linux-kernel - Re: Query regarding deadlock involving cgroup_threadgroup_rwsem and cpu_hotplug

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Message-ID: <YthDz4BnfYHce1od@slm.duckdns.org>
Date:   Wed, 20 Jul 2022 08:05:03 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Mukesh Ojha <quic_mojha@...cinc.com>
Cc:     Imran Khan <imran.f.khan@...cle.com>, lizefan.x@...edance.com,
        hannes@...xchg.org, tglx@...utronix.de, steven.price@....com,
        peterz@...radead.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: Query regarding deadlock involving cgroup_threadgroup_rwsem and
 cpu_hotplug_lock

On Wed, Jul 20, 2022 at 05:31:51PM +0530, Mukesh Ojha wrote:
> Looks like these patches are the fixes.
> 
> https://lore.kernel.org/all/YtDvN0wJ6CKaEPN8@slm.duckdns.org/#r
> 
> Would let Tejun confirm this .

Yeah, looks like the same issue. I'll write up a patch later this week /
early next unless someone beats me to it.

Thanks.

-- 
tejun