On Thu, Oct 15, 2020 at 11:00:29AM +0200, Jean-Philippe Brucker wrote: > IOMMU drivers only need to flush their PRI queue when faults might be > pending. According to the PCIe spec (quoted below) this only happens > when using the "Stop Marker" method. Otherwise the function waits for > pending faults before signaling to the device driver that it can > unbind(). > > Add the IOMMU_UNBIND_FAULT_PENDING flags to unbind(), to tell the IOMMU > driver whether it's worth flushing the queue. As we have no code using the "stop marker" method please just remove the code entirely instead of adding a flag that is just dead code.
