ACPI merge, merges from Dave Jones, IDE updates, stuff from Andrew, PPC64
update, e100[0] driver updates, the works..

And no, I still haven't upgraded my changelog scripts, kill me.

                Linus

---
Summary of changes from v2.5.19 to v2.5.20
============================================


        o airo wireless net driver updates:


        o more file renames
        o rename ACPI files to remove acpi_ prefix. Why did we ever name them that way?
        o Clean up code based on things flagged by lint
        o Properly (?) handle the multiple people who can find PCI root bridges
        o ACPI PCI IRQ Improvements:
        o ACPI Ancillary files update
        o move arch-dependent macros from drivers/acpi/include/platform/acenv.h
        o Code cleanups

Andrew Morton 
        o direct-to-BIO writeback for writeback-mode ext3
        o remove PageSkip() macros
        o list_head debugging
        o rename block_symlink() to page_symlink()
        o remove inode.i_wait
        o buffer_boundary() for ext3
        o speed up writes
        o fix swapcache packing in the radix tree
        o dirsync support for minixfs, sysvfs and ufs
        o give swapper_space a set_page_dirty a_op
        o fix race between writeback and unlink
        o swapcache bugfixes
        o put in-memory filesystem dirty pages on the correct list
        o tmpfs bugfixes
        o rename flushpage to invalidatepage


        o Renames struct bus_type to struct de4x5_bus_type in de4x5 net driver,


        o pSeries HVC console: add hvc initalisation
        o pSeries HVC console: add missing function prototype
        o ppc64 signal cleanup: remove old debug and sync with ppc32 signal code
        o pSeries HVC console: Disable interrupts in spinlock regions, fix from
        o ppc64: signal formatting cleanups
        o ppc64: SIGURG fix from Chris Yeoh
        o ppc64: cleanup 32 bit signal code
        o ppc64: SIGURG fix from Chris Yeoh
        o ppc64: update config.in
        o ppc64: fixes for 2.5.14
        o ppc64: fix compile error caused by machine type changes
        o ppc64: Add PREEMPT_ACTIVE and fix HMT macro typo
        o ppc64: missed this during Naca -> naca merge
        o ppc64: provide default_idle, we shouldnt ever actually use this but
        o ppc64: Add TIOCSTOP translation
        o ppc64: dont allow tlbiel on large pages.
        o add subsys_initcall for pcibios_init
        o ppc64: remove old code for stacking signals, its not used any more
        o ppc64: reduce differences to the ppc32 signal code.
        o ppc64: Take page_table_lock in flush_tlb_mm
        o ppc64: Be sure to zero the fpscr in a signal handler, otherwise
        o ppc64: Fix a number of problems with our exception reporting, in
        o ppc64: use common die() function in bad_page_fault, from ppc32
        o ppc64: Add Ingo's irq affinity stuff, from x86
        o ppc64: prevsp is not used any more
        o ppc64: Paul Mackerras' optimized power4 copy routines
        o ppc64: use generic debugger hooks instead of hardwiring xmon
        o ppc64: Add get/setaffinity syscalls, from sparc64
        o ppc64: dont print "xmon called", it garbles the output when multiple
        o ppc64: Up the gcc inline limited, needed for gcc 3.1
        o ppc64: No need to handle address space destruction in flush_tlb_mm,
        o ppc64: Provide a rough cache_decay_ticks.
        o ppc64 defconfig update
        o ppc64: Remove last_syscall, we can work the syscall out easily from
        o ppc64 segment table rework. We preload segments for both segment
        o ppc64: missed during segment handler rework
        o ppc64: Recent firmware removes the compatible property on pci bridges.
        o ppc64: Fix 32 bit execve to mirror recent generic changes
        o ppc64: kill MAP_NR, dont mark free_initmem as __init
        o ppc64: mask top 4 bytes of si_code
        o remove bogus panic in ppc32_select
        o ppc64: quota updates
        o ppc64: signal32 updates from Stephen Rothwell - comment changes
        o ppc64: more signal32 updates from Stephen Rothwell
        o ppc64: Add CONFIG_CMDLINE, from ppc32
        o ppc64: more signal32 updates from Stephen Rothwell - replace some
        o ppc64: last of the signal32 updates from Stephen Rothwell. Fantastic
        o ppc64: Fix clear_user, from ppc32


        o add pSeries hypervisor console

Jens Axboe 
        o misc generic block tag fixes
        o documentation and tq_disk removals
        o Re: ufs compile error in 2.5.19]
        o update to the update

Martin Dalecki 
        o 2.5.19 IDE 76
        o 2.5.19 IDE 77
        o [PATCH} 2.5.19 IDE 79
        o 2.5.19 IDE 78
        o 2.5.19 IDE 82
        o 2.5.19 IDE 81
        o 2.5.19 IDE 80
        o 2.5.19 blk.h and more about the ugly kids.


