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

[Juan Quintela]

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.