[Xen-devel] [PATCH 2/3] AMD/IOMMU: drop redundant code

[Jan Beulich <jbeulich@xxxxxxxx>]

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 <jbeulich@xxxxxxxx>

--- 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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