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Date: Wed, 26 Feb 2025 19:43:10 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>, "David S. Miller"
 <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Paolo Abeni
 <pabeni@redhat.com>, Felix Fietkau <nbd@nbd.name>, Sean Wang
 <sean.wang@mediatek.com>, Matthias Brugger <matthias.bgg@gmail.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
 Philipp Zabel <p.zabel@pengutronix.de>, Rob Herring <robh@kernel.org>,
 Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley
 <conor+dt@kernel.org>, "Chester A. Unal" <chester.a.unal@arinc9.com>,
 Daniel Golle <daniel@makrotopia.org>, DENG Qingfang <dqfext@gmail.com>,
 Andrew Lunn <andrew@lunn.ch>, Vladimir Oltean <olteanv@gmail.com>,
 netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
 linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org,
 upstream@airoha.com, Sayantan Nandy <sayantan.nandy@airoha.com>
Subject: Re: [PATCH net-next v7 13/15] net: airoha: Introduce flowtable
 offload support
Message-ID: <20250226194310.03398da0@kernel.org>
In-Reply-To: <20250224-airoha-en7581-flowtable-offload-v7-13-b4a22ad8364e@kernel.org>
References: <20250224-airoha-en7581-flowtable-offload-v7-0-b4a22ad8364e@kernel.org>
	<20250224-airoha-en7581-flowtable-offload-v7-13-b4a22ad8364e@kernel.org>
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On Mon, 24 Feb 2025 12:25:33 +0100 Lorenzo Bianconi wrote:
> +	foe_size = PPE_NUM_ENTRIES * sizeof(struct airoha_foe_entry);
> +	ppe->foe = dmam_alloc_coherent(eth->dev, foe_size, &ppe->foe_dma,
> +				       GFP_KERNEL | __GFP_ZERO);

dmam_alloc_coherent() always zeros the memory, the GFP_ZERO is not necessary