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List:       linux-rt-users
Subject:    Re: [ANNOUNCE] v5.2.10-rt5
From:       Alexander Dahl <ada () thorsis ! com>
Date:       2019-08-27 14:26:20
Message-ID: 1983406.XYedcDVy8E () ada
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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

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