linux-kernel - Re: [RFC net-next v3 2/7] io_uring/zcrx: add support for custom DMA devices

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Message-ID: <7dd538ed-d767-4c9d-906f-93b9e5341ea6@gmail.com>
Date: Tue, 19 Aug 2025 17:04:44 +0100
From: Pavel Begunkov <asml.silence@...il.com>
To: Dragos Tatulea <dtatulea@...dia.com>, almasrymina@...gle.com,
 Jens Axboe <axboe@...nel.dk>
Cc: cratiu@...dia.com, tariqt@...dia.com, parav@...dia.com,
 Christoph Hellwig <hch@...radead.org>, io-uring@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [RFC net-next v3 2/7] io_uring/zcrx: add support for custom DMA
 devices

On 8/15/25 12:03, Dragos Tatulea wrote:
> Use the new API for getting a DMA device for a specific netdev queue.
> 
> This patch will allow io_uring zero-copy rx to work with devices
> where the DMA device is not stored in the parent device. mlx5 SFs
> are an example of such a device.

Reviewed-by: Pavel Begunkov <asml.silence@...il.com>

It'll likely be fine for it to go to the net tree.

-- 
Pavel Begunkov