linux-kernel - Re: [PATCH v3 3/3] KVM: MMU: retry #PF for softmmu

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Message-ID: <4CF71616.6020302@cn.fujitsu.com>
Date:	Thu, 02 Dec 2010 11:44:22 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Marcelo Tosatti <mtosatti@...hat.com>
CC:	Avi Kivity <avi@...hat.com>, Gleb Natapov <gleb@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH v3 3/3] KVM: MMU: retry #PF for softmmu

On 12/02/2010 09:19 AM, Marcelo Tosatti wrote:
> On Tue, Nov 30, 2010 at 05:37:36PM +0800, Xiao Guangrong wrote:

> 
> Can't you just compare cr3 value? Its harmless to instantiate an spte
> for an unused translation.
> 

It may retry #PF in different mmu context, but i think it's acceptable.
Will update it in next version. Thanks, Marcelo!
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