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-rw-r--r--kernel/rcupdate.c19
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 =
64EXPORT_SYMBOL_GPL(rcu_sched_lock_map); 63EXPORT_SYMBOL_GPL(rcu_sched_lock_map);
65#endif 64#endif
66 65
67int rcu_scheduler_active __read_mostly;
68EXPORT_SYMBOL_GPL(rcu_scheduler_active);
69
70#ifdef CONFIG_DEBUG_LOCK_ALLOC 66#ifdef CONFIG_DEBUG_LOCK_ALLOC
71 67
72int debug_lockdep_rcu_enabled(void) 68int 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 */
107void 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 */