Add Xen microcode update driver for Wheezy
See  for my analysis of the available options and  for the
original announcement of the microcode packages.
As discussed in  I intend to forward port the Xen support for the
microcode driver -- it is very self contained.
Grave due to the potential for data loss as described in .
On Tue, 2012-11-06 at 15:43 +0100, Stephan Seitz wrote:
> On Mon, Nov 05, 2012 at 06:12:53PM -0200, Henrique de Moraes Holschuh wrote:
> >I would like to bring to your attention the improved support for system
> >processor (CPU) microcode updates, for x86/i686/x86-64/amd64 systems
> >that was recently added to [non-free] Wheezy.
> Alas, this will not work for XEN users because I can’t update the
> microcode in Dom0 with xen-hypervisor 4.1. There exist kernel patches
> (over a year old), but according to the xen-devel ML they are not good
> enough to be included in the kernel.
> With XEN 4.2 the hypervisor can load the CPU microcode. Would this be
> a reason to include XEN 4.2 in Wheezy?
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