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Re: kern/40419 (processor sets broken on 5.99.6)

Andrew Doran <> wrote:
> > We can do yield() in sys__pset_bind(). Do you think it is worth?
> I was thinking of a function that scans all threads, with cpu_lock held, and
> checks to see if their l_cpu is allowed by their affinity mask, processor
> set or LP_BOUND flag. If not, change l_cpu (or migrate if online), then do a
> broadcast xcall to nullop() if there have been migrations.
> Hmm, shouldn't psets and affinity masks be mutually exclusive?

Yes, exactly what I thought while fixing this. While originally mixing was
permitted, intervention to the "jailed" processor-set is really wrong!

Fix committed (without xcall bit):

By the way, does it make more sense to return EPERM or EBUSY, or other?

> Andrew

Best regards,

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