Tag
virtio
- Feb 1, 2026 The Virtio Split Ring: Descriptor Chaining and the Two Suppression Flags The byte layout of the descriptor table, available ring, and used ring, how descriptors chain through guest memory, and how the event-index mechanism replaces the older no-notify flags. virtualization
- Apr 24, 2025 Serializing Device State Across a Migration Emulated devices carry configuration registers, queue indices, and pending interrupts that must be reconstructed exactly on the destination. The format is versioned, and the failure mode is a guest that resumes with a device it does not recognise. virtualization
- Apr 9, 2022 The Virtio Split Ring: Descriptor Tables, Available Rings, and the Notification Suppression How a guest and a hypervisor exchange buffers without a trap per request, what the three-ring layout enforces, and why the notification flags matter more than the data path. virtualization