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
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3865,8 +3865,7 @@
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);