Re: [PATCH] pseries: disable migration-test if /dev/kvm cannot be used

[Laurent Vivier]

On 21/11/2019 08:18, Juan Quintela wrote:
> Laurent Vivier <address@hidden> wrote:
>> On ppc64, migration-test only works with kvm_hv, and we already
>> have a check to verify the module is loaded.
>>
>> kvm_hv module can be loaded in memory and /sys/module/kvm_hv exists,
>> but on some systems (like build systems) /dev/kvm can be missing
>> (by administrators choice).
>>
>> And as kvm_hv exists test-migration is started but QEMU falls back to
>> TCG because it cannot be used:
>>
>>     Could not access KVM kernel module: No such file or directory
>>     failed to initialize KVM: No such file or directory
>>     Back to tcg accelerator
>>
>> And as the test is done with TCG, it fails.
>>
>> As for s390x, we must check for the existence and the access rights
>> of /dev/kvm.
>>
>> Reported-by: Cole Robinson <address@hidden>
>> Signed-off-by: Laurent Vivier <address@hidden>
> 
> Reviewed-by: Juan Quintela <address@hidden>
> 
> Oh, why it is so difficult!!!
> 
> Thanks, Juan.
> 

David,

could you add this one too to your ppc-for-4.2 queue?

Thanks,
Laurent