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tag: v2.6.23-rc1
Commits on Jul 22, 2007
  1. Linux 2.6.23-rc1

    Linus Torvalds authored
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  2. x86_64: Rename CF Makefile variable in vdso

    Andi Kleen authored Linus Torvalds committed
    This avoids a conflict with sparse builds.
    
    Reported by Alexey Dobriyan, fix suggested by Al Viro
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  3. @ebiederm

    9p: Don't use binary sysctl numbers.

    ebiederm authored Linus Torvalds committed
    The recent 9p commit: bd238fb that
    supposedly only moved files also introduced a new 9p sysctl interface
    that did not properly register it's sysctl binary numbers.
    
    And since it was only for debugging clearly did not need a binary fast
    path in any case.  So this patch just remove the binary numbers.
    
    See Documentation/sysctl/ctl_unnumbered.txt for more details.
    
    While I was at it I cleaned up the sysctl initializers a little as
    well so there is less to read.
    
    Cc: Latchesar Ionkov <lucho@ionkov.net>
    Cc: Eric Van Hensbergen <ericvh@gmail.com>
    Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  4. @Lajnold

    Documentation: Fix a mispelt "probably" in SubmittingPatches.

    Lajnold authored Linus Torvalds committed
    Fix a typo in SubmittingPatches where "probably" was spelt "probabally".
    
    Signed-off-by: Linus Nilsson <lajnold@gmail.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  5. @Lajnold

    DocBook: Change a headline in kernel-locking to list all three main t…

    Lajnold authored Linus Torvalds committed
    …ypes of locking.
    
    Change a headline to reflect that there are three main types of kernel
    locking, not two.
    
    Signed-off-by: Linus Nilsson <lajnold@gmail.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  6. Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel…

    Linus Torvalds authored
    …/git/roland/infiniband
    
    * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
      IB/ehca: Support small QP queues
      IB/ehca: Make internal_create/destroy_qp() static
      IB/ehca: Move ehca2ib_return_code() out of line
      IB/ehca: Generate async event when SRQ limit reached
      IB/ehca: Support large page MRs
      IB/mlx4: Fix error path in create_qp_common()
      mlx4_core: Change command token on timeout
      IB/mthca: Change command token on timeout
      IB/ipath: Remove ipath_layer dead code
      IB/mlx4: Fix leaks in __mlx4_ib_modify_qp
  7. take declarations of enable_irq() et.al. to linux/interrupt.h

    Al Viro authored Linus Torvalds committed
    Now that the last inlined instances are gone, all that is left to do
    is turning disable_irq_nosync on arm26 and m68k from defines to aliases
    and we are all set - we can make these externs in linux/interrupt.h
    uncoditional and kill remaining instances in asm/irq.h
    
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  8. Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

    Linus Torvalds authored
    * master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (60 commits)
      [SCSI] libsas: make ATA functions selectable by a config option
      [SCSI] bsg: unexport sg v3 helper functions
      [SCSI] bsg: fix bsg_unregister_queue
      [SCSI] bsg: make class backlinks
      [SCSI] 3w-9xxx: add support for 9690SA
      [SCSI] bsg: fix bsg_register_queue error path
      [SCSI] ESP: Increase ESP_BUS_TIMEOUT to 275.
      [SCSI] libsas: fix scr_read/write users and update the libata documentation
      [SCSI] mpt fusion: update Kconfig help
      [SCSI] scsi_transport_sas: add destructor for bsg
      [SCSI] iscsi_tcp: buggered kmalloc()
      [SCSI] qla2xxx: Update version number to 8.02.00-k2.
      [SCSI] qla2xxx: Add ISP25XX support.
      [SCSI] qla2xxx: Use pci_try_set_mwi().
      [SCSI] qla2xxx: Use PCI-X/PCI-Express read control interfaces.
      [SCSI] qla2xxx: Re-factor isp_operations to static structures.
      [SCSI] qla2xxx: Validate mid-layer 'underflow' during check-condition handling.
      [SCSI] qla2xxx: Correct setting of 'current' and 'supported' speeds during FDMI registration.
      [SCSI] qla2xxx: Generalize iIDMA support.
      [SCSI] qla2xxx: Generalize FW-Interface-2 support.
      ...
  9. [SCSI] libsas: make ATA functions selectable by a config option

    James Bottomley authored James Bottomley committed
    Not everyone wants libsas automatically to pull in libata.  This patch
    makes the behaviour configurable, so you can build libsas with or
    without ATA support.
    
    Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
  10. Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

    Linus Torvalds authored
    * 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (60 commits)
      [ARM] 4524/1: S3C: Move register out of include/asm-arm/arch-s3c2410
      [ARM] 4523/1: S3C: Remove FIFO_MAX from uncompression headers
      [ARM] 4522/1: S3C: split include/asm-arm/arch/memory.h
      [ARM] 4521/2: S3C: Reorganise VA mapping headers
      [ARM] 4520/1: S3C: Remove old VA values from static map
      [ARM] 4519/1: S3C: split S3C2400 values out of S3C24XX map.h
      [ARM] 4518/1: S3C: Rename watchdog configuration options
      [ARM] 4517/1: S3C: Fix debug macros for ARM926 output
      [ARM] 4516/1: S3C: Fix uncompressor serial output for ARM926
      [ARM] 4515/1: S3C: Move uncompress code to plat-s3c
      [ARM] 4514/1: S3C: Rename DEBUG_S3C2410_PORT and DEBUG_S3C_UART
      [ARM] 4513/1: S3C: Rename CONFIG_S3C2410_LOWLEVEL_UART_PORT
      [ARM] 4512/1: S3C: rename the debug macros for per-cpu updates
      [ARM] 4511/1: S3C: updated LLSERIAL Kconfig defines for CPU support
      [ARM] 4510/1: S3C: split debug-macro support into plat-s3c
      [ARM] 4509/1: S3C: Create initial arch/arm/plat-s3c
      [ARM] 4508/1: S3C: Move items to include/asm-arm/plat-s3c
      [ARM] 4461/1: MXC platform and i.MX31ADS core support
      [ARM] 4507/1: pxa2xx clock_event_device
      [ARM] 4497/1: Only allow safe cache configurations on ARMv6 and later
      ...
  11. Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds

    Linus Torvalds authored
    * 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds:
      leds: Convert from struct class_device to struct device
      leds: leds-gpio for ngw100
      leds: Add warning printks in error paths
      leds: Fix trigger unregister_simple if register_simple fails
      leds: Use menuconfig objects II - LED
      leds: Teach leds-gpio to handle timer-unsafe GPIOs
      leds: Add generic GPIO LED driver
  12. Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight

    Linus Torvalds authored
    * 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight:
      leds: cr_bllcd.c: build fix
      backlight: Convert from struct class_device to struct device
      backlight: Fix order of Kconfig entries
  13. Merge branch 'audit.b39' of git://git.kernel.org/pub/scm/linux/kernel…

    Linus Torvalds authored
    …/git/viro/audit-current
    
    * 'audit.b39' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
      [PATCH] get rid of AVC_PATH postponed treatment
      [PATCH] allow audit filtering on bit & operations
      [PATCH] audit: fix broken class-based syscall audit
      [PATCH] Make IPC mode consistent
  14. Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git…

    Linus Torvalds authored
    …/paulus/powerpc
    
    * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
      [POWERPC] Clean up duplicate includes in drivers/macintosh/
      [POWERPC] Quiet section mismatch warning on pcibios_setup
      [POWERPC] init and exit markings for hvc_iseries
      [POWERPC] Quiet section mismatch in hvc_rtas.c
      [POWERPC] Constify of_platform_driver match_table
      [POWERPC] hvcs: Make some things static and const
      [POWERPC] Constify of_platform_driver name
      [POWERPC] MPIC protected sources
      [POWERPC] of_detach_node()'s device node argument cannot be const
      [POWERPC] Fix ARCH=ppc builds
      [POWERPC] mv64x60: Use mutex instead of semaphore
      [POWERPC] Allow smp_call_function_single() to current cpu
      [POWERPC] Allow exec faults on readable areas on classic 32-bit PowerPC
      [POWERPC] Fix future firmware feature fixups function failure
      [POWERPC] fix showing xmon help
      [POWERPC] Make xmon_write accept a const buffer
      [POWERPC] Fix misspelled "CONFIG_CHECK_CACHE_COHERENCY" Kconfig option.
      [POWERPC] cell: CONFIG_SPE_BASE is a typo
  15. x86_64: Fix xen section warnings

    Andi Kleen authored Linus Torvalds committed
    Fix
    
    WARNING: vmlinux.o(.data+0x99): Section mismatch: reference to .init.text:xen_start_kernel (between 'startup_xen' and 'boot_gdt_descr')
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  16. x86_64: Fix paravirt compilation

    Andi Kleen authored Linus Torvalds committed
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  17. fix broken handling of port=... in NFS option parsing

    Al Viro authored Linus Torvalds committed
    Obviously broken on little-endian; fortunately, the option is not
    frequently used...
    
