Re: [PATCH v2 1/10] KVM: MMU: fix writable sync sp mapping

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Avi Kivity wrote:

> 
> 
> I think I see.  So, after A, the pages are write protected, but are
> still marked as unsync.  In B, we're testing SP2->unsync, which we plan
> to sync soon, but haven't yet.  So the test for s->unsync is incorrect.
> 

Right.

> So the patch is right.  Thanks for the explanation.  Please update the
> changelog to note that sp->unsync is not reliable during resync, this is
> tricky stuff.
> 

OK, will do it in the next version.
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