Re: [kvm-unit-tests RFC] s390x: Add Protected VM support

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On Wed, May 06, 2020 at 04:03 PM +0200, Janosch Frank <frankja@xxxxxxxxxxxxx> wrote:
> On 5/6/20 2:46 PM, Marc Hartmayer wrote:
>> Add support for Protected Virtual Machine (PVM) tests. For starting a
>> PVM guest we must be able to generate a PVM image by using the
>> `genprotimg` tool from the s390-tools collection. This requires the
>> ability to pass a machine-specific host-key document, so the option
>> `--host-key-document` is added to the configure script.
>> 
>> Signed-off-by: Marc Hartmayer <mhartmay@xxxxxxxxxxxxx>

[…snip…]

>>  [intercept]
>>  file = intercept.elf
>> +pv_support = 1
>
> So, let's do this discussion once more:
> Why would we need a opt-in for something which works on all our current
> tests? I'd much rather have a opt-out or just a bail-out when running
> the test like I already implemented for the storage key related
> tests...
>
> I don't see any benefit for this right now other than forcing me to add
> another line to this file that was not needed before..
>

Okay. So shall I add an option ’pv_not_supported’? Or simply assume that
the actual test cases will handle it?

-- 
Kind regards / Beste Grüße
   Marc Hartmayer

IBM Deutschland Research & Development GmbH
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