On Wed, 2006-08-09 at 08:29 +0200, Sam Ravnborg wrote:
> On Wed, Aug 09, 2006 at 10:32:36AM +0900, Magnus Damm wrote:
>
> > Your patch seems to work as expected if I add a return 0 at the end of
> > modpost.c:secref_whitelist(). I like how you printed out the number of
> > modules being processed.
> Thanks - fixed now. My gcc (3.4.6-r1 from Gentoo did not warn)
Interesting. I have the 3.4.6-r1 ebuild installed too, but I happened to
have the 3.3.6 profile selected by default. Which explains why things
still work as expected here.
> >I have one minor comment about your patch:
> >
> > Modpost seems to get run twice on vmlinux if the kernel is built with
> > "make all". I think it would be best to run modpost on vmlinux only when
> > vmlinux is built - never when modules are processed.
>
> Thesecond time modpost runs vmlinux is used to pick up symbol
> information to check that all symbols are valid etc.
> The alternative was to trust the symbols being read from Module.symvers
> and that would be OK in most cases but I could imagine situations where
> Module.symvers was deleted but vmlinux kept.
>
> So therefore the more expensive solution to run modpost twice on vmlinux
> was chosen.
I understand. I'm not that worried about build performance, more the
fact that all the warnings from vmlinux will get spit out twice.
Thanks,
/ magnus
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