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RE: [Xen-devel] paging mechanism clarification

> >  Now again i am confused :-(.
> >  you mean shadow tables are not used at all in case of PV guests if
i am
> > not using live migration at all? They are used as default only in
> of
> > HVM guests, with or without live migration right?
> Normally, PV guests manage the real hardware pagetable so there are no
> shadow
> pagetables.  Xen just limits what they're allowed to do with their
> pagetables
> to prevent abuse.

You can make the PV guest use shadow pagetables if you turn on the
autotranslated physmap feature. But I am not sure if this feature still
works in the latest tip.


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