From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Crystal Wood <swood@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
John Keeping <john@metanate.com>,
linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: rtmutex, pi_blocked_on, and blk_flush_plug()
Date: Thu, 23 Mar 2023 15:50:57 +0100 [thread overview]
Message-ID: <20230323145057.CNQ_eJce@linutronix.de> (raw)
In-Reply-To: <20230322164130.CmC_J49n@linutronix.de>
On 2023-03-22 17:41:31 [+0100], To Crystal Wood wrote:
> On 2023-03-04 23:39:57 [-0600], Crystal Wood wrote:
> > Are there any workloads I could run to stress out that path (with my
> > asserts in place)?
>
> None that I can think of. Maybe something from the io-ring test suite.
> But then you may need to bend to code to get the task_add() to fail.
> Maybe Jens knows something.
quick question: Can you throw your testing on the patch I sent checking
if this really cures the problem you see?
> > -Scott
Sebastian
prev parent reply other threads:[~2023-03-23 14:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-10 4:31 rtmutex, pi_blocked_on, and blk_flush_plug() Crystal Wood
2023-02-16 14:17 ` Sebastian Andrzej Siewior
2023-02-16 15:05 ` Sebastian Andrzej Siewior
2023-02-20 9:49 ` Thomas Gleixner
2023-02-20 11:04 ` Sebastian Andrzej Siewior
2023-02-20 11:42 ` Sebastian Andrzej Siewior
2023-02-20 18:21 ` Thomas Gleixner
2023-03-05 5:39 ` Crystal Wood
2023-03-22 16:41 ` Sebastian Andrzej Siewior
2023-03-23 14:50 ` Sebastian Andrzej Siewior [this message]
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