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Message-ID: <20241004070846.2502e9ea@kernel.org>
Date: Fri, 4 Oct 2024 07:08:46 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Jon Hunter <jonathanh@...dia.com>
Cc: Furong Xu <0x1207@...il.com>, Ong Boon Leong <boon.leong.ong@...el.com>,
 "David S. Miller" <davem@...emloft.net>, Alexandre Torgue
 <alexandre.torgue@...s.st.com>, Jose Abreu <joabreu@...opsys.com>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Maxime
 Coquelin <mcoquelin.stm32@...il.com>, Joao Pinto <jpinto@...opsys.com>,
 netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 rmk+kernel@...linux.org.uk, linux@...linux.org.uk, xfr@...look.com,
 "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
 regressions@...ts.linux.dev, Thierry Reding <treding@...dia.com>
Subject: Re: [PATCH net v2] net: stmmac: set PP_FLAG_DMA_SYNC_DEV only if
 XDP is enabled

On Tue, 1 Oct 2024 11:22:32 +0100 Jon Hunter wrote:
> We have noticed a boot regression in both -next and mainline v6.12-rc1. 
> Bisect is pointing to this commit. Reverting this commit fixes the problem.
> 
> This boot regression is seen on our Tegra234 Jetson AGX Orin platform 
> that uses the drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c driver. 
> We are booting with NFS and although the network interface does come up, 
> we fail to mount the rootfs via NFS.
> 
> So it would appear that we need to set this flag for this device. Any 
> thoughts?

This patch doesn't make sense to me. I'll send a revert shortly.

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