tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c757fc92a3f73734872c7793b97f06434773d65d commit: 879e5ac7b2e4db05799a905b5a07fc9e5dedf651 KVM: arm64: Prepare non-protected nVHE hypervisor stacktrace date: 6 months ago config: arm64-randconfig-s053-20230112 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=879e5ac7b2e4db05799a905b5a07fc9e5dedf651 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 879e5ac7b2e4db05799a905b5a07fc9e5dedf651 # 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 sparse warnings: (new ones prefixed by >>) arch/arm64/kvm/hyp/nvhe/stacktrace.c:12:1: sparse: sparse: symbol '__pcpu_scope_overflow_stack' was not declared. Should it be static? >> arch/arm64/kvm/hyp/nvhe/stacktrace.c:15:1: sparse: sparse: symbol '__pcpu_scope_kvm_stacktrace_info' was not declared. Should it be static? vim +/__pcpu_scope_kvm_stacktrace_info +15 arch/arm64/kvm/hyp/nvhe/stacktrace.c 11 12 DEFINE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack) 13 __aligned(16); 14 > 15 DEFINE_PER_CPU(struct kvm_nvhe_stacktrace_info, kvm_stacktrace_info); 16 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests