iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net/mlx5e: Fix scheduling of IPsec ASO query while in atomic

Browse Source 
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>
This commit is contained in:
Leon Romanovsky 2023-06-05 11:09:52 +03:00 committed by Saeed Mahameed
parent c75b94255a
commit a128f9d4c1
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
View File

@ -606,7 +606,8 @@ int mlx5e_ipsec_aso_query(struct mlx5e_ipsec_sa_entry *sa_entry,
do { do {
ret = mlx5_aso_poll_cq(aso->aso, false); ret = mlx5_aso_poll_cq(aso->aso, false);
if (ret) if (ret)
usleep_range(2, 10); /* We are in atomic context */
udelay(10);
} while (ret && time_is_after_jiffies(expires)); } while (ret && time_is_after_jiffies(expires));
spin_unlock_bh(&aso->lock); spin_unlock_bh(&aso->lock);
return ret; return ret;