CONFIG_CAVIUM_OCTEON_LOCK_L2_EXCEPTION is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
Lock the exception handler in L2
configname: CONFIG_CAVIUM_OCTEON_LOCK_L2_EXCEPTION
Linux Kernel Configuration
└─>Lock the exception handler in L2
In linux kernel since version 2.6.29 (release Date: 2009-03-23)
Lock the low level exception handler into L2.