From 04fa2f7f837601903e5fe0f93bc2af8559d8c035 Mon Sep 17 00:00:00 2001 From: Shuah Khan Date: Tue, 24 Sep 2013 15:21:19 -0600 Subject: iommu: Add 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 Signed-off-by: Shuah Khan Signed-off-by: Joerg Roedel --- drivers/iommu/iommu-traces.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/iommu') diff --git a/drivers/iommu/iommu-traces.c b/drivers/iommu/iommu-traces.c index a2af60f31810..bf3b317ff0c1 100644 --- a/drivers/iommu/iommu-traces.c +++ b/drivers/iommu/iommu-traces.c @@ -22,3 +22,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(detach_device_from_domain); /* iommu_map_unmap */ EXPORT_TRACEPOINT_SYMBOL_GPL(map); EXPORT_TRACEPOINT_SYMBOL_GPL(unmap); + +/* iommu_error */ +EXPORT_TRACEPOINT_SYMBOL_GPL(io_page_fault); -- cgit v1.2.3