linux-kernel - Re: [PATCH] kernel/hung_task: add option to ignore task

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Message-ID: <Yy2S16jOPVzDZSBe@hirez.programming.kicks-ass.net>
Date:   Fri, 23 Sep 2022 13:04:55 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Kassey Li <quic_yingangl@...cinc.com>
Cc:     mingo@...hat.com, linux-kernel@...r.kernel.org,
        quic_namajain@...cinc.com
Subject: Re: [PATCH] kernel/hung_task: add option to ignore task

On Fri, Sep 23, 2022 at 04:53:35PM +0800, Kassey Li wrote:
> By default, hung_task will iterate the tasklist and check
> state in TASK_UNINTERRUPTIBLE with a given timeout value.
> 
> Some tasks may in this state as expected but reported by hung_task.

Please explain..