module: add MODULE_STATE_LIVE notify

Add a module notifier call which notifies that the state of a module
changes from MODULE_STATE_COMING to MODULE_STATE_LIVE.

Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Ananth N Mavinakayanahalli <[email protected]>
Cc: Anil S Keshavamurthy <[email protected]>
Acked-by: Rusty Russell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/kernel/module.c b/kernel/module.c
index cc79c942c572c872d3e68c8d656563e2620fe0e4..496dcb57b608e0e6c60ebc5a1be002761bdf66a2 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2352,6 +2352,8 @@ sys_init_module(void __user *umod,
        /* Now it's a first class citizen!  Wake up anyone waiting for it. */
        mod->state = MODULE_STATE_LIVE;
        wake_up(&module_wq);
+       blocking_notifier_call_chain(&module_notify_list,
+                                    MODULE_STATE_LIVE, mod);
 
        mutex_lock(&module_mutex);
        /* Drop initial reference. */