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From: Marcelo Tosatti <mtosatti@redhat.com>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Avi Kivity <avi@redhat.com>, LKML <linux-kernel@vger.kernel.org>,
	KVM list <kvm@vger.kernel.org>
Subject: Re: [PATCH 4/7] KVM: MMU: don't mark pte notrap if it's just sync transient
Date: Fri, 11 Jun 2010 17:14:20 -0300	[thread overview]
Message-ID: <20100611201420.GD12317@amt.cnet> (raw)
In-Reply-To: <4C123ABA.3000601@cn.fujitsu.com>

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@cn.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? 


  parent reply	other threads:[~2010-06-11 20:35 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-11 13:28 [PATCH 1/7] KVM: MMU: rename 'page' and 'shadow_page' to 'sp' Xiao Guangrong
2010-06-11 13:29 ` [PATCH 2/7] KVM: MMU: cleanup for dirty page judgment Xiao Guangrong
2010-06-11 13:30 ` [PATCH 3/7] KVM: MMU: avoid double write protected in sync page path Xiao Guangrong
2010-06-11 13:31 ` [PATCH 4/7] KVM: MMU: don't mark pte notrap if it's just sync transient Xiao Guangrong
2010-06-11 13:32   ` [PATCH 5/7] KVM: MMU: cleanup for __mmu_unsync_walk() Xiao Guangrong
2010-06-11 13:34     ` [PATCH 6/7] KVM: MMU: clear unsync_child_bitmap completely Xiao Guangrong
2010-06-11 20:14   ` Marcelo Tosatti [this message]
2010-06-12  2:38     ` [PATCH 4/7] KVM: MMU: don't mark pte notrap if it's just sync transient Xiao Guangrong
2010-06-11 13:35 ` [PATCH 7/7] KVM: MMU: don't walk every parent pages while mark unsync Xiao Guangrong
2010-06-11 13:43   ` Xiao Guangrong
2010-06-14 22:07   ` Marcelo Tosatti
2010-06-15  1:32     ` Xiao Guangrong
2010-06-15 20:06       ` Marcelo Tosatti
2010-06-15 20:09       ` Marcelo Tosatti

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