Re: [PATCH net-next] xen-netback: get rid of old udev related code

[David Miller]

From: Paul Durrant <pdurrant@xxxxxxxxxx>
Date: Thu, 12 Dec 2019 13:54:06 +0000

> In the past it used to be the case that the Xen toolstack relied upon
> udev to execute backend hotplug scripts. However this has not been the
> case for many releases now and removal of the associated code in
> xen-netback shortens the source by more than 100 lines, and removes much
> complexity in the interaction with the xenstore backend state.
> 
> NOTE: xen-netback is the only xenbus driver to have a functional uevent()
>       method. The only other driver to have a method at all is
>       pvcalls-back, and currently pvcalls_back_uevent() simply returns 0.
>       Hence this patch also facilitates further cleanup.
> 
> Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx>

If userspace ever used this stuff, I seriously doubt you can remove this
even if it hasn't been used in 5+ years.

Sorry.