[ Bcc a lot of lists so that people understand what's this is all ] [ about without creating uber-cc-thread. ] [ Apologies if I missed your subsystem ] [ Please see [PATCH 11/11: pragma once: conversion script (in Python 2)] ]
Hi, Linus.
Please run the script below from top-level directory, it will convert most kernel headers to #pragma once directive advancing them into 21-st century.
The advantages are:
* less LOC
18087 files changed, 18878 insertions(+), 99804 deletions(-) = -81 kLOC (give or take)
* less mental tax on developers forced to name things which aren't even real code
* less junk in preprocessor hashtables and editors/IDEs autocompletion lists
There are two bit exceptions: UAPI headers and ACPICA. Given ubiquity of #pragma once, I personally think even these subsystems should be converted in the future.
Compile tested on alpha, arc, arm, arm64, h8300, ia64, m68k, microblaze, mips, nios2, parisc, powerpc, riscv, s390, sh, sparc, um-i386, um-x86_64, i386, x86_64, xtensa (allnoconfig, all defconfigs, allmodconfig with or without SMP/DEBUG_KERNEL + misc stuff).
Not compile tested on csky, hexagon, nds32, openrisc.
Love, Alexey
Signed-off-by: Alexey Dobriyan adobriyan@gmail.com
#!/bin/sh -x find . -type f -name '*.h' -print |\ LC_ALL=C sort |\ sed -e 's#^./##g' |\ xargs ./scripts/pragma-once.py
find . -type d -name 'uapi' | xargs git checkout -f git checkout -f arch/alpha/include/asm/cmpxchg.h git checkout -f arch/arm/mach-imx/hardware.h git checkout -f arch/arm/mach-ixp4xx/include/mach/hardware.h git checkout -f arch/arm/mach-sa1100/include/mach/hardware.h git checkout -f arch/mips/include/asm/mips-cps.h git checkout -f arch/x86/boot/boot.h git checkout -f arch/x86/boot/ctype.h git checkout -f arch/x86/include/asm/cpufeatures.h git checkout -f arch/x86/include/asm/disabled-features.h git checkout -f arch/x86/include/asm/required-features.h git checkout -f arch/x86/include/asm/vmxfeatures.h git checkout -f arch/x86/include/asm/vvar.h git checkout -f drivers/acpi/acpica/ git checkout -f drivers/gpu/drm/amd/pm/inc/vega10_ppsmc.h git checkout -f drivers/gpu/drm/amd/pm/powerplay/ppsmc.h git checkout -f drivers/input/misc/yealink.h git checkout -f drivers/media/usb/dvb-usb-v2/mxl111sf-demod.h git checkout -f drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h git checkout -f drivers/pcmcia/yenta_socket.h git checkout -f drivers/staging/rtl8723bs/include/hal_com_h2c.h git checkout -f include/linux/acpi.h git checkout -f include/linux/bitops.h git checkout -f include/linux/compiler_types.h git checkout -f include/linux/device.h git checkout -f include/linux/kbuild.h git checkout -f include/linux/libfdt_env.h git checkout -f include/linux/local_lock.h git checkout -f include/linux/spinlock.h git checkout -f include/linux/spinlock_api_smp.h git checkout -f include/linux/spinlock_types.h git checkout -f include/linux/tracepoint.h git checkout -f mm/gup_test.h git checkout -f net/batman-adv/main.h git checkout -f scripts/dtc/ git checkout -f tools/include/linux/bitops.h git checkout -f tools/include/linux/compiler.h git checkout -f tools/testing/selftests/clone3/clone3_selftests.h git checkout -f tools/testing/selftests/futex/include/atomic.h git checkout -f tools/testing/selftests/futex/include/futextest.h git checkout -f tools/testing/selftests/futex/include/logging.h git checkout -f tools/testing/selftests/kselftest.h git checkout -f tools/testing/selftests/kselftest_harness.h git checkout -f tools/testing/selftests/pidfd/pidfd.h git checkout -f tools/testing/selftests/x86/helpers.h