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From: Avi Kivity on 30 Apr 2010 14:50
On 04/30/2010 12:03 PM, Xiao Guangrong wrote:
> Allow new shadow page become unsync when is created, then we no need
> write-protect the 'sp->gfn', this idea is from Avi:
>
> |Another interesting case is to create new shadow pages in the unsync
> |state. That can help when the guest starts a short lived process: we
> |can avoid write protecting its pagetables completely
>
>

Any idea how this improves performance? A kernel build has a lot of
short lived processes, might see an improvement there.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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