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tag: v2.6.18-rc3

Jul 30, 2006

  1. Linux v2.6.18-rc3

    authored July 29, 2006
  2. Merge master.kernel.org:/home/rmk/linux-2.6-arm

    * master.kernel.org:/home/rmk/linux-2.6-arm:
      [ARM] 3734/1: Fix the unused variable warning in __iounmap()
      [ARM] 3737/1: Export ARM copy/clear_user_page symbols
      [ARM] 3736/1: xscale: don't mis-report 80219 as an iop32x
      [ARM] 3733/2: S3C24XX: Remove old IDE registers in Anubis
      [ARM] 3732/1: S3C24XX: tidy syntax in osiris and anubis machines
      [ARM] Fix SMP booting
      [ARM] 3731/1: Allow IRQ definitions of IQ80331 and IQ80332 to co-exist
      [ARM] 3730/1: ep93xx: enable usb ohci driver in the defconfig
      [ARM] Fix cats build
    authored July 29, 2006
  3. [PATCH] MM: Remove rogue readahead printk

    For some reason it triggers always with NFS root and spams the kernel
    logs of my nfs root boxes a lot.
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 29, 2006
  4. [PATCH] i386: Fix up backtrace fallback patch

    I didn't test all compilation combinations. Shame on me.
    And fix a missing option in the boot option following x86-64 (Jan Beulich)
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 29, 2006
  5. [PATCH] x86_64: Fix swiotlb=force

    It was broken before. But having it is important as possible hardware
    bug workaround.
    
    And previously there was no way to force swiotlb if there is another IOMMU.
    Side effect is that iommu=force won't force swiotlb anymore even if there
    isn't another IOMMU.
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 29, 2006
  6. [PATCH] x86_64: Revert k8-bus.c northbridge access change

    As Travis Betak points out it accesses the wrong northbridge subfunction
    now. Switch back to the old code.
    
    Cc: "Travis Betak" <betak@mpdtxmail.amd.com>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 29, 2006
  7. [PATCH] x86_64: Calgary IOMMU - Multi-Node NULL pointer dereference fix

    Calgary hits a NULL pointer dereference when booting in a multi-chassis
    NUMA system.  See Redhat bugzilla number 198498, found by Konrad
    Rzeszutek (konradr@redhat.com).
    
    There are many issues that had to be resolved to fix this problem.
    Firstly when I originally wrote the code to handle NUMA systems, I
    had a large misunderstanding that was not corrected until now.  That was
    that I thought the "number of nodes online" referred to number of
    physical systems connected.  So that if NUMA was disabled, there
    would only be 1 node and it would only show that node's PCI bus.
    In reality if NUMA is disabled, the system displays all of the
    connected chassis as one node but is only ignorant of the delays
    in accessing main memory.  Therefore, references to num_online_nodes()
    and MAX_NUMNODES are incorrect and need to be set to the maximum
    number of nodes that can be accessed (which are 8).  I created a
    variable, MAX_NUM_CHASSIS, and set it to 8 to fix this.
    
    Secondly, when walking the PCI in detect_calgary, the code only
    checked the first "slot" when looking to see if a device is present.
    This will work for most cases, but unfortunately it isn't always the
    case.  In the NUMA MXE drawers, there are USB devices present on the
    3rd slot (with slot 1 being empty).  So, to work around this, all
    slots (up to 8) are scanned to see if there are any devices present.
    
    Lastly, the bus is being enumerated on large systems in a different
    way the we originally thought.  This throws the ugly logic we had
    out the window.  To more elegantly handle this, I reorganized the
    kva array to be sparse (which removed the need to have any bus number
    to kva slot logic in tce.c) and created a secondary space array to
    contain the bus number to phb mapping.
    
    With these changes Calgary boots on an x460 with 4 nodes with and
    without NUMA enabled.
    
