From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 08AB840DFC8; Fri, 2 Oct 2026 10:21:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790936517; cv=none; b=ISrmmerItkFmV1UKWcrVUbiFt+Kkbe+bANPLzF3WkAJSGBM0fnsy+nBFqs+18fYsOPeyRYmdRSBxJWTil+D2HvR3INalbN9di7WXl0xDW9JTqLv+Qy/UFMz95R4hgtg5yUb48GiuW7oF8pECe29eCWoLbv0BN7Ta0JXLyCF9TwI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790936517; c=relaxed/simple; bh=Dgh3sRdHf2PcYrdOL/7o0iCt97LnQ5tUH1RA4taB/Vw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fL8gyl5584caMAZ7GFUQEs7tchupbxyU+UnXYjQ2P3fkDW3yaUn+LQz1FZxSgm0hQS1X0Er3KWRwIONbPyvSpl2FsNf/WFWypEKcA0TYS/q0dBdoWS6q8D8NGA67O36xxYz+A88sLjgmQYa3DsWrUM2dVd1mnfhcRcaoYKFZO/4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hxoFYLlp; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hxoFYLlp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14F371F00893; Fri, 2 Oct 2026 10:21:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790936515; bh=OBKP8NmwUjXwEyDc9gSaOA3RTicUkdI0rDQMOs+pZHk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=hxoFYLlpNOR6LuS+a5zUeStWdqYng5oS2ZI8TqGnutpCBFQ7dEn3wAOAP8LZgZIKa TW0l3N9RMXiD1aIRWH/cNEZG/hVNCPfWJUxP46ZOoX5jy6cei1ZAxYxk6/jDCTeuER wg/TztGuptSBB9iMEYQqx//OCtwFJaKELqH2dg3U+yDvR8B20mGvkaXBmM6P+1QeKe gWs86mZV1N3wrCnyfLEAjrZm6hmBy316sdV9ewuhnubHpn1YtS2fFXMzvJoUj1ry4q N3cGWSTms0uYl2gWW+qkuKXEJ9J6kudXjIX1R1XURL4Z32q/ABlImj3qJxzu4LI80H YT1cLWnEqHxwA== From: Arnaldo Carvalho de Melo To: Namhyung Kim Cc: Ingo Molnar , Thomas Gleixner , James Clark , Jiri Olsa , Ian Rogers , Adrian Hunter , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo Subject: [PATCH v8 3/9] perf mutex: Add DEFINE_MUTEX() static initializer Date: Fri, 2 Oct 2026 12:21:04 +0200 Message-ID: <20261002102110.27587-4-acme@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20261002102110.27587-1-acme@kernel.org> References: <20261002102110.27587-1-acme@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Arnaldo Carvalho de Melo For file scope mutexes, so that they don't need a constructor function to initialize them at startup, mirroring PTHREAD_MUTEX_INITIALIZER while keeping the clang -Wthread-safety annotations of struct mutex. Assisted-by: LLM Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/mutex.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/util/mutex.h b/tools/perf/util/mutex.h index 70232d8d094f8bfc..b85a80ad60386aed 100644 --- a/tools/perf/util/mutex.h +++ b/tools/perf/util/mutex.h @@ -92,6 +92,9 @@ struct LOCKABLE mutex { pthread_mutex_t lock; }; +/* Statically initialized mutex, for the file scope ones. */ +#define DEFINE_MUTEX(name) struct mutex name = { .lock = PTHREAD_MUTEX_INITIALIZER } + /* A wrapper around the condition variable implementation. */ struct cond { pthread_cond_t cond; -- 2.55.0