The RCU tasks trace has been reimplemented by 'commit c27cea4416a3
("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 <[email protected]>
---
 kernel/rcu/tasks.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index f4da5fad70f5..7f7d1e636217 100644
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -67,7 +67,6 @@ struct rcu_tasks_percpu {
  * @gp_start: Most recent grace-period start in jiffies.
  * @tasks_gp_seq: Number of grace periods completed since boot in upper bits.
  * @n_ipis: Number of IPIs sent to encourage grace periods to end.
- * @n_ipis_fails: Number of IPI-send failures.
  * @kthread_ptr: This flavor's grace-period/callback-invocation kthread.
  * @lazy_jiffies: Number of jiffies to allow callbacks to be lazy.
  * @pregp_func: This flavor's pre-grace-period function (optional).
@@ -102,7 +101,6 @@ struct rcu_tasks {
        unsigned long gp_start;
        unsigned long tasks_gp_seq;
        unsigned long n_ipis;
-       unsigned long n_ipis_fails;
        struct task_struct *kthread_ptr;
        unsigned long lazy_jiffies;
        rcu_tasks_gp_func_t gp_func;
@@ -735,12 +733,12 @@ static void show_rcu_tasks_generic_gp_kthread(struct 
rcu_tasks *rtp, char *s)
                if (havecbs && haveurgent && haveurgentcbs)
                        break;
        }
-       pr_info("%s: %s(%d) since %lu g:%lu i:%lu/%lu %c%c%c%c l:%lu %s\n",
+       pr_info("%s: %s(%d) since %lu g:%lu i:%lu %c%c%c%c l:%lu %s\n",
                rtp->kname,
                tasks_gp_state_getname(rtp), data_race(rtp->gp_state),
                jiffies - data_race(rtp->gp_jiffies),
                data_race(rcu_seq_current(&rtp->tasks_gp_seq)),
-               data_race(rtp->n_ipis_fails), data_race(rtp->n_ipis),
+               data_race(rtp->n_ipis),
                ".k"[!!data_race(rtp->kthread_ptr)],
                ".C"[havecbs],
                ".u"[haveurgent],
-- 
2.17.1


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