For Linux this is typically handled as an extra 'initrd' that the bootloading process hands off to before giving control over to the next (and real) initrd...

For Linux this is typically handled as an extra 'initrd' that the bootloading process hands off to before giving control over to the next (and real) initrd... https://wiki.archlinux.org/index.php/microcode#Enabling_Intel_microcode_updates https://wiki.archlinux.org/index.php/microcode#Enabling_Inte...