From afd76d00c9945ed59a552c17fac6ce9ad96ed758 Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paul.mckenney@linaro.org>
Date: Thu, 21 Jun 2012 09:54:10 -0700
Subject: [PATCH] --- yaml --- r: 323512 b: refs/heads/master c:
 bfa00b4c4028f39357d16279ff0fddf550241593 h: refs/heads/master v: v3

---
 [refs]                 | 2 +-
 trunk/kernel/rcutree.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 7787195f3984..548764b5ffcd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7fdefc10e1d730d4608cc59d386bc446f5b9ee99
+refs/heads/master: bfa00b4c4028f39357d16279ff0fddf550241593
diff --git a/trunk/kernel/rcutree.c b/trunk/kernel/rcutree.c
index f0c0c1b4b6d4..340a5f54b6af 100644
--- a/trunk/kernel/rcutree.c
+++ b/trunk/kernel/rcutree.c
@@ -1892,6 +1892,8 @@ static void rcu_process_callbacks(struct softirq_action *unused)
 {
 	struct rcu_state *rsp;
 
+	if (cpu_is_offline(smp_processor_id()))
+		return;
 	trace_rcu_utilization("Start RCU core");
 	for_each_rcu_flavor(rsp)
 		__rcu_process_callbacks(rsp);