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

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Message-ID: <51FF8180.10207@linux.vnet.ibm.com>
Date:	Mon, 05 Aug 2013 16:12:08 +0530
From:	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
To:	Ingo Molnar <mingo@...nel.org>
CC:	Gleb Natapov <gleb@...hat.com>, mingo@...hat.com, x86@...nel.org,
	tglx@...utronix.de, jeremy@...p.org, konrad.wilk@...cle.com,
	hpa@...or.com, pbonzini@...hat.com, linux-doc@...r.kernel.org,
	habanero@...ux.vnet.ibm.com, xen-devel@...ts.xensource.com,
	peterz@...radead.org, mtosatti@...hat.com,
	stefano.stabellini@...citrix.com, andi@...stfloor.org,
	attilio.rao@...rix.com, ouyang@...pitt.edu, gregkh@...e.de,
	agraf@...e.de, chegu_vinod@...com, torvalds@...ux-foundation.org,
	avi.kivity@...il.com, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, riel@...hat.com, drjones@...hat.com,
	virtualization@...ts.linux-foundation.org,
	srivatsa.vaddagiri@...il.com
Subject: Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for
 linux guests running on KVM hypervisor


>> 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@...nel.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?
>

Thank you Ingo for taking a relook.

Gleb, Please let me know if you want me to resend the first 17 patches
with acked-bys. i.e excluding the 18th patch.




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