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Message-Id: <200906112146.32441.arnd@arndb.de>
Date: Thu, 11 Jun 2009 21:46:31 +0000
From: Arnd Bergmann <arnd@...db.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Arnd Bergmann <arnd@...db.de>,
Remis Lima Baima <remis.developer@...glemail.com>,
linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
Michal Simek <monstr@...str.eu>,
Chen Liqin <liqin.chen@...plusct.com>
Subject: [GIT PULL] new files form asm-generic
Hi Linus,
This is a series of patches that adds a mostly-complete set of generic
header files in the include/asm-generic hierarchy.
Please pull
git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/asm-generic.git for-linus
None of these patches should impact currently executed code in
any way, but there are four goals here:
1 Give architecture maintainers a set of generic header files that they
can work with to reduce code duplication. I currently have three series
of patches doing this, one for each of x86, power and microblaze. The
plan is to get those integrated through the arch maintainers in the
2.6.32 merge window. The amount of code added here will be more than
made up if two architectures drop their duplicate files later.
2 Allow the merging of the score architecture. Based on my feedback, this
has migrated to using most of the header files from this series, so
it has become a dependency. I'd like to get my code in as early as
possible in this merge window to give them a chance to rebase on the
mainline tree for merging.
3 Give the microblaze architecture the chance to fix their ABI. That
code is still carrying some legacy warts in its user space ABI, and
Michal Simek agreed to convert to the asm-generic versions of the
exported headers once they get in, changing the microblaze ABI one
last time.
4 Serve as an example to new architecture maintainers on how they should
implement their files. In many cases, they can simply use the generic
version, in others they can use them as a base for their own optimized
versions.
The patches have been worked on by myself, with significant testing and
improvements from Remis. The logic to get there was roughly for each
file:
- if less than two thirds of the architectures implement it, don't
touch it. (e.g. vdso.h)
- if all architectures are fundamentally different, don't touch it.
(e.g. ptrace.h) There are fewer of these than I expected.
- if most architectures agree on a sane approach, use that one.
(e.g. current.h)
- if an incomplete header file exists in asm-generic, rename that
and provide a new file according to the other rules (e.g. page.h,
mman.h).
- if there are common variants that are only slightly different,
create a generalized variant that an architecture can choose its
way by potentially overriding the defaults (e.g. ioctls.h, types.h),
make the default option either the most sane or the most common one.
- if all architectures are different without a good reason, choose
the sanest combination of contents so the future ones are all the
same (e.g. unistd.h, stat.h)
- if an architecture only needs it to support a feature (e.g. SMP,
PCI, MMU), add a file for the case where that feature is not present,
(e.g. page.h, vga.h). Simple architectures can now fall back on this
file, more sophisticated ones need their own code.
---
Arnd Bergmann (16):
asm-generic: rename termios.h, signal.h and mman.h
asm-generic: introduce asm/bitsperlong.h
asm-generic: add generic sysv ipc headers
asm-generic: add generic ABI headers
asm-generic: add a generic unistd.h
asm-generic: rename atomic.h to atomic-long.h
asm-generic: rename page.h and uaccess.h
asm-generic: make get_rtc_time overridable
asm-generic: make pci.h usable directly
asm-generic: make bitops.h usable
asm-generic: add generic versions of common headers
asm-generic: add legacy I/O header files
asm-generic: add generic atomic.h and io.h
