Re: [PATCH] a patch to fix the cpu-offline-online problem causedby pm_idle

[Peter Zijlstra]

On Mon, 2011-01-31 at 09:10 -0500, Luming Yu wrote:
> 
> My understanding is if the heart of the problem is triggered by some
> hardware defects.
> And we could have no other clean option than a solution I proposed
> here. 

Well, a cleaner option is to limit NHM-EX hardware to C1 and simply
dis-allow anything deeper on it.

> Yes, I agree before say yes to a "workaround", we need to understand
> exactly what those side effects are. I will try to do research on all
> side effects caused by the ipi and c3 latency to tickless and highres
> kernel after one week vacation starting from Feb 1st.
> 
OK, great! and enjoy your time away from the computer ;-)

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