Re: [PATCH 4/4] nvmx: check for shadow vmcs check on entry

From: Paolo Bonzini
Date: Thu Jul 21 2016 - 05:16:35 EST

On 21/07/2016 00:25, Bandan Das wrote:
> vmentry should check whether the vmcs provided by
> the guest hypervisor is a shadow vmcs and fail.

How can this happen, since vmptrld checks the revision_id as you said below?


> Also, vmptrld should check whether a shadow vmcs
> is being loaded by the guest without support being present
> but this check happens as part of checking the revision_id.