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Date: Tue, 21 Apr 2015 15:18:35 +0200
Message-ID: <CAMFK0guX27L=AuW_DJbY8vRgAGcUN5OE94mYhrtAXc+3pX=TiQ@mail.gmail.com>
Subject: Re: [GIT PULL] kdbus for 4.1-rc1
From: Olivier Galibert <galibert@pobox.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>, Richard Weinberger <richard@nod.at>,
        David Herrmann <dh.herrmann@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
        Jiri Kosina <jkosina@suse.cz>, Al Viro <viro@zeniv.linux.org.uk>,
        Borislav Petkov <bp@alien8.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        Arnd Bergmann <arnd@arndb.de>,
        "Eric W. Biederman" <ebiederm@xmission.com>,
        Tom Gundersen <teg@jklm.no>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Daniel Mack <daniel@zonque.org>, Djalal Harouni <tixxdz@opendz.org>
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On Tue, Apr 21, 2015 at 12:31 PM, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
> Bringing up SCM_RIGHTS means that this is not going to be a bus system
> at all.  One principal design goal is to _not_ have peer-to-peer
> connections between all communicating parties, but rather one connection
> to a central component.  If that component is not in the kernel, it has
> to be a userspace deamon, which in turn has all of the issues that
> dbus-daemon currently has.

You're not making sense there.  If there is no daemon, then you're
peer-to-peer, because there's no central component.  If you consider
the kernel the central component, then peer-to-peer is almost
impossible by definition.

It seems that almost everybody here thinks that the plumbing (e.g.
transmitting messages in-order with multicasting) should be separated
from the policy (who communicates with who), possibly leveraging the
packet filtering infrastructure to implement the decided policy.  What
it is you reject about that point of view, which seems relatively
normal when you think about building a collection of useful tools?

  OG.
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