#include <linux/irqflags.h>
#include <linux/percpu.h>
#include <linux/hrtimer.h>
+#include <linux/context_tracking_state.h>
+#include <linux/cpumask.h>
#ifdef CONFIG_GENERIC_CLOCKEVENTS
# endif /* !CONFIG_NO_HZ_COMMON */
#ifdef CONFIG_NO_HZ_FULL
+extern bool tick_nohz_full_running;
+extern cpumask_var_t tick_nohz_full_mask;
+
+static inline bool tick_nohz_full_enabled(void)
+{
+ if (!static_key_false(&context_tracking_enabled))
+ return false;
+
+ return tick_nohz_full_running;
+}
+
+static inline bool tick_nohz_full_cpu(int cpu)
+{
+ if (!tick_nohz_full_enabled())
+ return false;
+
+ return cpumask_test_cpu(cpu, tick_nohz_full_mask);
+}
+
extern void tick_nohz_init(void);
-extern int tick_nohz_full_cpu(int cpu);
-extern void tick_nohz_full_check(void);
+extern void __tick_nohz_full_check(void);
extern void tick_nohz_full_kick(void);
extern void tick_nohz_full_kick_all(void);
-extern void tick_nohz_task_switch(struct task_struct *tsk);
+extern void __tick_nohz_task_switch(struct task_struct *tsk);
#else
static inline void tick_nohz_init(void) { }
-static inline int tick_nohz_full_cpu(int cpu) { return 0; }
-static inline void tick_nohz_full_check(void) { }
+static inline bool tick_nohz_full_enabled(void) { return false; }
+static inline bool tick_nohz_full_cpu(int cpu) { return false; }
+static inline void __tick_nohz_full_check(void) { }
static inline void tick_nohz_full_kick(void) { }
static inline void tick_nohz_full_kick_all(void) { }
-static inline void tick_nohz_task_switch(struct task_struct *tsk) { }
+static inline void __tick_nohz_task_switch(struct task_struct *tsk) { }
#endif
+static inline void tick_nohz_full_check(void)
+{
+ if (tick_nohz_full_enabled())
+ __tick_nohz_full_check();
+}
+
+static inline void tick_nohz_task_switch(struct task_struct *tsk)
+{
+ if (tick_nohz_full_enabled())
+ __tick_nohz_task_switch(tsk);
+}
+
#endif