Re: [PATCH v2] sched/rt: Clean up usage of rt_task()

[Sebastian Andrzej Siewior]

On 2024-05-30 12:10:44 [+0100], Qais Yousef wrote:
> > This is not consistent because IMHO the clock setup & slack should be
> > handled equally. So I am asking the sched folks for a policy and I am
> > leaning towards looking at task-policy in this case instead of prio
> > because you shouldn't do anything that can delay.
> 
> Can't we do that based on is_soft/is_hard flag in hrtimer struct when we apply
> the slack in hrtimer_set_expires_range_ns() instead?

We need to decide on a policy first.
You don't want to add overhead on each invocation plus some in-kernel
ask for delta. ->is_soft is not a good criteria.

Sebastian