1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index eed3b458ebac..07c7d216c89d 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -953,6 +953,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
          */
         acpi_state_timer_broadcast(pr, cx, 1);
 
+        kt1 = ktime_get_real();
         /*
          * disable bus master
          * bm_check implies we need ARB_DIS
@@ -974,10 +975,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
                 ACPI_FLUSH_CPU_CACHE();
         }
 
-        kt1 = ktime_get_real();
         acpi_idle_do_entry(cx);
-        kt2 = ktime_get_real();
-        idle_time =  ktime_to_us(ktime_sub(kt2, kt1));
 
         /* Re-enable bus master arbitration */
         if (pr->flags.bm_check && pr->flags.bm_control) {
@@ -986,6 +984,8 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
                 c3_cpu_count--;
                 spin_unlock(&c3_lock);
         }
+        kt2 = ktime_get_real();
+        idle_time =  ktime_to_us(ktime_sub(kt2, kt1));
 
         sleep_ticks = us_to_pm_timer_ticks(idle_time);
         /* Tell the scheduler how much we idled: */