From patchwork Tue Dec 3 18:43:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 13892812 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 90720205E14; Tue, 3 Dec 2024 18:44:26 +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=1733251466; cv=none; b=IkaeB3HYEaZCfN2wkfiARa0Pt/sfwchibeuuXeLXqtdCuyfdONkGQhHSuwoj0HRj1zoYypm62s0VNnsaH70Jb+lZinrVExZa1ocrkuXYuJ31YDq3HgfX/h+R+Hr+iXRbV4BDKWltNVZLY/vZcoK7t85YbBPvaILKkjX27Wh5oYU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733251466; c=relaxed/simple; bh=PnhVCE63r5J0w6Q+lF8rA/22EDQWPUEiFQtbWxOidH8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nD1vVTUYb9DtFXkcj9QzcIguo/ntKBUqXdjvd/wo6nsWuEFD5NGisCMG2Dd4lrmXjTvpT9bUPxcdKLEJMWXRpQ8F/prXUUaxUamCgWK/Pa9Ydc97yPmRDJzeOPhHvi4dM80X7YQp0lJVJnAs6h+OUmvQn59o9nqxAwWQ5P6eVo0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Hx3vjB/r; 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="Hx3vjB/r" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 69B8AC4CEDD; Tue, 3 Dec 2024 18:44:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733251466; bh=PnhVCE63r5J0w6Q+lF8rA/22EDQWPUEiFQtbWxOidH8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Hx3vjB/rCjDGEMZOJldMcskWOp3syVQh0qpixHcdYbZ7oTt05j7tJWPclX87BvBOi nQ3rjeF32i+yAZwDKCzQVm6ING3UrJLcR1himpKRTuN9lW4LDt7vjrd3tgyteX4qak M+gOxXCj2kl7n867m0j1SHMIOtz4sc+fXqu+xmvI3DwNkafEmSgw7TTWNUYkEj1FSV Ciq4HsW/OLQIWJ4Bv0iSoskAgwPaWqVgzenkaRefps57Efgnq5sUDrbV1zdbMX1qUQ sHObTc+DunIS5TcDRAsCemvTwyp+XFeWD3zM01Hrmv3MmDUc+zoUtOgtidoakcdbW/ FjcM6D6bAwK4Q== From: Mark Brown Date: Tue, 03 Dec 2024 18:43:39 +0000 Subject: [PATCH RFT v13 5/8] 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: <20241203-clone3-shadow-stack-v13-5-93b89a81a5ed@kernel.org> References: <20241203-clone3-shadow-stack-v13-0-93b89a81a5ed@kernel.org> In-Reply-To: <20241203-clone3-shadow-stack-v13-0-93b89a81a5ed@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, 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-9b746 X-Developer-Signature: v=1; a=openpgp-sha256; l=1170; i=broonie@kernel.org; h=from:subject:message-id; bh=PnhVCE63r5J0w6Q+lF8rA/22EDQWPUEiFQtbWxOidH8=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBnT1FiPGuGG9F8YqvPDKVh5qYqoyw05th4BGvH6a8z bsztwliJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZ09RYgAKCRAk1otyXVSH0BR9B/ 91Y4vEiFtJDrVZtxCfz/elE4eUMeO8Z3NjLy1acF17Kl7VcZaizZpoWSItRK6EeNambZMLoDkgHuvk betvtwkStk6yptW/hHSEbTkCTPh4L3ib0AIYywdgT57xDOLg7MRFWwyNO4BuYtC5Xc7G6bCHSwLlHm GSln1PsLcLbR732G2s6XZO02tYjzGRI0JJrwgZiXMK9zQfPtdSSLHaA7R9egPEKUUzfFqJDgZP9Lbs HnwInzbTtSwRhg5P8YAxu3QzJ0PyQ6aPTOpanGN6PYdqLJXln5RkGgMRlkvE+cYtIcmKWN5myCgf4z afTLrZI/VX77BpCWkXpjXRvYfTgZZh 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 3d2663fe50ba56f011629e4f2eb68a72bcceb087..39b5dcba663c30b9fc2542d9a0d2686105ce5761 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); }