Messages in this thread | | | Date | Wed, 10 Aug 2022 08:12:40 +0800 | From | kernel test robot <> | Subject | arch/arm64/kvm/hyp/nvhe/stacktrace.c:46:6: warning: no previous prototype for function 'kvm_nvhe_prepare_backtrace' |
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Hi Kalesh,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 15205c2829ca2cbb5ece5ceaafe1171a8470e62b commit: 879e5ac7b2e4db05799a905b5a07fc9e5dedf651 KVM: arm64: Prepare non-protected nVHE hypervisor stacktrace date: 2 weeks ago config: arm64-randconfig-r034-20220810 (https://download.01.org/0day-ci/archive/20220810/202208100837.3PuoDcEv-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # 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=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/hyp/nvhe/ drivers/vfio/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/arm64/kvm/hyp/nvhe/stacktrace.c:46:6: warning: no previous prototype for function 'kvm_nvhe_prepare_backtrace' [-Wmissing-prototypes] void kvm_nvhe_prepare_backtrace(unsigned long fp, unsigned long pc) ^ arch/arm64/kvm/hyp/nvhe/stacktrace.c:46:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void kvm_nvhe_prepare_backtrace(unsigned long fp, unsigned long pc) ^ static 1 warning generated.
vim +/kvm_nvhe_prepare_backtrace +46 arch/arm64/kvm/hyp/nvhe/stacktrace.c
36 37 /* 38 * kvm_nvhe_prepare_backtrace - prepare to dump the nVHE backtrace 39 * 40 * @fp : frame pointer at which to start the unwinding. 41 * @pc : program counter at which to start the unwinding. 42 * 43 * Saves the information needed by the host to dump the nVHE hypervisor 44 * backtrace. 45 */ > 46 void kvm_nvhe_prepare_backtrace(unsigned long fp, unsigned long pc)
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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