1.2 Xen Improvements

Block Frontend and Backend

  • Support for 'indirect-descriptors' allowing more throughput and lower latency.

  • Fixes from kernel versions 3.8 to 3.11.

Network Frontend and Backend

  • Support for IPv6 TCP GSO (Generic Segmentation Offload).

  • Switch to using NAPI + kthread 1:1 model to provide better scalability and performance.

  • Split of Tx (transmit) and Rx (receive) events.

  • Fixes from kernel versions 3.8 to 3.11.

VCPU Hotplug

  • Fixes from kernel versions 3.8 to 3.11.