>>>> We're making the semantics of such a call up as we go along.
>>>> However I think that passing proc == NULL if the secondary
>>>> addresses are in kernel space is reasonable.
>>> Won't this cause problems if the ioctl wants to sleep ?
>> Hmm.... Yes.
> what's a problem if it sleeps?

How does it tell which process should be put to sleep?

What if it's being called from a non-process context?

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