Re: [PATCH] Fix inc_rt_tasks() to not declare variable 'rq' ifit's notneeded

From: Gregory Haskins
Date: Fri Jul 11 2008 - 09:03:01 EST


>>> On Fri, Jul 11, 2008 at 8:34 AM, in message
<20080711123454.10475.33099.stgit@xxxxxxxxxxxxxxxxxxxxxx>, David Howells
<dhowells@xxxxxxxxxx> wrote:
> Fix inc_rt_tasks() to not declare variable 'rq' if it's not needed. It is
> declared if CONFIG_SMP or CONFIG_RT_GROUP_SCHED, but only used if
> CONFIG_SMP.
>
> This is a consequence of patch 1f11eb6a8bc92536d9e93ead48fa3ffbd1478571 plus
> patch 1100ac91b6af02d8639d518fad5b434b1bf44ed6.
>
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>

Acked by: Gregory Haskins <ghaskins@xxxxxxxxxx>

> ---
>
> kernel/sched_rt.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
>
> diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
> index acba8eb..ec19ce5 100644
> --- a/kernel/sched_rt.c
> +++ b/kernel/sched_rt.c
> @@ -505,7 +505,9 @@ void inc_rt_tasks(struct sched_rt_entity *rt_se, struct
> rt_rq *rt_rq)
> rt_rq->rt_nr_running++;
> #if defined CONFIG_SMP || defined CONFIG_RT_GROUP_SCHED
> if (rt_se_prio(rt_se) < rt_rq->highest_prio) {
> +#ifdef CONFIG_SMP
> struct rq *rq = rq_of_rt_rq(rt_rq);
> +#endif
>
> rt_rq->highest_prio = rt_se_prio(rt_se);
> #ifdef CONFIG_SMP



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