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Re: [Xen-devel] [PATCH RFC V8 0/17] Paravirtualized ticket spinlocks

* Avi Kivity <avi@xxxxxxxxxx> [2012-05-07 16:49:25]:

> > Deferring preemption (when vcpu is holding lock) may give us better than 
> > 1-3% 
> > results on PLE hardware. Something worth trying IMHO.
> Is the improvement so low, because PLE is interfering with the patch, or
> because PLE already does a good job?

I think its latter (PLE already doing a good job). 

- vatsa

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