1 files changed, 16 insertions, 19 deletions

diff --git a/monitor/hmp.c b/monitor/hmp.c
index 5cab56d..69c1b7e 100644
--- a/monitor/hmp.c
+++ b/monitor/hmp.c
@@ -1401,45 +1401,42 @@ static void monitor_read(void *opaque, const uint8_t *buf, int size)
 static void monitor_event(void *opaque, QEMUChrEvent event)
 {
     Monitor *mon = opaque;
-    MonitorHMP *hmp_mon = container_of(mon, MonitorHMP, common);
 
     switch (event) {
     case CHR_EVENT_MUX_IN:
         qemu_mutex_lock(&mon->mon_lock);
-        mon->mux_out = 0;
-        qemu_mutex_unlock(&mon->mon_lock);
-        if (mon->reset_seen) {
-            readline_restart(hmp_mon->rs);
+        if (mon->mux_out) {
+            mon->mux_out = 0;
             monitor_resume(mon);
-            monitor_flush(mon);
-        } else {
-            qatomic_mb_set(&mon->suspend_cnt, 0);
         }
+        qemu_mutex_unlock(&mon->mon_lock);
         break;
 
     case CHR_EVENT_MUX_OUT:
-        if (mon->reset_seen) {
-            if (qatomic_mb_read(&mon->suspend_cnt) == 0) {
-                monitor_printf(mon, "\n");
+        qemu_mutex_lock(&mon->mon_lock);
+        if (!mon->mux_out) {
+            if (mon->reset_seen && !mon->suspend_cnt) {
+                monitor_puts_locked(mon, "\n");
+            } else {
+                monitor_flush_locked(mon);
             }
-            monitor_flush(mon);
             monitor_suspend(mon);
-        } else {
-            qatomic_inc(&mon->suspend_cnt);
+            mon->mux_out = 1;
         }
-        qemu_mutex_lock(&mon->mon_lock);
-        mon->mux_out = 1;
         qemu_mutex_unlock(&mon->mon_lock);
         break;
 
     case CHR_EVENT_OPENED:
         monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
                        "information\n", QEMU_VERSION);
+        qemu_mutex_lock(&mon->mon_lock);
+        mon->reset_seen = 1;
         if (!mon->mux_out) {
-            readline_restart(hmp_mon->rs);
-            readline_show_prompt(hmp_mon->rs);
+            /* Suspend-resume forces the prompt to be printed.  */
+            monitor_suspend(mon);
+            monitor_resume(mon);
         }
-        mon->reset_seen = 1;
+        qemu_mutex_unlock(&mon->mon_lock);
         mon_refcount++;
         break;