linux-kernel - Re: [GIT PULL] kdbus for 4.1-rc1

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Message-ID: <20150415181606.GC24936@home.goodmis.org>
Date:	Wed, 15 Apr 2015 14:16:06 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Havoc Pennington <hp@...ox.com>
Cc:	Rik van Riel <riel@...hat.com>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Kosina <jkosina@...e.cz>,
	Andy Lutomirski <luto@...capital.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Tom Gundersen <teg@...m.no>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Daniel Mack <daniel@...que.org>,
	David Herrmann <dh.herrmann@...il.com>,
	Djalal Harouni <tixxdz@...ndz.org>
Subject: Re: [GIT PULL] kdbus for 4.1-rc1

On Wed, Apr 15, 2015 at 12:44:44PM -0400, Havoc Pennington wrote:
> 
> By pushing everything through one queue, dbus is trying to reduce the
> number of codepaths in applications. Apps have a lot of new problems
> to solve if messages get their order scrambled.

But can't a dbus library handle this for the apps? Like implementing TCP on
top of UDP. I really doubt the entire dbus protocol needs to be pushed into
the kernel.

I'm going to try to spend some time reading about dbus and playing with the
code (thanks for the links BTW!). Then I can see if I can come up with
something too. Or at least be able to ask the right questions.

-- Steve

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