Hi Yi-De, kernel test robot noticed the following build warnings: [auto build test WARNING on arm64/for-next/core] [also build test WARNING on robh/for-next arnd-asm-generic/master linus/master v6.3 next-20230428] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Yi-De-Wu/docs-geniezone-Introduce-GenieZone-hypervisor/20230428-183738 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20230428103622.18291-5-yi-de.wu%40mediatek.com patch subject: [PATCH v2 4/7] virt: geniezone: Add vcpu support config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20230429/202304291412.EiKEO9uy-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 12.1.0 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://github.com/intel-lab-lkp/linux/commit/d4ced06ba2f149b099e9bf745a0e451c43e9d823 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Yi-De-Wu/docs-geniezone-Introduce-GenieZone-hypervisor/20230428-183738 git checkout d4ced06ba2f149b099e9bf745a0e451c43e9d823 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304291412.EiKEO9uy-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> arch/arm64/geniezone/../../../drivers/virt/geniezone/gzvm_vcpu.c:145:6: warning: no previous prototype for 'gzvm_destroy_vcpu' [-Wmissing-prototypes] 145 | void gzvm_destroy_vcpu(struct gzvm_vcpu *vcpu) | ^~~~~~~~~~~~~~~~~ vim +/gzvm_destroy_vcpu +145 arch/arm64/geniezone/../../../drivers/virt/geniezone/gzvm_vcpu.c 143 144 /* caller must hold the vm lock */ > 145 void gzvm_destroy_vcpu(struct gzvm_vcpu *vcpu) 146 { 147 if (!vcpu) 148 return; 149 150 gzvm_arch_destroy_vcpu(vcpu->gzvm->vm_id, vcpu->vcpuid); 151 /* clean guest's data */ 152 memset(vcpu->run, 0, GZVM_VCPU_RUN_MAP_SIZE); 153 free_pages_exact(vcpu->run, GZVM_VCPU_RUN_MAP_SIZE); 154 kfree(vcpu); 155 } 156 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
