CONFIG_IDLE_L1 is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_IDLE_L1.
Result is shown for kernelversion 6.7-rc3
Locate frequently idle function in L1 Memory
configname: CONFIG_IDLE_L1
Linux Kernel Configuration
└─>Blackfin Processor Options
└─>Blackfin Kernel Optimizations
└─>Locate frequently idle function in L1 Memory
In linux kernel since version 2.6.24 (release Date: 2008-01-24)
If enabled, the frequently called idle function is linked
into L1 instruction memory. (less latency)
into L1 instruction memory. (less latency)