    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
    [ Hey, sparse is wonderful, but even better than sparse is having people
      like Al that actually _run_ it and fix bugs using it.    - Linus ]
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  18. KVM: Require CONFIG_ANON_INODES

    Avi Kivity authored Linus Torvalds committed
    Found by Sebastian Siewior and randconfig.
    
    Signed-off-by: Avi Kivity <avi@qumranet.com>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  19. Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/g…

    Linus Torvalds authored
    …it/lenb/linux-acpi-2.6
    
    * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (77 commits)
      ACPI: Populate /sys/firmware/acpi/tables/
      ACPI: create CONFIG_ACPI_DEBUG_FUNC_TRACE
      ACPI: update ACPI proc I/F removal schedule
      ACPI: update feature-removal-schedule.txt, /sys/firmware/acpi/namespace is gone
      ACPI: export ACPI events via acpi_mc_group multicast group
      ACPI: fix empty macros found by -Wextra
      ACPI: drivers/acpi/pci_link.c: lower printk severity
      sony-laptop: Fix event reading in sony-laptop
      sony-laptop: Add Vaio FE to the special init sequence
      sony-laptop: Make the driver use MSC_SCAN and a setkeycode and getkeycode key table.
      sony-laptop: Invoke _INI for SNC devices that provide it
      sony-laptop: Add support for recent Vaios Fn keys (C series for now)
      sony-laptop: map wireless switch events to KEY_WLAN
      sony-laptop: add new SNC handlers
      ACPI: thinkpad-acpi: add locking to brightness subdriver
      ACPI: thinkpad-acpi: bump up version to 0.15
      ACPI: thinkpad-acpi: make EC-based thermal readings non-experimental
      ACPI: thinkpad-acpi: make sure DSDT TMPx readings don't return +128
      ACPI: thinkpad-acpi: react to Lenovo ThinkPad differences in hot key
      ACPI: thinkpad-acpi: allow use of CMOS NVRAM for brightness control
      ...
  20. x86_64: Share msidef.h and hypertransport.h includes with i386

    Andi Kleen authored Linus Torvalds committed
    They are identical
    
    Indirectly pointed out by Thomas Gleixner
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  21. x86_64: Remove outdated comment in boot decompressor Makefile

    Andi Kleen authored Linus Torvalds committed
    64bit code in there now since some time.
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  22. x86_64: Squash initial_code modpost warnings

    Andi Kleen authored Linus Torvalds committed
    Get rid of warnings like
    
    WARNING: vmlinux.o(.bootstrap.text+0x1a8): Section mismatch: reference to .init.text:x86_64_start_kernel (between 'initial_code' and 'init_rsp')
    
    - Move initialization code into .text.head like i386 because modpost knows about this already
    - Mark initial_code .initdata
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  23. x86_64: fix section mismatch warning in init.c

    Sam Ravnborg authored Linus Torvalds committed
    Fix following warning:
    WARNING: vmlinux.o(.text+0x188ea): Section mismatch: reference to .init.text:__alloc_bootmem_core (between 'alloc_bootmem_high_node' and 'get_gate_vma')
    
    alloc_bootmem_high_node() is only used from __init scope so declare it __init.
    And in addition declare the weak variant __init too.
    
    Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  24. x86_64: fix section mismatch warning in hpet.c

    Sam Ravnborg authored Linus Torvalds committed
    Fix following warnings:
    WARNING: vmlinux.o(.text+0x945e): Section mismatch: reference to .init.text:__set_fixmap (between 'hpet_arch_init' and 'hpet_mask_rtc_irq_bit')
    WARNING: vmlinux.o(.text+0x9474): Section mismatch: reference to .init.text:__set_fixmap (between 'hpet_arch_init' and 'hpet_mask_rtc_irq_bit')
    
    hpet_arch_init is only used from __init context so mark it __init.
    
    Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  25. @dotdash

    i386: Fix the K7 NMI watchdog checkbit

    dotdash authored Linus Torvalds committed
    The performance counters on K7 are only 48 bits wide, so using bit 63 to
    check if the counter overflowed is wrong. Let's use bit 47 instead.
    
    Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>
    Cc: Don Zickus <dzickus@redhat.com>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  26. i386: Use patchable lock prefix in set_64bit

    Andi Kleen authored Linus Torvalds committed
    Previously lock was unconditionally used, but shouldn't be needed on
    UP systems.
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  27. i386: Handle P6s without performance counters in nmi watchdog

    Andi Kleen authored Linus Torvalds committed
    I got an oops while booting a 32bit kernel on KVM because it doesn't
    implement performance counters used by the NMI watchdog. Handle this
    case.
    
