rcu/nocb: Print gp/cb kthread hierarchy if dump_tree

This commit causes the no-CBs grace-period/callback hierarchy to be
printed to the console when the dump_tree kernel boot parameter is set.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Paul E. McKenney 2019-06-01 05:12:36 -07:00
commit 18cd8c93e6