From nobody Mon Dec 8 11:10:23 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 38B722DC789; Mon, 6 Oct 2025 16:21:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759767716; cv=none; b=Z4fwImoEDm0dQUVzfHMxqGXKm4nuIig4yyGRGPjsM+tzKMV4gmqMNczuWkqOJWyuBXhkRwWahU52d9THia+DGYpT47SJzggMFJDRiVvcgHsqxhOeedmxITXMXZEIlbd6BeKRcspHQ3cnuIokdpNbZ4EbiGRBIVRm0+JDcUfkonU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759767716; c=relaxed/simple; bh=cmg2aP/OdJEbju4k0iOcFl8K9ZROTOnbUW84a1thBFk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ftBR0DTzLhY6LX+P8AYt2IEU6XCsD7MC3eM2KgSGPFe1/Hh/EACsOJ7KGGzVu3jzh37Y+GPCiKFA+Xa4aGIm0HfDkadHBL/GUlvm12KBWlPqJiIgEtp29/eUuciXGI8ryzoyq0zFB1mJ+ZDSGfJZ221Ly69M1lPnpDfDI3VsmI4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8C0951515; Mon, 6 Oct 2025 09:21:45 -0700 (PDT) Received: from e132581.arm.com (e132581.arm.com [10.1.196.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 02AA53F738; Mon, 6 Oct 2025 09:21:50 -0700 (PDT) From: Leo Yan Date: Mon, 06 Oct 2025 17:21:27 +0100 Subject: [PATCH v3 5/9] perf test coresight: Dismiss clang warning for memcpy thread Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251006-perf_build_android_ndk-v3-5-4305590795b2@arm.com> References: <20251006-perf_build_android_ndk-v3-0-4305590795b2@arm.com> In-Reply-To: <20251006-perf_build_android_ndk-v3-0-4305590795b2@arm.com> To: Arnaldo Carvalho de Melo , Namhyung Kim , Jiri Olsa , Ian Rogers , Adrian Hunter , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , James Clark Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, llvm@lists.linux.dev, linux-riscv@lists.infradead.org, Leo Yan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1759767696; l=1020; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=cmg2aP/OdJEbju4k0iOcFl8K9ZROTOnbUW84a1thBFk=; b=uHQMo7Q9IxLbGpqgA/8C9HLBkjOOSprcJgKLgZ0Rx/RpLjPxbpgqOxRJy38umCaRiVBKPyshL fVA3ZirxbPWD2sjpi1KrhEXlCKlB375nqcGzKzIXJ4ngH/ykqJcGEvh X-Developer-Key: i=leo.yan@arm.com; a=ed25519; pk=k4BaDbvkCXzBFA7Nw184KHGP5thju8lKqJYIrOWxDhI= clang-18.1.3 on Ubuntu 24.04.2 reports warning: memcpy_thread.c:30:1: warning: non-void function does not return a value = in all control paths [-Wreturn-type] 30 | } | ^ Dismiss the warning with returning NULL from the thread function. Signed-off-by: Leo Yan --- tools/perf/tests/shell/coresight/memcpy_thread/memcpy_thread.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/tests/shell/coresight/memcpy_thread/memcpy_thread.c= b/tools/perf/tests/shell/coresight/memcpy_thread/memcpy_thread.c index 5f886cd09e6b3a62b5690dade94f1f8cae3279d2..7e879217be30a86431989dbf1f3= 6d2134ef259cc 100644 --- a/tools/perf/tests/shell/coresight/memcpy_thread/memcpy_thread.c +++ b/tools/perf/tests/shell/coresight/memcpy_thread/memcpy_thread.c @@ -27,6 +27,8 @@ static void *thrfn(void *arg) } for (i =3D 0; i < len; i++) memcpy(dst, src, a->size * 1024); + + return NULL; } =20 static pthread_t new_thr(void *(*fn) (void *arg), void *arg) --=20 2.34.1