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

H. Peter Anvin
2011-10-12T20:23:19Z

On 10/12/2011 12:18 PM, Jeremy Fitzhardinge wrote:
> If there were a general shift to "this is how we're going to do
> microcode in the future", then Xen will happily go along for the ride.

It *is* how we want to do microcode in the future. There is a prototype
for the Intel hardware side here; we just haven't had time to finalize
it partly because I got pulled onto the kernel.org situation.

> But for right now, this patch seems like the pragmatic solution.

No.

> I think the real question is where there's something objectionable about
> the patch itself?

"It does something that is slightly broken on real hardware and totally
broken for a hypervisor and perpetuates it, while still needing enabling?"

-hpa