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author | Thomas Gleixner <tglx@linutronix.de> | 2015-03-25 13:07:37 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2015-04-01 14:22:58 +0200 |
commit | c1797baf6880174f899ce3960d0598f5bbeeb7ff (patch) | |
tree | c854e772dd2d01a998d732ce04dc0a4f748e458a /kernel/time/tick-internal.h | |
parent | tick: Simplify tick-internal.h (diff) | |
download | linux-c1797baf6880174f899ce3960d0598f5bbeeb7ff.tar.xz linux-c1797baf6880174f899ce3960d0598f5bbeeb7ff.zip |
tick: Move core only declarations and functions to core
No point to expose everything to the world. People just believe
such functions can be abused for whatever purposes. Sigh.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
[ Rebased on top of 4.0-rc5 ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Nicolas Pitre <nico@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/28017337.VbCUc39Gme@vostro.rjw.lan
[ Merged to latest timers/core ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/time/tick-internal.h')
-rw-r--r-- | kernel/time/tick-internal.h | 15 |
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; } |