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SubjectRe: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0
On Wed, Oct 12, 2011 at 06:49:51PM -0400, 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;

Yep, started looking at that and it means grub legacy and grub2 enabling
at least.

> another idea was to stick it as a prefix
> to the initramfs identified by a signature.

https://bugzilla.redhat.com/show_bug.cgi?id=179127

with the patch there you can do

initrd /initramfs-image1.gz /initramfs-image2.gz

which is exactly what we want.

Bottomline is, extending initrd handling to deal with multiple initrd
images might turn out to be easier to do than the linked list deal.

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Boris.

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