From patchwork Thu Aug 8 08:15:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 818201 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 8CEFB1891C3; Thu, 8 Aug 2024 08:17:15 +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=1723105035; cv=none; b=FOyv8Y5xEllQK0rtil8b5B+JrmrSPtrnHGb3u9QyR7Taz/4sZh58tu+BHLD24dpyYHo2GENTLyM6gMsJHVTl6ugNvP0OhzidE2rSVguq3amvQPWJCY1UOjvdA2Z+SKKslAFGTaKAt9WMEMrdW8BxTQN5JjxfUsNM6ycBShTc+/0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723105035; c=relaxed/simple; bh=A6PuiVWBdiPH6Nr/YX1UnFJ8RTIAC1FidWNruHY9Zks=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=WFs/Ty/8xGTpWNQ/IzpBYmhvtEJhQl0spiAo2K2rtgiTw3XDAdeBrVo7xgTeR63El+dQNm5L0xAFOQokQ78z60iYNizxaDksVJX1RfWrvWYeHNFltSh/+6Fcj7TsfT7CUsNHUu+/PdEG/vastjUkxjOtAmCC51PkP5RIvk1fVXw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=g6aLwdSg; 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="g6aLwdSg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 412F2C32782; Thu, 8 Aug 2024 08:17:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723105035; bh=A6PuiVWBdiPH6Nr/YX1UnFJ8RTIAC1FidWNruHY9Zks=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=g6aLwdSgMq9nygmMRtLkLbcnDuvauEA1hOSKKL2QfcWenhlsujD/D60GLLRGwVMAh v+KHn8t45fjM3aV5iB9Gviyz7vbweT1/6mubzj8+Exny+FYyd07j1QhT6HGIRIo/00 aU5Or1u7Ln4IFCivJy1zkUVlwpdc2wyPNExuAwPWPViFX90gPj5gvJIaTItoRm9fI6 zGmvkg2nlQOhDn+89sMLKuMz3vS02sm5ntrjMl6sUJiOkpKLQ0YAqqR/YxiBlCpiXp YtkDv1x6d7xgSoA/Zv90+Sr9wAMC9rS0BP2SKvayiJMusLyxvTyOAUs/h/rmLUB9vH FS8OazxB+YnaQ== From: Mark Brown Date: Thu, 08 Aug 2024 09:15:26 +0100 Subject: [PATCH RFT v8 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: <20240808-clone3-shadow-stack-v8-5-0acf37caf14c@kernel.org> References: <20240808-clone3-shadow-stack-v8-0-0acf37caf14c@kernel.org> In-Reply-To: <20240808-clone3-shadow-stack-v8-0-0acf37caf14c@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, linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org, Mark Brown , Kees Cook X-Mailer: b4 0.15-dev-37811 X-Developer-Signature: v=1; a=openpgp-sha256; l=926; i=broonie@kernel.org; h=from:subject:message-id; bh=A6PuiVWBdiPH6Nr/YX1UnFJ8RTIAC1FidWNruHY9Zks=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBmtH7MofVvNn5TwW6oDgCIJDA/rG8resOEgJSiQ x3UDzkReHCJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZrR+zAAKCRAk1otyXVSH 0DhqB/4kV/FvNAFx8tENnuwi8D3w95LyZ5gT0ZMOM2b7QGftmaU3Irdyrvl9EhOk/rmarlkltIq bR6gKXqZjT7JQ0EQby3RNkAWqFU803QJFlmiwzGo7GOyoxDrRgMPJvcGAMtRcO19deAeUR5FO8W pf+9xNb7kCMdAvs4Wpm0ro7i5QMVtjN6dCc9K5weLAP2LSMAywZAxOaa0ldyO3Av+2WeFnGlU7U K8I1claSdCMXVqzjU3O3bx71634PF+q8HNzaRoh+Q+mHExxXvfWiT8Ea31EupbTKFk1Ewm8hHAW Ua2e94v9igAIe/61CP8qeIbEHozn6m0p0laUZIsHQNynanTH 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); }