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Commit bc478700 authored by Huy Nguyen's avatar Huy Nguyen Committed by Greg Kroah-Hartman
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net/mlx5: Take only bit 24-26 of wqe.pftype_wq for page fault type 



[ 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: d9aaed83 ("{net,IB}/mlx5: Refactor page fault handling")
Signed-off-by: default avatarHuy Nguyen <huyn@mellanox.com>
Signed-off-by: default avatarEli Cohen <eli@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1d50b74a

drivers/net/ethernet/mellanox/mlx5/core/eq.c

+1 −1
Original line number Diff line number Diff line
@@ -262,7 +262,7 @@ static void eq_pf_process(struct mlx5_eq *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 =