Messages in this thread | | | Date | Mon, 17 Dec 2012 15:34:09 -0800 | Subject | Re: [PATCH v3 08/10] x86/head64.c: Early update ucode in 64-bit | From | Yinghai Lu <> |
| |
On Mon, Dec 17, 2012 at 3:30 PM, Yu, Fenghua <fenghua.yu@intel.com> wrote: > > OSV may need the patchset based on old kernel. So I'll have the patchset ready. Is this the right place to call load_ucode_bsp() in the upstream kernel? > > diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c > index a512f56..e94b90e 100644 > --- a/arch/x86/kernel/head64.c > +++ b/arch/x86/kernel/head64.c > @@ -93,6 +88,11 @@ void __init x86_64_start_kernel(char * real_mode_data) > } > load_idt((const struct desc_ptr *)&idt_descr); > > + /* > + * Load microcode early on BSP. > + */ > + load_ucode_bsp(__va(real_mode_data)); > + > if (console_loglevel == 10) > early_printk("Kernel alive\n"); > it has to be after #PF handler set page table patch...
otherwise when ramdisk is above 1G, customer will get early PF exception.
| |