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 E8F2832BF4B; Wed, 15 Oct 2025 12:58:54 +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=1760533135; cv=none; b=nke0uoB5IxpIdpllQTTAEd0qfLfnNsu/kbCrzmzJ1YFUnO5lIhVYnce6FopLB+EyN2PUEkoSFzXKJwSyd9wDhXX1BLETI7t85Bxd5NojKUDJblTt5bj0m36lqvcN5+e/HaqsC+dQ3pI8M3qhtkle6MYGgYmiqtGhngRbokimSQQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760533135; 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=a6iJlVC9z7OJk4/RVqR5gk4yelc2uak1/Ku9Kz01qU369LO+lGSAQLUJMqKLLhLbIwVnUkq5gUlvIyU1TI5/Ae5G0RfrlhqoRCMfdGwXuq5zS/LYO9IP/cwvPt7DdBjcjmFZfWCYOLMfD+hRfIBV0R+mlN3bge/n3nVxaeohGPQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YxDj0rjl; 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="YxDj0rjl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2016DC116C6; Wed, 15 Oct 2025 12:58:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760533134; bh=G2v3D4/5iR/LZHZvCBfhlozkUaTX+ywQSj46YnqYN9U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=YxDj0rjl1UoL3QvB9IYy9Ti+/H5KZrjQG88q/ud5ejEOdDmqABZLQYbwp0IZcmSmS Rgd8siyqxhlITnku6e1mg4zkKk76VjocJCE7Giiuw4c1YwUGWS6yex5f3zMGF2ff+i 14o4O5i8gAjksBuF4lYkFcS9vdxKGqEFMbdYCLA2D9SoftxRQB88UXm6GZGwQta/c4 hh/jn3bDgaxOHD5FPyIFX4UuK/0F+dVP9uP6D7ontfAXyhleKTcG+iJBHeq131l+IM 5XwyvzxPR06amSvKdImHzhvzky96O0L3gpr87qGB/I4IdKE5jJztksgbf/YcpG2m/v PSDaoG0zJJ4TA== From: Mark Brown Date: Wed, 15 Oct 2025 13:49:09 +0100 Subject: [PATCH v22 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: <20251015-clone3-shadow-stack-v22-5-a8c8da011427@kernel.org> References: <20251015-clone3-shadow-stack-v22-0-a8c8da011427@kernel.org> In-Reply-To: <20251015-clone3-shadow-stack-v22-0-a8c8da011427@kernel.org> To: "Rick P. Edgecombe" , Deepak Gupta , "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 , "H.J. Lu" , Adhemerval Zanella Netto , Wilco Dijkstra , CarlosO'Donell , Florian Weimer , Rich Felker , linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org, Mark Brown , Kees Cook , Kees Cook , Shuah Khan X-Mailer: b4 0.15-dev-96507 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/pANAwAKASTWi3JdVIfQAcsmYgBo75pi+bwCAjbL4SOEMAN8349es/xLtk6I71kCb giyMPVZWauJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCaO+aYgAKCRAk1otyXVSH 0LC7B/9nIx54HlDHNp1nRJ5UhPSuJEQlD7fsJzgs/SiZHKUCElX8sk+hlRBR0vrhPE/QvIk8PVM vXoY11V7qjvlrt9kIqZUH3KG+0DqcQcaCK+eIsRZFr304x3oWYeUoYHPosmgOSXKEqexC26mpOR +qt5DZ9vdyvm/RTXZ1eaqfdJJDryVUVF1UJ78GJuFngbjDHTH4QbOP17M/1/4Fr47l4BNXCY5vy VkzPDQZcCdYaWS/f54g71qWcICi0ocgDFYDMjXfhdLicuQSOZbn6hQMpIRxB5r6hJOsPg6eQ/IC 8brEdwr3Orwv/FbkVHGRE1fKpmcEgfCKfvEMoKZTa3QKjrWl 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