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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Martin KaFai Lau <kafai@fb.com>
Cc: Saeed Mahameed <saeedm@dev.mellanox.co.il>,
	Gal Pressman <galp@mellanox.com>,
	Linux Netdev List <netdev@vger.kernel.org>,
	Saeed Mahameed <saeedm@mellanox.com>,
	Kernel Team <kernel-team@fb.com>
Subject: Re: [PATCH net v2] net/mlx5e: Fix race in mlx5e_sw_stats and mlx5e_vport_stats
Date: Thu, 20 Apr 2017 08:00:41 -0700	[thread overview]
Message-ID: <1492700441.22296.41.camel@edumazet-glaptop3.roam.corp.google.com> (raw)
In-Reply-To: <20170420141526.maq6b6rgqfjcdyn6@kafai-mba.dhcp.thefacebook.com>

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.

  parent reply	other threads:[~2017-04-20 15:00 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-19 23:32 [PATCH net v2] net/mlx5e: Fix race in mlx5e_sw_stats and mlx5e_vport_stats Martin KaFai Lau
2017-04-20 14:00 ` Saeed Mahameed
2017-04-20 14:15   ` Martin KaFai Lau
2017-04-20 14:23     ` Saeed Mahameed
2017-04-20 15:00     ` Eric Dumazet [this message]
2017-04-20 16:50       ` Martin KaFai Lau

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