xen_processor_px
static struct xen_processor_px *
struct xen_processor_px *dst_states = NULL;
BUILD_BUG_ON(sizeof(struct xen_processor_px) !=
dst_states = kzalloc_objs(struct xen_processor_px,
struct xen_processor_px *dst_states = NULL;
DEFINE_GUEST_HANDLE_STRUCT(xen_processor_px);
GUEST_HANDLE(xen_processor_px) states;