asm-generic: add generic NOMMU versions of some headers
asm-generic: add a generic uaccess.h
add generic lib/checksum.c
include/asm-generic/Kbuild | 22 +
include/asm-generic/Kbuild.asm | 1 +
include/asm-generic/{atomic.h => atomic-long.h} | 6 +-
include/asm-generic/atomic.h | 423 ++++------
include/asm-generic/auxvec.h | 8 +
include/asm-generic/bitops.h | 24 +-
include/asm-generic/bitops/atomic.h | 1 +
include/asm-generic/bitsperlong.h | 32 +
include/asm-generic/bugs.h | 10 +
include/asm-generic/cache.h | 12 +
include/asm-generic/cacheflush.h | 30 +
include/asm-generic/checksum.h | 79 ++
include/asm-generic/current.h | 9 +
include/asm-generic/delay.h | 9 +
include/asm-generic/dma.h | 15 +
include/asm-generic/fb.h | 12 +
include/asm-generic/{page.h => getorder.h} | 8 +-
include/asm-generic/hardirq.h | 34 +
include/asm-generic/hw_irq.h | 9 +
include/asm-generic/int-l64.h | 2 +
include/asm-generic/int-ll64.h | 2 +
include/asm-generic/io.h | 300 +++++++
include/asm-generic/ioctls.h | 110 +++
include/asm-generic/ipcbuf.h | 34 +
include/asm-generic/irq.h | 18 +
include/asm-generic/irqflags.h | 72 ++
include/asm-generic/kmap_types.h | 32 +
include/asm-generic/linkage.h | 8 +
include/asm-generic/{mman.h => mman-common.h} | 6 +-
include/asm-generic/mman.h | 59 +-
include/asm-generic/mmu.h | 15 +
include/asm-generic/mmu_context.h | 45 +
include/asm-generic/module.h | 22 +
include/asm-generic/msgbuf.h | 47 ++
include/asm-generic/mutex.h | 9 +
include/asm-generic/page.h | 123 +++-
include/asm-generic/param.h | 24 +
include/asm-generic/parport.h | 23 +
include/asm-generic/pci.h | 8 +
include/asm-generic/pgalloc.h | 12 +
include/asm-generic/posix_types.h | 165 ++++
include/asm-generic/rtc.h | 2 +-
include/asm-generic/scatterlist.h | 43 +
include/asm-generic/segment.h | 9 +
include/asm-generic/sembuf.h | 38 +
include/asm-generic/serial.h | 13 +
include/asm-generic/setup.h | 6 +
include/asm-generic/shmbuf.h | 59 ++
include/asm-generic/shmparam.h | 6 +
include/asm-generic/{signal.h => signal-defs.h} | 6 +-
include/asm-generic/signal.h | 159 +++-
include/asm-generic/socket.h | 63 ++
include/asm-generic/sockios.h | 13 +
include/asm-generic/spinlock.h | 11 +
include/asm-generic/stat.h | 72 ++
include/asm-generic/string.h | 10 +
include/asm-generic/swab.h | 18 +
include/asm-generic/syscalls.h | 60 ++
include/asm-generic/system.h | 161 ++++
include/asm-generic/termbits.h | 198 +++++
include/asm-generic/termios-base.h | 77 ++
include/asm-generic/termios.h | 105 +++-
include/asm-generic/timex.h | 22 +
include/asm-generic/tlbflush.h | 18 +
include/asm-generic/types.h | 42 +
.../asm-generic/{uaccess.h => uaccess-unaligned.h} | 6 +-
include/asm-generic/uaccess.h | 351 ++++++++-
include/asm-generic/ucontext.h | 12 +
include/asm-generic/unaligned.h | 30 +
include/asm-generic/unistd.h | 854 ++++++++++++++++++++
include/asm-generic/user.h | 8 +
include/asm-generic/vga.h | 24 +
lib/Makefile | 2 +
lib/checksum.c | 193 +++++
scripts/checksyscalls.sh | 92 ++-
arch/alpha/include/asm/atomic.h | 2 +-
arch/alpha/include/asm/bitsperlong.h | 8 +
arch/alpha/include/asm/page.h | 2 +-
arch/alpha/include/asm/signal.h | 2 +-
arch/alpha/include/asm/types.h | 3 -
arch/arm/include/asm/atomic.h | 2 +-
arch/arm/include/asm/bitsperlong.h | 1 +
arch/arm/include/asm/mman.h | 2 +-
arch/arm/include/asm/page.h | 2 +-
arch/arm/include/asm/signal.h | 2 +-
arch/avr32/include/asm/atomic.h | 2 +-
arch/avr32/include/asm/bitsperlong.h | 1 +
arch/avr32/include/asm/mman.h | 2 +-
arch/avr32/include/asm/signal.h | 2 +-
arch/avr32/include/asm/termios.h | 2 +-
arch/blackfin/include/asm/atomic.h | 2 +-
arch/blackfin/include/asm/bitsperlong.h | 1 +
arch/blackfin/include/asm/page.h | 2 +-
arch/blackfin/include/asm/signal.h | 2 +-
arch/cris/include/asm/atomic.h | 2 +-
arch/cris/include/asm/bitsperlong.h | 1 +
arch/cris/include/asm/mman.h | 2 +-
arch/cris/include/asm/page.h | 2 +-
arch/cris/include/asm/signal.h | 2 +-
