Re: [PATCH 6/10] KVM MMU: don't write-protect if have new mapping to unsync page

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On 04/22/2010 09:13 AM, Xiao Guangrong wrote:
If have new mapping to the unsync page(i.e, add a new parent), just
update the page from sp->gfn but not write-protect gfn, and if need
create new shadow page form sp->gfn, we should sync it

Sorry, I don't understand this patch. Can you clarify? for example, the situation before adding the new parent, what the guest action was, and the new situation.

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

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