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[Xen-devel] Re: [RFC] [PATCH] xen, vtd: Check ownership of a domain context using internal structures

>>> On 27.07.11 at 12:36, George Dunlap <George.Dunlap@xxxxxxxxxxxxx> wrote:
> Keir, Jan, et al:
> Can you take a look at this patch to see if you think this is the
> right way to solve this problem?

Makes sense, and looks reasonable to me (though I'm far from being
a passthrough expert).

> This particular patch is still being tested by the partner who saw the
> problem; but a less safe change -- just returning "OK" if the pci
> device didn't exist -- did solve the problem.  It seemed like this
> check was probably there for a reason, so I wanted to keep it in
> place.  (Although the c/s in which this check was introduced,
> 18906:2941b1a9, only mentioned locking changes, not introduction of
> new checks.)

Yes, retaining the check is definitely needed.


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