diff options
| author | Shuah Khan <shuah.kh@samsung.com> | 2013-09-24 15:21:19 -0600 |
|---|---|---|
| committer | Joerg Roedel <joro@8bytes.org> | 2013-09-25 11:07:04 +0200 |
| commit | 04fa2f7f837601903e5fe0f93bc2af8559d8c035 (patch) | |
| tree | d401bc1773dfc345242ab258294c36596c51a70a /drivers/iommu/iommu-traces.c | |
| parent | 3a50639ca4684476a69314811d89622d78c09448 (diff) | |
| download | lwn-04fa2f7f837601903e5fe0f93bc2af8559d8c035.tar.gz lwn-04fa2f7f837601903e5fe0f93bc2af8559d8c035.zip | |
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 <shuah.kh@samsung.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'drivers/iommu/iommu-traces.c')
| -rw-r--r-- | drivers/iommu/iommu-traces.c | 3 |
1 files changed, 3 insertions, 0 deletions
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); |