Re: [RFC PATCH v3 13/24] sched/rt: Update rt-cgroup schedulability checks

[Markus Elfring]

…
> +++ b/kernel/sched/deadline.c
> @@ -340,6 +340,39 @@ void cancel_inactive_timer(struct sched_dl_entity *dl_se)
…
> +#ifdef CONFIG_RT_GROUP_SCHED
> +void dl_init_tg(struct sched_dl_entity *dl_se, u64 rt_runtime, u64 rt_period)
> +{
…
> +	u64 new_bw;
> +
> +	raw_spin_rq_lock_irq(rq);
…
> +	raw_spin_rq_unlock_irq(rq);
> +}
> +#endif
…

How do you think about to define and use a corresponding lock guard?

Regards,
Markus