[OASIS Issue Tracker] (VIRTIO-143) balloon: allow transitional devices

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

Michael Tsirkin created VIRTIO-143:
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             Summary: balloon: allow transitional devices
                 Key: VIRTIO-143
                 URL: https://issues.oasis-open.org/browse/VIRTIO-143
             Project: OASIS Virtual I/O Device (VIRTIO) TC
          Issue Type: Bug
    Affects Versions: virtio 1.0 cs02
            Reporter: Michael Tsirkin


Virtio 1.0 cs02 doesn't include a modern balloon device.  At some
point we'll likely define an incompatible interface with a
different ID and different semantics.  But for now, it's not a
big effort to support a transitional balloon device: this has the
advantage of supporting existing drivers, transparently, as well
as transports that don't allow mixing virtio 0 and virtio 1
devices. And balloon is an easy device to test, so it's also
useful for people to test virtio core handling of transitional
devices.




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