lkml.org 
[lkml]   [2013]   [Aug]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

* Gleb Natapov <gleb@redhat.com> 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@kernel.org>

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


\
 
 \ /
  Last update: 2013-08-05 12:01    [W:0.428 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site