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Subject[PATCH 1/2] rcu: export rcu_note_context_switch() function
Date

Signed-off-by: Gleb Natapov <gleb@redhat.com>
---
include/linux/rcutiny.h | 6 +-----
kernel/rcutiny.c | 7 +++++++
kernel/rcutree.c | 1 +
3 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index 30ebd7c..8e5f7cf 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -93,11 +93,7 @@ static inline int rcu_needs_cpu(int cpu)

#endif /* #else #ifdef CONFIG_TINY_RCU */

-static inline void rcu_note_context_switch(int cpu)
-{
- rcu_sched_qs(cpu);
- rcu_preempt_note_context_switch();
-}
+extern void rcu_note_context_switch(int cpu);

/*
* Return the number of grace periods.
diff --git a/kernel/rcutiny.c b/kernel/rcutiny.c
index 0c343b9..3d715a4 100644
--- a/kernel/rcutiny.c
+++ b/kernel/rcutiny.c
@@ -78,6 +78,13 @@ void rcu_exit_nohz(void)

#endif /* #ifdef CONFIG_NO_HZ */

+void rcu_note_context_switch(int cpu)
+{
+ rcu_sched_qs(cpu);
+ rcu_preempt_note_context_switch();
+}
+EXPORT_SYMBOL_GPL(rcu_note_context_switch);
+
/*
* Helper function for rcu_qsctr_inc() and rcu_bh_qsctr_inc().
* Also disable irqs to avoid confusion due to interrupt handlers
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index dd4aea8..0837d63 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -124,6 +124,7 @@ void rcu_note_context_switch(int cpu)
rcu_sched_qs(cpu);
rcu_preempt_note_context_switch(cpu);
}
+EXPORT_SYMBOL_GPL(rcu_note_context_switch);

#ifdef CONFIG_NO_HZ
DEFINE_PER_CPU(struct rcu_dynticks, rcu_dynticks) = {
--
1.7.2.3


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