    Cc: Avi Kivity <avi@qumranet.com>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  28. x86: Replace NSC/Cyrix specific chipset access macros by inlined func…

    Juergen Beisert authored Linus Torvalds committed
    …tions.
    
    Due to index register access ordering problems, when using macros a line
    like this fails (and does nothing):
    
    	setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88);
    
    With inlined functions this line will work as expected.
    
    Note about a side effect: Seems on Geode GX1 based systems the
    "suspend on halt power saving feature" was never enabled due to this
    wrong macro expansion. With inlined functions it will be enabled, but
    this will stop the TSC when the CPU runs into a HLT instruction.
    Kernel output something like this:
    	Clocksource tsc unstable (delta = -472746897 ns)
    
    This is the 3rd version of this patch.
    
     - Adding missed arch/i386/kernel/cpu/mtrr/state.c
    	Thanks to Andres Salomon
     - Adding some big fat comments into the new header file
     	Suggested by Andi Kleen
    
    AK: fixed x86-64 compilation
    
    Signed-off-by: Juergen Beisert <juergen@kreuzholzen.de>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  29. x86_64: x86_64 - Use non locked version for local_cmpxchg()

    Mathieu Desnoyers authored Linus Torvalds committed
    local_cmpxchg() should not use any LOCK prefix.  This change probably
    got lost in the move to cmpxchg.h.
    
    Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
    Acked-by: Christoph Lameter <clameter@sgi.com>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  30. i386: Do not include other cpus' interrupt 0 in nmi_watchdog

    Keith Owens authored Linus Torvalds committed
    kstat_irqs(0) includes the count of interrupt 0 from all cpus, not just
    the current cpu.  The updated interrupt 0 on other cpus can stop the
    nmi_watchdog from tripping, so only include the current cpu's int 0.
    
    Signed-off-by: Keith Owens <kaos@ocs.com.au>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  31. i386: Tune AMD Fam10h/11h like K8

    Andi Kleen authored Linus Torvalds committed
    This mainly changes the nops for alternative, so not very revolutionary.
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  32. x86_64: Set K8 CPUID flag for K8/Fam10h/Fam11h

    Andi Kleen authored Linus Torvalds committed
    Previously this flag was only used on 32bit, but some shared code can use
    it now.
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  33. i386: Fix cpu_llc_id section mismatch warning

    Andi Kleen authored Linus Torvalds committed
    Fix
    
    WARNING: arch/i386/kernel/built-in.o(.text+0xdd0d): Section mismatch: reference to .init.data:cpu_llc_id (between 'set_cpu_sibling_map' and 'initialize_secondary')
    WARNING: arch/i386/kernel/built-in.o(.text+0xdd1b): Section mismatch: reference to .init.data:cpu_llc_id (between 'set_cpu_sibling_map' and 'initialize_secondary')
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  34. x86: Stop MCEs and NMIs during code patching

    Andi Kleen authored Linus Torvalds committed
    When a machine check or NMI occurs while multiple byte code is patched
    the CPU could theoretically see an inconsistent instruction and crash.
    Prevent this by temporarily disabling MCEs and returning early in the
    NMI handler.
    
    Based on discussion with Mathieu Desnoyers.
    
    Cc: Mathieu Desnoyers <compudj@krystal.dyndns.org>
    Cc: Jeremy Fitzhardinge <jeremy@goop.org>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  35. x86: Fix alternatives and kprobes to remap write-protected kernel text

    Andi Kleen authored Linus Torvalds committed
    Reenable kprobes and alternative patching when the kernel text is write
    protected by DEBUG_RODATA
    
    Add a general utility function to change write protected text.  The new
    function remaps the code using vmap to write it and takes care of CPU
    synchronization.  It also does CLFLUSH to make icache recovery faster.
    
    There are some limitations on when the function can be used, see the
    comment.
    
    This is a newer version that also changes the paravirt_ops code.
    text_poke also supports multi byte patching now.
    
    Contains bug fixes from Zach Amsden and suggestions from Mathieu
    Desnoyers.
    
    Cc: Jan Beulich <jbeulich@novell.com>
    Cc: Jeremy Fitzhardinge <jeremy@goop.org>
    Cc: Mathieu Desnoyers <compudj@krystal.dyndns.org>
    Cc: Zach Amsden <zach@vmware.com>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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