Re: [PATCH RFC] KVM: busy-spin detector

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* Marcelo Tosatti <mtosatti@xxxxxxxxxx> [2010-06-11 14:46:27]:

> > Interesting approach, is there a reason to tie it in with pause loop
> > exits? 
> 
> Hum, i don't see any. PLE exits provide the same detection, but more
> accurately.
>
> > Can't we do something more generic or even para-virtish.
> 
> This is pretty generic already? Or what do you mean?
> 
> The advantage is it does not require paravirt modifications in the      
> guest (at the expense of guessing what the guest is doing).
>

Agreed, but one needs to depend on newer hardware to get this feature
to work. 

-- 
	Three Cheers,
	Balbir
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