Re: [patch 13/19] GTOD: Mark TSC unusable for highres timers

[Arjan van de Ven]

> 
> Do we? Where?  AFAIK we just do some resetting after cpu frequency
> changes, but on C3 TSC is just disabled globally.
> 
> That is better than it sounds.

is it?
> 
> Most systems don't have C3 right now. And on those that have
> (laptops) it tends to be not that critical because they normally
> don't run workload where gettimeofday() is really time critical
> (and nobody expects them to be particularly fast anyways)

and that got changed when the blade people decided to start using laptop
processors ......

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