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NVIDIA Posts Linux Patches For GPU Direct RDMA For Device Private Pages
Building off the existing Linux support for GPU Direct RDMA / Peer-To-Peer DMA functionality, a set of patches were posted by NVIDIA today enabling this P2P DMA support to also work for device-private pages.
The patches posted this afternoon are focused on providing GPU Direct RDMA (P2P DMA) for device private memory pages. Besides the infrastructure changes to the Linux memory management code and Heterogeneous Memory Management (HMM), the patch series also adds code to the NVIDIA Mellanox MLX5 driver for optimizing PCIe peer-to-peer private device pages and then also to the Nouveau driver for P2P DMA support. About The AuthorMichael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience.
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