[RTEMS Project] #4509: Message queue priority dicipline is broken in SMP configurations

[RTEMS trac]

#4509: Message queue priority dicipline is broken in SMP configurations
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  Reporter:  Sebastian Huber  |      Owner:  Sebastian Huber
      Type:  defect           |     Status:  assigned
  Priority:  normal           |  Milestone:  6.1
 Component:  score            |    Version:  4.11
  Severity:  normal           |   Keywords:
Blocked By:                   |   Blocking:
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 The message queue handler uses the thread queue extract operation to
 dequeue a receiver thread. This is wrong in SMP configurations since the
 extract thread queue operation does not ensure FIFO fairness across
 schedulers.  The thread queue surrender operation should be used instead.

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Ticket URL: <http://devel.rtems.org/ticket/4509>
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