linux-kernel - Re: [PATCH 10/11] qspinlock: Paravirt support

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Date:	Mon, 7 Jul 2014 17:27:34 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	Waiman.Long@...com, tglx@...utronix.de, mingo@...nel.org,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	xen-devel@...ts.xenproject.org, kvm@...r.kernel.org,
	paolo.bonzini@...il.com, boris.ostrovsky@...cle.com,
	paulmck@...ux.vnet.ibm.com, riel@...hat.com,
	torvalds@...ux-foundation.org, raghavendra.kt@...ux.vnet.ibm.com,
	david.vrabel@...rix.com, oleg@...hat.com, gleb@...hat.com,
	scott.norton@...com, chegu_vinod@...com
Subject: Re: [PATCH 10/11] qspinlock: Paravirt support

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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