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

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Message-ID: <21825.34971.770238.620358@quad.stoffel.home>
Date:	Wed, 29 Apr 2015 21:42:51 -0400
From:	"John Stoffel" <john@...ffel.org>
To:	David Herrmann <dh.herrmann@...il.com>
Cc:	David Lang <david@...g.hm>, Andy Lutomirski <luto@...capital.net>,
	Austin S Hemmelgarn <ahferroin7@...il.com>,
	Harald Hoyer <harald@...hat.com>,
	Arnd Bergmann <arnd@...db.de>, Havoc Pennington <hp@...ox.com>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	Jiri Kosina <jkosina@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Daniel Mack <daniel@...que.org>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Lukasz Skalski <l.skalski@...sung.com>,
	"Theodore Ts'o" <tytso@....edu>, Tom Gundersen <teg@...m.no>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	John Stoffel <john@...ffel.org>,
	Djalal Harouni <tixxdz@...ndz.org>
Subject: Re: [GIT PULL] kdbus for 4.1-rc1

>>>>> "David" == David Herrmann <dh.herrmann@...il.com> writes:

David> Hi
David> On Wed, Apr 29, 2015 at 10:43 PM, David Lang <david@...g.hm> wrote:
>> If the justification for why this needs to be in the kernel is that you
>> can't reliably prevent apps from exiting if there are pending messages, [...]

David> It's not.

>> the answer of "preventing apps from exiting if there are pending messages
>> isn't a sane thing to try and do" is a direct counter to that justification
>> for including it in the kernel.

David> It's optionally used for reliable exit-on-idle.

Then why is there a critical race that must be solved in the kernel if
it's optional?  And can you please describe in more detail what this
'exit-on-idle' thing is and how it works and why you would use it?


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