[PATCH 10/12] smp: Optimize Simple SMP scheduler

[Gedare Bloom]

That's good with me. I assumed you wanted to somehow encode both
"!is_scheduled && is_transient" in this "is_in_the_air", but if all
you need is to know when the thread is transient, then we should use
"is_transient".

On Mon, Aug 19, 2013 at 4:25 AM, Sebastian Huber
<sebastian.huber at embedded-brains.de> wrote:
> On 2013-08-14 17:41, Gedare Bloom wrote:
>>>
>>> diff --git a/cpukit/score/include/rtems/score/thread.h
>>> b/cpukit/score/include/rtems/score/thread.h
>>> >index d346ead..984bc0e 100644
>>> >--- a/cpukit/score/include/rtems/score/thread.h
>>> >+++ b/cpukit/score/include/rtems/score/thread.h
>>> >@@ -378,6 +378,16 @@ struct Thread_Control_struct {
>>> >    bool                                  is_scheduled;
>>> >
>>> >    /**
>>> >+   * @brief This field is true if the thread is in the air.
>>> >+   *
>>> >+   * A thread is in the air if it is in a transient state.  The extract
>>> >+   * operation on a scheduled thread will produce threads in the air.
>>> > Such
>>> >+   * threads are no longer on the scheduled chain, but are still
>>> > allocated to a
>>> >+   * processor.  The next enqueue or schedule operation will decide
>>> > what to do.
>>> >+   */
>>> >+  bool                                  is_in_the_air;
>>> >+
>>
>> At first I did not like this term "in the air" but I cannot think of a
>> better term right now.
>>
>
> What about "is_transient"?  This state is produced by
> _Thread_Set_transient().
>
>
> --
> Sebastian Huber, embedded brains GmbH
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