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module: add MODULE_STATE_LIVE notify

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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 <mhiramat@redhat.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Masami Hiramatsu 2009-01-06 14:41:54 -08:00 committed by Linus Torvalds
parent 49ad2fd76c
commit 0deddf436a
1 changed files with 2 additions and 0 deletions
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2
kernel/module.c
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@ -2352,6 +2352,8 @@ sys_init_module(void __user *umod,
/* Now it's a first class citizen! Wake up anyone waiting for it. */ /* Now it's a first class citizen! Wake up anyone waiting for it. */
mod->state = MODULE_STATE_LIVE; mod->state = MODULE_STATE_LIVE;
wake_up(&module_wq); wake_up(&module_wq);
blocking_notifier_call_chain(&module_notify_list,
MODULE_STATE_LIVE, mod);
mutex_lock(&module_mutex); mutex_lock(&module_mutex);
/* Drop initial reference. */ /* Drop initial reference. */