From nobody Tue Apr 7 16:29:03 2026 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 5B34BECAAA3 for ; Fri, 26 Aug 2022 16:47:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344823AbiHZQr3 (ORCPT ); Fri, 26 Aug 2022 12:47:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343731AbiHZQqj (ORCPT ); Fri, 26 Aug 2022 12:46:39 -0400 Received: from mail-pl1-x64a.google.com (mail-pl1-x64a.google.com [IPv6:2607:f8b0:4864:20::64a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D04894505A for ; Fri, 26 Aug 2022 09:45:43 -0700 (PDT) Received: by mail-pl1-x64a.google.com with SMTP id i16-20020a170902c95000b00172c39b3fb0so1400715pla.22 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=C9pUkTdwscUAwsjdUrUCeuz5eLmFqtC/YG0w+VBObcZhpY2/UyYtOWDiY6MA/DQRh5 FYUC0NkzzKc8CoLzGltdM80PavAV1xqbR+/+4IP230OsYWbJVaIFGkG7pXR3f6TEzTAK SuMyxcwJZmadh2xhH8zYs4A066WQVQJzLbYSp0PjUXQbNrw8WShS06csEeLx7Z3E+Klm mX/icpagJSasOhev8wNiDcMN5dKqYaf9SCo4J6cJ3Vh7K9rFPWi64d/9RWWkfnTsEZoL gZ1/XcljEj+PRbQAarqtPoQL29QUkcUXL7WdV/SqEgDWqolK9w95lNE8xM0M0LKA9Opu T8AA== X-Gm-Message-State: ACgBeo1ZJTfNofHnEqjnPrdIeF00rJQrtJddgqemanKhMN8WmGPhcLw6 6OjVOGQYxBqrRnnLha5OdKrKbsDv47t0 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> 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable 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 =3D $(shell echo "$(1)=3D$($(1))" >> $(OUTP= UT).config-detected) CFLAGS :=3D $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS= )) HOSTCFLAGS :=3D $(filter-out -Wnested-externs,$(EXTRA_WARNINGS)) =20 +# Enabled Wthread-safety analysis for clang builds. +ifeq ($(CC_NO_CLANG), 0) + CFLAGS +=3D -Wthread-safety +endif + include $(srctree)/tools/scripts/Makefile.arch =20 $(call detected_var,SRCARCH) --=20 2.37.2.672.g94769d06f0-goog