CONFIG_OMAP_INTERCONNECT_BARRIER is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_OMAP_INTERCONNECT_BARRIER (not configurable)

configname: CONFIG_OMAP_INTERCONNECT_BARRIER

Linux Kernel Configuration
└─>TI OMAP/AM/DM/DRA Family
└─>OMAP_INTERCONNECT_BARRIER
In linux kernel since version 4.1 (release Date: 2015-06-21)