Re: [kvm-unit-tests PATCH v2] powerpc: Add tests for sPAPR h-calls

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On Tue, Mar 01, 2016 at 01:06:11PM +0100, Thomas Huth wrote:
> On 01.03.2016 12:51, Laurent Vivier wrote:
> > 
> > 
> > On 01/03/2016 11:08, Thomas Huth wrote:
> >> Introduce a test for sPAPR hypercalls, starting with the
> >> three hypercalls H_SET_SPRG0, H_PAGE_INIT and H_RANDOM.
> >>
> >> Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx>
> > 
> > A xouple of stupid questions:
> > 
> > Is that normal they are all failing?
> > 
> > FAIL: hypercall: h_set_sprg0: sprg0 = 0xcafebabedeadbeef
> > FAIL: hypercall: h_set_sprg0: sprg0 = 0xaaaaaaaa55555555
> > FAIL: hypercall: h_set_sprg0: sprg0 = 0x0
> > FAIL: hypercall: h_page_init: h_zero_page
> > FAIL: hypercall: h_page_init: h_copy_page
> > FAIL: hypercall: h_page_init: h_copy_page+h_zero_page
> > FAIL: hypercall: h_page_init: h_zero_page unaligned dst
> > FAIL: hypercall: h_page_init: h_copy_page unaligned src
> > 
> > SUMMARY: 8 tests, 8 unexpected failures
> 
> Did you use the very latest git version of QEMU? ... these two
> hypercalls have just been added recently, so the tests fail if your QEMU
> does not support them yet.
> 
> > Is it possible to have a message for the H_RANDOM test, something like
> > "not supported"?
> 
> I initially had something like that in my code, but the output like
> 
>  PASS: hypercall: h_random: not supported
> 
> then also looks somewhat strange ...
> 
> Is there already a common sense how to (not) report missing and thus
> untestable features in kvm-unit-tests? Something like
> 
>  SKIP: hypercall: h_random: not supported
> 
> would be posh, I think...

We have XFAIL (instead of SKIP). So you could maybe do something like

 report_xfail(fmt, !is_supported, test_passed, ...)

Thanks,
drew 
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