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SubjectRe: [PATCH 3/6] KVM MMU: optimize/cleanup for marking parent unsync
On 04/12/2010 11:02 AM, Xiao Guangrong wrote:
> - 'vcpu' is not used while mark parent unsync, so remove it
> - if it has alread marked unsync, no need to walk it's parent
>
>

Please separate these two changes.

The optimization looks good. Perhaps it can be done even nicer using
mutually recursive functions (mmu_parent_walk calls mmu_parent_walk_fn
which calls mmu_parent_walk on the parent), but let's not change too
many things at a time.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.



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