Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0

H. Peter Anvin
2011-10-12T23:55:31Z

On 10/12/2011 04:40 PM, Jeremy Fitzhardinge wrote:
> On 10/12/2011 03:49 PM, H. Peter Anvin wrote:
>> The stickiest part of all of this is where to leave the microcode so
>> the kernel can get to it way early. We could use the linked list, but
>> that would mean bootloader enabling; another idea was to stick it as a
>> prefix to the initramfs identified by a signature.
>
> I think it would be easiest for the multiboot case if it were a separate
> file, but I don't feel I'm really up on all the details.

For the multiboot case, yes of course.

Some bootloaders allow initramfs to be concatenated from multiple files;
unfortunately I'm not sure if Grub ever grew that capability. Sigh.

-hpa