cvs commit: src/sys/kern kern_switch.c

Julian Elischer julian at elischer.org
Thu Sep 16 10:56:31 PDT 2004



John Baldwin wrote:

>On Thursday 16 September 2004 08:38 am, Dag-Erling Smørgrav wrote:
>  
>
>>Julian Elischer <julian at FreeBSD.org> writes:
>>    
>>
>>>  Log:
>>>  e specific code to revert a partial add ot teh run queue, not
>>>  remrunqueue() which can't handle a partially added thread.
>>>      
>>>
>>begyerpar'n?
>>    
>>
Somehow I deleted part of the commit message in the act  of committing it..
notice that it starts half way through a word..

>The earlier fix to maybe_preempt() would call 'remrunqueue()' to have a thread 
>that is being preempted to removed from its ksegroup runqueue, however, 
>remrunqueue() is for removing the thread from all runqueues, and it is 
>probably not really safe to call that as the thread is not in a full runqueue 
>state so to speak. Thus, Julian inlined specific code to just remove the 
>thread from the ksegroup runqueue.  I do wonder if that code shouldn't at 
>least be consolidated into a function that is called by remrunqueue(), 
>adjustrunqueue(), and maybe_preempt().  Also, the commit message could use a 
>bit more detail. :)
>
>  
>



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