CONFIG_PPC_IO_WORKAROUNDS is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
CONFIG_PPC_IO_WORKAROUNDS (not configurable)
modulename: io-workarounds.ko
configname: CONFIG_PPC_IO_WORKAROUNDS
Linux Kernel Configuration
└─>Platform support
└─>PPC_IO_WORKAROUNDS