4 ms·

no. microcode changes are provided to the CPU at boot time and are only valid early in the boot process. the machine UEFI/BIOS must apply them.

• tremon 3y ago
  Linux can (and does) apply microcode patches during kernel boot.
  • kzrdude 3y ago
    for example use journalctl -k -g microcode to see log messages related to this: (intel cpu, so revision does not relate to anything AMD) > microcode: microcode updated early to revision 0xa6, date = 2022-06-28
  • naikrovek 3y ago
    oh. every time I think I'm right, I'm wrong, and every time I think I'm wrong, I'm right. except here. I'm always wrong, here.