From patchwork Tue Dec 1 03:55:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrii Nakryiko X-Patchwork-Id: 1408618 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4ClSwM0dXcz9sT6 for ; Tue, 1 Dec 2020 14:57:07 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387444AbgLAD5G convert rfc822-to-8bit (ORCPT ); Mon, 30 Nov 2020 22:57:06 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:64478 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387402AbgLAD5E (ORCPT ); Mon, 30 Nov 2020 22:57:04 -0500 Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0B13uLwf005658 for ; Mon, 30 Nov 2020 19:56:24 -0800 Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com with ESMTP id 3547g8h5bn-9 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 30 Nov 2020 19:56:24 -0800 Received: from intmgw001.03.ash8.facebook.com (2620:10d:c085:108::8) by mail.thefacebook.com (2620:10d:c085:11d::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Mon, 30 Nov 2020 19:56:09 -0800 Received: by devbig012.ftw2.facebook.com (Postfix, from userid 137359) id 4D4FF2ECA628; Mon, 30 Nov 2020 19:56:02 -0800 (PST) From: Andrii Nakryiko To: , , , CC: , Subject: [PATCH v2 bpf-next 7/8] selftests/bpf: make bpf_testmod's traceable function global Date: Mon, 30 Nov 2020 19:55:44 -0800 Message-ID: <20201201035545.3013177-8-andrii@kernel.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20201201035545.3013177-1-andrii@kernel.org> References: <20201201035545.3013177-1-andrii@kernel.org> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-30_12:2020-11-30,2020-11-30 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 bulkscore=0 clxscore=1034 spamscore=0 suspectscore=8 phishscore=0 mlxscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 mlxlogscore=694 priorityscore=1501 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012010026 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Pahole currently isn't able to generate BTF for static functions in kernel modules, so make sure traced sidecar function is global. Signed-off-by: Andrii Nakryiko --- tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c index 4ff0cf23607d..2df19d73ca49 100644 --- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c +++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c @@ -10,7 +10,7 @@ #define CREATE_TRACE_POINTS #include "bpf_testmod-events.h" -static noinline ssize_t +noinline ssize_t bpf_testmod_test_read(struct file *file, struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len) @@ -25,6 +25,7 @@ bpf_testmod_test_read(struct file *file, struct kobject *kobj, return -EIO; /* always fail */ } +EXPORT_SYMBOL(bpf_testmod_test_read); ALLOW_ERROR_INJECTION(bpf_testmod_test_read, ERRNO); static struct bin_attribute bin_attr_bpf_testmod_file __ro_after_init = {