Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933091AbbD0SLo (ORCPT ); Mon, 27 Apr 2015 14:11:44 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:41947 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932995AbbD0SLl (ORCPT ); Mon, 27 Apr 2015 14:11:41 -0400 X-Sasl-enc: xI7317+DcOAj00lCXQf/Pre9dGeE2jec1/R51EtiGfAj 1430158300 Date: Mon, 27 Apr 2015 20:11:38 +0200 From: Greg KH To: Pantelis Antoniou Cc: Rob Herring , Grant Likely , Andrew Morton , Matt Porter , Koen Kooi , Guenter Roeck , devicetree@vger.kernel.org, Linux Kernel Mailing List , linux-api@vger.kernel.org Subject: Re: [PATCH v3 4/4] Documentation: ABI: /sys/firmware/devicetree/overlays Message-ID: <20150427181138.GA27043@kroah.com> References: <1429868744-19863-1-git-send-email-pantelis.antoniou@konsulko.com> <1429868744-19863-5-git-send-email-pantelis.antoniou@konsulko.com> <20150424203121.GB14970@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: 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 Content-Length: 1852 Lines: 50 On Mon, Apr 27, 2015 at 08:51:20PM +0300, Pantelis Antoniou wrote: > Hi Greg, > > > On Apr 24, 2015, at 23:31 , Greg KH wrote: > > > > On Fri, Apr 24, 2015 at 12:45:44PM +0300, Pantelis Antoniou wrote: > >> Documentation ABI entry for overlays sysfs entries. > >> > >> Signed-off-by: Pantelis Antoniou > >> --- > >> .../ABI/testing/sysfs-firmware-devicetree-overlays | 23 ++++++++++++++++++++++ > >> 1 file changed, 23 insertions(+) > >> create mode 100644 Documentation/ABI/testing/sysfs-firmware-devicetree-overlays > >> > >> diff --git a/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays b/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays > >> new file mode 100644 > >> index 0000000..6b81f1c > >> --- /dev/null > >> +++ b/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays > >> @@ -0,0 +1,23 @@ > >> +What: /sys/firmware/devicetree/overlays/ > >> +Date: March 2015 > >> +Contact: Pantelis Antoniou > >> +Description: > >> + This directory contains the applied device tree overlays of > >> + the running system, as directories of the overlay id. > > > > "as"? > > > >> + > >> + enable: The master enable switch, by default is 1, and when > >> + set to 0 it cannot be re-enabled for security reasons. > > > > What are those reasons? > > > > There’s a whole subthread with Grant & Kees going over security concerns. > > http://comments.gmane.org/gmane.linux.drivers.devicetree/101871 Great, document it here please, so that others know this :) 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/