CONFIG_DEBUG_SEMAPHORE is not available for thedefaultarchitecture x86.
Result is shown for architecture alpha
default or selected kernelversion does not have config value CONFIG_DEBUG_SEMAPHORE.
Result is shown for kernelversion 5.4.123

Semaphore debugging


Linux Kernel Configuration
└─>Kernel hacking
└─>Semaphore debugging
In linux kernel since version 2.6.12  
If you say Y here then semaphore processing will issue lots of
verbose debugging messages. If you suspect a semaphore problem or a
kernel hacker asks for this option then say Y. Otherwise say N.