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Merge up to 2.6.26
Merge of 2.6.x-xfs-melb:linux:31804b by kenmcd.

2008-07-18 Jay Lan  <jlan@sgi.com>

	* support Hardware Breakpoint (bph/bpha) commands
	  IA64: Greg Banks <gnb@sgi.com>
	  X86:  Konstantin Baydarov <kbaidarov@ru.mvista.com>
	* kdb-v4.4-2.6.26-x86-2.

2008-07-14 Jay Lan  <jlan@sgi.com>

        * kdb-v4.4-2.6.26-x86-1.

2008-07-11 Jay Lan  <jlan@sgi.com>

        * New commands and some fixups and enhancements,
          Joe Korty <joe.korty@ccur.com>
          John Blackwood <john.blackwood@ccur.com>
          Jim Houston <jim.houston@ccur.com>
          - Use the non-sleeping copy_from_user_atomic.
          - Enhance kdb_cmderror diagnostic output.
          - Expand the KDB 'duplicate command' error message.
          - Touch NMI watchdog in various KDB busy-loops.
          - Support IMB HS20 Blade 8843 platform.
          - Display exactly which cpus needed an NMI to get them into kdb.
          - Better document that kdb's 'ps A' command can be used to show
            _all_ processes and threads
          - Suppress KDB boottime INFO messages if quiet boot.
          - Add a KDB breakpoint to the OOPs path.
          - Add CONFIG_DISCONTIGMEM support to kdbm_memmap.
          - Extend the KDB task command to handle CONFIG_NUMA fields.
          - Extend the KDB vm command to support NUMA stuff.
          - Create the KDB mempolicy command.
          - Create a pgdat command for KDB.
          - Fix a hang on boot on some i386 systems.
        * kdb-v4.4-2.6.26-rc9-x86-1.

2008-06-30 Jay Lan  <jlan@sgi.com>

	* kdb-v4.4-2.6.26-rc8-x86-1.

2008-06-25 Jay Lan  <jlan@sgi.com>

	* kdb-v4.4-2.6.26-rc7-x86-1.

2008-06-06 Jay Lan  <jlan@sgi.com>

	* kdb-v4.4-2.6.26-rc5-x86-1.

2008-05-30 Jay Lan  <jlan@sgi.com>

	* kdb-v4.4-2.6.26-rc4-x86-1.

2008-05-20 Jay Lan  <jlan@sgi.com>

	* Merged <asm-x86/kdb_32.h> and <asm-x86/kdb_64.h> to <asm-x86/kdb.h>.
	* Merged <asm-x86/kdbprivate_32.h> and <asm-x86/kdbprivate_64.h> to
	  <asm-x86/kdbprivate.h>.
	* kdb-v4.4-2.6.26-rc3-x86-1.

2008-05-15 Jay Lan  <jlan@sgi.com>

	* Fixed the i386 backtrace problem where KDB failed to find stacks
	  in the kernel space.
	* kdb-v4.4-2.6.26-rc1-x86-3.

2008-05-14 Jay Lan  <jlan@sgi.com>

	* Fixed a bug that bb_all scans only odd number entries of kallsyms.
	* kdb-v4.4-2.6.26-rc1-x86-2.

2008-05-13 Jay Lan  <jlan@sgi.com>

	* Known problem: backtrace for i386 is broken since 2.6.25-rc1.
	* kdb-v4.4-2.6.26-rc1-x86-1.

2008-05-13 Jay Lan  <jlan@sgi.com>

	* Known problem: backtrace for i386 is broken since 2.6.25-rc1.
	* Fixed a couple of x86_64 problems:
	  - "iret_label" are replaced by "irq_return".
	  - bb1 failure on ia32_sysenter_target() & ia32_cstar_target()
	* kdb-v4.4-2.6.25-x86-2.

2008-04-17 Jay Lan  <jlan@sgi.com>

	* Known problem: backtrace for i386 is broken since 2.6.25-rc1.
	* kdb-v4.4-2.6.25-x86-1.

2008-03-19 Jay Lan  <jlan@sgi.com>

	* i386: systenter_entry was replaced with ia32_sysenter_target since
	  2.6.25-rc1, Jay Lan <jlan@sgi.com>
	* Known problem: backtrace for i386 is broken since 2.6.25-rc1.
	* kdb-v4.4-2.6.25-rc6-x86-2.

2008-03-16 Jay Lan  <jlan@sgi.com>

	* Known problem: backtrace for i386 is broken since 2.6.25-rc1.
	* kdb-v4.4-2.6.25-rc6-x86-1.

