On Tue, Oct 11, 2011 at 08:40:05PM -0400, Jeremy Fitzhardinge wrote:
> Ping?
>
> On 09/26/2011 11:17 AM, Jeremy Fitzhardinge wrote:
> > From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
> >
> > Hi all,
> >
> > I'm proposing this for the next merge window v3.2.
> >
> > I originally posted this early this year, and it prompted a debate
> > about what the "proper" way that Linux should do microcode updates,
> > with the general concensus being "earlier", ideally in the bootloader
> > (or in the case of Xen, as the hypervisor boots before starting any
> > domains). However, as far as I know there has been no progress along
> > those lines.
Err,
wait a sec, last time the suggestion was that _because_ xen supports the
multiboot protocol, implementing an early solution would be even easier
for you:
http://marc.info/?l=linux-kernel&m=129667641316947&w=2
Why would a xen microcode solution would even be contingent on how
upstream Linux solves it (and when)?
AFAICT, you want to hand off the microcode image from the bootloader to
the hypervisor and update ucode there - no need for dom0 changes...
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