linux-kernel - Re: [PATCH net-next v4 6/7] net: devmem: pre-read requested rx queues during bind

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Message-ID: <CAHS8izNRcVcAfBBaDwZvPYrs4cK2NYqyXOq5+6sbsbSfpgc7Xw@mail.gmail.com>
Date: Wed, 20 Aug 2025 15:51:29 -0700
From: Mina Almasry <almasrymina@...gle.com>
To: Dragos Tatulea <dtatulea@...dia.com>
Cc: asml.silence@...il.com, "David S. Miller" <davem@...emloft.net>, 
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Simon Horman <horms@...nel.org>, cratiu@...dia.com, parav@...dia.com, 
	netdev@...r.kernel.org, sdf@...a.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v4 6/7] net: devmem: pre-read requested rx queues
 during bind

On Wed, Aug 20, 2025 at 10:14 AM Dragos Tatulea <dtatulea@...dia.com> wrote:
>
> Instead of reading the requested rx queues after binding the buffer,
> read the rx queues in advance in a bitmap and iterate over them when
> needed.
>
> This is a preparation for fetching the DMA device for each queue.
>
> This patch has no functional changes besides adding an extra
> rq index bounds check.
>
> Signed-off-by: Dragos Tatulea <dtatulea@...dia.com>

Reviewed-by: Mina Almasry <almasrymina@...gle.com>

-- 
Thanks,
Mina