[RFC] Old paca being written by firmware after kexec

[Michael Ellerman]

On Fri, 7 Oct 2005 13:59, Anton Blanchard wrote:
> > Ouch! Nice work hunting this down.
> >
> > I think there is an unregister vpa hcall, for a clean kexec boot perhaps
> > we could have a shutdown method that calls this.
>
> I had a look at the register vpa hcall and it can take a flag
> to deregister the vpa:
>
> flags = 101 - deregister virtual processor area

Yep, I'm just looking at that. I'll try and scrape up a patch to do that this 
arvo. Thanks for the pointer.

cheers

-- 
Michael Ellerman
IBM OzLabs

email: michael:ellerman.id.au
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