linux-kernel - Re: DEBUG_ATOMIC_SLEEP spew in cgroup_task

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Message-ID: <aQpUY7fEp6_ZqGel@slm.duckdns.org>
Date: Tue, 4 Nov 2025 09:30:43 -1000
From: Tejun Heo <tj@...nel.org>
To: Calvin Owens <calvin@...nvd.org>
Cc: linux-kernel@...r.kernel.org, Dan Schatzberg <dschatzberg@...a.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: DEBUG_ATOMIC_SLEEP spew in cgroup_task_dead() on next-20251104

Hello, Calvin! How are you?

On Tue, Nov 04, 2025 at 10:11:14AM -0800, Calvin Owens wrote:
> I'm guessing this is related to d245698d727a ("cgroup: Defer task cgroup
> unlink until after the task is done switching out")? Is there any other
> useful info I can provide?

Ah, I need to make css_set_lock a raw one. I'll reply with patches.

Thanks.

-- 
tejun