Messages in this thread | | | From | "Luck, Tony" <> | Subject | RE: [PATCH 0/6] x86/cpu hotplug: Wake up offline CPU via mwait or nmi | Date | Mon, 4 Jun 2012 20:18:42 +0000 |
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> I'm working on a proper state machine driven online/offline sequence, > where you can put the cpu into an intermediate state which avoids > bringing it down completely. This is enough to get the full > powersaving benefits w/o having to go through all the synchronization > states of a full online/offline. That will shorten the onlining time > of an previously offlined cpu to almost nothing.
Will this also be a step towards Fenghua's goal of being able to take cpu#0 away. I.e. will your state machine be fully symmetric and allow for cpu#0 to enter this intermediate mostly-offline state?
-Tony
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