Hi Paul, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8006b911c90a4ec09958447d24c8a4c3538f5723 commit: cdc1404a40461faba23c5a5ad40adcc7eecc1580 [1997/7806] lsm,io_uring: add LSM hooks to io_uring config: microblaze-buildonly-randconfig-r002-20211012 (attached as .config) compiler: microblaze-linux-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=cdc1404a40461faba23c5a5ad40adcc7eecc1580 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout cdc1404a40461faba23c5a5ad40adcc7eecc1580 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=microblaze If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> include/linux/lsm_hook_defs.h:408:18: error: 'uring_sqpoll_default' defined but not used [-Werror=unused-const-variable=] 408 | LSM_HOOK(int, 0, uring_sqpoll, void) | ^~~~~~~~~~~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) | ^~~~ security/security.c:711:9: note: in expansion of macro 'DECLARE_LSM_RET_DEFAULT_int' 711 | DECLARE_LSM_RET_DEFAULT_##RET(DEFAULT, NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lsm_hook_defs.h:408:1: note: in expansion of macro 'LSM_HOOK' 408 | LSM_HOOK(int, 0, uring_sqpoll, void) | ^~~~~~~~ >> include/linux/lsm_hook_defs.h:407:18: error: 'uring_override_creds_default' defined but not used [-Werror=unused-const-variable=] 407 | LSM_HOOK(int, 0, uring_override_creds, const struct cred *new) | ^~~~~~~~~~~~~~~~~~~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) | ^~~~ security/security.c:711:9: note: in expansion of macro 'DECLARE_LSM_RET_DEFAULT_int' 711 | DECLARE_LSM_RET_DEFAULT_##RET(DEFAULT, NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lsm_hook_defs.h:407:1: note: in expansion of macro 'LSM_HOOK' 407 | LSM_HOOK(int, 0, uring_override_creds, const struct cred *new) | ^~~~~~~~ include/linux/lsm_hook_defs.h:396:18: error: 'locked_down_default' defined but not used [-Werror=unused-const-variable=] 396 | LSM_HOOK(int, 0, locked_down, enum lockdown_reason what) | ^~~~~~~~~~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) | ^~~~ security/security.c:711:9: note: in expansion of macro 'DECLARE_LSM_RET_DEFAULT_int' 711 | DECLARE_LSM_RET_DEFAULT_##RET(DEFAULT, NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lsm_hook_defs.h:396:1: note: in expansion of macro 'LSM_HOOK' 396 | LSM_HOOK(int, 0, locked_down, enum lockdown_reason what) | ^~~~~~~~ include/linux/lsm_hook_defs.h:392:18: error: 'bpf_prog_alloc_security_default' defined but not used [-Werror=unused-const-variable=] 392 | LSM_HOOK(int, 0, bpf_prog_alloc_security, struct bpf_prog_aux *aux) | ^~~~~~~~~~~~~~~~~~~~~~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) | ^~~~ security/security.c:711:9: note: in expansion of macro 'DECLARE_LSM_RET_DEFAULT_int' 711 | DECLARE_LSM_RET_DEFAULT_##RET(DEFAULT, NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lsm_hook_defs.h:392:1: note: in expansion of macro 'LSM_HOOK' 392 | LSM_HOOK(int, 0, bpf_prog_alloc_security, struct bpf_prog_aux *aux) | ^~~~~~~~ include/linux/lsm_hook_defs.h:390:18: error: 'bpf_map_alloc_security_default' defined but not used [-Werror=unused-const-variable=] 390 | LSM_HOOK(int, 0, bpf_map_alloc_security, struct bpf_map *map) | ^~~~~~~~~~~~~~~~~~~~~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) | ^~~~ security/security.c:711:9: note: in expansion