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From "Wei Zhou (JIRA)" <>
Subject [jira] [Closed] (CLOUDSTACK-4678) Add cpu model for kvm guest
Date Mon, 16 Sep 2013 07:48:55 GMT


Wei Zhou closed CLOUDSTACK-4678.

    Resolution: Fixed
> Add cpu model for kvm guest
> ---------------------------
>                 Key: CLOUDSTACK-4678
>                 URL:
>             Project: CloudStack
>          Issue Type: Improvement
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.2.0
>            Reporter: Wei Zhou
>             Fix For: 4.2.0
> Add cpu model for kvm guest.
> Now all the kvm guest's cpu model is 'QEMU Virtual CPU version xxx'. This will affect
the activation of Windows OS and low performance. 
> I add three mode for user to indicate the guest cpu model.
> For the most part it will be sufficient for the host administrator to specify the guest
CPU config in the per-host configuration file (/etc/cloudstack/agent/ This
will be achieved by introducing two new configuration parameters: 
> guest.cpu.mode=custom|host-model|host-passthrough
> guest.cpu.model=from /usr/share/libvirt/cpu_map.xml(only valid when guest.cpu.mode=custom)
> This ticket is created for two existing commits:
> Add cpu model for kvm guest
> add doc for kvm cpu model

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