[PATCH v2 4/5] RDMA/mlx5: Enable P2P DMA with fallback mechanism

[Christoph Hellwig]

On Fri, Jul 18, 2025 at 02:51:11PM +0300, Yonatan Maman wrote:
> From: Yonatan Maman <Ymaman at Nvidia.com>
> 
> Add support for P2P for MLX5 NIC devices with automatic fallback to
> standard DMA when P2P mapping fails.

That's now how the P2P API works.  You need to check the P2P availability
higher up.