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SubjectRe: [PATCH] x86: Construct 32 bit boot time page tables in native format.
Jeremy Fitzhardinge wrote:
> H. Peter Anvin wrote:
>> and we already have to have code to synchronize the PGDs on !PAE and
>> the PMDs on Xen (although that was supposedly getting fixed).
>
> No, I don't have any plans there. Xen will continue to require
> non-shared kernel pmd, at least for a 32-bit host. I think the point is
> that nothing that requires an identity mapping will work under Xen
> anyway, so Xen just doesn't care about this case.
>

Still makes it a special case, not just for this.

-hpa


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