[Skiboot] support for CPU hotplug?

Benjamin Herrenschmidt benh at kernel.crashing.org
Fri Mar 6 07:48:43 AEDT 2015

On Thu, 2015-03-05 at 12:34 -0500, Dan Streetman wrote:
> I'm wondering, do we support CPU hotplug in skiboot?  I don't know 
> enough about the HW to know if it's possible, but if it is and skiboot 
> supports it then I need to update the NX code to add/remove coprocessors 
> on hotplug...

No we don't. At least not physical hotplug. Linux can "unplug" cores by
putting them into a very low power sate but that's about it.


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