[CLOUDSTACK-8424] KVM: allow a way to add CPU flags/features specific to a host

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.5.1, 4.6.0
• Security Level: Public (Anyone can view this level - this is the default.)
• Assignee: Rohit Yadav
• Reporter: Rohit Yadav
• Created: 28/Apr/15 11:13
• Updated: 30/Apr/15 02:13
• Resolved: 28/Apr/15 11:21

Description

Right now, if we want to enable CPU features such as "vmx" on KVM guest vms, there is no way to do that. The improvement is to add a flag in agent.properties per host that is specific for a host using the property "guest.cpu.features=vmx vme" where features are space separated. This will lead to adding <feature policy='require' name='vmx'/> in the <cpu> section of the created XML. This can be useful to start guest VMs that need vmx, the primary purpose is to provision nested virtualized kvm hosts on a kvm host to test CloudStack