Remove has_strcpy check following probe provider version bump

[lttng-ust.git] / include / lttng / ust-events.h

diff --git a/include/lttng/ust-events.h b/include/lttng/ust-events.h
index 4b31c0e1a9d7ee9bff03208ebdc121f79d3a89e0..938e12bcd248cdd31f9352d42c88de30fed34b46 100644 (file)
--- a/include/lttng/ust-events.h
+++ b/include/lttng/ust-events.h
@@ -503,6 +503,13 @@ struct lttng_channel_ops {
        void (*channel_destroy)(struct lttng_channel *chan);
        union {
                void *_deprecated1;
+               /*
+                * has_strcpy is needed by probe providers version 1.0 to
+                * dynamically detect whether the LTTng-UST tracepoint
+                * provider ABI implements event_strcpy. Starting from
+                * probe providers version 2.0, the check is not needed,
+                * but backward compatibility is provided for older versions.
+                */
                unsigned long has_strcpy:1;             /* ABI has strcpy */
        } u;
        void *_deprecated2;