Re: [PATCH v5 1/3] Provide in-kernel headers to make extending kernel easier

From: Steven Rostedt
Date: Tue Apr 16 2019 - 08:33:13 EST


On Mon, 15 Apr 2019 22:50:10 -0500
Kees Cook <keescook@xxxxxxxxxxxx> wrote:

> On Mon, Apr 15, 2019 at 9:41 AM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > I agree with this assessment. We shouldn't use config.gz as precedence
> > for this solution. config.gz should have been in debugfs to begin with,
> > but I don't believe debugfs was around when config.gz was introduced.
> > (Don't have time to look into the history of the two).
>
> I don't agree with this: /proc/config.gz is used by a lot of tools
> that do sanity-check of running systems. This isn't _debugging_...
> it's verifying correct kernel builds. It's a fancy version of checking
> /proc/version.
>

Then we should perhaps make a new file system call tarballs ;-)

/sys/kernel/tarballs/

and place everything there. That way it removes it from /proc (which is
the worse place for that) and also makes it something other than debug.
That's what I did for tracefs.

-- Steve