CONFIG_HAVE_MARCH_Z9_109_FEATURES is not available for thedefaultarchitecture x86.
Result is shown for architecture s390
CONFIG_HAVE_MARCH_Z9_109_FEATURES (not configurable)
configname: CONFIG_HAVE_MARCH_Z9_109_FEATURES
Linux Kernel Configuration
└─>Processor type and features
└─>HAVE_MARCH_Z9_109_FEATURES