Re: [RFC v2 00/20] Memory API

Avi Kivity
2011-06-27T16:10:07Z

On 06/27/2011 06:59 PM, Michael S. Tsirkin wrote:
> >
> > >- bridges might also enable subtractive decoding
> > > (required for isa behind the bridge)
> >
> > What does that mean?
>
> subtractive decoding is
> a method of address decoding in which a device accepts all
> accesses not positively decoded by another agent.
>

Okay, we implement that already via memory region priorities.

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