[libvirt PATCH] qemu_migration: Delete vDPA check

[Jiri Denemark]

On Mon, Jul 18, 2022 at 10:40:56 +0200, Eugenio Perez Martin wrote:
> On Mon, Jul 18, 2022 at 10:25 AM Jiri Denemark <jdenemar at redhat.com> wrote:
> > Which in ideal case would mean only a QMP command (such as
> > hotplugging a non-migratable device) is the only way to add migration
> > blocker. If this is true, than we're safe as libvirt does not allow such
> > commands between qemuMigrationSrcIsAllowed and migration start.
> >
> 
> Ok, that rules out a few bad use cases. I can do a fast lookup to
> check if blockers can be added without the knowledge of libvirt.
> 
> > That said, is there a reason for not implementing the correct solution
> > right away as a separate patch?
> >
> 
> I was not sure if libvirt already had another way to check, for
> example, if the vhost device didn't have VHOST_F_LOG_ALL feature.

I'm not aware of such check, but even if it exists, checking for
migration blockers looks like the right way of doing things anyway.

Jirka