From mboxrd@z Thu Jan 1 00:00:00 1970 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 D96E3265CB3; Wed, 2 Jul 2025 10:56:22 +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=1751453783; cv=none; b=Ti22nFFz2zbF/PpsR+CksS0CxIzRujlRhIJZKTQeS08wb1JRPBQ9WkG0RQ+XCKUTg5itFIxnAVqHM8mBlAfMel+0i+mJzLzusj7thURWWkZeI1cf9AXTh4nSRDanG41D9KLfcSgToJl4K9KgiWNqrnEbfu77qkUMCQXB+/mdn2M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751453783; c=relaxed/simple; bh=/AYgqTLwHHsTkCX7TTH1Na+bth+vthYvgf8svHl0eTc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=eeFMEuuywFx2jtsOkDp3zAUBI62sM9m4Wcm7tXJGUcbAHod/j93ZpQ2ZlweFR2HbCJo9VrmDbKAINAgho+hl0hxZfRUjkFT/FeguhO3ObdP2F596dBEoLxj+PCrSiNh82CeN9niO3ZVJBpCkj36xxR1u9GVmf4H4qaaiMPG295Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k+QIY1/P; 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="k+QIY1/P" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44402C4CEF1; Wed, 2 Jul 2025 10:56:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751453782; bh=/AYgqTLwHHsTkCX7TTH1Na+bth+vthYvgf8svHl0eTc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=k+QIY1/PmOuIzJf22UR/m1hMRnPRdjJJDNoDKMzFA6bEDAwmF8Fx/RCdh0eXYHyqU htxnUIfX4qPk0MS7Lh31SoAhDUnPboehUeBCInqRz1Q/xuT5xnpx2REXN2OL8jb9d0 j9rWOKxP33lnph4eElUMpp6HwTl21nQIi3rOshDowK3K1jYktVPw5XboPLdzljfdBr IiQ4FpRVBqVZjYHyiPLL9f3DbydF2fIzcICozhhj/1Du1Sw0+qpjsqOE6o6POUI4/s Yh6nLts+xsfYCkECxT2peyaAqIrT/4dGsLoXqjdeFI2S6pUaSIsPuLX/7WAHy9hzOf OPo0cnkVlmThg== From: Mark Brown Date: Wed, 02 Jul 2025 11:39:10 +0100 Subject: [PATCH v18 5/8] selftests/clone3: Remove redundant flushes of output streams Precedence: bulk X-Mailing-List: linux-api@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250702-clone3-shadow-stack-v18-5-7965d2b694db@kernel.org> References: <20250702-clone3-shadow-stack-v18-0-7965d2b694db@kernel.org> In-Reply-To: <20250702-clone3-shadow-stack-v18-0-7965d2b694db@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 , Valentin Schneider , Christian Brauner , Shuah Khan Cc: linux-kernel@vger.kernel.org, Catalin Marinas , Will Deacon , jannh@google.com, bsegall@google.com, Andrew Morton , Yury Khrustalev , Wilco Dijkstra , linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org, Mark Brown , Kees Cook , Kees Cook , Shuah Khan X-Mailer: b4 0.15-dev-cff91 X-Developer-Signature: v=1; a=openpgp-sha256; l=1114; i=broonie@kernel.org; h=from:subject:message-id; bh=/AYgqTLwHHsTkCX7TTH1Na+bth+vthYvgf8svHl0eTc=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBoZRAupon91RsPZowtgXu9s2bFoT3LTFEhtV2bO clBr336xJqJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCaGUQLgAKCRAk1otyXVSH 0FxDCACC2mHvVWChuFI4lRlLaM6J147V8efbNcnYi8y6OQhLvtcNt0OjuAYnPiXUmQh3A3/lF1q 2DIffy7Hwvi8++739hvFlgtP7rBLrogYv+y37xDYtiURDKRN1bWPJUnHmgfiz487MFze63W8U7h MkVXvlN9U7iQHCupb80aonCZ8xh8PhWnD15CJlsMMQ5k4PGKn9mjUaS/IZlDulP2CTrYk9tN8Ph L/Th2avuehYySqLbPqiyHmQQo1BWm53WwosJJuUFMCWoFBTcKzNuEBB6VVR/+VXV5ysiKeBRkW2 6t/N3WPuobpLjYx4WyQlL9MnspQ1dq4pNTY89KL6RSLjuPgt 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. Reviewed-by: Kees Cook Tested-by: Kees Cook Acked-by: Shuah Khan Reviewed-by: Catalin Marinas 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 eeca8005723f..939b26c86d42 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); } -- 2.39.5