Hi Herbert, kernel test robot noticed the following build errors: [auto build test ERROR on herbert-cryptodev-2.6/master] [also build test ERROR on next-20250226] [cannot apply to soc/for-next linus/master v6.14-rc4] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Herbert-Xu/crypto-lib-Kconfig-Select-and-hide-arch-options/20250226-125220 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master patch link: https://lore.kernel.org/r/Z76aUfPIbhPAsHbv%40gondor.apana.org.au patch subject: [PATCH] crypto: lib/Kconfig - Select and hide arch options config: s390-randconfig-002-20250227 (https://download.01.org/0day-ci/archive/20250227/202502271317.S0YZiPk1-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250227/202502271317.S0YZiPk1-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/202502271317.S0YZiPk1-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): s390-linux-ld: arch/s390/crypto/chacha-glue.o: in function `chacha20_s390': >> chacha-glue.c:(.text+0x30e): undefined reference to `chacha_crypt_generic' s390-linux-ld: arch/s390/crypto/chacha-glue.o: in function `chacha_crypt_arch': chacha-glue.c:(.text+0x3f6): undefined reference to `chacha_crypt_generic' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki