Hi Tao, kernel test robot noticed the following build warnings: [auto build test WARNING on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Tao-Chen/bpf-selftests-Add-selftests-for-token-info/20250711-175057 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20250711094517.931999-1-chen.dylane%40linux.dev patch subject: [PATCH bpf-next 1/2] bpf: Add struct bpf_token_info config: csky-randconfig-r111-20250712 (https://download.01.org/0day-ci/archive/20250712/202507122257.0a0VYeq4-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 15.1.0 reproduce: (https://download.01.org/0day-ci/archive/20250712/202507122257.0a0VYeq4-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202507122257.0a0VYeq4-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> kernel/bpf/token.c:104:31: sparse: sparse: symbol 'bpf_token_iops' was not declared. Should it be static? kernel/bpf/token.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, ...): arch/csky/include/asm/uaccess.h:110:17: sparse: sparse: cast removes address space '__user' of expression arch/csky/include/asm/uaccess.h:110:17: sparse: sparse: asm output is not an lvalue arch/csky/include/asm/uaccess.h:110:17: sparse: sparse: cast removes address space '__user' of expression arch/csky/include/asm/uaccess.h:110:17: sparse: sparse: generating address of non-lvalue (11) vim +/bpf_token_iops +104 kernel/bpf/token.c 103 > 104 const struct inode_operations bpf_token_iops = { }; 105 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
