Re: [kvm-unit-tests PATCH v4 9/9] nVMX: Add forced emulation variant of #PF access test

[Sean Christopherson <seanjc@google.com>]

On Tue, Apr 04, 2023, Sean Christopherson wrote:
> Add a forced emulation variant of vmx_pf_exception_test to exercise KVM
> emulation of L2 instructions and accesses.  Like the non-nested version,
> make the test nodefault as forcing KVM to emulate drastically increases
> the runtime.
> 
> Signed-off-by: Sean Christopherson <seanjc@google.com>
> ---
>  x86/unittests.cfg |  6 ++++++
>  x86/vmx_tests.c   | 25 ++++++++++++++++++++-----
>  2 files changed, 26 insertions(+), 5 deletions(-)
> 
> diff --git a/x86/unittests.cfg b/x86/unittests.cfg
> index c878363e..0971bb3f 100644
> --- a/x86/unittests.cfg
> +++ b/x86/unittests.cfg
> @@ -409,6 +409,12 @@ extra_params = -cpu max,+vmx -append "vmx_pf_exception_test"
>  arch = x86_64
>  groups = vmx nested_exception
>  
> +[vmx_pf_exception_test_fep]
> +file = vmx.flat
> +extra_params = -cpu max,+vmx -append "vmx_pf_exception_forced_emulation_test"
> +arch = x86_64
> +groups = vmx nested_exception nodefault

And I forgot how the nVMX "test" works.  vmx_pf_exception_forced_emulation_test
needs to be explicitly filtered out of the primary "vmx" test config.