score: Add scheduler to per-CPU information

This makes it possible to adjust the scheduler of a processor at
run-time.

Update #2797.

1 files changed, 16 insertions, 20 deletions

diff --git a/cpukit/score/include/rtems/score/schedulerimpl.h b/cpukit/score/include/rtems/score/schedulerimpl.h
index 8d804bb0e4..de9af50db9 100644
--- a/cpukit/score/include/rtems/score/schedulerimpl.h
+++ b/cpukit/score/include/rtems/score/schedulerimpl.h
@@ -53,28 +53,18 @@ RTEMS_INLINE_ROUTINE Scheduler_Context *_Scheduler_Get_context(
   return scheduler->context;
 }
 
-RTEMS_INLINE_ROUTINE const Scheduler_Control *_Scheduler_Get_by_CPU_index(
-  uint32_t cpu_index
+RTEMS_INLINE_ROUTINE const Scheduler_Control *_Scheduler_Get_by_CPU(
+  const Per_CPU_Control *cpu
 )
 {
 #if defined(RTEMS_SMP)
-  return _Scheduler_Assignments[ cpu_index ].scheduler;
+  return cpu->Scheduler.control;
 #else
-  (void) cpu_index;
-
+  (void) cpu;
   return &_Scheduler_Table[ 0 ];
 #endif
 }
 
-RTEMS_INLINE_ROUTINE const Scheduler_Control *_Scheduler_Get_by_CPU(
-  const Per_CPU_Control *cpu
-)
-{
-  uint32_t cpu_index = _Per_CPU_Get_index( cpu );
-
-  return _Scheduler_Get_by_CPU_index( cpu_index );
-}
-
 /**
  * @brief Acquires the scheduler instance inside a critical section (interrupts
  * disabled).
@@ -673,14 +663,17 @@ RTEMS_INLINE_ROUTINE bool _Scheduler_Should_start_processor(
 
 RTEMS_INLINE_ROUTINE bool _Scheduler_Has_processor_ownership(
   const Scheduler_Control *scheduler,
-  uint32_t cpu_index
+  uint32_t                 cpu_index
 )
 {
 #if defined(RTEMS_SMP)
-  const Scheduler_Assignment *assignment =
-    _Scheduler_Get_assignment( cpu_index );
+  const Per_CPU_Control   *cpu;
+  const Scheduler_Control *scheduler_of_cpu;
+
+  cpu = _Per_CPU_Get_by_index( cpu_index );
+  scheduler_of_cpu = _Scheduler_Get_by_CPU( cpu );
 
-  return assignment->scheduler == scheduler;
+  return scheduler_of_cpu == scheduler;
 #else
   (void) scheduler;
   (void) cpu_index;
@@ -748,8 +741,11 @@ RTEMS_INLINE_ROUTINE bool _Scheduler_default_Set_affinity_body(
 
   for ( cpu_index = 0 ; cpu_index < cpu_count ; ++cpu_index ) {
 #if defined(RTEMS_SMP)
-    const Scheduler_Control *scheduler_of_cpu =
-      _Scheduler_Get_by_CPU_index( cpu_index );
+    const Per_CPU_Control   *cpu;
+    const Scheduler_Control *scheduler_of_cpu;
+
+    cpu = _Per_CPU_Get_by_index( cpu_index );
+    scheduler_of_cpu = _Scheduler_Get_by_CPU( cpu );
 
     ok = ok
       && ( CPU_ISSET_S( (int) cpu_index, cpusetsize, cpuset )