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Date:   Wed, 14 Sep 2022 11:45:14 +0200
From:   Juergen Gross <>
To:     Paul Durrant <>,,
Cc:     Wei Liu <>,
        "David S. Miller" <>,
        Eric Dumazet <>,
        Jakub Kicinski <>,
        Paolo Abeni <>,
        Marek Marczykowski-Górecki 
Subject: Re: [PATCH net] xen-netback: only remove 'hotplug-status' when the
 vif is actually destroyed

On 01.09.22 13:55, Paul Durrant wrote:
> Removing 'hotplug-status' in backend_disconnected() means that it will be
> removed even in the case that the frontend unilaterally disconnects (which
> it is free to do at any time). The consequence of this is that, when the
> frontend attempts to re-connect, the backend gets stuck in 'InitWait'
> rather than moving straight to 'Connected' (which it can do because the
> hotplug script has already run).
> Instead, the 'hotplug-status' mode should be removed in netback_remove()
> i.e. when the vif really is going away.
> Fixes: 0f4558ae9187 ("Revert "xen-netback: remove 'hotplug-status' once it has served its purpose"")
> Signed-off-by: Paul Durrant <>

Reviewed-by: Juergen Gross <>


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