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IB/mlx4: Unregister IB device prior to CLOSE PORT command

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According to the ConnectX programmer's reference manual, all
operations should be stopped, all QPs should be torn down and all WQEs
flushed before the CLOSE_PORT command is invoked.  In some cases
reversing the order of operations (as implemented now) could cause
a loss of completions.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Yevgeny Petrilin 2009-03-18 19:49:54 -07:00 committed by Roland Dreier
parent 27bf91d6a0
commit a6a47771b1
1 changed files with 3 additions and 2 deletions
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5
drivers/infiniband/hw/mlx4/main.c
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@ -699,11 +699,12 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
struct mlx4_ib_dev *ibdev = ibdev_ptr;
int p;
mlx4_ib_mad_cleanup(ibdev);
ib_unregister_device(&ibdev->ib_dev);
for (p = 1; p <= ibdev->num_ports; ++p)
mlx4_CLOSE_PORT(dev, p);
mlx4_ib_mad_cleanup(ibdev);
ib_unregister_device(&ibdev->ib_dev);
iounmap(ibdev->uar_map);
mlx4_uar_free(dev, &ibdev->priv_uar);
mlx4_pd_free(dev, ibdev->priv_pdn);