From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752067AbcKRGYE (ORCPT ); Fri, 18 Nov 2016 01:24:04 -0500 Received: from mail-qt0-f196.google.com ([209.85.216.196]:36588 "EHLO mail-qt0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751095AbcKRGX7 (ORCPT ); Fri, 18 Nov 2016 01:23:59 -0500 From: Len Brown To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Len Brown Subject: [PATCH 2/5] x86: remove idle_notifier Date: Fri, 18 Nov 2016 01:23:18 -0500 Message-Id: X-Mailer: git-send-email 2.11.0.rc1 In-Reply-To: <20161118062321.31569-1-lenb@kernel.org> References: <20161118062321.31569-1-lenb@kernel.org> In-Reply-To: References: Reply-To: Len Brown Organization: Intel Open Source Technology Center Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Len Brown Upon removal of the i7300_idle driver, the idle_notifer is unused. Signed-off-by: Len Brown Acked-by: Peter Zijlstra (Intel) --- 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 c5d1785373ed..02bab09707f2 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 0888a879120f..f51950715145 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 */ -- 2.11.0.rc1