default or selected kernelversion does not have config value CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG.
Result is shown for kernelversion 6.9.9

CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG (not configurable)

configname: CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG

Linux Kernel Configuration
└─>General architecture-dependent options
└─>ARCH_HAVE_NMI_SAFE_CMPXCHG
In linux kernel since version 3.1 (release Date: 2011-10-24)  
is selected by
CONFIG_HIST_TRIGGERS