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SubjectRe: [RFC PATCH 0/6] Convert all tasklets to workqueues

> If I understand correctly, this is because tasklet_head.list is protected
> by local_irq_save(), and t could be scheduled on another CPU, so we just
> can't steal it, yes?

Yes. All that code is written to avoid synchronization as much as possible.

> If we use worqueues, we can change the semantics of tasklet_kill() so
> that it really cancels an already scheduled tasklet.
> The question is: would it be the wrong/good change?

If it does not add another usec to tasklet_schedule(), it would be good.

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