From patchwork Thu Mar 12 18:23:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Liu X-Patchwork-Id: 222630 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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=no 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 DD966C2BB1D for ; Thu, 12 Mar 2020 18:24:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B86B6206EB for ; Thu, 12 Mar 2020 18:24:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="pjJrA+ux" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726740AbgCLSYn (ORCPT ); Thu, 12 Mar 2020 14:24:43 -0400 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:31510 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726569AbgCLSYn (ORCPT ); Thu, 12 Mar 2020 14:24:43 -0400 Received: from pps.filterd (m0044010.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02CIHgT0020284 for ; Thu, 12 Mar 2020 11:24:42 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=facebook; bh=DYeI4xDldKGYM55ob3MvA89OrCHGz438Apo+oI5jwWc=; b=pjJrA+uxkd965ElFuRooo8mw5X8hUiJ8EMXtpbUWuYzgjrv+sPFnBrK0SbouvNJv1c4v hwNN+ThCwribQ5fWrNkk/Cxjs3ArFmmvVCxtAgaA+0EoBb3MZpLSlVk5JzI3fR/TNDVv tpk0EMII1bwtw1MoKhRz1G5tVoXr9ae3Wtg= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com with ESMTP id 2yqt80r15d-16 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 12 Mar 2020 11:24:42 -0700 Received: from intmgw002.08.frc2.facebook.com (2620:10d:c085:108::8) by mail.thefacebook.com (2620:10d:c085:21d::4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1847.3; Thu, 12 Mar 2020 11:23:44 -0700 Received: by devbig006.ftw2.facebook.com (Postfix, from userid 4523) id E2BFC62E017A; Thu, 12 Mar 2020 11:23:38 -0700 (PDT) Smtp-Origin-Hostprefix: devbig From: Song Liu Smtp-Origin-Hostname: devbig006.ftw2.facebook.com To: , CC: , , , , , , , Song Liu Smtp-Origin-Cluster: ftw2c04 Subject: [PATCH v3 bpf-next 0/3] Fixes for bpftool-prog-profile Date: Thu, 12 Mar 2020 11:23:29 -0700 Message-ID: <20200312182332.3953408-1-songliubraving@fb.com> X-Mailer: git-send-email 2.17.1 X-FB-Internal: Safe MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-03-12_12:2020-03-11,2020-03-12 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 suspectscore=0 malwarescore=0 clxscore=1015 adultscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 phishscore=0 mlxlogscore=837 mlxscore=0 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003120093 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 1. Fix build for older clang; 2. Fix skeleton's dependency on libbpf; 3. Add files to .gitignore. Changes v2 => v3: 1. Add -I$(LIBBPF_PATH) to Makefile (Quentin); 2. Use p_err() for error message (Quentin). Changes v1 => v2: 1. Rewrite patch 1 with real feature detection (Quentin, Alexei). 2. Add files to .gitignore (Andrii). Song Liu (3): bpftool: only build bpftool-prog-profile if supported by clang bpftool: skeleton should depend on libbpf bpftool: add _bpftool and profiler.skel.h to .gitignore tools/bpf/bpftool/.gitignore | 2 ++ tools/bpf/bpftool/Makefile | 20 +++++++++++++------ tools/bpf/bpftool/prog.c | 1 + tools/build/feature/Makefile | 9 ++++++++- .../build/feature/test-clang-bpf-global-var.c | 4 ++++ 5 files changed, 29 insertions(+), 7 deletions(-) create mode 100644 tools/build/feature/test-clang-bpf-global-var.c --- 2.17.1