Hi Joerg, Thank you for the patch! Yet something to improve: [auto build test ERROR on kvm/linux-next] [also build test ERROR on v5.6-rc2] [cannot apply to tip/x86/core tip/x86/mm next-20200214] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Joerg-Roedel/Linux-as-SEV-ES-Guest-Support/20200214-032020 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: x86_64-randconfig-s0-20200217 (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): >> arch/x86/kernel/cpu/vmware.c:308:34: error: 'vmware_sev_es_hcall_prepare' undeclared here (not in a function); did you mean 'vmware_hypercall_mode'? .runtime.sev_es_hcall_prepare = vmware_sev_es_hcall_prepare, ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vmware_hypercall_mode >> arch/x86/kernel/cpu/vmware.c:309:33: error: 'vmware_sev_es_hcall_finish' undeclared here (not in a function); did you mean 'vmware_sev_es_hcall_prepare'? .runtime.sev_es_hcall_finish = vmware_sev_es_hcall_finish, ^~~~~~~~~~~~~~~~~~~~~~~~~~ vmware_sev_es_hcall_prepare vim +308 arch/x86/kernel/cpu/vmware.c 301 302 const __initconst struct hypervisor_x86 x86_hyper_vmware = { 303 .name = "VMware", 304 .detect = vmware_platform, 305 .type = X86_HYPER_VMWARE, 306 .init.init_platform = vmware_platform_setup, 307 .init.x2apic_available = vmware_legacy_x2apic_available, > 308 .runtime.sev_es_hcall_prepare = vmware_sev_es_hcall_prepare, > 309 .runtime.sev_es_hcall_finish = vmware_sev_es_hcall_finish, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org