linux-kernel - Re: [PATCH v1 0/4] GPU Direct RDMA (P2P DMA) for Device Private Pages

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Message-ID: <Zw8_x0Tvux9IMbly@infradead.org>
Date: Tue, 15 Oct 2024 21:23:35 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Yonatan Maman <ymaman@...dia.com>
Cc: nouveau@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	linux-rdma@...r.kernel.org, linux-mm@...ck.org, herbst@...hat.com,
	lyude@...hat.com, dakr@...hat.com, airlied@...il.com,
	simona@...ll.ch, jgg@...pe.ca, leon@...nel.org, jglisse@...hat.com,
	akpm@...ux-foundation.org, dri-devel@...ts.freedesktop.org,
	apopple@...dia.com, bskeggs@...dia.com
Subject: Re: [PATCH v1 0/4] GPU Direct RDMA (P2P DMA) for Device Private Pages

On Tue, Oct 15, 2024 at 06:23:44PM +0300, Yonatan Maman wrote:
> From: Yonatan Maman <Ymaman@...dia.com>
> 
> This patch series aims to enable Peer-to-Peer (P2P) DMA access in
> GPU-centric applications that utilize RDMA and private device pages. This
> enhancement is crucial for minimizing data transfer overhead by allowing
> the GPU to directly expose device private page data to devices such as
> NICs, eliminating the need to traverse system RAM, which is the native
> method for exposing device private page data.

Please tone down your marketing language and explain your factual
changes.  If you make performance claims back them by numbers.