Re: [PATCH v7 1/6] fieldbus_dev: add Fieldbus Device subsystem.

[Sven Van Asbroeck]

On Tue, Jan 22, 2019 at 1:52 PM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> SPDX "GPL-2.0+" please.
>
> > would be if this code was derived from v2-only code that can't be
> > relicensed anymore.
>
> Are you _sure_ you want v2+?  I ask as I am forced to :)
>

The licencing choice confuses me. Why would I choose a different
licence to what the Linux kernel itself is provided under?
If I did pick a different one, what are the tradeoffs between GPLv2 and GPLv2+ ?