Messages in this thread | | | Date | Sun, 21 Aug 2022 02:15:59 +0800 | From | kernel test robot <> | Subject | arch/arm64/kvm/hyp/nvhe/stacktrace.c:38:1: sparse: sparse: symbol '__pcpu_scope_pkvm_stacktrace' was not declared. Should it be static? |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 50cd95ac46548429e5bba7ca75cc97d11a697947 commit: 6928bcc84bc4bd9a24a1cb1986418c3de76e1d99 KVM: arm64: Allocate shared pKVM hyp stacktrace buffers date: 4 weeks ago config: arm64-randconfig-s033-20220820 (https://download.01.org/0day-ci/archive/20220821/202208210225.5VNIyPGA-lkp@intel.com/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=6928bcc84bc4bd9a24a1cb1986418c3de76e1d99 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6928bcc84bc4bd9a24a1cb1986418c3de76e1d99 # 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 SHELL=/bin/bash arch/arm64/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
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? >> arch/arm64/kvm/hyp/nvhe/stacktrace.c:38:1: sparse: sparse: symbol '__pcpu_scope_pkvm_stacktrace' was not declared. Should it be static?
vim +/__pcpu_scope_pkvm_stacktrace +38 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 17 /* 18 * hyp_prepare_backtrace - Prepare non-protected nVHE backtrace. 19 * 20 * @fp : frame pointer at which to start the unwinding. 21 * @pc : program counter at which to start the unwinding. 22 * 23 * Save the information needed by the host to unwind the non-protected 24 * nVHE hypervisor stack in EL1. 25 */ 26 static void hyp_prepare_backtrace(unsigned long fp, unsigned long pc) 27 { 28 struct kvm_nvhe_stacktrace_info *stacktrace_info = this_cpu_ptr(&kvm_stacktrace_info); 29 struct kvm_nvhe_init_params *params = this_cpu_ptr(&kvm_init_params); 30 31 stacktrace_info->stack_base = (unsigned long)(params->stack_hyp_va - PAGE_SIZE); 32 stacktrace_info->overflow_stack_base = (unsigned long)this_cpu_ptr(overflow_stack); 33 stacktrace_info->fp = fp; 34 stacktrace_info->pc = pc; 35 } 36 37 #ifdef CONFIG_PROTECTED_NVHE_STACKTRACE > 38 #include <asm/stacktrace/nvhe.h> 39
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