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authorThomas Gleixner <tglx@linutronix.de>2008-10-17 09:59:47 +0200
committerThomas Gleixner <tglx@apollo.(none)>2008-10-17 18:13:38 +0200
commit719254faa17ffedc87ba0fadb9b34e535c9758d5 (patch)
tree6afe1e9f2175aa5394cf6e0fc7c84afef0be3e9b /include/linux/tick.h
parent2e532d68a2b3e2aa6b19731501222069735c741c (diff)
downloadop-kernel-dev-719254faa17ffedc87ba0fadb9b34e535c9758d5.zip
op-kernel-dev-719254faa17ffedc87ba0fadb9b34e535c9758d5.tar.gz
NOHZ: unify the nohz function calls in irq_enter()
We have two separate nohz function calls in irq_enter() for no good reason. Just call a single NOHZ function from irq_enter() and call the bits in the tick code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/tick.h')
-rw-r--r--include/linux/tick.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 98921a3..b6ec818 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -96,9 +96,11 @@ extern cpumask_t *tick_get_broadcast_oneshot_mask(void);
extern void tick_clock_notify(void);
extern int tick_check_oneshot_change(int allow_nohz);
extern struct tick_sched *tick_get_tick_sched(int cpu);
+extern void tick_check_idle(int cpu);
# else
static inline void tick_clock_notify(void) { }
static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
+static inline void tick_check_idle(int cpu) { }
# endif
#else /* CONFIG_GENERIC_CLOCKEVENTS */
@@ -106,26 +108,23 @@ static inline void tick_init(void) { }
static inline void tick_cancel_sched_timer(int cpu) { }
static inline void tick_clock_notify(void) { }
static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
+static inline void tick_check_idle(int cpu) { }
#endif /* !CONFIG_GENERIC_CLOCKEVENTS */
# ifdef CONFIG_NO_HZ
extern void tick_nohz_stop_sched_tick(int inidle);
extern void tick_nohz_restart_sched_tick(void);
-extern void tick_nohz_update_jiffies(void);
extern ktime_t tick_nohz_get_sleep_length(void);
-extern void tick_nohz_stop_idle(int cpu);
extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
# else
static inline void tick_nohz_stop_sched_tick(int inidle) { }
static inline void tick_nohz_restart_sched_tick(void) { }
-static inline void tick_nohz_update_jiffies(void) { }
static inline ktime_t tick_nohz_get_sleep_length(void)
{
ktime_t len = { .tv64 = NSEC_PER_SEC/HZ };
return len;
}
-static inline void tick_nohz_stop_idle(int cpu) { }
static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return -1; }
# endif /* !NO_HZ */
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