From patchwork Tue Aug 23 22:09:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 12952656 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5BECCC32789 for ; Tue, 23 Aug 2022 22:13:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232419AbiHWWNY (ORCPT ); Tue, 23 Aug 2022 18:13:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232311AbiHWWMo (ORCPT ); Tue, 23 Aug 2022 18:12:44 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FBED7D1E3 for ; Tue, 23 Aug 2022 15:11:26 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-334d894afd8so261992967b3.19 for ; Tue, 23 Aug 2022 15:11:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc; bh=vpCoIyKRZsG9sSnwmRTlOTB6YRSjIw+Qbk8jvYcuaVE=; b=XvSozB/DWuMKSbNHJ9l9xde2KRhs2B7hPE+zZEBJfJd7Fr6E4lDsopXJvIdm2+oO9j jr31g9cAChKqFWsNNLIHJdF30A0bR3Cv2hneJzi8ReQowFjtktbkfhgyuILUR7cXFQvA PjhFeFqrLVQ6dfX4gTRChIm+bE3ZoENvEXXD1WXoSW40LGANh/e2+thBWHo9naOHrsJq PyBkagsL2dz4ZfnZRB88Ff4UDmD7DseC9LNSz8vpLyrAH8a45cAWOGDS4JmAcqncLx9g k6mivrsUv+Wz/1aLhsPxsuwDEOf0RevYE/lwTzq/W/n8zvM1Bbnbo1lXkXaDP2Gg24/M AFMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:x-gm-message-state:from:to:cc; bh=vpCoIyKRZsG9sSnwmRTlOTB6YRSjIw+Qbk8jvYcuaVE=; b=pTA/94CBL8yrQXR+uCrxT786KDKWM6GK6I55bCCxxZLFOlFOaRnzArlzI83mUiAx2s bQop/BWzMEEZK/lcPVW9/ETSg1en1HKoYWvPBkTekdUmap0/tmHAGw/PoulUMHBkguyI JJvRGdYQ7YpvbwY2V8Oh+LKtjg123XKEzciAZS5pwaVi4f6/MQek7jFECruFUyxupNwg VaK7w2yhjU5DnfKrylCEcgm0Xb8O7i3ftIUV/DR6ep59aafe1Qg8QfKG+36zafmvBtHe f0uWsNXPPckW12iYYVmFzkxU67auEu9Vh1P/ZYaJcGYQqKJLlJVl5XmkOULkV6vXiQkl +uqQ== X-Gm-Message-State: ACgBeo1YotQu8sdsFH7/Eh9ei5vlUpjIfM5wOmrOai4TGnOLMEVyzV9f Q3AxK3mezbMPXpAY3OpnNNczy5dYNioX X-Google-Smtp-Source: AA6agR6f5ty3lYMH2Y4qqlqwT9nA65Tc33n67UyVYg+Dgbepp9Cr8MCejsQA/hDfvv7R/YglXQcwvFGYYPpa X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:7dbd:c08f:de81:c2a3]) (user=irogers job=sendgmr) by 2002:a25:cf4b:0:b0:68e:fea1:9fdc with SMTP id f72-20020a25cf4b000000b0068efea19fdcmr26259610ybg.643.1661292684631; Tue, 23 Aug 2022 15:11:24 -0700 (PDT) Date: Tue, 23 Aug 2022 15:09:22 -0700 In-Reply-To: <20220823220922.256001-1-irogers@google.com> Message-Id: <20220823220922.256001-19-irogers@google.com> Mime-Version: 1.0 References: <20220823220922.256001-1-irogers@google.com> X-Mailer: git-send-email 2.37.2.609.g9ff673ca1a-goog Subject: [PATCH v2 18/18] perf build: Enable -Wthread-safety with clang From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Thomas Gleixner , Darren Hart , Davidlohr Bueso , " =?utf-8?q?Andr=C3=A9_Almeida?= " , Nathan Chancellor , Nick Desaulniers , Tom Rix , Weiguo Li , Athira Rajeev , Thomas Richter , Ravi Bangoria , Dario Petrillo , Hewenliang , yaowenbin , Wenyu Liu , Song Liu , Andrii Nakryiko , Dave Marchevsky , Leo Yan , Kim Phillips , Pavithra Gurushankar , Alexandre Truong , Quentin Monnet , William Cohen , Andres Freund , Adrian Hunter , " =?utf-8?q?Martin_Li=C5=A1ka?= " , Colin Ian King , James Clark , Fangrui Song , Stephane Eranian , Kajol Jain , Alexey Bayduraev , Riccardo Mancini , Andi Kleen , Masami Hiramatsu , Zechuan Chen , Jason Wang , Christophe JAILLET , Remi Bernon , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, bpf@vger.kernel.org, llvm@lists.linux.dev Cc: Ian Rogers Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org If building with clang then enable -Wthread-safety warnings. Signed-off-by: Ian Rogers --- tools/perf/Makefile.config | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 0661a1cf9855..0ef6f572485d 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -19,6 +19,11 @@ detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected) CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) +# Enabled Wthread-safety analysis for clang builds. +ifeq ($(CC_NO_CLANG), 0) + CFLAGS += -Wthread-safety +endif + include $(srctree)/tools/scripts/Makefile.arch $(call detected_var,SRCARCH)