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From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux PM <linux-pm@vger.kernel.org>,
	Lina Iyer <ilina@codeaurora.org>,
	Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH 1/5] cpuidle: Remove pointless stub
Date: Thu, 5 Nov 2020 16:31:12 +0100	[thread overview]
Message-ID: <91e5b5ad-12e8-70a3-d476-f1d7ad734bb0@linaro.org> (raw)
In-Reply-To: <CAJZ5v0g9d+Y2gGXaXiAiCFjJ=VmdCq+HBCkke4TbKqKkyXrsDw@mail.gmail.com>


Hi Rafael,

On 05/11/2020 15:14, Rafael J. Wysocki wrote:

[ ... ]

>> [ ... ]
>>
>>> Applied (this patch alone) as 5.10-rc material with some minor edits
>>> in the changelog, thanks!
>>
>> Does it mean you disagree the other patches? Or are you waiting for more
>> comments?
> 
> Actually, both.
> 
> My primary concern regarding the modularization of cpuidle governors
> is that they really belong to the core kernel.  They access the
> internals thereof and the behavior of the idle loop in general depends
> on what they do.
> 
> OTOH IMV a potential benefit resulting from allowing them to be
> modular is very small, at least from the mainline perspective.
> 
> IOW this case is very similar to the modularization of the schedutil
> cpufreq governor which we decided not to do for similar reasons.

Yes, I recall this discussion.

The purpose is to be more consistent with the governors in the other
frameworks which can be module. But as you mentioned it, the benefit is
small, so I'm fine to drop the series.

Thanks

  -- Daniel

-- 
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      reply	other threads:[~2020-11-05 15:33 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-15 14:44 [PATCH 1/5] cpuidle: Remove pointless stub Daniel Lezcano
2020-10-15 14:44 ` [PATCH 2/5] cpuidle: governor: Encapsulate the cpuidle on/off switch Daniel Lezcano
2020-10-15 14:44 ` [PATCH 3/5] cpuidle: governor: Make possible to unregister a governor Daniel Lezcano
2020-10-15 14:44 ` [PATCH 4/5] cpuidle: governor: Export the needed symbols Daniel Lezcano
2020-11-05 14:04   ` Rafael J. Wysocki
2020-11-09 12:34     ` Peter Zijlstra
2020-10-15 14:44 ` [PATCH 5/5] cpuidle: governor: Convert governors to modules Daniel Lezcano
2020-10-16 15:24 ` [PATCH 1/5] cpuidle: Remove pointless stub Rafael J. Wysocki
2020-10-16 20:31   ` Daniel Lezcano
2020-11-05 14:14     ` Rafael J. Wysocki
2020-11-05 15:31       ` Daniel Lezcano [this message]

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