diff options
Diffstat (limited to 'include/linux/rcutree.h')
| -rw-r--r-- | include/linux/rcutree.h | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 37682770e9d2..9642c6bcb399 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h | |||
| @@ -30,10 +30,14 @@ | |||
| 30 | #ifndef __LINUX_RCUTREE_H | 30 | #ifndef __LINUX_RCUTREE_H |
| 31 | #define __LINUX_RCUTREE_H | 31 | #define __LINUX_RCUTREE_H |
| 32 | 32 | ||
| 33 | struct notifier_block; | ||
| 34 | |||
| 33 | extern void rcu_sched_qs(int cpu); | 35 | extern void rcu_sched_qs(int cpu); |
| 34 | extern void rcu_bh_qs(int cpu); | 36 | extern void rcu_bh_qs(int cpu); |
| 35 | 37 | extern int rcu_cpu_notify(struct notifier_block *self, | |
| 38 | unsigned long action, void *hcpu); | ||
| 36 | extern int rcu_needs_cpu(int cpu); | 39 | extern int rcu_needs_cpu(int cpu); |
| 40 | extern int rcu_expedited_torture_stats(char *page); | ||
| 37 | 41 | ||
| 38 | #ifdef CONFIG_TREE_PREEMPT_RCU | 42 | #ifdef CONFIG_TREE_PREEMPT_RCU |
| 39 | 43 | ||
| @@ -72,11 +76,7 @@ static inline void __rcu_read_unlock_bh(void) | |||
| 72 | 76 | ||
| 73 | extern void call_rcu_sched(struct rcu_head *head, | 77 | extern void call_rcu_sched(struct rcu_head *head, |
| 74 | void (*func)(struct rcu_head *rcu)); | 78 | void (*func)(struct rcu_head *rcu)); |
| 75 | 79 | extern void synchronize_rcu_expedited(void); | |
| 76 | static inline void synchronize_rcu_expedited(void) | ||
| 77 | { | ||
| 78 | synchronize_sched_expedited(); | ||
| 79 | } | ||
| 80 | 80 | ||
| 81 | static inline void synchronize_rcu_bh_expedited(void) | 81 | static inline void synchronize_rcu_bh_expedited(void) |
| 82 | { | 82 | { |
| @@ -85,16 +85,11 @@ static inline void synchronize_rcu_bh_expedited(void) | |||
| 85 | 85 | ||
| 86 | extern void __rcu_init(void); | 86 | extern void __rcu_init(void); |
| 87 | extern void rcu_check_callbacks(int cpu, int user); | 87 | extern void rcu_check_callbacks(int cpu, int user); |
| 88 | extern void rcu_restart_cpu(int cpu); | ||
| 89 | 88 | ||
| 90 | extern long rcu_batches_completed(void); | 89 | extern long rcu_batches_completed(void); |
| 91 | extern long rcu_batches_completed_bh(void); | 90 | extern long rcu_batches_completed_bh(void); |
| 92 | extern long rcu_batches_completed_sched(void); | 91 | extern long rcu_batches_completed_sched(void); |
| 93 | 92 | ||
| 94 | static inline void rcu_init_sched(void) | ||
| 95 | { | ||
| 96 | } | ||
| 97 | |||
| 98 | #ifdef CONFIG_NO_HZ | 93 | #ifdef CONFIG_NO_HZ |
| 99 | void rcu_enter_nohz(void); | 94 | void rcu_enter_nohz(void); |
| 100 | void rcu_exit_nohz(void); | 95 | void rcu_exit_nohz(void); |
| @@ -107,7 +102,7 @@ static inline void rcu_exit_nohz(void) | |||
| 107 | } | 102 | } |
| 108 | #endif /* CONFIG_NO_HZ */ | 103 | #endif /* CONFIG_NO_HZ */ |
| 109 | 104 | ||
| 110 | /* A context switch is a grace period for rcutree. */ | 105 | /* A context switch is a grace period for RCU-sched and RCU-bh. */ |
| 111 | static inline int rcu_blocking_is_gp(void) | 106 | static inline int rcu_blocking_is_gp(void) |
| 112 | { | 107 | { |
| 113 | return num_online_cpus() == 1; | 108 | return num_online_cpus() == 1; |
