Re: [Xen-devel][PATCH] unshadow the page table page which are used as data page

[Tim Deegan <Tim.Deegan@xxxxxxxxxx>]

At 14:39 +0000 on 07 Dec (1197038381), Tim Deegan wrote:
> Hmmm.  The new behaviour is slightly nonintuitive, as it lets the guest
> write non-present entries without unshadowing only if the bits that
> would have been the GFN are in fact a valid GFN (which happens to
> include zero).  I think it's OK, but needs a comment.

On second thoughts, since the emulator change will be doing this check
anyway, best to leave the validate functions alone entirely.

Cheers,

Tim. 

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems.
[Company #5334508: XenSource UK Ltd, reg'd c/o EC2Y 5EB, UK.]

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