of macro 'DECLARE_LSM_RET_DEFAULT_int' 711 | DECLARE_LSM_RET_DEFAULT_##RET(DEFAULT, NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lsm_hook_defs.h:390:1: note: in expansion of macro 'LSM_HOOK' 390 | LSM_HOOK(int, 0, bpf_map_alloc_security, struct bpf_map *map) | ^~~~~~~~ include/linux/lsm_hook_defs.h:389:18: error: 'bpf_prog_default' defined but not used [-Werror=unused-const-variable=] 389 | LSM_HOOK(int, 0, bpf_prog, struct bpf_prog *prog) | ^~~~~~~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) | ^~~~ security/security.c:711:9: note: in expansion of macro 'DECLARE_LSM_RET_DEFAULT_int' 711 | DECLARE_LSM_RET_DEFAULT_##RET(DEFAULT, NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lsm_hook_defs.h:389:1: note: in expansion of macro 'LSM_HOOK' 389 | LSM_HOOK(int, 0, bpf_prog, struct bpf_prog *prog) | ^~~~~~~~ include/linux/lsm_hook_defs.h:388:18: error: 'bpf_map_default' defined but not used [-Werror=unused-const-variable=] 388 | LSM_HOOK(int, 0, bpf_map, struct bpf_map *map, fmode_t fmode) | ^~~~~~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) | ^~~~ security/security.c:711:9: note: in expansion of macro 'DECLARE_LSM_RET_DEFAULT_int' 711 | DECLARE_LSM_RET_DEFAULT_##RET(DEFAULT, NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lsm_hook_defs.h:388:1: note: in expansion of macro 'LSM_HOOK' 388 | LSM_HOOK(int, 0, bpf_map, struct bpf_map *map, fmode_t fmode) | ^~~~~~~~ include/linux/lsm_hook_defs.h:387:18: error: 'bpf_default' defined but not used [-Werror=unused-const-variable=] 387 | LSM_HOOK(int, 0, bpf, int cmd, union bpf_attr *attr, unsigned int size) | ^~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) | ^~~~ security/security.c:711:9: note: in expansion of macro 'DECLARE_LSM_RET_DEFAULT_int' 711 | DECLARE_LSM_RET_DEFAULT_##RET(DEFAULT, NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lsm_hook_defs.h:387:1: note: in expansion of macro 'LSM_HOOK' 387 | LSM_HOOK(int, 0, bpf, int cmd, union bpf_attr *attr, unsigned int size) | ^~~~~~~~ include/linux/lsm_hook_defs.h:382:18: error: 'audit_rule_match_default' defined but not used [-Werror=unused-const-variable=] 382 | LSM_HOOK(int, 0, audit_rule_match, u32 secid, u32 field, u32 op, void *lsmrule) | ^~~~~~~~~~~~~~~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) | ^~~~ security/security.c:711:9: note: in expansion of macro 'DECLARE_LSM_RET_DEFAULT_int' 711 | DECLARE_LSM_RET_DEFAULT_##RET(DEFAULT, NAME) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lsm_hook_defs.h:382:1: note: in expansion of macro 'LSM_HOOK' 382 | LSM_HOOK(int, 0, audit_rule_match, u32 secid, u32 field, u32 op, void *lsmrule) | ^~~~~~~~ include/linux/lsm_hook_defs.h:381:18: error: 'audit_rule_known_default' defined but not used [-Werror=unused-const-variable=] 381 | LSM_HOOK(int, 0, audit_rule_known, struct audit_krule *krule) | ^~~~~~~~~~~~~~~~ security/security.c:706:32: note: in definition of macro 'LSM_RET_DEFAULT' 706 | #define LSM_RET_DEFAULT(NAME) (NAME##_default) vim +/uring_sqpoll_default +408 include/linux/lsm_hook_defs.h 405 406 #ifdef CONFIG_IO_URING > 407 LSM_HOOK(int, 0, uring_override_creds, const struct cred *new) > 408 LSM_HOOK(int, 0, uring_sqpoll, void) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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