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From: Jakub Kicinski <kuba@kernel.org>
To: Mark Bloch <mbloch@nvidia.com>
Cc: Saeed Mahameed <saeed@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>,
	Saeed Mahameed <saeedm@nvidia.com>,
	netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
	Roi Dayan <roid@nvidia.com>, Maor Dickman <maord@nvidia.com>
Subject: Re: [net-next 01/15] net/mlx5: Lag, Let user configure multiport eswitch
Date: Tue, 14 Feb 2023 12:40:55 -0800	[thread overview]
Message-ID: <20230214124055.6e9df4dd@kernel.org> (raw)
In-Reply-To: <b4300690-f9a3-5de6-08f8-0b3430db7fd8@nvidia.com>

On Tue, 14 Feb 2023 09:31:10 +0200 Mark Bloch wrote:
> > Oh, the "legacy software where updating the logic isn't possible"
> > sounds concerning. Do we know what those cases are? Can we perhaps
> > constrain them to run on a specific version of HW (say starting with
> > CX8 the param will no longer be there and only the right behavior will
> > be supported upstream)?  
> 
> While I can encourage customers to update their software to deal with
> this new mode it's up to them. As you already know, it's hard to change
> customers infrastructure so quickly. These things take time. They plan
> on running multiple hardware generations on top of the same software.
> I'll keep pushing on making this mode the default one.

I think we should document some time horizon. We can always push it
back but having a concrete plan in place may motive users. Also it's
useful to point at and say "we warned you". 

Doesn't have to be anything very imminent, time flies.

  reply	other threads:[~2023-02-14 20:41 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-10 22:18 [pull request][net-next 00/15] mlx5 updates 2023-02-10 Saeed Mahameed
2023-02-10 22:18 ` [net-next 01/15] net/mlx5: Lag, Let user configure multiport eswitch Saeed Mahameed
2023-02-11  4:03   ` Jakub Kicinski
2023-02-13 11:32     ` Jiri Pirko
2023-02-13 19:00     ` Mark Bloch
2023-02-14  2:02       ` Jakub Kicinski
2023-02-14  7:31         ` Mark Bloch
2023-02-14 20:40           ` Jakub Kicinski [this message]
2023-02-14 21:50             ` Saeed Mahameed
2023-02-14 13:38         ` Jiri Pirko
2023-02-14 17:07   ` Alexander Lobakin
2023-02-14 21:49     ` Saeed Mahameed
2023-02-15 11:46     ` Leon Romanovsky
2023-02-15 17:04       ` Alexander Lobakin
2023-02-15 19:41         ` Saeed Mahameed
2023-02-10 22:18 ` [net-next 02/15] net/mlx5e: TC, Add peer flow in mpesw mode Saeed Mahameed
2023-02-10 22:18 ` [net-next 03/15] net/mlx5: E-Switch, rename bond update function to be reused Saeed Mahameed
2023-02-10 22:18 ` [net-next 04/15] net/mlx5: Lag, set different uplink vport metadata in multiport eswitch mode Saeed Mahameed
2023-02-10 22:18 ` [net-next 05/15] net/mlx5: Lag, Add single RDMA device in multiport mode Saeed Mahameed
2023-02-10 22:18 ` [net-next 06/15] net/mlx5e: Use a simpler comparison for uplink rep Saeed Mahameed
2023-02-10 22:18 ` [net-next 07/15] net/mlx5e: TC, Remove redundant parse_attr argument Saeed Mahameed
2023-02-10 22:18 ` [net-next 08/15] net/mlx5: Remove outdated comment Saeed Mahameed
2023-02-10 22:18 ` [net-next 09/15] net/mlx5e: Pass mdev to mlx5e_devlink_port_register() Saeed Mahameed
2023-02-10 22:18 ` [net-next 10/15] net/mlx5e: Replace usage of mlx5e_devlink_get_dl_port() by netdev->devlink_port Saeed Mahameed
2023-02-10 22:18 ` [net-next 11/15] net/mlx5e: Move dl_port to struct mlx5e_dev Saeed Mahameed
2023-02-10 22:18 ` [net-next 12/15] net/mlx5e: Move devlink port registration to be done before netdev alloc Saeed Mahameed
2023-02-10 22:18 ` [net-next 13/15] net/mlx5e: Create auxdev devlink instance in the same ns as parent devlink Saeed Mahameed
2023-02-10 22:18 ` [net-next 14/15] net/mlx5: Remove "recovery" arg from mlx5_load_one() function Saeed Mahameed
2023-02-10 22:18 ` [net-next 15/15] net/mlx5: Suspend auxiliary devices only in case of PCI device suspend Saeed Mahameed

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