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authorTakashi Iwai <tiwai@suse.de>2009-11-14 08:38:28 -0500
committerTakashi Iwai <tiwai@suse.de>2009-11-14 08:38:28 -0500
commit0c3c35e148dbc03106038dd25816fb9f3a084d86 (patch)
tree8b8cc6a027353a0f242f61362b35b0942da61b83 /include/linux/rcutree.h
parent50d40f187f9182ee8caa1b83f80a0e11e2226baa (diff)
parent5e08fe570c2dbabb5015c37049eb9a451e55c890 (diff)
Merge branch 'fix/misc' into topic/misc
Diffstat (limited to 'include/linux/rcutree.h')
-rw-r--r--include/linux/rcutree.h19
1 files changed, 7 insertions, 12 deletions
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 37682770e9d..9642c6bcb39 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
33struct notifier_block;
34
33extern void rcu_sched_qs(int cpu); 35extern void rcu_sched_qs(int cpu);
34extern void rcu_bh_qs(int cpu); 36extern void rcu_bh_qs(int cpu);
35 37extern int rcu_cpu_notify(struct notifier_block *self,
38 unsigned long action, void *hcpu);
36extern int rcu_needs_cpu(int cpu); 39extern int rcu_needs_cpu(int cpu);
40extern 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
73extern void call_rcu_sched(struct rcu_head *head, 77extern void call_rcu_sched(struct rcu_head *head,
74 void (*func)(struct rcu_head *rcu)); 78 void (*func)(struct rcu_head *rcu));
75 79extern void synchronize_rcu_expedited(void);
76static inline void synchronize_rcu_expedited(void)
77{
78 synchronize_sched_expedited();
79}
80 80
81static inline void synchronize_rcu_bh_expedited(void) 81static inline void synchronize_rcu_bh_expedited(void)
82{ 82{
@@ -85,16 +85,11 @@ static inline void synchronize_rcu_bh_expedited(void)
85 85
86extern void __rcu_init(void); 86extern void __rcu_init(void);
87extern void rcu_check_callbacks(int cpu, int user); 87extern void rcu_check_callbacks(int cpu, int user);
88extern void rcu_restart_cpu(int cpu);
89 88
90extern long rcu_batches_completed(void); 89extern long rcu_batches_completed(void);
91extern long rcu_batches_completed_bh(void); 90extern long rcu_batches_completed_bh(void);
92extern long rcu_batches_completed_sched(void); 91extern long rcu_batches_completed_sched(void);
93 92
94static inline void rcu_init_sched(void)
95{
96}
97
98#ifdef CONFIG_NO_HZ 93#ifdef CONFIG_NO_HZ
99void rcu_enter_nohz(void); 94void rcu_enter_nohz(void);
100void rcu_exit_nohz(void); 95void 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. */
111static inline int rcu_blocking_is_gp(void) 106static inline int rcu_blocking_is_gp(void)
112{ 107{
113 return num_online_cpus() == 1; 108 return num_online_cpus() == 1;