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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-01-16 12:41:09 -0500
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-01-16 12:41:18 -0500
commit51aa78271be9bf97df4ab19c3146e1f08e592c7e (patch)
treec09112e5c57178e20c29e8858a6d7c336cf8fb1c /include/linux/tick.h
parent805a6af8dba5dfdd35ec35dc52ec0122400b2610 (diff)
parenta513f6bab0939800dcf1e7c075e733420cf967c5 (diff)
Merge branch 'rcu/fixes-for-v3.2' into rcu/urgent
Merge reason: Add these commits so that fixes on this branch do not conflict with already-mainlined code. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/linux/tick.h')
-rw-r--r--include/linux/tick.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h
index b232ccc0ee2..ab8be90b5cc 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -7,6 +7,7 @@
7#define _LINUX_TICK_H 7#define _LINUX_TICK_H
8 8
9#include <linux/clockchips.h> 9#include <linux/clockchips.h>
10#include <linux/irqflags.h>
10 11
11#ifdef CONFIG_GENERIC_CLOCKEVENTS 12#ifdef CONFIG_GENERIC_CLOCKEVENTS
12 13
@@ -121,14 +122,16 @@ static inline int tick_oneshot_mode_active(void) { return 0; }
121#endif /* !CONFIG_GENERIC_CLOCKEVENTS */ 122#endif /* !CONFIG_GENERIC_CLOCKEVENTS */
122 123
123# ifdef CONFIG_NO_HZ 124# ifdef CONFIG_NO_HZ
124extern void tick_nohz_stop_sched_tick(int inidle); 125extern void tick_nohz_idle_enter(void);
125extern void tick_nohz_restart_sched_tick(void); 126extern void tick_nohz_idle_exit(void);
127extern void tick_nohz_irq_exit(void);
126extern ktime_t tick_nohz_get_sleep_length(void); 128extern ktime_t tick_nohz_get_sleep_length(void);
127extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time); 129extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
128extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time); 130extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time);
129# else 131# else
130static inline void tick_nohz_stop_sched_tick(int inidle) { } 132static inline void tick_nohz_idle_enter(void) { }
131static inline void tick_nohz_restart_sched_tick(void) { } 133static inline void tick_nohz_idle_exit(void) { }
134
132static inline ktime_t tick_nohz_get_sleep_length(void) 135static inline ktime_t tick_nohz_get_sleep_length(void)
133{ 136{
134 ktime_t len = { .tv64 = NSEC_PER_SEC/HZ }; 137 ktime_t len = { .tv64 = NSEC_PER_SEC/HZ };