> From: Jason Gunthorpe [mailto:jguntho...@obsidianresearch.com]
> Sent: Wednesday, June 21, 2017 11:12 AM
> To: Leon Romanovsky <l...@kernel.org>
> Cc: Doug Ledford <dledf...@redhat.com>; linux-r...@vger.kernel.org; Tung,
> Chien Tin <chien.tin.t...@intel.com>; Steve Wise
> <sw...@opengridcomputing.com>; Stephen Hemminger
> <step...@networkplumber.org>; Jiri Pirko <j...@mellanox.com>; Ariel Almog
> <ari...@mellanox.com>; Linux Netdev <netdev@vger.kernel.org>; Leon
> Romanovsky <leo...@mellanox.com>
> Subject: Re: [PATCH rdma-next 13/19] RDMA/netlink: Add netlink device
> definitions to UAPI
> 
> On Wed, Jun 21, 2017 at 09:05:22AM +0300, Leon Romanovsky wrote:
> >     RDMA_NL_IWCM,
> >     RDMA_NL_RSVD,
> >     RDMA_NL_LS,     /* RDMA Local Services */
> > +   /*
> > +    * RDMA_NL_I40IW not in use and it was added here by mistake,
> > +    * but we need to keep it anyway, because it is UAPI and for
> > +    * unknown reasons, someone in the field decided to replace "5"
> > +    * with this define.
> > +    */
> >     RDMA_NL_I40IW,
> 
> Since this doesn't do anything, never did anything, I think you should just
> delete it. Anything in userspace that refers to this name is unconditionally
> broken and a compile failure is the better choice.
> 
> Jason

I agree.  Please delete RDMA_NL_I40IW.

Chien

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