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author | Todd Poynor <toddpoynor@google.com> | 2011-06-15 17:21:57 -0700 |
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committer | Todd Poynor <toddpoynor@google.com> | 2011-07-15 15:26:45 -0700 |
commit | 9a736a21691d48cc6e956ce8d49849823fd6af40 (patch) | |
tree | e04b1bfcd4b39cb71c9213c0e0518bccd3a1d8e7 /kernel | |
parent | ce4022b8d1c9e1b380dc5177f955bfe5f1327e3e (diff) | |
download | kernel_samsung_espresso10-9a736a21691d48cc6e956ce8d49849823fd6af40.zip kernel_samsung_espresso10-9a736a21691d48cc6e956ce8d49849823fd6af40.tar.gz kernel_samsung_espresso10-9a736a21691d48cc6e956ce8d49849823fd6af40.tar.bz2 |
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 12b7458..4047707 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -594,3 +594,23 @@ 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); |