am 2a9b101a: tuna: prebuilt kernel (perf_event_open security fix)

* commit '2a9b101aca076aa1b84fcaa8a2d94aaa110c5df5':
  tuna: prebuilt kernel (perf_event_open security fix)
diff --git a/kernel b/kernel
index 7602087..7dfdbdc 100644
--- a/kernel
+++ b/kernel
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