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From: Remis Lima Baima <remis.developer@googlemail.com>
To: sam@ravnborg.org
Cc: linux-kbuild@vger.kernel.org,
	Remis Lima Baima <remis.developer@googlemail.com>
Subject: [PATCH 0/2] New generic headers implementation
Date: Wed, 18 Mar 2009 18:08:33 +0100	[thread overview]
Message-ID: <1237396115-28674-1-git-send-email-remis.developer@googlemail.com> (raw)
In-Reply-To: <20090312153150.GA11875@uranus.ravnborg.org>

Generic headers allow ARCH maintainers to remove all dummy
arch/ARCH/include/asm/XXX.h files or, depending on the architecture, 
include/asm-ARCH/XXX.h (e.g. arch/x86/include/asm/errno.h) that only 
include the _name equivalent_ include/asm-generic/XXX.h file 
(e.g. include/asm-generic/errno.h) with _no_ changes. It was called 
generic headers for short. Arnd Bergmann gave the original idea and 
asked me to implement it. This is the second implementation with the 
changes proposed by Sam Ravnborg.

To use it just one step is necessary:

 - Remove all the dummy arch/ARCH/include/asm/XXX.h files 
   (e.g. rm arch/x86/include/asm/errno.h)

The scripts/Makefile.headersinst was adapted to avoid errors (due to 
the removal of header files from their default locations) so it would 
pass the 'make headers_check'.

The generic headers were applyed and tested in x86 (tested in my 
Notebook with i386_defconfig on kernel 2.6.29-rc8 of 17/Mar/2009 from 
Linus git tree). It compiled and booted without problems.

This approach does not reduce much LOC but, in a rough estimation, it 
would allow the removal of around 90 dummy header files among all 
architectures.

Remis Lima Baima (2):
  Create the infrastructure for generic headers
  Apply generic headers for x86

