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SubjectRe: [PATCH 2/4] timer: relax tick stop in idle entry
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On 11/16/2015 3:28 PM, Paul E. McKenney wrote:

> Is this mostly an special-purpose embedded thing, or do you expect distros
> to be enabling this? If the former, I suggest CONFIG_RCU_NOCB_CPU_ALL,
> but if distros are doing this for general-purpose workloads, I instead
> suggest CONFIG_RCU_FAST_NO_HZ.

thermal overload happens a lot on small devices, but sadly also in big datacenters
where it is not uncommon to underprovision cooling capacity by a bit
(it's one of those "99% of the time you only need THIS much, the 1% you need 30% more"
and that more is expensive or even impractical)


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