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

From: kernel test robot
Date: Tue Aug 24 2021 - 11:58:58 EST


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@xxxxxxxxx>


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@xxxxxxx>
:::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

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

Attachment: .config.gz
Description: application/gzip