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SubjectRe: [PATCH 2.6.19-rc5-mm2] fs/dlm: fix recursive dependency in Kconfig
On Mon, Nov 20, 2006 at 03:35:28PM -0800, Randy Dunlap wrote:
> On Mon, 20 Nov 2006 18:45:09 +0100 Adrian Bunk wrote:
>
> > On Mon, Nov 20, 2006 at 12:45:11PM +0100, Stefan Richter wrote:
> > >...
> > > Anyway. Whatever you chose to do (or already have chosen to do) in
> > > fs/dlm/Kconfig, keep in mind that the "select" keyword is presently only
> > > poorly supported by the various .config generators and that it forces UI
> > > considerations into the Kconfig files which should better not be
> > > overloaded with UI issues. Or in other words: It is rather easy to write
> > > correct and well-supported Kconfig files if you stick with "depend on",
> > > but you get into trouble fast with generous usage of "select".
> >
> > For variables like NET or INET it doesn't matter in practice whether you
> > use "select" or "depends on". But for other variables it makes it really
> > hard for users to enable an option if you use "depends on".
>
> Doing a "select" NET or INET enables a ton of code, which IMO
> should be done explicitly, not covertly by a select.

It seems you misunderstood my statement.

Let me try to phrase it differently:

A "depends on INET" is no problem for users since virtually everyone has
INET enabled.

But a "depends on IP_SCTP" or a "depends on I2C_ALGOBIT" is a
dependency that might create serious problems for users.

> ~Randy

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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