diff options
Diffstat (limited to 'cpukit/score/include/rtems/score/userextimpl.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/userextimpl.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/cpukit/score/include/rtems/score/userextimpl.h b/cpukit/score/include/rtems/score/userextimpl.h index e175c9f0a5..e6692c8749 100644 --- a/cpukit/score/include/rtems/score/userextimpl.h +++ b/cpukit/score/include/rtems/score/userextimpl.h @@ -261,8 +261,16 @@ static inline void _User_extensions_Thread_switch( const Chain_Node *node = _Chain_Immutable_first( chain ); if ( node != tail ) { - Per_CPU_Control *cpu_self = _Per_CPU_Get(); + Per_CPU_Control *cpu_self; +#if defined(RTEMS_SMP) + ISR_Level level; +#endif + + cpu_self = _Per_CPU_Get(); +#if defined(RTEMS_SMP) + _ISR_Local_disable( level ); +#endif _Per_CPU_Acquire( cpu_self ); while ( node != tail ) { @@ -275,6 +283,9 @@ static inline void _User_extensions_Thread_switch( } _Per_CPU_Release( cpu_self ); +#if defined(RTEMS_SMP) + _ISR_Local_enable( level ); +#endif } } |