        o dumb cpqarray init microoptimisation.
        o i386 mmx copying bug.
        o check misc_register result in efirtc
        o ps2esdi resource cleanups
        o region handling cleanups for gscd driver
        o i386 smp tweaks.
        o recognise 2 extra devices for xd.c
        o h8 janitor work
        o epca janitor work
        o dltk driver check_region -> request_region
        o ib700wdt janitor work
        o elsa check_region() -> request_region()
        o mixcomwd janitor work
        o esp janitor work
        o aztech CD driver janitor work
        o ite_gpio region handling cleanups
        o istallion janitor work
        o better sizing of queue_nr_requests
        o forward ioctls on raw devices to underlying devices
        o rtc max_user_freq sysctl
        o isicom check_region() -> request_region()
        o niccy region handling cleanups
        o teles3 region handling cleanups
        o Some includes that aren't needed.
        o Deliver SIGIO to FIFO and pipe devices
        o missing binfmt check
        o Fix deadlock in nbd
        o gazel region handling cleanups
        o Conversion of uidhash to use list_t
        o hd.c compilation fix.
        o avm_a1 check_region -> request_region cleanup
        o egcs no longer supported.
        o fill in empty hisax_fcpcipnp debug statement
        o add spinlocking to w83877f_wdt driver
        o struct super_block cleanup - adfs
        o missing GPL tags
        o Fix up agpgart.


        o ehci remove warning if no CONFIG_USB_DEBUG


        o PATCH: USB Scanner Driver 0.4.8 and new maintainer


        o trivial keyboard driver patch
        o pass "page" pointer to clear_user_page()/copy_user_page()
        o time-offset patch
        o agp support for i460 and zx1 cleanup


        o dl2k gige net driver updates:


        o 2.5.19 : drivers/mtd/nftlcore.c


        o Fix pcnet32 net driver workaround for xSeries250.


        o USB OHCI driver: Added SA1111 support
        o USB kernel-api documentation fix


        o kbuild: Add (internal) prepare target
        o kbuild: Don't rebuild if vmlinux if nothing changed - fix
        o kbuild: clean up generation of modversions.h
        o kbuild: Clarify the CONFIG_MODVERSIONS logic
        o kbuild: Use the real instead of a phony target if we have one
        o kbuild: Group targets which need / don't need .config
        o kbuild: Get rid of -DMODVERSIONS, further cleanup


        o USB storage: Dead code, more abort cleanups, and detached device fix


        o PCI: Make sure id_table is passed to probe callback
        o PCI Update:
        o Device Model: Add helpers bus_for_each_dev and bus_for_each_drv
        o Device Model: Implement centralized device/driver binding
        o PCI: Put pci_match_device back for the people that are still using it.
        o USB: define usb_bus_type and register on startup
        o driverfs update:
        o USB: Move URB request code from usb.c to urb.c
        o USB:
        o USB: Move synchronous message passing code from usb.c to message.c
        o USB: Move configuration parsing code from usb.c to config.c
        o driverfs: Remove default 'status' file: it had no useful read information, the commands+it supported were minimal and probably broken and the comments were wrong.
        o device model: remove flags parameter from struct device_driver::remove and fix all
+users
        o device model: Use driver_for_each_dev to unbind drivers from its devices (now that it's+implemented)
        o devicemode: Implement driver_for_each_dev


        o suspend-to-ram: clean up according to Andy
        o eepro100 net driver trivial cleanup:


        o Janitor: Add __devinit markers to two net drivers, epic100 and sundance


        o de4x5 does not compile in 2.5.19 due to bus_type conflict
        o missing argument to clear_user_page in v4l


        o [ARM] Fix makefiles for drivers/acorn/{block,char}/
        o [ARM] 2.5.18 Update ARM for TLB shootdown changes
        o [ARM] Remove redundant instruction cache code from decompressor.
        o [ARM] Tidy up context switch save area initialisation for fork
        o [ARM] Remove victor machine type
        o [ARM] cpufreq_init takes low and high frequency limits.
        o [ARM] Remove an extraneous load from atomic ops
        o [ARM] Context switch improvements
        o [ARM] Convert for() delay loops to udelay()
        o [ARM] Remove hard coded per-architecture memory, ramdisk and initrd


        o drivers/net/wan/dscc4.c - gross overflow


        o softirq.c per_cpu fix
        o AUDIT 2.5.19: Continuing copy_to/from_user & clear_user


        o Add ETHTOOL_PHYS_ID ethtool command to linux/ethtool.h.
        o e1000 net driver updates 2/4:
        o e100 net driver update:
        o e1000 net driver update 1/4:
        o e1000 net driver update 3/4:
        o e1000 net driver update 4/4:


        o APM patch for idle_period handling
        o missing bit from signal patches


        o Fix free-space leak truncating files in JFS.
        o JFS: cleanup dbAlloc
        o JFS: misc stuff for 2.5
        o JFS: metapage changes
        o JFS: support for kNFSD


        o Fix up ACPI makefile that got broken by the merge.
        o Fix PCI irq routing to always look up the bridge swizzling
        o Make qla1280 driver print out irq information along with bus location.
        o Allow  to be used even without NULL defined yet.
        o Simplify uidhash table allocation - no need to make it dynamic,
        o idescsi initialization is done with module_init(), not
        o Proper usage of isupper/tolower for build scripts.
        o Kernel version 2.5.20
        o Felipe W Damasio: add KERN_* to 3c501 driver printk's
        o Fix missing piece of uidhash list conversion
        o Simplify tlb_flush_mmu() for exit case: makes it easier on the ia64


        o Fix RAMDISK config problem
        o Missing include in drivers/base/bus.c and drivers/pci/pci-driver.c