[ewg] 1.5.4 pull request

[Mike Marciniszyn]

Vlad,

Please pull the following patches from
git.openfabrics.org/~mmarciniszyn/scm/linux-2.6.to_ofed.

Thanks!
Mike

commit 74a041bbed802c193007f9fa3e2c75ae0424e625
Author: Mike Marciniszyn <mike.marciniszyn at qlogic.com>
Date:   Wed Jul 27 15:05:29 2011 -0400

    IB/qib: Remove backport hunk from in the future

    Signed-off-by: Mike Marciniszyn <mike.marciniszyn at qlogic.com>

commit 08bb16a8da0890e6c6bb8e29f809b5d3c4fcaedc
Author: Mike Marciniszyn <mike.marciniszyn at qlogic.com>
Date:   Wed Jul 27 15:02:10 2011 -0400

    IB/qib: Remove backport hunk from in the future

    Signed-off-by: Mike Marciniszyn <mike.marciniszyn at qlogic.com>

commit e483e5e780f59b3cb9458d487f954424e59aac48
Author: Ram Vepa <ram.vepa at qlogic.com>
Date:   Wed Jul 27 14:13:01 2011 -0400

    IB/qib: Adjust to use cpumask_weight() and cpumask_first()

    The cpus_weight macro doesn't work correctly when the
    CONFIG_CPUMASK_OFFSTACK is chosen.

    The macro can walk run off the end of the valid bits in the
    mask because NR_CPUS is much larger than the actual number of bits.

    This patch adjusts the code to use the APIs that were added
    for kernels >= 2.6.30.  Backport adjustments will need to be
    made for older kernels.

    An equivalent patch was also submitted submitted externally by
    KOSAKI Motohiro <kosaki.motohiro at jp.fujitsu.com>.

    Signed-off-by: Mike Marciniszyn <mike.marciniszyn at qlogic.com>

commit f002850c98dbb0632188f551bcaae98bedc022a6
Author: Ram Vepa <ram.vepa at qlogic.com>
Date:   Wed Jul 27 13:59:38 2011 -0400

    IB/qib: add sysfs interface to read free contexts

    Indicate the number of free user contexts via the sysfs file
    /sys/class/infiniband/qib0/nfreectxts as required for PSM.

    Signed-off-by: Ram Vepa <ram.vepa at qlogic.com>
    Signed-off-by: Mike Marciniszyn <mike.marciniszyn at qlogic.com>

commit 8c9fabd5e1431143effc6cf861e4bc47f0fa0971
Author: Mitko Haralanov <mitko at qlogic.com>
Date:   Wed Jul 27 13:48:51 2011 -0400

    IB/qib: Update active link width

    Update the active link width on QLE7220 chips when
    link goes down if chip width does not match shadowed
    width.

    Signed-off-by: Mitko Haralanov <mitko at qlogic.com>
    Signed-off-by: Mike Marciniszyn <mike.marciniszyn at qlogic.com>


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