On the Performance of Arm Virtualization
Thursday, June 16, 2016 While PCIe passthrough (the process of assigning a PCIe device to a VM, also known as device assignment) is supported through a mostly architecture-agnostic subsystem called VFIO, there are intricate details of an Arm-based system that require special support for Message Signaled Interrupts (MSIs) in the context of VFIO passthrough on Arm server systems.