Hi Alexey, Thank you for the patch! Yet something to improve: [auto build test ERROR on powerpc/topic/ppc-kvm] [also build test ERROR on v5.16-rc5] [cannot apply to next-20211214] [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] url: https://github.com/0day-ci/linux/commits/Alexey-Kardashevskiy/KVM-PPC-Mer... base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm config: powerpc-randconfig-r003-20211214 (https://download.01.org/0day-ci/archive/20211215/202112151845.kedQxkhk-lk...) compiler: powerpc-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://github.com/0day-ci/linux/commit/bb4c492cb444748049b4392c1d6f97ca5... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Alexey-Kardashevskiy/KVM-PPC-Merge-powerpc-s-debugfs-entry-content-into-generic-entry/20211215-094051 git checkout bb4c492cb444748049b4392c1d6f97ca5c82f846 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kvm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 498 | .create_vcpu_debugfs = kvmppc_create_vcpu_debugfs_e500, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/kvm/e500.c:498:32: note: (near initialization for 'kvm_ops_e500.create_vcpu_debugfs') cc1: all warnings being treated as errors Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for HOTPLUG_CPU Depends on SMP && (PPC_PSERIES || PPC_PMAC || PPC_POWERNV || FSL_SOC_BOOKE Selected by - PM_SLEEP_SMP && SMP && (ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE && PM_SLEEP vim +498 arch/powerpc/kvm/e500.c 483 484 static struct kvmppc_ops kvm_ops_e500 = { 485 .get_sregs = kvmppc_core_get_sregs_e500, 486 .set_sregs = kvmppc_core_set_sregs_e500, 487 .get_one_reg = kvmppc_get_one_reg_e500, 488 .set_one_reg = kvmppc_set_one_reg_e500, 489 .vcpu_load = kvmppc_core_vcpu_load_e500, 490 .vcpu_put = kvmppc_core_vcpu_put_e500, 491 .vcpu_create = kvmppc_core_vcpu_create_e500, 492 .vcpu_free = kvmppc_core_vcpu_free_e500, 493 .init_vm = kvmppc_core_init_vm_e500, 494 .destroy_vm = kvmppc_core_destroy_vm_e500, 495 .emulate_op = kvmppc_core_emulate_op_e500, 496 .emulate_mtspr = kvmppc_core_emulate_mtspr_e500, 497 .emulate_mfspr = kvmppc_core_emulate_mfspr_e500, 499 }; 500 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org