This patch set adds iommu_error class event to iommu trace. iommu_error class event can be enabled to trigger when an iommu error occurs. This trace event is intended to be called to report the error information. Trace information includes driver name, device name, iova, and flags.
iommu_error:io_page_fault This patch set depends on the previous patch set that added iommu tracing feature. Reference: http://www.kernelhub.org/?msg=313155&p=2 http://www.kernelhub.org/?msg=313156&p=2 Shuah Khan (2): iommu: Add iommu_error class event to iommu trace iommu: Change iommu driver to call io_page_fault trace event drivers/iommu/iommu-traces.c | 3 +++ include/linux/iommu.h | 2 ++ include/trace/events/iommu.h | 33 +++++++++++++++++++++++++++++++++ 3 files changed, 38 insertions(+) -- 1.8.1.2 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
