Christoph Hellwig | 1eeb66a | 2007-05-08 00:27:03 -0700 | [diff] [blame] | 1 | |
| 2 | #include <linux/module.h> |
| 3 | #include <linux/notifier.h> |
| 4 | #include <linux/vmalloc.h> |
| 5 | #include <linux/kdebug.h> |
| 6 | |
| 7 | |
| 8 | static ATOMIC_NOTIFIER_HEAD(die_chain); |
| 9 | |
| 10 | int notify_die(enum die_val val, const char *str, |
| 11 | struct pt_regs *regs, long err, int trap, int sig) |
| 12 | { |
| 13 | struct die_args args = { |
| 14 | .regs = regs, |
| 15 | .str = str, |
| 16 | .err = err, |
| 17 | .trapnr = trap, |
| 18 | .signr = sig, |
| 19 | |
| 20 | }; |
| 21 | |
| 22 | return atomic_notifier_call_chain(&die_chain, val, &args); |
| 23 | } |
| 24 | |
| 25 | int register_die_notifier(struct notifier_block *nb) |
| 26 | { |
| 27 | vmalloc_sync_all(); |
| 28 | return atomic_notifier_chain_register(&die_chain, nb); |
| 29 | } |
| 30 | EXPORT_SYMBOL_GPL(register_die_notifier); |
| 31 | |
| 32 | int unregister_die_notifier(struct notifier_block *nb) |
| 33 | { |
| 34 | return atomic_notifier_chain_unregister(&die_chain, nb); |
| 35 | } |
| 36 | EXPORT_SYMBOL_GPL(unregister_die_notifier); |
| 37 | |
| 38 | |