Re: [PATCH 13/58] RCU: Make rcu_is_cpu_rrupt_from_idle helperfunctions static

From: Paul E. McKenney
Date: Tue Nov 20 2012 - 12:57:38 EST


On Sun, Nov 18, 2012 at 09:27:52PM -0800, Josh Triplett wrote:
> Both rcutiny and rcutree define a helper funtion
> rcu_is_cpu_rrupt_from_idle, each used exactly once, later in the same
> file. Declare these helper functions static.
>
> Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>

Hard to argue with this one! I forward-ported to current -rcu and
queued for v3.9.

Thanx, Paul

> ---
> kernel/rcutiny.c | 2 +-
> kernel/rcutree.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/rcutiny.c b/kernel/rcutiny.c
> index e4c6a59..0e506c3 100644
> --- a/kernel/rcutiny.c
> +++ b/kernel/rcutiny.c
> @@ -193,7 +193,7 @@ EXPORT_SYMBOL(rcu_is_cpu_idle);
> * interrupts don't count, we must be running at the first interrupt
> * level.
> */
> -int rcu_is_cpu_rrupt_from_idle(void)
> +static int rcu_is_cpu_rrupt_from_idle(void)
> {
> return rcu_dynticks_nesting <= 0;
> }
> diff --git a/kernel/rcutree.c b/kernel/rcutree.c
> index 74df86b..70d9b6e 100644
> --- a/kernel/rcutree.c
> +++ b/kernel/rcutree.c
> @@ -783,7 +783,7 @@ EXPORT_SYMBOL_GPL(rcu_lockdep_current_cpu_online);
> * interrupt from idle, return true. The caller must have at least
> * disabled preemption.
> */
> -int rcu_is_cpu_rrupt_from_idle(void)
> +static int rcu_is_cpu_rrupt_from_idle(void)
> {
> return __get_cpu_var(rcu_dynticks).dynticks_nesting <= 1;
> }
> --
> 1.7.10.4
>

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