linux-kernel - Re: [PATCH] workqueue: Remove rcu_read_lock/unlock() in wq_watchdog_timer

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Message-ID: <aLm77Net5zl4WyMc@slm.duckdns.org>
Date: Thu, 4 Sep 2025 06:18:52 -1000
From: Tejun Heo <tj@...nel.org>
To: Zqiang <qiang.zhang@...ux.dev>
Cc: jiangshanlai@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] workqueue: Remove rcu_read_lock/unlock() in
 wq_watchdog_timer_fn()

On Thu, Sep 04, 2025 at 07:31:33PM +0800, Zqiang wrote:
> The wq_watchdog_timer_fn() is executed in the softirq context, this
> is already in the RCU read critical section, this commit therefore
> remove rcu_read_lock/unlock() in wq_watchdog_timer_fn().
> 
> Signed-off-by: Zqiang <qiang.zhang@...ux.dev>

Applied to wq/for-6.18.

Thanks.

-- 
tejun