linux-kernel - Re: Q. DEBUG_FS and SYSFS config (Re: [RFC Aufs2 #3 2/2] split 'xino' entry under sysfs)

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Date:	Tue, 24 Mar 2009 16:20:49 -0700
From:	Greg KH <greg@...ah.com>
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	hooanon05@...oo.co.jp, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: Q. DEBUG_FS and SYSFS config (Re: [RFC Aufs2 #3 2/2] split
	'xino' entry under sysfs)

On Tue, Mar 24, 2009 at 04:57:16PM +0100, Kay Sievers wrote:
> On Tue, Mar 24, 2009 at 16:33, Greg KH <greg@...ah.com> wrote:
> 
> >> First, configure "normaly".
> >> General setup
> >>   [ ] Configure standard kernel features (for small systems)  --->
> >>
> >> $ egrep -i '(sysfs|debug_fs)' .config
> >> CONFIG_SYSFS_DEPRECATED=y
> >> CONFIG_SYSFS_DEPRECATED_V2=y
> >
> > You should disable those two options, no modern distro needs them
> > anymore.
> 
> In fact, all recent distros will no longer work correctly, because
> DEPRECATED disables features which are expected to be there today. I
> guess it's time to remove the *_V2 hack to reset the default value,
> and set the default of CONFIG_SYSFS_DEPRECATED=n?

Sounds like a good idea for 2.6.31.  Care to send a patch so we can keep
it in -next for a few months?

thanks,

greg k-h
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