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); | ||
