1 files changed, 2 insertions, 0 deletions
diff --git a/translate-all.c b/translate-all.c
index e6a8b07363..3dd9214904 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -1355,10 +1355,12 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
 #ifdef DEBUG_DISAS
     if (qemu_loglevel_mask(CPU_LOG_TB_OUT_ASM) &&
         qemu_log_in_addr_range(tb->pc)) {
+        qemu_log_lock();
         qemu_log("OUT: [size=%d]\n", gen_code_size);
         log_disas(tb->tc_ptr, gen_code_size);
         qemu_log("\n");
         qemu_log_flush();
+        qemu_log_unlock();
     }
 #endif