x86: move out tick_nohz_stop_sched_tick() call from the loop

Move out tick_nohz_stop_sched_tick() call from the loop in cpu_idle
same as 32-bit version.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 78d80067b7f9..a0130eb2fa50 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -170,14 +170,13 @@ void cpu_idle(void)
         current_thread_info()->status |= TS_POLLING;
         /* endless idle loop with no priority at all */
         while (1) {
+                tick_nohz_stop_sched_tick();
                 while (!need_resched()) {
                         void (*idle)(void);
 
                         if (__get_cpu_var(cpu_idle_state))
                                 __get_cpu_var(cpu_idle_state) = 0;
 
-                        tick_nohz_stop_sched_tick();
-
                         rmb();
                         idle = pm_idle;
                         if (!idle)