IB/mlx5: Fix long EEH recover time with NVMe offloads

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On NVMe offloads connection with many IO queues, EEH takes long time to
recover. The culprit is the synchronize_srcu in the destroy_mkey. The
solution is to use synchronize_srcu only for ODP mkey.

Fixes: b4cfe447d4 ("IB/mlx5: Implement on demand paging by adding support for MMU notifiers")
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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Huy Nguyen 2018-12-18 14:15:56 +02:00 • committed by Jason Gunthorpe

parent 842a9c837e

commit bb7e22a8ab

1 changed files with 16 additions and 3 deletions

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19

drivers/infiniband/hw/mlx5/mr.c

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