Re: [kvm-unit-tests PATCH v2 1/1] s390x: add migration test for storage keys

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On Tue, 2022-05-17 at 10:17 +0200, Nico Boehr wrote:
> On Mon, 2022-05-16 at 18:47 +0200, Janis Schoetterl-Glausch wrote:
> > On 5/16/22 11:07, Nico Boehr wrote:

[...]

> > > +               expected_key.val = i * 2;
> > > +
> > > +               /* ignore reference bit */
> > 
> > Why? Are there any implicit references I'm missing?
> 
> Since the PoP specifies (p. 5-122):
> 
> "The record of references provided by the reference
> bit is not necessarily accurate. However, in the major-
> ity of situations, reference recording approximately
> coincides with the related storage reference."
> 
> I don't really see a way to test this properly.
> 
> Maybe I missed something?

No I think you're right, although in practice the reference bits should
match. Or did you observe a mismatch?



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