1 files changed, 21 insertions, 16 deletions

diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index a8ce45097f3d..bbdfe2a462a0 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -104,6 +104,18 @@ static int __jump_label_text_reserved(struct jump_entry *iter_start,
         return 0;
 }
 
+/* 
+ * Update code which is definitely not currently executing.
+ * Architectures which need heavyweight synchronization to modify
+ * running code can override this to make the non-live update case
+ * cheaper.
+ */
+void __weak arch_jump_label_transform_static(struct jump_entry *entry,
+                                            enum jump_label_type type)
+{
+        arch_jump_label_transform(entry, type); 
+}
+
 static void __jump_label_update(struct jump_label_key *key,
                                 struct jump_entry *entry,
                                 struct jump_entry *stop, int enable)
@@ -121,14 +133,7 @@ static void __jump_label_update(struct jump_label_key *key,
         }
 }
 
-/*
- * Not all archs need this.
- */
-void __weak arch_jump_label_text_poke_early(jump_label_t addr)
-{
-}
-
-static __init int jump_label_init(void)
+void __init jump_label_init(void)
 {
         struct jump_entry *iter_start = __start___jump_table;
         struct jump_entry *iter_stop = __stop___jump_table;
@@ -139,22 +144,22 @@ static __init int jump_label_init(void)
         jump_label_sort_entries(iter_start, iter_stop);
 
         for (iter = iter_start; iter < iter_stop; iter++) {
-                arch_jump_label_text_poke_early(iter->code);
-                if (iter->key == (jump_label_t)(unsigned long)key)
+                struct jump_label_key *iterk;
+
+                iterk = (struct jump_label_key *)(unsigned long)iter->key;
+                arch_jump_label_transform_static(iter, jump_label_enabled(iterk) ?
+                                                 JUMP_LABEL_ENABLE : JUMP_LABEL_DISABLE);
+                if (iterk == key)
                         continue;
 
-                key = (struct jump_label_key *)(unsigned long)iter->key;
-                atomic_set(&key->enabled, 0);
+                key = iterk;
                 key->entries = iter;
 #ifdef CONFIG_MODULES
                 key->next = NULL;
 #endif
         }
         jump_label_unlock();
-
-        return 0;
 }
-early_initcall(jump_label_init);
 
 #ifdef CONFIG_MODULES
 
@@ -212,7 +217,7 @@ void jump_label_apply_nops(struct module *mod)
                 return;
 
         for (iter = iter_start; iter < iter_stop; iter++)
-                arch_jump_label_text_poke_early(iter->code);
+                arch_jump_label_transform_static(iter, JUMP_LABEL_DISABLE);
 }
 
 static int jump_label_add_module(struct module *mod)