Commit-ID: 8e7a7ee9ddd5d4275f1194ef2cc243ea86b0fb6f Gitweb: http://git.kernel.org/tip/8e7a7ee9ddd5d4275f1194ef2cc243ea86b0fb6f Author: Len Brown <len.br...@intel.com> AuthorDate: Fri, 18 Nov 2016 01:23:18 -0500 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Fri, 18 Nov 2016 12:07:56 +0100
x86/idle: Remove idle_notifier Upon removal of the i7300_idle driver, the idle_notifer is unused. Signed-off-by: Len Brown <len.br...@intel.com> Acked-by: Ingo Molnar <mi...@kernel.org> Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org> Link: http://lkml.kernel.org/r/f15385a82ec4bf51f4f06777193d83f03b28cfdd.1479449716.git.len.br...@intel.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- arch/x86/include/asm/idle.h | 7 ------- arch/x86/kernel/process.c | 15 --------------- 2 files changed, 22 deletions(-) diff --git a/arch/x86/include/asm/idle.h b/arch/x86/include/asm/idle.h index c5d1785..02bab09 100644 --- a/arch/x86/include/asm/idle.h +++ b/arch/x86/include/asm/idle.h @@ -1,13 +1,6 @@ #ifndef _ASM_X86_IDLE_H #define _ASM_X86_IDLE_H -#define IDLE_START 1 -#define IDLE_END 2 - -struct notifier_block; -void idle_notifier_register(struct notifier_block *n); -void idle_notifier_unregister(struct notifier_block *n); - #ifdef CONFIG_X86_64 void enter_idle(void); void exit_idle(void); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 0888a87..f519507 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -67,19 +67,6 @@ 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 /* @@ -255,14 +242,12 @@ 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); } 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); } /* Called from interrupts to signify idle end */
