[git pull] Final InfiniBand updates for 2.6.13

[Roland Dreier <rolandd@cisco.com>]

Linus, please pull from

    rsync://rsync.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git for-linus

This will update the following files:

 core/ucm.c                |   88 +++++++++++++++++++++-------------------------
 core/uverbs.h             |    1 
 core/uverbs_main.c        |   14 ++++++-
 hw/mthca/mthca_cq.c       |    6 ++-
 hw/mthca/mthca_provider.c |    6 +--
 ulp/ipoib/ipoib_ib.c      |    6 +--
 6 files changed, 66 insertions(+), 55 deletions(-)

through the following changes:

commit 79d81907594e1ec4d5171653dde7cb9e9cb87de2
Author: Hal Rosenstock <halr@voltaire.com>
Date:   Wed Jul 27 20:38:56 2005 -0700

    [IB/ucm]: Clean up userspace CM
    
    Only print debug messages when debug_level is set.
    Eliminate NULL checks prior to calling kfree.
    
    Signed-off-by: Hal Rosenstock <halr@voltaire.com>
    Signed-off-by: Libor Michalek <libor@topspin.com>

commit 6d376756f2cf3478d5a4fdb8d18e958948366b9d
Author: Michael S. Tsirkin <mst@mellanox.co.il>
Date:   Wed Jul 27 14:42:45 2005 -0700

    [IB/mthca]: Use io_remap_pfn_range for PCI space
    
    Use io_remap_pfn_range to remap IO pages (remap_pfn_range is for memory).
    
    Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
    Signed-off-by: Roland Dreier <rolandd@cisco.com>

commit 2181858bb814b51de8ec25b3ddd37cd06c53b0c9
Author: Roland Dreier <roland@eddore.topspincom.com>
Date:   Wed Jul 27 14:41:32 2005 -0700

    [IB/ipoib]: Fix unsigned comparisons to handle wraparound
    
    Fix handling of tx_head/tx_tail comparisons to handle wraparound.
    
    Signed-off-by: Roland Dreier <rolandd@cisco.com>

commit abdf119b4dad015803819c3d046d20cfbd393e87
Author: Gleb Natapov <glebn@voltaire.com>
Date:   Wed Jul 27 14:40:00 2005 -0700

    [IB/uverbs]: Add O_ASYNC support
    
    Add support for O_ASYNC notifications on userspace verbs
    completion and asynchronous event file descriptors.
    
    Signed-off-by: Gleb Natapov <glebn@voltaire.com>
    Signed-off-by: Roland Dreier <rolandd@cisco.com>

commit 42b1806d5cfc93bf8c3d7fa6e9e79e4ec860c678
Author: Roland Dreier <roland@eddore.topspincom.com>
Date:   Wed Jul 27 14:38:49 2005 -0700

    [IB/mthca]: Fix error CQ entry handling on mem-free HCAs
    
    Fix handling of error CQ entries on mem-free HCAs: the doorbell count
    is never valid so we shouldn't look at it.  This fixes problems exposed
    by new HCA firmware.
    
    Signed-off-by: Roland Dreier <rolandd@cisco.com>
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