rcu: Fix obsolete DYNTICK_IRQ_NONIDLE comment

This commit updates the DYNTICK_IRQ_NONIDLE header comment to remove
the obsolete commentary about unmatched rcu_irq_{enter,exit}().

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Paul E. McKenney 2018-11-28 12:47:23 -08:00
commit c2d8089de7