From 189da5f4428356e94182eb1313c6309cfcbddd04 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Tue, 10 Dec 2019 08:26:33 +0100 Subject: score: Optimize _Per_CPU_Get_index() Optimize _Per_CPU_Get_index() in uniprocessor configurations. --- cpukit/include/rtems/score/percpu.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'cpukit/include') diff --git a/cpukit/include/rtems/score/percpu.h b/cpukit/include/rtems/score/percpu.h index c661310a8b..7c95a9649a 100644 --- a/cpukit/include/rtems/score/percpu.h +++ b/cpukit/include/rtems/score/percpu.h @@ -654,10 +654,15 @@ static inline Per_CPU_Control *_Per_CPU_Get_by_index( uint32_t index ) static inline uint32_t _Per_CPU_Get_index( const Per_CPU_Control *cpu ) { +#if defined(RTEMS_SMP) const Per_CPU_Control_envelope *per_cpu_envelope = ( const Per_CPU_Control_envelope * ) cpu; return ( uint32_t ) ( per_cpu_envelope - &_Per_CPU_Information[ 0 ] ); +#else + (void) cpu; + return 0; +#endif } static inline struct _Thread_Control *_Per_CPU_Get_executing( -- cgit v1.2.3