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IB/mlx4: Annotate CQ locking
authorRoland Dreier <rolandd@cisco.com>
Sun, 6 Sep 2009 03:24:49 +0000 (20:24 -0700)
committerRoland Dreier <rolandd@cisco.com>
Sun, 6 Sep 2009 03:24:49 +0000 (20:24 -0700)
commit338a8fad27908f64a0d249cc9f5c7d4ddb7e5684
tree5033fb5dbf31c967af592a41da04065ed2493dddtree | snapshot
parentff149b2a168296c74763cb4a6e7054bdb0a426a1commit | diff
IB/mlx4: Annotate CQ locking

mlx4_ib_lock_cqs()/mlx4_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/mlx4/qp.c diff | blob | history
Domain: System / Kernel;