Borislav Petkov (AMD) fcf8239ad6 x86/microcode/AMD: Handle the case of no BIOS microcode ...

Machines can be shipped without any microcode in the BIOS. Which means,
the microcode patch revision is 0.

Handle that gracefully.

Fixes: 94838d230a ("x86/microcode/AMD: Use the family,model,stepping encoded in the patch ID")
Reported-by: Vítek Vávra <vit.vavra.kh@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>

2025-08-27 10:24:10 +02:00

..

amd_shas.c

x86/microcode/AMD: Add TSA microcode SHAs

2025-06-17 17:17:12 +02:00

amd.c

x86/microcode/AMD: Handle the case of no BIOS microcode

2025-08-27 10:24:10 +02:00

core.c

x86/microcode: Move away from using a fake platform device

2025-07-09 13:12:08 +02:00

intel-ucode-defs.h

x86/cpu: Help users notice when running old Intel microcode

2025-04-22 08:33:52 +02:00

intel.c

Merge branch 'x86/msr' into x86/core, to resolve conflicts

2025-05-13 10:42:06 +02:00

internal.h

x86/microcode: Consolidate the loader enablement checking

2025-05-05 10:51:00 +02:00

Makefile

x86/microcode: Hide the config knob

2023-08-13 10:26:39 +02:00