[PATCH (set 1) 00/20] Rid W=1 warnings from GPU

[Hamza Mahfooz]

On 8/24/23 08:07, Lee Jones wrote:
> On Thu, 24 Aug 2023, Jani Nikula wrote:
> 
>> On Thu, 24 Aug 2023, Lee Jones <lee at kernel.org> wrote:
>>> This set is part of a larger effort attempting to clean-up W=1
>>> kernel builds, which are currently overwhelmingly riddled with
>>> niggly little warnings.
>>
>> The next question is, how do we keep it W=1 clean going forward?
> 
> My plan was to fix them all, then move each warning to W=0.
> 
> Arnd recently submitted a set doing just that for a bunch of them.
> 
> https://lore.kernel.org/all/20230811140327.3754597-1-arnd@kernel.org/
> 
> I like to think a bunch of this is built on top of my previous efforts.
> 
> GPU is a particularly tricky though - the warnings seem to come in faster
> than I can squash them.  Maybe the maintainers can find a way to test
> new patches on merge?

I guess on that note, do you know if there is a way to run
`scripts/kernel-doc` on patches instead of whole files? That would make
much easier to block new kernel-doc issues from appearing.

> 
>> Most people don't use W=1 because it's too noisy, so it's a bit of a
>> catch-22.
>>
>> In i915, we enable a lot of W=1 warnings using subdir-ccflags-y in our
>> Makefile. For CI/developer use we also enable kernel-doc warnings by
>> default.
>>
>> Should we start enabling some of those warning flags in drm/Makefile to
>> to keep the entire subsystem warning free?
> 
> That would we awesome!  We'd just need buy-in.
> 
-- 
Hamza