summaryrefslogtreecommitdiffstats
path: root/include/linux/tick.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/tick.h')
-rw-r--r--include/linux/tick.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 7f8c9a127f5a..1d253df9ea3c 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -115,6 +115,7 @@ enum tick_dep_bits {
extern bool tick_nohz_enabled;
extern bool tick_nohz_tick_stopped(void);
extern bool tick_nohz_tick_stopped_cpu(int cpu);
+extern void tick_nohz_idle_stop_tick(void);
extern void tick_nohz_idle_enter(void);
extern void tick_nohz_idle_exit(void);
extern void tick_nohz_irq_exit(void);
@@ -123,10 +124,19 @@ extern unsigned long tick_nohz_get_idle_calls(void);
extern unsigned long tick_nohz_get_idle_calls_cpu(int cpu);
extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time);
+
+static inline void tick_nohz_idle_stop_tick_protected(void)
+{
+ local_irq_disable();
+ tick_nohz_idle_stop_tick();
+ local_irq_enable();
+}
+
#else /* !CONFIG_NO_HZ_COMMON */
#define tick_nohz_enabled (0)
static inline int tick_nohz_tick_stopped(void) { return 0; }
static inline int tick_nohz_tick_stopped_cpu(int cpu) { return 0; }
+static inline void tick_nohz_idle_stop_tick(void) { }
static inline void tick_nohz_idle_enter(void) { }
static inline void tick_nohz_idle_exit(void) { }
@@ -136,6 +146,8 @@ static inline ktime_t tick_nohz_get_sleep_length(void)
}
static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return -1; }
static inline u64 get_cpu_iowait_time_us(int cpu, u64 *unused) { return -1; }
+
+static inline void tick_nohz_idle_stop_tick_protected(void) { }
#endif /* !CONFIG_NO_HZ_COMMON */
#ifdef CONFIG_NO_HZ_FULL
OpenPOWER on IntegriCloud