPDbxoPzH?= =?iso-8859-1?Q?P+79cYgrwnJY2iyevqXUJPMFzDq7f5t++pAtZqv9WK399R14xIpOE1QFMr?= =?iso-8859-1?Q?9ONHaImOFgtBw6OKqLBvi9e/OMQDV+mjGC5tu/n33Gjw6RHWTGTZ33Bd5O?= =?iso-8859-1?Q?CQvCOGTTtWUhU2kse8QDaF2/wPNoZRt6u9aK9/B3gUQ3ZzlBqhxDB6AQbI?= =?iso-8859-1?Q?T1eWxrz66NUbjGEoPp/oudG5wUJGgeE8n5OEKk2MJLx9d3FpeFADsQNUn3?= =?iso-8859-1?Q?LNaILw+wzfefyxOPZ3Y3PXox/6bQTYe08u5xg1vJsGTZXyBh4V1rOR23pm?= =?iso-8859-1?Q?oIc458H6Vl/f7SwYhs4pWkFLp4Q0egam3oPrv8phwlsUjvT0EyorIqOMiz?= =?iso-8859-1?Q?O7ZAKHT7vpFuVPlYTdQcRFKHdBe1T9lKfO6gyI3xV3Y08GPtLZ7dKYQRFP?= =?iso-8859-1?Q?kkQvlI3g0k6gec/2+l+KrqDs0vNOnG7zmoiSYPWMdECZVWjyFs5swllZIZ?= =?iso-8859-1?Q?a6WoIRehZnxUwdCWuamdlRy7H+LEYlIrD7OLqv4bTGwjuNObfMKgDjDKub?= =?iso-8859-1?Q?A5yEym48hJwvPlKa4mGHaYMtRBEffHIgHwQqLy5xTacxQoxgGzCyCJcYmy?= =?iso-8859-1?Q?ygWzB78sMDXEJ9Jds8M0p4VgCYmHefOCuWEkiVNs64kZCjy7O2fBIYd4Ro?= =?iso-8859-1?Q?qxqcH7JKiGKdrYnZQG2jco+CQNv4D4bOjLrGlQRUmsYqJnFUw36/wwLva5?= =?iso-8859-1?Q?unZ+lzgx3MuZoWs6sMNbcl/Me37osALJlY8hZPlgZK4/urJHA+1IM=3D?= Content-Type: text/plain; charset="iso-8859-1" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR15MB2999.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7e91187a-9ca8-47d4-67ad-08d8f342cca4 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Mar 2021 06:12:29.8223 (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: J2KcQrNoYDdR5UjoJYEvsvfnIrDEaq9KF8reIePlDWST4c18uLNRSWBmmwjHT1RnVPe07Bl/++0mpuVEDW12VQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR15MB4392 X-OriginatorOrg: fb.com X-Proofpoint-GUID: jKIATHB7KNC68NjQxt4yTEEP2s8yhZpz X-Proofpoint-ORIG-GUID: jKIATHB7KNC68NjQxt4yTEEP2s8yhZpz X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-30_01:2021-03-26,2021-03-30 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 lowpriorityscore=0 phishscore=0 impostorscore=0 mlxscore=0 mlxlogscore=825 bulkscore=0 adultscore=0 spamscore=0 suspectscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2103250000 definitions=main-2103300044 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org > On Mar 28, 2021, at 4:26 AM, Jiri Olsa wrote: >=20 > Adding test to verify that once we attach module's trampoline, > the module can't be unloaded. >=20 > Signed-off-by: Jiri Olsa Acked-by: Song Liu [...]