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Add TODO for ftrace
[lttng-modules.git]
/
probes
/
lttng-ftrace.c
diff --git
a/probes/lttng-ftrace.c
b/probes/lttng-ftrace.c
index 476d6bce8e50600e0a6691317e3fd39d044c1c1b..b8bd344749b201ecec08b6e93ebcba2715fb08f7 100644
(file)
--- a/
probes/lttng-ftrace.c
+++ b/
probes/lttng-ftrace.c
@@
-11,6
+11,10
@@
* Ftrace function tracer does not seem to provide synchronization between probe
* teardown and callback execution. Therefore, we make this module permanently
* loaded (unloadable).
* Ftrace function tracer does not seem to provide synchronization between probe
* teardown and callback execution. Therefore, we make this module permanently
* loaded (unloadable).
+ *
+ * TODO: Move to register_ftrace_function() (which is exported for
+ * modules) for Linux >= 3.0. It is faster (only enables the selected
+ * functions), and will stay there.
*/
#include <linux/module.h>
*/
#include <linux/module.h>
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