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authorUlf Hansson <ulf.hansson@stericsson.com>2011-09-19 15:40:54 +0200
committerUlf Hansson <ulf.hansson@stericsson.com>2011-09-19 15:40:54 +0200
commit9ab67899804448f2bea4087bb6e9e4d952a79258 (patch)
tree29ca9054d473e57f6d79638d1d3982f1ffcffcca /arch/x86
parent0de20dc0be1f147959b10903c76f2f41139f417a (diff)
parentf5968c8833f0985b76d38593892acd6558bab149 (diff)
Merge linux-linaro-3.0-2011.07-1-android-1 into..
..linux-linaro-3.0-2011.07-1_glk3.0 Conflicts: arch/arm/common/Makefile drivers/misc/Kconfig drivers/misc/Makefile kernel/printk.c Change-Id: I126f34edb1879981909072beefb2738cad26f951
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/idle.h7
-rw-r--r--arch/x86/kernel/process_64.c18
2 files changed, 2 insertions, 23 deletions
diff --git a/arch/x86/include/asm/idle.h b/arch/x86/include/asm/idle.h
index f49253d7571..f1e4268ef3c 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_64.c b/arch/x86/kernel/process_64.c
index ca6f7ab8df3..63c8aedbe5b 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -56,31 +56,17 @@ asmlinkage extern void ret_from_fork(void);
DEFINE_PER_CPU(unsigned long, old_rsp);
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);
-
void enter_idle(void)
{
percpu_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 */