netdev - Re: [PATCH net-next v3 3/5] page_pool: Set `dma_sync` to false for devmem memory provider

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Message-ID: <20241210194411.5c0a98ad@kernel.org>
Date: Tue, 10 Dec 2024 19:44:11 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Mina Almasry <almasrymina@...gle.com>
Cc: netdev@...r.kernel.org, Pavel Begunkov <asml.silence@...il.com>, Kaiyuan
 Zhang <kaiyuanz@...gle.com>, Willem de Bruijn <willemb@...gle.com>,
 Samiullah Khawaja <skhawaja@...gle.com>, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon
 Horman <horms@...nel.org>, Jonathan Corbet <corbet@....net>, Jesper
 Dangaard Brouer <hawk@...nel.org>, Ilias Apalodimas
 <ilias.apalodimas@...aro.org>
Subject: Re: [PATCH net-next v3 3/5] page_pool: Set `dma_sync` to false for
 devmem memory provider

On Mon,  9 Dec 2024 17:23:06 +0000 Mina Almasry wrote:
> +	/* dma-buf dma addresses should not be used with

Sounds a bit scary, maybe let's say:
                                 vvvvvvvvvvvvvvv
	/* dma-buf DMA addresses do not need and should not be used with

? up to you.