linux-kernel - [linux-stable-rc:linux-5.4.y 3700/4278] arch/powerpc/math-emu/math_efp.c:927:13: error: a parameter list without types is only allowed in a function definition

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Message-ID: <202108140014.7DtaWr9f-lkp@intel.com>
Date:   Sat, 14 Aug 2021 00:50:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [linux-stable-rc:linux-5.4.y 3700/4278]
 arch/powerpc/math-emu/math_efp.c:927:13: error: a parameter list without
 types is only allowed in a function definition

Hi Michael,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
head:   f52a40401ee9825556cc803c110c67bfec5f6b94
commit: acac3f7d7d2283a1b8bc1e1c286dcd6c96e573e4 [3700/4278] powerpc: Drop -me200 addition to build flags
config: powerpc64-randconfig-r035-20210813 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 62df4df41c939205b2dc0a2a3bfb75b8c1ed74fa)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=acac3f7d7d2283a1b8bc1e1c286dcd6c96e573e4
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-5.4.y
        git checkout acac3f7d7d2283a1b8bc1e1c286dcd6c96e573e4
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash M=arch/powerpc

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> arch/powerpc/math-emu/math_efp.c:927:13: error: a parameter list without types is only allowed in a function definition
   module_init(spe_mathemu_init);
               ^
   1 error generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FSL_EMB_PERFMON
   Depends on E500 || PPC_83xx
   Selected by
   - PPC_FSL_BOOK3E


vim +927 arch/powerpc/math-emu/math_efp.c

ac6f120369ffe6 Liu Yu 2011-01-25  926  
ac6f120369ffe6 Liu Yu 2011-01-25 @927  module_init(spe_mathemu_init);

:::::: The code at line 927 was first introduced by commit
:::::: ac6f120369ffe66058518fabf90cdd53b2503a82 powerpc/85xx: Workaroudn e500 CPU erratum A005

:::::: TO: Liu Yu <yu.liu@...escale.com>
:::::: CC: Kumar Gala <galak@...nel.crashing.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (32977 bytes)