diff options
Diffstat (limited to 'arch/x86/kernel/process_64.c')
-rw-r--r-- | arch/x86/kernel/process_64.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 480128918926..4523ff88a69d 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c | |||
@@ -61,6 +61,7 @@ DEFINE_PER_CPU(struct task_struct *, current_task) = &init_task; | |||
61 | EXPORT_PER_CPU_SYMBOL(current_task); | 61 | EXPORT_PER_CPU_SYMBOL(current_task); |
62 | 62 | ||
63 | DEFINE_PER_CPU(unsigned long, old_rsp); | 63 | DEFINE_PER_CPU(unsigned long, old_rsp); |
64 | static DEFINE_PER_CPU(unsigned char, is_idle); | ||
64 | 65 | ||
65 | unsigned long kernel_thread_flags = CLONE_VM | CLONE_UNTRACED; | 66 | unsigned long kernel_thread_flags = CLONE_VM | CLONE_UNTRACED; |
66 | 67 | ||
@@ -80,13 +81,13 @@ EXPORT_SYMBOL_GPL(idle_notifier_unregister); | |||
80 | 81 | ||
81 | void enter_idle(void) | 82 | void enter_idle(void) |
82 | { | 83 | { |
83 | write_pda(isidle, 1); | 84 | percpu_write(is_idle, 1); |
84 | atomic_notifier_call_chain(&idle_notifier, IDLE_START, NULL); | 85 | atomic_notifier_call_chain(&idle_notifier, IDLE_START, NULL); |
85 | } | 86 | } |
86 | 87 | ||
87 | static void __exit_idle(void) | 88 | static void __exit_idle(void) |
88 | { | 89 | { |
89 | if (test_and_clear_bit_pda(0, isidle) == 0) | 90 | if (x86_test_and_clear_bit_percpu(0, is_idle) == 0) |
90 | return; | 91 | return; |
91 | atomic_notifier_call_chain(&idle_notifier, IDLE_END, NULL); | 92 | atomic_notifier_call_chain(&idle_notifier, IDLE_END, NULL); |
92 | } | 93 | } |