From: Jason Xing <kerneljasonxing@gmail.com>
To: anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com,
andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, bjorn@kernel.org,
magnus.karlsson@intel.com, maciej.fijalkowski@intel.com,
jonathan.lemon@gmail.com, sdf@fomichev.me, ast@kernel.org,
daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com,
mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com
Cc: linux-stm32@st-md-mailman.stormreply.com, bpf@vger.kernel.org,
intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
Jason Xing <kernelxing@tencent.com>
Subject: Re: [PATCH net v2 0/2] xsk: fix underflow issues in zerocopy xmit
Date: Wed, 23 Jul 2025 07:07:27 +0800 [thread overview]
Message-ID: <CAL+tcoAnB+8ZLPyWQ3XsvWTa=JO1yCKWvrKVp+2WCP=kGpfSPg@mail.gmail.com> (raw)
In-Reply-To: <20250722135057.85386-1-kerneljasonxing@gmail.com>
On Tue, Jul 22, 2025 at 9:51 PM Jason Xing <kerneljasonxing@gmail.com> wrote:
>
> From: Jason Xing <kernelxing@tencent.com>
>
> Fix two underflow issues around {stmmac_xdp|igb}_xmit_zc().
>
> Jason Xing (2):
> stmmac: xsk: fix underflow of budget in zerocopy mode
> igb: xsk: solve underflow of nb_pkts in zerocopy mode
Willem has pointed out it's technically not underflow but the negative
overflow[1]. So I decided to send a V3 patch with this modified.
[1]: https://lore.kernel.org/all/687f9d4cf0b14_2aa7cc29443@willemb.c.googlers.com.notmuch/
Thanks,
Jason
prev parent reply other threads:[~2025-07-22 23:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-22 13:50 [PATCH net v2 0/2] xsk: fix underflow issues in zerocopy xmit Jason Xing
2025-07-22 13:50 ` [PATCH net v2 1/2] stmmac: xsk: fix underflow of budget in zerocopy mode Jason Xing
2025-07-22 15:03 ` [Intel-wired-lan] " Loktionov, Aleksandr
2025-07-23 4:09 ` kernel test robot
2025-07-23 4:16 ` Jason Xing
2025-07-23 6:43 ` kernel test robot
2025-07-22 13:50 ` [PATCH net v2 2/2] igb: xsk: solve underflow of nb_pkts " Jason Xing
2025-07-22 15:03 ` [Intel-wired-lan] " Loktionov, Aleksandr
2025-07-22 23:07 ` Jason Xing [this message]
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