Re: Old microcode CPU matching issue - x86/microcode/intel: Refresh the revisions that determine old_microcode

From: Dave Hansen

Date: Thu Nov 20 2025 - 14:27:28 EST


On 11/20/25 11:13, Sohil Mehta wrote:
> The early loading probably gets affected because intel_get_platform_id()
> relies on boot_cpu_data which isn't initialized when load_ucode_bsp() is
> called very early.

Good point, and thanks for finding those bugs!

We can probably just move back to building the vfm value from CPUID
directly as opposed to reading it from boot_cpu_data.