On Tue, Sep 17, 2013 at 04:38:29PM +0800, ZhenHua wrote: > Hi Guys, > Though DMAR_ICS_REG is not used yet, I think this patch is > necessary. So please take a look at it.
You are right, my Spec says the same. It doesn't matter much since the register seems to be unused in the VT-d driver. I applied the patch to iommu/fixes anyway.