diff options
| author |   Leon Romanovsky <leonro@mellanox.com> | 2020-07-30 11:27:18 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2020-07-30 11:03:33 -0300 |
| commit | 5d46b289d04b98eb992b2f8b67745cc0953e16b1 (patch) | |
| tree | 2f79c730b0a88de45761c391723027dbc78d95ca /drivers/infiniband/core | |
| parent | RDMA/mlx5: Initialize QP mutex for the debug kernels (diff) | |
| download | linux-dev-5d46b289d04b98eb992b2f8b67745cc0953e16b1.tar.xz linux-dev-5d46b289d04b98eb992b2f8b67745cc0953e16b1.zip | |
RDMA/core: Stop DIM before destroying CQ
HW destroy operation should be last operation after all possible CQ users
completed their work, so move DIM work cancellation before such destroy
call.
Fixes: da6629793aa6 ("RDMA/core: Provide RDMA DIM support for ULPs")
Link: https://lore.kernel.org/r/20200730082719.1582397-3-leon@kernel.org
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/core')
| -rw-r--r-- | drivers/infiniband/core/cq.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c index 655795bfa0ee..33759b39c3d3 100644 --- a/drivers/infiniband/core/cq.c +++ b/drivers/infiniband/core/cq.c @@ -72,6 +72,15 @@ static void rdma_dim_init(struct ib_cq *cq) INIT_WORK(&dim->work, ib_cq_rdma_dim_work); } +static void rdma_dim_destroy(struct ib_cq *cq) +{ + if (!cq->dim) + return; + + cancel_work_sync(&cq->dim->work); + kfree(cq->dim); +} + static int __poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc) { int rc; @@ -331,12 +340,10 @@ void ib_free_cq_user(struct ib_cq *cq, struct ib_udata *udata) WARN_ON_ONCE(1); } + rdma_dim_destroy(cq); trace_cq_free(cq); rdma_restrack_del(&cq->res); cq->device->ops.destroy_cq(cq, udata); - if (cq->dim) - cancel_work_sync(&cq->dim->work); - kfree(cq->dim); kfree(cq->wc); kfree(cq); } |