    Signed-off-by: Jon Mason <jdmason@us.ibm.com>
    Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 29, 2006
  8. [PATCH] x86_64: Calgary IOMMU - fix off by one error

    Fixed off-by-one error in detect_calgary and calgary_init which will
    cause arrays to overflow.  Also, removed impossible to hit BUG_ON.
    
    Signed-off-by: Jon Mason <jdmason@us.ibm.com>
    Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 29, 2006
  9. [PATCH] x86_64: On Intel systems when CPU has C3 don't use TSC

    On Intel systems generally the TSC stops in C3 or deeper,
    so don't use it there. Follows similar logic on i386.
    
    This should fix problems on Meroms.
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 29, 2006
  10. [PATCH] x86_64: Update defconfig

    Update defconfig
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 29, 2006

Jul 29, 2006

  1. [ARM] 3734/1: Fix the unused variable warning in __iounmap()

    Patch from Catalin Marinas
    
    This patch adds #ifdef around some variables in the arch/arm/mm/ioremap.c
    file.
    
    Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
    Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
    authored July 29, 2006 Russell King committed July 29, 2006
  2. [ARM] 3737/1: Export ARM copy/clear_user_page symbols

    Patch from George G. Davis
    
    As reported by various folks on the ARM Linux kernel mailing list,
    the video-buf.ko driver has undefined references on all ARM machines
    which use it as observed during `make modules`:
    
    Warning: "v4wb_clear_user_page" [drivers/media/video/video-buf.ko] undefined!
    
    Similar warnings exist for all ARM machines which use this driver.
    So this change adds the missing EXPORT_SYMBOLs to allow using this
    driver as a module.
    
    Signed-off-by: George G. Davis <gdavis@mvista.com>
    Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
    authored July 29, 2006 Russell King committed July 29, 2006
  3. Lennert Buytenhek

    [ARM] 3736/1: xscale: don't mis-report 80219 as an iop32x

    Patch from Lennert Buytenhek
    
    The IOP 80219 xscale CPU is a stripped down version of the IOP32x.
    But the fact that the 80219 and IOP32x are very similar doesn't mean
    that they need to share a cpu table entry.  It's also somewhat confusing
    for the end user to see the 80219 reported as an IOP32x, so this patch
    splits the IOP32x cpu table entry to make a separate entry for the
    80219.
    
    Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
    Signed-off-by: Dan Williams <dan.j.williams@intel.com>
    Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
    authored July 29, 2006 Russell King committed July 29, 2006
  4. Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/ker…

    …nel/git/jgarzik/libata-dev
    
    * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
      [libata] sata_promise: comment out duplicate PCI ID
      [PATCH] libata: improve EH action and EHI flag handling
      [PATCH] libata: fix eh_skip_recovery condition
      [PATCH] libata: fix autopsy ehc->i.action and ehc->i.dev handling
    authored July 28, 2006
  5. Merge branch 'master' into upstream-fixes

    authored July 29, 2006
  6. Merge branch 'upstream' of git://electric-eye.fr.zoreil.com/home/romi…

    …eu/linux-2.6 into upstream-fixes
    authored July 29, 2006
  7. [PATCH] skge: chip clock rate typo

    Okay, Fix both typo's in one patch .The impact is that the incorrect value
    was being computed for blinking LED and interrupt moderation values.
    
    Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
    Signed-off-by: Jeff Garzik <jeff@garzik.org>
    authored July 19, 2006 Jeff Garzik committed July 29, 2006
  8. [PATCH] myri10ge - Always do a dummy RDMA after loading the firmware

    Always do a dummy RDMA after loading the firmware to work around
    buggy PCIe chipsets which do not implement resending properly.
    This is so cheap as to be almost free, and should never have been
    conditional on the tx boundary != 4096.
    
