Merge remote-tracking branch 'lsk/linux-linaro-lsk-v4.4-android' into linux-linaro...

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kernel / process.c

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 9f7c21c22477e59462d72e930d79a4c2a238a051..57eca132962f56531d3ca72b082f71be519206a1 100644 (file)
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -62,19 +62,6 @@ EXPORT_PER_CPU_SYMBOL(cpu_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
 
 /*
@@ -251,14 +238,14 @@ 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 */