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From: Kurt Kanzenbach <kurt@linutronix.de>
To: Carlos Fangmeier <carlos.fangmeier@gmail.com>,
	Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] net: stmmac: prevent kernel panic during XDP program and XSK pool transitions
Date: Fri, 16 Oct 2026 14:20:48 +0200	[thread overview]
Message-ID: <87bj8tn8f3.fsf@jax.kurt.home> (raw)
In-Reply-To: <20261014222628.3206770-1-carlos.fangmeier@gmail.com>

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Hey Carlos,

On Wed Oct 14 2026, Carlos Fangmeier wrote:
> On Tue, Jun 10 2026, Jakub Kicinski wrote:
>> This still looks racy. Please look at other drivers
>
> You were right. The intel drivers (ixgbe/i40e) disable the queue pair
> as a unit around the pool swap rather than gating TX piecemeal, which
> is the pattern my patch was missing.
>
> Kurt Kanzenbach's series "net: stmmac: Fix XSK crashes on stm32mp2"
> [1] takes that approach for the XSK pool enable/disable path and is
> further along in review, so I'll drop this patch in favour of it.
>
> [1] https://lore.kernel.org/netdev/20261013-stmmac_xsk_crashes-v3-0-50fca7790af2@linutronix.de/
>

Well, looking at the Sashiko reports, it needs some work though. I'll
put you on Cc for the next iteration.

Thanks,
Kurt

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      reply	other threads:[~2026-10-16 12:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-05  7:56 [PATCH] net: stmmac: prevent kernel panic during XDP program and XSK pool transitions Carlos Fangmeier
2026-06-10  0:38 ` Jakub Kicinski
2026-10-14 22:26 ` Carlos Fangmeier
2026-10-16 12:20   ` Kurt Kanzenbach [this message]

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