linux-kernel - Re: [PATCH] driver core: remove CONFIG_SYSFS

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Message-ID: <20100715035230.GA2186@suse.de>
Date:	Wed, 14 Jul 2010 20:52:30 -0700
From:	Greg KH <gregkh@...e.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Greg KH <greg@...ah.com>, linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org, alsa-devel@...a-project.org,
	Jens Axboe <axboe@...nel.dk>,
	Stephen Hemminger <shemminger@...tta.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Kay Sievers <kay.sievers@...y.org>,
	Alan Stern <stern@...land.harvard.edu>,
	"James E.J. Bottomley" <James.Bottomley@...e.de>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Tejun Heo <tj@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	David Howells <dhowells@...hat.com>
Subject: Re: [PATCH] driver core: remove CONFIG_SYSFS_DEPRECATED

On Wed, Jul 14, 2010 at 04:38:52PM -0700, Andrew Morton wrote:
> On Fri, 9 Jul 2010 11:54:50 -0700
> Greg Kroah-Hartman <gregkh@...e.de> wrote:
> 
> > This is no longer needed by any userspace tools, so it's safe to
> > remove.
> 
> Makes my FC6 test box not boot - can't find /dev/root.  Then when I go
> back to plain old mainline (2.6.35-rc5) and run `make oldconfig', the
> .config change sticks:
> 
> @@ -106,8 +106,7 @@
>  CONFIG_LOG_BUF_SHIFT=17
>  CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
>  # CONFIG_CGROUPS is not set
> -CONFIG_SYSFS_DEPRECATED=y
> -CONFIG_SYSFS_DEPRECATED_V2=y
> +# CONFIG_SYSFS_DEPRECATED_V2 is not set
>  CONFIG_RELAY=y
>  CONFIG_NAMESPACES=y
>  # CONFIG_UTS_NS is not set
> 
> and the box still won't boot.

Ick, that sucks.

What kernel was FC6 based on originally?

Kay, I thought that Fedora had fixed the "can't find root" issue for
this type of sysfs configuation a long time ago.  Or was that something
else for PPC that I am thinking of?

thanks,

greg k-h
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