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| author |   Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | 2008-04-21 14:34:31 +0200 |
|---|---|---|
| committer |   Rusty Russell <rusty@rustcorp.com.au> | 2008-05-01 21:15:01 +1000 |
| commit | df4b565e1fbc777bb6e274378a41fa8ff7485680 (patch) | |
| tree | 8b64f22bb57419d57fdd4914645bafeaf9171733 /kernel | |
| parent | module: Enhance verify_export_symbols (diff) | |
| download | linux-dev-df4b565e1fbc777bb6e274378a41fa8ff7485680.tar.xz linux-dev-df4b565e1fbc777bb6e274378a41fa8ff7485680.zip | |
module: add MODULE_STATE_GOING notifier call
Provide module unload callback. Required by the gcov profiling
infrastructure to keep track of profiling data structures.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/module.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/kernel/module.c b/kernel/module.c index d2d093e74165..8674a390a2e8 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -745,12 +745,13 @@ sys_delete_module(const char __user *name_user, unsigned int flags) if (!forced && module_refcount(mod) != 0) wait_for_zero_refcount(mod); + mutex_unlock(&module_mutex); /* Final destruction now noone is using it. */ - if (mod->exit != NULL) { - mutex_unlock(&module_mutex); + if (mod->exit != NULL) mod->exit(); - mutex_lock(&module_mutex); - } + blocking_notifier_call_chain(&module_notify_list, + MODULE_STATE_GOING, mod); + mutex_lock(&module_mutex); /* Store the name of the last unloaded module for diagnostic purposes */ strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module)); free_module(mod); @@ -2191,6 +2192,8 @@ sys_init_module(void __user *umod, mod->state = MODULE_STATE_GOING; synchronize_sched(); module_put(mod); + blocking_notifier_call_chain(&module_notify_list, + MODULE_STATE_GOING, mod); mutex_lock(&module_mutex); free_module(mod); mutex_unlock(&module_mutex); |