[libvirt] [PATCH v3 28/30] qemu: Allow forcing VFIO when computing memlock limit

[Cole Robinson]

On 12/2/19 9:26 AM, Michal Privoznik wrote:
> With NVMe disks, one can start a blockjob with a NVMe disk
> that is not visible in domain XML (at least right away). Usually,
> it's fairly easy to override this limitation of
> qemuDomainGetMemLockLimitBytes() - for instance for hostdevs we
> temporarily add the device to domain def, let the function
> calculate the limit and then remove the device. But it's not so
> easy with virStorageSourcePtr - in some cases they don't
> necessarily are attached to a disk. And even if they are it's
> done later in the process and frankly, I find it too complicated
> to be able to use the simple trick we use with hostdevs.
> 
> Signed-off-by: Michal Privoznik <mprivozn at redhat.com>

Reviewed-by: Cole Robinson <crobinso at redhat.com>

- Cole