4 files changed, 34 insertions, 22 deletions

diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 5d8a96a910..1eec45e0f3 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -4513,7 +4513,7 @@ true</pre>
       </desc>
     </func>
     <func>
-      <name>spawn(Node, Module, Function, ArgumentList) -> pid()</name>
+      <name>spawn(Node, Module, Function, Args) -> pid()</name>
       <fsummary>Create a new process with a function as entry point on a given node</fsummary>
       <type>
         <v>Node = node()</v>
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c
index 4fc271d41c..6ae9736141 100644
--- a/erts/emulator/beam/beam_bif_load.c
+++ b/erts/emulator/beam/beam_bif_load.c
@@ -337,7 +337,6 @@ BIF_RETTYPE finish_after_on_load_2(BIF_ALIST_2)
 		ep->code[0] == BIF_ARG_1 &&
 		ep->code[4] != 0) {
 		ep->address = (void *) ep->code[4];
-		ep->code[3] = 0;
 		ep->code[4] = 0;
 	    }
 	}
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 5371153a79..761096e9ad 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -3970,13 +3970,13 @@ check_cpu_bind(ErtsSchedulerData *esdp)
 		goto unbind;
 	}
     }
-    else if (cpu_id < 0) /* && scheduler2cpu_map[esdp->no].bound_id >= 0) */ {
+    else if (cpu_id < 0) {
     unbind:
 	/* Get rid of old binding */
 	res = erts_unbind_from_cpu(erts_cpuinfo);
 	if (res == 0)
 	    esdp->cpu_id = scheduler2cpu_map[esdp->no].bound_id = -1;
-	else {
+	else if (res != -ENOTSUP) {
 	    erts_dsprintf_buf_t *dsbufp = erts_create_logger_dsbuf();
 	    erts_dsprintf(dsbufp, "Scheduler %d failed to unbind from cpu %d: %s\n",
 			  (int) esdp->no, cpu_id, erl_errno_id(-res));
diff --git a/erts/emulator/hipe/hipe_bif1.c b/erts/emulator/hipe/hipe_bif1.c
index 5188950e17..8f43811537 100644
--- a/erts/emulator/hipe/hipe_bif1.c
+++ b/erts/emulator/hipe/hipe_bif1.c
@@ -876,22 +876,44 @@ BIF_RETTYPE hipe_bifs_misc_timer_clear_0(BIF_ALIST_0)
  * + The fallback, which is the same as {X,_} = runtime(statistics).
  */
 
+static double fallback_get_hrvtime(void)
+{
+    unsigned long ms_user;
+
+    elapsed_time_both(&ms_user, NULL, NULL, NULL);
+    return (double)ms_user;
+}
+
 #if USE_PERFCTR
 
 #include "hipe_perfctr.h"
-static int hrvtime_is_open;
-#define hrvtime_is_started()	hrvtime_is_open
+static int hrvtime_started;	/* 0: closed, +1: perfctr, -1: fallback */
+#define hrvtime_is_started()	(hrvtime_started != 0)
 
 static void start_hrvtime(void)
 {
     if (hipe_perfctr_hrvtime_open() >= 0)
-	hrvtime_is_open = 1;
+	hrvtime_started = 1;
+    else
+	hrvtime_started = -1;
 }
 
-#define get_hrvtime()		hipe_perfctr_hrvtime_get()
-#define stop_hrvtime()		hipe_perfctr_hrvtime_close()
+static void stop_hrvtime(void)
+{
+    if (hrvtime_started > 0)
+	hipe_perfctr_hrvtime_close();
+    hrvtime_started = 0;
+}
 
-#else
+static double get_hrvtime(void)
+{
+    if (hrvtime_started > 0)
+	return hipe_perfctr_hrvtime_get();
+    else
+	return fallback_get_hrvtime();
+}
+
+#else	/* !USE_PERFCTR */
 
 /*
  * Fallback, if nothing better exists.
@@ -902,15 +924,9 @@ static void start_hrvtime(void)
 #define hrvtime_is_started()	1
 #define start_hrvtime()		do{}while(0)
 #define stop_hrvtime()		do{}while(0)
+#define get_hrvtime()		fallback_get_hrvtime()
 
-static double get_hrvtime(void)
-{
-    unsigned long ms_user;
-    elapsed_time_both(&ms_user, NULL, NULL, NULL);
-    return (double)ms_user;
-}
-
-#endif	/* hrvtime support */
+#endif	/* !USE_PERFCTR */
 
 BIF_RETTYPE hipe_bifs_get_hrvtime_0(BIF_ALIST_0)
 {
@@ -918,11 +934,8 @@ BIF_RETTYPE hipe_bifs_get_hrvtime_0(BIF_ALIST_0)
     Eterm res;
     FloatDef f;
 
-    if (!hrvtime_is_started()) {
+    if (!hrvtime_is_started())
 	start_hrvtime();
-	if (!hrvtime_is_started())
-	    BIF_RET(NIL); /* arity 0 BIFs may not fail */
-    }
     f.fd = get_hrvtime();
     hp = HAlloc(BIF_P, FLOAT_SIZE_OBJECT);
     res = make_float(hp);