From: "Paul E. McKenney" <[email protected]> Now that blocked tasks are no longer migrated to the root rcu_node structure, there is no need to scan the root rcu_node structure for blocked tasks stalling the current grace period. This commit therefore removes this scan.
Signed-off-by: Paul E. McKenney <[email protected]> --- kernel/rcu/tree.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 24d3c67f7be7..4ed2c2842103 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1107,15 +1107,6 @@ static void print_other_cpu_stall(struct rcu_state *rsp) raw_spin_unlock_irqrestore(&rnp->lock, flags); } - /* - * Now rat on any tasks that got kicked up to the root rcu_node - * due to CPU offlining. - */ - rnp = rcu_get_root(rsp); - raw_spin_lock_irqsave(&rnp->lock, flags); - ndetected += rcu_print_task_stall(rnp); - raw_spin_unlock_irqrestore(&rnp->lock, flags); - print_cpu_stall_info_end(); for_each_possible_cpu(cpu) totqlen += per_cpu_ptr(rsp->rda, cpu)->qlen; -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
