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 6A29127AC32; Tue, 19 Aug 2025 16:27:44 +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=1755620864; cv=none; b=QSW+8lksp4YLEVoXdJzp2rhsPjWrBDbAC0UiI/IbKAFi3eI3n9L08EWwiySX8YuW7PIWDDQmd0Fg51L8G3B1K0u5MEgBTh0scFl5ddlumHB/fs0jPsfok55iNNUoVG+1apiRNbokPIAiJJS/0Y3GfnD8xXSZ0aSZkrd4I5vlskk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755620864; c=relaxed/simple; bh=E5jTrDbxtCpIeDLiMUwge4Mqphic3I5ve2LQ4cJCm7o=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OG8to3NZ4MaS8WlJNgzvfI/HsD/RYWfDiSiLZfuVyM4vJRug5SDT4iayknufC8MghvVdhLoJ61xIEzMFFrwbkSFc7G6c3NMjBGSNpSVbCSBd6wYdp3LhB8OXBJCJs6xlUUpAEYhnjLbAavVl3hWRzkjxWp3bGcfpXP/XnagIVLo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KS++6vJd; 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="KS++6vJd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF34CC4CEF1; Tue, 19 Aug 2025 16:27:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755620864; bh=E5jTrDbxtCpIeDLiMUwge4Mqphic3I5ve2LQ4cJCm7o=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=KS++6vJdhA02yEzbb0qk9D8K14YkIzxiwIyt0M1N6hXDs8Bc16T6lWkN8I5u5o82z 4+vMSpmueGiiebZsh5OpE45M57b/nKqdO6kOKjJPwKrskzDOO2gudXLyx7B030bgwn 4ddcT9xyNvjhDELohwns6pFQwhV/E2rC8DxGkiw6TTc5Tg9qweSyHKyXLqp0ZXcgop Zsei1Ca0AKyskEOyMJBRWm18ULVxQQlkiKjyhteRhpY+LJ4Dpvxvla3LLpBEEYKak9 CjSM36xXbKDo5P5/hkY7nPYUGshrfLenTNyRxajXpG/Ky7Zsr7pFVJoMhhCcKbOPGR 1iiSW+HT5gbog== From: Mark Brown Date: Tue, 19 Aug 2025 17:21:51 +0100 Subject: [PATCH v19 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: <20250819-clone3-shadow-stack-v19-5-bc957075479b@kernel.org> References: <20250819-clone3-shadow-stack-v19-0-bc957075479b@kernel.org> In-Reply-To: <20250819-clone3-shadow-stack-v19-0-bc957075479b@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=1170; i=broonie@kernel.org; h=from:subject:message-id; bh=E5jTrDbxtCpIeDLiMUwge4Mqphic3I5ve2LQ4cJCm7o=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBopKXSx20XuLhIePiF8ibu/ryFRcdQSedJ/vEaJ 1c7WVKs80+JATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCaKSl0gAKCRAk1otyXVSH 0PRTB/9tD6cOeMNKk5lyZVv7/lLxOBFVoeYnGGizqdEV+J58ggFgrYlRBOE5EaBiNCLh/nTbUaP HCxLGVAn/02v69fcbQXiwkhJllHc3stS4q5cLePgtwnSJFv01HKWNSr4Bv0euH2hr0/uSK8/wKC q31xj02i+fwJ9zF2hHyHUBwcJAduuW42xj0cu1bMi/cqjMnLIkfavdJSHGbIRdPuoTD/fl1Yb0s CcjPKFydm+iQT1iEXm6zk8sMLBxlcx3YB4mNm4fY5bSdIITy1F5l1/V8oOlHW/ecPh0Nyd83xu2 vV/GXxSVAp7AXb2hUrkisQDgDWMRYxWnBs92hJ4ykmKkK7tG 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); } -- 2.39.5