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-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 3485f8b60d7a..18d8c97f681e 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -57,16 +57,6 @@
#define HT_RANGE_START (0xfd00000000ULL)
#define HT_RANGE_END (0xffffffffffULL)
-/*
- * This bitmap is used to advertise the page sizes our hardware support
- * to the IOMMU core, which will then use this information to split
- * physically contiguous memory regions it is mapping into page sizes
- * that we support.
- *
- * 512GB Pages are not supported due to a hardware bug
- */
-#define AMD_IOMMU_PGSIZES ((~0xFFFUL) & ~(2ULL << 38))
-
#define DEFAULT_PGTABLE_LEVEL PAGE_MODE_3_LEVEL
static DEFINE_SPINLOCK(pd_bitmap_lock);