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From: Adrian Bunk <bunk@kernel.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-kernel@vger.kernel.org,
	Rusty Russell <rusty@rustcorp.com.au>,
	Christoph Hellwig <hch@infradead.org>,
	netdev@vger.kernel.org
Subject: Re: [RFC 08/11] remove CONFIG_KMOD from net
Date: Tue, 8 Jul 2008 21:40:17 +0300	[thread overview]
Message-ID: <20080708184017.GD11954@cs181140183.pp.htv.fi> (raw)
In-Reply-To: <1215542220.3670.0.camel@johannes.berg>

On Tue, Jul 08, 2008 at 08:37:00PM +0200, Johannes Berg wrote:
> On Tue, 2008-07-08 at 21:30 +0300, Adrian Bunk wrote:
> > On Tue, Jul 08, 2008 at 07:00:23PM +0200, Johannes Berg wrote:
> > >...
> > > --- everything.orig/net/core/dev.c	2008-07-08 18:35:53.000000000 +0200
> > > +++ everything/net/core/dev.c	2008-07-08 18:36:06.000000000 +0200
> > > @@ -4639,7 +4639,7 @@ EXPORT_SYMBOL(br_fdb_get_hook);
> > >  EXPORT_SYMBOL(br_fdb_put_hook);
> > >  #endif
> > >  
> > > -#ifdef CONFIG_KMOD
> > > +#ifdef CONFIG_MODULES
> > >  EXPORT_SYMBOL(dev_load);
> > >  #endif
> > >...
> > 
> > You can remove the #ifdef  
> 
> Eh, no. Not unless I also always compile in dev_load, which as of now
> depends on CONFIG_MODULES. In fact, another hunk in this series makes it
> a static inline when CONFIG_MODULES=n so that callers don't need to take
> care of #ifdef'ing it.

Look at include/linux/module.h:

...
#ifdef CONFIG_MODULES
...
#define EXPORT_SYMBOL(sym)                                      \
        __EXPORT_SYMBOL(sym, "")
...
#else /* !CONFIG_MODULES... */
#define EXPORT_SYMBOL(sym)
...

> johannes

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


  reply	other threads:[~2008-07-08 18:41 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-08 17:00 [RFC 00/11] CONFIG_KMOD removal Johannes Berg
2008-07-08 17:00 ` [RFC 01/11] make CONFIG_KMOD invisible Johannes Berg
2008-07-08 17:00 ` [RFC 02/11] remove CONFIG_KMOD from core kernel code Johannes Berg
2008-07-08 17:00 ` [RFC 03/11] rework try_then_request_module to do less in non-modular kernels Johannes Berg
2008-07-08 17:00 ` [RFC 04/11] remove CONFIG_KMOD from drivers Johannes Berg
2008-07-08 18:30   ` Adrian Bunk
2008-07-08 17:00 ` [RFC 05/11] remove CONFIG_KMOD from sparc64 Johannes Berg
2008-07-08 17:00 ` [RFC 06/11] remove CONFIG_KMOD from fs Johannes Berg
2008-07-08 19:57   ` Adrian Bunk
2008-07-08 20:09     ` Johannes Berg
2008-07-08 20:11     ` Johannes Berg
2008-07-08 17:00 ` [RFC 07/11] remove CONFIG_KMOD from sound Johannes Berg
2008-07-08 18:30   ` Adrian Bunk
2008-07-08 18:38     ` Johannes Berg
2008-07-08 17:00 ` [RFC 08/11] remove CONFIG_KMOD from net Johannes Berg
2008-07-08 18:30   ` Adrian Bunk
2008-07-08 18:37     ` Johannes Berg
2008-07-08 18:40       ` Adrian Bunk [this message]
2008-07-08 18:42         ` Johannes Berg
2008-07-08 17:00 ` [RFC 09/11] remove CONFIG_KMOD from lib Johannes Berg
2008-07-08 17:00 ` [RFC 10/11] remove mention of CONFIG_KMOD from documentation Johannes Berg
2008-07-08 23:29   ` Randy Dunlap
2008-07-08 17:00 ` [RFC 11/11] remove CONFIG_KMOD Johannes Berg
2008-07-09  2:04 ` [RFC 00/11] CONFIG_KMOD removal Rusty Russell
2008-07-09  7:41   ` Johannes Berg

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