netdev - Re: [PATCH net v2] net/mlx5e: Fix race in mlx5e_sw_stats and mlx5e_vport

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Date:   Thu, 20 Apr 2017 08:00:41 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Martin KaFai Lau <kafai@...com>
Cc:     Saeed Mahameed <saeedm@....mellanox.co.il>,
        Gal Pressman <galp@...lanox.com>,
        Linux Netdev List <netdev@...r.kernel.org>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH net v2] net/mlx5e: Fix race in mlx5e_sw_stats and
 mlx5e_vport_stats

On Thu, 2017-04-20 at 07:15 -0700, Martin KaFai Lau wrote:

> A follow-up patch approach by Gal will be nice.

Note that I had a similar issue on mlx4.

Stats are cleared/reset at open time, but in an asynchronous way.

Using a bonding device ( and fix in
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=142c6594acbcc32391af9c15f8cd65c6c177698f ) worked around the problem.