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Date:   Wed, 7 Jun 2023 18:57:17 +0530
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Subject: Re: arm: shmobile_defconfig: ld.lld: error: undefined symbol:
 lynx_pcs_destroy
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To:     Geert Uytterhoeven <geert@linux-m68k.org>,
        Naresh Kamboju <naresh.kamboju@linaro.org>
Cc:     open list <linux-kernel@vger.kernel.org>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>,
        lkft-triage@lists.linaro.org,
        clang-built-linux <llvm@lists.linux.dev>,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
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        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Anders Roxell <anders.roxell@linaro.org>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        maxime.chevallier@bootlin.com, joyce.ooi@intel.com
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From:   "Aithal, Srikanth" <sraithal@amd.com>
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On 6/6/2023 2:31 PM, Geert Uytterhoeven wrote:
> Hi Naresh,
> 
> On Tue, Jun 6, 2023 at 10:53 AM Naresh Kamboju
> <naresh.kamboju@linaro.org> wrote:
>> On Tue, 6 Jun 2023 at 14:17, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>>> Following build regressions found while building arm shmobile_defconfig on
>>> Linux next-20230606.
>>>
>>> Regressions found on arm:
>>>
>>>   - build/clang-16-shmobile_defconfig
>>>   - build/gcc-8-shmobile_defconfig
>>>   - build/gcc-12-shmobile_defconfig
>>>   - build/clang-nightly-shmobile_defconfig
>>
>> And mips defconfig builds failed.
>> Regressions found on mips:
>>
>>    - build/clang-16-defconfig
>>    - build/gcc-12-defconfig
>>    - build/gcc-8-defconfig
>>    - build/clang-nightly-defconfig
> 
> Please give my fix a try:
> https://lore.kernel.org/linux-renesas-soc/7b36ac43778b41831debd5c30b5b37d268512195.1686039915.git.geert+renesas@glider.be
On x86 as well seeing couple of issues related to same, not on defconfig 
though..

ERROR: modpost: "lynx_pcs_destroy" 
[drivers/net/ethernet/stmicro/stmmac/stmmac.ko] undefined!
ERROR: modpost: "lynx_pcs_destroy" 
[drivers/net/ethernet/altera/altera_tse.ko] undefined!
make[1]: *** [scripts/Makefile.modpost:136: Module.symvers] Error 1
make: *** [Makefile:1984: modpost] Error 2

Among above issues stmmac issue would be resolved with above mentioned fix.
> 
> Thanks!
> 
> Gr{oetje,eeting}s,
> 
>                          Geert
>