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Date: Sat, 13 Jun 2026 17:02:32 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Dragos Tatulea <dtatulea@nvidia.com>
Cc: Pavel Begunkov <asml.silence@gmail.com>, Donald Hunter
 <donald.hunter@gmail.com>, "David S. Miller" <davem@davemloft.net>, Eric
 Dumazet <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>, Simon
 Horman <horms@kernel.org>, Andrew Lunn <andrew+netdev@lunn.ch>, Jens Axboe
 <axboe@kernel.dk>, Yael Chemla <ychemla@nvidia.com>, Tariq Toukan
 <tariqt@nvidia.com>, netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
 io-uring@vger.kernel.org
Subject: Re: [PATCH net-next v2 1/2] netdev: expose io_uring rx_page_order
 order via netlink
Message-ID: <20260613170232.6f9e72ba@kernel.org>
In-Reply-To: <b581d253-135b-4c75-a50d-2049c6d6e249@nvidia.com>
References: <20260612211709.1456966-2-dtatulea@nvidia.com>
	<20260612211709.1456966-3-dtatulea@nvidia.com>
	<d0401fab-61c5-43e7-93ae-d4757433eb7a@gmail.com>
	<b581d253-135b-4c75-a50d-2049c6d6e249@nvidia.com>
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On Sat, 13 Jun 2026 16:09:03 +0200 Dragos Tatulea wrote:
> On 13.06.26 11:53, Pavel Begunkov wrote:
> > On 6/12/26 22:17, Dragos Tatulea wrote:  
> >> This adds observability for the io_uring zcrx rx-buf-len configuration.  
> > 
> > It might be nicer to look it up in the queue, e.g. rxq->mp_params,
> > and make it a queue attribute instead of zcrx specific one. In either
> > case, no objections.
>   
> In io_pp_nl_fill() or in page_pool_nl_fill() as it was done in v1 for order?

It's fine. We decided to make the "page size" a memory provider
property, now we're going back to making it a queue level param? 
Like my RFC had that everyone hated so much? Sigh.