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mpci: Avoid Giant lock

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Update #2555.
This commit is contained in:
Sebastian Huber
2016-03-18 15:33:13 +01:00
parent 5a5fb3b9d6
commit 19e855d745
1 changed files with 11 additions and 8 deletions
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19
cpukit/score/src/mpci.c
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@@ -237,16 +237,19 @@ uint32_t _MPCI_Send_request_packet (
uint32_t timeout_code
)
{
Thread_Control *executing = _Thread_Executing;
Per_CPU_Control *cpu_self;
Thread_Control *executing;
the_packet->source_tid = executing->Object.id;
the_packet->source_priority = executing->current_priority;
the_packet->to_convert =
( the_packet->to_convert - sizeof(MP_packet_Prefix) ) / sizeof(uint32_t);
cpu_self = _Thread_Dispatch_disable();
executing->Wait.id = the_packet->id;
executing = _Per_CPU_Get_executing( cpu_self );
_Thread_Disable_dispatch();
the_packet->source_tid = executing->Object.id;
the_packet->source_priority = executing->current_priority;
the_packet->to_convert =
( the_packet->to_convert - sizeof(MP_packet_Prefix) ) / sizeof(uint32_t);
executing->Wait.id = the_packet->id;
(*_MPCI_table->send_packet)( destination, the_packet );
@@ -265,7 +268,7 @@ uint32_t _MPCI_Send_request_packet (
timeout_code
);
_Thread_Enable_dispatch();
_Thread_Dispatch_enable( cpu_self );
return executing->Wait.return_code;
}