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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-05-02 15:47:57 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-05-05 08:32:58 +0200 |
| commit | 4d906bdac2bc1ce2420ff58958884a40f3657d0f (patch) | |
| tree | 2ba9d187ea14e57abb7e3cf7d5d11ba81d9fca47 /cpukit/score/src/smp.c | |
| parent | score: Add SMP test message handler (diff) | |
| download | rtems-4d906bdac2bc1ce2420ff58958884a40f3657d0f.tar.bz2 | |
score: Use atomic operations for SMP messages
Diffstat (limited to '')
| -rw-r--r-- | cpukit/score/src/smp.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/cpukit/score/src/smp.c b/cpukit/score/src/smp.c index 3094fe31f8..87078887ec 100644 --- a/cpukit/score/src/smp.c +++ b/cpukit/score/src/smp.c @@ -140,14 +140,11 @@ void _SMP_Request_shutdown( void ) _Giant_Drop( self_cpu ); } -void _SMP_Send_message( uint32_t cpu_index, uint32_t message ) +void _SMP_Send_message( uint32_t cpu_index, unsigned long message ) { Per_CPU_Control *cpu = _Per_CPU_Get_by_index( cpu_index ); - ISR_Level level; - _Per_CPU_ISR_disable_and_acquire( cpu, level ); - cpu->message |= message; - _Per_CPU_Release_and_ISR_enable( cpu, level ); + _Atomic_Fetch_or_ulong( &cpu->message, message, ATOMIC_ORDER_RELAXED ); _CPU_SMP_Send_interrupt( cpu_index ); } |