diff mbox

[07/38] tick-oneshot: drop local_irq_save/restore from tick_switch_to_oneshot()

Message ID 1bd46e057b41f48b0ec58136ee404356728e0371.1397492345.git.viresh.kumar@linaro.org
State New
Headers show

Commit Message

Viresh Kumar April 14, 2014, 4:23 p.m. UTC 
tick_switch_to_oneshot() is just reading value of
__this_cpu_read(tick_cpu_device.mode) and doesn't need to disable local
interrupts for that. Drop local_irq_save/restore calls from this routine.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 kernel/time/tick-oneshot.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)
diff mbox

Patch

diff --git a/kernel/time/tick-oneshot.c b/kernel/time/tick-oneshot.c
index 6a531ec..39492f1 100644
--- a/kernel/time/tick-oneshot.c
+++ b/kernel/time/tick-oneshot.c
@@ -92,14 +92,7 @@  int tick_switch_to_oneshot(void (*handler)(struct clock_event_device *))
  */
 int tick_oneshot_mode_active(void)
 {
-	unsigned long flags;
-	int ret;
-
-	local_irq_save(flags);
-	ret = tick_get_cpu_device()->mode == TICKDEV_MODE_ONESHOT;
-	local_irq_restore(flags);
-
-	return ret;
+	return tick_get_cpu_device()->mode == TICKDEV_MODE_ONESHOT;
 }
 
 #ifdef CONFIG_HIGH_RES_TIMERS