linux-kernel - [linux-stable-rc:linux-5.4.y 430/484] arch/powerpc/sysdev/fsl_msi.c:574:37: error: unused variable 'vmpic_msi

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Message-ID: <202108271721.GBFjReaD-lkp@intel.com>
Date:   Fri, 27 Aug 2021 17:17:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: [linux-stable-rc:linux-5.4.y 430/484]
 arch/powerpc/sysdev/fsl_msi.c:574:37: error: unused variable
 'vmpic_msi_feature'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
head:   b1278c4a808e60c56e9e003643698ee5d571b074
commit: a5cd290599168960bf27def8fa405a0614e3cfd4 [430/484] powerpc/barrier: Avoid collision with clang's __lwsync macro
config: powerpc64-randconfig-r001-20210827 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1076082a0d97bd5c16a25ee7cf3dbb6ee4b5a9fe)
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=a5cd290599168960bf27def8fa405a0614e3cfd4
        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 a5cd290599168960bf27def8fa405a0614e3cfd4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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/sysdev/fsl_msi.c:574:37: error: unused variable 'vmpic_msi_feature' [-Werror,-Wunused-const-variable]
   static const struct fsl_msi_feature vmpic_msi_feature = {
                                       ^
   1 error generated.


vim +/vmpic_msi_feature +574 arch/powerpc/sysdev/fsl_msi.c

34e36c1541fe70 Jason Jin  2008-05-23  573  
446bc1ffe4f2ca Timur Tabi 2011-12-13 @574  static const struct fsl_msi_feature vmpic_msi_feature = {
446bc1ffe4f2ca Timur Tabi 2011-12-13  575  	.fsl_pic_ip = FSL_PIC_IP_VMPIC,
446bc1ffe4f2ca Timur Tabi 2011-12-13  576  	.msiir_offset = 0,
446bc1ffe4f2ca Timur Tabi 2011-12-13  577  };
446bc1ffe4f2ca Timur Tabi 2011-12-13  578  

:::::: The code at line 574 was first introduced by commit
:::::: 446bc1ffe4f2cac228909fe0ac48884d12700d81 powerpc/fsl: add MSI support for the Freescale hypervisor

:::::: TO: Timur Tabi <timur@...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" (33838 bytes)