linux-kernel - Re: [PATCH v2 1/7] KVM: MMU: optimize pte write path if don't have protected sp

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Message-ID: <4DD1098E.2070701@redhat.com>
Date:	Mon, 16 May 2011 14:25:02 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH v2 1/7] KVM: MMU: optimize pte write path if don't have
 protected sp

On 05/15/2011 06:20 PM, Xiao Guangrong wrote:
> Simply return from kvm_mmu_pte_write path if no shadow page is
> write-protected, then we can avoid to walk all shadow pages and hold
> mmu-lock

Patchset looks like a very good cleanup (plus the nice optimization in 
patch 1).

-- 
error compiling committee.c: too many arguments to function

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