Re: [PATCH] libxl: force netback to wait for hotplug execution before connecting

[Wei Liu <wei.liu@xxxxxxxxxx>]

On Mon, Jan 24, 2022 at 05:02:48PM +0100, Roger Pau Monne wrote:
> By writing an empty "hotplug-status" xenstore node in the backend path
> libxl can force Linux netback to wait for hotplug script execution
> before proceeding to the 'connected' state.
> 
> This is required so that netback doesn't skip state 2 (InitWait) and
> thus blocks libxl waiting for such state in order to launch the
> hotplug script (see libxl__wait_device_connection).
> 
> Reported-by: James Dingwall <james-xen@xxxxxxxxxxxxxx>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Tested-by: James Dingwall <james-xen@xxxxxxxxxxxxxx>

Reviewed-by: Wei Liu <wei.liu@xxxxxxxxxx>