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Date:   Thu, 28 Jul 2022 00:01:35 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Tejun Heo <tj@kernel.org>
Cc:     Qais Yousef <qais.yousef@arm.com>,
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        Waiman Long <longman@redhat.com>
Subject: Re: [PATCH] sched/schedutil: Fix deadlock between cpuset and cpu
 hotplug when using schedutil
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On Tue, Jul 12, 2022 at 06:13:46AM -1000, Tejun Heo wrote:

> But now we're failing user-initiated operations randomly. I have a hard time
> seeing that as an acceptable solution. 

There (sadly) is precedent for that; grep for "cpu_hotplug_disable".