Messages in this thread | | | From | kuznet@ms2 ... | Subject | Re: tasklet_kill will always hang for recursive tasklets on a UP | Date | Wed, 27 Aug 2003 05:47:18 +0400 (MSD) |
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Hello!
> 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.
It still holds. tasklet_kill just waits for completion of scheduled events. Well, it _assumes_ that cpu which calls tasklet_schedule does not try to wake the tasklet after death. But it is from area of pure scholastics already: waker and killer have to synchronize in some way anyway.
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