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

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Message-ID: <20141029222729.GB8129@kroah.com>
Date:	Wed, 29 Oct 2014 15:27:29 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Linux API <linux-api@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	John Stultz <john.stultz@...aro.org>,
	Arnd Bergmann <arnd@...db.de>, Tejun Heo <tj@...nel.org>,
	Marcel Holtmann <marcel@...tmann.org>,
	Ryan Lortie <desrt@...rt.ca>,
	Bastien Nocera <hadess@...ess.net>,
	David Herrmann <dh.herrmann@...il.com>,
	Djalal Harouni <tixxdz@...ndz.org>,
	simon.mcvittie@...labora.co.uk, daniel@...que.org,
	alban.crequy@...labora.co.uk, javier.martinez@...labora.co.uk,
	Tom Gundersen <teg@...m.no>
Subject: Re: [PATCH 00/12] Add kdbus implementation

On Wed, Oct 29, 2014 at 03:15:51PM -0700, Andy Lutomirski wrote:
> (reply 1/2 -- I'm replying twice to keep the threading sane)
> 
> On Wed, Oct 29, 2014 at 3:00 PM, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> 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.
> >
> 
> >  * Support for multiple domains, completely separated from each other,
> >    allowing multiple virtualized instances to be used at the same time.
> 
> Given that there is no such thing as a device namespace, how does this work?

See the document for the details.

> The docs seem a bit confusing to me as to whether there's a hierarchy
> of domains.  Do domains have a concept of a parent?

Yes.

> What's "container-name"?

Is that used in the documentation?

> Given that domains have random IDs, how can they be checkpointed and restored?

Good question, I don't know about checkpoint/restore, but I think that
has been done.  Daniel would know more than I do about that.

thanks,

greg k-h
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