 Makefile                                     |    1 +
 arch/x86/include/asm/cputime.h               |    1 -
 arch/x86/include/asm/errno.h                 |    1 -
 arch/x86/include/asm/fcntl.h                 |    1 -
 arch/x86/include/asm/ioctl.h                 |    1 -
 arch/x86/include/asm/poll.h                  |    1 -
 arch/x86/include/asm/resource.h              |    1 -
 arch/x86/include/asm/rtc.h                   |    1 -
 arch/x86/include/asm/sections.h              |    1 -
 include/asm-generic/4level-fixup.h           |   38 +--
 include/asm-generic/atomic.h                 |  259 +---------
 include/asm-generic/audit_change_attr.h      |   23 +-
 include/asm-generic/audit_dir_write.h        |   19 +-
 include/asm-generic/audit_read.h             |    9 +-
 include/asm-generic/audit_signal.h           |    4 +-
 include/asm-generic/audit_write.h            |   14 +-
 include/asm-generic/bitops.h                 |   34 +--
 include/asm-generic/bitops/__ffs.h           |   44 +--
 include/asm-generic/bitops/__fls.h           |   44 +--
 include/asm-generic/bitops/atomic.h          |  189 +-------
 include/asm-generic/bitops/ext2-atomic.h     |   23 +-
 include/asm-generic/bitops/ext2-non-atomic.h |   21 +-
 include/asm-generic/bitops/ffs.h             |   42 +--
 include/asm-generic/bitops/ffz.h             |   13 +-
 include/asm-generic/bitops/find.h            |   16 +-
 include/asm-generic/bitops/fls.h             |   42 +--
 include/asm-generic/bitops/fls64.h           |   37 +--
 include/asm-generic/bitops/hweight.h         |   12 +-
 include/asm-generic/bitops/le.h              |   58 +--
 include/asm-generic/bitops/lock.h            |   46 +--
 include/asm-generic/bitops/minix-le.h        |   18 +-
 include/asm-generic/bitops/minix.h           |   16 +-
 include/asm-generic/bitops/non-atomic.h      |  109 +----
 include/asm-generic/bitops/sched.h           |   32 +--
 include/asm-generic/bug.h                    |  144 +-----
 include/asm-generic/cmpxchg-local.h          |   66 +---
 include/asm-generic/cmpxchg.h                |   23 +-
 include/asm-generic/cputime.h                |   70 +---
 include/asm-generic/device.h                 |   13 +-
 include/asm-generic/div64.h                  |   59 +--
 include/asm-generic/dma-coherent.h           |   33 +--
 include/asm-generic/dma-mapping-broken.h     |   83 +---
 include/asm-generic/dma-mapping.h            |  309 +-----------
 include/asm-generic/emergency-restart.h      |   10 +-
 include/asm-generic/errno-base.h             |   40 +--
 include/asm-generic/errno.h                  |  110 +----
 include/asm-generic/fcntl.h                  |  152 +------
 include/asm-generic/futex.h                  |   57 +--
 include/asm-generic/gpio.h                   |  189 +-------
 include/asm-generic/ide_iops.h               |   39 +--
 include/asm-generic/int-l64.h                |   72 +---
 include/asm-generic/int-ll64.h               |   77 +---
 include/asm-generic/ioctl.h                  |  106 +----
 include/asm-generic/iomap.h                  |   73 +---
 include/asm-generic/irq_regs.h               |   38 +--
 include/asm-generic/kdebug.h                 |   10 +-
 include/asm-generic/libata-portmap.h         |    8 +-
 include/asm-generic/local.h                  |   75 +---
 include/asm-generic/memory_model.h           |   78 +---
 include/asm-generic/mm_hooks.h               |   19 +-
 include/asm-generic/mman.h                   |   42 +--
 include/asm-generic/mutex-dec.h              |   91 +----
 include/asm-generic/mutex-null.h             |   20 +-
 include/asm-generic/mutex-xchg.h             |  112 +----
 include/asm-generic/page.h                   |   25 +-
 include/asm-generic/pci-dma-compat.h         |  108 +----
 include/asm-generic/pci.h                    |   56 +--
 include/asm-generic/percpu.h                 |   84 +---
 include/asm-generic/pgtable-nopmd.h          |   70 +---
 include/asm-generic/pgtable-nopud.h          |   62 +---
 include/asm-generic/pgtable.h                |  345 +------------
 include/asm-generic/poll.h                   |   38 +--
 include/asm-generic/resource.h               |   95 +----
 include/asm-generic/rtc.h                    |  219 +--------
 include/asm-generic/sections.h               |   24 +-
 include/asm-generic/siginfo.h                |  297 +-----------
 include/asm-generic/signal.h                 |   29 +-
 include/asm-generic/statfs.h                 |   83 +---
 include/asm-generic/syscall.h                |  142 +-----
 include/asm-generic/termios.h                |   78 +---
 include/asm-generic/tlb.h                    |  149 +------
 include/asm-generic/topology.h               |   83 +---
 include/asm-generic/uaccess.h                |   27 +-
 include/asm-generic/vmlinux.lds.h            |  442 +----------------
 include/asm-generic/xor.h                    |  719 +-------------------------
