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

Daniel Mack
2013-03-20T16:24:58Z

On Wed, Mar 20, 2013 at 4:19 PM, Rob Herring <robherring2@gmail.com> wrote:
> On 03/20/2013 09:51 AM, Grant Likely wrote:
>> The same data is now available in sysfs, so we can remove the code
>> that exports it in /proc and replace it with a symlink to the sysfs
>> version.
>>
>> Tested on versatile qemu model and mpc5200 eval board. More testing
>> would be appreciated.
>
> I would suggest testing with lshw in particular. That's the only
> /proc/device-tree user I've come across.

kexec is another one. Not to mention various vendor scripts that aren't
necessarily public.

Don't such things also fall under the "we do not break userspace
compatibility - ever" rule?

Daniel