As we introduced IOMMU_RESV_NOMAP and IOMMU_RESV_MSI regions,
let's prevent those new regions from being mapped.
Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>
---
drivers/iommu/iommu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 6ee529f..a4530ad 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -343,6 +343,9 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group,
start = ALIGN(entry->start, pg_size);
end = ALIGN(entry->start + entry->length, pg_size);
+ if (entry->prot & IOMMU_RESV_MASK)
+ continue;
+
for (addr = start; addr < end; addr += pg_size) {
phys_addr_t phys_addr;
--
1.9.1
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