 include/generic/asm/4level-fixup.h           |   37 ++
 include/generic/asm/atomic.h                 |  258 +++++++++
 include/generic/asm/audit_change_attr.h      |   22 +
 include/generic/asm/audit_dir_write.h        |   18 +
 include/generic/asm/audit_read.h             |    8 +
 include/generic/asm/audit_signal.h           |    3 +
 include/generic/asm/audit_write.h            |   13 +
 include/generic/asm/bitops.h                 |   33 ++
 include/generic/asm/bitops/__ffs.h           |   43 ++
 include/generic/asm/bitops/__fls.h           |   43 ++
 include/generic/asm/bitops/atomic.h          |  188 +++++++
 include/generic/asm/bitops/ext2-atomic.h     |   22 +
 include/generic/asm/bitops/ext2-non-atomic.h |   20 +
 include/generic/asm/bitops/ffs.h             |   41 ++
 include/generic/asm/bitops/ffz.h             |   12 +
 include/generic/asm/bitops/find.h            |   15 +
 include/generic/asm/bitops/fls.h             |   41 ++
 include/generic/asm/bitops/fls64.h           |   36 ++
 include/generic/asm/bitops/hweight.h         |   11 +
 include/generic/asm/bitops/le.h              |   57 ++
 include/generic/asm/bitops/lock.h            |   45 ++
 include/generic/asm/bitops/minix-le.h        |   17 +
 include/generic/asm/bitops/minix.h           |   15 +
 include/generic/asm/bitops/non-atomic.h      |  108 ++++
 include/generic/asm/bitops/sched.h           |   31 ++
 include/generic/asm/bug.h                    |  143 +++++
 include/generic/asm/cmpxchg-local.h          |   65 +++
 include/generic/asm/cmpxchg.h                |   22 +
 include/generic/asm/cputime.h                |   69 +++
 include/generic/asm/device.h                 |   12 +
 include/generic/asm/div64.h                  |   58 ++
 include/generic/asm/dma-coherent.h           |   32 ++
 include/generic/asm/dma-mapping-broken.h     |   82 +++
 include/generic/asm/dma-mapping.h            |  308 +++++++++++
 include/generic/asm/emergency-restart.h      |    9 +
 include/generic/asm/errno-base.h             |   39 ++
 include/generic/asm/errno.h                  |  109 ++++
 include/generic/asm/fcntl.h                  |  151 ++++++
 include/generic/asm/futex.h                  |   56 ++
 include/generic/asm/gpio.h                   |  188 +++++++
 include/generic/asm/ide_iops.h               |   38 ++
 include/generic/asm/int-l64.h                |   71 +++
 include/generic/asm/int-ll64.h               |   76 +++
 include/generic/asm/ioctl.h                  |  105 ++++
 include/generic/asm/iomap.h                  |   72 +++
 include/generic/asm/irq_regs.h               |   37 ++
 include/generic/asm/kdebug.h                 |    9 +
 include/generic/asm/libata-portmap.h         |    7 +
 include/generic/asm/local.h                  |   74 +++
 include/generic/asm/memory_model.h           |   77 +++
 include/generic/asm/mm_hooks.h               |   18 +
 include/generic/asm/mman.h                   |   41 ++
 include/generic/asm/mutex-dec.h              |   90 ++++
 include/generic/asm/mutex-null.h             |   19 +
 include/generic/asm/mutex-xchg.h             |  111 ++++
 include/generic/asm/page.h                   |   24 +
 include/generic/asm/pci-dma-compat.h         |  107 ++++
 include/generic/asm/pci.h                    |   55 ++
 include/generic/asm/percpu.h                 |   83 +++
 include/generic/asm/pgtable-nopmd.h          |   69 +++
 include/generic/asm/pgtable-nopud.h          |   61 +++
 include/generic/asm/pgtable.h                |  344 ++++++++++++
 include/generic/asm/poll.h                   |   37 ++
 include/generic/asm/resource.h               |   94 ++++
 include/generic/asm/rtc.h                    |  218 ++++++++
 include/generic/asm/sections.h               |   23 +
 include/generic/asm/siginfo.h                |  296 +++++++++++
 include/generic/asm/signal.h                 |   28 +
 include/generic/asm/statfs.h                 |   82 +++
 include/generic/asm/syscall.h                |  141 +++++
 include/generic/asm/termios.h                |   77 +++
 include/generic/asm/tlb.h                    |  148 ++++++
 include/generic/asm/topology.h               |   82 +++
 include/generic/asm/uaccess.h                |   26 +
 include/generic/asm/vmlinux.lds.h            |  441 ++++++++++++++++
 include/generic/asm/xor.h                    |  718 +++++++++++++++++++++++++
 scripts/Makefile.headersinst                 |    9 +
 162 files changed, 6565 insertions(+), 6487 deletions(-)
 delete mode 100644 arch/x86/include/asm/cputime.h
 delete mode 100644 arch/x86/include/asm/errno.h
 delete mode 100644 arch/x86/include/asm/fcntl.h
 delete mode 100644 arch/x86/include/asm/ioctl.h
 delete mode 100644 arch/x86/include/asm/poll.h
 delete mode 100644 arch/x86/include/asm/resource.h
 delete mode 100644 arch/x86/include/asm/rtc.h
 delete mode 100644 arch/x86/include/asm/sections.h