2008-03-03 Jay Lan  <jlan@sgi.com>

	* Known problem: backtrace for i386 is broken since 2.6.25-rc1.
	* kdb-v4.4-2.6.25-rc3-x86-1.

2008-02-26 Jay Lan  <jlan@sgi.com>

	* remove 'fastcall' from kdb code.
	* Known problem: backtrace for i386 is broken since 2.6.25-rc1.
	* kdb-v4.4-2.6.25-rc2-x86-1.

2008-02-19 Jay Lan  <jlan@sgi.com>

	* Known problem: backtrace for i386 is broken.
	* kdb-v4.4-2.6.25-rc1-x86-1.

2008-02-01 Jay Lan  <jlan@sgi.com>

	* Backed out USB UHCI support since it caused dropped characters and
          broke OHCI.
	* Restored "archkdbcommon" commands for x86. It was lost at the x86
	  merge.
	* Detecting if the HC was "busy", Aaron Young <ayoung@sgi.com>
	* kdb-v4.4-2.6.24-x86-2.

2008-01-29 Jay Lan  <jlan@sgi.com>

	* kdb-v4.4-2.6.24-x86-1.

2008-01-22 Jay Lan  <jlan@sgi.com>

	* USB UHCI kdb support, Konstantin Baydarov <kbaidarov@ru.mvista.com>
	* kdb-v4.4-2.6.24-rc8-x86-3.

2008-01-18 Jay Lan  <jlan@sgi.com>

	* USB EHCI kdb support,  Aaron Young <ayoung@sgi.com>
	* kdb-v4.4-2.6.24-rc8-x86-2.

2008-01-18 Jay Lan  <jlan@sgi.com>

	* kdb-v4.4-2.6.24-rc8-x86-1.

2008-01-09 Jay Lan  <jlan@sgi.com>

	* Merge arch/x86/kdb/kdba_io_64.c and arch/x86/kdb/kdba_io_32.c to
	  arch/x86/kdb/kdba_io.c
	* Merge arch/x86/kdb/kdba_id_64.c and arch/x86/kdb/kdba_id_32.c to
	  arch/x86/kdb/kdba_id.c
	* Merge arch/x86/kdb/pc_keyb_64.h and arch/x86/kdb/pc_keyb_32.h to
	  arch/x86/kdb/pc_keyb.h
	* kdb-v4.4-2.6.24-rc7-x86-2.

2008-01-07 Jay Lan  <jlan@sgi.com>

	* kdb-v4.4-2.6.24-rc7-x86-1.

2007-12-21 Jay Lan  <jlan@sgi.com>

	* Renamed kdb/kdba_bt_x86.c to arch/x86/kdba_bt.c.
	* Find gcc options 'no-optimize-sibling-calls' & 'regparm' from
	  $(KBUILD_CFLAGS) in arch/x86/kdb/Makefile_{32,64}. We used to
	  get them from $(CFLAGS).
	* Default regparm to 3 on x86_32 if not defined.
	* kdb v4.4-2.6.24-rc6-x86-1.

2007-12-12 Jay Lan  <jlan@sgi.com>

	* Fixed a Makefile_32 error.
	* kdb v4.4-2.6.24-rc5-x86-1.

2007-12-05 Jay Lan  <jlan@sgi.com>

	* Fixed a 'sysctl table check failed' problem.
	* kdb v4.4-2.6.24-rc4-x86-1.

2007-11-26 Jay Lan  <jlan@sgi.com>

	* kdb v4.4-2.6.24-rc3-x86-1.

2007-11-13 Jay Lan  <jlan@sgi.com>

	* Back ported "New KDB USB interface" from Aaron Young in
	  v4.4-2.6.23-{i386,x86_64}-2 to 2.6.24 kdb patchset.
	* Fixed a make problem at arch/x86/Makefile_{32,64}.
	* kdb v4.4-2.6.24-rc2-x86-2.

2007-11-12 Jay Lan  <jlan@sgi.com>

	* kdb v4.4-2.6.24-rc2-x86-1.

2007-11-09 Jay Lan  <jlan@sgi.com>

	* Rebase to 2.6.24-rc1 kernel
	*   - merged kdb-v4.4-2.6.23-i386-1 and kdb-v4.4-2.6.23-x86_64-1
	*     into kdb-v4.4-2.6.24-rc1-x86-1
	*   - Fields "done", "sglist_len", and "pid" are removed from
	*     struct scsi_cmnd. Thus, these fields are no longer displayed
	*     on "sc" command.
	* kdb v4.4-2.6.24-rc1-x86-1.