From: Borislav Petkov <[email protected]> Certain patch levels supplied by the BIOS should not be upgraded and overwritten by the microcode loader because doing so leaves the system dead in the water.
The two below provide for filtering out those levels and avoiding the update, thereby making those patch levels final. Borislav Petkov (2): x86/microcode/amd: Extract current patch level read to a function x86/microcode/amd: Do not overwrite final patch levels arch/x86/include/asm/microcode_amd.h | 1 + arch/x86/kernel/cpu/microcode/amd.c | 52 +++++++++++++++++++++++++++++-- arch/x86/kernel/cpu/microcode/amd_early.c | 24 ++++++++------ 3 files changed, 65 insertions(+), 12 deletions(-) -- 2.3.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
