Splice LITMUS^RT scheduling class into scheduler hierarchy above rt class

Below stop_machine tasks, as such tasks never arise during normal
operation.

2 files changed, 2 insertions, 1 deletions

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index e8e1bcc5aaa9..fc579e161dc0 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1022,6 +1022,7 @@ struct sched_class {
    for (class = sched_class_highest; class; class = class->next)
 
 extern const struct sched_class stop_sched_class;
+extern const struct sched_class litmus_sched_class;
 extern const struct sched_class rt_sched_class;
 extern const struct sched_class fair_sched_class;
 extern const struct sched_class idle_sched_class;
diff --git a/kernel/sched/stop_task.c b/kernel/sched/stop_task.c
index 6835d31dd45b..b45e05819151 100644
--- a/kernel/sched/stop_task.c
+++ b/kernel/sched/stop_task.c
@@ -111,7 +111,7 @@ get_rr_interval_stop(struct rq *rq, struct task_struct *task)
  * Simple, special scheduling class for the per-CPU stop tasks:
  */
 const struct sched_class stop_sched_class = {
-        .next                   = &rt_sched_class,
+        .next                   = &litmus_sched_class,
 
         .enqueue_task           = enqueue_task_stop,
         .dequeue_task           = dequeue_task_stop,