Re: [PATCH kvm-unit-tests v2] s390x: unittests: Use smp parameter

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On 03.04.20 12:12, Andrew Jones wrote:
> On Fri, Apr 03, 2020 at 11:58:02AM +0200, David Hildenbrand wrote:
>> On 03.04.20 11:40, Andrew Jones wrote:
>>> Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx>
>>> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
>>> Reviewed-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
>>> ---
>>>
>>> v2: Really just a repost, but also picked up the tags.
>>
>> (sorry, missed to pick this one up)
>>
>>>
>>>  s390x/unittests.cfg | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/s390x/unittests.cfg b/s390x/unittests.cfg
>>> index 07013b2b8748..aa6d5d96e292 100644
>>> --- a/s390x/unittests.cfg
>>> +++ b/s390x/unittests.cfg
>>> @@ -74,7 +74,7 @@ file = stsi.elf
>>>  
>>>  [smp]
>>>  file = smp.elf
>>> -extra_params =-smp 2
>>> +smp = 2
>>>  
>>>  [sclp-1g]
>>>  file = sclp.elf
>>>
>>
>> Thanks, queued to
>>
>> https://github.com/davidhildenbrand/kvm-unit-tests.git s390x-next
>>
>> On the branch, we also do have
>>
>> [stsi]
>> file = stsi.elf
>> extra_params=-name kvm-unit-test --uuid 0fb84a86-727c-11ea-bc55-0242ac130003 -smp 1,maxcpus=8
>>
>> Can that be expressed similarly?
>>
> 
> It would still work with QEMU if you changed it to
> 
>  extra_params=-name kvm-unit-test --uuid 0fb84a86-727c-11ea-bc55-0242ac130003
>  smp = 1,maxcpus=8
> 
> which is similar to what powerpc has with one of their tests
> 
>  smp = 2,threads=2
> 
> About the only problem I see with that is that we've documented the
> 'smp' unittests parameter as taking a '<num>', and if we want to get
> other KVM userspaces working with kvm-unit-tests then we should try
> to keep our unittests.cfg files VMM agnostic, and stick to its
> documentation.
> 
> IOW, I'd probably leave 'stsi' as is.
> 

Makes sense, thanks!


-- 
Thanks,

David / dhildenb




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