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SubjectRe: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist

* Srivatsa Vaddagiri <> wrote:

> This thread makes absolutely -no- calls to try_to_freeze() in its
> lifetime.

that's a plain bug. suspend will fail for example. A kernel thread
either needs to mark itself PF_NOFREEZE (which means it can be ignored
and zapped with impunity), or needs to call into try_to_freeze() with a
sane frequency.

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