score: Fix scheduler helping implementation

Do not extract the idle threads from the ready set so that there is
always a thread available for comparison.

1 files changed, 6 insertions, 13 deletions

diff --git a/cpukit/score/src/schedulerpriorityaffinitysmp.c b/cpukit/score/src/schedulerpriorityaffinitysmp.c
index 39a0a481ea..41e44a0834 100644
--- a/cpukit/score/src/schedulerpriorityaffinitysmp.c
+++ b/cpukit/score/src/schedulerpriorityaffinitysmp.c
@@ -231,8 +231,7 @@ void _Scheduler_priority_affinity_SMP_Block(
     _Scheduler_priority_SMP_Extract_from_ready,
     _Scheduler_priority_affinity_SMP_Get_highest_ready,
     _Scheduler_priority_SMP_Move_from_ready_to_scheduled,
-    _Scheduler_SMP_Allocate_processor_exact,
-    _Scheduler_priority_SMP_Get_idle_thread
+    _Scheduler_SMP_Allocate_processor_exact
   );
 
   /*
@@ -314,8 +313,7 @@ static Thread_Control *_Scheduler_priority_affinity_SMP_Enqueue_fifo(
     _Scheduler_SMP_Insert_scheduled_fifo,
     _Scheduler_priority_SMP_Move_from_scheduled_to_ready,
     _Scheduler_priority_affinity_SMP_Get_lowest_scheduled,
-    _Scheduler_SMP_Allocate_processor_exact,
-    _Scheduler_priority_SMP_Release_idle_thread
+    _Scheduler_SMP_Allocate_processor_exact
   );
 }
 
@@ -399,8 +397,7 @@ Thread_Control *_Scheduler_priority_affinity_SMP_Unblock(
   needs_help = _Scheduler_SMP_Unblock(
     context,
     thread,
-    _Scheduler_priority_affinity_SMP_Enqueue_fifo,
-    _Scheduler_priority_SMP_Release_idle_thread
+    _Scheduler_priority_affinity_SMP_Enqueue_fifo
   );
 
   /*
@@ -433,8 +430,7 @@ static Thread_Control *_Scheduler_priority_affinity_SMP_Enqueue_ordered(
     insert_scheduled,
     _Scheduler_priority_SMP_Move_from_scheduled_to_ready,
     _Scheduler_priority_affinity_SMP_Get_lowest_scheduled,
-    _Scheduler_SMP_Allocate_processor_exact,
-    _Scheduler_priority_SMP_Release_idle_thread
+    _Scheduler_SMP_Allocate_processor_exact
   );
 }
 
@@ -482,9 +478,7 @@ _Scheduler_priority_affinity_SMP_Enqueue_scheduled_ordered(
     insert_ready,
     insert_scheduled,
     _Scheduler_priority_SMP_Move_from_ready_to_scheduled,
-    _Scheduler_SMP_Allocate_processor_exact,
-    _Scheduler_priority_SMP_Get_idle_thread,
-    _Scheduler_priority_SMP_Release_idle_thread
+    _Scheduler_SMP_Allocate_processor_exact
   );
 }
 
@@ -572,8 +566,7 @@ Thread_Control *_Scheduler_priority_affinity_SMP_Ask_for_help(
     context,
     offers_help,
     needs_help,
-    _Scheduler_priority_affinity_SMP_Enqueue_fifo,
-    _Scheduler_priority_SMP_Release_idle_thread
+    _Scheduler_priority_affinity_SMP_Enqueue_fifo
   );
 
   _Scheduler_priority_affinity_SMP_Check_for_migrations( context );