1 files changed, 16 insertions, 3 deletions

diff --git a/migration/threadinfo.c b/migration/threadinfo.c
index 1de8b31855..262990dd75 100644
--- a/migration/threadinfo.c
+++ b/migration/threadinfo.c
@@ -10,23 +10,35 @@
  *  See the COPYING file in the top-level directory.
  */
 
+#include "qemu/osdep.h"
+#include "qemu/queue.h"
+#include "qemu/lockable.h"
 #include "threadinfo.h"
 
+QemuMutex migration_threads_lock;
 static QLIST_HEAD(, MigrationThread) migration_threads;
 
-MigrationThread *MigrationThreadAdd(const char *name, int thread_id)
+static void __attribute__((constructor)) migration_threads_init(void)
+{
+    qemu_mutex_init(&migration_threads_lock);
+}
+
+MigrationThread *migration_threads_add(const char *name, int thread_id)
 {
     MigrationThread *thread =  g_new0(MigrationThread, 1);
     thread->name = name;
     thread->thread_id = thread_id;
 
-    QLIST_INSERT_HEAD(&migration_threads, thread, node);
+    WITH_QEMU_LOCK_GUARD(&migration_threads_lock) {
+        QLIST_INSERT_HEAD(&migration_threads, thread, node);
+    }
 
     return thread;
 }
 
-void MigrationThreadDel(MigrationThread *thread)
+void migration_threads_remove(MigrationThread *thread)
 {
+    QEMU_LOCK_GUARD(&migration_threads_lock);
     if (thread) {
         QLIST_REMOVE(thread, node);
         g_free(thread);
@@ -39,6 +51,7 @@ MigrationThreadInfoList *qmp_query_migrationthreads(Error **errp)
     MigrationThreadInfoList **tail = &head;
     MigrationThread *thread = NULL;
 
+    QEMU_LOCK_GUARD(&migration_threads_lock);
     QLIST_FOREACH(thread, &migration_threads, node) {
         MigrationThreadInfo *info = g_new0(MigrationThreadInfo, 1);
         info->name = g_strdup(thread->name);