Messages in this thread | | | Date | Fri, 6 Oct 2017 07:43:16 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH v2 09/16] driver core: add iommu device fault reporting data |
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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.pan@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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