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 <jroedel@suse.de>
Tested-by: Jerry Hoemann <jerry.hoemann@hp.com>

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index d1f5caa..eaf825a 100644 (file)
--- 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);