[PATCH] PPC64 pmac hotplug cpu

Benjamin Herrenschmidt benh at kernel.crashing.org
Mon Jan 17 15:47:46 EST 2005

On Sun, 2005-01-16 at 21:37 -0700, Zwane Mwaikambo wrote:
> Hello Ben,
> On Sun, 16 Jan 2005, Benjamin Herrenschmidt wrote:
> > Looks good, but you could do even better :) I still want to look at the
> > proper mecanism to flush the CPU cache on 970, but the idea here is to
> > flush it, and put the CPU into a NAP loop (the 970 has no SLEEP mode)
> > with the caches clean and MSR:EE off. We can later get it back with a
> > soft reset.
> Thanks for the suggestions! I'll work on getting something together.

Well.. the cache flush part requires some not-really-documentd stuff on
the 970, but I'll try to come up with something.


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