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-rw-r--r--kernel/time/tick-internal.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index d86eb8d485e9..dd2c45d057b9 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -5,6 +5,7 @@
#include <linux/tick.h>
#include "timekeeping.h"
+#include "tick-sched.h"
#ifdef CONFIG_GENERIC_CLOCKEVENTS
@@ -26,6 +27,7 @@ extern void tick_resume(void);
extern bool tick_check_replacement(struct clock_event_device *curdev,
struct clock_event_device *newdev);
extern void tick_install_replacement(struct clock_event_device *dev);
+extern int tick_is_oneshot_available(void);
extern int clockevents_tick_resume(struct clock_event_device *dev);
/* Check, if the device is functional or a dummy for broadcast */
@@ -35,6 +37,9 @@ static inline int tick_device_is_functional(struct clock_event_device *dev)
}
extern void clockevents_shutdown(struct clock_event_device *dev);
+extern void clockevents_exchange_device(struct clock_event_device *old,
+ struct clock_event_device *new);
+extern void clockevents_handle_noop(struct clock_event_device *dev);
extern int __clockevents_update_freq(struct clock_event_device *dev, u32 freq);
extern ssize_t sysfs_get_uname(const char *buf, char *dst, size_t cnt);
#endif /* GENERIC_CLOCKEVENTS */
@@ -49,6 +54,10 @@ extern void tick_oneshot_notify(void);
extern int tick_switch_to_oneshot(void (*handler)(struct clock_event_device *));
extern void tick_resume_oneshot(void);
static inline bool tick_oneshot_possible(void) { return true; }
+extern int tick_oneshot_mode_active(void);
+extern void tick_clock_notify(void);
+extern int tick_check_oneshot_change(int allow_nohz);
+extern int tick_init_highres(void);
#else /* !ONESHOT */
static inline
void tick_setup_oneshot(struct clock_event_device *newdev,
@@ -58,6 +67,9 @@ static inline void tick_resume_oneshot(void) { BUG(); }
static inline int tick_program_event(ktime_t expires, int force) { return 0; }
static inline void tick_oneshot_notify(void) { }
static inline bool tick_oneshot_possible(void) { return false; }
+static inline int tick_oneshot_mode_active(void) { return 0; }
+static inline void tick_clock_notify(void) { }
+static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
#endif /* !TICK_ONESHOT */
/* Broadcasting support */
@@ -72,6 +84,8 @@ extern int tick_resume_broadcast(void);
extern void tick_broadcast_init(void);
extern void tick_set_periodic_handler(struct clock_event_device *dev, int broadcast);
extern int tick_broadcast_update_freq(struct clock_event_device *dev, u32 freq);
+extern struct tick_device *tick_get_broadcast_device(void);
+extern struct cpumask *tick_get_broadcast_mask(void);
#else /* !BROADCAST */
static inline void tick_install_broadcast_device(struct clock_event_device *dev) { }
static inline int tick_is_broadcast_device(struct clock_event_device *dev) { return 0; }
@@ -101,6 +115,7 @@ extern int tick_resume_broadcast_oneshot(struct clock_event_device *bc);
extern int tick_broadcast_oneshot_active(void);
extern void tick_check_oneshot_broadcast_this_cpu(void);
bool tick_broadcast_oneshot_available(void);
+extern struct cpumask *tick_get_broadcast_oneshot_mask(void);
#else /* BROADCAST && ONESHOT */
static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc) { BUG(); }
static inline int tick_broadcast_oneshot_control(unsigned long reason) { return 0; }