Subject: softirq: Export in_serving_softirq()
From: John Kacur <jkacur@redhat.com>
Date: Mon, 14 Nov 2011 02:44:43 +0100

ERROR: "in_serving_softirq" [net/sched/cls_cgroup.ko] undefined!

The above can be fixed by exporting in_serving_softirq

Signed-off-by: John Kacur <jkacur@redhat.com>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: stable-rt@vger.kernel.org
Link: http://lkml.kernel.org/r/1321235083-21756-2-git-send-email-jkacur@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

---
 kernel/softirq.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-stable/kernel/softirq.c
===================================================================
--- linux-stable.orig/kernel/softirq.c
+++ linux-stable/kernel/softirq.c
@@ -448,6 +448,7 @@ int in_serving_softirq(void)
 	preempt_enable();
 	return res;
 }
+EXPORT_SYMBOL(in_serving_softirq);
 
 /*
  * Called with bh and local interrupts disabled. For full RT cpu must