Re: [PATCH v9 11/14] platform/x86: Split the alienware-wmi driver

From: Kurt Borja
Date: Mon Feb 10 2025 - 19:08:22 EST


On Mon Feb 10, 2025 at 9:07 AM -05, Ilpo Järvinen wrote:
> On Mon, 10 Feb 2025, Kurt Borja wrote:
>
>> On Mon Feb 10, 2025 at 6:53 AM -05, Ilpo Järvinen wrote:
>
>> > It is one of the reasons why I prefer to have move patches do as little
>> > extra work as possible because I can use pipelines to verify the pre and
>> > post content is identical.
>> >
>> > I usually starting by diffing - and + lines in the diff which is how I
>> > came across this one too. In the best case there are no code line changes
>> > at all but all changes are in the boilerplate, it gives very high
>> > confidence on the move being done correctly. When a rebase conflicts,
>> > everyone (me included), might introduce unintended changes to move-only
>> > patches so I tend to check even my own move patches in similar fashion to
>> > avoid making stupid mistakes.
>>
>> Speaking of this. Let's say I want to add a new model to the DMI list,
>> how should I go about it?
>>
>> If I base it on the fixes branches it's going to conflict when merging
>> with Linus, and even worse, it would need to be manually added to
>> alienware-wmi-wmax.c every time it happens.
>>
>> My solution is to just base the added models on the for-next branch. Of
>> course users wouldn't get this until v6.15 but I'd prefer not to give
>> you or some other maintainer extra work.
>>
>> Another solution is to make two patches one for for-next and one for
>> stable, but I don't know if people do this to begin with.
>>
>> What do you think about this?
>
> It is possible for me to merge the fixes branch containing the new model
> into for-next to avoid Linus having to deal with such conflicts. However,
> it only moves the stable conflicts problem by one kernel release because
> after 6.14 is released, all new additions will be based on the 6.15 code
> anyway so any patch going into stable will have to deal with the conflicts.
>
> If you so prefer, it is fine for me if you want base them on for-next
> after such a major restructuring, I won't complain. But as you said,
> there's a small delay until stable will pick them up. They do actually

A small delay of a couple of months :p

> start to pick the patches into stable right after 6.15-rc1 (and
> sometimes even during the merge window), not only after 6.15 release.

I will do it like this then, I'd prefer no conflicts.

Thanks!

--
~ Kurt

>
> You do get a FAILED mail from the stable maintainers if a patch they
> wanted to apply doesn't apply without conflicts and then can send them
> a backported version.