On Thu, Dec 18, 2025 at 07:50:00PM +0100, Vincent Mailhol wrote:
> I often read on the mailing list people saying "who cares about W=2
> builds anyway?". At least I do. Not that I want to fix all of them,
> but on some occasions, such as new driver submissions, I have often
> found a couple valid diagnostics in the W=2 output.
>
> That said, the annoying thing is that W=2 is heavily polluted by one
> warning: -Wtype-limits. Try a gcc W=2 build on any file and see the
> results for yourself. I suspect this to be the reason why so few
> people are using W=2.
>
> This series removes gcc's -Wtype-limits in an attempt to make W=2 more
> useful. Those who do not use W=2 can continue to not use it if they
> want. Those who, like me, use it form time to time will get an
> improved experience from the reduced spam.
>
> Extra details on statistics, past attempts and -Wtype-limits
> alternatives are given in the first patch description.
>
> Signed-off-by: Vincent Mailhol <[email protected]>
> ---
> Vincent Mailhol (2):
> kbuild: remove gcc's -Wtype-limits
> kbuild: cleanup local -Wno-type-limits exceptions
>
> drivers/gpu/drm/Makefile | 1 -
> fs/btrfs/Makefile | 1 -
> scripts/Makefile.warn | 4 +++-
> 3 files changed, 3 insertions(+), 3 deletions(-)
> ---
> base-commit: 3e7f562e20ee87a25e104ef4fce557d39d62fa85
> change-id: 20251205-remove_wtype-limits-c77eb46d09c2
>
> Best regards,
> --
> Vincent Mailhol <[email protected]>
>
Thanks for the effort! (This allows to revert commit dc7fe518b049
("overflow: Fix -Wtype-limits compilation warnings").)
Reviewed-by: Nicolas Schier <[email protected]>
