From: Simon Horman <horms@kernel•org>
To: Jiri Pirko <jiri@resnulli•us>
Cc: netdev@vger•kernel.org, davem@davemloft•net, edumazet@google•com,
kuba@kernel•org, pabeni@redhat•com, andrew+netdev@lunn•ch,
saeedm@nvidia•com, leon@kernel•org, tariqt@nvidia•com,
mbloch@nvidia•com, admiyo@amperemail•onmicrosoft.com,
ben.copeland@linaro•org
Subject: Re: [PATCH net-next] mlx5: shd: Gracefully avoid shared devlink creation when no usable SN is found
Date: Fri, 27 Mar 2026 10:42:26 +0000 [thread overview]
Message-ID: <20260327104226.GA567789@horms.kernel.org> (raw)
In-Reply-To: <20260325152801.236343-1-jiri@resnulli.us>
On Wed, Mar 25, 2026 at 04:28:01PM +0100, Jiri Pirko wrote:
> From: Jiri Pirko <jiri@nvidia•com>
>
> On some HW, not even fall-back "SERIALNO" is found in VPD data. Unify
> the behavior with the case there are no VPD data at all and avoid
> creation of shared devlink instance.
>
> Fixes: 2a8c8a03f306 ("net/mlx5: Add a shared devlink instance for PFs on same chip")
> Reported-by: Adam Young <admiyo@amperemail•onmicrosoft.com>
> Closes: https://lore.kernel.org/all/bab5b6bc-aa42-4af1-80d1-e56bcef06bc2@amperemail.onmicrosoft.com/
> Reported-by: Ben Copeland <ben.copeland@linaro•org>
> Closes: https://lore.kernel.org/all/20260324151014.860376-1-ben.copeland@linaro.org/
> Signed-off-by: Jiri Pirko <jiri@nvidia•com>
Reviewed-by: Simon Horman <horms@kernel•org>
next prev parent reply other threads:[~2026-03-27 10:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-25 15:28 [PATCH net-next] mlx5: shd: Gracefully avoid shared devlink creation when no usable SN is found Jiri Pirko
2026-03-27 8:56 ` Ben Copeland
2026-03-27 10:42 ` Simon Horman [this message]
2026-03-28 4:00 ` patchwork-bot+netdevbpf
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