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

This makes sure any RMRR mappings stay in place when the driver is unbound from the device. Signed-off-by: Joerg Roedel <[email protected]> Tested-by: Jerry Hoemann <[email protected]>
torvalds · Oct 2, 2014 · 1196c2f · 1196c2f
1 parent 599bad3
commit 1196c2f
Showing 1 changed file with 1 addition and 2 deletions.
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);