K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2007-08-03T23:38:46.000000Z
K 7
svn:log
V 490
 - Share scheduler locks between hyper-threaded cores to protect the
   tdq_group structure.  Hyper-threaded cores won't really benefit from
   seperate locks anyway.
 - Seperate out the migration case from sched_switch to simplify the main
   switch code.  We only migrate here if called via sched_bind().
 - When preempted place the preempted thread back in the same queue at
   the head.
 - Improve the cpu group and topology infrastructure.

Tested by:	many on current@
Approved by:	re

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