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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 14 Aug 2017 12:51:44 -0700
Message-ID: <CA+55aFyJMwrOk0RN1GtcZ20r3RQYAL5Y-3iKcXcVgvGf3rea9g@mail.gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
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Cc: ksummit <ksummit-discuss@lists.linuxfoundation.org>
Subject: Re: [Ksummit-discuss] [MAINTAINER TOPIC] ABI feature gates?
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On Mon, Aug 14, 2017 at 12:49 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> On Fri, 4 Aug 2017 09:04:54 -0700
> Greg KH <greg@kroah.com> wrote:
>
>
>> We could start searching linux-next for new additions of sysfs files
>> (search for the ATTR macros), and complain that there are no matching
>> Documentation/ABI/ updates at the same time.  I try to do that when
>> reviewing patches that come through my trees, but yes, this is hard to
>> keep up to date with.
>>
>> Sounds like a good GSoC project though, setting up the infrastructure to
>> do this in a semi-automated fashion.
>
> And perhaps do the same for new tracepoints.

Honestly, the *real* issue has traditionally been new ioctl's, not so
much sysfs files or tracepoints.

People add random device-specific crud that then has issues with
alignment or word size.

                  Linus