Re: [ANNOUNCE] v5.2.10-rt5

From: Alexander Dahl
Date: Tue Aug 27 2019 - 10:26:27 EST


Hello Sebastian,

Am Dienstag, 27. August 2019, 15:22:01 CEST schrieb Sebastian Andrzej Siewior:
> of course, !SMP. What about this:
>
> diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
> --- a/kernel/time/hrtimer.c
> +++ b/kernel/time/hrtimer.c
> @@ -934,7 +934,11 @@ void hrtimer_grab_expiry_lock(const struct hrtimer
> *timer) {
> struct hrtimer_clock_base *base = READ_ONCE(timer->base);
>
> +#ifdef CONFIG_SMP
> if (timer->is_soft && base != &migration_base) {
> +#else
> + if (timer->is_soft && base && base->cpu_base) {
> +#endif
> spin_lock(&base->cpu_base->softirq_expiry_lock);
> spin_unlock(&base->cpu_base->softirq_expiry_lock);
> }

Build error is gone and target system boots successfully, seems to work fine
at first sight. Thanks for the quick response.

Greets
Alex