Hi Bennie, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: cd9eb9b4365b71652b2c2ac58293bea47c9f9302 commit: 69181c3c9413ccaa4dab458057d13efda520cb60 [3541/3541] Net: nebula_matrix: fix ci build warning config: x86_64-randconfig-121-20251212 (https://download.01.org/0day-ci/archive/20251213/202512130423.1ubNFGvk-lkp@i...) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251213/202512130423.1ubNFGvk-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512130423.1ubNFGvk-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:32:5: sparse: sparse: symbol 'nbl_serv_setup_queues' was not declared. Should it be static? drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:68:6: sparse: sparse: symbol 'nbl_serv_flush_rx_queues' was not declared. Should it be static? drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:77:5: sparse: sparse: symbol 'nbl_serv_setup_rings' was not declared. Should it be static? drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:124:6: sparse: sparse: symbol 'nbl_serv_stop_rings' was not declared. Should it be static? drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2116:6: sparse: sparse: symbol 'nbl_serv_pldmfw_op_pci_match_record' was not declared. Should it be static? drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2528:38: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void * @@ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2528:38: sparse: expected void const [noderef] __user *from drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2528:38: sparse: got void *

...

drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2540:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got void * @@ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2540:29: sparse: expected void [noderef] __user *to drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2540:29: sparse: got void * drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c:2851:5: sparse: sparse: symbol 'nbl_serv_get_vf_base_vsi_id' was not declared. Should it be static? drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c: note: in included file (through arch/x86/include/asm/uaccess.h, include/linux/uaccess.h, include/linux/sched/task.h, ...): arch/x86/include/asm/uaccess_64.h:88:24: sparse: sparse: cast removes address space '__user' of expression arch/x86/include/asm/uaccess_64.h:88:24: sparse: sparse: cast removes address space '__user' of expression

vim +2540 drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_service.c bad535d287c9c10 Bennie Yan 2024-09-24 2511 bad535d287c9c10 Bennie Yan 2024-09-24 2512 static int nbl_serv_process_passthrough(struct nbl_service_mgt *serv_mgt, bad535d287c9c10 Bennie Yan 2024-09-24 2513 unsigned int cmd, unsigned long arg) bad535d287c9c10 Bennie Yan 2024-09-24 2514 { bad535d287c9c10 Bennie Yan 2024-09-24 2515 struct nbl_dispatch_ops *disp_ops = NBL_SERV_MGT_TO_DISP_OPS(serv_mgt); bad535d287c9c10 Bennie Yan 2024-09-24 2516 struct nbl_common_info *common = NBL_SERV_MGT_TO_COMMON(serv_mgt); bad535d287c9c10 Bennie Yan 2024-09-24 2517 struct nbl_passthrough_fw_cmd_param *param = NULL, *result = NULL; bad535d287c9c10 Bennie Yan 2024-09-24 2518 int ret = 0; bad535d287c9c10 Bennie Yan 2024-09-24 2519 bad535d287c9c10 Bennie Yan 2024-09-24 2520 param = kzalloc(sizeof(*param), GFP_KERNEL); bad535d287c9c10 Bennie Yan 2024-09-24 2521 if (!param) bad535d287c9c10 Bennie Yan 2024-09-24 2522 goto alloc_param_fail; bad535d287c9c10 Bennie Yan 2024-09-24 2523 bad535d287c9c10 Bennie Yan 2024-09-24 2524 result = kzalloc(sizeof(*result), GFP_KERNEL); bad535d287c9c10 Bennie Yan 2024-09-24 2525 if (!result) bad535d287c9c10 Bennie Yan 2024-09-24 2526 goto alloc_result_fail; bad535d287c9c10 Bennie Yan 2024-09-24 2527 bad535d287c9c10 Bennie Yan 2024-09-24 2528 ret = copy_from_user(param, (void *)arg, _IOC_SIZE(cmd)); bad535d287c9c10 Bennie Yan 2024-09-24 2529 if (ret) { bad535d287c9c10 Bennie Yan 2024-09-24 2530 nbl_err(common, NBL_DEBUG_ST, "Bad access %d.\n", ret); bad535d287c9c10 Bennie Yan 2024-09-24 2531 return ret; bad535d287c9c10 Bennie Yan 2024-09-24 2532 } bad535d287c9c10 Bennie Yan 2024-09-24 2533 bad535d287c9c10 Bennie Yan 2024-09-24 2534 nbl_debug(common, NBL_DEBUG_ST, "Passthough opcode: %d\n", param->opcode); bad535d287c9c10 Bennie Yan 2024-09-24 2535 bad535d287c9c10 Bennie Yan 2024-09-24 2536 ret = disp_ops->passthrough_fw_cmd(NBL_SERV_MGT_TO_DISP_PRIV(serv_mgt), param, result); bad535d287c9c10 Bennie Yan 2024-09-24 2537 if (ret) bad535d287c9c10 Bennie Yan 2024-09-24 2538 goto passthrough_fail; bad535d287c9c10 Bennie Yan 2024-09-24 2539 bad535d287c9c10 Bennie Yan 2024-09-24 @2540 ret = copy_to_user((void *)arg, result, _IOC_SIZE(cmd)); bad535d287c9c10 Bennie Yan 2024-09-24 2541 bad535d287c9c10 Bennie Yan 2024-09-24 2542 passthrough_fail: bad535d287c9c10 Bennie Yan 2024-09-24 2543 kfree(result); bad535d287c9c10 Bennie Yan 2024-09-24 2544 alloc_result_fail: bad535d287c9c10 Bennie Yan 2024-09-24 2545 kfree(param); bad535d287c9c10 Bennie Yan 2024-09-24 2546 alloc_param_fail: bad535d287c9c10 Bennie Yan 2024-09-24 2547 return ret; bad535d287c9c10 Bennie Yan 2024-09-24 2548 } bad535d287c9c10 Bennie Yan 2024-09-24 2549 :::::: The code at line 2540 was first introduced by commit :::::: bad535d287c9c1056d99de3666be7da84de4a8fc Net:nbl_core: Add nbl_core-driver for nebula-matrix S1055AS series smart NIC. :::::: TO: Bennie Yan <bennie.yan@nebula-matrix.com> :::::: CC: Bennie Yan <bennie.yan@nebula-matrix.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki