linux-kernel - Re: [PATCH 00/12] Add kdbus implementation

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Message-ID: <alpine.LRH.2.00.1410292354480.11562@twin.jikos.cz>
Date:	Thu, 30 Oct 2014 00:00:16 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
cc:	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	john.stultz@...aro.org, arnd@...db.de, tj@...nel.org,
	marcel@...tmann.org, desrt@...rt.ca, hadess@...ess.net,
	dh.herrmann@...il.com, tixxdz@...ndz.org,
	simon.mcvittie@...labora.co.uk, daniel@...que.org,
	alban.crequy@...labora.co.uk, javier.martinez@...labora.co.uk,
	teg@...m.no
Subject: Re: [PATCH 00/12] Add kdbus implementation

On Wed, 29 Oct 2014, Greg Kroah-Hartman wrote:

> kdbus is a kernel-level IPC implementation that aims for resemblance to
> the the protocol layer with the existing userspace D-Bus daemon while
> enabling some features that couldn't be implemented before in userspace.

I'd be interested in the features that can't be implemented in userspace 
(and therefore would justify existence of kdbus in the kernel). Could you 
please point me to such list / documentation?

It seems to me that most of the highlight features from the cover letter 
can be "easily" (for certain definition of that word, of course) 
implemented in userspace (vmsplice(), sending fd through unix socket, user 
namespaces, UUID management, etc).

Thanks,

-- 
Jiri Kosina
SUSE Labs

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