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 AEDC42DC337; Mon, 15 Sep 2025 23:26:09 +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=1757978769; cv=none; b=TMhHQsc4IvZEIkavvZU7GWa6U1l0B3LHKYyKXGdoMypmKm+U7ZYbtZ435It/gRVpkYjk0M/A8w6y77ppU+UPjD1ELoZfbuy5/DYp6awHWqXchroRQO3pnxcyg6gmBod2cwNVmti85kieexOhfJ98RA132xD7kUpAjYXGbn+iaqQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757978769; c=relaxed/simple; bh=G2v3D4/5iR/LZHZvCBfhlozkUaTX+ywQSj46YnqYN9U=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=CcMmdH6vfr71Bt9MZqzsdgjodL0y5HEQAbuy0p64mZS7WFMsgaHYedim4GHDzHgo1l2YpSJKj/16zw2GxAPYYEAQi9UZuXjIhXkLNw6NrunLDyi0HUsNPq1nswP1+6SvQtY+YVMyJTlxNbzdAz7G6ZL/BS/n6LzHnaQZryHMTs8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sRo1X4Ar; 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="sRo1X4Ar" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C72F5C4CEFB; Mon, 15 Sep 2025 23:26:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757978769; bh=G2v3D4/5iR/LZHZvCBfhlozkUaTX+ywQSj46YnqYN9U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=sRo1X4Ar/g6xEfrYX3XtX3feuiLY+MCE9IdiL1Ak5X2twUfnUxckzq+7M5Sx8Aa+c 0dnD5dVG+rwl3Xmz1zRrCMLNOfGHG12OApcd7svJUbUyNtz1fAIUU4yKn9Lt4UhU/R XEUK0xO8qMqg/p7PwHbtqtaSqqgUcfa1V2I7Kn8OKxrKFK7JMdK++6D743Qz4mkodK UVdUVizVzaNg9U+csyygptdhqgV2lPkq6X+4zAdqIYvr6OOshuUQlVNRLCK6W7iE6o LXwYI8q3tRnaZBBWcwW6jZriOfXftWpp24LlVc9U40N6L9xECUmop1FxdtGUvD6Mvf 3zPTcIV91HKMA== From: Mark Brown Date: Tue, 16 Sep 2025 00:12:10 +0100 Subject: [PATCH v21 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: <20250916-clone3-shadow-stack-v21-5-910493527013@kernel.org> References: <20250916-clone3-shadow-stack-v21-0-910493527013@kernel.org> In-Reply-To: <20250916-clone3-shadow-stack-v21-0-910493527013@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-56183 X-Developer-Signature: v=1; a=openpgp-sha256; l=1170; i=broonie@kernel.org; h=from:subject:message-id; bh=G2v3D4/5iR/LZHZvCBfhlozkUaTX+ywQSj46YnqYN9U=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBoyKBp6SXuGAKv9GbsdG9OfcnquiffsOm9H/EqP Tgz+i0p4JSJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCaMigaQAKCRAk1otyXVSH 0Hk8B/9foc+l3TYGHwtcAqj72fQDiDDQ7IjXzhM2O73AjVy5ScIpQ08szxfCGkDFxfMoA/zbyTI H7aaCFUbxmYvRFC8azi5dxN6V47NMCbzfbMrSHBjdqEcDpQMJuEyo6DbGf6RJn4PEA+fLESj7OJ u1z2RPIiFyU6LT1nOdioME0Qmp1idVMUi1YXcCxCiGYziG9pOi2yi2vWur/2RV/zZPYWM3eqQb8 QmR6OQrcUa2lEZu4v3d4OFgbKmfAiXbhHfEG/4wdBOTCinGXB3ZOJA9RIUoejo8ZudCEr0OEJUZ jtGskLGG2jw2kJKDzLJACfK7CsJvPOSMYCRBi3rT42fIvgzQ 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 Tested-by: Rick Edgecombe 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); } -- 2.47.2