Hi liubo, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 1a47bbfaad6fcbfb4fe3935cb7408d843caf3760 commit: 4232d9005401d839ceeb1a02da34749b6dab1376 [2451/2451] etmem: add CONFIG_ETMEM macro definition for etmem feature config: x86_64-randconfig-074-20241119 (https://download.01.org/0day-ci/archive/20241129/202411290811.5vAiiEa7-lkp@i...) 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/20241129/202411290811.5vAiiEa7-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/202411290811.5vAiiEa7-lkp@intel.com/ All errors (new ones prefixed by >>): ld: warning: arch/x86/lib/retpoline.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker ld: warning: arch/x86/lib/retpoline.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker ld: warning: .tmp_vmlinux.kallsyms1 has a LOAD segment with RWX permissions

...

ld: fs/proc/base.o:(.rodata+0x18a8): undefined reference to `proc_mm_idle_operations' ld: fs/proc/base.o:(.rodata+0x18d0): undefined reference to `proc_mm_swap_operations' ld: fs/proc/base.o:(.rodata+0x23e0): undefined reference to `proc_mm_idle_operations' ld: fs/proc/base.o:(.rodata+0x2408): undefined reference to `proc_mm_swap_operations' ld: crypto/asymmetric_keys/pgp_preload.o: in function `preload_pgp_keys': crypto/asymmetric_keys/pgp_preload.c:110: undefined reference to `pgp_parse_packets' ld: crypto/asymmetric_keys/pgp_public_key.o: in function `pgp_key_parse': crypto/asymmetric_keys/pgp_public_key.c:315: undefined reference to `pgp_parse_packets' ld: crypto/asymmetric_keys/pgp_public_key.c:357: undefined reference to `public_key_subtype' ld: crypto/asymmetric_keys/pgp_public_key.c:357: undefined reference to `public_key_subtype' ld: crypto/asymmetric_keys/pgp_public_key.c:358: undefined reference to `public_key_subtype' ld: crypto/asymmetric_keys/pgp_public_key.c:367: undefined reference to `public_key_free' ld: crypto/asymmetric_keys/pgp_public_key.c:357: undefined reference to `public_key_subtype' ld: crypto/asymmetric_keys/pgp_public_key.o: in function `pgp_process_public_key': crypto/asymmetric_keys/pgp_public_key.c:228: undefined reference to `pgp_parse_public_key' ld: crypto/asymmetric_keys/pgp_public_key.c:234: undefined reference to `pgp_to_public_key_algo' ld: crypto/asymmetric_keys/pgp_public_key.c:234: undefined reference to `pgp_to_public_key_algo'

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_KEY_PARSER Depends on [m]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] && ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=m] Selected by [y]: - PGP_PRELOAD [=y] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki