linux-kernel - Re: [PATCH RFC V2 1/2] kvm vcpu: Note down pause loop exit

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Message-ID: <4FFC8516.7070601@redhat.com>
Date:	Tue, 10 Jul 2012 15:40:06 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>
CC:	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Avi Kivity <avi@...hat.com>, Ingo Molnar <mingo@...hat.com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	S390 <linux-s390@...r.kernel.org>,
	Carsten Otte <cotte@...ibm.com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	KVM <kvm@...r.kernel.org>, chegu vinod <chegu_vinod@...com>,
	"Andrew M. Theurer" <habanero@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>, X86 <x86@...nel.org>,
	Gleb Natapov <gleb@...hat.com>, linux390@...ibm.com,
	Srivatsa Vaddagiri <srivatsa.vaddagiri@...il.com>,
	Joerg Roedel <joerg.roedel@....com>
Subject: Re: [PATCH RFC V2 1/2] kvm vcpu: Note down pause loop exit

On 07/10/2012 03:31 PM, Raghavendra K T wrote:
> From: Raghavendra K T<raghavendra.kt@...ux.vnet.ibm.com>
>
> Noting pause loop exited vcpu helps in filtering right candidate to yield.
> Yielding to same vcpu may result in more wastage of cpu.
>
> Signed-off-by: Raghavendra K T<raghavendra.kt@...ux.vnet.ibm.com>

Reviewed-by: Rik van Riel <riel@...hat.com>

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