arch/arm64/kvm/arm.c:52:1: sparse: sparse: symbol '__pcpu_scope_kvm_arm_hyp_stack_page' was not declared. Should it be static?

From: kernel test robot
Date: Wed Jan 18 2023 - 15:07:22 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c1649ec55708ae42091a2f1bca1ab49ecd722d55
commit: db129d486ebdf4e3168282236f9d9008b42cac7e KVM: arm64: Implement non-protected nVHE hyp stack unwinder
date: 6 months ago
config: arm64-randconfig-s053-20230118 (https://download.01.org/0day-ci/archive/20230119/202301190323.czPbD4jL-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=db129d486ebdf4e3168282236f9d9008b42cac7e
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout db129d486ebdf4e3168282236f9d9008b42cac7e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>

sparse warnings: (new ones prefixed by >>)
>> arch/arm64/kvm/arm.c:52:1: sparse: sparse: symbol '__pcpu_scope_kvm_arm_hyp_stack_page' was not declared. Should it be static?

vim +/__pcpu_scope_kvm_arm_hyp_stack_page +52 arch/arm64/kvm/arm.c

> 52

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests