On 03/02, Paul E. McKenney wrote:
>
> One way to embed try_to_freeze() into kthread_should_stop() might be
> as follows:
>
> int kthread_should_stop(void)
> {
> if (kthread_stop_info.k == current)
> return 1;
> try_to_freeze();
> return 0;
> }
I think this is dangerous. For example, worker_thread() will probably
need some special actions after return from refrigerator. Also, a kernel
thread may check kthread_should_stop() in the place where try_to_freeze()
is not safe.
Perhaps we should introduce a new helper which does this.
Oleg.
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