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rcu: Drop RCU_USER_QS in favor of NO_HZ_FULL

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The RCU_USER_QS Kconfig parameter is now just a synonym for NO_HZ_FULL,
so this commit eliminates RCU_USER_QS, replacing all uses with NO_HZ_FULL.

Reported-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Paul E. McKenney
2015-05-13 10:41:58 -07:00
parent d770e558e2
commit d1ec4c34c7
4 changed files with 6 additions and 17 deletions
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8
kernel/rcu/tree.c
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@@ -701,7 +701,7 @@ void rcu_idle_enter(void)
}
EXPORT_SYMBOL_GPL(rcu_idle_enter);
#ifdef CONFIG_RCU_USER_QS
#ifdef CONFIG_NO_HZ_FULL
/**
* rcu_user_enter - inform RCU that we are resuming userspace.
*
@@ -714,7 +714,7 @@ void rcu_user_enter(void)
{
rcu_eqs_enter(1);
}
#endif /* CONFIG_RCU_USER_QS */
#endif /* CONFIG_NO_HZ_FULL */
/**
* rcu_irq_exit - inform RCU that current CPU is exiting irq towards idle
@@ -828,7 +828,7 @@ void rcu_idle_exit(void)
}
EXPORT_SYMBOL_GPL(rcu_idle_exit);
#ifdef CONFIG_RCU_USER_QS
#ifdef CONFIG_NO_HZ_FULL
/**
* rcu_user_exit - inform RCU that we are exiting userspace.
*
@@ -839,7 +839,7 @@ void rcu_user_exit(void)
{
rcu_eqs_exit(1);
}
#endif /* CONFIG_RCU_USER_QS */
#endif /* CONFIG_NO_HZ_FULL */
/**
* rcu_irq_enter - inform RCU that current CPU is entering irq away from idle