linux-kernel - Re: [PATCH 09/11] KVM: MMU: remove the mismatch shadow page

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Message-ID: <4E2FE2DA.9040209@cn.fujitsu.com>
Date:	Wed, 27 Jul 2011 18:05:14 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Avi Kivity <avi@...hat.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH 09/11] KVM: MMU: remove the mismatch shadow page

On 07/27/2011 05:13 PM, Avi Kivity wrote:
> On 07/27/2011 12:11 PM, Avi Kivity wrote:
>> On 07/26/2011 02:31 PM, Xiao Guangrong wrote:
>>> If the shadow page has different cpu mode with current vcpu, we do better
>>> remove them since the OS does not changes cpu mode frequently
>>>
>>
>> This is true
> 
> It's actually not true.  With nested virtualization the cpu changes modes all the time.
> 

Oh, yes, i forgot this, thanks point it out!

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