1 files changed, 6 insertions, 0 deletions

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 346948b51b0b..3c23435d2083 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -3776,12 +3776,16 @@ int rcutree_online_cpu(unsigned int cpu)
 {
         sync_sched_exp_online_cleanup(cpu);
         rcutree_affinity_setting(cpu, -1);
+        if (IS_ENABLED(CONFIG_TREE_SRCU))
+                srcu_online_cpu(cpu);
         return 0;
 }
 
 int rcutree_offline_cpu(unsigned int cpu)
 {
         rcutree_affinity_setting(cpu, cpu);
+        if (IS_ENABLED(CONFIG_TREE_SRCU))
+                srcu_offline_cpu(cpu);
         return 0;
 }
 
@@ -4157,6 +4161,8 @@ void __init rcu_init(void)
         for_each_online_cpu(cpu) {
                 rcutree_prepare_cpu(cpu);
                 rcu_cpu_starting(cpu);
+                if (IS_ENABLED(CONFIG_TREE_SRCU))
+                        srcu_online_cpu(cpu);
         }
 }