From: Thomas Monjalon <thomas@monjalon.net>
To: Gregory Etelson <getelson@nvidia.com>
Cc: dev@dpdk.org, mkashani@nvidia.com, rasland@nvidia.com,
stable@dpdk.org, Dariusz Sosnowski <dsosnowski@nvidia.com>,
Viacheslav Ovsiienko <viacheslavo@nvidia.com>,
Bing Zhao <bingz@nvidia.com>, Ori Kam <orika@nvidia.com>,
Suanming Mou <suanmingm@nvidia.com>,
Matan Azrad <matan@nvidia.com>
Subject: Re: [PATCH] net/mlx5: fix access to auxiliary flow data
Date: Thu, 26 Jun 2025 14:52:21 +0200 [thread overview]
Message-ID: <5708550.MVdQ21Qd56@thomas> (raw)
In-Reply-To: <20250625094339.344416-1-getelson@nvidia.com>
25/06/2025 11:43, Gregory Etelson:
> The MLX5 PMD keeps non-essential flow data in an auxiliary structure
> to reduce flow L1 cache usage.
>
> The auxiliary data location differs in HWS and non-template flows.
>
> The PMD tried to fetch HWS flow table from a non-template flow object
> and accessed stale memory address.
>
> The patch separates the `mlx5_flow_hw_aux()` implementation for HWS
> and non-template flows
>
> Fixes: 27d171b88031 ("net/mlx5: abstract flow action and enable reconfigure")
> Cc: stable@dpdk.org
>
> Signed-off-by: Gregory Etelson <getelson@nvidia.com>
> Acked-by: Dariusz Sosnowski <dsosnowski@nvidia.com>
Applied with commit log reworded to mention "async template" Vs "sync non-template", thanks.
prev parent reply other threads:[~2025-06-26 12:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-25 9:43 Gregory Etelson
2025-06-26 12:52 ` Thomas Monjalon [this message]
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