default or selected kernelversion does not have config value CONFIG_ARCH_SUPPORTS_ATOMIC_RMW.
Result is shown for kernelversion 6.9-rc5
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW (not configurable)
configname: CONFIG_ARCH_SUPPORTS_ATOMIC_RMW
Linux Kernel Configuration
└─>ARCH_SUPPORTS_ATOMIC_RMW