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IB/mlx5: Make sure doorbell record is visible before doorbell
authorEli Cohen <eli@dev.mellanox.co.il>
Tue, 14 Jan 2014 15:45:16 +0000 (17:45 +0200)
committerRoland Dreier <roland@purestorage.com>
Thu, 23 Jan 2014 07:23:49 +0000 (23:23 -0800)
commitada388f7afad1e2e87acbfe30600fdaff9bd6327
tree6592209193d6c069cbbad291a9b7251360d7d031tree | snapshot
parent042b9adae899e1b497282d92205d3fef42d5ca8dcommit | diff
IB/mlx5: Make sure doorbell record is visible before doorbell

Put a wmb() to make sure the doorbell record is visible to the HCA before we
hit doorbell.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
drivers/infiniband/hw/mlx5/qp.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git