diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 2e1e83ff4c80..7d9fec642662 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1636,7 +1636,7 @@ static int find_lowest_rq(struct task_struct *task);
  * task is likely to block preemptions soon because it is a
  * ksoftirq thread that is handling softirqs.
  */
-static bool cpu_busy_with_softirqs(int cpu)
+bool cpu_busy_with_softirqs(int cpu)
 {
 	u32 softirqs = per_cpu(active_softirqs, cpu) |
 		       __cpu_softirq_pending(cpu);
@@ -1644,11 +1644,12 @@ static bool cpu_busy_with_softirqs(int cpu)
 	return softirqs & LONG_SOFTIRQ_MASK;
 }
 #else
-static bool cpu_busy_with_softirqs(int cpu)
+bool cpu_busy_with_softirqs(int cpu)
 {
 	return false;
 }
 #endif /* CONFIG_RT_SOFTIRQ_AWARE_SCHED */
+EXPORT_SYMBOL_GPL(cpu_busy_with_softirqs);
 
 static bool rt_task_fits_cpu(struct task_struct *p, int cpu)
 {
@@ -3168,3 +3169,5 @@ void print_rt_stats(struct seq_file *m, int cpu)
 	rcu_read_unlock();
 }
 #endif /* CONFIG_SCHED_DEBUG */
+
+extern bool cpu_busy_with_softirqs(int cpu);