Re: [PATCH] gpiolib: acpi: Move ACPI device NULL check to acpi_can_fallback_to_crs()

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On 21.05.24 16:00, Andy Shevchenko wrote:
> On Tue, May 21, 2024 at 12:01:17PM +0200, Linux regression tracking (Thorsten Leemhuis) wrote:
>> On 13.05.24 12:02, Andy Shevchenko wrote:
>>> On Mon, May 13, 2024 at 11:56:10AM +0200, Laura Nao wrote:
>>>> Following the relocation of the function call outside of
>>>> __acpi_find_gpio(), move the ACPI device NULL check to
>>>> acpi_can_fallback_to_crs().
>>>
>>> Thank you, I'll add this to my tree as we have already the release happened.
>>> I will be available after v6.10-rc1 is out.
>>
>> Hmm, what exactly do you mean with that? It sounds as you only want to
>> add this to the tree once -rc1 is out -- which seems likely at this
>> point, as that patch is not yet in -next. If that's the case allow me to
>> ask: why?
> 
> Because:
> 
> - that's the policy of Linux Next (do not include what's not supposed to be
>   merged during merge window), Cc'ed to Stephen to clarify, it might be that
>   I'm mistaken
> 
> - the process of how we maintain the branches is to have them based on top of
>   rc1 (rarely on other rcX and never on an arbitrary commit from vanilla

Something like that is what I feared. And yes, some of that is true. But
the patch in this thread contains a Fixes: tag for commit 49c02f6e901c
which was merged during this merge window -- and that patch thus ideally
should (ideally after some testing in -next) be merge during the merge
window as well, to ensure the problem does not even hit -rc1.

That's something a lot of subsystem master all the time. The scheduler
for example:

https://git.kernel.org/torvalds/c/6e5a0c30b616bfff6926ecca5d88e3d06e6bf79a
https://git.kernel.org/torvalds/c/8dde191aabba42e9c16c8d9c853a72a062db27ee

Other subsystems (perf, x86, net) do this, too. Not sure how they
exactly do that with git; I think some (most?) have a dedicated -fixes
branch (based on master and fast-forwarded after Linus merged from it)
for that is also included in next in parallel to their "for-next"
branch.  Stephen will know for sure.

Ciao, Thorsten




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