rcu_segcblist_segempty
if (!rcu_segcblist_segempty(rsclp, i))
if (!rcu_segcblist_segempty(rsclp, i) &&
WARN_ON_ONCE(!rcu_segcblist_segempty(&sdp->srcu_cblist, RCU_NEXT_TAIL));
rcu_segcblist_segempty(rsclp, RCU_DONE_TAIL) ? "" : bufd,
".W"[!rcu_segcblist_segempty(rsclp, RCU_WAIT_TAIL)],
rcu_segcblist_segempty(rsclp, RCU_WAIT_TAIL) ? "" : bufw,
".R"[!rcu_segcblist_segempty(rsclp, RCU_NEXT_READY_TAIL)],
rcu_segcblist_segempty(rsclp, RCU_NEXT_READY_TAIL) ? "" : bufr,
".N"[!rcu_segcblist_segempty(rsclp, RCU_NEXT_TAIL)],
rcu_segcblist_segempty(rsclp, RCU_NEXT_TAIL) ? "" : bufn,