Messages in this thread Patch in this message | | | Date | Tue, 28 Jan 2014 17:24:31 +0100 | From | Borislav Petkov <> | Subject | Re: AMD microcode loading broken on 32 bit |
| |
On Thu, Jan 23, 2014 at 02:41:59PM -0500, Boris Ostrovsky wrote: > 32-bit only.
Ok, I think I know what happens. Can you try this one (I missed doing this on 32-bit and 64-bit does it, which would explain why it didn't explode there):
--- diff --git a/arch/x86/kernel/cpu/microcode/amd_early.c b/arch/x86/kernel/cpu/microcode/amd_early.c index 8384c0fa206f..03b759401bc1 100644 --- a/arch/x86/kernel/cpu/microcode/amd_early.c +++ b/arch/x86/kernel/cpu/microcode/amd_early.c @@ -359,7 +359,7 @@ int __init save_microcode_in_initrd_amd(void) pr_info("microcode: updated early to new patch_level=0x%08x\n", ucode_new_rev); - if (!container) + if (!container || !ucode_cpio.data) return -EINVAL; eax = cpuid_eax(0x00000001); -- Regards/Gruss, Boris.
Sent from a fat crate under my desk. Formatting is fine. --
| |