Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760482AbaJ3OsW (ORCPT ); Thu, 30 Oct 2014 10:48:22 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:33626 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760210AbaJ3OsU (ORCPT ); Thu, 30 Oct 2014 10:48:20 -0400 Date: Thu, 30 Oct 2014 07:47:09 -0700 From: Greg Kroah-Hartman To: Karol Lewandowski Cc: Jiri Kosina , Linux API , linux-kernel@vger.kernel.org, John Stultz , Arnd Bergmann , Tejun Heo , Ryan Lortie , Simon McVittie , daniel@zonque.org, David Herrmann , Paul Moore , "casey.schaufler@intel.com" , marcel@holtmann.org, tixxdz@opendz.org, javier.martinez@collabora.co.uk, alban.crequy@collabora.co.uk Subject: Re: [PATCH 00/12] Add kdbus implementation Message-ID: <20141030144709.GA19721@kroah.com> References: <54520A21.20404@samsung.com> <54521697.1030900@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <54521697.1030900@samsung.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 30, 2014 at 11:44:39AM +0100, Karol Lewandowski wrote: > [ Sorry for breaking thread and resend - gmane rejected my original message > due to too long list of recipients... ] > > On 2014-10-30 00:40, Greg Kroah-Hartman wrote: > > > There is a 1815 line documentation file in this series, so we aren't > > trying to not provide this type of information here at all. But yes, > > more background, about why this can't be done in userspace (zero copy, > > less context switches, proper credential passing, timestamping, availble > > at early-boot, LSM hooks for security models to tie into > > While you're at it... I did some work on proof-of-concept LSM patches for > kdbus some time ago, see [1][2]. Currently, these are completely of date. > > [1] https://github.com/lmctl/linux/commits/kdbus-lsm-v4.for-systemd-v212 > [2] https://github.com/lmctl/kdbus/commit/aa0885489d19be92fa41c6f0a71df28763228a40 > > May I ask if you guys have your own plan for LSM or maybe it would be > worth to resurrect [1]? The core calls are already mediated by LSM today, right? We don't want anyone to be parsing the data stream through an LSM, that idea got rejected a long time ago as something that is really not a good idea. Other than that, I don't know exactly what your patches do, or why they are needed, care to go into details? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/