linux-kernel - Re: [PATCH v4 2/8] OF: Introduce DT overlay support.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <6DBEE287-AFB3-4616-AAA6-2F02B6B12D74@konsulko.com>
Date:	Thu, 15 May 2014 00:15:23 -0700
From:	Pantelis Antoniou <pantelis.antoniou@...sulko.com>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <robherring2@...il.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Matt Porter <matt.porter@...aro.org>,
	Koen Kooi <koen@...inion.thruhere.net>,
	Alison Chaiken <Alison_Chaiken@...tor.com>,
	Dinh Nguyen <dinh.linux@...il.com>,
	Jan Lubbe <jluebbe@...net.de>,
	Alexander Sverdlin <alexander.sverdlin@....com>,
	Michael Stickel <ms@...able.de>,
	Dirk Behme <dirk.behme@...il.com>,
	Alan Tull <delicious.quinoa@...il.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Michael Bohan <mbohan@...eaurora.org>,
	Ionut Nicu <ioan.nicu.ext@....com>,
	Michal Simek <monstr@...str.eu>,
	Matt Ranostay <mranostay@...il.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Pete Popov <pete.popov@...sulko.com>,
	Dan Malek <dan.malek@...sulko.com>,
	Georgi Vlaev <georgi.vlaev@...sulko.com>
Subject: Re: [PATCH v4 2/8] OF: Introduce DT overlay support.

Hi Guenter,

On May 14, 2014, at 6:18 AM, Guenter Roeck wrote:

> On 05/14/2014 06:03 AM, Geert Uytterhoeven wrote:
>> On Wed, May 14, 2014 at 12:08 PM, Grant Likely
>> <grant.likely@...retlab.ca> wrote:
>>>> +config OF_OVERLAY
>>>> +     bool "OF overlay support"
>>>> +     depends on OF
>>>> +     select OF_DYNAMIC
>>>> +     select OF_DEVICE
>>>> +     select OF_RESOLVE
>>>> +     help
>>>> +       OpenFirmware overlay support. Allows you to modify on runtime the
>>>> +       live tree using overlays.
>>> 
>>> Should not be a user-visable option. Drivers using it should select it
>> 
>> Why not? It's up to the (final) user to use it, or not.
>> 
>>> or otherwise cause it to be enabled.
>> 
>> Why should this be driver-specific? Shouldn't this just work with all drivers?
>> 
> 
> It does once enabled.
> 
> I think what Grant refers to is that there has to be a driver which implements
> the actual overlay insertion and removal (ie calls the new API functions),
> and that the Kconfig option for this driver should select OF_OVERLAY
> instead of depending on it.
> 

That makes sense.

> Guenter
> 

Regards

-- Pantelis

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/