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

[Zhi Yong Wu <zwu.kernel@gmail.com>]

On Sat, Dec 28, 2013 at 5:48 PM, Kirill Tkhai <tkhai@yandex.ru> wrote:
> On Сб, дек 28, 2013 at 05:37:32 +0800, Zhi Yong Wu wrote:
>> On Sat, Dec 28, 2013 at 5:19 PM, Kirill Tkhai <tkhai@yandex.ru> wrote:
>> > On Пт, дек 27, 2013 at 07:41:00 +0800, Zhi Yong Wu wrote:
>> >> From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
>> >>
>> >> .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@linux.vnet.ibm.com>
>> >> ---
>> >>  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.
>> How about also removing its body out?
>
> switched_from_rt() is necessary only in SMP mode, so I think we should
> not change anything connected with it here. It's already initialized
> properly.
pls ignore this patch, thanks.
>
>> >
>> > Kirill
>>
>>
>>
>> --
>> Regards,
>>
>> Zhi Yong Wu



-- 
Regards,

Zhi Yong Wu