linux-kernel - Re: CONFIG_* used by user-space to figure out whether a feature is on/off

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Date:	Mon, 15 Jul 2013 10:46:17 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: CONFIG_* used by user-space to figure out whether a feature is on/off

On Mon, Jul 15, 2013 at 10:24 AM, Konrad Rzeszutek Wilk
<konrad.wilk@...cle.com> wrote:
>
> If life was that simple.. This particular issue was with inhibiting certain
> config stanzas if certain features were not built in the kernel. Here is the
> bug that started it:
>   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=633127

Can somebody please open a grub/xen ticket that says all of this is
just too confusing and broken, and that it should just be removed
entirely instead of expanded upon?

This is a grub bug. It really is that simple. Treat it as one.

I don't want to break user space applications, but this isn't a
"user-space app". This is "broken kernel support", and when that
happens, we call them out for being buggy and don't support them
(example: all the gcc bugs that have caused us problems over the
years).

                 Linus
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