On Thu, 18 May 2023 14:17:46 -0700 Stefan Roesch wrote: > + * napi_busy_loop_rcu() - busy poll (caller holds rcu read lock) > + * @napi_id : napi id > + * @loop_end : function to check for loop end > + * @loop_end_arg : argument for loop end function > + * @prefer_busy_poll: prefer busy poll > + * @budget : budget for busy poll > + * > + * Warning: caller must hold rcu read lock. I think it's worth noting that until the non-RCU version this one may exit without calling need_resched(). Otherwise the entire kdoc can go IMO, it adds no value. It just restates the arguments and the RCU-iness is obviously implied by the suffix.