iommu/vt-d: Only remove domain when device is removed

joergroedel · joergroedel · commit 1196c2fb0407 · 2014-10-02T11:18:58.000+02:00
This makes sure any RMRR mappings stay in place when the
driver is unbound from the device.

Signed-off-by: Joerg Roedel &lt;jroedel@suse.de&gt;
Tested-by: Jerry Hoemann &lt;jerry.hoemann@hp.com&gt;
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
@@ -3865,8 +3865,7 @@ static int device_notifier(struct notifier_block *nb,
 	if (iommu_dummy(dev))
 		return 0;
 
-	if (action != BUS_NOTIFY_UNBOUND_DRIVER &&
-	    action != BUS_NOTIFY_DEL_DEVICE)
+	if (action != BUS_NOTIFY_REMOVED_DEVICE)
 		return 0;
 
 	domain = find_domain(dev);
