Re: [PATCH] modpost: Add flag -f for making section mismatches fatal

From: Jonathan Kliegman
Date: Thu Jan 03 2013 - 16:40:23 EST

On Thu, Jan 3, 2013 at 4:06 AM, Michal Marek <mmarek@xxxxxxx> wrote:
> Dne 3.1.2013 00:56, Rusty Russell napsal(a):
> > Jonathan Kliegman <kliegs@xxxxxxxxxxxx> writes:
> >> The section mismatch warning can be easy to miss during the kernel build
> >> process. Allow it to be marked as fatal to be easily caught and prevent
> >> bugs from slipping in.
> >>
> >> Signed-off-by: Jonathan Kliegman <kliegs@xxxxxxxxxxxx>
> >
> > Hmm, a CONFIG option with no Kconfig entry? That seems weird...
> With a Kconfig entry, all{mod,yes}configs would start failing. It can be
> enabled with make CONFIG_SECTION_MISMATCH_FATAL=y for now. Maybe it
> could be added to Kconfig with 'depends on n', so that it is documented
> somewhere.
Sorry for missing the Kconfig entry. It looks like init/Kconfig in
the "General setup" seems the best fit as that looks like where the
other build options are. If this is ok I'll upload a new version of
the patch with the entry added.

I'm not sure what you mean about configs failing. After adding this
option to init/Kconfig I was able to build fine using old and new
configs with and without the option set. Is there something specific
you'd like me to test for?

> Michal
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