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xen-ia64-devel
Re: [Xen-ia64-devel] domU stability
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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