[Xen-devel] Re: [PATCH] Update cr3 in PAE mode when guest walk succeed but shadow walk fails

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

> The attached patch solves the problem by calling update_cr3() in that
> path when the guest is in PAE mode, and only ASSERT()ing when the
> guest is not in PAE mode.  The guest will get one spurious page fault,
> but subsequent accesses will succeed.
Hi George,

I suppose this patch is also needed when running 32-on-64.  In that 
case, shouldn't the test be
#if GUEST_PAGING_LEVELS >= 3

rather than "== 3"?

Thanks,

Paolo

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