Re: [PATCH] sched/schedutil: Fix deadlock between cpuset and cpu hotplug when using schedutil

[Viresh Kumar]

On 11-07-22, 15:43, Xuewen Yan wrote:
> This deadlock occurs when we run the monkey test on an Android phone,
> at the same time, randomly put online or offline a cpu core.
> Indeed the thread-A which get the cgroup_threadgroup_rwsem and waiting
> for the cpu_hotplug_lock is the thread whose name is "OomAdjuster" in
> android.

It would be better to reproduce this on mainline kernel, no android,
and tell us the steps. We don't want to chase an Android only issue,
just in case.

Thanks.

-- 
viresh