Hi Tianrui, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on kvm/queue] [also build test WARNING on linus/master v6.3-rc3 next-20230321] [cannot apply to kvm/linux-next] [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/Tianrui-Zhao/LoongArch-KVM-Add-kvm-related-header-files/20230321-120249 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue patch link: https://lore.kernel.org/r/20230321035651.598505-28-zhaotianrui%40loongson.cn patch subject: [PATCH v4 27/29] LoongArch: KVM: Implement vcpu world switch config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230321/202303211554.OkK5r3bb-lkp@xxxxxxxxx/config) compiler: loongarch64-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/92ac063f865b08997b28bd090d6fa3986d0f21cb git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Tianrui-Zhao/LoongArch-KVM-Add-kvm-related-header-files/20230321-120249 git checkout 92ac063f865b08997b28bd090d6fa3986d0f21cb # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch prepare 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/202303211554.OkK5r3bb-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): arch/loongarch/kernel/asm-offsets.c:17:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes] 17 | void output_ptreg_defines(void) | ^~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:64:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes] 64 | void output_task_defines(void) | ^~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:79:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes] 79 | void output_thread_info_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:95:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes] 95 | void output_thread_defines(void) | ^~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes] 138 | void output_thread_fpu_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:178:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes] 178 | void output_mm_defines(void) | ^~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:210:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes] 210 | void output_sc_defines(void) | ^~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:218:6: warning: no previous prototype for 'output_signal_defines' [-Wmissing-prototypes] 218 | void output_signal_defines(void) | ^~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:256:6: warning: no previous prototype for 'output_smpboot_defines' [-Wmissing-prototypes] 256 | void output_smpboot_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:266:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes] 266 | void output_pbe_defines(void) | ^~~~~~~~~~~~~~~~~~ >> arch/loongarch/kernel/asm-offsets.c:277:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes] 277 | void output_kvm_defines(void) | ^~~~~~~~~~~~~~~~~~ -- arch/loongarch/kernel/asm-offsets.c:17:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes] 17 | void output_ptreg_defines(void) | ^~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:64:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes] 64 | void output_task_defines(void) | ^~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:79:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes] 79 | void output_thread_info_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:95:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes] 95 | void output_thread_defines(void) | ^~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:138:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes] 138 | void output_thread_fpu_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:178:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes] 178 | void output_mm_defines(void) | ^~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:210:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes] 210 | void output_sc_defines(void) | ^~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:218:6: warning: no previous prototype for 'output_signal_defines' [-Wmissing-prototypes] 218 | void output_signal_defines(void) | ^~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:256:6: warning: no previous prototype for 'output_smpboot_defines' [-Wmissing-prototypes] 256 | void output_smpboot_defines(void) | ^~~~~~~~~~~~~~~~~~~~~~ arch/loongarch/kernel/asm-offsets.c:266:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes] 266 | void output_pbe_defines(void) | ^~~~~~~~~~~~~~~~~~ >> arch/loongarch/kernel/asm-offsets.c:277:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes] 277 | void output_kvm_defines(void) | ^~~~~~~~~~~~~~~~~~ <stdin>:569:2: warning: #warning syscall fstat not implemented [-Wcpp] vim +/output_kvm_defines +277 arch/loongarch/kernel/asm-offsets.c 276 > 277 void output_kvm_defines(void) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
