diff --git a/[refs] b/[refs]
index b7b33c535479..a2589797882f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 778d250a29224795e6320b58928bafa6b6104a06
+refs/heads/master: 8146c4e2e2c1972216afece5c50e072e86120e42
diff --git a/trunk/kernel/rcutree.c b/trunk/kernel/rcutree.c
index 575f91d03f06..ac3a810d2db7 100644
--- a/trunk/kernel/rcutree.c
+++ b/trunk/kernel/rcutree.c
@@ -1373,6 +1373,7 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp)
 	 * races with call_rcu() from interrupt handlers.
 	 */
 	local_irq_save(flags);
+	WARN_ON_ONCE(cpu_is_offline(smp_processor_id()));
 	bl = rdp->blimit;
 	trace_rcu_batch_start(rsp->name, rdp->qlen_lazy, rdp->qlen, bl);
 	list = rdp->nxtlist;