Merge branch 'rickard/r16/port-optimizations/OTP-10336'

* rickard/r16/port-optimizations/OTP-10336:
  Fix spelling in communication.xml
  Fix unmanaged thread progress delay

2 files changed, 4 insertions, 2 deletions

diff --git a/erts/doc/src/communication.xml b/erts/doc/src/communication.xml
index 6049123f6a..4025e41ef3 100644
--- a/erts/doc/src/communication.xml
+++ b/erts/doc/src/communication.xml
@@ -49,7 +49,7 @@
     signals may be lost if the distribution channel goes down.</p>
     <p>The only signal ordering guarantee given is the following. If
     an entity sends multiple signals to the same destination entity,
-    the order will be preserved. That is, if <c>A</c> send
+    the order will be preserved. That is, if <c>A</c> sends
     a signal <c>S1</c> to <c>B</c>, and later sends
     the signal <c>S2</c> to <c>B</c>, <c>S1</c> is guaranteed not to
     arrive after <c>S2</c>.</p>
@@ -69,7 +69,7 @@
   <section>
     <title>Implementation</title>
     <p>The implementation of different asynchronous signals in the
-    VM may vary over time, but the behavior will always respect this
+    VM may vary over time, but the behaviour will always respect this
     concept of asynchronous signals being passed between entities
     as described above.</p>
     <p>By inspecting the implementation you might notice that some
diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c
index 9678d7e08b..9effdae98e 100644
--- a/erts/emulator/beam/erl_thr_progress.c
+++ b/erts/emulator/beam/erl_thr_progress.c
@@ -797,6 +797,8 @@ leader_update(ErtsThrPrgrData *tpd)
 
 	    ERTS_THR_PROGRESS_STATE_DEBUG_SET_LEADER(tpd->id, 0);
 
+	    intrnl->misc.data.umrefc_ix.waiting
+		= tpd->leader_state.umrefc_ix.waiting;
 	    if (waiting_unmanaged)
 		set_flags |= ERTS_THR_PRGR_LFLG_WAITING_UM;