Re: scheduler problems on shutdown

[Nick Piggin]

Martin J. Bligh wrote:
> > I think the WARN_ON can go. You have to make sure the for_each_cpu
> > loop doesn't get to run it though. It shouldn't be in the latest -mm
> > kernels, is it?
>
>
> OK, I'll figure it out. I don't like the latest code, so don't really want
> to "upgrade" though.
>  

Oh? Anything specific?

> > It is normal to have an entire group offline with CPU hotplug.
>
>
> Only if we can't figure out how to hotplug groups as well, which would
> be a much cleaner way of doing it.

I think we'll soon want to add a sched domain setup callback
for hotplug that can take care of these things as required.
But for now, the current situation should be OK.
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