linux/drivers/staging
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
..
android Staging: android: ram_console.c: 2012-03-15 16:38:14 -07:00
asus_oled staging: asus_oled: Remove superfluous loop 2012-02-29 15:43:21 -08:00
bcm Staging: bcm: fix possible memory leak of 'pstAddIndication' in CmHost.c and removes a whitespace 2012-03-02 16:36:55 -08:00
comedi Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
cptm1217
crystalhd Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
cxt1e1 Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging 2012-01-09 12:18:17 -08:00
echo
et131x Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
frontier Staging: frontier: Fix checkpatch.pl issue. 2012-02-24 12:03:12 -08:00
ft1000 Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
iio The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
keucr USB merge for 3.4-rc1 2012-03-20 11:26:30 -07:00
line6 staging: line6: separate handling of buffer allocation and stream startup 2012-02-09 09:14:35 -08:00
media Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
mei watchdog: fix set_timeout operations 2012-03-27 20:08:09 +02:00
nvec staging: nvec: Fix Kconfig dependencies 2012-01-31 10:28:00 -08:00
octeon staging/octeon: Fix PHY binding in octeon-ethernet driver. 2012-02-24 12:03:15 -08:00
olpc_dcon Staging: olpc_dcon.c: obsolete use of strict_stroul 2011-12-08 15:01:49 -08:00
omapdrm staging: drm/omap: use current time for page-flip event 2012-03-13 15:44:44 -07:00
ozwpan staging: ozwpan depends on NET 2012-03-14 12:14:26 -07:00
panel Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
phison staging/phison: Convert pci_table entries to PCI_DEVICE (if PCI_ANY_ID is used) 2011-11-28 04:24:32 +09:00
quatech_usb2 USB: serial: quatech_usb2.c: use module_usb_serial_driver 2012-02-28 13:11:27 -08:00
quickstart Staging: quickstart: Fix compilation warning on 64 bit arch 2012-02-13 20:08:56 -08:00
ramster Merge branch 'kmap_atomic' of git://github.com/congwang/linux 2012-03-21 09:40:26 -07:00
rtl8187se usermodehelper: use UMH_WAIT_PROC consistently 2012-03-23 16:58:41 -07:00
rtl8192e usermodehelper: use UMH_WAIT_PROC consistently 2012-03-23 16:58:41 -07:00
rtl8192u Merge branch 'kmap_atomic' of git://github.com/congwang/linux 2012-03-21 09:40:26 -07:00
rtl8712 staging: r8712u: Fix Smatch warning 2012-03-07 13:36:45 -08:00
rts5139 staging: Update TODO for rts5139 and rts_pstor 2012-02-24 12:03:14 -08:00
rts_pstor staging: Update TODO for rts5139 and rts_pstor 2012-02-24 12:03:14 -08:00
sbe-2t3e3 Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
sep staging: Fix SEP build 2012-02-13 14:42:02 -08:00
serial m68k/serial: Remove obsolete IRQ_FLG_* users 2011-11-26 16:22:27 -08:00
serqt_usb2 USB: serial: serqt_usb2.c: use module_usb_serial_driver 2012-02-28 13:11:30 -08:00
slicoss staging: clean up Greg's email address in some TODO files 2012-02-15 14:45:40 -08:00
sm7xx includecheck: delete any duplicate instances of module.h 2012-02-28 19:31:56 -05:00
speakup TTY: speakup, do not use serialP 2012-03-08 11:47:02 -08:00
ste_rmi4 ARM: More device tree support updates 2012-03-28 12:34:33 -07:00
telephony Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
tidspbridge Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
usbip Staging: usbip: Remove commented code. 2012-02-24 11:59:57 -08:00
vme staging: vme: fix section mismatches in linux-next 20120314 2012-03-15 14:04:34 -07:00
vt6655 staging: Fix typo in bssdb.c 2012-02-24 12:05:37 -08:00
vt6656 staging: Fix typo in bssdb.c 2012-02-24 12:05:37 -08:00
winbond USB: convert drivers/staging/* to use module_usb_driver() 2011-11-18 09:42:11 -08:00
wlags49_h2 Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
wlags49_h25 Staging: wlags49_h25: Makefile: remove unneeded stuff 2011-10-18 13:36:04 -07:00
wlan-ng Staging: wlan-ng: still setting wrong data 2012-02-29 15:55:52 -08:00
xgifb staging/xgifb: remove remaining duplicate initdef.h defines 2012-02-10 09:56:25 -08:00
zcache Cleanups: rename of flush to invalidate, moving reporting of statistics 2012-03-22 19:52:47 -07:00
zram Merge branch 'kmap_atomic' of git://github.com/congwang/linux 2012-03-21 09:40:26 -07:00
zsmalloc staging: zsmalloc: remove SPARSEMEM dep from Kconfig 2012-03-07 13:31:28 -08:00
Kconfig Merge branch 'drm-nouveau-destage' of git://people.freedesktop.org/~airlied/linux 2012-03-22 13:27:02 -07:00
Makefile staging: ozwpan: Plumbed in Kconfig and Kbuild 2012-02-24 09:29:24 -08:00
staging.c