diff --git a/[refs] b/[refs]
index 2b66e1952d36..0336e02f1a07 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c156e347d6d3c36b6843c3b168eda61b9a02c827
+refs/heads/master: 98383fc301c6546af0f3a8a1d3cb8bf218f7e940
diff --git a/trunk/arch/x86/kernel/amd_iommu.c b/trunk/arch/x86/kernel/amd_iommu.c
index 6c0bd49cee5f..891d713d9c96 100644
--- a/trunk/arch/x86/kernel/amd_iommu.c
+++ b/trunk/arch/x86/kernel/amd_iommu.c
@@ -1636,4 +1636,25 @@ static int amd_iommu_domain_init(struct iommu_domain *dom)
 	return -ENOMEM;
 }
 
+static void amd_iommu_domain_destroy(struct iommu_domain *dom)
+{
+	struct protection_domain *domain = dom->priv;
+
+	if (!domain)
+		return;
+
+	if (domain->dev_cnt > 0)
+		cleanup_domain(domain);
+
+	BUG_ON(domain->dev_cnt != 0);
+
+	free_pagetable(domain);
+
+	domain_id_free(domain->id);
+
+	kfree(domain);
+
+	dom->priv = NULL;
+}
+
 #endif