Re: [PATCH v4] kvm: nVMX: Remove superfluous VMX instruction fault checks

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On Thu, Apr 27, 2017 at 4:25 AM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>
>
> On 27/04/2017 10:29, David Hildenbrand wrote:
>>>  arch/x86/kvm/vmx.c | 55 ++++++++----------------------------------------------
>>>  1 file changed, 8 insertions(+), 47 deletions(-)
>> Nice! So we really only have to check vmxon / pointer / features for
>> vmxon and for the others only vmxon.
>
> Still not good, CR4.VMXE has to be checked because we always run the
> guest with CR4.VMXE set (see section 23.8 in the SDM).

Ah, yes, Of course.

>
> Paolo
>
>> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>



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