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=-10.7 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,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 AE1B8C433DB for ; Mon, 22 Feb 2021 22:01:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6125F64DA8 for ; Mon, 22 Feb 2021 22:01:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230466AbhBVWBe (ORCPT ); Mon, 22 Feb 2021 17:01:34 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:27630 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230260AbhBVWBd (ORCPT ); Mon, 22 Feb 2021 17:01:33 -0500 Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 11MLnT1r026303; Mon, 22 Feb 2021 14:00:23 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=date : from : to : cc : subject : message-id : references : content-type : in-reply-to : mime-version; s=facebook; bh=vUfvAn1bQ84coHxxZbZkWeFDmQPb8h71u/eI876zML8=; b=L3IODlDxM7VUfHr0FbKDW1AtXUL9ZLxB1sNxFF+DhHezX/mt/J35jllBeaLcmjTIfFFw sYX4SV8EWKIVpfSq6i/KnEkphPFqmV0yTuznF/3BxJLM4ZlD7LHbjz1Uswc08p8uHAO7 cGTxZcoMozP9geevJiIvH8BW2k5gIRYY2kM= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com with ESMTP id 36ujy7fp7t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Mon, 22 Feb 2021 14:00:23 -0800 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (100.104.98.9) by o365-in.thefacebook.com (100.104.94.228) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Mon, 22 Feb 2021 14:00:22 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=LrCUuF0N66TR7IW6fky/7/Ixr+ljD2NKjl7HCy6cyUmTY2riZJLgmw8OQyuWLgHcrUI1o1uBbFfMCV/c5MfDa82ZX7bOh0B6VoMw4BwwJi02YrRET6iHbyV/Ey/KrdqYk6P2MoLfuHa2d848kuX3AjkcVZ8tlMfEx3rigC7gbAXyJ5FxgqOu1DjATmjCWYTh4oVLJEepPUfS2uAh9Mu+Ly321AG8CVjfUUxcfDyOf5k4Q4VyfAD/6dFIIT71hHIj21dkeIKObEs8vp2RqPdhTuyMjNmZzfgVX7iWOq0tx8+rGXdd75IcQFhAk8ai35T8xMZXZ/VWq6pjUoylDqJJ9w== 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=vUfvAn1bQ84coHxxZbZkWeFDmQPb8h71u/eI876zML8=; b=LWOVhXlLDD11tHMtKgtgjyVlJ9bQ/BnlOJY1HfIITTIQAWSgAwhTyxN9ixw+9ehRQYXkP2yrmcdtRR5KCY3dLl/TxDgDNWnKcBzh6Oj80CW3CuQ06/aZwlhZu5JOY/oOVm4T4HZBhzF8lY8W6z5sqy4buhh6rc5BA7YKWSMyw6kKbv2xLjbiXDQIjny2dvcw17SH0LH5lPs0Pp8PpGgHbt3RsZuT+oHgWgJErzKuXWdTRb8/FoodwkG1k/MJ+u2pgtop1tfa82Afr6Ce3gu7M/4UlSYomFJOLS6vrQhrccCv9yb3sTf9xefVmDiVTy3REmuqriTAXuLueLPPw1yo0g== 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 Authentication-Results: gmail.com; dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=fb.com; Received: from BY5PR15MB3571.namprd15.prod.outlook.com (2603:10b6:a03:1f6::32) by SJ0PR15MB4390.namprd15.prod.outlook.com (2603:10b6:a03:35b::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3868.27; Mon, 22 Feb 2021 22:00:21 +0000 Received: from BY5PR15MB3571.namprd15.prod.outlook.com ([fe80::2975:c9d8:3f7f:dbd0]) by BY5PR15MB3571.namprd15.prod.outlook.com ([fe80::2975:c9d8:3f7f:dbd0%5]) with mapi id 15.20.3868.032; Mon, 22 Feb 2021 22:00:21 +0000 Date: Mon, 22 Feb 2021 14:00:17 -0800 From: Martin KaFai Lau To: grantseltzer CC: , , , , , , , , , , , , Subject: Re: [PATCH v4 bpf-next] Add CONFIG_DEBUG_INFO_BTF and CONFIG_DEBUG_INFO_BTF_MODULES check to bpftool feature command Message-ID: <20210222220017.qw3fby6mapnveg3u@kafai-mbp.dhcp.thefacebook.com> References: <20210222195846.155483-1-grantseltzer@gmail.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20210222195846.155483-1-grantseltzer@gmail.com> X-Originating-IP: [2620:10d:c090:400::5:bb5a] X-ClientProxiedBy: MWHPR03CA0024.namprd03.prod.outlook.com (2603:10b6:300:117::34) To BY5PR15MB3571.namprd15.prod.outlook.com (2603:10b6:a03:1f6::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from kafai-mbp.dhcp.thefacebook.com (2620:10d:c090:400::5:bb5a) by MWHPR03CA0024.namprd03.prod.outlook.com (2603:10b6:300:117::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3868.28 via Frontend Transport; Mon, 22 Feb 2021 