* Matthew Garrett <[email protected]> wrote:
> On Sun, Sep 27, 2015 at 09:30:48AM -0700, Andy Lutomirski wrote:
> > On Sep 26, 2015 1:19 PM, "H. Peter Anvin" <[email protected]> wrote:
> > >
> > > Sadly a lot of firmware is known to fail in that configuration :( That
> > > was very much our guest choice.
> > >
> >
> > Why can't we map everything completely 1:1 (VA = PA) and call the
> > setVA thing but pass it literally the identity.
>
> Last time I tried this I found that some firmware makes assumptions
> about having high addresses.
So the question is, what does Windows do?
PC firmware is a hostile environment for Linux, to be compatible the best we
can
do is to mimic the environment that the firmware is tested under - i.e. try to
use
the firmware in the way Windows uses it.
Thanks,
Ingo
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