diff options
Diffstat (limited to 'arch/arm/kernel/iwmmxt-notifier.c')
-rw-r--r-- | arch/arm/kernel/iwmmxt-notifier.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/arch/arm/kernel/iwmmxt-notifier.c b/arch/arm/kernel/iwmmxt-notifier.c deleted file mode 100644 index 0d1a1db40062..000000000000 --- a/arch/arm/kernel/iwmmxt-notifier.c +++ /dev/null | |||
@@ -1,63 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/kernel/iwmmxt-notifier.c | ||
3 | * | ||
4 | * XScale iWMMXt (Concan) context switching and handling | ||
5 | * | ||
6 | * Initial code: | ||
7 | * Copyright (c) 2003, Intel Corporation | ||
8 | * | ||
9 | * Full lazy switching support, optimizations and more, by Nicolas Pitre | ||
10 | * Copyright (c) 2003-2004, MontaVista Software, Inc. | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License version 2 as | ||
14 | * published by the Free Software Foundation. | ||
15 | */ | ||
16 | |||
17 | #include <linux/module.h> | ||
18 | #include <linux/types.h> | ||
19 | #include <linux/kernel.h> | ||
20 | #include <linux/signal.h> | ||
21 | #include <linux/sched.h> | ||
22 | #include <linux/init.h> | ||
23 | #include <asm/thread_notify.h> | ||
24 | #include <asm/io.h> | ||
25 | |||
26 | static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t) | ||
27 | { | ||
28 | struct thread_info *thread = t; | ||
29 | |||
30 | switch (cmd) { | ||
31 | case THREAD_NOTIFY_FLUSH: | ||
32 | /* | ||
33 | * flush_thread() zeroes thread->fpstate, so no need | ||
34 | * to do anything here. | ||
35 | * | ||
36 | * FALLTHROUGH: Ensure we don't try to overwrite our newly | ||
37 | * initialised state information on the first fault. | ||
38 | */ | ||
39 | |||
40 | case THREAD_NOTIFY_RELEASE: | ||
41 | iwmmxt_task_release(thread); | ||
42 | break; | ||
43 | |||
44 | case THREAD_NOTIFY_SWITCH: | ||
45 | iwmmxt_task_switch(thread); | ||
46 | break; | ||
47 | } | ||
48 | |||
49 | return NOTIFY_DONE; | ||
50 | } | ||
51 | |||
52 | static struct notifier_block iwmmxt_notifier_block = { | ||
53 | .notifier_call = iwmmxt_do, | ||
54 | }; | ||
55 | |||
56 | static int __init iwmmxt_init(void) | ||
57 | { | ||
58 | thread_register_notifier(&iwmmxt_notifier_block); | ||
59 | |||
60 | return 0; | ||
61 | } | ||
62 | |||
63 | late_initcall(iwmmxt_init); | ||