linux-kernel - arch/powerpc/mm/nohash/fsl_book3e.c:61:3: sparse: sparse: symbol 'tlbcam_addrs' was not declared. Should it be static?

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Date:   Wed, 4 May 2022 04:17:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/powerpc/mm/nohash/fsl_book3e.c:61:3: sparse: sparse: symbol
 'tlbcam_addrs' was not declared. Should it be static?

Hi Stephen,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ef8e4d3c2ab1f47f63b6c7e578266b7e5cc9cd1b
commit: 1a76e520ee1831a81dabf8a9a58c6453f700026e powerpc/64e: Tie PPC_BOOK3E_64 to PPC_FSL_BOOK3E
date:   8 weeks ago
config: powerpc64-randconfig-s031-20220503 (https://download.01.org/0day-ci/archive/20220504/202205040405.EMRgwTxn-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 11.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1a76e520ee1831a81dabf8a9a58c6453f700026e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 1a76e520ee1831a81dabf8a9a58c6453f700026e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/

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


sparse warnings: (new ones prefixed by >>)
>> arch/powerpc/mm/nohash/fsl_book3e.c:61:3: sparse: sparse: symbol 'tlbcam_addrs' was not declared. Should it be static?

vim +/tlbcam_addrs +61 arch/powerpc/mm/nohash/fsl_book3e.c

14cf11af6cf608 arch/powerpc/mm/fsl_booke_mmu.c Paul Mackerras 2005-09-26  56  
14cf11af6cf608 arch/powerpc/mm/fsl_booke_mmu.c Paul Mackerras 2005-09-26  57  struct tlbcamrange {
14cf11af6cf608 arch/powerpc/mm/fsl_booke_mmu.c Paul Mackerras 2005-09-26  58  	unsigned long start;
14cf11af6cf608 arch/powerpc/mm/fsl_booke_mmu.c Paul Mackerras 2005-09-26  59  	unsigned long limit;
14cf11af6cf608 arch/powerpc/mm/fsl_booke_mmu.c Paul Mackerras 2005-09-26  60  	phys_addr_t phys;
14cf11af6cf608 arch/powerpc/mm/fsl_booke_mmu.c Paul Mackerras 2005-09-26 @61  } tlbcam_addrs[NUM_TLBCAMS];
14cf11af6cf608 arch/powerpc/mm/fsl_booke_mmu.c Paul Mackerras 2005-09-26  62  

:::::: The code at line 61 was first introduced by commit
:::::: 14cf11af6cf608eb8c23e989ddb17a715ddce109 powerpc: Merge enough to start building in arch/powerpc.

:::::: TO: Paul Mackerras <paulus@...ba.org>
:::::: CC: Paul Mackerras <paulus@...ba.org>

-- 
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https://01.org/lkp