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IB/mthca: Annotate CQ locking
authorRoland Dreier <rolandd@cisco.com>
Sun, 6 Sep 2009 03:36:15 +0000 (20:36 -0700)
committerRoland Dreier <rolandd@cisco.com>
Sun, 6 Sep 2009 03:36:15 +0000 (20:36 -0700)
commitffe063f32bacad7d5111ae9c2b3e31addb47ce39
treea89ced9ae4f10ee6440fb7c22c0b020e940c6ef2tree
parentdeecb5d6728fff5288b6f7241ee8225ba0d8c6d2commit | diff
IB/mthca: Annotate CQ locking

mthca_ib_lock_cqs()/mthca_ib_unlock_cqs() are helper functions that
lock/unlock both CQs attached to a QP in the proper order to avoid
AB-BA deadlocks.  Annotate this so sparse can understand what's going
on (and warn us if we misuse these functions).

Signed-off-by: Roland Dreier <rolandd@cisco.com>
drivers/infiniband/hw/mthca/mthca_qp.c diff | blob | history
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