On Thu, Jan 17, 2019 at 01:55:29PM +, Zhuangyanying wrote:
> From: Xiao Guangrong
>
> It is used to track possible writable sptes on the shadow page on
> which the bit is set to 1 for the sptes that are already writable
> or can be locklessly updated to writable on the fast_page_fault
> path,
From: Xiao Guangrong
It is used to track possible writable sptes on the shadow page on
which the bit is set to 1 for the sptes that are already writable
or can be locklessly updated to writable on the fast_page_fault
path, also a counter for the number of possible writable sptes is
introduced to