Re: 2.6.17-mm2

Andrew Morton
2006-06-25T18:44:25Z

On Sun, 25 Jun 2006 20:23:52 +0200
Sam Ravnborg <sam@ravnborg.org> wrote:

> On Sun, Jun 25, 2006 at 08:16:10AM -0700, Andrew Morton wrote:
> > On Sun, 25 Jun 2006 03:22:43 -0700
> >
> > Actually we should be able to address this pretty simply by disallowing
> > exports of symbols which are in the __init section. There's no sense in
> > exporting something which ain't there.
> >
> > IOW, any reference from __ksymtab, __ksymtab_gpl or __ksymtab_gpl_future
> > into __init or __initdata should be a hard error.
> We could let modpost error out. Then the module does not get build but
> we detect it a bit later than optimal.
>

Well, it doesn't have anything to do with modules per-se. When vmlinux is
post-processed we want to error out if vmlinux is exporting any
__init/__initdata symbols to modules.