netdev - Re: [PATCH v5] net: ip, diag -- Add diag interface for raw sockets

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Message-ID: <60b2e075-e852-f0c2-c188-631f547791d5@mojatatu.com>
Date:   Wed, 28 Sep 2016 08:09:28 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     David Miller <davem@...emloft.net>, gorcunov@...il.com
Cc:     eric.dumazet@...il.com, dsa@...ulusnetworks.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
        kaber@...sh.net, avagin@...nvz.org, stephen@...workplumber.org
Subject: Re: [PATCH v5] net: ip, diag -- Add diag interface for raw sockets

On 16-09-28 08:07 AM, David Miller wrote:

> Right, it would be legal for an existing user to have code that
> explicitly initializes every member of the structure, including 'pad'.
> So we have to keep that member around, at a minimum, for their sake.
>

I think we need to start labelling any new pad fields added as
"Not UAPI. Do not fsck fondle this".

cheers,
jamal