Re: [PATCH] raise tsc clocksource rating

[Ingo Molnar]

* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

> > if it's inaccurate why are you exposing it to the guest then? Native 
> > only uses the TSC if it's safe and accurate to do so.
> 
> It is used as part of the Xen clocksource as a short term 
> extrapolator, with correction parameters supplied by the hypervisor.  
> It should never be used directly.

that's totally broken then. You cannot create an SMP-safe monotonic 
clocksource via interpolation - native does not do it either. Good thing 
this problem got exposed, it needs to be fixed.

	Ingo
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