Commit | Line | Data |
---|---|---|
1eeb66a1 CH |
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 |