Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

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* Gleb Natapov <gleb@xxxxxxxxxx> wrote:

> On Fri, Aug 02, 2013 at 11:25:39AM +0200, Ingo Molnar wrote:
> > > Ingo,
> > > 
> > > Do you have any concerns reg this series? please let me know if this 
> > > looks good now to you.
> > 
> > I'm inclined to NAK it for excessive quotation - who knows how many 
> > people left the discussion in disgust? Was it done to drive away as 
> > many reviewers as possible?
> > 
> > Anyway, see my other reply, the measurement results seem hard to 
> > interpret and inconclusive at the moment.
>
> That result was only for patch 18 of the series, not pvspinlock in 
> general.

Okay - I've re-read the performance numbers and they are impressive, so no 
objections from me.

The x86 impact seems to be a straightforward API change, with most of the 
changes on the virtualization side. So:

Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>

I guess you'd want to carry this in the KVM tree or so - maybe in a 
separate branch because it changes Xen as well?

Thanks,

	Ingo
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