ARM: idle: call idle notifiers before stopping nohz tick
If an idle notifier modifies a timer, calling the notifier after
the sched tick has been stopped may leave the sched tick set too
early. Move teh idle notifier call before the call to
tick_nohz_stop_sched_tick.
Change-Id: I0db3284bec6d0193bc5e2a57650ab06bd8342319
Signed-off-by: Colin Cross <ccross@android.com>
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 54c97ee..7d66a6e 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -223,8 +223,8 @@
/* endless idle loop with no priority at all */
while (1) {
- tick_nohz_stop_sched_tick(1);
idle_notifier_call_chain(IDLE_START);
+ tick_nohz_stop_sched_tick(1);
while (!need_resched()) {
#ifdef CONFIG_HOTPLUG_CPU
if (cpu_is_offline(smp_processor_id()))