KVM: VMX: check nested state and CR4.VMXE against SMM
VMX cannot be enabled under SMM, check it when CR4 is set and when nested
virtualization state is restored.
This should fix some WARNs reported by syzkaller, mostly around
alloc_shadow_vmcs.
Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
parent
822f312d
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