default or selected kernelversion does not have config value CONFIG_ARCH_HAS_DEBUG_VIRTUAL.
Result is shown for kernelversion 6.9-rc5

CONFIG_ARCH_HAS_DEBUG_VIRTUAL (not configurable)

configname: CONFIG_ARCH_HAS_DEBUG_VIRTUAL

Linux Kernel Configuration
└─>Kernel hacking
└─>Memory Debugging
└─>ARCH_HAS_DEBUG_VIRTUAL
In linux kernel since version 3.10 (release Date: 2013-06-30)