netdev - Re: [PATCH 1/2] net: linkwatch: send change uevent on link changes

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Message-Id: <20181206.121051.897582763166927239.davem@davemloft.net>
Date:   Thu, 06 Dec 2018 12:10:51 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     j.witteveen@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] net: linkwatch: send change uevent on link changes

From: Jouke Witteveen <j.witteveen@...il.com>
Date: Thu, 6 Dec 2018 09:59:20 +0100

> On Thu, Dec 6, 2018 at 1:34 AM David Miller <davem@...emloft.net> wrote:
>>
>> From: Jouke Witteveen <j.witteveen@...il.com>
>> Date: Wed, 5 Dec 2018 23:38:17 +0100
>>
>> > Can you elaborate a bit? I may not be aware of the policy you have in
>> > mind.
>>
>> When we have a user facing interface to do something, we don't create
>> another one unless it is absolutely, positively, unavoidable.
> 
> Obviously, if I would have known this I would not have gone through
> the trouble of investigating and proposing this patch. It was an
> honest attempt at making the kernel better.
> Where could I have found this policy? I have looked on kernel.org/doc,
> but couldn't find it.

It is not formally documented but it is a concern we raise every time
a duplicate piece of user facing functionality is proposed.