From nobody Wed Oct 1 22:18:42 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CE44326B76D; Tue, 30 Sep 2025 16:55:25 +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=1759251327; cv=none; b=F8QShiUBjQgo+EStMKd5kKC3USaGJ0F7mht/Emik1Rigixd+OIfDK63lyAHrzc1XmkxfBnaa79XYX3KgWnHI/V2ZDmfEKXtAJH4NtSL+zAx8GpVwZYzKnGsA3IO0/abj12HdXcZ8Mlp3HeKV/w8e0KIb1hWllUnWuz9ZH+vFDtc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759251327; c=relaxed/simple; bh=cmg2aP/OdJEbju4k0iOcFl8K9ZROTOnbUW84a1thBFk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=kJRfIuGsMKpHe9XIyHsEc+Y7eNtRzszVwNxzNAJOtHAOk0SqzAavZYm6ETlM80wIQ4KR7NLNmFXF/s1YyFSppO/jqmLIW+MGOdqzsyvon9vmJ7Ud4wK9tW7GhpcLdiSWKf9V5515MevOfbVAn5Xt81ZSUJF5gk1QPlg0L5sKdN8= 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 68925106F; Tue, 30 Sep 2025 09:55:17 -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 EBC5D3F59E; Tue, 30 Sep 2025 09:55:22 -0700 (PDT) From: Leo Yan Date: Tue, 30 Sep 2025 17:54:52 +0100 Subject: [PATCH v2 4/8] 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: <20250930-perf_build_android_ndk-v2-4-2ea440b7ef01@arm.com> References: <20250930-perf_build_android_ndk-v2-0-2ea440b7ef01@arm.com> In-Reply-To: <20250930-perf_build_android_ndk-v2-0-2ea440b7ef01@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=1759251311; l=1020; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=cmg2aP/OdJEbju4k0iOcFl8K9ZROTOnbUW84a1thBFk=; b=NzpFUhV66bUX0M0Pm4Pz/PqkXq7i194l89hn5IBh5wwZxXbjFJrR5wji5ol2lgY1iOPzIKbUJ 7G7Jfxa7djGB4lRZv8rn38KcngiSvFQ6kkU5I/55nYuXDh5YsYtJVjU 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