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 657E13C9EF1; Thu, 1 Oct 2026 18:54:20 +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=1790880861; cv=none; b=BkAV/5JJhUCLfx0Sg6XhDa+FKfj+0/jfU8KNfafDbYrX/xHr+48avYeoDB2mEB0GiT1kG+Ey4Z4lOMpRxUubfARRHOnicbDD3YThvAIjtCFjrl5o1Hi9NxUPlLy5E3+VUGO9Z5R+0IVNTsCe98rwLdlAYo9YJjlk01QOJ+k8nCE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790880861; c=relaxed/simple; bh=Dgh3sRdHf2PcYrdOL/7o0iCt97LnQ5tUH1RA4taB/Vw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Xu1GLlx7Nma05oBgmHaWb2qnnNY1dbJVqigheUeZEKCVoP+A1DXW1ZzPAvZArfjHBIXuNa8D3EnG1IyTZKjuFZ/IZs9vJUgsE/np6MNIPGNMyVBer31FjVQ6iNA45HVbu8Zyi3qsFuWHAr0MdIOFNZjTfyvXU1Ytb2/CColf6DU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nDXsf9k3; 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="nDXsf9k3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CDB441F00898; Thu, 1 Oct 2026 18:54:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790880860; bh=OBKP8NmwUjXwEyDc9gSaOA3RTicUkdI0rDQMOs+pZHk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=nDXsf9k3Vb/UDgiYk8XjDWOKjrs664nF1qZjfELF8fHAJcTec9ryjbK3nQ84WivKC S2kAKK/vIJGvUhPOzLeIxpNjr2hbHOLGoB+gOMPT13uhEFD5k6eT+yNcS8G6bQc36g bn2QULgObHVemk04JfyGC8zpm69UK883ZyV1CP+Q8Vlv1e8380GFoEE2qnlRcIGEQ0 xPitanH6yimmnhidBXzTly3Brxl1V13v9aoLBRU1HrjjhqR1lYHouk+A5Izb2oAEYc 8jBA2e2LTi4DDO//kH5rqdsuNiF0NFVub782N5H2saMfAaYU6k7PTKlXk/CbkrmVve h3JSjVX8UmSgA== 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 v7 3/9] perf mutex: Add DEFINE_MUTEX() static initializer Date: Thu, 1 Oct 2026 20:53:54 +0200 Message-ID: <20261001185400.2754753-4-acme@kernel.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20261001185400.2754753-1-acme@kernel.org> References: <20261001185400.2754753-1-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