From: Joerg Roedel <[email protected]> This makes sure any RMRR mappings stay in place when the driver is unbound from the device.
Signed-off-by: Joerg Roedel <[email protected]> --- drivers/iommu/intel-iommu.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 5619f26..eaf825a 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3865,16 +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) - return 0; - - /* - * If the device is still attached to a device driver we can't - * tear down the domain yet as DMA mappings may still be in use. - * Wait for the BUS_NOTIFY_UNBOUND_DRIVER event to do that. - */ - if (action == BUS_NOTIFY_DEL_DEVICE && dev->driver != NULL) + if (action != BUS_NOTIFY_REMOVED_DEVICE) return 0; domain = find_domain(dev); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
