Re: [PATCH v5 1/2] sched/rt: Clean up usage of rt_task()

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On 6/5/24 11:32, Sebastian Andrzej Siewior wrote:
> On 2024-06-04 17:57:46 [+0200], Daniel Bristot de Oliveira wrote:
>> On 6/4/24 16:42, Qais Yousef wrote:
>>> -	    (wakeup_rt && !dl_task(p) && !rt_task(p)) ||
>>> +	    (wakeup_rt && !realtime_task(p)) ||
>>
>> I do not like bikeshedding, and no hard feelings...
>>
>> But rt is a shortened version of realtime, and so it is making *it less*
>> clear that we also have DL here.
> 
> Can SCHED_DL be considered a real-time scheduling class as in opposite
> to SCHED_BATCH for instance? Due to its requirements it fits for a real
> time scheduling class, right?
> And RT (as in real time) already includes SCHED_RR and SCHED_FIFO.

It is a real-time scheduler, but the problem is that FIFO and RR are in rt.c and
they are called the "realtime" ones, so they are the first to come in mind.

-- Daniel

>> -- Daniel
> 
> Sebastian
> 





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