netdev - Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro.

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Message-ID: <a8e1da0711220041v3d3c27d2pf7f326185666420d@mail.gmail.com>
Date:	Thu, 22 Nov 2007 16:41:43 +0800
From:	"Dave Young" <hidave.darkstar@...il.com>
To:	"Rusty Russell" <rusty@...tcorp.com.au>
Cc:	"Andi Kleen" <ak@...e.de>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, sam@...nborg.org
Subject: Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro.

On Nov 22, 2007 11:56 AM, Rusty Russell <rusty@...tcorp.com.au> wrote:
> On Thursday 22 November 2007 13:43:06 Andi Kleen wrote:
> > There seems to be rough consensus that the kernel currently has too many
> > exported symbols. A lot of these exports are generally usable utility
> > functions or important driver interfaces; but another large part are
> > functions intended by only one or two very specific modules for a very
> > specific purpose.
>
> Hi Andi,
>
>     This is an interesting idea, thanks for the code!  My only question is
> whether we can get most of this benefit by dropping the indirection of
> namespaces and have something like "EXPORT_SYMBOL_TO(sym, modname)"?

Andy, I like your idea.  IMHO, as Rusty said a simple EXPORT_SYMBOL_TO
is better.

And I wonder if it is possible to export to something like  the struct
device_driver? If it's possible then it will not limited to modules.

> doesn't work so well for exporting to a group of modules, but that seems
> a reasonable line to draw anyway.
>
> Cheers,
> Rusty.
> PS.  Probably better to use the standard warnx and errx in modpost, too.
>
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