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=-12.0 required=3.0 tests=BAYES_00,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 80D05C433E9 for ; Sat, 13 Mar 2021 21:10:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 58D4764EDA for ; Sat, 13 Mar 2021 21:10:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234730AbhCMVJv convert rfc822-to-8bit (ORCPT ); Sat, 13 Mar 2021 16:09:51 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:44750 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234725AbhCMVJi (ORCPT ); Sat, 13 Mar 2021 16:09:38 -0500 Received: from pps.filterd (m0148461.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 12DL8TAk025385 for ; Sat, 13 Mar 2021 13:09:38 -0800 Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com with ESMTP id 378ucs9nyg-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Sat, 13 Mar 2021 13:09:37 -0800 Received: from intmgw006.03.ash8.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 13 Mar 2021 13:09:30 -0800 Received: by devbig012.ftw2.facebook.com (Postfix, from userid 137359) id F02C12ED2050; Sat, 13 Mar 2021 13:09:22 -0800 (PST) From: Andrii Nakryiko To: , , , CC: , Subject: [PATCH v2 bpf-next 0/4] Build BPF selftests and its libbpf, bpftool in debug mode Date: Sat, 13 Mar 2021 13:09:16 -0800 Message-ID: <20210313210920.1959628-1-andrii@kernel.org> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-13_10:2021-03-12,2021-03-13 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 malwarescore=0 spamscore=0 priorityscore=1501 phishscore=0 adultscore=0 impostorscore=0 clxscore=1034 suspectscore=0 lowpriorityscore=0 mlxlogscore=797 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103130166 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Build BPF selftests and libbpf and bpftool, that are used as part of selftests, in debug mode (specifically, -Og). This makes it much simpler and nicer to do development and/or bug fixing. See patch #4 for some unscientific measurements. This patch set fixes new maybe-unitialized warnings produced in -Og build mode. Patch #1 fixes the blocker which was causing some XDP selftests failures due to non-zero padding in bpf_xdp_set_link_opts, which only happened in debug mode. Andrii Nakryiko (4): libbpf: add explicit padding to bpf_xdp_set_link_opts bpftool: fix maybe-uninitialized warnings selftests/bpf: fix maybe-uninitialized warning in xdpxceiver test selftests/bpf: build everything in debug mode tools/bpf/bpftool/btf.c | 3 +++ tools/bpf/bpftool/main.c | 3 +-- tools/bpf/bpftool/map.c | 2 +- tools/lib/bpf/libbpf.h | 1 + tools/testing/selftests/bpf/Makefile | 7 +++++-- tools/testing/selftests/bpf/xdpxceiver.c | 4 ++-- 6 files changed, 13 insertions(+), 7 deletions(-) -- 2.24.1