arch/frv/include/asm/atomic.h | 2 +-
arch/frv/include/asm/bitsperlong.h | 1 +
arch/frv/include/asm/mman.h | 2 +-
arch/frv/include/asm/page.h | 2 +-
arch/frv/include/asm/pci.h | 13 +-
arch/frv/include/asm/termios.h | 2 +-
arch/h8300/include/asm/atomic.h | 2 +-
arch/h8300/include/asm/bitsperlong.h | 1 +
arch/h8300/include/asm/mman.h | 2 +-
arch/h8300/include/asm/page.h | 2 +-
arch/h8300/include/asm/signal.h | 2 +-
arch/ia64/include/asm/atomic.h | 2 +-
arch/ia64/include/asm/bitsperlong.h | 8 +
arch/ia64/include/asm/mman.h | 2 +-
arch/ia64/include/asm/signal.h | 2 +-
arch/ia64/include/asm/types.h | 7 -
arch/m32r/include/asm/atomic.h | 2 +-
arch/m32r/include/asm/bitsperlong.h | 1 +
arch/m32r/include/asm/mman.h | 2 +-
arch/m32r/include/asm/page.h | 2 +-
arch/m32r/include/asm/pci.h | 2 -
arch/m32r/include/asm/signal.h | 2 +-
arch/m68k/include/asm/atomic_mm.h | 2 +-
arch/m68k/include/asm/atomic_no.h | 2 +-
arch/m68k/include/asm/bitsperlong.h | 1 +
arch/m68k/include/asm/mman.h | 2 +-
arch/m68k/include/asm/page_mm.h | 2 +-
arch/m68k/include/asm/page_no.h | 2 +-
arch/m68k/include/asm/signal.h | 2 +-
arch/microblaze/include/asm/atomic.h | 2 +-
arch/microblaze/include/asm/bitsperlong.h | 1 +
arch/microblaze/include/asm/page.h | 2 +-
arch/microblaze/include/asm/signal.h | 2 +-
arch/microblaze/include/asm/termios.h | 2 +-
arch/mips/include/asm/atomic.h | 2 +-
arch/mips/include/asm/bitsperlong.h | 8 +
arch/mips/include/asm/page.h | 2 +-
arch/mips/include/asm/signal.h | 2 +-
arch/mips/include/asm/types.h | 3 -
arch/mn10300/include/asm/atomic.h | 2 +-
arch/mn10300/include/asm/bitsperlong.h | 1 +
arch/mn10300/include/asm/mman.h | 2 +-
arch/mn10300/include/asm/signal.h | 2 +-
arch/parisc/include/asm/atomic.h | 2 +-
arch/parisc/include/asm/bitsperlong.h | 20 +
arch/parisc/include/asm/page.h | 2 +-
arch/parisc/include/asm/types.h | 8 -
arch/parisc/include/asm/uaccess.h | 2 +-
arch/powerpc/include/asm/atomic.h | 2 +-
arch/powerpc/include/asm/bitsperlong.h | 12 +
arch/powerpc/include/asm/mman.h | 2 +-
arch/powerpc/include/asm/page_32.h | 2 +-
arch/powerpc/include/asm/page_64.h | 2 +-
arch/powerpc/include/asm/signal.h | 2 +-
arch/powerpc/include/asm/termios.h | 2 +-
arch/powerpc/include/asm/types.h | 9 -
arch/s390/include/asm/atomic.h | 2 +-
arch/s390/include/asm/bitsperlong.h | 13 +
arch/s390/include/asm/mman.h | 2 +-
arch/s390/include/asm/page.h | 2 +-
arch/s390/include/asm/signal.h | 2 +-
arch/s390/include/asm/termios.h | 2 +-
arch/s390/include/asm/types.h | 6 -
arch/sh/include/asm/atomic.h | 2 +-
arch/sh/include/asm/bitsperlong.h | 1 +
arch/sh/include/asm/mman.h | 2 +-
arch/sh/include/asm/page.h | 2 +-
arch/sh/include/asm/signal.h | 2 +-
arch/sparc/include/asm/atomic_32.h | 2 +-
arch/sparc/include/asm/atomic_64.h | 2 +-
arch/sparc/include/asm/bitsperlong.h | 13 +
arch/sparc/include/asm/mman.h | 2 +-
arch/sparc/include/asm/page_32.h | 2 +-
arch/sparc/include/asm/page_64.h | 2 +-
arch/sparc/include/asm/signal.h | 2 +-
arch/sparc/include/asm/types.h | 4 -
arch/sparc/include/asm/uaccess_64.h | 2 +-
arch/um/include/asm/page.h | 2 +-
arch/x86/include/asm/atomic_32.h | 2 +-
arch/x86/include/asm/atomic_64.h | 2 +-
arch/x86/include/asm/bitsperlong.h | 13 +
arch/x86/include/asm/mman.h | 2 +-
arch/x86/include/asm/page.h | 2 +-
arch/x86/include/asm/signal.h | 2 +-
arch/x86/include/asm/types.h | 6 -
arch/xtensa/include/asm/atomic.h | 2 +-
arch/xtensa/include/asm/bitsperlong.h | 1 +
arch/xtensa/include/asm/page.h | 2 +-
187 files changed, 4438 insertions(+), 557 deletions(-)
create mode 100644 arch/alpha/include/asm/bitsperlong.h
create mode 100644 arch/arm/include/asm/bitsperlong.h
create mode 100644 arch/avr32/include/asm/bitsperlong.h
create mode 100644 arch/blackfin/include/asm/bitsperlong.h
create mode 100644 arch/cris/include/asm/bitsperlong.h
create mode 100644 arch/frv/include/asm/bitsperlong.h
create mode 100644 arch/h8300/include/asm/bitsperlong.h
