RE: [PATCH v3 6/6] iommu/vt-d: Remove unnecessary checks in iopf disabling path

[Tian, Kevin]

> From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Sent: Friday, March 24, 2023 8:03 PM
> 
> iommu_unregister_device_fault_handler() and iopf_queue_remove_device()
> are called after device has stopped issuing new page falut requests and
> all outstanding page requests have been drained. They should never fail.
> Trigger a warning if it happens unfortunately.
> 
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>