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From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
	Davidlohr Bueso <dave@stgolabs.net>,
	Keenan Dong <keenanat2000@gmail.com>,
	Yuan Tan <yuantan098@gmail.com>,
	Yifan Wu <yifanwucs@gmail.com>,
	Juefei Pu <tomapufckgml@gmail.com>,
	Xin Liu <bird@lzu.edu.cn>,
	Thomas Gleixner <tglx@kernel.org>,
	Sid Kumar <sidkumar1@gmail.com>
Subject: Re: [PATCH 5.15.y v2 1/2] rtmutex: Use waiter::task instead of current in remove_waiter()
Date: Fri, 10 Jul 2026 17:02:58 -0400
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On Thu, Jul 09, 2026 at 10:59:48AM -0400, Sid Kumar wrote:
> remove_waiter() is used by the slowlock paths, but it is also used for
> proxy-lock rollback in rt_mutex_start_proxy_lock() when invoked from
> futex_requeue().
>
> In the latter case waiter::task is not current, but remove_waiter()
> operates on current for the dequeue operation. That results in several
> problems:

Queued the series for 5.15, thanks.

-- 
Thanks,
Sasha