From: Jakub Kicinski <kuba@kernel.org>
To: netdev-bot+sashiko@kernel.org
Cc: theo.lebrun@bootlin.com, conor.dooley@microchip.com,
andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
pabeni@redhat.com, horms@kernel.org, nicolas.ferre@microchip.com,
sean.anderson@linux.dev, atenart@kernel.org,
linux@armlinux.org.uk, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, nb@tipi-net.de,
vladimir.kondratiev@mobileye.com, gregory.clement@bootlin.com,
tawfik.bayouk@mobileye.com, thomas.petazzoni@bootlin.com,
maxime.chevallier@bootlin.com, stable@vger.kernel.org
Subject: Re: [PATCH net 1/3] net: macb: never give hardware a NULL RX buffer
Date: Wed, 23 Sep 2026 18:47:56 -0700 [thread overview]
Message-ID: <20260923184756.16ce33a7@kernel.org> (raw)
In-Reply-To: <179010942002.2160803.8691011751847108495@kernel.org>
On Tue, 22 Sep 2026 20:37:00 +0000 netdev-bot+sashiko@kernel.org wrote:
> - [High] gem_init_rx_ring()
> (drivers/net/ethernet/cadence/macb_main.c:2793) now sets…
> - [High] gem_init_rx_ring() now publishes MACB_BIT(RX_USED) on every RX
> descriptor of a queue, resets queue->rx_tail/rx_prepared_head and then…
If the AI interprets the rx poll side correctly these seem like a major
flaw in setting the USED bit :(
next prev parent reply other threads:[~2026-09-24 1:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-18 20:35 [PATCH net 0/3] net: macb: fix close races (and RX refill error handling) Théo Lebrun
2026-09-18 20:35 ` [PATCH net 1/3] net: macb: never give hardware a NULL RX buffer Théo Lebrun
2026-09-22 20:37 ` netdev-bot+sashiko
2026-09-24 1:47 ` Jakub Kicinski [this message]
2026-09-24 15:13 ` Théo Lebrun
2026-09-24 15:41 ` Jakub Kicinski
2026-09-24 16:30 ` Théo Lebrun
2026-09-24 15:11 ` Théo Lebrun
2026-09-18 20:35 ` [PATCH net 2/3] net: macb: propagate RX ring refill errors Théo Lebrun
2026-09-22 20:37 ` netdev-bot+sashiko
2026-09-24 15:23 ` Théo Lebrun
2026-09-18 20:35 ` [PATCH net 3/3] net: macb: quiesce IRQs and drain BH on interface close Théo Lebrun
2026-09-22 20:37 ` netdev-bot+sashiko
2026-09-24 16:02 ` Théo Lebrun
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