Hi Bennie, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 589aaab51b2a3b112b232f89fd29a5302222d946 commit: 69181c3c9413ccaa4dab458057d13efda520cb60 [1662/1662] Net: nebula_matrix: fix ci build warning config: x86_64-randconfig-103-20241226 (https://download.01.org/0day-ci/archive/20241226/202412261254.xsAWHJld-lkp@i...) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241226/202412261254.xsAWHJld-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/202412261254.xsAWHJld-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dev_user.c:6: In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dev.h:10: In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h:10: In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_product_base.h:10: In file included from drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h:12: In file included from include/linux/pci.h:1669: In file included from include/linux/dmapool.h:14: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:2247: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~

...

drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dev_user.c:458:8: error: call to undeclared function 'eventfd_ctx_fileget'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 458 | ctx = eventfd_ctx_fileget(eventfd.file); | ^ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dev_user.c:458:8: note: did you mean 'eventfd_ctx_fdget'? include/linux/eventfd.h:56:35: note: 'eventfd_ctx_fdget' declared here 56 | static inline struct eventfd_ctx *eventfd_ctx_fdget(int fd) | ^ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dev_user.c:458:6: error: incompatible integer to pointer conversion assigning to 'struct eventfd_ctx *' from 'int' [-Wint-conversion] 458 | ctx = eventfd_ctx_fileget(eventfd.file); | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dev_user.c:475:14: warning: variable 'hw_addr' set but not used [-Wunused-but-set-variable] 475 | u8 __iomem *hw_addr; | ^ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dev_user.c:676:23: warning: variable 'vfn' set but not used [-Wunused-but-set-variable] 676 | unsigned long vaddr, vfn; | ^ drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dev_user.c:1181:27: warning: shift count >= width of type [-Wshift-count-overflow] 1181 | if (dma_get_mask(dev) != DMA_BIT_MASK(64)) | ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:77:54: note: expanded from macro 'DMA_BIT_MASK' 77 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) | ^ ~~~ 8 warnings and 2 errors generated.

vim +/eventfd_ctx_fileget +458 drivers/net/ethernet/nebula-matrix/nbl/nbl_core/nbl_dev_user.c bad535d287c9c1 Bennie Yan 2024-09-24 436 bad535d287c9c1 Bennie Yan 2024-09-24 437 static long nbl_userdev_set_eventfd(struct nbl_adapter *adapter, unsigned long arg) bad535d287c9c1 Bennie Yan 2024-09-24 438 { bad535d287c9c1 Bennie Yan 2024-09-24 439 struct nbl_dev_mgt *dev_mgt = (struct nbl_dev_mgt *)NBL_ADAPTER_TO_DEV_MGT(adapter); bad535d287c9c1 Bennie Yan 2024-09-24 440 struct nbl_dev_user *user = NBL_DEV_MGT_TO_USER_DEV(dev_mgt); bad535d287c9c1 Bennie Yan 2024-09-24 441 struct nbl_channel_ops *chan_ops = NBL_DEV_MGT_TO_CHAN_OPS(dev_mgt); bad535d287c9c1 Bennie Yan 2024-09-24 442 struct eventfd_ctx *ctx; bad535d287c9c1 Bennie Yan 2024-09-24 443 struct fd eventfd; bad535d287c9c1 Bennie Yan 2024-09-24 444 int fd; bad535d287c9c1 Bennie Yan 2024-09-24 445 long ret = 0; bad535d287c9c1 Bennie Yan 2024-09-24 446 bad535d287c9c1 Bennie Yan 2024-09-24 447 if (get_user(fd, (unsigned long __user *)arg)) { bad535d287c9c1 Bennie Yan 2024-09-24 448 dev_err(NBL_ADAPTER_TO_DEV(adapter), "get user fd failed\n"); bad535d287c9c1 Bennie Yan 2024-09-24 449 return -EFAULT; bad535d287c9c1 Bennie Yan 2024-09-24 450 } bad535d287c9c1 Bennie Yan 2024-09-24 451 bad535d287c9c1 Bennie Yan 2024-09-24 452 eventfd = fdget(fd); bad535d287c9c1 Bennie Yan 2024-09-24 453 if (!eventfd.file) { bad535d287c9c1 Bennie Yan 2024-09-24 454 dev_err(NBL_ADAPTER_TO_DEV(adapter), "get eventfd failed\n"); bad535d287c9c1 Bennie Yan 2024-09-24 455 return -EBADF; bad535d287c9c1 Bennie Yan 2024-09-24 456 } bad535d287c9c1 Bennie Yan 2024-09-24 457 bad535d287c9c1 Bennie Yan 2024-09-24 @458 ctx = eventfd_ctx_fileget(eventfd.file); bad535d287c9c1 Bennie Yan 2024-09-24 459 if (IS_ERR(ctx)) { bad535d287c9c1 Bennie Yan 2024-09-24 460 ret = PTR_ERR(ctx); bad535d287c9c1 Bennie Yan 2024-09-24 461 dev_err(NBL_ADAPTER_TO_DEV(adapter), "get eventfd ctx failed\n"); bad535d287c9c1 Bennie Yan 2024-09-24 462 return ret; bad535d287c9c1 Bennie Yan 2024-09-24 463 } bad535d287c9c1 Bennie Yan 2024-09-24 464 bad535d287c9c1 Bennie Yan 2024-09-24 465 chan_ops->set_listener_info(NBL_DEV_MGT_TO_CHAN_PRIV(dev_mgt), user->shm_msg_ring, ctx); bad535d287c9c1 Bennie Yan 2024-09-24 466 bad535d287c9c1 Bennie Yan 2024-09-24 467 return ret; bad535d287c9c1 Bennie Yan 2024-09-24 468 } bad535d287c9c1 Bennie Yan 2024-09-24 469 :::::: The code at line 458 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