cms_poll_ownermask
bankmask = cms_poll_ownermask(hdl, gcpu_mca_poll_interval);
if (CMS_OP_PRESENT(cms, cms_poll_ownermask))
return (CMS_OPS(cms)->cms_poll_ownermask(hdl, poll_interval));
extern uint64_t cms_poll_ownermask(cmi_hdl_t, hrtime_t);
uint64_t (*cms_poll_ownermask)(cmi_hdl_t, hrtime_t);