linux-kernel - Re: [PATCH v2] workqueue: Remove the warning in wq_worker

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Date:   Fri, 3 Apr 2020 20:25:02 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Daniel Jordan <daniel.m.jordan@...cle.com>
Cc:     kernel test robot <lkp@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        linux-kernel@...r.kernel.org, LKP <lkp@...ts.01.org>,
        Tejun Heo <tj@...nel.org>,
        Lai Jiangshan <jiangshanlai@...il.com>
Subject: Re: [PATCH v2] workqueue: Remove the warning in wq_worker_sleeping()

On 2020-04-03 13:45:00 [-0400], Daniel Jordan wrote:
> Why would preemption prevent it?  Interrupts are still enabled.
> 
> What am I missing?  :-)

Preemption is disabled which means no other task is allowed to be
scheduled.

Sebastian