netdev - Re: [RFC 20/20] RDMA/i40iw: Mark i40iw as deprecated

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Message-ID: <20190926195517.GA1743170@kroah.com>
Date:   Thu, 26 Sep 2019 21:55:17 +0200
From:   "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
To:     "Saleem, Shiraz" <shiraz.saleem@...el.com>
Cc:     Leon Romanovsky <leon@...nel.org>,
        "Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
        "dledford@...hat.com" <dledford@...hat.com>,
        "jgg@...lanox.com" <jgg@...lanox.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>
Subject: Re: [RFC 20/20] RDMA/i40iw: Mark i40iw as deprecated

On Thu, Sep 26, 2019 at 07:49:44PM +0000, Saleem, Shiraz wrote:
> > Subject: Re: [RFC 20/20] RDMA/i40iw: Mark i40iw as deprecated
> > 
> > On Thu, Sep 26, 2019 at 09:45:19AM -0700, Jeff Kirsher wrote:
> > > From: Shiraz Saleem <shiraz.saleem@...el.com>
> > >
> > > Mark i40iw as deprecated/obsolete.
> > >
> > > irdma is the replacement driver that supports X722.
> > 
> > Can you simply delete old one and add MODULE_ALIAS() in new driver?
> > 
> 
> Yes, but we thought typically driver has to be deprecated for a few cycles before removing it.

If you completely replace it with something that works the same, why
keep the old one around at all?

Unless you don't trust your new code?  :)

thanks,

greg k-h