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rcu: provide rcu_virt_note_context_switch() function.

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Provide rcu_virt_note_context_switch() for vitalization use to note
quiescent state during guest entry.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Gleb Natapov
2011-05-04 16:31:03 +03:00
committed by Paul E. McKenney
parent bad6e1393c
commit 29ce831000
3 changed files with 19 additions and 0 deletions
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kernel/rcutree.c
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@@ -157,6 +157,7 @@ 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) = {