Re: [PATCH v3 2/9] KVM: MMU: abstract spte write-protect

From: Xiao Guangrong
Date: Sat Apr 21 2012 - 00:34:32 EST

On 04/21/2012 09:10 AM, Takuya Yoshikawa wrote:

> On Fri, 20 Apr 2012 18:33:19 -0300
> Marcelo Tosatti <mtosatti@xxxxxxxxxx> wrote:
>> It is preferable to remove all large sptes including read-only ones, the
>> current behaviour, then to verify that no read->write transition can
>> occur in fault paths (fault paths which are increasing in number).
> I think we should use separate function than spte_write_protect() for
> the large case.

I will introduce a function to handle large sptes when i implement the
idea of making writable spte to be read-only.

But, keep it in this patchset first.
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