[PATCH v3 0/5] uapi: fix remaining kconfig leaks in UAPI headers

A few UAPI headers still contained references to kconfig symbols.
Clean them all up and afterwards remove the now useless exception
machinery in headers_install.sh.

Intended to be routed through the kbuild tree.

Signed-off-by: Thomas Weißschuh <[email protected]>
---
Changes in v3:
- Replace ARCH_USE_BUILTIN_BSWAP with manual 'swape' inline asm.
- Link to v2: https://lore.kernel.org/r/20260112-headers_install-config-leak-v2-0-4d8084444603@linutronix.de

Changes in v2:
- Drop ARC_HAS_SWAPE kconfig option, use ARCH_USE_BUILTIN_BSWAP
- Drop PSR_ENDSTATE from the ARM ptrace.h header.
- Drop nios2 uapi asm/swab.h.
- Link to v1: https://lore.kernel.org/r/20251230-headers_install-config-leak-v1-0-efba5c58073d@linutronix.de

---
Thomas Weißschuh (5):
      ARC: Always use SWAPE instructions for __arch_swab32()
      ARM: uapi: Drop PSR_ENDSTATE
      nios2: uapi: Remove custom asm/swab.h from UAPI
      x86/uapi: Stop leaking kconfig references to userspace
      scripts: headers_install.sh: Remove config leak ignore machinery

 arch/arc/Kconfig                         |  5 ---
 arch/arc/Makefile                        |  3 +-
 arch/arc/include/uapi/asm/swab.h         | 63 --------------------------------
 arch/arm/include/asm/processor.h         |  3 +-
 arch/arm/include/uapi/asm/ptrace.h       |  9 -----
 arch/arm/kernel/signal.c                 |  3 +-
 arch/nios2/include/{uapi => }/asm/swab.h |  0
 arch/x86/include/uapi/asm/auxvec.h       |  2 +-
 scripts/headers_install.sh               | 30 +--------------
 9 files changed, 8 insertions(+), 110 deletions(-)
---
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
change-id: 20251229-headers_install-config-leak-b8a9219d8b3c

Best regards,
-- 
Thomas Weißschuh <[email protected]>


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