Re: [Xen-ia64-devel] domU stability

[Matt Chapman <matthewc@xxxxxxxxxxxxxxx>]

On Tue, Nov 15, 2005 at 09:30:05PM -0800, Magenheimer, Dan (HP Labs Fort 
Collins) wrote:
> Doesn't a domU virtual address e000010000000009 indicate the 9th entry
> in the grant table?

Yes (though of course the entries are larger than 1 byte).  But Xen
only cares that it's at 0x10000000009 metaphysical; the virtual
mapping is up to the guest.

>  Or am I remembering an old design that wasn't
> implemented?  Or if this is correct, where does this translation
> get done?  Is it just a normal metaphysical->physical translation in the
> 3-level lookup table?

It's a normal metaphysical->physical translation.  It gets installed
by gnttab_setup_table using map_domain_page.

Matt


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