From: Tejun Heo <tj@kernel.org>
To: unlisted-recipients:; (no To-header on input)
Cc: Imran Khan <imran.f.khan@oracle.com>,
lizefan.x@bytedance.com, hannes@cmpxchg.org, tglx@linutronix.de,
steven.price@arm.com, peterz@infradead.org,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Query regarding deadlock involving cgroup_threadgroup_rwsem and cpu_hotplug_lock
Date: Wed, 27 Jul 2022 09:33:24 -1000 [thread overview]
Message-ID: <YuGTBLkFerUboctl@slm.duckdns.org> (raw)
In-Reply-To: <YthDz4BnfYHce1od@slm.duckdns.org>
On Wed, Jul 20, 2022 at 08:05:03AM -1000, Tejun Heo wrote:
> 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.
https://lore.kernel.org/lkml/20220705123705.764-1-xuewen.yan@unisoc.com/ is
the thread with the same issue. Let's follow up there.
Thanks.
--
tejun
next prev parent reply other threads:[~2022-07-27 19:33 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <8245b710-8acb-d8e6-7045-99a5f71dad4e@oracle.com>
2022-07-20 2:38 ` Query regarding deadlock involving cgroup_threadgroup_rwsem and cpu_hotplug_lock Imran Khan
2022-07-20 3:27 ` Imran Khan
2022-07-20 11:06 ` Mukesh Ojha
2022-07-20 12:01 ` Mukesh Ojha
2022-07-20 18:05 ` Tejun Heo
2022-07-27 19:33 ` Tejun Heo [this message]
2022-08-12 10:27 ` Mukesh Ojha
2022-08-15 9:05 ` Michal Koutný
2022-08-15 9:25 ` Xuewen Yan
2022-08-15 9:39 ` Michal Koutný
2022-08-15 10:59 ` Mukesh Ojha
2022-08-15 23:27 ` [PATCH cgroup/for-6.0-fixes] cgroup: Fix threadgroup_rwsem <-> cpus_read_lock() deadlock Tejun Heo
2022-08-16 20:20 ` Imran Khan
2022-08-17 6:55 ` Xuewen Yan
2022-08-17 17:40 ` Tejun Heo
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