1 files changed, 15 insertions, 2 deletions

diff --git a/litmus/jobs.c b/litmus/jobs.c
index 36e314625d86..1d97462cc128 100644
--- a/litmus/jobs.c
+++ b/litmus/jobs.c
@@ -10,8 +10,21 @@ void prepare_for_next_period(struct task_struct *t)
 {
         BUG_ON(!t);
         /* prepare next release */
-        t->rt_param.job_params.release   = t->rt_param.job_params.deadline;
-        t->rt_param.job_params.deadline += get_rt_period(t);
+
+        if(tsk_rt(t)->task_params.cls == RT_CLASS_SOFT_W_SLIP) {
+                /* allow the release point to slip if we've passed our deadline. */
+                lt_t now = litmus_clock();
+                t->rt_param.job_params.release =
+                        (t->rt_param.job_params.deadline < now) ?
+                                now : t->rt_param.job_params.deadline;
+                t->rt_param.job_params.deadline =
+                        t->rt_param.job_params.release + get_rt_period(t);
+        }
+        else {
+                t->rt_param.job_params.release   = t->rt_param.job_params.deadline;
+                t->rt_param.job_params.deadline += get_rt_period(t);
+        }
+
         t->rt_param.job_params.exec_time = 0;
         /* update job sequence number */
         t->rt_param.job_params.job_no++;