Re: [PATCH 0/3] Implement /proc/built-in file similar to /proc/modules

From: Greg KH
Date: Sun Sep 14 2014 - 11:39:26 EST


On Sun, Sep 14, 2014 at 02:18:13PM +0400, Kirill Tkhai wrote:
> This series implements a possibility to show the list of built-in drivers
> to userspace. The names of drivers will be the same as when they are modules.

Have you looked at /sys/modules/ ? Doesn't that show what you want
here?

> So, if your system has "loop" driver then it appears either in /proc/modules
> or in /proc/built-in and userspace will be able to know about this.
>
> Now this is impossible. The only way to get kernel configuration is
> /proc/config.gz, but CONFIG_* names can change from time to time. Module
> names are more or less standardized.

Module names aren't "standardized", we change them at times when needed,
just like CONFIG_ names.

What is your end goal here? As you say, config.gz is the real kernel
configuration, just having a list of modules built in isn't going to
help much in getting a working kernel config without it.

thanks,

greg k-h
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