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rcu: Fix a sparse warning in rcu_initiate_boost()
This commit annotates rcu_initiate_boost() fixes the following sparse warning: kernel/rcu/tree_plugin.h:1494:13: warning: context imbalance in 'rcu_initiate_boost' - unexpected unlock Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
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@ -1259,6 +1259,7 @@ static int rcu_boost_kthread(void *arg)
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* about it going away.
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*/
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static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags)
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__releases(rnp->lock)
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{
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struct task_struct *t;
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@ -1494,6 +1495,7 @@ static void rcu_prepare_kthreads(int cpu)
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#else /* #ifdef CONFIG_RCU_BOOST */
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static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags)
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__releases(rnp->lock)
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{
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raw_spin_unlock_irqrestore(&rnp->lock, flags);
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}
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