diff options
author | Todd Poynor <toddpoynor@google.com> | 2011-06-15 17:21:57 -0700 |
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committer | Nitin Garg <nitin.garg@freescale.com> | 2015-04-14 13:59:11 -0500 |
commit | bb3670315f488c15194052a657872185b51813fb (patch) | |
tree | 2fefb7fc436cf971372c8a4465bc14da77175dc1 /kernel | |
parent | 0b3f2b8b1949f0a4e4783857c46e20146074f593 (diff) |
Move x86_64 idle notifiers to generic
Move the x86_64 idle notifiers originally by Andi Kleen and Venkatesh
Pallipadi to generic.
Change-Id: Idf29cda15be151f494ff245933c12462643388d5
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/cpu.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 9a1ba77d6a50..436a93bae9e0 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -722,3 +722,23 @@ void init_cpu_online(const struct cpumask *src) { cpumask_copy(to_cpumask(cpu_online_bits), src); } + +static ATOMIC_NOTIFIER_HEAD(idle_notifier); + +void idle_notifier_register(struct notifier_block *n) +{ + atomic_notifier_chain_register(&idle_notifier, n); +} +EXPORT_SYMBOL_GPL(idle_notifier_register); + +void idle_notifier_unregister(struct notifier_block *n) +{ + atomic_notifier_chain_unregister(&idle_notifier, n); +} +EXPORT_SYMBOL_GPL(idle_notifier_unregister); + +void idle_notifier_call_chain(unsigned long val) +{ + atomic_notifier_call_chain(&idle_notifier, val, NULL); +} +EXPORT_SYMBOL_GPL(idle_notifier_call_chain); |