diff options
| author | Todd Poynor <toddpoynor@google.com> | 2011-06-15 17:21:57 -0700 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2014-04-21 22:34:44 -0500 |
| commit | f1ed5cfb77e78b0ae290b43a840157dabaf9968c (patch) | |
| tree | 87e70e254b645015a30cafe909608453cd217d4c /arch/x86/kernel | |
| parent | dcffc1a226f8d9422b9d8c62dc6b9ab9e8360e9c (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 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/process.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 59b90379cb6a..48f439953436 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -40,19 +40,6 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS; #ifdef CONFIG_X86_64 static DEFINE_PER_CPU(unsigned char, is_idle); -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); #endif struct kmem_cache *task_xstate_cachep; @@ -257,14 +244,14 @@ static inline void play_dead(void) void enter_idle(void) { this_cpu_write(is_idle, 1); - atomic_notifier_call_chain(&idle_notifier, IDLE_START, NULL); + idle_notifier_call_chain(IDLE_START); } static void __exit_idle(void) { if (x86_test_and_clear_bit_percpu(0, is_idle) == 0) return; - atomic_notifier_call_chain(&idle_notifier, IDLE_END, NULL); + idle_notifier_call_chain(IDLE_END); } /* Called from interrupts to signify idle end */ |