 create mode 100644 include/generic/asm/4level-fixup.h
 create mode 100644 include/generic/asm/atomic.h
 create mode 100644 include/generic/asm/audit_change_attr.h
 create mode 100644 include/generic/asm/audit_dir_write.h
 create mode 100644 include/generic/asm/audit_read.h
 create mode 100644 include/generic/asm/audit_signal.h
 create mode 100644 include/generic/asm/audit_write.h
 create mode 100644 include/generic/asm/bitops.h
 create mode 100644 include/generic/asm/bitops/__ffs.h
 create mode 100644 include/generic/asm/bitops/__fls.h
 create mode 100644 include/generic/asm/bitops/atomic.h
 create mode 100644 include/generic/asm/bitops/ext2-atomic.h
 create mode 100644 include/generic/asm/bitops/ext2-non-atomic.h
 create mode 100644 include/generic/asm/bitops/ffs.h
 create mode 100644 include/generic/asm/bitops/ffz.h
 create mode 100644 include/generic/asm/bitops/find.h
 create mode 100644 include/generic/asm/bitops/fls.h
 create mode 100644 include/generic/asm/bitops/fls64.h
 create mode 100644 include/generic/asm/bitops/hweight.h
 create mode 100644 include/generic/asm/bitops/le.h
 create mode 100644 include/generic/asm/bitops/lock.h
 create mode 100644 include/generic/asm/bitops/minix-le.h
 create mode 100644 include/generic/asm/bitops/minix.h
 create mode 100644 include/generic/asm/bitops/non-atomic.h
 create mode 100644 include/generic/asm/bitops/sched.h
 create mode 100644 include/generic/asm/bug.h
 create mode 100644 include/generic/asm/cmpxchg-local.h
 create mode 100644 include/generic/asm/cmpxchg.h
 create mode 100644 include/generic/asm/cputime.h
 create mode 100644 include/generic/asm/device.h
 create mode 100644 include/generic/asm/div64.h
 create mode 100644 include/generic/asm/dma-coherent.h
 create mode 100644 include/generic/asm/dma-mapping-broken.h
 create mode 100644 include/generic/asm/dma-mapping.h
 create mode 100644 include/generic/asm/emergency-restart.h
 create mode 100644 include/generic/asm/errno-base.h
 create mode 100644 include/generic/asm/errno.h
 create mode 100644 include/generic/asm/fcntl.h
 create mode 100644 include/generic/asm/futex.h
 create mode 100644 include/generic/asm/gpio.h
 create mode 100644 include/generic/asm/ide_iops.h
 create mode 100644 include/generic/asm/int-l64.h
 create mode 100644 include/generic/asm/int-ll64.h
 create mode 100644 include/generic/asm/ioctl.h
 create mode 100644 include/generic/asm/iomap.h
 create mode 100644 include/generic/asm/irq_regs.h
 create mode 100644 include/generic/asm/kdebug.h
 create mode 100644 include/generic/asm/libata-portmap.h
 create mode 100644 include/generic/asm/local.h
 create mode 100644 include/generic/asm/memory_model.h
 create mode 100644 include/generic/asm/mm_hooks.h
 create mode 100644 include/generic/asm/mman.h
 create mode 100644 include/generic/asm/mutex-dec.h
 create mode 100644 include/generic/asm/mutex-null.h
 create mode 100644 include/generic/asm/mutex-xchg.h
 create mode 100644 include/generic/asm/page.h
 create mode 100644 include/generic/asm/pci-dma-compat.h
 create mode 100644 include/generic/asm/pci.h
 create mode 100644 include/generic/asm/percpu.h
 create mode 100644 include/generic/asm/pgtable-nopmd.h
 create mode 100644 include/generic/asm/pgtable-nopud.h
 create mode 100644 include/generic/asm/pgtable.h
 create mode 100644 include/generic/asm/poll.h
 create mode 100644 include/generic/asm/resource.h
 create mode 100644 include/generic/asm/rtc.h
 create mode 100644 include/generic/asm/sections.h
 create mode 100644 include/generic/asm/siginfo.h
 create mode 100644 include/generic/asm/signal.h
 create mode 100644 include/generic/asm/statfs.h
 create mode 100644 include/generic/asm/syscall.h
 create mode 100644 include/generic/asm/termios.h
 create mode 100644 include/generic/asm/tlb.h
 create mode 100644 include/generic/asm/topology.h
 create mode 100644 include/generic/asm/uaccess.h
 create mode 100644 include/generic/asm/vmlinux.lds.h
 create mode 100644 include/generic/asm/xor.h


  parent reply	other threads:[~2009-03-18 17:08 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-12 13:43 [PATCH 0/3] Generic headers implementation Remis Lima Baima
2009-03-12 13:43 ` [PATCH 1/3] Create the infrastructure for generic headers Remis Lima Baima
2009-03-12 13:43   ` [PATCH 2/3] Apply generic headers for x86 Remis Lima Baima
2009-03-12 13:43     ` [PATCH 3/3] Apply generic headers for PPC Remis Lima Baima
2009-03-12 15:31 ` [PATCH 0/3] Generic headers implementation Sam Ravnborg
2009-03-13 21:50   ` Remis Lima Baima
2009-03-18 17:08   ` Remis Lima Baima [this message]
     [not found]     ` <1237396115-28674-2-git-send-email-remis.developer@googlemail.com>
2009-03-18 17:08       ` [PATCH 2/2] Apply generic headers for x86 Remis Lima Baima
2009-03-20 16:31       ` [PATCH] Create the infrastructure for generic headers-UPDATE Remis Lima Baima

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