Re: [patch 07/26] Xen-paravirt_ops: Allow paravirt backend to choose kernel PMD sharing

Ingo Molnar
2007-03-16T09:32:14Z

* Jeremy Fitzhardinge <jeremy@goop.org> wrote:

> Normally when running in PAE mode, the 4th PMD maps the kernel address
> space, which can be shared among all processes (since they all need
> the same kernel mappings.
>
> Xen, however, does not allow guests to have the kernel pmd shared
> between page tables, so parameterize pgtable.c to allow both modes of
> operation.

Acked-by: Ingo Molnar <mingo@elte.hu>

Ingo