[PATCH 08/27] score: Add missing idle thread exchanges

[Sebastian Huber]

Update #4531.
---
 cpukit/include/rtems/score/schedulersmpimpl.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/cpukit/include/rtems/score/schedulersmpimpl.h 
b/cpukit/include/rtems/score/schedulersmpimpl.h
index 944b4fc976..a074b53a16 100644
--- a/cpukit/include/rtems/score/schedulersmpimpl.h
+++ b/cpukit/include/rtems/score/schedulersmpimpl.h
@@ -1098,6 +1098,15 @@ static inline void _Scheduler_SMP_Schedule_highest_ready(
         victim,
         _Scheduler_SMP_Release_idle_thread
       );
+    } else if ( action == SCHEDULER_TRY_TO_SCHEDULE_DO_IDLE_EXCHANGE ) {
+      _Scheduler_SMP_Node_change_state(
+        highest_ready,
+        SCHEDULER_SMP_NODE_SCHEDULED
+      );
+
+      ( *move_from_ready_to_scheduled )( context, highest_ready );
+
+      _Scheduler_Exchange_idle_thread( highest_ready, victim );
     } else {
       _Assert( action == SCHEDULER_TRY_TO_SCHEDULE_DO_BLOCK );
 
@@ -1162,6 +1171,15 @@ static inline void 
_Scheduler_SMP_Preempt_and_schedule_highest_ready(
         victim,
         _Scheduler_SMP_Release_idle_thread
       );
+    } else if ( action == SCHEDULER_TRY_TO_SCHEDULE_DO_IDLE_EXCHANGE ) {
+      _Scheduler_SMP_Node_change_state(
+        highest_ready,
+        SCHEDULER_SMP_NODE_SCHEDULED
+      );
+
+      ( *move_from_ready_to_scheduled )( context, highest_ready );
+
+      _Scheduler_Exchange_idle_thread( highest_ready, victim );
     } else {
       _Assert( action == SCHEDULER_TRY_TO_SCHEDULE_DO_BLOCK );
 
-- 
2.26.2

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