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rcu: Fix rcu_is_cpu_idle() #ifdef in TINY_RCU 

The rcu_is_cpu_idle() function is used if CONFIG_DEBUG_LOCK_ALLOC,
but TINY_RCU defines it only when CONFIG_PROVE_RCU.  This causes
build failures when CONFIG_DEBUG_LOCK_ALLOC=y but CONFIG_PROVE_RCU=n.
This commit therefore adjusts the #ifdefs for rcu_is_cpu_idle() so
that it is defined when CONFIG_DEBUG_LOCK_ALLOC=y.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2012-06-06 07:12:43 -07:00 committed by Paul E. McKenney
parent 29154c57e3
commit d7118175cc
1 changed files with 2 additions and 2 deletions
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4
kernel/rcutiny.c
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@ -172,7 +172,7 @@ void rcu_irq_enter(void)
local_irq_restore(flags);
}
#ifdef CONFIG_PROVE_RCU
#ifdef CONFIG_DEBUG_LOCK_ALLOC
/*
* Test whether RCU thinks that the current CPU is idle.
@ -183,7 +183,7 @@ int rcu_is_cpu_idle(void)
}
EXPORT_SYMBOL(rcu_is_cpu_idle);
#endif /* #ifdef CONFIG_PROVE_RCU */
#endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
/*
* Test whether the current CPU was interrupted from idle. Nested