Microsoft Working On AMD GPU Hotplug Support For Linux Driver

Written by Michael Larabel in Radeon on 6 April 2022 at 12:15 PM EDT. 18 Comments
Here is a combination not normally expected... Microsoft engineers have submitted patches for review enabling AMD GPU hot-plugging support with the Radeon "AMDGPU" Linux kernel driver.

Microsoft researchers are working on "GPU disaggregation technology" and this led them to working on AMDGPU hot-plug support for Linux.

Microsoft's Shuotao Xu commented, "We believe the support of hot-plug of GPU devices can open doors for many advanced applications in data center in the next few years, and we would like to have some reviewers on this PR so we can continue further technical discussions around this feature."

In the data center scope this functionality may prove important for Microsoft with Azure for hot adding/removing AMD accelerators to guest virtual machines. Separately in recent times AMD has worked on improving AMD GPU hot device unplugging with their graphics driver with the use-case there being for external GPUs.

They have posted their GPU hot-plug patch on the mailing list and GitHub for review and hopeful upstreaming.
Related News
About The Author
Michael Larabel

Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via

Popular News This Week