[PATCH 1/3] time/sched_clock: Export sched_clock_register()

Daniel Lezcano daniel.lezcano at linaro.org
Thu Feb 9 07:34:58 PST 2023


On 08/02/2023 20:45, Krzysztof Kozlowski wrote:
> On 08/02/2023 20:41, Matthias Brugger wrote:
>>
>>
>> On 08/02/2023 15:24, Krzysztof Kozlowski wrote:
>>> On 08/02/2023 10:48, walter.chang at mediatek.com wrote:
>>>> From: Chun-Hung Wu <chun-hung.wu at mediatek.com>
>>>>
>>>> clocksource driver may use sched_clock_register()
>>>> to resigter itself as a sched_clock source.
>>>> Export it to support building such driver
>>>> as module, like timer-mediatek.c
>>>>
>>>> Signed-off-by: Chun-Hung Wu <chun-hung.wu at mediatek.com>
>>>> ---

[ ... ]

> ... and actually test if the system works fine when booted from such
> clocksource as a module. I have doubts that and unfortunately folks
> working on GKI like to put whatever stuff from mainline into modules
> even if it does not make sense for us (see long time ago discussion
> about pinctrl drivers).

+1

It is not the first time there is a proposal to convert the timers to 
modules. After asking, nobody came with a real study regarding the 
impact of the modularization of these drivers vs the time core framework 
and the benefit.

My gut feeling is that is not that simple.


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