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    SubjectRe: [ofa-general] Re: dst_ifdown breaks infiniband?
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    "Michael S. Tsirkin" <mst@dev.mellanox.co.il> writes:

    >> > Why is neighbour->dev changed here?
    >>
    >> It holds reference to device and prevents its destruction.
    >> If dst is held somewhere, we cannot destroy the device and deadlock
    >> while unregister.
    >
    > BTW, can this ever happen for the loopback device itself?
    > Is it ever unregistered?

    Well I don't think the loopback device is currently but as soon
    as we get network namespace support we will have multiple loopback
    devices and they will get unregistered when we remove the network
    namespace.

    Eric
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