vtd: correct some comments
authorTiejun Chen <tiejun.chen@intel.com>
Tue, 28 Oct 2014 10:55:04 +0000 (11:55 +0100)
committerJan Beulich <jbeulich@suse.com>
Tue, 28 Oct 2014 10:55:04 +0000 (11:55 +0100)
commit0f2bde078ace619fe8e26730495b6ef2c3a2e9bf
treee2ce51d33bfb0b6fec421f3a4e748e9c6f5992d3
parentd7bb8e88a087690feba63ef83c13ba067f041da0
vtd: correct some comments

In some cases Dom0 and hardware domain are not one same domain.

Signed-off-by: Tiejun Chen <tiejun.chen@intel.com>
xen/drivers/passthrough/vtd/iommu.c