From patchwork Sun Jun 23 11:23:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 806938 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 EA3F2135A6C; Sun, 23 Jun 2024 11:26:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719141994; cv=none; b=GnJGlkErEC/BiNrJxGh3bxn/cTN7ZMOFMcfVo5VxAI76xuOD2dn4004X+lbDNWwYUgyeArgInJ7L/1mswRtfM2QZOUVaIWW32nuc1ltn9RqodokMgjyqE+E1tsHawc8cW6BhDmfpX2IO+UuliXkftVVAQtHpCfcKZongjosWYgA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719141994; c=relaxed/simple; bh=A6PuiVWBdiPH6Nr/YX1UnFJ8RTIAC1FidWNruHY9Zks=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gtfbsfsYMMs/w9ssXq2+7hR0BxDVgaYr9Yj1/KwUXNipp95gBnvk/dbECwx2sA2uKWAW5gqIymTAl2tRSX2B8hqehD3z9tKi/G8bQkHmmT8YV8xQyBdjbAZXD/5plkqyz/6k79AAgJhLcW3qp5fADSn2HLoEk8dP+juSbaLvRBY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NGjsBkwI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NGjsBkwI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 111FFC4AF0F; Sun, 23 Jun 2024 11:26:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719141993; bh=A6PuiVWBdiPH6Nr/YX1UnFJ8RTIAC1FidWNruHY9Zks=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=NGjsBkwIcvBhTSmRb8zXzzpwfmks29t54lBO5zwqYR1uD1dmFeWtH7zjyDEOrh9YH j7MXeL0EDzzImO9A5giZ7ir7bgBhYz/REwLGTQZnUErCZVDy4/OOXFfEzpZAiEcW5s bNWRjw1QnmsxHJoCuiJoi9Z+bG4w1ofUPfdHjGutNcYbFy6MOiMHbLK9bZi9bqJo8j vf8Ii4mM7cz3TDWQUchS1vAgw/o7ogMqAqVxRiIUPxHhmhthOZowMftFEgO+5TK2WS 83tlqrfZec2Y91oSzLlEkUdqG6C6DxPiGhFUvNeqkZoeDdU5F/b0ce5ybNI3SK8Ga6 IPwuX+c/J2ZPA== From: Mark Brown Date: Sun, 23 Jun 2024 12:23:47 +0100 Subject: [PATCH RFT v6 5/9] selftests/clone3: Remove redundant flushes of output streams Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240623-clone3-shadow-stack-v6-5-9ee7783b1fb9@kernel.org> References: <20240623-clone3-shadow-stack-v6-0-9ee7783b1fb9@kernel.org> In-Reply-To: <20240623-clone3-shadow-stack-v6-0-9ee7783b1fb9@kernel.org> To: "Rick P. Edgecombe" , Deepak Gupta , Szabolcs Nagy , "H.J. Lu" , Florian Weimer , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Christian Brauner , Shuah Khan Cc: linux-kernel@vger.kernel.org, Catalin Marinas , Will Deacon , jannh@google.com, bsegall@google.com, linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org, Mark Brown , Kees Cook X-Mailer: b4 0.14-dev-d4707 X-Developer-Signature: v=1; a=openpgp-sha256; l=926; i=broonie@kernel.org; h=from:subject:message-id; bh=A6PuiVWBdiPH6Nr/YX1UnFJ8RTIAC1FidWNruHY9Zks=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBmeAZBbxtMxkm5nJrZt3r3WGuB46BeS32RoItol67u OvGTisWJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZngGQQAKCRAk1otyXVSH0CD1B/ 49gxwS5b9BoCUU9Ib5yucTVOuhEDooM9ckUWmw898AfP1G2Nk2J6S0JfBhDmGDxWtDoRrmsKL+BW+7 xxkqLzgDdXb1xmM9yLrI10e0bOQ2SSy531HlsT8D0d2CFKaqoLZqtqyadFcfJAl4qi3nkg5UNNv70H J+Zy822syXvd3awup2/HiXlTcvL6YI6d2yxq40QiT9Q8TvnubKZryi4TDE0SYF5rK/5/xFAw1XKoQG NGclsCd2NQ1mgoadOYmgbUlm+u0v2Te0u6kNDrEEmvIykb/wBaNmf65CVVEy7KZoVXrYmijkwOZxVs R5jWH64jz9VtFMxcyycLzV4pICbFiT X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Since there were widespread issues with output not being flushed the kselftest framework was modified to explicitly set the output streams unbuffered in commit 58e2847ad2e6 ("selftests: line buffer test program's stdout") so there is no need to explicitly flush in the clone3 tests. Signed-off-by: Mark Brown --- tools/testing/selftests/clone3/clone3_selftests.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/clone3/clone3_selftests.h b/tools/testing/selftests/clone3/clone3_selftests.h index 3d2663fe50ba..39b5dcba663c 100644 --- a/tools/testing/selftests/clone3/clone3_selftests.h +++ b/tools/testing/selftests/clone3/clone3_selftests.h @@ -35,8 +35,6 @@ struct __clone_args { static pid_t sys_clone3(struct __clone_args *args, size_t size) { - fflush(stdout); - fflush(stderr); return syscall(__NR_clone3, args, size); }