From 0f2bde078ace619fe8e26730495b6ef2c3a2e9bf Mon Sep 17 00:00:00 2001 From: Tiejun Chen Date: Tue, 28 Oct 2014 11:55:04 +0100 Subject: [PATCH] vtd: correct some comments In some cases Dom0 and hardware domain are not one same domain. Signed-off-by: Tiejun Chen --- xen/drivers/passthrough/vtd/iommu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/xen/drivers/passthrough/vtd/iommu.c b/xen/drivers/passthrough/vtd/iommu.c index 1c5298133e..19d8165a87 100644 --- a/xen/drivers/passthrough/vtd/iommu.c +++ b/xen/drivers/passthrough/vtd/iommu.c @@ -1248,7 +1248,7 @@ static void __hwdom_init intel_iommu_hwdom_init(struct domain *d) if ( !iommu_passthrough && !need_iommu(d) ) { - /* Set up 1:1 page table for dom0 */ + /* Set up 1:1 page table for hardware domain. */ vtd_set_hwdom_mapping(d); } @@ -1696,7 +1696,7 @@ static int intel_iommu_map_page( if ( iommu_use_hap_pt(d) ) return 0; - /* do nothing if dom0 and iommu supports pass thru */ + /* Do nothing if hardware domain and iommu supports pass thru. */ if ( iommu_passthrough && is_hardware_domain(d) ) return 0; @@ -1740,7 +1740,7 @@ static int intel_iommu_map_page( static int intel_iommu_unmap_page(struct domain *d, unsigned long gfn) { - /* Do nothing if dom0 and iommu supports pass thru. */ + /* Do nothing if hardware domain and iommu supports pass thru. */ if ( iommu_passthrough && is_hardware_domain(d) ) return 0; -- 2.30.2