CONFIG_FRV_OUTOFLINE_ATOMIC_OPS is not available for thedefaultarchitecture x86.
Result is shown for architecture frv
default or selected kernelversion does not have config value CONFIG_FRV_OUTOFLINE_ATOMIC_OPS.
Result is shown for kernelversion 6.7-rc3

Out-of-line the FRV atomic operations

configname: CONFIG_FRV_OUTOFLINE_ATOMIC_OPS

Linux Kernel Configuration
└─>Fujitsu FR-V system setup
└─>Out-of-line the FRV atomic operations
In linux kernel since version 2.6.12  
Setting this option causes the FR-V atomic operations to be mostly
implemented out-of-line.

See Documentation/frv/atomic-ops.txt for more information.