From: "Paul E. McKenney" <paulmck@xxxxxxxxxx> This commit improves debuggability by indicating laying out the order in which rcuoc kthreads appear in the ->nocb_next_cb_rdp list. Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx> --- kernel/rcu/tree_plugin.h | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 5ee1113..bc63a6b 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -2730,6 +2730,7 @@ static void show_rcu_nocb_state(struct rcu_data *rdp) sprintf(bufr, "%ld", rsclp->gp_seq[RCU_NEXT_READY_TAIL]); pr_info(" CB %d^%d->%d %c%c%c%c%c%c F%ld L%ld C%d %c%c%s%c%s%c%c q%ld %c CPU %d%s\n", rdp->cpu, rdp->nocb_gp_rdp->cpu, + rdp->nocb_next_cb_rdp ? rdp->nocb_next_cb_rdp->cpu : -1, "kK"[!!rdp->nocb_cb_kthread], "bB"[raw_spin_is_locked(&rdp->nocb_bypass_lock)], "cC"[!!atomic_read(&rdp->nocb_lock_contended)], -- 2.9.5