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H A Dsched_ule.cdiff 171713 Fri Aug 03 21:38:46 MDT 2007 jeff - 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

Completed in 138 milliseconds