LITMUS: don't let real-time tasks fork real-time tasks.

The forked task will be a best-effort task.

1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 9e42d3a207..4c322d4ee0 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -187,6 +187,9 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
         *tsk = *orig;
         tsk->stack = ti;
 
+        /* Don't let the new task be a real-time task. */
+        memset(&tsk->rt_param, 0, sizeof(struct rt_task));
+
         err = prop_local_init_single(&tsk->dirties);
         if (err) {
                 free_thread_info(ti);