[PATCH 0/3] cpu: idle state framework for offline CPUs.

Pavel Machek pavel at ucw.cz
Wed Aug 12 21:58:06 EST 2009


> May be having (to pick a number) 3 possible offline states for all
> platforms with one for halt equivalent and one for deepest possible that
> CPU can handle and one for deepest possible that platform likes for
> C-states may make sense. Will keeps things simpler in terms of usage
> expectations and possibly reduce the misuse oppurtubity?

Maybe just going to the deepest offline state automatically is the
easiest option?

cpu hotplug/unplug should be rare-enough operation that the latencies
do not really matter, right?
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