From 1139b38db5491c4b5736fbf38d533a2875025fce Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 28 Oct 2022 13:06:52 +0200
Subject: [PATCH] Update comment (amend bd339713)

---
 libs/ardour/graph.cc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libs/ardour/graph.cc b/libs/ardour/graph.cc
index 65e1b0bfc3..7f8f9a192d 100644
--- a/libs/ardour/graph.cc
+++ b/libs/ardour/graph.cc
@@ -321,8 +321,6 @@ Graph::run_one ()
 		DEBUG_TRACE (DEBUG::ProcessThreads, string_compose ("%1 goes to sleep\n", pthread_name ()));
 		_execution_sem.wait ();
 
-		/* update the thread-local tempo map ptr */
-
 		if (g_atomic_int_get (&_terminate)) {
 			return;
 		}
@@ -335,6 +333,12 @@ Graph::run_one ()
 		_trigger_queue.pop_front (to_run);
 	}
 
+	/* Update the thread-local tempo map ptr.
+	 *
+	 * Doing this here is problematic, since it can result in each thread,
+	 * using a different tempo-map in a given cycle. And even different maps
+	 * in the same cycle for different routes.
+	 */
 	Temporal::TempoMap::fetch ();
 
 	/* Process the graph-node */