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

[Juan Quintela]

Laurent Vivier <address@hidden> wrote:
> 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?

I was about to ask if you preffered it to go through the migration tree.

David?

Later, Juan.