linux-kernel - Re: [RFC] CONFIG_FORCE_MINIMALLY_SANE_CONFIG=y (was: Re: [RFC PATCH] x86/kconfig: Sanity-check config file during oldconfig)

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Date:	Fri, 22 Jan 2016 00:06:21 +0200
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Borislav Petkov <bp@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Marek <mmarek@...e.cz>,
	Måns Rullgård <mans@...sr.com>,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Thomas Voegtle <tv@...96.de>, linux-kernel@...r.kernel.org,
	x86-ml <x86@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Frédéric Weisbecker <fweisbec@...il.com>
Subject: Re: [RFC] CONFIG_FORCE_MINIMALLY_SANE_CONFIG=y (was: Re: [RFC PATCH]
 x86/kconfig: Sanity-check config file during oldconfig)

On Tue, Jan 19, 2016 at 09:20:22AM +0100, Ingo Molnar wrote:
> +	select SYSFS_DEPRECATED
...

> And yes, many of these options are members of the 'SystemD debuggability Hall Of 
> Shame'... It cost me many, many days of painful config-bisection to figure the 
> often obscure dependencies out, so we might as well upstream this information.

And you've got it wrong ;)

http://cgit.freedesktop.org/systemd/systemd/tree/README#n54

        udev will fail to work with the legacy sysfs layout:
	          CONFIG_SYSFS_DEPRECATED=n
-- 
 Kirill A. Shutemov