[rtems commit] score: Remove superfluous SMP debug support

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    29594b4dbc011c0a768395acaf8afc59c512c164
Changeset: http://git.rtems.org/rtems/commit/?id=29594b4dbc011c0a768395acaf8afc59c512c164

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Wed Sep  7 09:27:59 2016 +0200

score: Remove superfluous SMP debug support

This information turned out to be useless in the last couple of months.

---

 cpukit/score/include/rtems/score/schedulersmpimpl.h |  3 ---
 cpukit/score/include/rtems/score/thread.h           |  8 --------
 cpukit/score/include/rtems/score/threadimpl.h       | 13 -------------
 cpukit/score/src/threaddispatch.c                   |  2 --
 cpukit/score/src/threadhandler.c                    |  8 ++------
 cpukit/score/src/threadinitialize.c                 |  2 --
 6 files changed, 2 insertions(+), 34 deletions(-)

diff --git a/cpukit/score/include/rtems/score/schedulersmpimpl.h b/cpukit/score/include/rtems/score/schedulersmpimpl.h
index f2c9919..ae1941a 100644
--- a/cpukit/score/include/rtems/score/schedulersmpimpl.h
+++ b/cpukit/score/include/rtems/score/schedulersmpimpl.h
@@ -472,9 +472,6 @@ static inline void _Scheduler_SMP_Allocate_processor_lazy(
       );
     } else {
       /* We have to force a migration to our processor set */
-      _Assert(
-        scheduled_thread->Scheduler.debug_real_cpu->heir != scheduled_thread
-      );
       heir = scheduled_thread;
     }
   } else {
diff --git a/cpukit/score/include/rtems/score/thread.h b/cpukit/score/include/rtems/score/thread.h
index 44080f3..6104ba0 100644
--- a/cpukit/score/include/rtems/score/thread.h
+++ b/cpukit/score/include/rtems/score/thread.h
@@ -672,14 +672,6 @@ typedef struct {
    * @brief The processor assigned by the current scheduler.
    */
   struct Per_CPU_Control *cpu;
-
-#if defined(RTEMS_DEBUG)
-  /**
-   * @brief The processor on which this thread executed the last time or is
-   * executing.
-   */
-  struct Per_CPU_Control *debug_real_cpu;
-#endif
 #endif
 } Thread_Scheduler_control;
 
diff --git a/cpukit/score/include/rtems/score/threadimpl.h b/cpukit/score/include/rtems/score/threadimpl.h
index 965b2d1..2e33539 100644
--- a/cpukit/score/include/rtems/score/threadimpl.h
+++ b/cpukit/score/include/rtems/score/threadimpl.h
@@ -1658,19 +1658,6 @@ RTEMS_INLINE_ROUTINE void _Thread_Remove_timer_and_unblock(
 #endif
 }
 
-RTEMS_INLINE_ROUTINE void _Thread_Debug_set_real_processor(
-  Thread_Control  *the_thread,
-  Per_CPU_Control *cpu
-)
-{
-#if defined(RTEMS_SMP) && defined(RTEMS_DEBUG)
-  the_thread->Scheduler.debug_real_cpu = cpu;
-#else
-  (void) the_thread;
-  (void) cpu;
-#endif
-}
-
 /** @}*/
 
 #ifdef __cplusplus
diff --git a/cpukit/score/src/threaddispatch.c b/cpukit/score/src/threaddispatch.c
index 5a9c566..08e96bc 100644
--- a/cpukit/score/src/threaddispatch.c
+++ b/cpukit/score/src/threaddispatch.c
@@ -119,8 +119,6 @@ void _Thread_Do_dispatch( Per_CPU_Control *cpu_self, ISR_Level level )
      */
     cpu_self = _Per_CPU_Get();
 
-    _Thread_Debug_set_real_processor( executing, cpu_self );
-
 #if !defined( RTEMS_SMP )
     _ISR_Local_disable( level );
 #endif
diff --git a/cpukit/score/src/threadhandler.c b/cpukit/score/src/threadhandler.c
index 9f004b9..5d33f43 100644
--- a/cpukit/score/src/threadhandler.c
+++ b/cpukit/score/src/threadhandler.c
@@ -37,12 +37,8 @@ void _Thread_Handler( void )
    */
   _Context_Initialization_at_thread_begin();
 
-  #if defined(RTEMS_SMP)
-    /* On SMP we enter _Thread_Handler() with interrupts disabled */
-    _Assert( _ISR_Get_level() != 0 );
-
-    _Thread_Debug_set_real_processor( executing, _Per_CPU_Get() );
-  #endif
+  /* On SMP we enter _Thread_Handler() with interrupts disabled */
+  _SMP_Assert( _ISR_Get_level() != 0 );
 
   /*
    * have to put level into a register for those cpu's that use
diff --git a/cpukit/score/src/threadinitialize.c b/cpukit/score/src/threadinitialize.c
index 8b5d943..90f58e6 100644
--- a/cpukit/score/src/threadinitialize.c
+++ b/cpukit/score/src/threadinitialize.c
@@ -191,8 +191,6 @@ bool _Thread_Initialize(
   _SMP_lock_Stats_initialize( &the_thread->Potpourri_stats, "Thread Potpourri" );
 #endif
 
-  _Thread_Debug_set_real_processor( the_thread, cpu );
-
   /* Initialize the CPU for the non-SMP schedulers */
   _Thread_Set_CPU( the_thread, cpu );