linux-kernel - Re: [PATCH 4/7] KVM: MMU: don't mark pte notrap if it's just sync transient

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Message-ID: <20100611201420.GD12317@amt.cnet>
Date:	Fri, 11 Jun 2010 17:14:20 -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 list <kvm@...r.kernel.org>
Subject: Re: [PATCH 4/7] KVM: MMU: don't mark pte notrap if it's just sync
 transient

On Fri, Jun 11, 2010 at 09:31:38PM +0800, Xiao Guangrong wrote:
> If the sync-sp just sync transient, don't mark its pte notrap
> 
> Signed-off-by: Xiao Guangrong <xiaoguangrong@...fujitsu.com>
> ---
>  arch/x86/include/asm/kvm_host.h |    2 +-
>  arch/x86/kvm/mmu.c              |   11 ++++-------
>  arch/x86/kvm/paging_tmpl.h      |    5 +++--
>  3 files changed, 8 insertions(+), 10 deletions(-)

Xiao,

Can you explain the reasoning for this? 

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