| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.18 127/150] net/mlx5: Take only bit 24-26 of wqe.pftype_wq for page fault type | Date | Fri, 2 Nov 2018 19:34:49 +0100 |
| |
4.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Huy Nguyen <huyn@mellanox.com>
[ Upstream commit a48bc513159d4767f9988f0d857b2b0c38a4d614 ]
The HW spec defines only bits 24-26 of pftype_wq as the page fault type, use the required mask to ensure that.
Fixes: d9aaed838765 ("{net,IB}/mlx5: Refactor page fault handling") Signed-off-by: Huy Nguyen <huyn@mellanox.com> Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/ethernet/mellanox/mlx5/core/eq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -269,7 +269,7 @@ static void eq_pf_process(struct mlx5_eq case MLX5_PFAULT_SUBTYPE_WQE: /* WQE based event */ pfault->type = - be32_to_cpu(pf_eqe->wqe.pftype_wq) >> 24; + (be32_to_cpu(pf_eqe->wqe.pftype_wq) >> 24) & 0x7; pfault->token = be32_to_cpu(pf_eqe->wqe.token); pfault->wqe.wq_num =
|