create mode 100644 arch/ia64/include/asm/bitsperlong.h
create mode 100644 arch/m32r/include/asm/bitsperlong.h
create mode 100644 arch/m68k/include/asm/bitsperlong.h
create mode 100644 arch/microblaze/include/asm/bitsperlong.h
create mode 100644 arch/mips/include/asm/bitsperlong.h
create mode 100644 arch/mn10300/include/asm/bitsperlong.h
create mode 100644 arch/parisc/include/asm/bitsperlong.h
create mode 100644 arch/powerpc/include/asm/bitsperlong.h
create mode 100644 arch/s390/include/asm/bitsperlong.h
create mode 100644 arch/sh/include/asm/bitsperlong.h
create mode 100644 arch/sparc/include/asm/bitsperlong.h
create mode 100644 arch/x86/include/asm/bitsperlong.h
create mode 100644 arch/xtensa/include/asm/bitsperlong.h
rename include/asm-generic/{atomic.h => atomic-long.h} (97%)
rewrite include/asm-generic/atomic.h (98%)
create mode 100644 include/asm-generic/auxvec.h
create mode 100644 include/asm-generic/bitsperlong.h
create mode 100644 include/asm-generic/bugs.h
create mode 100644 include/asm-generic/cache.h
create mode 100644 include/asm-generic/cacheflush.h
create mode 100644 include/asm-generic/checksum.h
create mode 100644 include/asm-generic/current.h
create mode 100644 include/asm-generic/delay.h
create mode 100644 include/asm-generic/dma.h
create mode 100644 include/asm-generic/fb.h
rename include/asm-generic/{page.h => getorder.h} (59%)
create mode 100644 include/asm-generic/hardirq.h
create mode 100644 include/asm-generic/hw_irq.h
create mode 100644 include/asm-generic/io.h
create mode 100644 include/asm-generic/ioctls.h
create mode 100644 include/asm-generic/ipcbuf.h
create mode 100644 include/asm-generic/irq.h
create mode 100644 include/asm-generic/irqflags.h
create mode 100644 include/asm-generic/kmap_types.h
create mode 100644 include/asm-generic/linkage.h
rename include/asm-generic/{mman.h => mman-common.h} (93%)
rewrite include/asm-generic/mman.h (99%)
create mode 100644 include/asm-generic/mmu.h
create mode 100644 include/asm-generic/mmu_context.h
create mode 100644 include/asm-generic/module.h
create mode 100644 include/asm-generic/msgbuf.h
create mode 100644 include/asm-generic/mutex.h
rewrite include/asm-generic/page.h (93%)
create mode 100644 include/asm-generic/param.h
create mode 100644 include/asm-generic/parport.h
create mode 100644 include/asm-generic/pgalloc.h
create mode 100644 include/asm-generic/posix_types.h
create mode 100644 include/asm-generic/scatterlist.h
create mode 100644 include/asm-generic/segment.h
create mode 100644 include/asm-generic/sembuf.h
create mode 100644 include/asm-generic/serial.h
create mode 100644 include/asm-generic/setup.h
create mode 100644 include/asm-generic/shmbuf.h
create mode 100644 include/asm-generic/shmparam.h
rename include/asm-generic/{signal.h => signal-defs.h} (85%)
rewrite include/asm-generic/signal.h (86%)
create mode 100644 include/asm-generic/socket.h
create mode 100644 include/asm-generic/sockios.h
create mode 100644 include/asm-generic/spinlock.h
create mode 100644 include/asm-generic/stat.h
create mode 100644 include/asm-generic/string.h
create mode 100644 include/asm-generic/swab.h
create mode 100644 include/asm-generic/syscalls.h
create mode 100644 include/asm-generic/system.h
create mode 100644 include/asm-generic/termbits.h
create mode 100644 include/asm-generic/termios-base.h
create mode 100644 include/asm-generic/timex.h
create mode 100644 include/asm-generic/tlbflush.h
create mode 100644 include/asm-generic/types.h
rename include/asm-generic/{uaccess.h => uaccess-unaligned.h} (82%)
rewrite include/asm-generic/uaccess.h (96%)
create mode 100644 include/asm-generic/ucontext.h
create mode 100644 include/asm-generic/unaligned.h
create mode 100644 include/asm-generic/unistd.h
create mode 100644 include/asm-generic/user.h
create mode 100644 include/asm-generic/vga.h
create mode 100644 lib/checksum.c
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