CONFIG_ARM64_WORKAROUND_TRBE_OVERWRITE_FILL_MODE is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64

CONFIG_ARM64_WORKAROUND_TRBE_OVERWRITE_FILL_MODE (not configurable)

configname: CONFIG_ARM64_WORKAROUND_TRBE_OVERWRITE_FILL_MODE

Linux Kernel Configuration
└─>Kernel Features
└─>ARM errata workarounds via the alternatives framework
└─>ARM64_WORKAROUND_TRBE_OVERWRITE_FILL_MODE
In linux kernel since version 5.2 (release Date: 2019-07-07)