[kbuild-all] arch/arm64/kvm/hyp/nvhe/hyp-main.c:18:6: warning: no previous prototype for function 'handle_trap'

Hi Andrew, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dfa377c35d70c31139b1274ec49f87d380996c42 commit: 4e3393a969a0bdaae83263918b6824b2d08c3996 KVM: arm64: nVHE: Switch to hyp context for EL2 date: 11 months ago config: arm64-randconfig-r012-20210814 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 62df4df41c939205b2dc0a2a3bfb75b8c1ed74fa) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4e3393a969a0bdaae83263918b6824b2d08c3996 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): void handle_trap(struct kvm_cpu_context *host_ctxt) ^ arch/arm64/kvm/hyp/nvhe/hyp-main.c:18:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void handle_trap(struct kvm_cpu_context *host_ctxt) ^ static 1 warning generated. vim +/handle_trap +18 arch/arm64/kvm/hyp/nvhe/hyp-main.c 14 15 typedef unsigned long (*hypcall_fn_t) 16 (unsigned long, unsigned long, unsigned long); 17 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org