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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-04-11 13:47:50 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-04-12 09:44:44 +0200 |
| commit | e97b7c9a7af2f4e19a8bdeaf13033617f8c4c2b6 (patch) | |
| tree | 579598cfce50f24f2d7450e0c54f1eea6de0a023 /cpukit/score/src/schedulersmp.c | |
| parent | score: Add _ISR_lock_Set_name() (diff) | |
| download | rtems-e97b7c9a7af2f4e19a8bdeaf13033617f8c4c2b6.tar.bz2 | |
score: Use an ISR lock for Per_CPU_Control::Lock
The use of a hand crafted lock for Per_CPU_Control::Lock was necessary
at some point in the SMP support development, but it is no longer
justified.
Diffstat (limited to 'cpukit/score/src/schedulersmp.c')
| -rw-r--r-- | cpukit/score/src/schedulersmp.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/cpukit/score/src/schedulersmp.c b/cpukit/score/src/schedulersmp.c index d68ac4fc8b..a498bda90a 100644 --- a/cpukit/score/src/schedulersmp.c +++ b/cpukit/score/src/schedulersmp.c @@ -14,25 +14,26 @@ void _Scheduler_Request_ask_for_help( Thread_Control *the_thread ) { - ISR_lock_Context lock_context; + ISR_lock_Context scheduler_lock_context; - _Thread_Scheduler_acquire_critical( the_thread, &lock_context ); + _Thread_Scheduler_acquire_critical( the_thread, &scheduler_lock_context ); if ( _Chain_Is_node_off_chain( &the_thread->Scheduler.Help_node ) ) { - Per_CPU_Control *cpu; + Per_CPU_Control *cpu; + ISR_lock_Context per_cpu_lock_context; cpu = _Thread_Get_CPU( the_thread ); - _Per_CPU_Acquire( cpu ); + _Per_CPU_Acquire( cpu, &per_cpu_lock_context ); _Chain_Append_unprotected( &cpu->Threads_in_need_for_help, &the_thread->Scheduler.Help_node ); - _Per_CPU_Release( cpu ); + _Per_CPU_Release( cpu, &per_cpu_lock_context ); _Thread_Dispatch_request( _Per_CPU_Get(), cpu ); } - _Thread_Scheduler_release_critical( the_thread, &lock_context ); + _Thread_Scheduler_release_critical( the_thread, &scheduler_lock_context ); } |