../net/smc/smc_ops.c:32:13: warning: ‘smc_ops_unreg’ defined but not used [-Wunused-function]
   32 | static void smc_ops_unreg(struct smc_ops *ops)
      |             ^~~~~~~~~~~~~
../net/smc/smc_ops.c:18:12: warning: ‘smc_ops_reg’ defined but not used [-Wunused-function]
   18 | static int smc_ops_reg(struct smc_ops *ops)
      |            ^~~~~~~~~~~
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?