Explicitly select PV vs HVM mode

Registered by Johannes Erdfelt

Currently for Xen, there is a complex process of deciding if an instance should be run in PV or HVM mode. In practice, setting the os_type to 'windows' is commonly used, even if the OS being run is not Windows.

Blueprint information

Status:
Complete
Approver:
None
Priority:
Undefined
Drafter:
Johannes Erdfelt
Direction:
Needs approval
Assignee:
None
Definition:
New
Series goal:
Accepted for diablo
Implementation:
Implemented
Milestone target:
None
Started by
Vish Ishaya
Completed by
Vish Ishaya

Sprints

Whiteboard

I propose adding a vm_mode property to images that selects PV or HVM mode. As a transition, if the property does not exist, then the existing behavior is used to determine what mode should be used.

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Work Items

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