[rtems commit] score: Add SMP scheduler idle exchange callback

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    3781709f2846d43f14fcaca191b36dfc6164eec7
Changeset: http://git.rtems.org/rtems/commit/?id=3781709f2846d43f14fcaca191b36dfc6164eec7

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Wed Oct 20 08:24:24 2021 +0200

score: Add SMP scheduler idle exchange callback

Update #4531.

---

 cpukit/include/rtems/score/schedulersmpimpl.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/cpukit/include/rtems/score/schedulersmpimpl.h b/cpukit/include/rtems/score/schedulersmpimpl.h
index 499cff5..04019a1 100644
--- a/cpukit/include/rtems/score/schedulersmpimpl.h
+++ b/cpukit/include/rtems/score/schedulersmpimpl.h
@@ -847,6 +847,12 @@ static inline void _Scheduler_SMP_Enqueue_to_scheduled(
     ( *insert_scheduled )( context, node, priority );
 
     _Scheduler_Exchange_idle_thread( node, lowest_scheduled );
+    ( *allocate_processor )(
+      context,
+      node,
+      lowest_scheduled,
+      _Thread_Get_CPU( _Scheduler_Node_get_user( node ) )
+    );
   } else {
     _Assert( action == SCHEDULER_TRY_TO_SCHEDULE_DO_BLOCK );
     _Scheduler_SMP_Node_change_state( node, SCHEDULER_SMP_NODE_BLOCKED );
@@ -1021,6 +1027,12 @@ static inline void _Scheduler_SMP_Enqueue_scheduled(
       ( *insert_ready )( context, node, insert_priority );
 
       _Scheduler_Exchange_idle_thread( highest_ready, node );
+      ( *allocate_processor )(
+        context,
+        highest_ready,
+        node,
+        _Thread_Get_CPU( _Scheduler_Node_get_user( highest_ready ) )
+      );
       return;
     } else {
       _Assert( action == SCHEDULER_TRY_TO_SCHEDULE_DO_BLOCK );
@@ -1111,6 +1123,12 @@ static inline void _Scheduler_SMP_Schedule_highest_ready(
       ( *move_from_ready_to_scheduled )( context, highest_ready );
 
       _Scheduler_Exchange_idle_thread( highest_ready, victim );
+      ( *allocate_processor )(
+        context,
+        highest_ready,
+        victim,
+        _Thread_Get_CPU( _Scheduler_Node_get_user( highest_ready ) )
+      );
     } else {
       _Assert( action == SCHEDULER_TRY_TO_SCHEDULE_DO_BLOCK );
 
@@ -1184,6 +1202,7 @@ static inline void _Scheduler_SMP_Preempt_and_schedule_highest_ready(
       ( *move_from_ready_to_scheduled )( context, highest_ready );
 
       _Scheduler_Exchange_idle_thread( highest_ready, victim );
+      ( *allocate_processor )( context, highest_ready, victim, _Thread_Get_CPU( _Scheduler_Node_get_user( highest_ready ) ) );
     } else {
       _Assert( action == SCHEDULER_TRY_TO_SCHEDULE_DO_BLOCK );