diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 157539a..b2fc234 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -2169,7 +2169,8 @@
 
 static void invoke_rcu_core(void)
 {
-	raise_softirq(RCU_SOFTIRQ);
+	if (cpu_online(smp_processor_id()))
+		raise_softirq(RCU_SOFTIRQ);
 }
 
 /*