1.2 Xen Improvements

Relative to Unbreakable Enterprise Kernel Release 2 Quarterly Update 4, numerous bug fixes and performance improvements have been incorporated into the Unbreakable Enterprise Kernel to support Xen usage, including:

  • Fixes for EDD, x2apic, XenBus, and PVHVM vCPU hotplug issues.

  • The indirect-descriptor feature, which increases throughput and reduces latency for block I/O.