| |
|
 |
|
 |
|
|
|
| |
|
|
xen-devel
Re: [konrad.wilk@xxxxxxxxxx: [Xen-devel] [PATCH 1 of 1] Intel VT-D: Don'
On Wed, Mar 10, 2010 at 04:42:19PM +0800, Zhang, Xiantao wrote:
> Jan Beulich wrote:
> >>>> Konrad Rzeszutek Wilk 03/09/10 6:34 PM >>>
> >>
> >> What are you guys feeling about this patch?
> >
> > My main question is whether just disabling x2apic in this case is
> > sufficient (i.e. whether instead we shouldn't disable iommu, or at
> > least interrupt remapping, altogether).
>
> iommu_enable is called after this point, and it also has sanity-check to
> determine whether enable or disable iommu and its related features. This
> early check is only used to determine whether to enable x2apic because it
> must be enabled at very early time if supported.
Exactly. So the x2APIC is turned off here and then later on the
Interrupt Remaping is turned off as well.
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
|
|
|
| |
|
Home