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From: Mark Brown <broonie@kernel.org>
To: "Rick P. Edgecombe" <rick.p.edgecombe@intel.com>,
	 Deepak Gupta <debug@rivosinc.com>,
	Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
	 "H.J. Lu" <hjl.tools@gmail.com>,
	Florian Weimer <fweimer@redhat.com>,
	 Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,  Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	 x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	 Peter Zijlstra <peterz@infradead.org>,
	Juri Lelli <juri.lelli@redhat.com>,
	 Vincent Guittot <vincent.guittot@linaro.org>,
	 Dietmar Eggemann <dietmar.eggemann@arm.com>,
	 Steven Rostedt <rostedt@goodmis.org>,
	Ben Segall <bsegall@google.com>,  Mel Gorman <mgorman@suse.de>,
	Valentin Schneider <vschneid@redhat.com>,
	 Christian Brauner <brauner@kernel.org>,
	Shuah Khan <shuah@kernel.org>
Cc: linux-kernel@vger.kernel.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	 Will Deacon <will@kernel.org>,
	jannh@google.com, bsegall@google.com,
	 linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org,
	 Mark Brown <broonie@kernel.org>, Kees Cook <kees@kernel.org>
Subject: [PATCH RFT v8 5/9] selftests/clone3: Remove redundant flushes of output streams
Date: Thu, 08 Aug 2024 09:15:26 +0100	[thread overview]
Message-ID: <20240808-clone3-shadow-stack-v8-5-0acf37caf14c@kernel.org> (raw)
In-Reply-To: <20240808-clone3-shadow-stack-v8-0-0acf37caf14c@kernel.org>

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 <broonie@kernel.org>
---
 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);
 }
 

-- 
2.39.2


  parent reply	other threads:[~2024-08-08  8:17 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-08  8:15 [PATCH RFT v8 0/9] fork: Support shadow stacks in clone3() Mark Brown
2024-08-08  8:15 ` [PATCH RFT v8 1/9] Documentation: userspace-api: Add shadow stack API documentation Mark Brown
2024-08-14 10:40   ` Catalin Marinas
2024-08-08  8:15 ` [PATCH RFT v8 2/9] selftests: Provide helper header for shadow stack testing Mark Brown
2024-08-08  8:15 ` [PATCH RFT v8 3/9] mm: Introduce ARCH_HAS_USER_SHADOW_STACK Mark Brown
2024-08-14 10:41   ` Catalin Marinas
2024-08-08  8:15 ` [PATCH RFT v8 4/9] fork: Add shadow stack support to clone3() Mark Brown
2024-08-09 18:19   ` Catalin Marinas
2024-08-09 23:06     ` Mark Brown
2024-08-13 16:25       ` Catalin Marinas
2024-08-13 18:58         ` Mark Brown
2024-08-14  9:38           ` Catalin Marinas
2024-08-14 13:20             ` Mark Brown
2024-08-15  0:18   ` Edgecombe, Rick P
2024-08-15 14:24     ` Mark Brown
2024-08-16  8:44     ` Catalin Marinas
2024-08-16 10:51       ` Mark Brown
2024-08-16 15:29         ` Catalin Marinas
2024-08-16 15:46           ` Mark Brown
2024-08-16 14:52       ` Edgecombe, Rick P
2024-08-16 15:30         ` Mark Brown
2024-08-16 15:38         ` Catalin Marinas
2024-08-16 17:06           ` Mark Brown
2024-08-16 17:08     ` Jann Horn
2024-08-16 17:17       ` Mark Brown
2024-08-08  8:15 ` Mark Brown [this message]
2024-08-08  8:15 ` [PATCH RFT v8 6/9] selftests/clone3: Factor more of main loop into test_clone3() Mark Brown
2024-08-08  8:15 ` [PATCH RFT v8 7/9] selftests/clone3: Explicitly handle child exits due to signals Mark Brown
2024-08-08  8:15 ` [PATCH RFT v8 8/9] selftests/clone3: Allow tests to flag if -E2BIG is a valid error code Mark Brown
2024-08-08  8:15 ` [PATCH RFT v8 9/9] selftests/clone3: Test shadow stack support Mark Brown
2024-08-08 17:54 ` [PATCH RFT v8 0/9] fork: Support shadow stacks in clone3() Kees Cook
2024-08-15  0:19   ` Edgecombe, Rick P
2024-08-16 15:52 ` Jann Horn
2024-08-16 16:19   ` Mark Brown

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