The calling function invoke_rcu_core will check it.

Signed-off-by: Yao Dongdong <yaodongd...@huawei.com>
---
 kernel/rcu/tree.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 48d640c..e5f9b7e 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2741,7 +2741,7 @@ static void __call_rcu_core(struct rcu_state *rsp, struct 
rcu_data *rdp,
         * If called from an extended quiescent state, invoke the RCU
         * core in order to force a re-evaluation of RCU's idleness.
         */
-       if (!rcu_is_watching() && cpu_online(smp_processor_id()))
+       if (!rcu_is_watching())
                invoke_rcu_core();
 
        /* If interrupts were disabled or CPU offline, don't invoke RCU core. */
-- 
1.7.9.5

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