On 03/09/2015 09:33 PM, Paolo Bonzini wrote:

On 09/03/2015 18:08, Avi Kivity wrote:
Is the issue emulating a higher MAXPHYADDR on the guest than is
available on the host? I don't think there's any need to support that.
No, indeed.  The only problem is that the failure mode is quite horrible
(you get a triple fault, possibly while the guest is running).

Can't qemu simply check for it?

If you need that, disable EPT. :)


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