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xen-devel
Re: [Xen-devel] PAE issue (32-on-64 work)
On 19/10/06 15:24, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:
>> If we allowed non-pae-aligned L3s then you'd have no choice but to shadow
>> anyway, as that would be the only way to make the guest mappings appear at
>> the correct place in the 64-bit address space.
>
> It's not really shadowing, since there is no need to monitor changes. I'd
> therefore rather call it snapshotting.
But you do need to track updates, right? What if the guest zaps an L3 entry
in an in-use PGD table and than flushes TLBs?
-- Keir
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