Add enter_np/exit_np callbacks for non-preemptable sections support

2 files changed, 13 insertions, 0 deletions

diff --git a/kernel/litmus.c b/kernel/litmus.c
index b420ab1464..eef223639b 100644
--- a/kernel/litmus.c
+++ b/kernel/litmus.c
@@ -394,6 +394,8 @@ void litmus_dummy_task_blocks(struct task_struct *task);
 long litmus_dummy_tear_down(struct task_struct *task);
 int  litmus_dummy_scheduler_setup(int cmd, void __user *parameter);
 long litmus_dummy_sleep_next_period(void);
+long litmus_dummy_enter_np(struct task_struct *task);
+long litmus_dummy_exit_np(struct task_struct *task);
 
 #define CHECK(func) {\
         if (!curr_sched_plugin->func) \
@@ -439,6 +441,8 @@ out:
         CHECK(prepare_task);
         CHECK(scheduler_setup);
         CHECK(sleep_next_period);
+        CHECK(enter_np);
+        CHECK(exit_np);
 
 #ifdef CONFIG_MAGIC_SYSRQ
         /* offer some debugging help */
diff --git a/kernel/sched_plugin.c b/kernel/sched_plugin.c
index fa8339ba78..d8ae03c768 100644
--- a/kernel/sched_plugin.c
+++ b/kernel/sched_plugin.c
@@ -58,6 +58,15 @@ long litmus_dummy_tear_down(struct task_struct *task)
         return 0;
 }
 
+long litmus_dummy_enter_np(struct task_struct *task)
+{
+        return -EPERM;
+}
+
+long litmus_dummy_exit_np(struct task_struct *task)
+{
+        return -EPERM;
+}
 
 int litmus_dummy_scheduler_setup(int cmd, void __user *parameter)
 {