Messages in this thread | | | From | "Hillf Danton" <> | Subject | Re: [patch] sched,rt: __always_inline preemptible_lazy() | Date | Mon, 22 Feb 2016 13:16:42 +0800 |
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> > sched,rt: __always_inline preemptible_lazy() > > Functions called within a notrace function must either also be > notrace or be inlined, lest recursion blow the stack. > > homer: # nm kernel/sched/core.o|grep preemptible_lazy > 00000000000000b5 t preemptible_lazy > > echo wakeup_rt > current_tracer ==> Welcome to infinity. > > Signed-off-by: Mike Galbraith <umgwanakikbuti@gmail.com> > ---
Thank you, Mike.
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
> 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;
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