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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Wed, 8 Aug 2018 14:26:43 +0200
Message-ID: <CAMuHMdW-aaiPVp4wLJDBzE84C1PdS20y688ePWqafnSU=UOSYQ@mail.gmail.com>
Subject: Re: Build regressions/improvements in v4.17-rc1
To:     Michael Ellerman <mpe@ellerman.id.au>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Dan Williams <dan.j.williams@intel.com>,
        linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
        Nicholas Piggin <npiggin@gmail.com>
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On Wed, Aug 8, 2018 at 12:32 PM Michael Ellerman <mpe@ellerman.id.au> wrote:
> Also I haven't been seeing this in my local builds because I have:
>
> CONFIG_LD_DEAD_CODE_DATA_ELIMINATION=y
>
> So I guess we need to work out why that's interfering with section
> mismatch analysis.

One other common case of missing section mismatch warnings is when some
versions of the compiler inline the called function, while other versions don't.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds