From 2a8b806d1eee852855183f25263ac5ab9cc3f93e Mon Sep 17 00:00:00 2001
From: Keir Fraser <keir.fraser@citrix.com>
Date: Mon, 8 Mar 2010 19:10:27 +0000
Subject: [PATCH] cpu hotplug: Add the missed rcu init for new added CPU

Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com>
---
 xen/arch/x86/smpboot.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/arch/x86/smpboot.c b/xen/arch/x86/smpboot.c
index 5118da3d47..7e9473f267 100644
--- a/xen/arch/x86/smpboot.c
+++ b/xen/arch/x86/smpboot.c
@@ -1391,6 +1391,8 @@ int cpu_up(unsigned int cpu)
 		goto out;
 	}
 
+	rcu_online_cpu(cpu);
+
 	err = __cpu_up(cpu);
 	if (err < 0)
 		goto out;
-- 
2.30.2