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Subject: Re: Existing netlink kernel <--> kernel communication
From: Marcel Holtmann <marcel@holtmann.org>
To: "Luis R. Rodriguez" <mcgrof@gmail.com>
Cc: linux-kernel@vger.kernel.org, Kevin Hayes <kevin@atheros.com>,
       Jouni Malinen <j@w1.fi>, Johannes Berg <johannes@sipsolutions.net>
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Date: Mon, 17 Aug 2009 14:04:33 -0700
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Hi Luis,

> Was curious if there are existing use cases of netlink for kernel <-->
> kernel communication rather than the typical kernel <--> userspace.
> The original RFC 3549 [1] does specify it could have been used for
> "intra-kernel messaging", but am just not aware of existing use cases.
> A pointer could help.

I would use direct function calls for kernel to kernel communication. No
need to put any messaging system in between.

Regards

Marcel