drm/i915/gvt: vGPU display virtualization

[sfrench/cifs-2.6.git] / lib / iommu-helper.c

diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c
index c27e269210c426a9066dea48ecce05577ab35eed..a816f3a806258c8ea08ac787c8eee9841d3204bc 100644 (file)
--- a/lib/iommu-helper.c
+++ b/lib/iommu-helper.c
@@ -29,8 +29,7 @@ again:
        index = bitmap_find_next_zero_area(map, size, start, nr, align_mask);
        if (index < size) {
                if (iommu_is_span_boundary(index, nr, shift, boundary_size)) {
-                       /* we could do more effectively */
-                       start = index + 1;
+                       start = ALIGN(shift + index, boundary_size) - shift;
                        goto again;
                }
                bitmap_set(map, index, nr);