netdev - Re: [patch net-next 2/3] mlxsw: expose EMAD transactions statistics via debugfs

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Message-Id: <20150826.233603.681080899557993733.davem@davemloft.net>
Date:	Wed, 26 Aug 2015 23:36:03 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jiri@...nulli.us
Cc:	sfeldma@...il.com, netdev@...r.kernel.org, idosch@...lanox.com,
	eladr@...lanox.com, ogerlitz@...lanox.com, jiri@...lanox.com
Subject: Re: [patch net-next 2/3] mlxsw: expose EMAD transactions
 statistics via debugfs

From: Jiri Pirko <jiri@...nulli.us>
Date: Thu, 27 Aug 2015 08:27:04 +0200

> I'm not saying it is not possible, it certainly is. But I think that
> for example rocker internals have no value to default user, he
> should not care and he cannot find out what is going on there
> without knowledge or rocker.c code. The question is, do we need some
> standard interface to expose random debugging data? I don't think
> so, I think that debugfs is exactly the tool to be used in that
> case.

If it is only interesting to rocker.c maintainer, he can keep a local
patch he applies when he needs such a facility.

This discussion is becomming circular.

If it's useful, it needs a well defined interface.

If it's not useful, it doesn't belong in the tree.

Therefore, debugfs is useless.
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