linux-kernel - [vireshk-pm:cpufreq/arm/linux-next 15/17] drivers/base/arch_topology.c:156:9: sparse: sparse: incorrect type in initializer (different address spaces)

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Message-ID: <202108242312.DH3jDsOZ-lkp@intel.com>
Date:   Tue, 24 Aug 2021 23:57:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Thara Gopinath <thara.gopinath@...aro.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Viresh Kumar <viresh.kumar@...aro.org>
Subject: [vireshk-pm:cpufreq/arm/linux-next 15/17]
 drivers/base/arch_topology.c:156:9: sparse: sparse: incorrect type in
 initializer (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git cpufreq/arm/linux-next
head:   028068a13c533046fd4e37f06fb6efe50c759892
commit: 942914c2f2438d137bcb9b9cb8343de62dc482df [15/17] cpufreq: qcom-cpufreq-hw: Add dcvs interrupt support
config: riscv-randconfig-s032-20210824 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
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: v0.6.3-348-gf0e6938b-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git/commit/?id=942914c2f2438d137bcb9b9cb8343de62dc482df
        git remote add vireshk-pm https://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git
        git fetch --no-tags vireshk-pm cpufreq/arm/linux-next
        git checkout 942914c2f2438d137bcb9b9cb8343de62dc482df
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=riscv 

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 >>)
>> drivers/base/arch_topology.c:156:9: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void const [noderef] __percpu *__vpp_verify @@     got unsigned long * @@
   drivers/base/arch_topology.c:156:9: sparse:     expected void const [noderef] __percpu *__vpp_verify
   drivers/base/arch_topology.c:156:9: sparse:     got unsigned long *

vim +156 drivers/base/arch_topology.c

2ef7a2953c81ee Juri Lelli 2017-05-31  153  
4ca4f26a9c6610 Juri Lelli 2017-05-31  154  void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity)
2ef7a2953c81ee Juri Lelli 2017-05-31  155  {
2ef7a2953c81ee Juri Lelli 2017-05-31 @156  	per_cpu(cpu_scale, cpu) = capacity;
2ef7a2953c81ee Juri Lelli 2017-05-31  157  }
2ef7a2953c81ee Juri Lelli 2017-05-31  158  

:::::: The code at line 156 was first introduced by commit
:::::: 2ef7a2953c81ee6b341e3ffb33570adc894cf4a5 arm, arm64: factorize common cpu capacity default code

:::::: TO: Juri Lelli <juri.lelli@....com>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.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" (30272 bytes)