    Signed-off-by: Brice Goglin <brice@myri.com>
    Signed-off-by: Jeff Garzik <jeff@garzik.org>
    authored July 21, 2006 Jeff Garzik committed July 29, 2006
  9. Merge branch 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/k…

    …ernel/git/linville/wireless-2.6 into upstream-fixes
    authored July 29, 2006
  10. [PATCH] pi-futex: robust-futex exit

    Fix robust PI-futexes to be properly unlocked on unexpected exit.
    
    For this to work the kernel has to know whether a futex is a PI or a
    non-PI one, because the semantics are different.  Since the space in
    relevant glibc data structures is extremely scarce, the best solution is
    to encode the 'PI' information in bit 0 of the robust list pointer.
    Existing (non-PI) glibc robust futexes have this bit always zero, so the
    ABI is kept.  New glibc with PI-robust-futexes will set this bit.
    
    Further fixes from Thomas Gleixner <tglx@linutronix.de>
    
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    Signed-off-by: Ulrich Drepper <drepper@redhat.com>
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 28, 2006
  11. [PATCH] pi-futex: robust-futex exit crash fix

    Fix pi_state->list handling bugs: list handling mishap, locking error.
    Plus add more debug checks and fix a few style issues i noticed while
    debugging this.
    
    (reported by Ulrich Drepper and Jakub Jelinek.)
    
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 29, 2006 Linus Torvalds committed July 28, 2006
  12. [PATCH] i386: Do backtrace fallback too

    Similar patch to earlier x86-64 patch. When the dwarf2 unwinder fails
    dump the left over stack with the old unwinder.
    
    Also some clarifications in the headers.
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 28, 2006 Linus Torvalds committed July 28, 2006
  13. [PATCH] x86_64: Document backtracer selection options

    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 28, 2006 Linus Torvalds committed July 28, 2006
  14. [PATCH] x86_64: Dump leftover backtrace entries when dwarf2 unwinder …

    …got stuck
    
    The dwarf2 unwinder currently often gets stuck because a lot
    of assembly code doesn't have proper dwarf2 annotiation yet.
    
    This currently often happens with __down. Should fix this by
    adding proper dwarf2 annotation to all inline assembly. However
    until that's done we need a quick fix for 2.6.18 to avoid
    incomplete backtraces.
    
    So when this happens dump the rest of the stack with the old unwinder
    instead of silently not dumping it. There was already a optional
    "both" mode that dumped both, but that was too ugly.
    
    I also clarified the headers for the different backtraces a bit.
    
    Also add a clear error message for missing dwarf2
    annotation that people can work on.
    
    And I removed a dead variable left over from Ingo's changes.
    
    Cc: mingo@elte.hu
    Cc: jbeulich@novell.com
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 28, 2006 Linus Torvalds committed July 28, 2006
  15. [PATCH] x86_64: Enlarge debug stack for nested kprobes

    In x86_64 platform, INT1 and INT3 trap stack is IST stack called DEBUG_STACK,
    when INT1/INT3 trap happens, system will switch to DEBUG_STACK by hardware.
    Current DEBUG_STACK size is 4K, when int1/int3 trap happens, kernel will
    minus current DEBUG_STACK IST value by 4k. But if int3/int1 trap is nested,
    it will destroy other vector's IST stack. This patch modifies this, it sets
    DEBUG_STACK size as 8K and allows two level of nested int1/int3 trap.
    
    Kprobe DEBUG_STACK may be nested, because kprobe handler may be probed
    by other kprobes.
    
    Thanks jbeulich for pointing out error in the first patch.
    
    [AK: nested kprobes are pretty dubious. Hopefully one nest
    will be enough. This will cost 8K per CPU (4K more than before)]
    
    Signed-off-by: bibo, mao <bibo.mao@intel.com>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 28, 2006 Linus Torvalds committed July 28, 2006
  16. [PATCH] x86_64: Don't clobber r8-r11 in int 0x80 handler

    When int 0x80 is called from long mode r8-r11 would leak out of the
    kernel (or rather they would be filled with some values from
    the kernel stack). I don't think it's a security issue because
    the values come from the fixed stack frame which should be near
    always user registers from a previous interrupt.
    
