CONFIG_PPC_HAS_LBARX_LHARX is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
CONFIG_PPC_HAS_LBARX_LHARX (not configurable)
configname: CONFIG_PPC_HAS_LBARX_LHARX
Linux Kernel Configuration
└─>PPC_HAS_LBARX_LHARX