Hi, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/thinker-li-gmail-com/bpf-refactory-struct_ops-type-initialization-to-a-function/20231102-044820 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20231101204519.677870-10-thinker.li%40gmail.com patch subject: [PATCH bpf-next v9 09/12] bpf, net: switch to dynamic registration config: x86_64-randconfig-013-20231102 (https://download.01.org/0day-ci/archive/20231102/202311021810.n3qVl5OS-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231102/202311021810.n3qVl5OS-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/202311021810.n3qVl5OS-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: kernel/bpf/btf.o: in function `btf_add_struct_ops': >> kernel/bpf/btf.c:8662: undefined reference to `bpf_struct_ops_desc_init' vim +8662 kernel/bpf/btf.c 8619 8620 static int 8621 btf_add_struct_ops(struct btf *btf, struct bpf_struct_ops *st_ops, 8622 struct bpf_verifier_log *log) 8623 { 8624 struct btf_struct_ops_tab *tab, *new_tab; 8625 int i, err; 8626 8627 if (!btf) 8628 return -ENOENT; 8629 8630 /* Assume this function is called for a module when the module is 8631 * loading. 8632 */ 8633 8634 tab = btf->struct_ops_tab; 8635 if (!tab) { 8636 tab = kzalloc(offsetof(struct btf_struct_ops_tab, ops[4]), 8637 GFP_KERNEL); 8638 if (!tab) 8639 return -ENOMEM; 8640 tab->capacity = 4; 8641 btf->struct_ops_tab = tab; 8642 } 8643 8644 for (i = 0; i < tab->cnt; i++) 8645 if (tab->ops[i].st_ops == st_ops) 8646 return -EEXIST; 8647 8648 if (tab->cnt == tab->capacity) { 8649 new_tab = krealloc(tab, 8650 offsetof(struct btf_struct_ops_tab, 8651 ops[tab->capacity * 2]), 8652 GFP_KERNEL); 8653 if (!new_tab) 8654 return -ENOMEM; 8655 tab = new_tab; 8656 tab->capacity *= 2; 8657 btf->struct_ops_tab = tab; 8658 } 8659 8660 tab->ops[btf->struct_ops_tab->cnt].st_ops = st_ops; 8661 > 8662 err = bpf_struct_ops_desc_init(&tab->ops[btf->struct_ops_tab->cnt], btf, log); 8663 if (err) 8664 return err; 8665 8666 btf->struct_ops_tab->cnt++; 8667 8668 return 0; 8669 } 8670 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
