From: Jakub Kicinski <kuba@kernel.org>
To: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Cc: Andrew Lunn <andrew@lunn.ch>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
linux-arm-kernel@lists.infradead.org,
linux-stm32@st-md-mailman.stormreply.com, netdev@vger.kernel.org,
Paolo Abeni <pabeni@redhat.com>, Sam Edwards <cfsworks@gmail.com>
Subject: Re: [PATCH net-next] net: stmmac: enable RPS and RBU interrupts
Date: Mon, 13 Apr 2026 11:02:22 -0700 [thread overview]
Message-ID: <20260413110222.49fc3759@kernel.org> (raw)
In-Reply-To: <E1wBBaR-0000000GZHR-1dbM@rmk-PC.armlinux.org.uk>
On Fri, 10 Apr 2026 14:07:51 +0100 Russell King (Oracle) wrote:
> Since we are seeing receive buffer exhaustion on several platforms,
> let's enable the interrupts so the statistics we publish via ethtool -S
> actually work to aid diagnosis. I've been in two minds about whether
> to send this patch, but given the problems with stmmac at the moment,
> I think it should be merged.
Sorry for a under-research response but wasn't there are person trying
to fix the OOM starvation issue? Who was supposed to add a timer?
Is your problem also OOM related or do you suspect something else?
Firing interrupts when Rx fill ring runs dry (which IIUC this patches
dies?) is not a good idea.
next prev parent reply other threads:[~2026-04-13 18:02 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-10 13:07 [PATCH net-next] net: stmmac: enable RPS and RBU interrupts Russell King (Oracle)
2026-04-12 14:01 ` Maxime Chevallier
2026-04-12 14:23 ` Russell King (Oracle)
2026-04-13 1:42 ` Sam Edwards
2026-04-13 7:24 ` Russell King (Oracle)
2026-04-13 7:28 ` Russell King (Oracle)
2026-04-13 18:02 ` Jakub Kicinski [this message]
2026-04-13 18:49 ` Russell King (Oracle)
2026-04-13 20:50 ` Jakub Kicinski
2026-04-13 20:53 ` Russell King (Oracle)
2026-04-13 21:54 ` Sam Edwards
2026-04-14 14:13 ` Russell King (Oracle)
2026-04-15 1:19 ` Russell King (Oracle)
2026-04-15 2:12 ` Sam Edwards
2026-04-15 12:43 ` Russell King (Oracle)
2026-04-15 17:38 ` Sam Edwards
2026-04-15 19:37 ` Russell King (Oracle)
2026-04-15 20:50 ` Sam Edwards
2026-04-16 0:02 ` Russell King (Oracle)
2026-04-13 22:00 ` patchwork-bot+netdevbpf
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