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score: Simplify _SMP_Multicast_action()

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Move resposibility to disable thread dispatching to the caller of
_SMP_Multicast_action().  Using an interrupt disable for this purpose is
questionable.
This commit is contained in:
Sebastian Huber
2019-04-18 07:08:32 +02:00
parent 7fdf48aaf2
commit 3b2481f9a7
4 changed files with 37 additions and 35 deletions
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25
bsps/shared/cache/cacheimpl.h vendored
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@@ -85,6 +85,7 @@
#if defined(RTEMS_SMP) && defined(CPU_CACHE_NO_INSTRUCTION_CACHE_SNOOPING)
#include <rtems/score/smpimpl.h>
#include <rtems/score/threaddispatch.h>
#endif
#if CPU_DATA_CACHE_ALIGNMENT > CPU_CACHE_LINE_BYTES
@@ -283,6 +284,26 @@ static void smp_cache_inst_inv_all(void *arg)
_CPU_cache_invalidate_entire_instruction();
}
static void smp_cache_broadcast( SMP_Action_handler handler, void *arg )
{
uint32_t isr_level;
Per_CPU_Control *cpu_self;
isr_level = _ISR_Get_level();
if ( isr_level == 0 ) {
cpu_self = _Thread_Dispatch_disable();
} else {
cpu_self = _Per_CPU_Get();
}
_SMP_Broadcast_action( handler, arg );
if ( isr_level == 0 ) {
_Thread_Dispatch_enable( cpu_self );
}
}
#endif
/*
@@ -329,7 +350,7 @@ rtems_cache_invalidate_multiple_instruction_lines(
#if defined(RTEMS_SMP) && defined(CPU_CACHE_NO_INSTRUCTION_CACHE_SNOOPING)
smp_cache_area area = { i_addr, n_bytes };
_SMP_Broadcast_action( smp_cache_inst_inv, &area );
smp_cache_broadcast( smp_cache_inst_inv, &area );
#else
_CPU_cache_invalidate_instruction_range( i_addr, n_bytes );
#endif
@@ -345,7 +366,7 @@ rtems_cache_invalidate_entire_instruction( void )
{
#if defined(CPU_INSTRUCTION_CACHE_ALIGNMENT)
#if defined(RTEMS_SMP) && defined(CPU_CACHE_NO_INSTRUCTION_CACHE_SNOOPING)
_SMP_Broadcast_action( smp_cache_inst_inv_all, NULL );
smp_cache_broadcast( smp_cache_inst_inv_all, NULL );
#else
_CPU_cache_invalidate_entire_instruction();
#endif