Re: second thoughts about DEPRECATED and OBSOLETE maturity levels

From: Robert P. J. Day
Date: Mon Feb 26 2007 - 10:22:32 EST


On Mon, 26 Feb 2007, Sam Ravnborg wrote:

> On Sun, Feb 25, 2007 at 05:07:24PM -0500, Robert P. J. Day wrote:
> >
> > having championed the cause of adding those two code maturity levels
> > to init/Kconfig, i just realized that implementing them as simple
> > dependencies has a *really* annoying shortcoming.
> >
> > in order to display that a kernel config feature is experimental,
> > developers have not only made that feature depend on EXPERIMENTAL, but
> > they've also had to *explicitly* add the trailer "(EXPERIMENTAL)" to
> > the prompt line in the Kconfig file, to make it visually obvious.
> >
> > obviously, it would be *way* nicer if that trailer were produced on
> > the fly for any "EXPERIMENTAL" feature, just as it would be for
> > OBSOLETE or DEPRECATED (or any other maturity levels people can dream
> > up).
>
> I have envisioned that this tag could be added by Kconfig automatically for
> all symbols that are dependent on EXPERIMENTAL.
> To do so the new option syntax could be extended.
> So we had something like:
> config EXPERIMENTAL
> bool "Bla bla"
> option adddisplay=(EXPERIMENTAL)
>
> This would cause all symbols selected by EXPERIMENTAL to have
> the string "(EXPERIMENTAL)" added to the prompt when displayed.
>
> Same could be used for DEPRECATED and OBSOLETE.

yup, that makes much more sense than my original idea of just
introducing simple dependencies.

rday

--
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Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

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