Re: [PATCH v5 8/9] vfio/pci: Enable peer-to-peer DMA transactions by default

Christoph Hellwig
2025-10-17T06:33:02Z

On Mon, Oct 13, 2025 at 06:26:10PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@nvidia.com>
>
> Make sure that all VFIO PCI devices have peer-to-peer capabilities
> enables, so we would be able to export their MMIO memory through DMABUF,

How do you know that they are safe to use with P2P?