Re: [coreboot] NULL pointer dereference in search_bus_device()

[Stefan Reinauer]

* Myles Watson  [110116 04:42]:
> > > I'd guess that it's left over from another era, but I'm not sure.  Is
> > > there another use for subtractive resources?
> >
> > Well in general I think port 80 is good example of subtractive resource
> > decoding.
>
> I agree.
>
> What I meant was... When should we declare subtractive resources in
> coreboot?  Do we ever need them to be allocated, searched for, etc.?

I thought a bridge would be subtractive because it spans the window in
which its children live.  What does the subtractive code do in
devices/ ?

Eric Biederman would know...
> Because they're subtractive, they should just work, right?
>
> Thanks,
> Myles