linux-kernel - Re: [PATCH] kbuild: Add the code maturity levels DEPRECATED and OBSOLETE.

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Date:	Tue, 20 Feb 2007 23:56:22 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	"Robert P. J. Day" <rpjday@...dspring.com>
Cc:	Tilman Schmidt <tilman@...p.cc>,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Roman Zippel <zippel@...ux-m68k.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: Add the code maturity levels DEPRECATED and OBSOLETE.

On Tue, Feb 20, 2007 at 05:47:43PM -0500, Robert P. J. Day wrote:
> On Tue, 20 Feb 2007, Tilman Schmidt wrote:
> 
> > On Sun, 18 Feb 2007 19:35:07 +0100, Bartlomiej Zolnierkiewicz wrote:
> > > I think that the patch is useful and that the distinction between
> > > DEPRECATED and OBSOLETE options is quite clear:
> > >
> > > * DEPRECATED == new better code is available, old code scheduled for removal
> > >
> > > * OBSOLETE == no replacement yet but the code is broken by design
> > >   and unreliable, not scheduled for removal yet
> >
> > Is that really the consensus on these definitions? I thought it was
> > more or less the opposite:
> >
> > * DEPRECATED == no (complete) replacement available yet, but it has
> >   been decided that this code is less than optimal and alternatives
> >   should be preferred
> >
> > * OBSOLETE == replacement available, no reason to use this code anymore
> 
> those original definitions above are not quite the way i worded it.
> please consult the submitted patch to see how i phrased it.
> 
> in a nutshell, my idea of deprecated is: perhaps still supported,
> still being used, but there is a better alternative available right
> now and you should consider switching at your convenience.
> 
> obsolete means dead/unsupported/use at own risk.  might still work but
> no guarantees and could be removed at any time.

This is also my understanding. In MIB's the terms are sued more-or-less
as defined by Robert.

	Sam (non-native)
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