From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Wed, 26 May 2010 19:36:33 +0000 (+0200)
Subject: KVM: Fix order passed to iommu_unmap
X-Git-Url: http://git.alex.org.uk

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
--- 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 */
-		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 */