On 2019-09-11 17:57:27 [+0100], Scott Wood wrote: > diff --git a/kernel/cpu.c b/kernel/cpu.c > index 885a195dfbe0..32c6175b63b6 100644 > --- a/kernel/cpu.c > +++ b/kernel/cpu.c > @@ -308,7 +308,9 @@ void pin_current_cpu(void) > preempt_lazy_enable(); > preempt_enable(); > > + rt_invol_sleep_inc(); > __read_rt_lock(cpuhp_pin); > + rt_invol_sleep_dec(); > > preempt_disable(); > preempt_lazy_disable(); I understand the other one. But now looking at it, both end up in rt_spin_lock_slowlock_locked() which would be the proper place to do that annotation. Okay. Sebastian
