From: Ingo Molnar <mingo@kernel.org>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: "Borislav Petkov" <bp@suse.de>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Michal Marek" <mmarek@suse.cz>, "Måns Rullgård" <mans@mansr.com>,
"Markus Trippelsdorf" <markus@trippelsdorf.de>,
"Thomas Voegtle" <tv@lio96.de>,
linux-kernel@vger.kernel.org, x86-ml <x86@kernel.org>,
"Peter Zijlstra" <a.p.zijlstra@chello.nl>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Jiri Olsa" <jolsa@redhat.com>,
"Arnaldo Carvalho de Melo" <acme@infradead.org>,
"Frédéric Weisbecker" <fweisbec@gmail.com>
Subject: Re: [RFC] CONFIG_FORCE_MINIMALLY_SANE_CONFIG=y (was: Re: [RFC PATCH] x86/kconfig: Sanity-check config file during oldconfig)
Date: Wed, 9 Mar 2016 14:08:40 +0100 [thread overview]
Message-ID: <20160309130839.GA7978@gmail.com> (raw)
In-Reply-To: <20160121220621.GA18145@node.shutemov.name>
* Kirill A. Shutemov <kirill@shutemov.name> wrote:
> 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
That's with new systemd. The Fedora 19 system I tested it on certainly failed in
the way I documented it.
So we now have a kernel option that breaks older SystemD if unset, and breaks
newer SystemD if set.
Bravo!
Thanks,
Ingo
next prev parent reply other threads:[~2016-03-09 13:08 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-19 21:43 x86/microcode update on systems without INITRD Markus Trippelsdorf
2015-11-19 21:55 ` Borislav Petkov
2015-11-19 22:58 ` Borislav Petkov
2015-11-20 7:19 ` Markus Trippelsdorf
2015-11-20 8:27 ` Borislav Petkov
2015-11-20 8:33 ` Markus Trippelsdorf
2015-11-20 8:48 ` Borislav Petkov
2015-11-20 11:24 ` [PATCH] x86/microcode: Initialize the driver late when facilities are up Borislav Petkov
2015-11-23 16:28 ` [tip:x86/urgent] " tip-bot for Borislav Petkov
2016-01-07 12:12 ` x86/microcode update on systems without INITRD Thomas Voegtle
2016-01-07 12:18 ` Borislav Petkov
2016-01-07 12:36 ` Thomas Voegtle
2016-01-07 12:41 ` Markus Trippelsdorf
2016-01-08 9:33 ` Thomas Voegtle
2016-01-08 12:18 ` Mike Keehan
2016-01-08 12:20 ` Markus Trippelsdorf
2016-01-08 10:59 ` Borislav Petkov
2016-01-08 11:18 ` Måns Rullgård
2016-01-08 11:36 ` Borislav Petkov
2016-01-08 11:46 ` Måns Rullgård
2016-01-08 12:08 ` Borislav Petkov
2016-01-08 12:16 ` Markus Trippelsdorf
2016-01-08 12:27 ` Borislav Petkov
2016-01-08 12:28 ` Måns Rullgård
2016-01-08 12:48 ` Michal Marek
2016-01-08 13:37 ` Borislav Petkov
2016-01-08 14:48 ` Michal Marek
2016-01-11 19:43 ` Borislav Petkov
2016-01-11 20:29 ` Måns Rullgård
2016-01-11 20:59 ` Borislav Petkov
2016-01-11 21:04 ` Måns Rullgård
2016-01-11 21:17 ` Borislav Petkov
2016-01-14 18:43 ` [RFC PATCH] x86/kconfig: Sanity-check config file during oldconfig Borislav Petkov
2016-01-18 13:36 ` Thomas Voegtle
2016-01-18 14:06 ` Borislav Petkov
2016-01-18 14:11 ` Måns Rullgård
2016-01-18 14:28 ` Borislav Petkov
2016-01-18 14:41 ` Borislav Petkov
2016-01-18 14:51 ` Måns Rullgård
2016-01-18 15:39 ` Borislav Petkov
2016-01-18 15:42 ` Måns Rullgård
2016-01-19 8:20 ` [RFC] CONFIG_FORCE_MINIMALLY_SANE_CONFIG=y (was: Re: [RFC PATCH] x86/kconfig: Sanity-check config file during oldconfig) Ingo Molnar
2016-01-19 8:40 ` Markus Trippelsdorf
2016-01-19 8:54 ` Ingo Molnar
2016-01-19 9:45 ` Borislav Petkov
2016-01-19 9:01 ` Peter Zijlstra
2016-01-19 9:14 ` Ingo Molnar
2016-01-19 9:43 ` Borislav Petkov
2016-01-19 9:57 ` [RFC] CONFIG_FORCE_MINIMALLY_SANE_CONFIG=y Michal Marek
2016-01-19 10:30 ` [RFC] CONFIG_GENERIC_BOOTABLE_CONFIG=y Ingo Molnar
2016-01-19 17:22 ` Linus Torvalds
2016-01-19 17:52 ` Austin S. Hemmelgarn
2016-01-19 12:29 ` [RFC] CONFIG_FORCE_MINIMALLY_SANE_CONFIG=y Måns Rullgård
2016-01-19 12:43 ` Michal Marek
2016-01-19 12:57 ` Måns Rullgård
2016-01-21 22:06 ` [RFC] CONFIG_FORCE_MINIMALLY_SANE_CONFIG=y (was: Re: [RFC PATCH] x86/kconfig: Sanity-check config file during oldconfig) Kirill A. Shutemov
2016-03-09 13:08 ` Ingo Molnar [this message]
2016-01-08 12:18 ` x86/microcode update on systems without INITRD Måns Rullgård
2016-01-19 17:43 ` Borislav Petkov
2016-01-20 9:14 ` Thomas Voegtle
2016-01-20 11:15 ` Borislav Petkov
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