netdev - Re: [PATCH net] net: stmmac: Complete meta data only when enabled

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Message-ID: <87v86c7qyv.fsf@kurt.kurt.home>
Date: Sun, 25 Feb 2024 11:55:52 +0100
From: Kurt Kanzenbach <kurt@...utronix.de>
To: Maciej Fijalkowski <maciej.fijalkowski@...el.com>, Stanislav Fomichev
 <sdf@...gle.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu
 <joabreu@...opsys.com>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub
 Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Maxime
 Coquelin <mcoquelin.stm32@...il.com>, Alexei Starovoitov <ast@...nel.org>,
 Daniel
 Borkmann <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>,
 John Fastabend <john.fastabend@...il.com>, Song Yoong Siang
 <yoong.siang.song@...el.com>, Serge Semin <fancer.lancer@...il.com>,
 Sebastian Andrzej Siewior <bigeasy@...utronix.de>, netdev@...r.kernel.org,
 linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, bpf@...r.kernel.org
Subject: Re: [PATCH net] net: stmmac: Complete meta data only when enabled

Hello Maciej,

On Fri Feb 23 2024, Maciej Fijalkowski wrote:
> On Thu, Feb 22, 2024 at 11:53:14AM -0800, Stanislav Fomichev wrote:
>> On Thu, Feb 22, 2024 at 1:45 AM Kurt Kanzenbach <kurt@...utronix.de> wrote:
>> >
>> > Currently using XDP/ZC sockets on stmmac results in a kernel crash:
>> >
>> > |[  255.822584] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
>
> would be good to explain where it comes from, no?

Sure, no problem.

Thanks,
Kurt

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