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SubjectRe: [PATCH v3 0/10] KVM MMU: allow more shadow pages become asynchronous
On Wed, Apr 28, 2010 at 11:54:31AM +0800, Xiao Guangrong wrote:
> Changlog v3:
>
> Those changes all form Avi's suggestion, thanks.
>
> - use smart way to fix the bug in patch 1
> - remove duplicates code in patch 5
> - check error code and fix forgot release page in patch 9
> - sync shadow pages in a batch instead of one by one
>
> And, there is one TODO thing:
> Marker shadow page as unsync at create time avoid write-protect,
> 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
>
> I'll send the patch out after this patchset applied.
>
> Changlog v2:
>
> - when level is PT_DIRECTORY_LEVEL, the 'offset' should be
> 'role.quadrant << 8', thanks Avi for point it out
>
> - keep invlpg code in paging_tmpl.h address Avi's suggestion
>
> - split kvm_sync_page() into kvm_sync_page() and kvm_sync_page_transient()
> to clarify the code address Avi's suggestion

Applied, thanks.



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