The main change being to make alloc_intremap_entry() capable of allocating a block of entries.
c610867 AMD IOMMU: enable for multi-vector MSI
xen/drivers/passthrough/amd/iommu_intr.c | 63 ++++++++++++++++++++++++------
1 file changed, 51 insertions(+), 12 deletions(-)
Upstream: xenbits.xen.org