diff options
Diffstat (limited to 'kernel/rcupdate.c')
-rw-r--r-- | kernel/rcupdate.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 49d808e833b0..72a8dc9567f5 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c | |||
@@ -44,7 +44,6 @@ | |||
44 | #include <linux/cpu.h> | 44 | #include <linux/cpu.h> |
45 | #include <linux/mutex.h> | 45 | #include <linux/mutex.h> |
46 | #include <linux/module.h> | 46 | #include <linux/module.h> |
47 | #include <linux/kernel_stat.h> | ||
48 | #include <linux/hardirq.h> | 47 | #include <linux/hardirq.h> |
49 | 48 | ||
50 | #ifdef CONFIG_DEBUG_LOCK_ALLOC | 49 | #ifdef CONFIG_DEBUG_LOCK_ALLOC |
@@ -64,9 +63,6 @@ struct lockdep_map rcu_sched_lock_map = | |||
64 | EXPORT_SYMBOL_GPL(rcu_sched_lock_map); | 63 | EXPORT_SYMBOL_GPL(rcu_sched_lock_map); |
65 | #endif | 64 | #endif |
66 | 65 | ||
67 | int rcu_scheduler_active __read_mostly; | ||
68 | EXPORT_SYMBOL_GPL(rcu_scheduler_active); | ||
69 | |||
70 | #ifdef CONFIG_DEBUG_LOCK_ALLOC | 66 | #ifdef CONFIG_DEBUG_LOCK_ALLOC |
71 | 67 | ||
72 | int debug_lockdep_rcu_enabled(void) | 68 | int debug_lockdep_rcu_enabled(void) |
@@ -97,21 +93,6 @@ EXPORT_SYMBOL_GPL(rcu_read_lock_bh_held); | |||
97 | #endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ | 93 | #endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ |
98 | 94 | ||
99 | /* | 95 | /* |
100 | * This function is invoked towards the end of the scheduler's initialization | ||
101 | * process. Before this is called, the idle task might contain | ||
102 | * RCU read-side critical sections (during which time, this idle | ||
103 | * task is booting the system). After this function is called, the | ||
104 | * idle tasks are prohibited from containing RCU read-side critical | ||
105 | * sections. | ||
106 | */ | ||
107 | void rcu_scheduler_starting(void) | ||
108 | { | ||
109 | WARN_ON(num_online_cpus() != 1); | ||
110 | WARN_ON(nr_context_switches() > 0); | ||
111 | rcu_scheduler_active = 1; | ||
112 | } | ||
113 | |||
114 | /* | ||
115 | * Awaken the corresponding synchronize_rcu() instance now that a | 96 | * Awaken the corresponding synchronize_rcu() instance now that a |
116 | * grace period has elapsed. | 97 | * grace period has elapsed. |
117 | */ | 98 | */ |