Re: [PATCH 1/5] sched, rt: move .switched_from out of the scope ofCONFIG_SMP

From: Kirill Tkhai
Date: Sat Dec 28 2013 - 04:27:30 EST


On ÐÑ, ÐÐÐ 27, 2013 at 07:41:00 +0800, Zhi Yong Wu wrote:
> From: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>
>
> .switched_from shouldn't be initialized in the scope of CONFIG_SMP,
> so this patch is trying to move it out.
>
> Signed-off-by: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>
> ---
> kernel/sched/rt.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
> index 1c40655..f34d41b 100644
> --- a/kernel/sched/rt.c
> +++ b/kernel/sched/rt.c
> @@ -2002,9 +2002,9 @@ const struct sched_class rt_sched_class = {
> .pre_schedule = pre_schedule_rt,
> .post_schedule = post_schedule_rt,
> .task_woken = task_woken_rt,
> - .switched_from = switched_from_rt,
> #endif
>
> + .switched_from = switched_from_rt,
> .set_curr_task = set_curr_task_rt,
> .task_tick = task_tick_rt,

This will not be compilable in !SMP mode because the body of switched_from_rt()
is still under CONFIG_SMP define.

Kirill
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