---

yaml --- r: 125614 b: refs/heads/master c: 684f288 h: refs/heads/master v: v3
git-mirror · Jan 3, 2009 · e845d7c · e845d7c
1 parent a445a01
commit e845d7c
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Showing 2 changed files with 27 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 98383fc301c6546af0f3a8a1d3cb8bf218f7e940
+refs/heads/master: 684f2888847b896faafed87ce4733501d2cc283c
diff --git a/trunk/arch/x86/kernel/amd_iommu.c b/trunk/arch/x86/kernel/amd_iommu.c
@@ -1657,4 +1657,30 @@ static void amd_iommu_domain_destroy(struct iommu_domain *dom)
 	dom->priv = NULL;
 }
 
+static void amd_iommu_detach_device(struct iommu_domain *dom,
+				    struct device *dev)
+{
+	struct protection_domain *domain = dom->priv;
+	struct amd_iommu *iommu;
+	struct pci_dev *pdev;
+	u16 devid;
+
+	if (dev->bus != &pci_bus_type)
+		return;
+
+	pdev = to_pci_dev(dev);
+
+	devid = calc_devid(pdev->bus->number, pdev->devfn);
+
+	if (devid > 0)
+		detach_device(domain, devid);
+
+	iommu = amd_iommu_rlookup_table[devid];
+	if (!iommu)
+		return;
+
+	iommu_queue_inv_dev_entry(iommu, devid);
+	iommu_completion_wait(iommu);
+}
+
 #endif