linux-kernel - Re: Driver-Core: devtmpfs - remove EXPERIMENTAL and enable it by default

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Message-ID: <20100117075633.GA1339@ucw.cz>
Date:	Sun, 17 Jan 2010 08:56:33 +0100
From:	Pavel Machek <pavel@....cz>
To:	Greg KH <greg@...ah.com>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	Kay Sievers <kay.sievers@...y.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Driver-Core: devtmpfs - remove EXPERIMENTAL and enable it by
	default

On Fri 2010-01-15 10:03:41, Greg KH wrote:
> On Fri, Jan 15, 2010 at 06:56:38AM -0800, Arjan van de Ven wrote:
> > On Thu, 14 Jan 2010 22:47:57 +0100
> > Kay Sievers <kay.sievers@...y.org> wrote:
> > 
> > > From: Kay Sievers <kay.sievers@...y.org>
> > > Subject: Driver-Core: devtmpfs - remove EXPERIMENTAL and enable it by
> > > default
> > > 
> > > All major distros enable devtmpfs on recent systems, so remove
> > > the EXPERIMENTAL flag, and enable it by default to reflect how it
> > > is used today.
> > 
> > removing experimental is fine... but setting it by default is a bit
> > over the top and very inconsistent with how the 'default' option is
> > used.
> 
> Why?  All major distros need this at boot time, and as we have been
> through a release cycle with the config option, anyone who is
> incrementally updating will continue with their existing value.  But new
> people coming in, will get the option as it is most likely required to
> boot properly.

Defaults should be back-compatible. This is not... people should be
still able to skip releases when upgrading.


-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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