linux-kernel - Re: [PATCH 2/2] of: remove /proc/device-tree

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Date:	Thu, 21 Mar 2013 07:35:11 +0000
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	devicetree-discuss <devicetree-discuss@...ts.ozlabs.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 2/2] of: remove /proc/device-tree

On Thu, Mar 21, 2013 at 4:19 AM, Benjamin Herrenschmidt
<benh@...nel.crashing.org> wrote:
> On Wed, 2013-03-20 at 21:38 +0000, Grant Likely wrote:
>> > NAK. It should at the very least be a CONFIG option for a while
>> before
>> > completely switching over.
>>
>> I'll modify patch 1 to create the symlink if CONFIG_PROC_DEVICETREE is
>> not set. After the first patch can be applied we can leave it for a
>> release or two before applying the second.
>
> Shouldn't we have the symlink just be a config option itself ?
> Eventually distros might want get rid of it completely ..

Why? It is the cheapest thing in the world and it means the ABI
doesn't change at all.

g.
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