summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-09-04 08:43:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-09-04 08:43:45 -0700
commit1c3333600b0ebca94edffb3bb431c78687dc3d36 (patch)
tree798b72afb270e98bbe434443510415c49e671a97
parent28e68154c5e2793123b248d38cf17b34dcb16d87 (diff)
parent08d072599234c959b0b82b63fa252c129225a899 (diff)
downloadlinux-1c3333600b0ebca94edffb3bb431c78687dc3d36.tar.bz2
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner: "Two fixlet from the timers departement: - A fix for scheduler stalls in the tick idle code affecting NOHZ_FULL kernels - A trivial compile fix" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick/nohz: Fix softlockup on scheduler stalls in kvm guest clocksource/drivers/atmel-pit: Fix compilation error
-rw-r--r--drivers/clocksource/timer-atmel-pit.c1
-rw-r--r--kernel/time/tick-sched.c3
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/clocksource/timer-atmel-pit.c b/drivers/clocksource/timer-atmel-pit.c
index 3494bc5a21d5..7f0f5b26d8c5 100644
--- a/drivers/clocksource/timer-atmel-pit.c
+++ b/drivers/clocksource/timer-atmel-pit.c
@@ -240,6 +240,7 @@ static int __init at91sam926x_pit_common_init(struct pit_data *data)
static int __init at91sam926x_pit_dt_init(struct device_node *node)
{
struct pit_data *data;
+ int ret;
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 204fdc86863d..2ec7c00228f3 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -908,10 +908,11 @@ static void __tick_nohz_idle_enter(struct tick_sched *ts)
ktime_t now, expires;
int cpu = smp_processor_id();
+ now = tick_nohz_start_idle(ts);
+
if (can_stop_idle_tick(cpu, ts)) {
int was_stopped = ts->tick_stopped;
- now = tick_nohz_start_idle(ts);
ts->idle_calls++;
expires = tick_nohz_stop_sched_tick(ts, now, cpu);