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From: "Hillf Danton" <hillf.zj@alibaba-inc.com>
To: "Mike Galbraith" <umgwanakikbuti@gmail.com>
Cc: "'Sebastian Andrzej Siewior'" <bigeasy@linutronix.de>,
	"'Thomas Gleixner'" <tglx@linutronix.de>,
	"'LKML'" <linux-kernel@vger.kernel.org>,
	"'linux-rt-users'" <linux-rt-users@vger.kernel.org>
Subject: Re: [patch]  sched,rt: __always_inline preemptible_lazy()
Date: Mon, 22 Feb 2016 11:36:16 +0800	[thread overview]
Message-ID: <00a501d16d22$30045140$900cf3c0$@alibaba-inc.com> (raw)

> 
> homer: # nm kernel/sched/core.o|grep preemptible_lazy
> 00000000000000b5 t preemptible_lazy
> 
> echo wakeup_rt > current_tracer ==> Welcome to infinity.
> 
> Signed-off-bx: Mike Galbraith <umgwanakikbuti@gmail.com>
> ---

Fat finger?

BTW, would you please make a better description of the
problem this patch is trying to address/fix?

Hillf
>  kernel/sched/core.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -3469,7 +3469,7 @@ static void __sched notrace preempt_sche
>   * set by a RT task. Oterwise we try to avoid beeing scheduled out as long as
>   * preempt_lazy_count counter >0.
>   */
> -static int preemptible_lazy(void)
> +static __always_inline int preemptible_lazy(void)
>  {
>  	if (test_thread_flag(TIF_NEED_RESCHED))
>  		return 1;

             reply	other threads:[~2016-02-22  3:36 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-22  3:36 Hillf Danton [this message]
2016-02-22  4:03 ` [patch] sched,rt: __always_inline preemptible_lazy() Mike Galbraith
2016-02-22  5:16   ` Hillf Danton
2016-02-26 10:17   ` Sebastian Andrzej Siewior
  -- strict thread matches above, loose matches on Subject: below --
2016-01-18  9:08 [rfc patch v4.4-rt2] sched: fix up preempt lazy forward port Mike Galbraith
2016-01-18 20:18 ` Sebastian Andrzej Siewior
2016-01-19  2:29   ` Mike Galbraith
2016-01-21 12:54     ` Sebastian Andrzej Siewior
2016-02-21 15:11       ` [patch] sched,rt: __always_inline preemptible_lazy() Mike Galbraith

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