Marius Strobl c95589317d - Use atomic operations rather than sched_lock for safely assigning pm_active
and pc_pmap for SMP. This is key to allowing adding support for SCHED_ULE.
  Thanks go to Peter Jeremy for additional testing.
- Add support for SCHED_ULE to cpu_switch().

Committed from:	201110DevSummit
2011-10-06 11:01:31 +00:00
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