Re: Enabling RDPMC in user space by default

[Andi Kleen]

> 
> > It would be actually a good idea to disable RDTSC in ring 3 too
> > (because user space usually doesn't have enough information to make
> > good use of it and gets it wrong), but I fear that will break
> > too many applications right now.
> >
> 
> FWIW, I agree here.   We lock down the power state and still use RDTSC for 
> some timing things.

You should replace that with RDPMC 0 once I did the change IMHO.

-Andi
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