linux-kernel - Re: [PATCH] Use Kconfig flag to remove support of deprecated BE2/BE3 adapters

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Message-ID: <20180806162153.GA22040@infradead.org>
Date:   Mon, 6 Aug 2018 09:21:53 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Petr Oros <poros@...hat.com>
Cc:     netdev@...r.kernel.org, ivecera@...hat.com,
        Sathya Perla <sathya.perla@...adcom.com>,
        Ajit Khaparde <ajit.khaparde@...adcom.com>,
        Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>,
        Somnath Kotur <somnath.kotur@...adcom.com>,
        "David S. Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Use Kconfig flag to remove support of deprecated BE2/BE3
 adapters

On Mon, Aug 06, 2018 at 02:12:28PM +0200, Petr Oros wrote:
>   Add flags to remove support of deprecated BE2/BE3 adapters.
>   BE2 disable will reduce .ko size by 2kb and BE3 by 3kb.
>   Disable both will reduce .ko size by 9kb.
> 
>   With dissabled support is also removed coresponding PCI IDs
>   and codepath with [BE2|BE3|BEx]_chip checks.

deprecated seems like a really odd world for hardware.

Are they just old?  Did they never ship in large numbers?

If you just make some cards optional why not also add options
for families of newer cards for those who only have the older ones
in their systems?