KVM: Fix order passed to iommu_unmap

This is obviously a left-over from the the old interface taking the
size. Apparently a mostly harmless issue with the current iommu_unmap
implementation.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index d2f06be..96048ee 100644 (file)
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -271,7 +271,7 @@ static void kvm_iommu_put_pages(struct kvm *kvm,
                pfn  = phys >> PAGE_SHIFT;
 
                /* Unmap address from IO address space */
                pfn  = phys >> PAGE_SHIFT;
 
                /* Unmap address from IO address space */

-               order       = iommu_unmap(domain, gfn_to_gpa(gfn), PAGE_SIZE);
+               order       = iommu_unmap(domain, gfn_to_gpa(gfn), 0);

                unmap_pages = 1ULL << order;
 
                /* Unpin all pages we just unmapped to not leak any memory */
                unmap_pages = 1ULL << order;
 
                /* Unpin all pages we just unmapped to not leak any memory */