Re: [PATCH] KVM: x86: add hint to skip hidden rdpkru under kvm_load_host_xsave_state

[Dave Hansen]

On 5/13/21 10:11 PM, Andy Lutomirski wrote:
> I don't even want to think about what happens if a perf NMI hits and
> accesses host user memory while the guest PKRU is live (on VMX -- I
> think this can't happen on SVM).

What's the relevant difference between SVM and VMX here?  I'm missing
something.