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-rw-r--r--kernel/time/Kconfig5
-rw-r--r--kernel/time/tick-broadcast.c10
-rw-r--r--kernel/time/tick-sched.c3
-rw-r--r--kernel/timer.c2
4 files changed, 8 insertions, 12 deletions
diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig
index e4c07b0692bb..70f27e89012b 100644
--- a/kernel/time/Kconfig
+++ b/kernel/time/Kconfig
@@ -12,11 +12,6 @@ config CLOCKSOURCE_WATCHDOG
config ARCH_CLOCKSOURCE_DATA
bool
-# Platforms has a persistent clock
-config ALWAYS_USE_PERSISTENT_CLOCK
- bool
- default n
-
# Timekeeping vsyscall support
config GENERIC_TIME_VSYSCALL
bool
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 206bbfb34e09..24938d577669 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -786,11 +786,11 @@ bool tick_broadcast_oneshot_available(void)
void __init tick_broadcast_init(void)
{
- alloc_cpumask_var(&tick_broadcast_mask, GFP_NOWAIT);
- alloc_cpumask_var(&tmpmask, GFP_NOWAIT);
+ zalloc_cpumask_var(&tick_broadcast_mask, GFP_NOWAIT);
+ zalloc_cpumask_var(&tmpmask, GFP_NOWAIT);
#ifdef CONFIG_TICK_ONESHOT
- alloc_cpumask_var(&tick_broadcast_oneshot_mask, GFP_NOWAIT);
- alloc_cpumask_var(&tick_broadcast_pending_mask, GFP_NOWAIT);
- alloc_cpumask_var(&tick_broadcast_force_mask, GFP_NOWAIT);
+ zalloc_cpumask_var(&tick_broadcast_oneshot_mask, GFP_NOWAIT);
+ zalloc_cpumask_var(&tick_broadcast_pending_mask, GFP_NOWAIT);
+ zalloc_cpumask_var(&tick_broadcast_force_mask, GFP_NOWAIT);
#endif
}
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index bc67d4245e1d..f4208138fbf4 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -717,6 +717,7 @@ static bool can_stop_idle_tick(int cpu, struct tick_sched *ts)
if (unlikely(!cpu_online(cpu))) {
if (cpu == tick_do_timer_cpu)
tick_do_timer_cpu = TICK_DO_TIMER_NONE;
+ return false;
}
if (unlikely(ts->nohz_mode == NOHZ_MODE_INACTIVE))
@@ -1168,7 +1169,7 @@ void tick_cancel_sched_timer(int cpu)
hrtimer_cancel(&ts->sched_timer);
# endif
- ts->nohz_mode = NOHZ_MODE_INACTIVE;
+ memset(ts, 0, sizeof(*ts));
}
#endif
diff --git a/kernel/timer.c b/kernel/timer.c
index a860bba34412..15ffdb3f1948 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1539,12 +1539,12 @@ static int __cpuinit init_timers_cpu(int cpu)
boot_done = 1;
base = &boot_tvec_bases;
}
+ spin_lock_init(&base->lock);
tvec_base_done[cpu] = 1;
} else {
base = per_cpu(tvec_bases, cpu);
}
- spin_lock_init(&base->lock);
for (j = 0; j < TVN_SIZE; j++) {
INIT_LIST_HEAD(base->tv5.vec + j);