Re: [PATCH net-next v2 6/6] bonding: make Kconfig toggle to disable legacy interfaces

[Stephen Hemminger <stephen@networkplumber.org>]

On Fri,  2 Oct 2020 13:40:01 -0400
Jarod Wilson <jarod@redhat.com> wrote:

> By default, enable retaining all user-facing API that includes the use of
> master and slave, but add a Kconfig knob that allows those that wish to
> remove it entirely do so in one shot.
> 
> Cc: Jay Vosburgh <j.vosburgh@gmail.com>
> Cc: Veaceslav Falico <vfalico@gmail.com>
> Cc: Andy Gospodarek <andy@greyhouse.net>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Thomas Davis <tadavis@lbl.gov>
> Cc: netdev@vger.kernel.org
> Signed-off-by: Jarod Wilson <jarod@redhat.com>
> ---
>  drivers/net/Kconfig                   | 12 ++++++++++++
>  drivers/net/bonding/bond_main.c       |  4 ++--
>  drivers/net/bonding/bond_options.c    |  4 ++--
>  drivers/net/bonding/bond_procfs.c     |  8 ++++++++
>  drivers/net/bonding/bond_sysfs.c      | 14 ++++++++++----
>  drivers/net/bonding/bond_sysfs_port.c |  6 ++++--
>  6 files changed, 38 insertions(+), 10 deletions(-)
> 

This is problematic. You are printing both old and new values.
Also every distribution will have to enable it.

This looks like too much of change to users.