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SubjectRe: [PATCH 3/3] xen/microcode: partially enable even for non-privileged kernels
On Thu, Nov 11, 2010 at 03:58:06PM -0800, Jeremy Fitzhardinge wrote:
> From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
>
> Don't attempt to load microcode on non-privileged kernels. Kernels

The previous patch had this:

if (!xen_initial_domain())
+ return NULL;

which pretty much made non-priviliged kernels not do any micro code loading.

It sounds like this patch is just to not compile the Xen microcode code
if CONFIG_DOM0 is not enabled?

> compiled without privileged support just get vestigial Xen detection
> to skip loading altogether; kernels with privileged support will
> load microcode if running privileged. In either case, the normal
> Intel/AMD microcode loader is skipped under Xen.


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