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-rw-r--r--Documentation/ABI/stable/sysfs-driver-dma-idxd8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
index 73ab86196a41..5d0df57f5298 100644
--- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
+++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -335,3 +335,11 @@ Description: Show the number of Completion Record (CR) faults failures that this
driver cannot fault in the address for the CR. Typically this is caused
by a bad address programmed in the submitted descriptor or a malicious
submitter is using bad CR address on purpose.
+
+What: /sys/bus/dsa/devices/wq<m>.<n>/dsa<x>\!wq<m>.<n>/file<y>/pid
+Date: Sept 14, 2022
+KernelVersion: 6.4.0
+Contact: dmaengine@vger.kernel.org
+Description: Show the process id of the application that opened the file. This is
+ helpful information for a monitor daemon that wants to kill the
+ application that opened the file.