The level 1 special exit path is unnecessary in iommu_pde_from_dfn() -
the subsequent code takes care of this case quite fine.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
--- a/xen/drivers/passthrough/amd/iommu_map.c
+++ b/xen/drivers/passthrough/amd/iommu_map.c
@@ -198,12 +198,6 @@ static int iommu_pde_from_dfn(struct dom
next_table_mfn = mfn_x(page_to_mfn(table));
- if ( level == 1 )
- {
- pt_mfn[level] = next_table_mfn;
- return 0;
- }
-
while ( level > 1 )
{
unsigned int next_level = level - 1;
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