Various fixes and promotion of warnings to real errors.

I didn't add Fixes: tags as digging up the original changes would be
cumbersome as the code moved a lot over the years.
Backporting this doesn't make sense anyways.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
---
Changes in v2:
- Drop patch "kbuild: uapi: only update hdrtest output on success"
- Pick up review tags from Nicolas
- Link to v1: https://lore.kernel.org/r/20250812-kbuild-hdrtest-fixes-v1-0-7ad2af66cd58@linutronix.de

---
Thomas Weißschuh (5):
      kbuild: uapi: rerun header tests when headers_check.pl changes
      kbuild: uapi: fail header test on compiler warnings
      kbuild: uapi: upgrade warning on asm/types.h inclusion to error
      kbuild: uapi: upgrade check_sizetypes() warning to error
      kbuild: uapi: upgrade check_declarations() warning to error

 usr/include/Makefile         | 4 ++--
 usr/include/headers_check.pl | 9 ++++-----
 2 files changed, 6 insertions(+), 7 deletions(-)
---
base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585
change-id: 20250811-kbuild-hdrtest-fixes-1bf147b3ddd3

Best regards,
-- 
Thomas Weißschuh <thomas.weissschuh@linutronix.de>

On Wed, 13 Aug 2025 08:16:55 +0200, Thomas Weißschuh wrote:
> Various fixes and promotion of warnings to real errors.
> 
> I didn't add Fixes: tags as digging up the original changes would be
> cumbersome as the code moved a lot over the years.
> Backporting this doesn't make sense anyways.
> 
> 
> [...]

Applied, thanks!

[1/5] kbuild: uapi: rerun header tests when headers_check.pl changes
      https://git.kernel.org/kbuild/c/d4b7080be277c
[2/5] kbuild: uapi: fail header test on compiler warnings
      https://git.kernel.org/kbuild/c/3788d69db18d3
[3/5] kbuild: uapi: upgrade warning on asm/types.h inclusion to error
      https://git.kernel.org/kbuild/c/24b1bd64ee403
[4/5] kbuild: uapi: upgrade check_sizetypes() warning to error
      https://git.kernel.org/kbuild/c/c3a9d74ee413b
[5/5] kbuild: uapi: upgrade check_declarations() warning to error
      https://git.kernel.org/kbuild/c/b8d762c983053

Best regards,
-- 
Nathan Chancellor <nathan@kernel.org>