linux-kernel - arch/arm64/kvm/hyp/nvhe/stacktrace.c:15:1: sparse: sparse: symbol '__pcpu_scope_kvm_stacktrace_info' was not declared. Should it be static?

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Message-ID: <202208200907.k7SaWQ4x-lkp@intel.com>
Date:   Sat, 20 Aug 2022 09:27:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kalesh Singh <kaleshsingh@...gle.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Marc Zyngier <maz@...nel.org>, Fuad Tabba <tabba@...gle.com>
Subject: 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/include/asm/kvm_asm.h
arch/arm64/kvm/hyp/nvhe/stacktrace.c
arch/arm64/kvm/hyp/nvhe/switch.c
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   50cd95ac46548429e5bba7ca75cc97d11a697947
commit: 879e5ac7b2e4db05799a905b5a07fc9e5dedf651 KVM: arm64: Prepare non-protected nVHE hypervisor stacktrace
date:   4 weeks ago
config: arm64-randconfig-s042-20220820 (https://download.01.org/0day-ci/archive/20220820/202208200907.k7SaWQ4x-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=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 SHELL=/bin/bash arch/arm64/kvm/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.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?

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	

-- 
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https://01.org/lkp