setup vma->vm_page_prot by vm_get_page_prot()
[linux-2.6.git] / kernel / die_notifier.c
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