RE: re-writing on powerpc

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On Wed, 2010-12-15 at 11:32 +0000, Sethi Varun-B16395 wrote:

> > kvm isn't aware of all guest mappings (only those that were instantiated
> > in shadow tlb/pagetables).
> I am not sure if I understand, but guest would have to be instantiate the mapping in the tlb (for BookE) before page can be accessed.
> That's when we can set the access permissions.

But then you need to track them and add overhead to your TLB management,
which you really don't want.

Ben.


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