From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B96BE4401 for ; Fri, 26 Aug 2022 16:45:43 +0000 (UTC) Received: by mail-pg1-f201.google.com with SMTP id z22-20020a630a56000000b0041b98176de9so1083519pgk.15 for ; Fri, 26 Aug 2022 09:45:43 -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=LEHDHxAnksEJke5uXEgC/4fvlBz/SQBsppkh6XDSNgM=; b=VOV3ZeQLK7insFX0lmDaq/k7r0x4+Jx+0drlOcZW9Pv6LP/mYzLvuK0V5gHu4IDPNg 7ScpP6ajmkx53bfkRHgW9E2eOmJonRICOVsrLq7phuLXrvQsXxvCn+Puthlbd0RbbYnS zpuYddmMpBGNF/36MnFOzr/XVqqv0mqIiQ7DrweQEyg705qhnfMhxDoIXe+y9LqU/2TH ypL7V8lMnlmDV6NGRaelq3C61ouifEjuRGuLYlI9pRk2DoqvtywHxYi0GRIO6RNQBOJ4 vskiabGPN8iVem8p4lLLKFvfz7Za7a3SyeSXLmXq254dQDpKjmOfkLTri5SUDF4IUI7M j56Q== 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=LEHDHxAnksEJke5uXEgC/4fvlBz/SQBsppkh6XDSNgM=; b=P2MoKDY8evYPtWfJAFXE1QSyQzoWPj661od4PvV+ieE/QZ+waJm7sVrQGJj/OFi5ho vL9Fjs9O9rmJcdzU6faHQ3+JzTC1nmQ8ijPlH2c4CGBIFkDKFdz+EuFkrvFqt2TxUvjY PBoEwBDrou9XQ6qE3hI96U8ovLWF1uWS31y5cmCgp00WNOVhZZ1nYEbddXrU6FedTedv 1YNqWGmi6MR6nVeBoCI+otfArf0rK80RjZ/5ZC8rksKpOfaPAP0hY9AnVmDUZE0usRN5 yrOwXUcKaUoOVWG9GLHr2iu0pDDFOhp2VGNf6ERcuk0s4YLQIsYDCdMDBr9DdGg0nvPB RbCw== X-Gm-Message-State: ACgBeo0QRCyx7izv70yPSybfWZPKyR4uIHGrFP09Of4CDathWT2lt8X/ 73A1adKEwdEPCt9XIc5UbausabeJ7xDQ X-Google-Smtp-Source: AA6agR7L6xHhqF8ShRu0uc83vM8zveOXqQ0A0Wg+4L4tk7yuhmGODVT7+yJjTn80JIeNUZ0kDT90cFuI9sjc X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:ccb1:c46b:7044:2508]) (user=irogers job=sendgmr) by 2002:a17:90a:bf01:b0:1fb:c6c4:7dfd with SMTP id c1-20020a17090abf0100b001fbc6c47dfdmr5118986pjs.134.1661532343199; Fri, 26 Aug 2022 09:45:43 -0700 (PDT) Date: Fri, 26 Aug 2022 09:42:42 -0700 In-Reply-To: <20220826164242.43412-1-irogers@google.com> Message-Id: <20220826164242.43412-19-irogers@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20220826164242.43412-1-irogers@google.com> X-Mailer: git-send-email 2.37.2.672.g94769d06f0-goog Subject: [PATCH v4 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=20Almeida?=" , 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=20Li=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 Content-Type: text/plain; charset="UTF-8" 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 c41a090c0652..72dadafdbad9 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) -- 2.37.2.672.g94769d06f0-goog