From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Marcelo Tosatti <mtosatti@redhat.com>,
Sheng Yang <sheng@linux.intel.com>,
KVM list <kvm@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] KVM MMU: thinking of shadow page cache
Date: Thu, 01 Apr 2010 17:05:43 +0800 [thread overview]
Message-ID: <4BB461E7.9000109@cn.fujitsu.com> (raw)
In-Reply-To: <4BB1FD69.6040409@redhat.com>
Avi Kivity wrote:
>>
>
> We've considered this in the past, it makes sense. The big question is
> whether any guests actually map the same page table through PDEs with
> different permissions (mapping the same page table through multiple PDEs
> is very common, but always with the same permissions). Do you know of
> any such guest?
I also don't know whether have such guest.
Maybe my idea is no good for current OS, thanks for your comments.
Xiao
next prev parent reply other threads:[~2010-04-01 9:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-30 1:59 [RFC] KVM MMU: thinking of shadow page cache Xiao Guangrong
2010-03-30 13:32 ` Avi Kivity
2010-04-01 9:05 ` Xiao Guangrong [this message]
2010-04-01 9:12 ` Avi Kivity
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