On Tue, Sep 24, 2024 at 6:38 PM Franco Martelli <martelli...@gmail.com> wrote: > > Hi everyone, > > In the latest Debian's minor update (12.7) it was updated the > "amd64-microcode" package, during the update process a message that it > said: "The cpu microcode will be updated at the next reboot" was showed. > > The issue is that I'm running an homemade Kernel image that it had the > CONFIG_MICROCODE_AMD item disabled by me mistakenly, so I'm not sure > that the microcode of my CPU was updated. Of course I've rebuild and > installed a new kernel with that item enabled before rebooting. > > I've read the lscpu's man-page but I didn't find anything about the CPU > microcode version, the following command shows: > > $ cat /proc/cpuinfo | grep microcode | head -1 > microcode : 0x6000822 > > the value returned is from an updated microcode? How can I verify that > the microcode was updated or not?
I think the microcode can be updated at three different times in the boot sequence. See <https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/best-practices/microcode-update-guidance.html>. Jeff