KVM: VMX: Cache vmcs.EXIT_INTR_INFO using arch avail_reg flags
Introduce a new "extended register" type, EXIT_INFO_2 (to pair with the
nomenclature in .get_exit_info()), and use it to cache VMX's
vmcs.EXIT_INTR_INFO. Drop a comment in vmx_recover_nmi_blocking() that
is obsoleted by the generic caching mechanism.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <
20200415203454.8296-6-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>