sched: fix cpuprio build bug

this patch was not built on !SMP:

 kernel/sched_rt.c: In function 'inc_rt_tasks':
 kernel/sched_rt.c:404: error: 'struct rq' has no member named 'online'

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 1 deletions

diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index e4821593d4de..eaa606071d51 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -399,16 +399,19 @@ void inc_rt_tasks(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
 #if defined CONFIG_SMP || defined CONFIG_RT_GROUP_SCHED
         if (rt_se_prio(rt_se) < rt_rq->highest_prio) {
                 struct rq *rq = rq_of_rt_rq(rt_rq);
-                rt_rq->highest_prio = rt_se_prio(rt_se);
 
+                rt_rq->highest_prio = rt_se_prio(rt_se);
+#ifdef CONFIG_SMP
                 if (rq->online)
                         cpupri_set(&rq->rd->cpupri, rq->cpu,
                                    rt_se_prio(rt_se));
+#endif
         }
 #endif
 #ifdef CONFIG_SMP
         if (rt_se->nr_cpus_allowed > 1) {
                 struct rq *rq = rq_of_rt_rq(rt_rq);
+
                 rq->rt.rt_nr_migratory++;
         }