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Message-ID: <fg7ib32lqeeuzef4eoskdnwrufwpdm6cdm2bdjlro7e3gtmp4u@mrni2hltc32o>
Date: Tue, 28 May 2024 15:20:08 +0300
From: Serge Semin <fancer.lancer@...il.com>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
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>, bpf@...r.kernel.org,
netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC net-next 1/3] net: stmmac: Prevent RGSMIIIS IRQs flood
On Tue, May 28, 2024 at 11:24:30AM +0100, Russell King (Oracle) wrote:
> On Sat, May 25, 2024 at 12:02:57AM +0300, Serge Semin wrote:
> > Without reading the GMAC_RGSMIIIS/MAC_PHYIF_Control_Status the IRQ line
> > won't be de-asserted causing interrupt handler executed over and over. As
> > a quick-fix let's just dummy-read the CSR for now.
> >
> > Signed-off-by: Serge Semin <fancer.lancer@...il.com>
>
> I think it would make sense to merge these into the patches that do the
> conversion to avoid a git bisect hitting on a patch that causes an
> interrupt storm. Any objection?
Of course, no objection. This patch content was intended to be merged
into yours.
-Serge(y)
>
> (I'm now converting these two in separate patches, so would need to
> split this patch...)
>
> Thanks.
>
> --
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
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