4 * (C) Copyright 2006 IBM Corp.
6 * Author: Dwayne Grant McConnell <decimal@us.ibm.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2, or (at your option)
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <linux/file.h>
24 #include <linux/module.h>
25 #include <linux/syscalls.h>
29 static struct spu_coredump_calls *spu_coredump_calls;
30 static DEFINE_MUTEX(spu_coredump_mutex);
32 int arch_notes_size(void)
37 mutex_lock(&spu_coredump_mutex);
38 if (spu_coredump_calls && try_module_get(spu_coredump_calls->owner)) {
39 ret = spu_coredump_calls->arch_notes_size();
40 module_put(spu_coredump_calls->owner);
42 mutex_unlock(&spu_coredump_mutex);
46 void arch_write_notes(struct file *file)
48 mutex_lock(&spu_coredump_mutex);
49 if (spu_coredump_calls && try_module_get(spu_coredump_calls->owner)) {
50 spu_coredump_calls->arch_write_notes(file);
51 module_put(spu_coredump_calls->owner);
53 mutex_unlock(&spu_coredump_mutex);
56 int register_arch_coredump_calls(struct spu_coredump_calls *calls)
61 mutex_lock(&spu_coredump_mutex);
62 if (spu_coredump_calls)
65 spu_coredump_calls = calls;
66 mutex_unlock(&spu_coredump_mutex);
69 EXPORT_SYMBOL_GPL(register_arch_coredump_calls);
71 void unregister_arch_coredump_calls(struct spu_coredump_calls *calls)
73 BUG_ON(spu_coredump_calls != calls);
75 mutex_lock(&spu_coredump_mutex);
76 spu_coredump_calls = NULL;
77 mutex_unlock(&spu_coredump_mutex);
79 EXPORT_SYMBOL_GPL(unregister_arch_coredump_calls);