From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (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 13DE223D3 for ; Wed, 17 Aug 2022 05:39:52 +0000 (UTC) Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-3328a211611so87242117b3.5 for ; Tue, 16 Aug 2022 22:39:51 -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=qHxxMbzf5P1kENTIcu/skD1A7VW/ZSQMIDyzork9iPw=; b=gqVyKJEKg7FHYfUlvFZRQ4gywaDxqgOla/wYNSrRrpQPIOeQgd8otSDUR81rYz06Pz 86FwoEQRXDngYehTse62DCp3ULAG3zl2VVSHPUTcSch9dCd1GVJmHLNIuS9Ice2KYHSE /Ph6X2GyUQLtHLZp3hUMsFENjq6wAqo+qn5EpWgzZcCvi33yqo5FpUFubMhztDoufgY/ s/YaI0T2hL8w14sHHW7W+c6Mmk2yfQ/ibvJzRLrLjAkzecGwLWICJuoLQBTNOna3XZbI VnFy770xGVxdjDk9dXHvkb/ZqSHfM1yhNZARL1EQll7tFtso8gJjlI04p5hAKF0gFFP7 BTDQ== 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=qHxxMbzf5P1kENTIcu/skD1A7VW/ZSQMIDyzork9iPw=; b=aTTabKch/nEP7MbqsLsjE56lh9NcVP1gxpint8upGhUVXdZePgD36luC762Z/gVjvS fcbwHBl4QbOFQFnwUn7u7x7M9YNaPMIHTP99vkNF8GR8wrS4bOMvfGSt4bOzTOKL1zW2 IW4jgietzeuNjqnfLwIHNSS0z4cqilq7uA2BKevDlUtgaTVBg7DTav3sxHFG3mAiXtyx Eu5WutNWGad6aO9KiKME/e5OcBl0YZ7/3c9CleuRSsmsoEBbYRTux4U9Ew7dBCqOZjmc aMlDbLfGZ4NUMuLH8bBv5mvxje0FmVtdUzuIjnf8WdD0BHPRL9RmJR9nLqUGq6enRBfv A8xA== X-Gm-Message-State: ACgBeo0b575gp7KViEpGCJkdi20HeM5BarzbypJrHuwbSC1zC6/aR3ua bhkDzawVJCGuiLD9nzjkoJ2gm6TucHFH X-Google-Smtp-Source: AA6agR6oqIM30UMn/90m2gApF2R7Le2AepInoK1oGfNY9eAWaYg7N++h7MaUpqoBJDhq2iKEZ3Oi69J7zqh3 X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:3bec:858f:9a6d:63de]) (user=irogers job=sendgmr) by 2002:a25:ce92:0:b0:680:c480:4a8 with SMTP id x140-20020a25ce92000000b00680c48004a8mr19112893ybe.299.1660714791094; Tue, 16 Aug 2022 22:39:51 -0700 (PDT) Date: Tue, 16 Aug 2022 22:39:30 -0700 In-Reply-To: <20220817053930.769840-1-irogers@google.com> Message-Id: <20220817053930.769840-7-irogers@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20220817053930.769840-1-irogers@google.com> X-Mailer: git-send-email 2.37.1.595.g718a3a8f04-goog Subject: [PATCH v1 6/6] 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 , Athira Rajeev , Weiguo Li , Pavithra Gurushankar , Thomas Richter , Ravi Bangoria , Dario Petrillo , Wenyu Liu , Hewenliang , yaowenbin , Dave Marchevsky , Andrii Nakryiko , Alexandre Truong , Kim Phillips , Leo Yan , Quentin Monnet , William Cohen , Andres Freund , Song Liu , Adrian Hunter , "=?UTF-8?q?Martin=20Li=C5=A1ka?=" , Colin Ian King , James Clark , Fangrui Song , Stephane Eranian , Kajol Jain , Andi Kleen , Alexey Bayduraev , Riccardo Mancini , Masami Hiramatsu , Christophe JAILLET , Zechuan Chen , Jason Wang , Lexi Shao , Remi Bernon , linux-kernel@vger.kernel.org, linux-perf-users@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 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) -- 2.37.1.595.g718a3a8f04-goog