From a419246ac7c2d9282dfd843103702895bb3f3fd7 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 14 Nov 2008 17:47:38 -0500 Subject: markers: use module notifier Impact: cleanup Use module notifiers instead of adding a hook in module.c. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- kernel/marker.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'kernel/marker.c') diff --git a/kernel/marker.c b/kernel/marker.c index 22cd7bae63e0..348e70cc355a 100644 --- a/kernel/marker.c +++ b/kernel/marker.c @@ -846,3 +846,32 @@ void *marker_get_private_data(const char *name, marker_probe_func *probe, return ERR_PTR(-ENOENT); } EXPORT_SYMBOL_GPL(marker_get_private_data); + +int marker_module_notify(struct notifier_block *self, + unsigned long val, void *data) +{ + struct module *mod = data; + + switch (val) { + case MODULE_STATE_COMING: + marker_update_probe_range(mod->markers, + mod->markers + mod->num_markers); + break; + case MODULE_STATE_GOING: + marker_update_probe_range(mod->markers, + mod->markers + mod->num_markers); + break; + } + return 0; +} + +struct notifier_block marker_module_nb = { + .notifier_call = marker_module_notify, + .priority = 0, +}; + +static int init_markers(void) +{ + return register_module_notifier(&marker_module_nb); +} +__initcall(init_markers); -- cgit v1.2.3-59-g8ed1b