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RDMA/rds: Remove FMR support for memory registration

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Use FRWR method for memory registration by default and remove the ancient
and unsafe FMR method.

Link: https://lore.kernel.org/r/3-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Max Gurtovoy
2020-05-28 16:45:45 -03:00
committed by Jason Gunthorpe
parent f273ad4f8d
commit 07549ee21c
8 changed files with 21 additions and 322 deletions
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4
net/rds/ib_cm.c
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@@ -527,10 +527,10 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
return -EOPNOTSUPP;
/* The fr_queue_space is currently set to 512, to add extra space on
* completion queue and send queue. This extra space is used for FRMR
* completion queue and send queue. This extra space is used for FRWR
* registration and invalidation work requests
*/
fr_queue_space = (rds_ibdev->use_fastreg ? RDS_IB_DEFAULT_FR_WR : 0);
fr_queue_space = RDS_IB_DEFAULT_FR_WR;
/* add the conn now so that connection establishment has the dev */
rds_ib_add_conn(rds_ibdev, conn);