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authorLeon Romanovsky <leonro@nvidia.com>2023-06-05 11:09:52 +0300
committerSaeed Mahameed <saeedm@nvidia.com>2023-06-16 12:59:20 -0700
commita128f9d4c1227dfcf7f2328070760cb7ed1ec08d (patch)
tree92945ca2342a2aacf5e98b56bea8725b3514f749
parentc75b94255aaa45d9e531df2763baa67020bb6fa9 (diff)
downloadps3-linux-a128f9d4c1227dfcf7f2328070760cb7ed1ec08d.tar.gz
net/mlx5e: Fix scheduling of IPsec ASO query while in atomic
ASO query can be scheduled in atomic context as such it can't use usleep. Use udelay as recommended in Documentation/timers/timers-howto.rst. Fixes: 76e463f6508b ("net/mlx5e: Overcome slow response for first IPsec ASO WQE") Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
index ca16cb9807ea52..a3554bde3e0758 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
@@ -606,7 +606,8 @@ int mlx5e_ipsec_aso_query(struct mlx5e_ipsec_sa_entry *sa_entry,
do {
ret = mlx5_aso_poll_cq(aso->aso, false);
if (ret)
- usleep_range(2, 10);
+ /* We are in atomic context */
+ udelay(10);
} while (ret && time_is_after_jiffies(expires));
spin_unlock_bh(&aso->lock);
return ret;