1 files changed, 3 insertions, 0 deletions
diff --git a/mjit.c b/mjit.c
index 4842616357..8d2e009c79 100644
--- a/mjit.c
+++ b/mjit.c
@@ -380,6 +380,8 @@ uint8_t *rb_mjit_mem_block = NULL;
 void
 rb_mjit_compile(const rb_iseq_t *iseq)
 {
+    RB_VM_LOCK_ENTER();
+    rb_vm_barrier();
     bool original_call_p = mjit_call_p;
     mjit_call_p = false; // Avoid impacting JIT metrics by itself
 
@@ -387,6 +389,7 @@ rb_mjit_compile(const rb_iseq_t *iseq)
     rb_funcall(rb_MJITCompiler, rb_intern("call"), 1, iseq_ptr);
 
     mjit_call_p = original_call_p;
+    RB_VM_LOCK_LEAVE();
 }
 
 void