rcu-tasks: Remove unused struct rcu_tasks's->n_ipis_fails variables

The RCU tasks trace has been reimplemented by 'commit c27cea4416
("rcu: Re-implement RCU Tasks Trace in terms of SRCU-fast")', the
rcu_tasks structure's->n_ipis_fails is no longer used, this commit
therefore remove it.

Signed-off-by: Zqiang <qiang.zhang@linux.dev>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Zqiang 2026-07-06 18:03:09 +08:00 • committed by Paul E. McKenney
commit 5b79f1d5d7