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| author | Mark Zhang <markzhang@nvidia.com> | 2023-01-04 11:43:34 +0200 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-01-15 12:23:10 +0200 |
| commit | 312b8f79eb05479628ee71357749815b2eeeeea8 (patch) | |
| tree | 5aa94795a7badd6a549a0bfb0cd07c4f68865179 /drivers/net/ethernet/mellanox/mlx4 | |
| parent | 1ca49d26afc2609542be4a57e336191b525ca698 (diff) | |
| download | linux-stable-312b8f79eb05479628ee71357749815b2eeeeea8.tar.gz linux-stable-312b8f79eb05479628ee71357749815b2eeeeea8.tar.bz2 linux-stable-312b8f79eb05479628ee71357749815b2eeeeea8.zip | |
RDMA/mlx: Calling qp event handler in workqueue context
Move the call of qp event handler from atomic to workqueue context,
so that the handler is able to block. This is needed by following
patches.
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Link: https://lore.kernel.org/r/0cd17b8331e445f03942f4bb28d447f24ac5669d.1672821186.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/qp.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 48cfaa7eaf50..913ed255990f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -46,6 +46,13 @@ #define MLX4_BF_QP_SKIP_MASK 0xc0 #define MLX4_MAX_BF_QP_RANGE 0x40 +void mlx4_put_qp(struct mlx4_qp *qp) +{ + if (refcount_dec_and_test(&qp->refcount)) + complete(&qp->free); +} +EXPORT_SYMBOL_GPL(mlx4_put_qp); + void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type) { struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table; @@ -64,10 +71,8 @@ void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type) return; } + /* Need to call mlx4_put_qp() in event handler */ qp->event(qp, event_type); - - if (refcount_dec_and_test(&qp->refcount)) - complete(&qp->free); } /* used for INIT/CLOSE port logic */ @@ -523,8 +528,7 @@ EXPORT_SYMBOL_GPL(mlx4_qp_remove); void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp) { - if (refcount_dec_and_test(&qp->refcount)) - complete(&qp->free); + mlx4_put_qp(qp); wait_for_completion(&qp->free); mlx4_qp_free_icm(dev, qp->qpn); |