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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-05-07 14:02:46 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-05-19 12:00:48 +0200 |
| commit | a816f08478e2fe395062a8114c0654d0624906ae (patch) | |
| tree | 081603c63ed5648cef1fc5b12b7404fdd7bedb09 /cpukit/rtems | |
| parent | score: Remove Giant lock in rtems_clock_tick() (diff) | |
| download | rtems-a816f08478e2fe395062a8114c0654d0624906ae.tar.bz2 | |
score: Fine grained locking for MrsP
Update #2273.
Diffstat (limited to 'cpukit/rtems')
| -rw-r--r-- | cpukit/rtems/src/semobtain.c | 7 | ||||
| -rw-r--r-- | cpukit/rtems/src/semrelease.c | 10 |
2 files changed, 7 insertions, 10 deletions
diff --git a/cpukit/rtems/src/semobtain.c b/cpukit/rtems/src/semobtain.c index 1ebc98bdb7..bda39fa80e 100644 --- a/cpukit/rtems/src/semobtain.c +++ b/cpukit/rtems/src/semobtain.c @@ -59,16 +59,13 @@ rtems_status_code rtems_semaphore_obtain( if ( _Attributes_Is_multiprocessor_resource_sharing( attribute_set ) ) { MRSP_Status mrsp_status; - _Thread_Disable_dispatch(); - _ISR_lock_ISR_enable( &lock_context ); mrsp_status = _MRSP_Obtain( &the_semaphore->Core_control.mrsp, executing, wait, - timeout + timeout, + &lock_context ); - _Thread_Enable_dispatch(); - _Objects_Put_for_get_isr_disable( &the_semaphore->Object ); return _Semaphore_Translate_MRSP_status_code( mrsp_status ); } else #endif diff --git a/cpukit/rtems/src/semrelease.c b/cpukit/rtems/src/semrelease.c index 7e4b98e7de..5d41b6cfae 100644 --- a/cpukit/rtems/src/semrelease.c +++ b/cpukit/rtems/src/semrelease.c @@ -75,13 +75,13 @@ rtems_status_code rtems_semaphore_release( attribute_set = the_semaphore->attribute_set; #if defined(RTEMS_SMP) if ( _Attributes_Is_multiprocessor_resource_sharing( attribute_set ) ) { - _Thread_Disable_dispatch(); - _ISR_lock_ISR_enable( &lock_context ); - MRSP_Status mrsp_status = _MRSP_Release( + MRSP_Status mrsp_status; + + mrsp_status = _MRSP_Release( &the_semaphore->Core_control.mrsp, - _Thread_Get_executing() + _Thread_Executing, + &lock_context ); - _Thread_Enable_dispatch(); return _Semaphore_Translate_MRSP_status_code( mrsp_status ); } else #endif |