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Friday, August 26 • 11:00 - 11:30
CPUID handling for guests - Andrew Cooper, Citrix

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Migration of virtual machines without guest downtime is a key feature for hypervisors. Sadly, not all hardware is the same, and keeping guests running in a heterogeneous environment takes a lot of care. Normally, features are advertised via the CPUID instruction, but life is never as simple as we would like. Andrew will discuss what information needs to be controlled, what information can and can't be controlled, and how it applies to Xen guests.


Andrew Cooper

Senior Software Engineer, Citrix XenServer
I am a hypervisor/kernel developer for Citrix XenServer, and upstream x86 maintainer in the Xen project.

Friday August 26, 2016 11:00 - 11:30
Pier 4

Attendees (13)