diff options
| -rw-r--r-- | arch/x86/kernel/cpu/microcode/intel.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 6515c802346a..0f97ae93441b 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -793,10 +793,10 @@ void __init load_ucode_intel_bsp(void) void load_ucode_intel_ap(void) { struct ucode_blobs *blobs_p; + unsigned long *ptrs, start = 0; struct mc_saved_data *mcs; struct ucode_cpu_info uci; enum ucode_state ret; - unsigned long *ptrs; #ifdef CONFIG_X86_32 mcs = (struct mc_saved_data *)__pa_nodebug(&mc_saved_data); @@ -815,8 +815,20 @@ void load_ucode_intel_ap(void) if (!mcs->num_saved) return; + if (blobs_p->valid) { + start = blobs_p->start; + +#ifdef CONFIG_RANDOMIZE_MEMORY + /* + * Pay attention to CONFIG_RANDOMIZE_MEMORY=y as it shuffles + * physmem mapping too and there we have the initrd. + */ + start += PAGE_OFFSET - __PAGE_OFFSET_BASE; +#endif + } + collect_cpu_info_early(&uci); - ret = load_microcode(mcs, ptrs, blobs_p->start, &uci); + ret = load_microcode(mcs, ptrs, start, &uci); if (ret != UCODE_OK) return; |