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Linus Torvalds 0195c00244 Disintegrate and delete asm/system.h 
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Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system

Pull "Disintegrate and delete asm/system.h" from David Howells:
 "Here are a bunch of patches to disintegrate asm/system.h into a set of
  separate bits to relieve the problem of circular inclusion
  dependencies.

  I've built all the working defconfigs from all the arches that I can
  and made sure that they don't break.

  The reason for these patches is that I recently encountered a circular
  dependency problem that came about when I produced some patches to
  optimise get_order() by rewriting it to use ilog2().

  This uses bitops - and on the SH arch asm/bitops.h drags in
  asm-generic/get_order.h by a circuituous route involving asm/system.h.

  The main difficulty seems to be asm/system.h.  It holds a number of
  low level bits with no/few dependencies that are commonly used (eg.
  memory barriers) and a number of bits with more dependencies that
  aren't used in many places (eg.  switch_to()).

  These patches break asm/system.h up into the following core pieces:

    (1) asm/barrier.h

        Move memory barriers here.  This already done for MIPS and Alpha.

    (2) asm/switch_to.h

        Move switch_to() and related stuff here.

    (3) asm/exec.h

        Move arch_align_stack() here.  Other process execution related bits
        could perhaps go here from asm/processor.h.

    (4) asm/cmpxchg.h

        Move xchg() and cmpxchg() here as they're full word atomic ops and
        frequently used by atomic_xchg() and atomic_cmpxchg().

    (5) asm/bug.h

        Move die() and related bits.

    (6) asm/auxvec.h

        Move AT_VECTOR_SIZE_ARCH here.

  Other arch headers are created as needed on a per-arch basis."

Fixed up some conflicts from other header file cleanups and moving code
around that has happened in the meantime, so David's testing is somewhat
weakened by that.  We'll find out anything that got broken and fix it..

* tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system: (38 commits)
  Delete all instances of asm/system.h
  Remove all #inclusions of asm/system.h
  Add #includes needed to permit the removal of asm/system.h
  Move all declarations of free_initmem() to linux/mm.h
  Disintegrate asm/system.h for OpenRISC
  Split arch_align_stack() out from asm-generic/system.h
  Split the switch_to() wrapper out of asm-generic/system.h
  Move the asm-generic/system.h xchg() implementation to asm-generic/cmpxchg.h
  Create asm-generic/barrier.h
  Make asm-generic/cmpxchg.h #include asm-generic/cmpxchg-local.h
  Disintegrate asm/system.h for Xtensa
  Disintegrate asm/system.h for Unicore32 [based on ver #3, changed by gxt]
  Disintegrate asm/system.h for Tile
  Disintegrate asm/system.h for Sparc
  Disintegrate asm/system.h for SH
  Disintegrate asm/system.h for Score
  Disintegrate asm/system.h for S390
  Disintegrate asm/system.h for PowerPC
  Disintegrate asm/system.h for PA-RISC
  Disintegrate asm/system.h for MN10300
  ...
2012-03-28 15:58:21 -07:00
..
boot Blackfin: encode cpu-rev into uImage name 2011-01-10 07:18:27 -05:00
configs arch: blackfin: udpate defconfig 2012-03-21 11:00:09 +08:00
include Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
kernel blackfin:dma: rename bfin_dma_5xx.c to bfin_dma.c 2012-03-21 11:00:10 +08:00
lib blackfin: clean up string bfin_dma_5xx after rename. 2012-03-21 11:00:10 +08:00
mach-bf518 arch/blackfin: don't generate random mac in bfin_get_ether_addr() 2012-03-21 11:00:08 +08:00
mach-bf527 arch/blackfin: don't generate random mac in bfin_get_ether_addr() 2012-03-21 11:00:08 +08:00
mach-bf533 blackfin: i2c-lcd: change default clock rate 2012-01-09 10:26:16 +08:00
mach-bf537 Blackfin: pnav: delete duplicate linux/export.h include 2012-03-21 11:00:09 +08:00
mach-bf538 blackfin: config: update macro SPI_BFIN in board file 2012-01-09 10:26:15 +08:00
mach-bf548 bf548: ssm2602: Add ssm2602 platform data into bf548 ezkit board file. 2012-03-21 11:00:10 +08:00
mach-bf561 bf561: add ppi DLEN macro for 10bits to 16bits 2012-03-21 11:00:09 +08:00
mach-common Blackfin: s/#if CONFIG/#ifdef CONFIG/ 2012-03-21 11:00:09 +08:00
mm blackfin: Add export.h to files using EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:01 -04:00
oprofile Blackfin arch: remove hardware PM code, oprofile not use it 2009-01-07 23:14:39 +08:00
ADI_BSD.txt Blackfin: mass clean up of copyright/licensing info 2009-10-07 04:36:26 -04:00
Kconfig nmi watchdog: do not use cpp symbol in Kconfig 2012-03-23 16:58:31 -07:00
Kconfig.debug Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin 2011-05-25 15:34:14 -07:00
Makefile Blackfin: encode cpu-rev into uImage name 2011-01-10 07:18:27 -05:00