Date: Mon, 27 Feb 2012 14:05:35 -0500 (EST)
Message-Id: <20120227.140535.1623396420455657443.davem@davemloft.net>
To: javier.martinez@collabora.co.uk
Cc: javier@collabora.co.uk, eric.dumazet@gmail.com, lennart@poettering.net,
        kay.sievers@vrfy.org, alban.crequy@collabora.co.uk,
        bart.cerneels@collabora.co.uk, rodrigo.moya@collabora.co.uk,
        sjoerd.simons@collabora.co.uk, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/10] af_unix: add multicast and filtering features to
 AF_UNIX
From: David Miller <davem@davemloft.net>
In-Reply-To: <4F4B8C66.5060206@collabora.co.uk>
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	<20120224.153616.117399887784547022.davem@davemloft.net>
	<4F4B8C66.5060206@collabora.co.uk>
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From: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Date: Mon, 27 Feb 2012 15:00:06 +0100

> Primary for performance reasons. D-bus is an IPC system for processes in
> the same machine so traversing the whole TCP/IP stack seems a little
> overkill to me.

You haven't actually tested what the cost of this actually is, so what
you're saying is mere speculation.  In many cases TCP/UDP over
loopback is actually faster than AF_UNIX.

Since this is the premise of your whole rebuttal, I'll simply stop
reading here.
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