On Thu, Oct 05, 2017 at 04:03:37PM -0700, Jacob Pan wrote: > DMA faults can be detected by IOMMU at device level. Adding a pointer > to struct device allows IOMMU subsystem to report relevant faults > back to the device driver for further handling. > For direct assigned device (or user space drivers), guest OS holds > responsibility to handle and respond per device IOMMU fault. > Therefore we need fault reporting mechanism to propagate faults beyond > IOMMU subsystem. > > Signed-off-by: Jacob Pan <jacob.jun....@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
