From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 0/10] af_unix: add multicast and filtering features to AF_UNIX Date: Mon, 27 Feb 2012 14:05:35 -0500 (EST) Message-ID: <20120227.140535.1623396420455657443.davem@davemloft.net> References: <1329753455-1106-1-git-send-email-javier@collabora.co.uk> <20120224.153616.117399887784547022.davem@davemloft.net> <4F4B8C66.5060206@collabora.co.uk> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 To: javier.martinez@collabora.co.uk Return-path: In-Reply-To: <4F4B8C66.5060206@collabora.co.uk> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Javier Martinez Canillas 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.