From: sashiko-bot@kernel.org
To: "Josef Bacik" <josef@toxicpanda.com>
Cc: linux-rdma@vger.kernel.org, intel-wired-lan@lists.osuosl.org
Subject: Re: [PATCH net-next v2 08/10] netxen: use pskb_may_pull() to pull excess TX frags into the head
Date: Fri, 09 Oct 2026 21:04:03 +0000 [thread overview]
Message-ID: <sashiko-outbox-166075@kernel.org> (raw)
In-Reply-To: <20261008-b4-pskb-pull-tail-drivers-v2-8-8f2bd9bee138@toxicpanda.com>
> netxen_nic_xmit_frame() pulls the frags that don't fit in a TX
> descriptor into the head with __pskb_pull_tail(). It already checks the
> result. Switch to pskb_may_pull(), which takes the length the head
> should end up with and checks it against the skb, so this driver no
> longer calls __pskb_pull_tail() directly.
>
> __pskb_pull_tail() also releases empty frags, even when there's nothing
> to pull, so if the frags being pulled are all empty it still gets the
> frag count under the limit. pskb_may_pull() returns early in that case,
> so follow it with skb_drop_empty_frags().
>
> Assisted-by: LLM
> Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261008-b4-pskb-pull-tail-drivers-v2-0-8f2bd9bee138@toxicpanda.com?part=8
next prev parent reply other threads:[~2026-10-09 21:04 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-08 21:02 [PATCH net-next v2 00/10] net: stop calling __pskb_pull_tail() from drivers Josef Bacik
2026-10-08 21:02 ` [PATCH net-next v2 01/10] net: skbuff: add skb_drop_empty_frags() Josef Bacik
2026-10-09 21:03 ` sashiko-bot
2026-10-08 21:02 ` [PATCH net-next v2 02/10] net: ftmac100: check for failure when pulling in the RX header Josef Bacik
2026-10-09 21:04 ` sashiko-bot
2026-10-08 21:02 ` [PATCH net-next v2 03/10] net/mlx5e: check for failure when pulling the Ethernet header after XDP Josef Bacik
2026-10-09 21:03 ` sashiko-bot
2026-10-13 10:02 ` Tariq Toukan
2026-10-08 21:02 ` [PATCH net-next v2 04/10] net: niu: check for failure when pulling in the RX header Josef Bacik
2026-10-09 21:03 ` sashiko-bot
2026-10-08 21:02 ` [PATCH net-next v2 05/10] xen/netfront: check for failure when pulling in xennet_fill_frags() Josef Bacik
2026-10-09 21:03 ` sashiko-bot
2026-10-08 21:02 ` [PATCH net-next v2 06/10] e1000: use pskb_may_pull() in the 82544 TSO workaround Josef Bacik
2026-10-09 21:03 ` sashiko-bot
2026-10-08 21:02 ` [PATCH net-next v2 07/10] e1000e: use pskb_may_pull() in the 82571/2/3 " Josef Bacik
2026-10-09 21:04 ` sashiko-bot
2026-10-08 21:02 ` [PATCH net-next v2 08/10] netxen: use pskb_may_pull() to pull excess TX frags into the head Josef Bacik
2026-10-09 21:04 ` sashiko-bot [this message]
2026-10-08 21:02 ` [PATCH net-next v2 09/10] qlcnic: " Josef Bacik
2026-10-09 21:04 ` sashiko-bot
2026-10-08 21:02 ` [PATCH net-next v2 10/10] net: skbuff: don't reset truesize in skb_condense() if the pull fails Josef Bacik
2026-10-09 21:04 ` sashiko-bot
2026-10-08 21:11 ` [PATCH net-next v2 00/10] net: stop calling __pskb_pull_tail() from drivers Jakub Kicinski
2026-10-09 13:43 ` Josef Bacik
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