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Re: [Xen-devel] [PATCH 10/11] qspinlock: Paravirt support

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Mon, 7 Jul 2014 17:27:34 +0200
Cc: Waiman.Long@xxxxxx, linux-arch@xxxxxxxxxxxxxxx, gleb@xxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx, scott.norton@xxxxxx, raghavendra.kt@xxxxxxxxxxxxxxxxxx, paolo.bonzini@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, chegu_vinod@xxxxxx, david.vrabel@xxxxxxxxxx, oleg@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, paulmck@xxxxxxxxxxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, mingo@xxxxxxxxxx
Delivery-date: Mon, 07 Jul 2014 15:27:45 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Fri, Jun 20, 2014 at 09:46:08AM -0400, Konrad Rzeszutek Wilk wrote:
> I dug in the code and I have some comments about it, but before
> I post them I was wondering if you have any plans to run any performance
> tests against the PV ticketlock with normal and over-committed scenarios?

I can barely boot a guest.. I'm not sure I can make them do anything
much at all yet. All this virt crap is totally painful.

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