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From: Jakub Kicinski <kuba@kernel.org>
To: Marc Zyngier <maz@kernel.org>
Cc: netdev@vger.kernel.org, kernel-team@android.com,
	linux-kernel@vger.kernel.org,
	Matteo Croce <mcroce@linux.microsoft.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>
Subject: Re: [PATCH net] stmmac: Revert "stmmac: align RX buffers"
Date: Fri, 20 Aug 2021 14:46:10 -0700	[thread overview]
Message-ID: <20210820144610.7576c36a@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <20210820183002.457226-1-maz@kernel.org>

On Fri, 20 Aug 2021 19:30:02 +0100 Marc Zyngier wrote:
> This reverts commit a955318fe67e ("stmmac: align RX buffers"),
> which breaks at least one platform (Nvidia Jetson-X1), causing
> packet corruption. This is 100% reproducible, and reverting
> the patch results in a working system again.
> 
> Given that it is "only" a performance optimisation, let's
> return to a known working configuration until we can have a
> good understanding of what is happening here.

Seems reasonable. Hopefully it wont discourage Matteo from revisiting
the optimization. Applied, thanks!

  reply	other threads:[~2021-08-20 21:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-20 18:30 Marc Zyngier
2021-08-20 21:46 ` Jakub Kicinski [this message]
2021-08-21  9:50   ` Marc Zyngier

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