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

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Date:	Tue, 14 Apr 2015 19:55:34 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>, gnomes@...rguk.ukuu.org.uk,
	teg@...m.no, jkosina@...e.cz, luto@...capital.net,
	linux-kernel@...r.kernel.org, daniel@...que.org,
	dh.herrmann@...il.com, tixxdz@...ndz.org
Subject: Re: [GIT PULL] kdbus for 4.1-rc1

On Mon, Apr 13, 2015 at 07:19:49PM -0500, Eric W. Biederman wrote:
> ebiederm@...ssion.com (Eric W. Biederman) writes:
> 
> > Greg Kroah-Hartman <gregkh@...uxfoundation.org> writes:
> >
> >> The following changes since commit 9eccca0843205f87c00404b663188b88eb248051:
> >>
> >>   Linux 4.0-rc3 (2015-03-08 16:09:09 -0700)
> >>
> >> are available in the git repository at:
> >>
> >>   git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git/ tags/kdbus-4.1-rc1
> >>
> >> for you to fetch changes up to 9fb9cd0f4434a23487b6ef3237e733afae90e336:
> >>
> >>   kdbus: avoid the use of struct timespec (2015-04-10 14:34:53 +0200)
> >>
> >> ----------------------------------------------------------------
> >> kdbus for 4.1-rc1
> >>
> >> Here's the kdbus pull request for 4.1-rc1.
> >>
> >> It's been under development for many years now, and been in linux-next
> >> for many months, and has undergone loads of testing a review and even a few
> >> good arguments.  It comes with full documentation and tests.
> >
> >> There has been a few complaints about the code, notably from people who
> >> don't like the use of metadata in the bus messages.  That is actually
> >> one of the main features here, as we can get this data in a secure and
> >> reliable way, and it's something that userspace requires today.  So
> >> while it does look "odd" to people who are not familiar with dbus, this
> >> is something that finally fixes a number of almost unfixable races in
> >> the current dbus implementations.
> >
> > And the code that transfers the meta-data is wrong.
> 
> In fact it is worse than I thought.

Please see the email response I just wrote to Andy about this, it should
address these misconceptions.

thanks,

greg k-h
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