22:00:20 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: fc5e1cd1-56c8-4a78-2dc0-08d8d77d3fb2 X-MS-TrafficTypeDiagnostic: SJ0PR15MB4390: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-FB-Source: Internal X-MS-Oob-TLC-OOBClassifiers: OLM:10000; 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:BY5PR15MB3571.namprd15.prod.outlook.com;PTR:;CAT:NONE;SFS:(366004)(136003)(396003)(376002)(346002)(39860400002)(7416002)(1076003)(16526019)(52116002)(4744005)(66556008)(9686003)(7696005)(66476007)(2906002)(5660300002)(66946007)(4326008)(8676002)(478600001)(86362001)(186003)(6666004)(6506007)(6916009)(83380400001)(8936002)(55016002)(316002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?g4iaj4Een3z/7fZnwwggzKPhaSQUl1FgiaeT4aJsz/uthx2y1/EENQ57aaj3?= =?us-ascii?Q?WsPVa4WAFVtbBunFK+JqMGmoywytcSvE3bZkmhuv3c6SSluJM4BC0odgAc1d?= =?us-ascii?Q?/xyXhhWYtdaf0etAVgOmAP6qtdFw8qfgAxyk4IR3n+vGJKZtSUfIqXT0Rm6m?= =?us-ascii?Q?z5zv+ySnw+SwOYgEO+HoKlm7iesXM32+k1n/gPdliACRZ8xN0vsChTbqqWic?= =?us-ascii?Q?Mrws3ViXhMloZOqvV1g9o9dVwngZ7VR2XgtiVe9PHroSHK2+LCNwaEzWY4Xl?= =?us-ascii?Q?OmfmqnWB094aeNGiLlV5Six1KjJ0yI7u3F9v5T4vpalp1p8Qqprr1WbGkkgq?= =?us-ascii?Q?4HEYcux686NfqHXfRqVdJSAVXbb3S2gIjp1T3l9wAAEtebkExFz4tgvABJNI?= =?us-ascii?Q?dIkhVnKZiBU/ONpkr76ygKi1+KrK+4Km+j23yF4CEStri9Sv3fN6BhZwhvE2?= =?us-ascii?Q?HQu9XK2hvjay5ivoU97Xe72DCW2ct8YXQBsNm8mFZqPE2RpKsc0VNsf+4DbK?= =?us-ascii?Q?Zt9rXFQKI3JKj+TTWxbrPIjQslF7eeS89lZdmSUALOoLf0f088L5JcFbn//p?= =?us-ascii?Q?p4r/J64S8LU0bGTaWOuN7+wMoAwPMy1bWd0qYBgM0SrRv4QWXsotZS0TgGCK?= =?us-ascii?Q?pz8Nd08hBD+ZnYcfSDVX2geP21idZRZ50qho2QaUTxAgG7Ube+aUq74DMeFY?= =?us-ascii?Q?E8ZFG88Xoi7oqCx9lDW+GkUmWVEgcPDDaG1Ns+elyHJqM9OwCUPS5/BpqZFB?= =?us-ascii?Q?oKqZZWT+IGtvYV47dfYP+sBAdDIANnPPPbUq20y3+dTCy8tg0zkYp/Nr6siy?= =?us-ascii?Q?xoGQ3WaMCtfc1c06WYwAy5uzg25EfCTbQUSy4IkHV6Y7ykg6Lb5QYXrCHcRz?= =?us-ascii?Q?Ry2gC5F8GKcuBlNO+0yRNbfe/eUDi7vYnN6kAoVF1Lwl7T1QIxACV0X1X7Sx?= =?us-ascii?Q?sSF88pOmESwwvoytZA+VWNDvNGz0qxILqW9NQuaeN4HsILKMQlcm9VJBLXl3?= =?us-ascii?Q?I4KK7Dnldud4dDDFpk5QQsgxo8KuUE8CR6x1G0OUshhutrftiLoqSz2HKbd+?= =?us-ascii?Q?JXJ9UL1X+Y/lJQ9KmTFpORR18+2MREgWoD+Ytvdx7d6Ftmf+YCXNq0ZSwZiC?= =?us-ascii?Q?5hDbEwRuI5VH7crh2OLA+XzYw44PEjvS6AulyC/Z2XDw1grPckeVZ+Ap+/L2?= =?us-ascii?Q?DhhA8tqDOauDsbsl34LVGThzpHkTKtuhCo1n8xhOOY8RdtiyTCseo+0VD/CL?= =?us-ascii?Q?jQxsoa8iOiHZvb6az190a0aNr13As0vIappBu1RERKyOFp7xdnpY11etyKXi?= =?us-ascii?Q?JaOB2nCGVElBdkkGQnY+cL/T/Nqdqp28mIyTeoE7TXB6hw=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: fc5e1cd1-56c8-4a78-2dc0-08d8d77d3fb2 X-MS-Exchange-CrossTenant-AuthSource: BY5PR15MB3571.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Feb 2021 22:00:21.5319 (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: K/ImhbRR+UhXUo3u/gHvDrTf1zo/+ixAobSPmokg2ypLYAYAVUYbn/pQ/BpGS9He X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR15MB4390 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-02-22_07:2021-02-22,2021-02-22 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 bulkscore=0 spamscore=0 priorityscore=1501 phishscore=0 adultscore=0 mlxscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=999 suspectscore=0 impostorscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102220189 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Mon, Feb 22, 2021 at 07:58:46PM +0000, grantseltzer wrote: > This adds both the CONFIG_DEBUG_INFO_BTF and CONFIG_DEBUG_INFO_BTF_MODULES > kernel compile option to output of the bpftool feature command. > This is relevant for developers that want to account for data structure > definition differences between kernels. Acked-by: Martin KaFai Lau [ Acked-by and Reviewed-by can be carried over to the following revisions if the change is obvious. Also, it is useful to comment on what has changed between revisions. There is no need to resend this patch just for this though. ]