    Still better fix it.
    
    Longer term the register save macros need to be cleaned up
    to avoid such mistakes in the future.
    
    Original analysis from Richard Brunner, fix by me.
    
    Cc: Richard.Brunner@amd.com
    
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 28, 2006 Linus Torvalds committed July 28, 2006
  17. [PATCH] i386/x86-64: Add user_mode checks to profile_pc for oprofile

    Fixes a obscure user space triggerable crash during oprofiling.
    
    Oprofile calls profile_pc from NMIs even when user_mode(regs) is not true and
    the program counter is inside the kernel lock section. This opens
    a race - when a user program jumps to a kernel lock address and
    a NMI happens before the illegal page fault exception is raised
    and the program has a unmapped esp or ebp then the kernel could
    oops. NMIs have a higher priority than exceptions so that could
    happen.
    
    Add user_mode checks to i386/x86-64 profile_pc to prevent that.
    
    Cc: John Levon <levon@movementarian.org>
    Signed-off-by: Andi Kleen <ak@suse.de>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 28, 2006 Linus Torvalds committed July 28, 2006
  18. Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linu…

    …x-2.6
    
    * 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
      [S390] update default configuration
      [S390] duplicate ccw devices in ccwgroup.
      [S390] permanent subchannel busy conditions may cause I/O stall
    authored July 28, 2006
  19. Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

    * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
      [SUNLANCE]: fix compilation on sparc-UP
      [SPARC]: Defer clock_probe to fs_initcall()
      [SPARC64]: Fix typo in pgprot_noncached().
      [SPARC64]: Fix quad-float multiply emulation.
    authored July 28, 2006
  20. Merge git://oss.sgi.com:8090/nathans/xfs-rc-2.6

    * git://oss.sgi.com:8090/nathans/xfs-rc-2.6:
      [XFS] Ensure bulkstat from an invalid inode number gets caught always with
      [XFS] Fix a barrier related forced shutdown on mounts with quota enabled.
      [XFS] Fix remount vs no/barrier options by ensuring we clear unwanted
      [XFS] All xfs_disk_dquot_t values are (as the name says) disk endian.
    authored July 28, 2006
  21. Merge branch 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-…

    …block
    
    * 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-block:
      [PATCH] scsi: kill overeager "not-ready" messages
      [PATCH] it821x: fix ide dma setup bug
      [PATCH] ide: if the id fields looks screwy, disable DMA
      [PATCH] ide: option to disable cache flushes for buggy drives
    authored July 28, 2006
  22. [PATCH] i386: switch_to(): misplaced parentheses

    Recent changes in i386 __switch_to() have a misplaced closing
    parenthesis causing an unlikely() to terminate early.
    
    Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
    Acked-by: Steven Rostedt <rostedt@goodmis.org>
    Signed-off-by: Linus Torvalds <torvalds@osdl.org>
    authored July 25, 2006 Linus Torvalds committed July 28, 2006

Jul 28, 2006

  1. [SUNLANCE]: fix compilation on sparc-UP

    Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    authored July 28, 2006 davem330 committed July 28, 2006
  2. [XFS] Ensure bulkstat from an invalid inode number gets caught always…

    … with
    
    EINVAL.
    
    SGI-PV: 953819
    SGI-Modid: xfs-linux-melb:xfs-kern:26629a
    
    Signed-off-by: Nathan Scott <nathans@sgi.com>
    authored July 28, 2006
  3. [XFS] Fix a barrier related forced shutdown on mounts with quota enab…

    …led.
    
    SGI-PV: 912426
    SGI-Modid: xfs-linux-melb:xfs-kern:26622a
    
    Signed-off-by: Nathan Scott <nathans@sgi.com>
    authored July 28, 2006
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