1 files changed, 3 insertions, 9 deletions

diff --git a/kernel/module.c b/kernel/module.c
index e8cf636e614b..1a9a3986b136 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1912,12 +1912,6 @@ static noinline struct module *load_module(void __user *umod,
         if (len > 64 * 1024 * 1024 || (hdr = vmalloc(len)) == NULL)
                 return ERR_PTR(-ENOMEM);
 
-        /* Create stop_machine threads since the error path relies on
-         * a non-failing stop_machine call. */
-        err = stop_machine_create();
-        if (err)
-                goto free_hdr;
-
         if (copy_from_user(hdr, umod, len) != 0) {
                 err = -EFAULT;
                 goto free_hdr;
@@ -2303,12 +2297,13 @@ static noinline struct module *load_module(void __user *umod,
         /* Get rid of temporary copy */
         vfree(hdr);
 
-        stop_machine_destroy();
         /* Done! */
         return mod;
 
  unlink:
-        stop_machine(__unlink_module, mod, NULL);
+        /* Unlink carefully: kallsyms could be walking list. */
+        list_del_rcu(&mod->list);
+        synchronize_sched();
         module_arch_cleanup(mod);
  cleanup:
         kobject_del(&mod->mkobj.kobj);
@@ -2331,7 +2326,6 @@ static noinline struct module *load_module(void __user *umod,
         kfree(args);
  free_hdr:
         vfree(hdr);
-        stop_machine_destroy();
         return ERR_PTR(err);
 
  truncated: