From: John Ogness <john.ogness@linutronix.de>
To: "Paul E. McKenney" <paulmck@kernel.org>, rcu@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com,
rostedt@goodmis.org, "Paul E. McKenney" <paulmck@kernel.org>
Subject: Re: [PATCH rcu 11/12] torture: Flush printk() buffers before powering off
Date: Tue, 21 Jun 2022 01:29:04 +0206 [thread overview]
Message-ID: <8735fyc42v.fsf@jogness.linutronix.de> (raw)
In-Reply-To: <20220620225817.3843106-11-paulmck@kernel.org>
On 2022-06-20, "Paul E. McKenney" <paulmck@kernel.org> wrote:
> The rcutorture test suite produces quite a bit of console output
> at the end of a test. This means that the new printk() kthreads
> are likely to be in the process of flushing output at the time of
> the torture_shutdown() function's call to kernel_power_off().
>
> This commit therefore invokes pr_flush(1000, true) to flush this
> pending console output before invoking kernel_power_off().
>
> Fixes: 8e274732115f ("printk: extend console_lock for per-console locking")
> Cc: John Ogness <john.ogness@linutronix.de>
> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
next prev parent reply other threads:[~2022-06-20 23:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-20 22:58 [PATCH rcu 0/12] Torture-test updates for v5.20 Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 01/12] torture: Make kvm-remote.sh announce which system is being waited on Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 02/12] rcu/torture: Change order of warning and trace dump Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 03/12] rcutorture: Simplify rcu_torture_read_exit_child() loop Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 04/12] rcutorture: Fix memory leak in rcu_test_debug_objects() Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 05/12] torture: Adjust to again produce debugging information Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 06/12] rcutorture: Make failure indication note reader-batch overflow Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 07/12] rcu/rcuscale: Fix smp_processor_id()-in-preemptible warnings Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 08/12] torture: Create kvm-check-branches.sh output in proper location Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 09/12] rcutorture: Fix ksoftirqd boosting timing and iteration Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 10/12] rcutorture: Handle failure of memory allocation functions Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 11/12] torture: Flush printk() buffers before powering off Paul E. McKenney
2022-06-20 23:23 ` John Ogness [this message]
2022-06-20 23:28 ` Paul E. McKenney
2022-06-21 8:09 ` John Ogness
2022-06-21 18:13 ` Paul E. McKenney
2022-06-21 20:52 ` John Ogness
2022-06-21 21:01 ` Paul E. McKenney
2022-06-20 22:58 ` [PATCH rcu 12/12] refscale: Convert test_lock spinlock to raw_spinlock Paul E. McKenney
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