summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/process.c
diff options
context:
space:
mode:
authorTodd Poynor <toddpoynor@google.com>2011-06-15 17:21:57 -0700
committerArve Hjønnevåg <arve@android.com>2013-07-01 13:40:30 -0700
commit302467bb15d4cb3486696bd4063a72237749c73f (patch)
tree53ec2738c77a3c3ffaabfe392e11164d7fe3e1f8 /arch/x86/kernel/process.c
parentd343106d122c349d1e14e00b12d37b1f7d38d5b5 (diff)
downloadolio-linux-3.10-302467bb15d4cb3486696bd4063a72237749c73f.tar.xz
olio-linux-3.10-302467bb15d4cb3486696bd4063a72237749c73f.zip
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/process.c')
-rw-r--r--arch/x86/kernel/process.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 81a5f5e8f14..1ce8966f248 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 */