Re: [PATCH 1/2] x86, ioapic: Reserve only 128 bytes for IOAPICs

Cyrill Gorcunov
2011-08-26T09:39:25Z

On Fri, Aug 26, 2011 at 11:22:32AM +0200, Ralf Jung wrote:
> Hi,
>
> > I rather wonder if there a way to assign a different address for the
> > watchdog Bjorn referring to. I don't have such machine to test but
> > seems its base address is configurable via pmio. Just curious.
>
> That would be the watchdog in my laptop then, I guess (I'm the reporter of the
> bug mentioned by Bjorn)? I don't know much about all the inner workings, but
> if you send me patches I can tell you what they do.
>
> Kind regards,
> Ralf

Hi Ralf, I can't put that risk on you. Hell knows how it will react
on such reprogramming (which is seems rather a bios duty than kernel).

Bjorn, from where we pick this address at moment, it's obtained via
pci config?

Cyrill