CONFIG_L1_PARITY_CHECK is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_L1_PARITY_CHECK.
Result is shown for kernelversion 6.7-rc3

Enable L1 parity check

configname: CONFIG_L1_PARITY_CHECK

Linux Kernel Configuration
└─>BF609 Specific Configuration
└─>Enable L1 parity check
In linux kernel since version 3.14 (release Date: 2014-03-30)  
Enable the L1 parity check in L1 sram. A fault event is raised
when L1 parity error is found.

depends
CONFIG_BF60x