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

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

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From: Dave Young

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

Date: Thursday, November 22, 2007 - 1:41 am

On Nov 22, 2007 11:56 AM, Rusty Russell <rusty@rustcorp.com.au> wrote:
quoted text> 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.

quoted text> 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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Messages in current thread:

[PATCH RFC] [1/9] Core module symbol namespaces code and i ..., Andi Kleen, (Wed Nov 21, 7:43 pm)

[PATCH RFC] [2/9] Fix duplicate symbol check to also check ..., Andi Kleen, (Wed Nov 21, 7:43 pm)

[PATCH RFC] [3/9] modpost: Declare the modpost error funct ..., Andi Kleen, (Wed Nov 21, 7:43 pm)

[PATCH RFC] [4/9] modpost: Fix format string warnings, Andi Kleen, (Wed Nov 21, 7:43 pm)

[PATCH RFC] [5/9] modpost: Fix a buffer overflow in modpost, Andi Kleen, (Wed Nov 21, 7:43 pm)

[PATCH RFC] [6/9] Implement namespace checking in modpost, Andi Kleen, (Wed Nov 21, 7:43 pm)

[PATCH RFC] [7/9] Convert TCP exports into namespaces, Andi Kleen, (Wed Nov 21, 7:43 pm)

[PATCH RFC] [8/9] Put UDP exports into a namespace, Andi Kleen, (Wed Nov 21, 7:43 pm)

[PATCH RFC] [9/9] Add a inet namespace, Andi Kleen, (Wed Nov 21, 7:43 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Arjan van de Ven, (Wed Nov 21, 8:03 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Wed Nov 21, 8:37 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Dave Jones, (Wed Nov 21, 8:52 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Wed Nov 21, 8:56 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Dave Young, (Thu Nov 22, 1:41 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Christoph Hellwig, (Thu Nov 22, 4:05 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Christoph Hellwig, (Thu Nov 22, 4:06 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Thu Nov 22, 4:46 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Thu Nov 22, 4:54 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Arnaldo Carvalho de Melo, (Thu Nov 22, 5:01 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Christoph Hellwig, (Thu Nov 22, 5:03 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Thu Nov 22, 11:17 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Thu Nov 22, 11:19 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Thu Nov 22, 5:25 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Thu Nov 22, 5:29 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Thu Nov 22, 6:36 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Dave Young, (Thu Nov 22, 7:06 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Thu Nov 22, 8:35 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Fri Nov 23, 12:53 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Fri Nov 23, 9:53 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Sat Nov 24, 5:39 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Roland Dreier, (Sun Nov 25, 1:27 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Roland Dreier, (Sun Nov 25, 1:29 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Sun Nov 25, 6:23 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Sun Nov 25, 6:25 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Sun Nov 25, 6:28 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Roland Dreier, (Sun Nov 25, 10:58 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Roland Dreier, (Sun Nov 25, 11:15 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Stephen Hemminger, (Mon Nov 26, 11:25 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Roland Dreier, (Mon Nov 26, 3:18 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Mon Nov 26, 9:26 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Mon Nov 26, 9:49 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Tom Tucker, (Mon Nov 26, 10:35 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Tue Nov 27, 2:02 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Tue Nov 27, 3:50 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Herbert Xu, (Tue Nov 27, 6:58 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Tue Nov 27, 7:12 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Herbert Xu, (Tue Nov 27, 7:36 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Jonathan Corbet, (Tue Nov 27, 8:43 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Tue Nov 27, 8:58 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Christoph Hellwig, (Tue Nov 27, 9:33 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Adrian Bunk, (Tue Nov 27, 10:15 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Adrian Bunk, (Tue Nov 27, 10:24 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Tom Tucker, (Tue Nov 27, 10:45 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Adrian Bunk, (Tue Nov 27, 11:59 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Dave Jones, (Tue Nov 27, 12:00 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Valdis.Kletnieks, (Tue Nov 27, 1:02 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Adrian Bunk, (Tue Nov 27, 2:09 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rick Jones, (Tue Nov 27, 2:15 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Dave Jones, (Tue Nov 27, 2:25 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Adrian Bunk, (Tue Nov 27, 2:38 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Jon Masters, (Tue Nov 27, 3:31 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Tue Nov 27, 3:37 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Stephen Hemminger, (Tue Nov 27, 4:00 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Valdis.Kletnieks, (Tue Nov 27, 4:00 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Tue Nov 27, 4:06 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Tue Nov 27, 6:27 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Tue Nov 27, 6:34 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rick Jones, (Tue Nov 27, 7:01 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Tom Tucker, (Tue Nov 27, 9:12 pm)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Adrian Bunk, (Wed Nov 28, 9:48 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Wed Nov 28, 10:31 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Arnd Bergmann, (Thu Nov 29, 2:55 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Andi Kleen, (Thu Nov 29, 3:00 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Arnd Bergmann, (Thu Nov 29, 3:21 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Arjan van de Ven, (Thu Nov 29, 9:53 am)

Re: [PATCH RFC] [1/9] Core module symbol namespaces code a ..., Rusty Russell, (Thu Nov 29, 7:18 pm)

Re: [PATCH RFC] [3/9] modpost: Declare the modpost error f ..., Sam Ravnborg, (Mon Dec 10, 11:50 am)

Re: [PATCH RFC] [4/9] modpost: Fix format string warnings, Sam Ravnborg, (Mon Dec 10, 11:50 am)

Re: [PATCH RFC] [3/9] modpost: Declare the modpost error f ..., Andi Kleen, (Mon Dec 10, 11:58 am)

Re: [PATCH RFC] [5/9] modpost: Fix a buffer overflow in mo ..., Sam Ravnborg, (Mon Dec 10, 12:32 pm)

Re: [PATCH RFC] [5/9] modpost: Fix a buffer overflow in mo ..., Andi Kleen, (Mon Dec 10, 12:57 pm)

Re: [PATCH RFC] [5/9] modpost: Fix a buffer overflow in mo ..., Sam Ravnborg, (Mon Dec 10, 1:07 pm)

Re: [PATCH RFC] [3/9] modpost: Declare the modpost error f ..., Rusty Russell, (Tue Dec 11, 6:37 pm)

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