Re: [PATCH] PPC64 pmac hotplug cpu

From: Zwane Mwaikambo
Date: Mon Jan 17 2005 - 00:36:13 EST


On Mon, 17 Jan 2005, Benjamin Herrenschmidt wrote:

> 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.

I was waiting for you to say that ;)

Thanks,
Zwane

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