CONFIG_IA32_FEAT_CTL (not configurable)

modulename: feat_ctl.ko

configname: CONFIG_IA32_FEAT_CTL

Linux Kernel Configuration
└─>IA32_FEAT_CTL
In linux kernel since version 5.1 (release Date: 2019-05-05)  
source code:
arch/x86/kernel/cpu/feat_ctl.c