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authorJoerg Roedel <joro@8bytes.org>2012-12-02 15:40:56 +0100
committerJoerg Roedel <joro@8bytes.org>2012-12-02 16:07:43 +0100
commit310aa95078443c7b7b56c60dbc55b7a11b946edb (patch)
tree1557afb4070dafb59b4c1004ed4b7b38539cc868 /drivers/iommu
parent954e3dd8308501bb00cae4ed655968282dc65314 (diff)
iommu/amd: Remove obsolete comment
The AMD IOMMU driver only uses the page-sizes it gets from IOMMU core and uses the appropriate page-size. So this comment is not necessary. Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 98d74ab564b..c1c74e030a5 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -57,16 +57,6 @@
* physically contiguous memory regions it is mapping into page sizes
* that we support.
*
- * Traditionally the IOMMU core just handed us the mappings directly,
- * after making sure the size is an order of a 4KiB page and that the
- * mapping has natural alignment.
- *
- * To retain this behavior, we currently advertise that we support
- * all page sizes that are an order of 4KiB.
- *
- * If at some point we'd like to utilize the IOMMU core's new behavior,
- * we could change this to advertise the real page sizes we support.
- *
* 512GB Pages are not supported due to a hardware bug
*/
#define AMD_IOMMU_PGSIZES ((~0xFFFUL) & ~(2ULL << 38))