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-rw-r--r--kernel/rcu/tree.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 4cbfc4e4fa9e..20587d035d03 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2478,12 +2478,11 @@ static void rcu_do_batch(struct rcu_data *rdp)
}
/*
- * Extract the list of ready callbacks, disabling to prevent
+ * Extract the list of ready callbacks, disabling IRQs to prevent
* races with call_rcu() from interrupt handlers. Leave the
* callback counts, as rcu_barrier() needs to be conservative.
*/
- local_irq_save(flags);
- rcu_nocb_lock(rdp);
+ rcu_nocb_lock_irqsave(rdp, flags);
WARN_ON_ONCE(cpu_is_offline(smp_processor_id()));
pending = rcu_segcblist_n_cbs(&rdp->cblist);
div = READ_ONCE(rcu_divisor);
@@ -2546,8 +2545,7 @@ static void rcu_do_batch(struct rcu_data *rdp)
}
}
- local_irq_save(flags);
- rcu_nocb_lock(rdp);
+ rcu_nocb_lock_irqsave(rdp, flags);
rdp->n_cbs_invoked += count;
trace_rcu_batch_end(rcu_state.name, count, !!rcl.head, need_resched(),
is_idle_task(current), rcu_is_callbacks_kthread());