diff options
author | Todd Poynor <toddpoynor@google.com> | 2011-06-15 17:21:57 -0700 |
---|---|---|
committer | Arve Hjønnevåg <arve@android.com> | 2013-07-01 13:40:30 -0700 |
commit | 302467bb15d4cb3486696bd4063a72237749c73f (patch) | |
tree | 53ec2738c77a3c3ffaabfe392e11164d7fe3e1f8 /kernel/cpu.c | |
parent | d343106d122c349d1e14e00b12d37b1f7d38d5b5 (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/cpu.c')
-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 198a38883e64..f2d0575f9a33 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -726,3 +726,23 @@ 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); |