From: sashiko-bot@kernel.org
To: "Alexandre Cassen" <acassen@corp.free.fr>
Cc: linux-rdma@vger.kernel.org
Subject: Re: [PATCH net v2 1/2] net/mlx5: HWS, fix modify header pattern compare on big-endian
Date: Mon, 12 Oct 2026 10:32:20 +0000 [thread overview]
Message-ID: <sashiko-outbox-167959@kernel.org> (raw)
In-Reply-To: <20261012101937.1335231-2-acassen@corp.free.fr>
> mlx5hws_pat_compare_pattern() casts each __be64 action to __be32 to
> compare only its control dword. On big-endian this keeps the data dword
> instead, which HWS clears from the pattern of set and add actions. Two
> such actions writing the same value into different fields then share a
> pattern and the second rule modifies the wrong field.
>
> Read the first dword of each action from memory instead. Little-endian
> behavior is unchanged.
>
> Discovered by an AI code review agent [1] and confirmed by code
> inspection. Not reproduced for lack of big-endian hardware running HWS.
>
> Fixes: aefc15a0fa1c ("net/mlx5: HWS, added modify header pattern and args handling")
> Link: https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20261010120147.135825-1-acassen%40corp.free.fr [1]
> Signed-off-by: Alexandre Cassen <acassen@corp.free.fr>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261012101937.1335231-1-acassen@corp.free.fr?part=1
next prev parent reply other threads:[~2026-10-12 10:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-12 10:19 [PATCH net v2 0/2] net/mlx5: HWS, fix modify header pattern compare Alexandre Cassen
2026-10-12 10:19 ` [PATCH net v2 1/2] net/mlx5: HWS, fix modify header pattern compare on big-endian Alexandre Cassen
2026-10-12 10:32 ` sashiko-bot [this message]
2026-10-12 10:19 ` [PATCH net v2 2/2] net/mlx5: HWS, fix modify header pool match for copy actions Alexandre Cassen
2026-10-12 10:32 ` sashiko-bot
2026-10-12 10:24 ` [PATCH net v2 0/2] net/mlx5: HWS, fix modify header pattern compare netdev-bot+sinfo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=sashiko-outbox-167959@kernel.org \
--to=sashiko-bot@kernel.org \
--cc=acassen@corp.free.fr \
--cc=linux-rdma@vger.kernel.org \
--cc=sashiko-reviews@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox