Would a performance hit go unnoticed? Usually (always?) it's not a ROM update, the encrypted microcode blob is loaded into the CPU by the OS on every boot via

Would a performance hit go unnoticed? Usually (always?) it's not a ROM update, the encrypted microcode blob is loaded into the CPU by the OS on every boot via CONFIG_MICROCODE. some linkrot: http://imgur.com/a/z1uLv http://imgur.com/a/z1uLv