Re: [PATCH kvm-unit-tests] svm: Updated cr4 in test_efer to fix report msg

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Am Fr., 18. Juni 2021 um 22:26 Uhr schrieb Jim Mattson <jmattson@xxxxxxxxxx>:
>
> On Fri, Jun 18, 2021 at 12:59 PM Lara Lazier <laramglazier@xxxxxxxxx> wrote:
>
> > My understanding is as follows:
> > The "first" test should succeed with an SVM_EXIT_ERR when EFER.LME and
> > CR0.PG are both
> > non-zero and CR0.PE is zero (so I believe we do not really care
> > whether CR4.PAE is set or not though
> > I might be overlooking something here).
>
> You are overlooking the fact that the test will fail if CR4.PAE is
> clear. If CR4.PAE is 0 *and* CR0.PE is 0, then you can't be sure which
> one triggered the failure.
Oh, yes that makes sense! Thank you for the explanation.
I will move it back up.



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