Re: [PATCH 04/36] cpuidle,intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE

Michel Lespinasse
2022-07-30T09:40:32Z

On Fri, Jul 29, 2022 at 08:26:22AM -0700, Paul E. McKenney wrote:> Would you be willing to try another shot in the dark, but untested
> this time? I freely admit that this is getting strange.
>
> Thanx, Paul

Yes, adding this second change got rid of the boot time warning for me.

> ------------------------------------------------------------------------
>
> diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c
> index e374c0c923dae..279f557bf60bb 100644
> --- a/kernel/sched/clock.c
> +++ b/kernel/sched/clock.c
> @@ -394,7 +394,7 @@ notrace void sched_clock_tick(void)
> if (!static_branch_likely(&sched_clock_running))
> return;
>
> - lockdep_assert_irqs_disabled();
> + WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) && !raw_irqs_disabled());
>
> scd = this_scd();
> __scd_stamp(scd);