Re: tasklet_kill will always hang for recursive tasklets on a UP

[Werner Almesberger]

Juergen Quade wrote:
> Can this work reliable?

Hmm, actually, no. On UP, yes. But on SMP, you might tasklet_kill
while the tasklet is running, but before it has had a chance to
tasklet_schedule itself. tasklet_schedule will have no effect in
this case.

Alexey, if my observation is correct, the property

| * If tasklet_schedule() is called, then tasklet is guaranteed
|   to be executed on some cpu at least once after this.

does not hold if using tasklet_kill on SMP.

- Werner

-- 
  _________________________________________________________________________
 / Werner Almesberger, Buenos Aires, Argentina         wa@xxxxxxxxxxxxxxx /
/_http://www.almesberger.net/____________________________________________/
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