linux-kernel - Re: [PATCH v5 1/2] sched/rt: Clean up usage of rt

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Message-ID: <245df412-42f3-4a76-894c-b3481661f7b4@redhat.com>
Date: Tue, 4 Jun 2024 19:30:25 +0200
From: Daniel Bristot de Oliveira <bristot@...hat.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: Qais Yousef <qyousef@...alina.io>, Ingo Molnar <mingo@...nel.org>,
 Peter Zijlstra <peterz@...radead.org>, Juri Lelli <juri.lelli@...hat.com>,
 Vincent Guittot <vincent.guittot@...aro.org>,
 Thomas Gleixner <tglx@...utronix.de>,
 Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
 Alexander Viro <viro@...iv.linux.org.uk>,
 Christian Brauner <brauner@...nel.org>,
 Andrew Morton <akpm@...ux-foundation.org>, Jens Axboe <axboe@...nel.dk>,
 Metin Kaya <metin.kaya@....com>, linux-kernel@...r.kernel.org,
 linux-fsdevel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
 linux-mm@...ck.org, Phil Auld <pauld@...hat.com>
Subject: Re: [PATCH v5 1/2] sched/rt: Clean up usage of rt_task()

On 6/4/24 18:37, Steven Rostedt wrote:
> On Tue, 4 Jun 2024 17:57:46 +0200
> Daniel Bristot de Oliveira <bristot@...hat.com> 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.
>>
>> I know we can always read the comments, but we can do without changes
>> as well...
>>
>> I would suggest finding the plural version for realtime_task()... so
>> we know it is not about the "rt" scheduler, but rt and dl schedulers.
> 
> priority_task() ?

rt_or_dl_task() ?
rt_schedulers_task() ?
higher_than_fair_task() ? (this is bad haha)

I am not good with names, and it is hard to find one, I know.... but something
to make it clear that dl is also there becase rt/realtime is ambiguous with
the rt.c.

-- Daniel