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: <20110520154931.GA3627@amt.cnet>
Date:	Fri, 20 May 2011 12:49:32 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
Cc:	Avi Kivity <avi@...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 Sun, May 15, 2011 at 11:20:27PM +0800, 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
> 
> Signed-off-by: Xiao Guangrong <xiaoguangrong@...fujitsu.com>

Applied, thanks.

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